/*
 * Copyright 2010 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */

#include "radeon.h"
#include "radeon_asic.h"
#include "r600.h"
#include "evergreend.h"
#include "evergreen_reg_safe.h"
#include "cayman_reg_safe.h"

#ifndef MIN
#define MAX(a, b)                   (((a) > (b)) ? (a) : (b))
#define MIN(a, b)                   (((a) < (b)) ? (a) : (b))
#endif

#define REG_SAFE_BM_SIZE ARRAY_SIZE(evergreen_reg_safe_bm)

struct evergreen_cs_track {
        u32                     group_size;
        u32                     nbanks;
        u32                     npipes;
        u32                     row_size;
        /* value we track */
        u32                     nsamples;               /* unused */
        struct radeon_bo        *cb_color_bo[12];
        u32                     cb_color_bo_offset[12];
        struct radeon_bo        *cb_color_fmask_bo[8];  /* unused */
        struct radeon_bo        *cb_color_cmask_bo[8];  /* unused */
        u32                     cb_color_info[12];
        u32                     cb_color_view[12];
        u32                     cb_color_pitch[12];
        u32                     cb_color_slice[12];
        u32                     cb_color_slice_idx[12];
        u32                     cb_color_attrib[12];
        u32                     cb_color_cmask_slice[8];/* unused */
        u32                     cb_color_fmask_slice[8];/* unused */
        u32                     cb_target_mask;
        u32                     cb_shader_mask; /* unused */
        u32                     vgt_strmout_config;
        u32                     vgt_strmout_buffer_config;
        struct radeon_bo        *vgt_strmout_bo[4];
        u32                     vgt_strmout_bo_offset[4];
        u32                     vgt_strmout_size[4];
        u32                     db_depth_control;
        u32                     db_depth_view;
        u32                     db_depth_slice;
        u32                     db_depth_size;
        u32                     db_z_info;
        u32                     db_z_read_offset;
        u32                     db_z_write_offset;
        struct radeon_bo        *db_z_read_bo;
        struct radeon_bo        *db_z_write_bo;
        u32                     db_s_info;
        u32                     db_s_read_offset;
        u32                     db_s_write_offset;
        struct radeon_bo        *db_s_read_bo;
        struct radeon_bo        *db_s_write_bo;
        bool                    sx_misc_kill_all_prims;
        bool                    cb_dirty;
        bool                    db_dirty;
        bool                    streamout_dirty;
        u32                     htile_offset;
        u32                     htile_surface;
        struct radeon_bo        *htile_bo;
        unsigned long           indirect_draw_buffer_size;
        const unsigned          *reg_safe_bm;
};

static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
{
        if (tiling_flags & RADEON_TILING_MACRO)
                return ARRAY_2D_TILED_THIN1;
        else if (tiling_flags & RADEON_TILING_MICRO)
                return ARRAY_1D_TILED_THIN1;
        else
                return ARRAY_LINEAR_GENERAL;
}

static u32 evergreen_cs_get_num_banks(u32 nbanks)
{
        switch (nbanks) {
        case 2:
                return ADDR_SURF_2_BANK;
        case 4:
                return ADDR_SURF_4_BANK;
        case 8:
        default:
                return ADDR_SURF_8_BANK;
        case 16:
                return ADDR_SURF_16_BANK;
        }
}

static void evergreen_cs_track_init(struct evergreen_cs_track *track)
{
        int i;

        for (i = 0; i < 8; i++) {
                track->cb_color_fmask_bo[i] = NULL;
                track->cb_color_cmask_bo[i] = NULL;
                track->cb_color_cmask_slice[i] = 0;
                track->cb_color_fmask_slice[i] = 0;
        }

        for (i = 0; i < 12; i++) {
                track->cb_color_bo[i] = NULL;
                track->cb_color_bo_offset[i] = 0xFFFFFFFF;
                track->cb_color_info[i] = 0;
                track->cb_color_view[i] = 0xFFFFFFFF;
                track->cb_color_pitch[i] = 0;
                track->cb_color_slice[i] = 0xfffffff;
                track->cb_color_slice_idx[i] = 0;
        }
        track->cb_target_mask = 0xFFFFFFFF;
        track->cb_shader_mask = 0xFFFFFFFF;
        track->cb_dirty = true;

        track->db_depth_slice = 0xffffffff;
        track->db_depth_view = 0xFFFFC000;
        track->db_depth_size = 0xFFFFFFFF;
        track->db_depth_control = 0xFFFFFFFF;
        track->db_z_info = 0xFFFFFFFF;
        track->db_z_read_offset = 0xFFFFFFFF;
        track->db_z_write_offset = 0xFFFFFFFF;
        track->db_z_read_bo = NULL;
        track->db_z_write_bo = NULL;
        track->db_s_info = 0xFFFFFFFF;
        track->db_s_read_offset = 0xFFFFFFFF;
        track->db_s_write_offset = 0xFFFFFFFF;
        track->db_s_read_bo = NULL;
        track->db_s_write_bo = NULL;
        track->db_dirty = true;
        track->htile_bo = NULL;
        track->htile_offset = 0xFFFFFFFF;
        track->htile_surface = 0;

        for (i = 0; i < 4; i++) {
                track->vgt_strmout_size[i] = 0;
                track->vgt_strmout_bo[i] = NULL;
                track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
        }
        track->streamout_dirty = true;
        track->sx_misc_kill_all_prims = false;
}

struct eg_surface {
        /* value gathered from cs */
        unsigned        nbx;
        unsigned        nby;
        unsigned        format;
        unsigned        mode;
        unsigned        nbanks;
        unsigned        bankw;
        unsigned        bankh;
        unsigned        tsplit;
        unsigned        mtilea;
        unsigned        nsamples;
        /* output value */
        unsigned        bpe;
        unsigned        layer_size;
        unsigned        palign;
        unsigned        halign;
        unsigned long   base_align;
};

static int evergreen_surface_check_linear(struct radeon_cs_parser *p,
                                          struct eg_surface *surf,
                                          const char *prefix)
{
        surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
        surf->base_align = surf->bpe;
        surf->palign = 1;
        surf->halign = 1;
        return 0;
}

static int evergreen_surface_check_linear_aligned(struct radeon_cs_parser *p,
                                                  struct eg_surface *surf,
                                                  const char *prefix)
{
        struct evergreen_cs_track *track = p->track;
        unsigned palign;

        palign = MAX(64, track->group_size / surf->bpe);
        surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
        surf->base_align = track->group_size;
        surf->palign = palign;
        surf->halign = 1;
        if ((surf->nbx & (palign - 1)) && !(palign == 64 && surf->nbx == 32)) {
                if (prefix) {
                        dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
                                 __func__, __LINE__, prefix, surf->nbx, palign);
                }
                return -EINVAL;
        }
        return 0;
}

static int evergreen_surface_check_1d(struct radeon_cs_parser *p,
                                      struct eg_surface *surf,
                                      const char *prefix)
{
        struct evergreen_cs_track *track = p->track;
        unsigned palign;

        palign = track->group_size / (8 * surf->bpe * surf->nsamples);
        palign = MAX(8, palign);
        surf->layer_size = surf->nbx * surf->nby * surf->bpe;
        surf->base_align = track->group_size;
        surf->palign = palign;
        surf->halign = 8;
        if ((surf->nbx & (palign - 1))) {
                if (prefix) {
                        dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d (%d %d %d)\n",
                                 __func__, __LINE__, prefix, surf->nbx, palign,
                                 track->group_size, surf->bpe, surf->nsamples);
                }
                return -EINVAL;
        }
        if ((surf->nby & (8 - 1))) {
                if (prefix) {
                        dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with 8\n",
                                 __func__, __LINE__, prefix, surf->nby);
                }
                return -EINVAL;
        }
        return 0;
}

static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
                                      struct eg_surface *surf,
                                      const char *prefix)
{
        struct evergreen_cs_track *track = p->track;
        unsigned palign, halign, tileb, slice_pt;
        unsigned mtile_pr, mtile_ps, mtileb;

        tileb = 64 * surf->bpe * surf->nsamples;
        slice_pt = 1;
        if (tileb > surf->tsplit) {
                slice_pt = tileb / surf->tsplit;
        }
        tileb = tileb / slice_pt;
        /* macro tile width & height */
        palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
        halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
        mtileb = (palign / 8) * (halign / 8) * tileb;
        mtile_pr = surf->nbx / palign;
        mtile_ps = (mtile_pr * surf->nby) / halign;
        surf->layer_size = mtile_ps * mtileb * slice_pt;
        surf->base_align = (palign / 8) * (halign / 8) * tileb;
        surf->palign = palign;
        surf->halign = halign;

        if ((surf->nbx & (palign - 1))) {
                if (prefix) {
                        dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
                                 __func__, __LINE__, prefix, surf->nbx, palign);
                }
                return -EINVAL;
        }
        if ((surf->nby & (halign - 1))) {
                if (prefix) {
                        dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with %d\n",
                                 __func__, __LINE__, prefix, surf->nby, halign);
                }
                return -EINVAL;
        }

        return 0;
}

static int evergreen_surface_check(struct radeon_cs_parser *p,
                                   struct eg_surface *surf,
                                   const char *prefix)
{
        /* some common value computed here */
        surf->bpe = r600_fmt_get_blocksize(surf->format);

        switch (surf->mode) {
        case ARRAY_LINEAR_GENERAL:
                return evergreen_surface_check_linear(p, surf, prefix);
        case ARRAY_LINEAR_ALIGNED:
                return evergreen_surface_check_linear_aligned(p, surf, prefix);
        case ARRAY_1D_TILED_THIN1:
                return evergreen_surface_check_1d(p, surf, prefix);
        case ARRAY_2D_TILED_THIN1:
                return evergreen_surface_check_2d(p, surf, prefix);
        default:
                dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
                                __func__, __LINE__, prefix, surf->mode);
                return -EINVAL;
        }
        return -EINVAL;
}

static int evergreen_surface_value_conv_check(struct radeon_cs_parser *p,
                                              struct eg_surface *surf,
                                              const char *prefix)
{
        switch (surf->mode) {
        case ARRAY_2D_TILED_THIN1:
                break;
        case ARRAY_LINEAR_GENERAL:
        case ARRAY_LINEAR_ALIGNED:
        case ARRAY_1D_TILED_THIN1:
                return 0;
        default:
                dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
                                __func__, __LINE__, prefix, surf->mode);
                return -EINVAL;
        }

        switch (surf->nbanks) {
        case 0: surf->nbanks = 2; break;
        case 1: surf->nbanks = 4; break;
        case 2: surf->nbanks = 8; break;
        case 3: surf->nbanks = 16; break;
        default:
                dev_warn(p->dev, "%s:%d %s invalid number of banks %d\n",
                         __func__, __LINE__, prefix, surf->nbanks);
                return -EINVAL;
        }
        switch (surf->bankw) {
        case 0: surf->bankw = 1; break;
        case 1: surf->bankw = 2; break;
        case 2: surf->bankw = 4; break;
        case 3: surf->bankw = 8; break;
        default:
                dev_warn(p->dev, "%s:%d %s invalid bankw %d\n",
                         __func__, __LINE__, prefix, surf->bankw);
                return -EINVAL;
        }
        switch (surf->bankh) {
        case 0: surf->bankh = 1; break;
        case 1: surf->bankh = 2; break;
        case 2: surf->bankh = 4; break;
        case 3: surf->bankh = 8; break;
        default:
                dev_warn(p->dev, "%s:%d %s invalid bankh %d\n",
                         __func__, __LINE__, prefix, surf->bankh);
                return -EINVAL;
        }
        switch (surf->mtilea) {
        case 0: surf->mtilea = 1; break;
        case 1: surf->mtilea = 2; break;
        case 2: surf->mtilea = 4; break;
        case 3: surf->mtilea = 8; break;
        default:
                dev_warn(p->dev, "%s:%d %s invalid macro tile aspect %d\n",
                         __func__, __LINE__, prefix, surf->mtilea);
                return -EINVAL;
        }
        switch (surf->tsplit) {
        case 0: surf->tsplit = 64; break;
        case 1: surf->tsplit = 128; break;
        case 2: surf->tsplit = 256; break;
        case 3: surf->tsplit = 512; break;
        case 4: surf->tsplit = 1024; break;
        case 5: surf->tsplit = 2048; break;
        case 6: surf->tsplit = 4096; break;
        default:
                dev_warn(p->dev, "%s:%d %s invalid tile split %d\n",
                         __func__, __LINE__, prefix, surf->tsplit);
                return -EINVAL;
        }
        return 0;
}

static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned id)
{
        struct evergreen_cs_track *track = p->track;
        struct eg_surface surf;
        unsigned pitch, slice, mslice;
        u64 offset;
        int r;

        mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1;
        pitch = track->cb_color_pitch[id];
        slice = track->cb_color_slice[id];
        surf.nbx = (pitch + 1) * 8;
        surf.nby = ((slice + 1) * 64) / surf.nbx;
        surf.mode = G_028C70_ARRAY_MODE(track->cb_color_info[id]);
        surf.format = G_028C70_FORMAT(track->cb_color_info[id]);
        surf.tsplit = G_028C74_TILE_SPLIT(track->cb_color_attrib[id]);
        surf.nbanks = G_028C74_NUM_BANKS(track->cb_color_attrib[id]);
        surf.bankw = G_028C74_BANK_WIDTH(track->cb_color_attrib[id]);
        surf.bankh = G_028C74_BANK_HEIGHT(track->cb_color_attrib[id]);
        surf.mtilea = G_028C74_MACRO_TILE_ASPECT(track->cb_color_attrib[id]);
        surf.nsamples = 1;

        if (!r600_fmt_is_valid_color(surf.format)) {
                dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08x)\n",
                         __func__, __LINE__, surf.format,
                        id, track->cb_color_info[id]);
                return -EINVAL;
        }

        r = evergreen_surface_value_conv_check(p, &surf, "cb");
        if (r) {
                return r;
        }

        r = evergreen_surface_check(p, &surf, "cb");
        if (r) {
                dev_warn(p->dev, "%s:%d cb[%d] invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
                         __func__, __LINE__, id, track->cb_color_pitch[id],
                         track->cb_color_slice[id], track->cb_color_attrib[id],
                         track->cb_color_info[id]);
                return r;
        }

        offset = (u64)track->cb_color_bo_offset[id] << 8;
        if (offset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d cb[%d] bo base %llu not aligned with %ld\n",
                         __func__, __LINE__, id, offset, surf.base_align);
                return -EINVAL;
        }

        offset += (u64)surf.layer_size * mslice;
        if (offset > radeon_bo_size(track->cb_color_bo[id])) {
                /* old ddx are broken they allocate bo with w*h*bpp but
                 * program slice with ALIGN(h, 8), catch this and patch
                 * command stream.
                 */
                if (!surf.mode) {
                        uint32_t *ib = p->ib.ptr;
                        u64 tmp, nby, bsize, size, min = 0;

                        /* find the height the ddx wants */
                        if (surf.nby > 8) {
                                min = surf.nby - 8;
                        }
                        bsize = radeon_bo_size(track->cb_color_bo[id]);
                        tmp = (u64)track->cb_color_bo_offset[id] << 8;
                        for (nby = surf.nby; nby > min; nby--) {
                                size = nby * surf.nbx * surf.bpe * surf.nsamples;
                                if ((tmp + size * mslice) <= bsize) {
                                        break;
                                }
                        }
                        if (nby > min) {
                                surf.nby = nby;
                                slice = ((nby * surf.nbx) / 64) - 1;
                                if (!evergreen_surface_check(p, &surf, "cb")) {
                                        /* check if this one works */
                                        tmp += (u64)surf.layer_size * mslice;
                                        if (tmp <= bsize) {
                                                ib[track->cb_color_slice_idx[id]] = slice;
                                                goto old_ddx_ok;
                                        }
                                }
                        }
                }
                dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, "
                         "offset %llu, max layer %d, bo size %ld, slice %d)\n",
                         __func__, __LINE__, id, surf.layer_size,
                        (u64)track->cb_color_bo_offset[id] << 8, mslice,
                        radeon_bo_size(track->cb_color_bo[id]), slice);
                dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
                         __func__, __LINE__, surf.nbx, surf.nby,
                        surf.mode, surf.bpe, surf.nsamples,
                        surf.bankw, surf.bankh,
                        surf.tsplit, surf.mtilea);
                return -EINVAL;
        }
old_ddx_ok:

        return 0;
}

static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p,
                                                unsigned nbx, unsigned nby)
{
        struct evergreen_cs_track *track = p->track;
        unsigned long size;

        if (track->htile_bo == NULL) {
                dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
                                __func__, __LINE__, track->db_z_info);
                return -EINVAL;
        }

        if (G_028ABC_LINEAR(track->htile_surface)) {
                /* pitch must be 16 htiles aligned == 16 * 8 pixel aligned */
                nbx = round_up(nbx, 16 * 8);
                /* height is npipes htiles aligned == npipes * 8 pixel aligned */
                nby = round_up(nby, track->npipes * 8);
        } else {
                /* always assume 8x8 htile */
                /* align is htile align * 8, htile align vary according to
                 * number of pipe and tile width and nby
                 */
                switch (track->npipes) {
                case 8:
                        /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
                        nbx = round_up(nbx, 64 * 8);
                        nby = round_up(nby, 64 * 8);
                        break;
                case 4:
                        /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
                        nbx = round_up(nbx, 64 * 8);
                        nby = round_up(nby, 32 * 8);
                        break;
                case 2:
                        /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
                        nbx = round_up(nbx, 32 * 8);
                        nby = round_up(nby, 32 * 8);
                        break;
                case 1:
                        /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
                        nbx = round_up(nbx, 32 * 8);
                        nby = round_up(nby, 16 * 8);
                        break;
                default:
                        dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
                                        __func__, __LINE__, track->npipes);
                        return -EINVAL;
                }
        }
        /* compute number of htile */
        nbx = nbx >> 3;
        nby = nby >> 3;
        /* size must be aligned on npipes * 2K boundary */
        size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
        size += track->htile_offset;

        if (size > radeon_bo_size(track->htile_bo)) {
                dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
                                __func__, __LINE__, radeon_bo_size(track->htile_bo),
                                size, nbx, nby);
                return -EINVAL;
        }
        return 0;
}

static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p)
{
        struct evergreen_cs_track *track = p->track;
        struct eg_surface surf;
        unsigned pitch, slice, mslice;
        u64 offset;
        int r;

        mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
        pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
        slice = track->db_depth_slice;
        surf.nbx = (pitch + 1) * 8;
        surf.nby = ((slice + 1) * 64) / surf.nbx;
        surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
        surf.format = G_028044_FORMAT(track->db_s_info);
        surf.tsplit = G_028044_TILE_SPLIT(track->db_s_info);
        surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
        surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
        surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
        surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
        surf.nsamples = 1;

        if (surf.format != 1) {
                dev_warn(p->dev, "%s:%d stencil invalid format %d\n",
                         __func__, __LINE__, surf.format);
                return -EINVAL;
        }
        /* replace by color format so we can use same code */
        surf.format = V_028C70_COLOR_8;

        r = evergreen_surface_value_conv_check(p, &surf, "stencil");
        if (r) {
                return r;
        }

        r = evergreen_surface_check(p, &surf, NULL);
        if (r) {
                /* old userspace doesn't compute proper depth/stencil alignment
                 * check that alignment against a bigger byte per elements and
                 * only report if that alignment is wrong too.
                 */
                surf.format = V_028C70_COLOR_8_8_8_8;
                r = evergreen_surface_check(p, &surf, "stencil");
                if (r) {
                        dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
                                 __func__, __LINE__, track->db_depth_size,
                                 track->db_depth_slice, track->db_s_info, track->db_z_info);
                }
                return r;
        }

        offset = (u64)track->db_s_read_offset << 8;
        if (offset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n",
                         __func__, __LINE__, offset, surf.base_align);
                return -EINVAL;
        }
        offset += (u64)surf.layer_size * mslice;
        if (offset > radeon_bo_size(track->db_s_read_bo)) {
                dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, "
                         "offset %llu, max layer %d, bo size %ld)\n",
                         __func__, __LINE__, surf.layer_size,
                        (u64)track->db_s_read_offset << 8, mslice,
                        radeon_bo_size(track->db_s_read_bo));
                dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
                         __func__, __LINE__, track->db_depth_size,
                         track->db_depth_slice, track->db_s_info, track->db_z_info);
                return -EINVAL;
        }

        offset = (u64)track->db_s_write_offset << 8;
        if (offset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n",
                         __func__, __LINE__, offset, surf.base_align);
                return -EINVAL;
        }
        offset += (u64)surf.layer_size * mslice;
        if (offset > radeon_bo_size(track->db_s_write_bo)) {
                dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, "
                         "offset %llu, max layer %d, bo size %ld)\n",
                         __func__, __LINE__, surf.layer_size,
                        (u64)track->db_s_write_offset << 8, mslice,
                        radeon_bo_size(track->db_s_write_bo));
                return -EINVAL;
        }

        /* hyperz */
        if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
                r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
                if (r) {
                        return r;
                }
        }

        return 0;
}

static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p)
{
        struct evergreen_cs_track *track = p->track;
        struct eg_surface surf;
        unsigned pitch, slice, mslice;
        u64 offset;
        int r;

        mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
        pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
        slice = track->db_depth_slice;
        surf.nbx = (pitch + 1) * 8;
        surf.nby = ((slice + 1) * 64) / surf.nbx;
        surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
        surf.format = G_028040_FORMAT(track->db_z_info);
        surf.tsplit = G_028040_TILE_SPLIT(track->db_z_info);
        surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
        surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
        surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
        surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
        surf.nsamples = 1;

        switch (surf.format) {
        case V_028040_Z_16:
                surf.format = V_028C70_COLOR_16;
                break;
        case V_028040_Z_24:
        case V_028040_Z_32_FLOAT:
                surf.format = V_028C70_COLOR_8_8_8_8;
                break;
        default:
                dev_warn(p->dev, "%s:%d depth invalid format %d\n",
                         __func__, __LINE__, surf.format);
                return -EINVAL;
        }

        r = evergreen_surface_value_conv_check(p, &surf, "depth");
        if (r) {
                dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
                         __func__, __LINE__, track->db_depth_size,
                         track->db_depth_slice, track->db_z_info);
                return r;
        }

        r = evergreen_surface_check(p, &surf, "depth");
        if (r) {
                dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
                         __func__, __LINE__, track->db_depth_size,
                         track->db_depth_slice, track->db_z_info);
                return r;
        }

        offset = (u64)track->db_z_read_offset << 8;
        if (offset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n",
                         __func__, __LINE__, offset, surf.base_align);
                return -EINVAL;
        }
        offset += (u64)surf.layer_size * mslice;
        if (offset > radeon_bo_size(track->db_z_read_bo)) {
                dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, "
                         "offset %llu, max layer %d, bo size %ld)\n",
                         __func__, __LINE__, surf.layer_size,
                        (u64)track->db_z_read_offset << 8, mslice,
                        radeon_bo_size(track->db_z_read_bo));
                return -EINVAL;
        }

        offset = (u64)track->db_z_write_offset << 8;
        if (offset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n",
                         __func__, __LINE__, offset, surf.base_align);
                return -EINVAL;
        }
        offset += (u64)surf.layer_size * mslice;
        if (offset > radeon_bo_size(track->db_z_write_bo)) {
                dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, "
                         "offset %llu, max layer %d, bo size %ld)\n",
                         __func__, __LINE__, surf.layer_size,
                        (u64)track->db_z_write_offset << 8, mslice,
                        radeon_bo_size(track->db_z_write_bo));
                return -EINVAL;
        }

        /* hyperz */
        if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
                r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
                if (r) {
                        return r;
                }
        }

        return 0;
}

static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
                                               struct radeon_bo *texture,
                                               struct radeon_bo *mipmap,
                                               unsigned idx)
{
        struct eg_surface surf;
        unsigned long toffset, moffset;
        unsigned dim, llevel, mslice, width, height, depth, i;
        u32 texdw[8];
        int r;

        texdw[0] = radeon_get_ib_value(p, idx + 0);
        texdw[1] = radeon_get_ib_value(p, idx + 1);
        texdw[2] = radeon_get_ib_value(p, idx + 2);
        texdw[3] = radeon_get_ib_value(p, idx + 3);
        texdw[4] = radeon_get_ib_value(p, idx + 4);
        texdw[5] = radeon_get_ib_value(p, idx + 5);
        texdw[6] = radeon_get_ib_value(p, idx + 6);
        texdw[7] = radeon_get_ib_value(p, idx + 7);
        dim = G_030000_DIM(texdw[0]);
        llevel = G_030014_LAST_LEVEL(texdw[5]);
        mslice = G_030014_LAST_ARRAY(texdw[5]) + 1;
        width = G_030000_TEX_WIDTH(texdw[0]) + 1;
        height =  G_030004_TEX_HEIGHT(texdw[1]) + 1;
        depth = G_030004_TEX_DEPTH(texdw[1]) + 1;
        surf.format = G_03001C_DATA_FORMAT(texdw[7]);
        surf.nbx = (G_030000_PITCH(texdw[0]) + 1) * 8;
        surf.nbx = r600_fmt_get_nblocksx(surf.format, surf.nbx);
        surf.nby = r600_fmt_get_nblocksy(surf.format, height);
        surf.mode = G_030004_ARRAY_MODE(texdw[1]);
        surf.tsplit = G_030018_TILE_SPLIT(texdw[6]);
        surf.nbanks = G_03001C_NUM_BANKS(texdw[7]);
        surf.bankw = G_03001C_BANK_WIDTH(texdw[7]);
        surf.bankh = G_03001C_BANK_HEIGHT(texdw[7]);
        surf.mtilea = G_03001C_MACRO_TILE_ASPECT(texdw[7]);
        surf.nsamples = 1;
        toffset = texdw[2] << 8;
        moffset = texdw[3] << 8;

        if (!r600_fmt_is_valid_texture(surf.format, p->family)) {
                dev_warn(p->dev, "%s:%d texture invalid format %d\n",
                         __func__, __LINE__, surf.format);
                return -EINVAL;
        }
        switch (dim) {
        case V_030000_SQ_TEX_DIM_1D:
        case V_030000_SQ_TEX_DIM_2D:
        case V_030000_SQ_TEX_DIM_CUBEMAP:
        case V_030000_SQ_TEX_DIM_1D_ARRAY:
        case V_030000_SQ_TEX_DIM_2D_ARRAY:
                depth = 1;
                break;
        case V_030000_SQ_TEX_DIM_2D_MSAA:
        case V_030000_SQ_TEX_DIM_2D_ARRAY_MSAA:
                surf.nsamples = 1 << llevel;
                llevel = 0;
                depth = 1;
                break;
        case V_030000_SQ_TEX_DIM_3D:
                break;
        default:
                dev_warn(p->dev, "%s:%d texture invalid dimension %d\n",
                         __func__, __LINE__, dim);
                return -EINVAL;
        }

        r = evergreen_surface_value_conv_check(p, &surf, "texture");
        if (r) {
                return r;
        }

        /* align height */
        evergreen_surface_check(p, &surf, NULL);
        surf.nby = ALIGN(surf.nby, surf.halign);

        r = evergreen_surface_check(p, &surf, "texture");
        if (r) {
                dev_warn(p->dev, "%s:%d texture invalid 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
                         __func__, __LINE__, texdw[0], texdw[1], texdw[4],
                         texdw[5], texdw[6], texdw[7]);
                return r;
        }

        /* check texture size */
        if (toffset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d texture bo base %ld not aligned with %ld\n",
                         __func__, __LINE__, toffset, surf.base_align);
                return -EINVAL;
        }
        if (surf.nsamples <= 1 && moffset & (surf.base_align - 1)) {
                dev_warn(p->dev, "%s:%d mipmap bo base %ld not aligned with %ld\n",
                         __func__, __LINE__, moffset, surf.base_align);
                return -EINVAL;
        }
        if (dim == SQ_TEX_DIM_3D) {
                toffset += surf.layer_size * depth;
        } else {
                toffset += surf.layer_size * mslice;
        }
        if (toffset > radeon_bo_size(texture)) {
                dev_warn(p->dev, "%s:%d texture bo too small (layer size %d, "
                         "offset %ld, max layer %d, depth %d, bo size %ld) (%d %d)\n",
                         __func__, __LINE__, surf.layer_size,
                        (unsigned long)texdw[2] << 8, mslice,
                        depth, radeon_bo_size(texture),
                        surf.nbx, surf.nby);
                return -EINVAL;
        }

        if (!mipmap) {
                if (llevel) {
                        dev_warn(p->dev, "%s:%i got NULL MIP_ADDRESS relocation\n",
                                 __func__, __LINE__);
                        return -EINVAL;
                } else {
                        return 0; /* everything's ok */
                }
        }

        /* check mipmap size */
        for (i = 1; i <= llevel; i++) {
                unsigned w, h, d;

                w = r600_mip_minify(width, i);
                h = r600_mip_minify(height, i);
                d = r600_mip_minify(depth, i);
                surf.nbx = r600_fmt_get_nblocksx(surf.format, w);
                surf.nby = r600_fmt_get_nblocksy(surf.format, h);

                switch (surf.mode) {
                case ARRAY_2D_TILED_THIN1:
                        if (surf.nbx < surf.palign || surf.nby < surf.halign) {
                                surf.mode = ARRAY_1D_TILED_THIN1;
                        }
                        /* recompute alignment */
                        evergreen_surface_check(p, &surf, NULL);
                        break;
                case ARRAY_LINEAR_GENERAL:
                case ARRAY_LINEAR_ALIGNED:
                case ARRAY_1D_TILED_THIN1:
                        break;
                default:
                        dev_warn(p->dev, "%s:%d invalid array mode %d\n",
                                 __func__, __LINE__, surf.mode);
                        return -EINVAL;
                }
                surf.nbx = ALIGN(surf.nbx, surf.palign);
                surf.nby = ALIGN(surf.nby, surf.halign);

                r = evergreen_surface_check(p, &surf, "mipmap");
                if (r) {
                        return r;
                }

                if (dim == SQ_TEX_DIM_3D) {
                        moffset += surf.layer_size * d;
                } else {
                        moffset += surf.layer_size * mslice;
                }
                if (moffset > radeon_bo_size(mipmap)) {
                        dev_warn(p->dev, "%s:%d mipmap [%d] bo too small (layer size %d, "
                                        "offset %ld, coffset %ld, max layer %d, depth %d, "
                                        "bo size %ld) level0 (%d %d %d)\n",
                                        __func__, __LINE__, i, surf.layer_size,
                                        (unsigned long)texdw[3] << 8, moffset, mslice,
                                        d, radeon_bo_size(mipmap),
                                        width, height, depth);
                        dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
                                 __func__, __LINE__, surf.nbx, surf.nby,
                                surf.mode, surf.bpe, surf.nsamples,
                                surf.bankw, surf.bankh,
                                surf.tsplit, surf.mtilea);
                        return -EINVAL;
                }
        }

        return 0;
}

static int evergreen_cs_track_check(struct radeon_cs_parser *p)
{
        struct evergreen_cs_track *track = p->track;
        unsigned tmp, i;
        int r;
        unsigned buffer_mask = 0;

        /* check streamout */
        if (track->streamout_dirty && track->vgt_strmout_config) {
                for (i = 0; i < 4; i++) {
                        if (track->vgt_strmout_config & (1 << i)) {
                                buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf;
                        }
                }

                for (i = 0; i < 4; i++) {
                        if (buffer_mask & (1 << i)) {
                                if (track->vgt_strmout_bo[i]) {
                                        u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
                                                        (u64)track->vgt_strmout_size[i];
                                        if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
                                                dev_warn_once(p->dev, "streamout %d bo too small: 0x%llx, 0x%lx\n",
                                                              i, offset,
                                                              radeon_bo_size(track->vgt_strmout_bo[i]));
                                                return -EINVAL;
                                        }
                                } else {
                                        dev_warn_once(p->dev, "No buffer for streamout %d\n", i);
                                        return -EINVAL;
                                }
                        }
                }
                track->streamout_dirty = false;
        }

        if (track->sx_misc_kill_all_prims)
                return 0;

        /* check that we have a cb for each enabled target
         */
        if (track->cb_dirty) {
                tmp = track->cb_target_mask;
                for (i = 0; i < 8; i++) {
                        u32 format = G_028C70_FORMAT(track->cb_color_info[i]);

                        if (format != V_028C70_COLOR_INVALID &&
                            (tmp >> (i * 4)) & 0xF) {
                                /* at least one component is enabled */
                                if (track->cb_color_bo[i] == NULL) {
                                        dev_warn_once(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
                                                      __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
                                        return -EINVAL;
                                }
                                /* check cb */
                                r = evergreen_cs_track_validate_cb(p, i);
                                if (r) {
                                        return r;
                                }
                        }
                }
                track->cb_dirty = false;
        }

        if (track->db_dirty) {
                /* Check stencil buffer */
                if (G_028044_FORMAT(track->db_s_info) != V_028044_STENCIL_INVALID &&
                    G_028800_STENCIL_ENABLE(track->db_depth_control)) {
                        r = evergreen_cs_track_validate_stencil(p);
                        if (r)
                                return r;
                }
                /* Check depth buffer */
                if (G_028040_FORMAT(track->db_z_info) != V_028040_Z_INVALID &&
                    G_028800_Z_ENABLE(track->db_depth_control)) {
                        r = evergreen_cs_track_validate_depth(p);
                        if (r)
                                return r;
                }
                track->db_dirty = false;
        }

        return 0;
}

/**
 * evergreen_cs_packet_parse_vline() - parse userspace VLINE packet
 * @p:          parser structure holding parsing context.
 *
 * This is an Evergreen(+)-specific function for parsing VLINE packets.
 * Real work is done by r600_cs_common_vline_parse function.
 * Here we just set up ASIC-specific register table and call
 * the common implementation function.
 */
static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p)
{

        static uint32_t vline_start_end[6] = {
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC0_REGISTER_OFFSET,
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC1_REGISTER_OFFSET,
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC2_REGISTER_OFFSET,
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC3_REGISTER_OFFSET,
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC4_REGISTER_OFFSET,
                EVERGREEN_VLINE_START_END + EVERGREEN_CRTC5_REGISTER_OFFSET
        };
        static uint32_t vline_status[6] = {
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET,
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET,
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET,
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET,
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET,
                EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET
        };

        return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
}

static int evergreen_packet0_check(struct radeon_cs_parser *p,
                                   struct radeon_cs_packet *pkt,
                                   unsigned idx, unsigned reg)
{
        int r;

        switch (reg) {
        case EVERGREEN_VLINE_START_END:
                r = evergreen_cs_packet_parse_vline(p);
                if (r) {
                        dev_warn_once(p->dev, "No reloc for ib[%d]=0x%04X\n",
                                      idx, reg);
                        return r;
                }
                break;
        default:
                pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
                return -EINVAL;
        }
        return 0;
}

static int evergreen_cs_parse_packet0(struct radeon_cs_parser *p,
                                      struct radeon_cs_packet *pkt)
{
        unsigned reg, i;
        unsigned idx;
        int r;

        idx = pkt->idx + 1;
        reg = pkt->reg;
        for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
                r = evergreen_packet0_check(p, pkt, idx, reg);
                if (r) {
                        return r;
                }
        }
        return 0;
}

/**
 * evergreen_cs_handle_reg() - process registers that need special handling.
 * @p: parser structure holding parsing context
 * @reg: register we are testing
 * @idx: index into the cs buffer
 */
static int evergreen_cs_handle_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
{
        struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
        struct radeon_bo_list *reloc;
        u32 tmp, *ib;
        int r;

        ib = p->ib.ptr;
        switch (reg) {
        /* force following reg to 0 in an attempt to disable out buffer
         * which will need us to better understand how it works to perform
         * security check on it (Jerome)
         */
        case SQ_ESGS_RING_SIZE:
        case SQ_GSVS_RING_SIZE:
        case SQ_ESTMP_RING_SIZE:
        case SQ_GSTMP_RING_SIZE:
        case SQ_HSTMP_RING_SIZE:
        case SQ_LSTMP_RING_SIZE:
        case SQ_PSTMP_RING_SIZE:
        case SQ_VSTMP_RING_SIZE:
        case SQ_ESGS_RING_ITEMSIZE:
        case SQ_ESTMP_RING_ITEMSIZE:
        case SQ_GSTMP_RING_ITEMSIZE:
        case SQ_GSVS_RING_ITEMSIZE:
        case SQ_GS_VERT_ITEMSIZE:
        case SQ_GS_VERT_ITEMSIZE_1:
        case SQ_GS_VERT_ITEMSIZE_2:
        case SQ_GS_VERT_ITEMSIZE_3:
        case SQ_GSVS_RING_OFFSET_1:
        case SQ_GSVS_RING_OFFSET_2:
        case SQ_GSVS_RING_OFFSET_3:
        case SQ_HSTMP_RING_ITEMSIZE:
        case SQ_LSTMP_RING_ITEMSIZE:
        case SQ_PSTMP_RING_ITEMSIZE:
        case SQ_VSTMP_RING_ITEMSIZE:
        case VGT_TF_RING_SIZE:
                /* get value to populate the IB don't remove */
                /*tmp =radeon_get_ib_value(p, idx);
                  ib[idx] = 0;*/
                break;
        case SQ_ESGS_RING_BASE:
        case SQ_GSVS_RING_BASE:
        case SQ_ESTMP_RING_BASE:
        case SQ_GSTMP_RING_BASE:
        case SQ_HSTMP_RING_BASE:
        case SQ_LSTMP_RING_BASE:
        case SQ_PSTMP_RING_BASE:
        case SQ_VSTMP_RING_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                break;
        case DB_DEPTH_CONTROL:
                track->db_depth_control = radeon_get_ib_value(p, idx);
                track->db_dirty = true;
                break;
        case CAYMAN_DB_EQAA:
                if (p->rdev->family < CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                break;
        case CAYMAN_DB_DEPTH_INFO:
                if (p->rdev->family < CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                break;
        case DB_Z_INFO:
                track->db_z_info = radeon_get_ib_value(p, idx);
                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                              "0x%04X\n", reg);
                                return -EINVAL;
                        }
                        ib[idx] &= ~Z_ARRAY_MODE(0xf);
                        track->db_z_info &= ~Z_ARRAY_MODE(0xf);
                        ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                        track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                        if (reloc->tiling_flags & RADEON_TILING_MACRO) {
                                unsigned bankw, bankh, mtaspect, tile_split;

                                evergreen_tiling_fields(reloc->tiling_flags,
                                                        &bankw, &bankh, &mtaspect,
                                                        &tile_split);
                                ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
                                ib[idx] |= DB_TILE_SPLIT(tile_split) |
                                                DB_BANK_WIDTH(bankw) |
                                                DB_BANK_HEIGHT(bankh) |
                                                DB_MACRO_TILE_ASPECT(mtaspect);
                        }
                }
                track->db_dirty = true;
                break;
        case DB_STENCIL_INFO:
                track->db_s_info = radeon_get_ib_value(p, idx);
                track->db_dirty = true;
                break;
        case DB_DEPTH_VIEW:
                track->db_depth_view = radeon_get_ib_value(p, idx);
                track->db_dirty = true;
                break;
        case DB_DEPTH_SIZE:
                track->db_depth_size = radeon_get_ib_value(p, idx);
                track->db_dirty = true;
                break;
        case R_02805C_DB_DEPTH_SLICE:
                track->db_depth_slice = radeon_get_ib_value(p, idx);
                track->db_dirty = true;
                break;
        case DB_Z_READ_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                track->db_z_read_offset = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->db_z_read_bo = reloc->robj;
                track->db_dirty = true;
                break;
        case DB_Z_WRITE_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                track->db_z_write_offset = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->db_z_write_bo = reloc->robj;
                track->db_dirty = true;
                break;
        case DB_STENCIL_READ_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                track->db_s_read_offset = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->db_s_read_bo = reloc->robj;
                track->db_dirty = true;
                break;
        case DB_STENCIL_WRITE_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                track->db_s_write_offset = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->db_s_write_bo = reloc->robj;
                track->db_dirty = true;
                break;
        case VGT_STRMOUT_CONFIG:
                track->vgt_strmout_config = radeon_get_ib_value(p, idx);
                track->streamout_dirty = true;
                break;
        case VGT_STRMOUT_BUFFER_CONFIG:
                track->vgt_strmout_buffer_config = radeon_get_ib_value(p, idx);
                track->streamout_dirty = true;
                break;
        case VGT_STRMOUT_BUFFER_BASE_0:
        case VGT_STRMOUT_BUFFER_BASE_1:
        case VGT_STRMOUT_BUFFER_BASE_2:
        case VGT_STRMOUT_BUFFER_BASE_3:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
                track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->vgt_strmout_bo[tmp] = reloc->robj;
                track->streamout_dirty = true;
                break;
        case VGT_STRMOUT_BUFFER_SIZE_0:
        case VGT_STRMOUT_BUFFER_SIZE_1:
        case VGT_STRMOUT_BUFFER_SIZE_2:
        case VGT_STRMOUT_BUFFER_SIZE_3:
                tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
                /* size in register is DWs, convert to bytes */
                track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
                track->streamout_dirty = true;
                break;
        case CP_COHER_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "missing reloc for CP_COHER_BASE "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                break;
        case CB_TARGET_MASK:
                track->cb_target_mask = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case CB_SHADER_MASK:
                track->cb_shader_mask = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case PA_SC_AA_CONFIG:
                if (p->rdev->family >= CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
                track->nsamples = 1 << tmp;
                break;
        case CAYMAN_PA_SC_AA_CONFIG:
                if (p->rdev->family < CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
                track->nsamples = 1 << tmp;
                break;
        case CB_COLOR0_VIEW:
        case CB_COLOR1_VIEW:
        case CB_COLOR2_VIEW:
        case CB_COLOR3_VIEW:
        case CB_COLOR4_VIEW:
        case CB_COLOR5_VIEW:
        case CB_COLOR6_VIEW:
        case CB_COLOR7_VIEW:
                tmp = (reg - CB_COLOR0_VIEW) / 0x3c;
                track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case CB_COLOR8_VIEW:
        case CB_COLOR9_VIEW:
        case CB_COLOR10_VIEW:
        case CB_COLOR11_VIEW:
                tmp = ((reg - CB_COLOR8_VIEW) / 0x1c) + 8;
                track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case CB_COLOR0_INFO:
        case CB_COLOR1_INFO:
        case CB_COLOR2_INFO:
        case CB_COLOR3_INFO:
        case CB_COLOR4_INFO:
        case CB_COLOR5_INFO:
        case CB_COLOR6_INFO:
        case CB_COLOR7_INFO:
                tmp = (reg - CB_COLOR0_INFO) / 0x3c;
                track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                              "0x%04X\n", reg);
                                return -EINVAL;
                        }
                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                }
                track->cb_dirty = true;
                break;
        case CB_COLOR8_INFO:
        case CB_COLOR9_INFO:
        case CB_COLOR10_INFO:
        case CB_COLOR11_INFO:
                tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
                track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                              "0x%04X\n", reg);
                                return -EINVAL;
                        }
                        ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                        track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                }
                track->cb_dirty = true;
                break;
        case CB_COLOR0_PITCH:
        case CB_COLOR1_PITCH:
        case CB_COLOR2_PITCH:
        case CB_COLOR3_PITCH:
        case CB_COLOR4_PITCH:
        case CB_COLOR5_PITCH:
        case CB_COLOR6_PITCH:
        case CB_COLOR7_PITCH:
                tmp = (reg - CB_COLOR0_PITCH) / 0x3c;
                track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case CB_COLOR8_PITCH:
        case CB_COLOR9_PITCH:
        case CB_COLOR10_PITCH:
        case CB_COLOR11_PITCH:
                tmp = ((reg - CB_COLOR8_PITCH) / 0x1c) + 8;
                track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
                track->cb_dirty = true;
                break;
        case CB_COLOR0_SLICE:
        case CB_COLOR1_SLICE:
        case CB_COLOR2_SLICE:
        case CB_COLOR3_SLICE:
        case CB_COLOR4_SLICE:
        case CB_COLOR5_SLICE:
        case CB_COLOR6_SLICE:
        case CB_COLOR7_SLICE:
                tmp = (reg - CB_COLOR0_SLICE) / 0x3c;
                track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
                track->cb_color_slice_idx[tmp] = idx;
                track->cb_dirty = true;
                break;
        case CB_COLOR8_SLICE:
        case CB_COLOR9_SLICE:
        case CB_COLOR10_SLICE:
        case CB_COLOR11_SLICE:
                tmp = ((reg - CB_COLOR8_SLICE) / 0x1c) + 8;
                track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
                track->cb_color_slice_idx[tmp] = idx;
                track->cb_dirty = true;
                break;
        case CB_COLOR0_ATTRIB:
        case CB_COLOR1_ATTRIB:
        case CB_COLOR2_ATTRIB:
        case CB_COLOR3_ATTRIB:
        case CB_COLOR4_ATTRIB:
        case CB_COLOR5_ATTRIB:
        case CB_COLOR6_ATTRIB:
        case CB_COLOR7_ATTRIB:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                        if (reloc->tiling_flags & RADEON_TILING_MACRO) {
                                unsigned bankw, bankh, mtaspect, tile_split;

                                evergreen_tiling_fields(reloc->tiling_flags,
                                                        &bankw, &bankh, &mtaspect,
                                                        &tile_split);
                                ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
                                ib[idx] |= CB_TILE_SPLIT(tile_split) |
                                           CB_BANK_WIDTH(bankw) |
                                           CB_BANK_HEIGHT(bankh) |
                                           CB_MACRO_TILE_ASPECT(mtaspect);
                        }
                }
                tmp = ((reg - CB_COLOR0_ATTRIB) / 0x3c);
                track->cb_color_attrib[tmp] = ib[idx];
                track->cb_dirty = true;
                break;
        case CB_COLOR8_ATTRIB:
        case CB_COLOR9_ATTRIB:
        case CB_COLOR10_ATTRIB:
        case CB_COLOR11_ATTRIB:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                        if (reloc->tiling_flags & RADEON_TILING_MACRO) {
                                unsigned bankw, bankh, mtaspect, tile_split;

                                evergreen_tiling_fields(reloc->tiling_flags,
                                                        &bankw, &bankh, &mtaspect,
                                                        &tile_split);
                                ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
                                ib[idx] |= CB_TILE_SPLIT(tile_split) |
                                           CB_BANK_WIDTH(bankw) |
                                           CB_BANK_HEIGHT(bankh) |
                                           CB_MACRO_TILE_ASPECT(mtaspect);
                        }
                }
                tmp = ((reg - CB_COLOR8_ATTRIB) / 0x1c) + 8;
                track->cb_color_attrib[tmp] = ib[idx];
                track->cb_dirty = true;
                break;
        case CB_COLOR0_FMASK:
        case CB_COLOR1_FMASK:
        case CB_COLOR2_FMASK:
        case CB_COLOR3_FMASK:
        case CB_COLOR4_FMASK:
        case CB_COLOR5_FMASK:
        case CB_COLOR6_FMASK:
        case CB_COLOR7_FMASK:
                tmp = (reg - CB_COLOR0_FMASK) / 0x3c;
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->cb_color_fmask_bo[tmp] = reloc->robj;
                break;
        case CB_COLOR0_CMASK:
        case CB_COLOR1_CMASK:
        case CB_COLOR2_CMASK:
        case CB_COLOR3_CMASK:
        case CB_COLOR4_CMASK:
        case CB_COLOR5_CMASK:
        case CB_COLOR6_CMASK:
        case CB_COLOR7_CMASK:
                tmp = (reg - CB_COLOR0_CMASK) / 0x3c;
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->cb_color_cmask_bo[tmp] = reloc->robj;
                break;
        case CB_COLOR0_FMASK_SLICE:
        case CB_COLOR1_FMASK_SLICE:
        case CB_COLOR2_FMASK_SLICE:
        case CB_COLOR3_FMASK_SLICE:
        case CB_COLOR4_FMASK_SLICE:
        case CB_COLOR5_FMASK_SLICE:
        case CB_COLOR6_FMASK_SLICE:
        case CB_COLOR7_FMASK_SLICE:
                tmp = (reg - CB_COLOR0_FMASK_SLICE) / 0x3c;
                track->cb_color_fmask_slice[tmp] = radeon_get_ib_value(p, idx);
                break;
        case CB_COLOR0_CMASK_SLICE:
        case CB_COLOR1_CMASK_SLICE:
        case CB_COLOR2_CMASK_SLICE:
        case CB_COLOR3_CMASK_SLICE:
        case CB_COLOR4_CMASK_SLICE:
        case CB_COLOR5_CMASK_SLICE:
        case CB_COLOR6_CMASK_SLICE:
        case CB_COLOR7_CMASK_SLICE:
                tmp = (reg - CB_COLOR0_CMASK_SLICE) / 0x3c;
                track->cb_color_cmask_slice[tmp] = radeon_get_ib_value(p, idx);
                break;
        case CB_COLOR0_BASE:
        case CB_COLOR1_BASE:
        case CB_COLOR2_BASE:
        case CB_COLOR3_BASE:
        case CB_COLOR4_BASE:
        case CB_COLOR5_BASE:
        case CB_COLOR6_BASE:
        case CB_COLOR7_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                tmp = (reg - CB_COLOR0_BASE) / 0x3c;
                track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->cb_color_bo[tmp] = reloc->robj;
                track->cb_dirty = true;
                break;
        case CB_COLOR8_BASE:
        case CB_COLOR9_BASE:
        case CB_COLOR10_BASE:
        case CB_COLOR11_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                tmp = ((reg - CB_COLOR8_BASE) / 0x1c) + 8;
                track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->cb_color_bo[tmp] = reloc->robj;
                track->cb_dirty = true;
                break;
        case DB_HTILE_DATA_BASE:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                track->htile_offset = radeon_get_ib_value(p, idx);
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                track->htile_bo = reloc->robj;
                track->db_dirty = true;
                break;
        case DB_HTILE_SURFACE:
                /* 8x8 only */
                track->htile_surface = radeon_get_ib_value(p, idx);
                /* force 8x8 htile width and height */
                ib[idx] |= 3;
                track->db_dirty = true;
                break;
        case CB_IMMED0_BASE:
        case CB_IMMED1_BASE:
        case CB_IMMED2_BASE:
        case CB_IMMED3_BASE:
        case CB_IMMED4_BASE:
        case CB_IMMED5_BASE:
        case CB_IMMED6_BASE:
        case CB_IMMED7_BASE:
        case CB_IMMED8_BASE:
        case CB_IMMED9_BASE:
        case CB_IMMED10_BASE:
        case CB_IMMED11_BASE:
        case SQ_PGM_START_FS:
        case SQ_PGM_START_ES:
        case SQ_PGM_START_VS:
        case SQ_PGM_START_GS:
        case SQ_PGM_START_PS:
        case SQ_PGM_START_HS:
        case SQ_PGM_START_LS:
        case SQ_CONST_MEM_BASE:
        case SQ_ALU_CONST_CACHE_GS_0:
        case SQ_ALU_CONST_CACHE_GS_1:
        case SQ_ALU_CONST_CACHE_GS_2:
        case SQ_ALU_CONST_CACHE_GS_3:
        case SQ_ALU_CONST_CACHE_GS_4:
        case SQ_ALU_CONST_CACHE_GS_5:
        case SQ_ALU_CONST_CACHE_GS_6:
        case SQ_ALU_CONST_CACHE_GS_7:
        case SQ_ALU_CONST_CACHE_GS_8:
        case SQ_ALU_CONST_CACHE_GS_9:
        case SQ_ALU_CONST_CACHE_GS_10:
        case SQ_ALU_CONST_CACHE_GS_11:
        case SQ_ALU_CONST_CACHE_GS_12:
        case SQ_ALU_CONST_CACHE_GS_13:
        case SQ_ALU_CONST_CACHE_GS_14:
        case SQ_ALU_CONST_CACHE_GS_15:
        case SQ_ALU_CONST_CACHE_PS_0:
        case SQ_ALU_CONST_CACHE_PS_1:
        case SQ_ALU_CONST_CACHE_PS_2:
        case SQ_ALU_CONST_CACHE_PS_3:
        case SQ_ALU_CONST_CACHE_PS_4:
        case SQ_ALU_CONST_CACHE_PS_5:
        case SQ_ALU_CONST_CACHE_PS_6:
        case SQ_ALU_CONST_CACHE_PS_7:
        case SQ_ALU_CONST_CACHE_PS_8:
        case SQ_ALU_CONST_CACHE_PS_9:
        case SQ_ALU_CONST_CACHE_PS_10:
        case SQ_ALU_CONST_CACHE_PS_11:
        case SQ_ALU_CONST_CACHE_PS_12:
        case SQ_ALU_CONST_CACHE_PS_13:
        case SQ_ALU_CONST_CACHE_PS_14:
        case SQ_ALU_CONST_CACHE_PS_15:
        case SQ_ALU_CONST_CACHE_VS_0:
        case SQ_ALU_CONST_CACHE_VS_1:
        case SQ_ALU_CONST_CACHE_VS_2:
        case SQ_ALU_CONST_CACHE_VS_3:
        case SQ_ALU_CONST_CACHE_VS_4:
        case SQ_ALU_CONST_CACHE_VS_5:
        case SQ_ALU_CONST_CACHE_VS_6:
        case SQ_ALU_CONST_CACHE_VS_7:
        case SQ_ALU_CONST_CACHE_VS_8:
        case SQ_ALU_CONST_CACHE_VS_9:
        case SQ_ALU_CONST_CACHE_VS_10:
        case SQ_ALU_CONST_CACHE_VS_11:
        case SQ_ALU_CONST_CACHE_VS_12:
        case SQ_ALU_CONST_CACHE_VS_13:
        case SQ_ALU_CONST_CACHE_VS_14:
        case SQ_ALU_CONST_CACHE_VS_15:
        case SQ_ALU_CONST_CACHE_HS_0:
        case SQ_ALU_CONST_CACHE_HS_1:
        case SQ_ALU_CONST_CACHE_HS_2:
        case SQ_ALU_CONST_CACHE_HS_3:
        case SQ_ALU_CONST_CACHE_HS_4:
        case SQ_ALU_CONST_CACHE_HS_5:
        case SQ_ALU_CONST_CACHE_HS_6:
        case SQ_ALU_CONST_CACHE_HS_7:
        case SQ_ALU_CONST_CACHE_HS_8:
        case SQ_ALU_CONST_CACHE_HS_9:
        case SQ_ALU_CONST_CACHE_HS_10:
        case SQ_ALU_CONST_CACHE_HS_11:
        case SQ_ALU_CONST_CACHE_HS_12:
        case SQ_ALU_CONST_CACHE_HS_13:
        case SQ_ALU_CONST_CACHE_HS_14:
        case SQ_ALU_CONST_CACHE_HS_15:
        case SQ_ALU_CONST_CACHE_LS_0:
        case SQ_ALU_CONST_CACHE_LS_1:
        case SQ_ALU_CONST_CACHE_LS_2:
        case SQ_ALU_CONST_CACHE_LS_3:
        case SQ_ALU_CONST_CACHE_LS_4:
        case SQ_ALU_CONST_CACHE_LS_5:
        case SQ_ALU_CONST_CACHE_LS_6:
        case SQ_ALU_CONST_CACHE_LS_7:
        case SQ_ALU_CONST_CACHE_LS_8:
        case SQ_ALU_CONST_CACHE_LS_9:
        case SQ_ALU_CONST_CACHE_LS_10:
        case SQ_ALU_CONST_CACHE_LS_11:
        case SQ_ALU_CONST_CACHE_LS_12:
        case SQ_ALU_CONST_CACHE_LS_13:
        case SQ_ALU_CONST_CACHE_LS_14:
        case SQ_ALU_CONST_CACHE_LS_15:
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                break;
        case SX_MEMORY_EXPORT_BASE:
                if (p->rdev->family >= CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONFIG_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONFIG_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                break;
        case CAYMAN_SX_SCATTER_EXPORT_BASE:
                if (p->rdev->family < CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
                                      "0x%04X\n", reg);
                        return -EINVAL;
                }
                ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                break;
        case SX_MISC:
                track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
                break;
        default:
                dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
                return -EINVAL;
        }
        return 0;
}

/**
 * evergreen_is_safe_reg() - check if register is authorized or not
 * @p: parser structure holding parsing context
 * @reg: register we are testing
 *
 * This function will test against reg_safe_bm and return true
 * if register is safe or false otherwise.
 */
static inline bool evergreen_is_safe_reg(struct radeon_cs_parser *p, u32 reg)
{
        struct evergreen_cs_track *track = p->track;
        u32 m, i;

        i = (reg >> 7);
        if (unlikely(i >= REG_SAFE_BM_SIZE)) {
                return false;
        }
        m = 1 << ((reg >> 2) & 31);
        if (!(track->reg_safe_bm[i] & m))
                return true;

        return false;
}

static int evergreen_packet3_check(struct radeon_cs_parser *p,
                                   struct radeon_cs_packet *pkt)
{
        struct radeon_bo_list *reloc;
        struct evergreen_cs_track *track;
        uint32_t *ib;
        unsigned idx;
        unsigned i;
        unsigned start_reg, end_reg, reg;
        int r;
        u32 idx_value;

        track = (struct evergreen_cs_track *)p->track;
        ib = p->ib.ptr;
        idx = pkt->idx + 1;
        idx_value = radeon_get_ib_value(p, idx);

        switch (pkt->opcode) {
        case PACKET3_SET_PREDICATION:
        {
                int pred_op;
                int tmp;
                uint64_t offset;

                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad SET PREDICATION\n");
                        return -EINVAL;
                }

                tmp = radeon_get_ib_value(p, idx + 1);
                pred_op = (tmp >> 16) & 0x7;

                /* for the clear predicate operation */
                if (pred_op == 0)
                        return 0;

                if (pred_op > 2) {
                        dev_warn_once(p->dev, "bad SET PREDICATION operation %d\n", pred_op);
                        return -EINVAL;
                }

                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET PREDICATION\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         (idx_value & 0xfffffff0) +
                         ((u64)(tmp & 0xff) << 32);

                ib[idx + 0] = offset;
                ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
        }
        break;
        case PACKET3_CONTEXT_CONTROL:
                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad CONTEXT_CONTROL\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_INDEX_TYPE:
        case PACKET3_NUM_INSTANCES:
        case PACKET3_CLEAR_STATE:
                if (pkt->count) {
                        dev_warn_once(p->dev, "bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
                        return -EINVAL;
                }
                break;
        case CAYMAN_PACKET3_DEALLOC_STATE:
                if (p->rdev->family < CHIP_CAYMAN) {
                        dev_warn_once(p->dev, "bad PACKET3_DEALLOC_STATE\n");
                        return -EINVAL;
                }
                if (pkt->count) {
                        dev_warn_once(p->dev, "bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_INDEX_BASE:
        {
                uint64_t offset;

                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad INDEX_BASE\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad INDEX_BASE\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         idx_value +
                         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);

                ib[idx+0] = offset;
                ib[idx+1] = upper_32_bits(offset) & 0xff;

                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        }
        case PACKET3_INDEX_BUFFER_SIZE:
        {
                if (pkt->count != 0) {
                        dev_warn_once(p->dev, "bad INDEX_BUFFER_SIZE\n");
                        return -EINVAL;
                }
                break;
        }
        case PACKET3_DRAW_INDEX:
        {
                uint64_t offset;
                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         idx_value +
                         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);

                ib[idx+0] = offset;
                ib[idx+1] = upper_32_bits(offset) & 0xff;

                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        }
        case PACKET3_DRAW_INDEX_2:
        {
                uint64_t offset;

                if (pkt->count != 4) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_2\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_2\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         radeon_get_ib_value(p, idx+1) +
                         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);

                ib[idx+1] = offset;
                ib[idx+2] = upper_32_bits(offset) & 0xff;

                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        }
        case PACKET3_DRAW_INDEX_AUTO:
                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_AUTO\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
                        return r;
                }
                break;
        case PACKET3_DRAW_INDEX_MULTI_AUTO:
                if (pkt->count != 2) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_MULTI_AUTO\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
                        return r;
                }
                break;
        case PACKET3_DRAW_INDEX_IMMD:
                if (pkt->count < 2) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_IMMD\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        case PACKET3_DRAW_INDEX_OFFSET:
                if (pkt->count != 2) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_OFFSET\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        case PACKET3_DRAW_INDEX_OFFSET_2:
                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad DRAW_INDEX_OFFSET_2\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        case PACKET3_SET_BASE:
        {
                /*
                DW 1 HEADER Header of the packet. Shader_Type in bit 1 of the Header will correspond to the shader type of the Load, see Type-3 Packet.
                   2 BASE_INDEX Bits [3:0] BASE_INDEX - Base Index specifies which base address is specified in the last two DWs.
                     0001: DX11 Draw_Index_Indirect Patch Table Base: Base address for Draw_Index_Indirect data.
                   3 ADDRESS_LO Bits [31:3] - Lower bits of QWORD-Aligned Address. Bits [2:0] - Reserved
                   4 ADDRESS_HI Bits [31:8] - Reserved. Bits [7:0] - Upper bits of Address [47:32]
                */
                if (pkt->count != 2) {
                        dev_warn_once(p->dev, "bad SET_BASE\n");
                        return -EINVAL;
                }

                /* currently only supporting setting indirect draw buffer base address */
                if (idx_value != 1) {
                        dev_warn_once(p->dev, "bad SET_BASE\n");
                        return -EINVAL;
                }

                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad SET_BASE\n");
                        return -EINVAL;
                }

                track->indirect_draw_buffer_size = radeon_bo_size(reloc->robj);

                ib[idx+1] = reloc->gpu_offset;
                ib[idx+2] = upper_32_bits(reloc->gpu_offset) & 0xff;

                break;
        }
        case PACKET3_DRAW_INDIRECT:
        case PACKET3_DRAW_INDEX_INDIRECT:
        {
                u64 size = pkt->opcode == PACKET3_DRAW_INDIRECT ? 16 : 20;

                /*
                DW 1 HEADER
                   2 DATA_OFFSET Bits [31:0] + byte aligned offset where the required data structure starts. Bits 1:0 are zero
                   3 DRAW_INITIATOR Draw Initiator Register. Written to the VGT_DRAW_INITIATOR register for the assigned context
                */
                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad DRAW_INDIRECT\n");
                        return -EINVAL;
                }

                if (idx_value + size > track->indirect_draw_buffer_size) {
                        dev_warn_once(p->dev, "DRAW_INDIRECT buffer too small %u + %llu > %lu\n",
                                      idx_value, size, track->indirect_draw_buffer_size);
                        return -EINVAL;
                }

                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        }
        case PACKET3_DISPATCH_DIRECT:
                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad DISPATCH_DIRECT\n");
                        return -EINVAL;
                }
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
                        return r;
                }
                break;
        case PACKET3_DISPATCH_INDIRECT:
                if (pkt->count != 1) {
                        dev_warn_once(p->dev, "bad DISPATCH_INDIRECT\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad DISPATCH_INDIRECT\n");
                        return -EINVAL;
                }
                ib[idx+0] = idx_value + (u32)(reloc->gpu_offset & 0xffffffff);
                r = evergreen_cs_track_check(p);
                if (r) {
                        dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
                        return r;
                }
                break;
        case PACKET3_WAIT_REG_MEM:
                if (pkt->count != 5) {
                        dev_warn_once(p->dev, "bad WAIT_REG_MEM\n");
                        return -EINVAL;
                }
                /* bit 4 is reg (0) or mem (1) */
                if (idx_value & 0x10) {
                        uint64_t offset;

                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad WAIT_REG_MEM\n");
                                return -EINVAL;
                        }

                        offset = reloc->gpu_offset +
                                 (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
                                 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);

                        ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffffc);
                        ib[idx+2] = upper_32_bits(offset) & 0xff;
                } else if (idx_value & 0x100) {
                        dev_warn_once(p->dev, "cannot use PFP on REG wait\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_CP_DMA:
        {
                u32 command, size, info;
                u64 offset, tmp;
                if (pkt->count != 4) {
                        dev_warn_once(p->dev, "bad CP DMA\n");
                        return -EINVAL;
                }
                command = radeon_get_ib_value(p, idx+4);
                size = command & 0x1fffff;
                info = radeon_get_ib_value(p, idx+1);
                if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
                    (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
                    ((((info & 0x00300000) >> 20) == 0) &&
                     (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
                    ((((info & 0x60000000) >> 29) == 0) &&
                     (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
                        /* non mem to mem copies requires dw aligned count */
                        if (size % 4) {
                                dev_warn_once(p->dev, "CP DMA command requires dw count alignment\n");
                                return -EINVAL;
                        }
                }
                if (command & PACKET3_CP_DMA_CMD_SAS) {
                        /* src address space is register */
                        /* GDS is ok */
                        if (((info & 0x60000000) >> 29) != 1) {
                                dev_warn_once(p->dev, "CP DMA SAS not supported\n");
                                return -EINVAL;
                        }
                } else {
                        if (command & PACKET3_CP_DMA_CMD_SAIC) {
                                dev_warn_once(p->dev, "CP DMA SAIC only supported for registers\n");
                                return -EINVAL;
                        }
                        /* src address space is memory */
                        if (((info & 0x60000000) >> 29) == 0) {
                                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                                if (r) {
                                        dev_warn_once(p->dev, "bad CP DMA SRC\n");
                                        return -EINVAL;
                                }

                                tmp = radeon_get_ib_value(p, idx) +
                                        ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);

                                offset = reloc->gpu_offset + tmp;

                                if ((tmp + size) > radeon_bo_size(reloc->robj)) {
                                        dev_warn_once(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
                                                      tmp + size, radeon_bo_size(reloc->robj));
                                        return -EINVAL;
                                }

                                ib[idx] = offset;
                                ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
                        } else if (((info & 0x60000000) >> 29) != 2) {
                                dev_warn_once(p->dev, "bad CP DMA SRC_SEL\n");
                                return -EINVAL;
                        }
                }
                if (command & PACKET3_CP_DMA_CMD_DAS) {
                        /* dst address space is register */
                        /* GDS is ok */
                        if (((info & 0x00300000) >> 20) != 1) {
                                dev_warn_once(p->dev, "CP DMA DAS not supported\n");
                                return -EINVAL;
                        }
                } else {
                        /* dst address space is memory */
                        if (command & PACKET3_CP_DMA_CMD_DAIC) {
                                dev_warn_once(p->dev, "CP DMA DAIC only supported for registers\n");
                                return -EINVAL;
                        }
                        if (((info & 0x00300000) >> 20) == 0) {
                                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                                if (r) {
                                        dev_warn_once(p->dev, "bad CP DMA DST\n");
                                        return -EINVAL;
                                }

                                tmp = radeon_get_ib_value(p, idx+2) +
                                        ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);

                                offset = reloc->gpu_offset + tmp;

                                if ((tmp + size) > radeon_bo_size(reloc->robj)) {
                                        dev_warn_once(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
                                                      tmp + size, radeon_bo_size(reloc->robj));
                                        return -EINVAL;
                                }

                                ib[idx+2] = offset;
                                ib[idx+3] = upper_32_bits(offset) & 0xff;
                        } else {
                                dev_warn_once(p->dev, "bad CP DMA DST_SEL\n");
                                return -EINVAL;
                        }
                }
                break;
        }
        case PACKET3_PFP_SYNC_ME:
                if (pkt->count) {
                        dev_warn_once(p->dev, "bad PFP_SYNC_ME\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_SURFACE_SYNC:
                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad SURFACE_SYNC\n");
                        return -EINVAL;
                }
                /* 0xffffffff/0x0 is flush all cache flag */
                if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
                    radeon_get_ib_value(p, idx + 2) != 0) {
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad SURFACE_SYNC\n");
                                return -EINVAL;
                        }
                        ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                }
                break;
        case PACKET3_EVENT_WRITE:
                if (pkt->count != 2 && pkt->count != 0) {
                        dev_warn_once(p->dev, "bad EVENT_WRITE\n");
                        return -EINVAL;
                }
                if (pkt->count) {
                        uint64_t offset;

                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad EVENT_WRITE\n");
                                return -EINVAL;
                        }
                        offset = reloc->gpu_offset +
                                 (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
                                 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);

                        ib[idx+1] = offset & 0xfffffff8;
                        ib[idx+2] = upper_32_bits(offset) & 0xff;
                }
                break;
        case PACKET3_EVENT_WRITE_EOP:
        {
                uint64_t offset;

                if (pkt->count != 4) {
                        dev_warn_once(p->dev, "bad EVENT_WRITE_EOP\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad EVENT_WRITE_EOP\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
                         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);

                ib[idx+1] = offset & 0xfffffffc;
                ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
                break;
        }
        case PACKET3_EVENT_WRITE_EOS:
        {
                uint64_t offset;

                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad EVENT_WRITE_EOS\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad EVENT_WRITE_EOS\n");
                        return -EINVAL;
                }

                offset = reloc->gpu_offset +
                         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
                         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);

                ib[idx+1] = offset & 0xfffffffc;
                ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
                break;
        }
        case PACKET3_SET_CONFIG_REG:
                start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
                    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
                    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
                        dev_warn_once(p->dev, "bad PACKET3_SET_CONFIG_REG\n");
                        return -EINVAL;
                }
                for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
                        if (evergreen_is_safe_reg(p, reg))
                                continue;
                        r = evergreen_cs_handle_reg(p, reg, idx);
                        if (r)
                                return r;
                }
                break;
        case PACKET3_SET_CONTEXT_REG:
                start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_CONTEXT_REG_START) ||
                    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
                    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
                        dev_warn_once(p->dev, "bad PACKET3_SET_CONTEXT_REG\n");
                        return -EINVAL;
                }
                for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
                        if (evergreen_is_safe_reg(p, reg))
                                continue;
                        r = evergreen_cs_handle_reg(p, reg, idx);
                        if (r)
                                return r;
                }
                break;
        case PACKET3_SET_RESOURCE:
                if (pkt->count % 8) {
                        dev_warn_once(p->dev, "bad SET_RESOURCE\n");
                        return -EINVAL;
                }
                start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_RESOURCE_START) ||
                    (start_reg >= PACKET3_SET_RESOURCE_END) ||
                    (end_reg >= PACKET3_SET_RESOURCE_END)) {
                        dev_warn_once(p->dev, "bad SET_RESOURCE\n");
                        return -EINVAL;
                }
                for (i = 0; i < (pkt->count / 8); i++) {
                        struct radeon_bo *texture, *mipmap;
                        u32 toffset, moffset;
                        u32 size, offset, mip_address, tex_dim;

                        switch (G__SQ_CONSTANT_TYPE(radeon_get_ib_value(p, idx+1+(i*8)+7))) {
                        case SQ_TEX_VTX_VALID_TEXTURE:
                                /* tex base */
                                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                                if (r) {
                                        dev_warn_once(p->dev, "bad SET_RESOURCE (tex)\n");
                                        return -EINVAL;
                                }
                                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
                                        ib[idx+1+(i*8)+1] |=
                                                TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
                                        if (reloc->tiling_flags & RADEON_TILING_MACRO) {
                                                unsigned bankw, bankh, mtaspect, tile_split;

                                                evergreen_tiling_fields(reloc->tiling_flags,
                                                                        &bankw, &bankh, &mtaspect,
                                                                        &tile_split);
                                                ib[idx+1+(i*8)+6] |= TEX_TILE_SPLIT(tile_split);
                                                ib[idx+1+(i*8)+7] |=
                                                        TEX_BANK_WIDTH(bankw) |
                                                        TEX_BANK_HEIGHT(bankh) |
                                                        MACRO_TILE_ASPECT(mtaspect) |
                                                        TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
                                        }
                                }
                                texture = reloc->robj;
                                toffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);

                                /* tex mip base */
                                tex_dim = ib[idx+1+(i*8)+0] & 0x7;
                                mip_address = ib[idx+1+(i*8)+3];

                                if ((tex_dim == SQ_TEX_DIM_2D_MSAA || tex_dim == SQ_TEX_DIM_2D_ARRAY_MSAA) &&
                                    !mip_address &&
                                    !radeon_cs_packet_next_is_pkt3_nop(p)) {
                                        /* MIP_ADDRESS should point to FMASK for an MSAA texture.
                                         * It should be 0 if FMASK is disabled. */
                                        moffset = 0;
                                        mipmap = NULL;
                                } else {
                                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                                        if (r) {
                                                dev_warn_once(p->dev, "bad SET_RESOURCE (tex)\n");
                                                return -EINVAL;
                                        }
                                        moffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
                                        mipmap = reloc->robj;
                                }

                                r = evergreen_cs_track_validate_texture(p, texture, mipmap, idx+1+(i*8));
                                if (r)
                                        return r;
                                ib[idx+1+(i*8)+2] += toffset;
                                ib[idx+1+(i*8)+3] += moffset;
                                break;
                        case SQ_TEX_VTX_VALID_BUFFER:
                        {
                                uint64_t offset64;
                                /* vtx base */
                                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                                if (r) {
                                        dev_warn_once(p->dev, "bad SET_RESOURCE (vtx)\n");
                                        return -EINVAL;
                                }
                                offset = radeon_get_ib_value(p, idx+1+(i*8)+0);
                                size = radeon_get_ib_value(p, idx+1+(i*8)+1);
                                if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
                                        /* force size to size of the buffer */
                                        dev_warn_once(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
                                                      size + offset, radeon_bo_size(reloc->robj));
                                        ib[idx+1+(i*8)+1] = radeon_bo_size(reloc->robj) - offset;
                                }

                                offset64 = reloc->gpu_offset + offset;
                                ib[idx+1+(i*8)+0] = offset64;
                                ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
                                                    (upper_32_bits(offset64) & 0xff);
                                break;
                        }
                        case SQ_TEX_VTX_INVALID_TEXTURE:
                        case SQ_TEX_VTX_INVALID_BUFFER:
                        default:
                                dev_warn_once(p->dev, "bad SET_RESOURCE\n");
                                return -EINVAL;
                        }
                }
                break;
        case PACKET3_SET_ALU_CONST:
                /* XXX fix me ALU const buffers only */
                break;
        case PACKET3_SET_BOOL_CONST:
                start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_BOOL_CONST_START) ||
                    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
                    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
                        dev_warn_once(p->dev, "bad SET_BOOL_CONST\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_SET_LOOP_CONST:
                start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_LOOP_CONST_START) ||
                    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
                    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
                        dev_warn_once(p->dev, "bad SET_LOOP_CONST\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_SET_CTL_CONST:
                start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_CTL_CONST_START) ||
                    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
                    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
                        dev_warn_once(p->dev, "bad SET_CTL_CONST\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_SET_SAMPLER:
                if (pkt->count % 3) {
                        dev_warn_once(p->dev, "bad SET_SAMPLER\n");
                        return -EINVAL;
                }
                start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_SAMPLER_START) ||
                    (start_reg >= PACKET3_SET_SAMPLER_END) ||
                    (end_reg >= PACKET3_SET_SAMPLER_END)) {
                        dev_warn_once(p->dev, "bad SET_SAMPLER\n");
                        return -EINVAL;
                }
                break;
        case PACKET3_STRMOUT_BUFFER_UPDATE:
                if (pkt->count != 4) {
                        dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
                        return -EINVAL;
                }
                /* Updating memory at DST_ADDRESS. */
                if (idx_value & 0x1) {
                        u64 offset;
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx+1);
                        offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
                        if ((offset + 4) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
                                              offset + 4, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx+1] = offset;
                        ib[idx+2] = upper_32_bits(offset) & 0xff;
                }
                /* Reading data from SRC_ADDRESS. */
                if (((idx_value >> 1) & 0x3) == 2) {
                        u64 offset;
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx+3);
                        offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
                        if ((offset + 4) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
                                              offset + 4, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx+3] = offset;
                        ib[idx+4] = upper_32_bits(offset) & 0xff;
                }
                break;
        case PACKET3_MEM_WRITE:
        {
                u64 offset;

                if (pkt->count != 3) {
                        dev_warn_once(p->dev, "bad MEM_WRITE (invalid count)\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad MEM_WRITE (missing reloc)\n");
                        return -EINVAL;
                }
                offset = radeon_get_ib_value(p, idx+0);
                offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
                if (offset & 0x7) {
                        dev_warn_once(p->dev, "bad MEM_WRITE (address not qwords aligned)\n");
                        return -EINVAL;
                }
                if ((offset + 8) > radeon_bo_size(reloc->robj)) {
                        dev_warn_once(p->dev, "bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
                                      offset + 8, radeon_bo_size(reloc->robj));
                        return -EINVAL;
                }
                offset += reloc->gpu_offset;
                ib[idx+0] = offset;
                ib[idx+1] = upper_32_bits(offset) & 0xff;
                break;
        }
        case PACKET3_COPY_DW:
                if (pkt->count != 4) {
                        dev_warn_once(p->dev, "bad COPY_DW (invalid count)\n");
                        return -EINVAL;
                }
                if (idx_value & 0x1) {
                        u64 offset;
                        /* SRC is memory. */
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad COPY_DW (missing src reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx+1);
                        offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
                        if ((offset + 4) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
                                              offset + 4, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx+1] = offset;
                        ib[idx+2] = upper_32_bits(offset) & 0xff;
                } else {
                        /* SRC is a reg. */
                        reg = radeon_get_ib_value(p, idx+1) << 2;
                        if (!evergreen_is_safe_reg(p, reg)) {
                                dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n",
                                              reg, idx + 1);
                                return -EINVAL;
                        }
                }
                if (idx_value & 0x2) {
                        u64 offset;
                        /* DST is memory. */
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad COPY_DW (missing dst reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx+3);
                        offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
                        if ((offset + 4) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
                                              offset + 4, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx+3] = offset;
                        ib[idx+4] = upper_32_bits(offset) & 0xff;
                } else {
                        /* DST is a reg. */
                        reg = radeon_get_ib_value(p, idx+3) << 2;
                        if (!evergreen_is_safe_reg(p, reg)) {
                                dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n",
                                              reg, idx + 3);
                                return -EINVAL;
                        }
                }
                break;
        case PACKET3_SET_APPEND_CNT:
        {
                uint32_t areg;
                uint32_t allowed_reg_base;
                uint32_t source_sel;
                if (pkt->count != 2) {
                        dev_warn_once(p->dev, "bad SET_APPEND_CNT (invalid count)\n");
                        return -EINVAL;
                }

                allowed_reg_base = GDS_APPEND_COUNT_0;
                allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
                allowed_reg_base >>= 2;

                areg = idx_value >> 16;
                if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
                        dev_warn_once(p->dev, "forbidden register for append cnt 0x%08x at %d\n",
                                      areg, idx);
                        return -EINVAL;
                }

                source_sel = G_PACKET3_SET_APPEND_CNT_SRC_SELECT(idx_value);
                if (source_sel == PACKET3_SAC_SRC_SEL_MEM) {
                        uint64_t offset;
                        uint32_t swap;
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad SET_APPEND_CNT (missing reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx + 1);
                        swap = offset & 0x3;
                        offset &= ~0x3;

                        offset += ((u64)(radeon_get_ib_value(p, idx + 2) & 0xff)) << 32;

                        offset += reloc->gpu_offset;
                        ib[idx+1] = (offset & 0xfffffffc) | swap;
                        ib[idx+2] = upper_32_bits(offset) & 0xff;
                } else {
                        dev_warn_once(p->dev, "bad SET_APPEND_CNT (unsupported operation)\n");
                        return -EINVAL;
                }
                break;
        }
        case PACKET3_COND_EXEC:
        {
                u64 offset;

                if (pkt->count != 2) {
                        dev_warn_once(p->dev, "bad COND_EXEC (invalid count)\n");
                        return -EINVAL;
                }
                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                if (r) {
                        dev_warn_once(p->dev, "bad COND_EXEC (missing reloc)\n");
                        return -EINVAL;
                }
                offset = radeon_get_ib_value(p, idx + 0);
                offset += ((u64)(radeon_get_ib_value(p, idx + 1) & 0xff)) << 32UL;
                if (offset & 0x7) {
                        dev_warn_once(p->dev, "bad COND_EXEC (address not qwords aligned)\n");
                        return -EINVAL;
                }
                if ((offset + 8) > radeon_bo_size(reloc->robj)) {
                        dev_warn_once(p->dev, "bad COND_EXEC bo too small: 0x%llx, 0x%lx\n",
                                      offset + 8, radeon_bo_size(reloc->robj));
                        return -EINVAL;
                }
                offset += reloc->gpu_offset;
                ib[idx + 0] = offset;
                ib[idx + 1] = upper_32_bits(offset) & 0xff;
                break;
        }
        case PACKET3_COND_WRITE:
                if (pkt->count != 7) {
                        dev_warn_once(p->dev, "bad COND_WRITE (invalid count)\n");
                        return -EINVAL;
                }
                if (idx_value & 0x10) {
                        u64 offset;
                        /* POLL is memory. */
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad COND_WRITE (missing src reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx + 1);
                        offset += ((u64)(radeon_get_ib_value(p, idx + 2) & 0xff)) << 32;
                        if ((offset + 8) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad COND_WRITE src bo too small: 0x%llx, 0x%lx\n",
                                              offset + 8, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx + 1] = offset;
                        ib[idx + 2] = upper_32_bits(offset) & 0xff;
                } else {
                        /* POLL is a reg. */
                        reg = radeon_get_ib_value(p, idx + 1) << 2;
                        if (!evergreen_is_safe_reg(p, reg)) {
                                dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n",
                                              reg, idx + 1);
                                return -EINVAL;
                        }
                }
                if (idx_value & 0x100) {
                        u64 offset;
                        /* WRITE is memory. */
                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
                        if (r) {
                                dev_warn_once(p->dev, "bad COND_WRITE (missing dst reloc)\n");
                                return -EINVAL;
                        }
                        offset = radeon_get_ib_value(p, idx + 5);
                        offset += ((u64)(radeon_get_ib_value(p, idx + 6) & 0xff)) << 32;
                        if ((offset + 8) > radeon_bo_size(reloc->robj)) {
                                dev_warn_once(p->dev, "bad COND_WRITE dst bo too small: 0x%llx, 0x%lx\n",
                                              offset + 8, radeon_bo_size(reloc->robj));
                                return -EINVAL;
                        }
                        offset += reloc->gpu_offset;
                        ib[idx + 5] = offset;
                        ib[idx + 6] = upper_32_bits(offset) & 0xff;
                } else {
                        /* WRITE is a reg. */
                        reg = radeon_get_ib_value(p, idx + 5) << 2;
                        if (!evergreen_is_safe_reg(p, reg)) {
                                dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n",
                                              reg, idx + 5);
                                return -EINVAL;
                        }
                }
                break;
        case PACKET3_NOP:
                break;
        default:
                dev_warn_once(p->dev, "Packet3 opcode %x not supported\n", pkt->opcode);
                return -EINVAL;
        }
        return 0;
}

int evergreen_cs_parse(struct radeon_cs_parser *p)
{
        struct radeon_cs_packet pkt;
        struct evergreen_cs_track *track;
        u32 tmp;
        int r;

        if (p->track == NULL) {
                /* initialize tracker, we are in kms */
                track = kzalloc_obj(*track);
                if (track == NULL)
                        return -ENOMEM;
                evergreen_cs_track_init(track);
                if (p->rdev->family >= CHIP_CAYMAN) {
                        tmp = p->rdev->config.cayman.tile_config;
                        track->reg_safe_bm = cayman_reg_safe_bm;
                } else {
                        tmp = p->rdev->config.evergreen.tile_config;
                        track->reg_safe_bm = evergreen_reg_safe_bm;
                }
                BUILD_BUG_ON(ARRAY_SIZE(cayman_reg_safe_bm) != REG_SAFE_BM_SIZE);
                BUILD_BUG_ON(ARRAY_SIZE(evergreen_reg_safe_bm) != REG_SAFE_BM_SIZE);
                switch (tmp & 0xf) {
                case 0:
                        track->npipes = 1;
                        break;
                case 1:
                default:
                        track->npipes = 2;
                        break;
                case 2:
                        track->npipes = 4;
                        break;
                case 3:
                        track->npipes = 8;
                        break;
                }

                switch ((tmp & 0xf0) >> 4) {
                case 0:
                        track->nbanks = 4;
                        break;
                case 1:
                default:
                        track->nbanks = 8;
                        break;
                case 2:
                        track->nbanks = 16;
                        break;
                }

                switch ((tmp & 0xf00) >> 8) {
                case 0:
                        track->group_size = 256;
                        break;
                case 1:
                default:
                        track->group_size = 512;
                        break;
                }

                switch ((tmp & 0xf000) >> 12) {
                case 0:
                        track->row_size = 1;
                        break;
                case 1:
                default:
                        track->row_size = 2;
                        break;
                case 2:
                        track->row_size = 4;
                        break;
                }

                p->track = track;
        }
        do {
                r = radeon_cs_packet_parse(p, &pkt, p->idx);
                if (r) {
                        kfree(p->track);
                        p->track = NULL;
                        return r;
                }
                p->idx += pkt.count + 2;
                switch (pkt.type) {
                case RADEON_PACKET_TYPE0:
                        r = evergreen_cs_parse_packet0(p, &pkt);
                        break;
                case RADEON_PACKET_TYPE2:
                        break;
                case RADEON_PACKET_TYPE3:
                        r = evergreen_packet3_check(p, &pkt);
                        break;
                default:
                        dev_warn_once(p->dev, "Unknown packet type %d !\n", pkt.type);
                        kfree(p->track);
                        p->track = NULL;
                        return -EINVAL;
                }
                if (r) {
                        kfree(p->track);
                        p->track = NULL;
                        return r;
                }
        } while (p->idx < p->chunk_ib->length_dw);
#if 0
        for (r = 0; r < p->ib.length_dw; r++) {
                pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
                mdelay(1);
        }
#endif
        kfree(p->track);
        p->track = NULL;
        return 0;
}

/**
 * evergreen_dma_cs_parse() - parse the DMA IB
 * @p:          parser structure holding parsing context.
 *
 * Parses the DMA IB from the CS ioctl and updates
 * the GPU addresses based on the reloc information and
 * checks for errors. (Evergreen-Cayman)
 * Returns 0 for success and an error on failure.
 **/
int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
{
        struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
        struct radeon_bo_list *src_reloc, *dst_reloc, *dst2_reloc;
        u32 header, cmd, count, sub_cmd;
        uint32_t *ib = p->ib.ptr;
        u32 idx;
        u64 src_offset, dst_offset, dst2_offset;
        int r;

        do {
                if (p->idx >= ib_chunk->length_dw) {
                        dev_warn_once(p->dev, "Can not parse packet at %d after CS end %d !\n",
                                      p->idx, ib_chunk->length_dw);
                        return -EINVAL;
                }
                idx = p->idx;
                header = radeon_get_ib_value(p, idx);
                cmd = GET_DMA_CMD(header);
                count = GET_DMA_COUNT(header);
                sub_cmd = GET_DMA_SUB_CMD(header);

                switch (cmd) {
                case DMA_PACKET_WRITE:
                        r = r600_dma_cs_next_reloc(p, &dst_reloc);
                        if (r) {
                                dev_warn_once(p->dev, "bad DMA_PACKET_WRITE\n");
                                return -EINVAL;
                        }
                        switch (sub_cmd) {
                        /* tiled */
                        case 8:
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset <<= 8;

                                ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                p->idx += count + 7;
                                break;
                        /* linear */
                        case 0:
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;

                                ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                p->idx += count + 3;
                                break;
                        default:
                                dev_warn_once(p->dev, "bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, header);
                                return -EINVAL;
                        }
                        if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                dev_warn_once(p->dev, "DMA write buffer too small (%llu %lu)\n",
                                              dst_offset, radeon_bo_size(dst_reloc->robj));
                                return -EINVAL;
                        }
                        break;
                case DMA_PACKET_COPY:
                        r = r600_dma_cs_next_reloc(p, &src_reloc);
                        if (r) {
                                dev_warn_once(p->dev, "bad DMA_PACKET_COPY\n");
                                return -EINVAL;
                        }
                        r = r600_dma_cs_next_reloc(p, &dst_reloc);
                        if (r) {
                                dev_warn_once(p->dev, "bad DMA_PACKET_COPY\n");
                                return -EINVAL;
                        }
                        switch (sub_cmd) {
                        /* Copy L2L, DW aligned */
                        case 0x00:
                                /* L2L, dw */
                                src_offset = radeon_get_ib_value(p, idx+2);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, dw dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 5;
                                break;
                        /* Copy L2T/T2L */
                        case 0x08:
                                /* detile bit */
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        /* tiled src, linear dst */
                                        src_offset = radeon_get_ib_value(p, idx+1);
                                        src_offset <<= 8;
                                        ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);

                                        dst_offset = radeon_get_ib_value(p, idx + 7);
                                        dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
                                        ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                } else {
                                        /* linear src, tiled dst */
                                        src_offset = radeon_get_ib_value(p, idx+7);
                                        src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
                                        ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;

                                        dst_offset = radeon_get_ib_value(p, idx+1);
                                        dst_offset <<= 8;
                                        ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                }
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                p->idx += 9;
                                break;
                        /* Copy L2L, byte aligned */
                        case 0x40:
                                /* L2L, byte */
                                src_offset = radeon_get_ib_value(p, idx+2);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
                                if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n",
                                                      src_offset + count, radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + count) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, byte dst buffer too small (%llu %lu)\n",
                                                      dst_offset + count, radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
                                ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xffffffff);
                                ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 5;
                                break;
                        /* Copy L2L, partial */
                        case 0x41:
                                /* L2L, partial */
                                if (p->family < CHIP_CAYMAN) {
                                        dev_warn_once(p->dev, "L2L Partial is cayman only !\n");
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(src_reloc->gpu_offset & 0xffffffff);
                                ib[idx+2] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                ib[idx+4] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
                                ib[idx+5] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;

                                p->idx += 9;
                                break;
                        /* Copy L2L, DW aligned, broadcast */
                        case 0x44:
                                /* L2L, dw, broadcast */
                                r = r600_dma_cs_next_reloc(p, &dst2_reloc);
                                if (r) {
                                        dev_warn_once(p->dev, "bad L2L, dw, broadcast DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
                                dst2_offset = radeon_get_ib_value(p, idx+2);
                                dst2_offset |= ((u64)(radeon_get_ib_value(p, idx+5) & 0xff)) << 32;
                                src_offset = radeon_get_ib_value(p, idx+3);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, dw, broadcast dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2L, dw, broadcast dst2 buffer too small (%llu %lu)\n",
                                                      dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+2] += (u32)(dst2_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+3] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+4] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                ib[idx+5] += upper_32_bits(dst2_reloc->gpu_offset) & 0xff;
                                ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 7;
                                break;
                        /* Copy L2T Frame to Field */
                        case 0x48:
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        dev_warn_once(p->dev, "bad L2T, frame to fields DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                r = r600_dma_cs_next_reloc(p, &dst2_reloc);
                                if (r) {
                                        dev_warn_once(p->dev, "bad L2T, frame to fields DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset <<= 8;
                                dst2_offset = radeon_get_ib_value(p, idx+2);
                                dst2_offset <<= 8;
                                src_offset = radeon_get_ib_value(p, idx+8);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
                                                      dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
                                ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 10;
                                break;
                        /* Copy L2T/T2L, partial */
                        case 0x49:
                                /* L2T, T2L partial */
                                if (p->family < CHIP_CAYMAN) {
                                        dev_warn_once(p->dev, "L2T, T2L Partial is cayman only !\n");
                                        return -EINVAL;
                                }
                                /* detile bit */
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        /* tiled src, linear dst */
                                        ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);

                                        ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                } else {
                                        /* linear src, tiled dst */
                                        ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;

                                        ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                }
                                p->idx += 12;
                                break;
                        /* Copy L2T broadcast */
                        case 0x4b:
                                /* L2T, broadcast */
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        dev_warn_once(p->dev, "bad L2T, broadcast DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                r = r600_dma_cs_next_reloc(p, &dst2_reloc);
                                if (r) {
                                        dev_warn_once(p->dev, "bad L2T, broadcast DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset <<= 8;
                                dst2_offset = radeon_get_ib_value(p, idx+2);
                                dst2_offset <<= 8;
                                src_offset = radeon_get_ib_value(p, idx+8);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
                                                      dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
                                ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 10;
                                break;
                        /* Copy L2T/T2L (tile units) */
                        case 0x4c:
                                /* L2T, T2L */
                                /* detile bit */
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        /* tiled src, linear dst */
                                        src_offset = radeon_get_ib_value(p, idx+1);
                                        src_offset <<= 8;
                                        ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);

                                        dst_offset = radeon_get_ib_value(p, idx+7);
                                        dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
                                        ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
                                } else {
                                        /* linear src, tiled dst */
                                        src_offset = radeon_get_ib_value(p, idx+7);
                                        src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
                                        ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                        ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;

                                        dst_offset = radeon_get_ib_value(p, idx+1);
                                        dst_offset <<= 8;
                                        ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                }
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, T2L src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, T2L dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                p->idx += 9;
                                break;
                        /* Copy T2T, partial (tile units) */
                        case 0x4d:
                                /* T2T partial */
                                if (p->family < CHIP_CAYMAN) {
                                        dev_warn_once(p->dev, "L2T, T2L Partial is cayman only !\n");
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
                                ib[idx+4] += (u32)(dst_reloc->gpu_offset >> 8);
                                p->idx += 13;
                                break;
                        /* Copy L2T broadcast (tile units) */
                        case 0x4f:
                                /* L2T, broadcast */
                                if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
                                        dev_warn_once(p->dev, "bad L2T, broadcast DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                r = r600_dma_cs_next_reloc(p, &dst2_reloc);
                                if (r) {
                                        dev_warn_once(p->dev, "bad L2T, broadcast DMA_PACKET_COPY\n");
                                        return -EINVAL;
                                }
                                dst_offset = radeon_get_ib_value(p, idx+1);
                                dst_offset <<= 8;
                                dst2_offset = radeon_get_ib_value(p, idx+2);
                                dst2_offset <<= 8;
                                src_offset = radeon_get_ib_value(p, idx+8);
                                src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
                                if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
                                                      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
                                                      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
                                        return -EINVAL;
                                }
                                if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
                                        dev_warn_once(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
                                                      dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
                                        return -EINVAL;
                                }
                                ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
                                ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
                                ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
                                ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
                                p->idx += 10;
                                break;
                        default:
                                dev_warn_once(p->dev, "bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, header);
                                return -EINVAL;
                        }
                        break;
                case DMA_PACKET_CONSTANT_FILL:
                        r = r600_dma_cs_next_reloc(p, &dst_reloc);
                        if (r) {
                                dev_warn_once(p->dev, "bad DMA_PACKET_CONSTANT_FILL\n");
                                return -EINVAL;
                        }
                        dst_offset = radeon_get_ib_value(p, idx+1);
                        dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
                        if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
                                dev_warn_once(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
                                              dst_offset, radeon_bo_size(dst_reloc->robj));
                                return -EINVAL;
                        }
                        ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
                        ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
                        p->idx += 4;
                        break;
                case DMA_PACKET_NOP:
                        p->idx += 1;
                        break;
                default:
                        dev_warn_once(p->dev, "Unknown packet type %d at %d !\n", cmd, idx);
                        return -EINVAL;
                }
        } while (p->idx < p->chunk_ib->length_dw);
#if 0
        for (r = 0; r < p->ib->length_dw; r++) {
                pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
                mdelay(1);
        }
#endif
        return 0;
}

/* vm parser */
static bool evergreen_vm_reg_valid(u32 reg)
{
        /* context regs are fine */
        if (reg >= 0x28000)
                return true;

        /* check config regs */
        switch (reg) {
        case WAIT_UNTIL:
        case GRBM_GFX_INDEX:
        case CP_STRMOUT_CNTL:
        case CP_COHER_CNTL:
        case CP_COHER_SIZE:
        case VGT_VTX_VECT_EJECT_REG:
        case VGT_CACHE_INVALIDATION:
        case VGT_GS_VERTEX_REUSE:
        case VGT_PRIMITIVE_TYPE:
        case VGT_INDEX_TYPE:
        case VGT_NUM_INDICES:
        case VGT_NUM_INSTANCES:
        case VGT_COMPUTE_DIM_X:
        case VGT_COMPUTE_DIM_Y:
        case VGT_COMPUTE_DIM_Z:
        case VGT_COMPUTE_START_X:
        case VGT_COMPUTE_START_Y:
        case VGT_COMPUTE_START_Z:
        case VGT_COMPUTE_INDEX:
        case VGT_COMPUTE_THREAD_GROUP_SIZE:
        case VGT_HS_OFFCHIP_PARAM:
        case PA_CL_ENHANCE:
        case PA_SU_LINE_STIPPLE_VALUE:
        case PA_SC_LINE_STIPPLE_STATE:
        case PA_SC_ENHANCE:
        case SQ_DYN_GPR_CNTL_PS_FLUSH_REQ:
        case SQ_DYN_GPR_SIMD_LOCK_EN:
        case SQ_CONFIG:
        case SQ_GPR_RESOURCE_MGMT_1:
        case SQ_GLOBAL_GPR_RESOURCE_MGMT_1:
        case SQ_GLOBAL_GPR_RESOURCE_MGMT_2:
        case SQ_CONST_MEM_BASE:
        case SQ_STATIC_THREAD_MGMT_1:
        case SQ_STATIC_THREAD_MGMT_2:
        case SQ_STATIC_THREAD_MGMT_3:
        case SPI_CONFIG_CNTL:
        case SPI_CONFIG_CNTL_1:
        case TA_CNTL_AUX:
        case DB_DEBUG:
        case DB_DEBUG2:
        case DB_DEBUG3:
        case DB_DEBUG4:
        case DB_WATERMARKS:
        case TD_PS_BORDER_COLOR_INDEX:
        case TD_PS_BORDER_COLOR_RED:
        case TD_PS_BORDER_COLOR_GREEN:
        case TD_PS_BORDER_COLOR_BLUE:
        case TD_PS_BORDER_COLOR_ALPHA:
        case TD_VS_BORDER_COLOR_INDEX:
        case TD_VS_BORDER_COLOR_RED:
        case TD_VS_BORDER_COLOR_GREEN:
        case TD_VS_BORDER_COLOR_BLUE:
        case TD_VS_BORDER_COLOR_ALPHA:
        case TD_GS_BORDER_COLOR_INDEX:
        case TD_GS_BORDER_COLOR_RED:
        case TD_GS_BORDER_COLOR_GREEN:
        case TD_GS_BORDER_COLOR_BLUE:
        case TD_GS_BORDER_COLOR_ALPHA:
        case TD_HS_BORDER_COLOR_INDEX:
        case TD_HS_BORDER_COLOR_RED:
        case TD_HS_BORDER_COLOR_GREEN:
        case TD_HS_BORDER_COLOR_BLUE:
        case TD_HS_BORDER_COLOR_ALPHA:
        case TD_LS_BORDER_COLOR_INDEX:
        case TD_LS_BORDER_COLOR_RED:
        case TD_LS_BORDER_COLOR_GREEN:
        case TD_LS_BORDER_COLOR_BLUE:
        case TD_LS_BORDER_COLOR_ALPHA:
        case TD_CS_BORDER_COLOR_INDEX:
        case TD_CS_BORDER_COLOR_RED:
        case TD_CS_BORDER_COLOR_GREEN:
        case TD_CS_BORDER_COLOR_BLUE:
        case TD_CS_BORDER_COLOR_ALPHA:
        case SQ_ESGS_RING_SIZE:
        case SQ_GSVS_RING_SIZE:
        case SQ_ESTMP_RING_SIZE:
        case SQ_GSTMP_RING_SIZE:
        case SQ_HSTMP_RING_SIZE:
        case SQ_LSTMP_RING_SIZE:
        case SQ_PSTMP_RING_SIZE:
        case SQ_VSTMP_RING_SIZE:
        case SQ_ESGS_RING_ITEMSIZE:
        case SQ_ESTMP_RING_ITEMSIZE:
        case SQ_GSTMP_RING_ITEMSIZE:
        case SQ_GSVS_RING_ITEMSIZE:
        case SQ_GS_VERT_ITEMSIZE:
        case SQ_GS_VERT_ITEMSIZE_1:
        case SQ_GS_VERT_ITEMSIZE_2:
        case SQ_GS_VERT_ITEMSIZE_3:
        case SQ_GSVS_RING_OFFSET_1:
        case SQ_GSVS_RING_OFFSET_2:
        case SQ_GSVS_RING_OFFSET_3:
        case SQ_HSTMP_RING_ITEMSIZE:
        case SQ_LSTMP_RING_ITEMSIZE:
        case SQ_PSTMP_RING_ITEMSIZE:
        case SQ_VSTMP_RING_ITEMSIZE:
        case VGT_TF_RING_SIZE:
        case SQ_ESGS_RING_BASE:
        case SQ_GSVS_RING_BASE:
        case SQ_ESTMP_RING_BASE:
        case SQ_GSTMP_RING_BASE:
        case SQ_HSTMP_RING_BASE:
        case SQ_LSTMP_RING_BASE:
        case SQ_PSTMP_RING_BASE:
        case SQ_VSTMP_RING_BASE:
        case CAYMAN_VGT_OFFCHIP_LDS_BASE:
        case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
                return true;
        default:
                DRM_DEBUG("Invalid register 0x%x in CS\n", reg);
                return false;
        }
}

static int evergreen_vm_packet3_check(struct radeon_device *rdev,
                                      u32 *ib, struct radeon_cs_packet *pkt)
{
        u32 idx = pkt->idx + 1;
        u32 idx_value = ib[idx];
        u32 start_reg, end_reg, reg, i;
        u32 command, info;

        switch (pkt->opcode) {
        case PACKET3_NOP:
                break;
        case PACKET3_SET_BASE:
                if (idx_value != 1) {
                        dev_warn_once(rdev->dev, "bad SET_BASE");
                        return -EINVAL;
                }
                break;
        case PACKET3_CLEAR_STATE:
        case PACKET3_INDEX_BUFFER_SIZE:
        case PACKET3_DISPATCH_DIRECT:
        case PACKET3_DISPATCH_INDIRECT:
        case PACKET3_MODE_CONTROL:
        case PACKET3_SET_PREDICATION:
        case PACKET3_COND_EXEC:
        case PACKET3_PRED_EXEC:
        case PACKET3_DRAW_INDIRECT:
        case PACKET3_DRAW_INDEX_INDIRECT:
        case PACKET3_INDEX_BASE:
        case PACKET3_DRAW_INDEX_2:
        case PACKET3_CONTEXT_CONTROL:
        case PACKET3_DRAW_INDEX_OFFSET:
        case PACKET3_INDEX_TYPE:
        case PACKET3_DRAW_INDEX:
        case PACKET3_DRAW_INDEX_AUTO:
        case PACKET3_DRAW_INDEX_IMMD:
        case PACKET3_NUM_INSTANCES:
        case PACKET3_DRAW_INDEX_MULTI_AUTO:
        case PACKET3_STRMOUT_BUFFER_UPDATE:
        case PACKET3_DRAW_INDEX_OFFSET_2:
        case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
        case PACKET3_MPEG_INDEX:
        case PACKET3_WAIT_REG_MEM:
        case PACKET3_MEM_WRITE:
        case PACKET3_PFP_SYNC_ME:
        case PACKET3_SURFACE_SYNC:
        case PACKET3_EVENT_WRITE:
        case PACKET3_EVENT_WRITE_EOP:
        case PACKET3_EVENT_WRITE_EOS:
        case PACKET3_SET_CONTEXT_REG:
        case PACKET3_SET_BOOL_CONST:
        case PACKET3_SET_LOOP_CONST:
        case PACKET3_SET_RESOURCE:
        case PACKET3_SET_SAMPLER:
        case PACKET3_SET_CTL_CONST:
        case PACKET3_SET_RESOURCE_OFFSET:
        case PACKET3_SET_CONTEXT_REG_INDIRECT:
        case PACKET3_SET_RESOURCE_INDIRECT:
        case CAYMAN_PACKET3_DEALLOC_STATE:
                break;
        case PACKET3_COND_WRITE:
                if (!(idx_value & 0x10)) {
                        reg = ib[idx + 1] * 4;
                        if (!evergreen_vm_reg_valid(reg))
                                return -EINVAL;
                }
                if (!(idx_value & 0x100)) {
                        reg = ib[idx + 5] * 4;
                        if (!evergreen_vm_reg_valid(reg))
                                return -EINVAL;
                }
                break;
        case PACKET3_COPY_DW:
                if (idx_value & 0x2) {
                        reg = ib[idx + 3] * 4;
                        if (!evergreen_vm_reg_valid(reg))
                                return -EINVAL;
                }
                break;
        case PACKET3_SET_CONFIG_REG:
                start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
                end_reg = 4 * pkt->count + start_reg - 4;
                if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
                    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
                    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
                        dev_warn_once(rdev->dev, "bad PACKET3_SET_CONFIG_REG\n");
                        return -EINVAL;
                }
                for (i = 0; i < pkt->count; i++) {
                        reg = start_reg + (4 * i);
                        if (!evergreen_vm_reg_valid(reg))
                                return -EINVAL;
                }
                break;
        case PACKET3_CP_DMA:
                command = ib[idx + 4];
                info = ib[idx + 1];
                if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
                    (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
                    ((((info & 0x00300000) >> 20) == 0) &&
                     (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
                    ((((info & 0x60000000) >> 29) == 0) &&
                     (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
                        /* non mem to mem copies requires dw aligned count */
                        if ((command & 0x1fffff) % 4) {
                                dev_warn_once(rdev->dev, "CP DMA command requires dw count alignment\n");
                                return -EINVAL;
                        }
                }
                if (command & PACKET3_CP_DMA_CMD_SAS) {
                        /* src address space is register */
                        if (((info & 0x60000000) >> 29) == 0) {
                                start_reg = idx_value << 2;
                                if (command & PACKET3_CP_DMA_CMD_SAIC) {
                                        reg = start_reg;
                                        if (!evergreen_vm_reg_valid(reg)) {
                                                dev_warn_once(rdev->dev, "CP DMA Bad SRC register\n");
                                                return -EINVAL;
                                        }
                                } else {
                                        for (i = 0; i < (command & 0x1fffff); i++) {
                                                reg = start_reg + (4 * i);
                                                if (!evergreen_vm_reg_valid(reg)) {
                                                        dev_warn_once(rdev->dev, "CP DMA Bad SRC register\n");
                                                        return -EINVAL;
                                                }
                                        }
                                }
                        }
                }
                if (command & PACKET3_CP_DMA_CMD_DAS) {
                        /* dst address space is register */
                        if (((info & 0x00300000) >> 20) == 0) {
                                start_reg = ib[idx + 2];
                                if (command & PACKET3_CP_DMA_CMD_DAIC) {
                                        reg = start_reg;
                                        if (!evergreen_vm_reg_valid(reg)) {
                                                dev_warn_once(rdev->dev, "CP DMA Bad DST register\n");
                                                return -EINVAL;
                                        }
                                } else {
                                        for (i = 0; i < (command & 0x1fffff); i++) {
                                                reg = start_reg + (4 * i);
                                                if (!evergreen_vm_reg_valid(reg)) {
                                                        dev_warn_once(rdev->dev, "CP DMA Bad DST register\n");
                                                        return -EINVAL;
                                                }
                                        }
                                }
                        }
                }
                break;
        case PACKET3_SET_APPEND_CNT: {
                uint32_t areg;
                uint32_t allowed_reg_base;

                if (pkt->count != 2) {
                        dev_warn_once(rdev->dev, "bad SET_APPEND_CNT (invalid count)\n");
                        return -EINVAL;
                }

                allowed_reg_base = GDS_APPEND_COUNT_0;
                allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
                allowed_reg_base >>= 2;

                areg = idx_value >> 16;
                if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
                        dev_warn_once(rdev->dev, "forbidden register for append cnt 0x%08x at %d\n",
                                      areg, idx);
                        return -EINVAL;
                }
                break;
        }
        default:
                return -EINVAL;
        }
        return 0;
}

int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
{
        int ret = 0;
        u32 idx = 0;
        struct radeon_cs_packet pkt;

        do {
                pkt.idx = idx;
                pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
                pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
                pkt.one_reg_wr = 0;
                switch (pkt.type) {
                case RADEON_PACKET_TYPE0:
                        dev_err(rdev->dev, "Packet0 not allowed!\n");
                        ret = -EINVAL;
                        break;
                case RADEON_PACKET_TYPE2:
                        idx += 1;
                        break;
                case RADEON_PACKET_TYPE3:
                        pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
                        ret = evergreen_vm_packet3_check(rdev, ib->ptr, &pkt);
                        idx += pkt.count + 2;
                        break;
                default:
                        dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
                        ret = -EINVAL;
                        break;
                }
                if (ret)
                        break;
        } while (idx < ib->length_dw);

        return ret;
}

/**
 * evergreen_dma_ib_parse() - parse the DMA IB for VM
 * @rdev: radeon_device pointer
 * @ib: radeon_ib pointer
 *
 * Parses the DMA IB from the VM CS ioctl
 * checks for errors. (Cayman-SI)
 * Returns 0 for success and an error on failure.
 **/
int evergreen_dma_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
{
        u32 idx = 0;
        u32 header, cmd, count, sub_cmd;

        do {
                header = ib->ptr[idx];
                cmd = GET_DMA_CMD(header);
                count = GET_DMA_COUNT(header);
                sub_cmd = GET_DMA_SUB_CMD(header);

                switch (cmd) {
                case DMA_PACKET_WRITE:
                        switch (sub_cmd) {
                        /* tiled */
                        case 8:
                                idx += count + 7;
                                break;
                        /* linear */
                        case 0:
                                idx += count + 3;
                                break;
                        default:
                                dev_warn_once(rdev->dev,
                                              "bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n",
                                              idx, ib->ptr[idx]);
                                return -EINVAL;
                        }
                        break;
                case DMA_PACKET_COPY:
                        switch (sub_cmd) {
                        /* Copy L2L, DW aligned */
                        case 0x00:
                                idx += 5;
                                break;
                        /* Copy L2T/T2L */
                        case 0x08:
                                idx += 9;
                                break;
                        /* Copy L2L, byte aligned */
                        case 0x40:
                                idx += 5;
                                break;
                        /* Copy L2L, partial */
                        case 0x41:
                                idx += 9;
                                break;
                        /* Copy L2L, DW aligned, broadcast */
                        case 0x44:
                                idx += 7;
                                break;
                        /* Copy L2T Frame to Field */
                        case 0x48:
                                idx += 10;
                                break;
                        /* Copy L2T/T2L, partial */
                        case 0x49:
                                idx += 12;
                                break;
                        /* Copy L2T broadcast */
                        case 0x4b:
                                idx += 10;
                                break;
                        /* Copy L2T/T2L (tile units) */
                        case 0x4c:
                                idx += 9;
                                break;
                        /* Copy T2T, partial (tile units) */
                        case 0x4d:
                                idx += 13;
                                break;
                        /* Copy L2T broadcast (tile units) */
                        case 0x4f:
                                idx += 10;
                                break;
                        default:
                                dev_warn_once(rdev->dev,
                                              "bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n",
                                              idx, ib->ptr[idx]);
                                return -EINVAL;
                        }
                        break;
                case DMA_PACKET_CONSTANT_FILL:
                        idx += 4;
                        break;
                case DMA_PACKET_NOP:
                        idx += 1;
                        break;
                default:
                        dev_warn_once(rdev->dev, "Unknown packet type %d at %d !\n", cmd, idx);
                        return -EINVAL;
                }
        } while (idx < ib->length_dw);

        return 0;
}