root/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved.
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 */

#define pr_fmt(fmt)     "[drm:%s:%d] " fmt, __func__, __LINE__

#include <linux/debugfs.h>
#include <linux/dma-buf.h>

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_blend.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>

#include <linux/soc/qcom/ubwc.h>

#include "msm_drv.h"
#include "dpu_kms.h"
#include "dpu_hw_sspp.h"
#include "dpu_hw_util.h"
#include "dpu_trace.h"
#include "dpu_crtc.h"
#include "dpu_vbif.h"
#include "dpu_plane.h"

#define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\
                (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)

#define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
                (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)

#define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
#define PHASE_STEP_SHIFT        21
#define PHASE_STEP_UNIT_SCALE   ((int) (1 << PHASE_STEP_SHIFT))
#define PHASE_RESIDUAL          15

#define SHARP_STRENGTH_DEFAULT  32
#define SHARP_EDGE_THR_DEFAULT  112
#define SHARP_SMOOTH_THR_DEFAULT        8
#define SHARP_NOISE_THR_DEFAULT 2

#define DPU_PLANE_COLOR_FILL_FLAG       BIT(31)
#define DPU_ZPOS_MAX 255

/*
 * Default Preload Values
 */
#define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
#define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
#define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2
#define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4

#define DEFAULT_REFRESH_RATE    60

static const uint32_t qcom_compressed_supported_formats[] = {
        DRM_FORMAT_ABGR8888,
        DRM_FORMAT_ARGB8888,
        DRM_FORMAT_XBGR8888,
        DRM_FORMAT_XRGB8888,
        DRM_FORMAT_ARGB2101010,
        DRM_FORMAT_XRGB2101010,
        DRM_FORMAT_BGR565,

        DRM_FORMAT_NV12,
        DRM_FORMAT_P010,
};

/*
 * struct dpu_plane - local dpu plane structure
 * @vm: address space pointer
 * @csc_ptr: Points to dpu_csc_cfg structure to use for current
 * @catalog: Points to dpu catalog structure
 * @revalidate: force revalidation of all the plane properties
 */
struct dpu_plane {
        struct drm_plane base;

        enum dpu_sspp pipe;

        uint32_t color_fill;
        bool is_error;
        bool is_rt_pipe;
        const struct dpu_mdss_cfg *catalog;
};

static const uint64_t supported_format_modifiers[] = {
        DRM_FORMAT_MOD_QCOM_COMPRESSED,
        DRM_FORMAT_MOD_LINEAR,
        DRM_FORMAT_MOD_INVALID
};

#define to_dpu_plane(x) container_of(x, struct dpu_plane, base)

static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane)
{
        struct msm_drm_private *priv = plane->dev->dev_private;

        return to_dpu_kms(priv->kms);
}

/**
 * _dpu_plane_calc_bw - calculate bandwidth required for a plane
 * @catalog: Points to dpu catalog structure
 * @fmt: Pointer to source buffer format
 * @mode: Pointer to drm display mode
 * @pipe_cfg: Pointer to pipe configuration
 * Result: Updates calculated bandwidth in the plane state.
 * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest)
 * Prefill BW Equation: line src bytes * line_time
 */
static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog,
        const struct msm_format *fmt,
        const struct drm_display_mode *mode,
        struct dpu_sw_pipe_cfg *pipe_cfg)
{
        int src_width, src_height, dst_height, fps;
        u64 plane_pixel_rate, plane_bit_rate;
        u64 plane_prefill_bw;
        u64 plane_bw;
        u32 hw_latency_lines;
        u64 scale_factor;
        int vbp, vpw, vfp;

        src_width = drm_rect_width(&pipe_cfg->src_rect);
        src_height = drm_rect_height(&pipe_cfg->src_rect);
        dst_height = drm_rect_height(&pipe_cfg->dst_rect);
        fps = drm_mode_vrefresh(mode);
        vbp = mode->vtotal - mode->vsync_end;
        vpw = mode->vsync_end - mode->vsync_start;
        vfp = mode->vsync_start - mode->vdisplay;
        hw_latency_lines =  catalog->perf->min_prefill_lines;
        scale_factor = src_height > dst_height ?
                mult_frac(src_height, 1, dst_height) : 1;

        plane_pixel_rate = src_width * mode->vtotal * fps;
        plane_bit_rate = plane_pixel_rate * fmt->bpp;

        plane_bw = plane_bit_rate * scale_factor;

        plane_prefill_bw = plane_bw * hw_latency_lines;

        if ((vbp+vpw) > hw_latency_lines)
                do_div(plane_prefill_bw, (vbp+vpw));
        else if ((vbp+vpw+vfp) < hw_latency_lines)
                do_div(plane_prefill_bw, (vbp+vpw+vfp));
        else
                do_div(plane_prefill_bw, hw_latency_lines);


        return max(plane_bw, plane_prefill_bw);
}

/**
 * _dpu_plane_calc_clk - calculate clock required for a plane
 * @mode: Pointer to drm display mode
 * @pipe_cfg: Pointer to pipe configuration
 * Result: Updates calculated clock in the plane state.
 * Clock equation: dst_w * v_total * fps * (src_h / dst_h)
 */
static u64 _dpu_plane_calc_clk(const struct drm_display_mode *mode,
                struct dpu_sw_pipe_cfg *pipe_cfg)
{
        int dst_width, src_height, dst_height, fps;
        u64 plane_clk;

        src_height = drm_rect_height(&pipe_cfg->src_rect);
        dst_width = drm_rect_width(&pipe_cfg->dst_rect);
        dst_height = drm_rect_height(&pipe_cfg->dst_rect);
        fps = drm_mode_vrefresh(mode);

        plane_clk =
                dst_width * mode->vtotal * fps;

        if (src_height > dst_height) {
                plane_clk *= src_height;
                do_div(plane_clk, dst_height);
        }

        return plane_clk;
}

/**
 * _dpu_plane_calc_fill_level - calculate fill level of the given source format
 * @plane:              Pointer to drm plane
 * @pipe:               Pointer to software pipe
 * @lut_usage:          LUT usecase
 * @fmt:                Pointer to source buffer format
 * @src_width:          width of source buffer
 * Return: fill level corresponding to the source buffer/format or 0 if error
 */
static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
                struct dpu_sw_pipe *pipe,
                enum dpu_qos_lut_usage lut_usage,
                const struct msm_format *fmt, u32 src_width)
{
        struct dpu_plane *pdpu;
        u32 fixed_buff_size;
        u32 total_fl;

        if (!fmt || !pipe || !src_width || !fmt->bpp) {
                DPU_ERROR("invalid arguments\n");
                return 0;
        }

        if (lut_usage == DPU_QOS_LUT_USAGE_NRT)
                return 0;

        pdpu = to_dpu_plane(plane);
        fixed_buff_size = pdpu->catalog->caps->pixel_ram_size;

        /* FIXME: in multirect case account for the src_width of all the planes */

        if (fmt->fetch_type == MDP_PLANE_PSEUDO_PLANAR) {
                if (fmt->chroma_sample == CHROMA_420) {
                        /* NV12 */
                        total_fl = (fixed_buff_size / 2) /
                                ((src_width + 32) * fmt->bpp);
                } else {
                        /* non NV12 */
                        total_fl = (fixed_buff_size / 2) * 2 /
                                ((src_width + 32) * fmt->bpp);
                }
        } else {
                if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) {
                        total_fl = (fixed_buff_size / 2) * 2 /
                                ((src_width + 32) * fmt->bpp);
                } else {
                        total_fl = (fixed_buff_size) * 2 /
                                ((src_width + 32) * fmt->bpp);
                }
        }

        DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc w:%u fl:%u\n",
                        pipe->sspp->idx - SSPP_VIG0,
                        &fmt->pixel_format,
                        src_width, total_fl);

        return total_fl;
}

/**
 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
 * @plane:              Pointer to drm plane
 * @pipe:               Pointer to software pipe
 * @fmt:                Pointer to source buffer format
 * @pipe_cfg:           Pointer to pipe configuration
 */
static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
                struct dpu_sw_pipe *pipe,
                const struct msm_format *fmt, struct dpu_sw_pipe_cfg *pipe_cfg)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_hw_qos_cfg cfg;
        u32 total_fl, lut_usage;

        if (!pdpu->is_rt_pipe) {
                lut_usage = DPU_QOS_LUT_USAGE_NRT;
        } else {
                if (fmt && MSM_FORMAT_IS_LINEAR(fmt))
                        lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
                else
                        lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
        }

        total_fl = _dpu_plane_calc_fill_level(plane, pipe, lut_usage, fmt,
                                drm_rect_width(&pipe_cfg->src_rect));

        cfg.creq_lut = _dpu_hw_get_qos_lut(&pdpu->catalog->perf->qos_lut_tbl[lut_usage], total_fl);
        cfg.danger_lut = pdpu->catalog->perf->danger_lut_tbl[lut_usage];
        cfg.safe_lut = pdpu->catalog->perf->safe_lut_tbl[lut_usage];

        if (pipe->sspp->idx != SSPP_CURSOR0 &&
            pipe->sspp->idx != SSPP_CURSOR1 &&
            pdpu->is_rt_pipe)
                cfg.danger_safe_en = true;

        DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
                pdpu->pipe - SSPP_VIG0,
                cfg.danger_safe_en,
                pdpu->is_rt_pipe);

        trace_dpu_perf_set_qos_luts(pipe->sspp->idx - SSPP_VIG0,
                        (fmt) ? fmt->pixel_format : 0,
                        pdpu->is_rt_pipe, total_fl, cfg.creq_lut, lut_usage);

        DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc rt:%d fl:%u lut:0x%llx\n",
                        pdpu->pipe - SSPP_VIG0,
                        fmt ? &fmt->pixel_format : NULL,
                        pdpu->is_rt_pipe, total_fl, cfg.creq_lut);

        trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
                        (fmt) ? fmt->pixel_format : 0,
                        (fmt) ? fmt->fetch_mode : 0,
                        cfg.danger_lut,
                        cfg.safe_lut);

        DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc mode:%d luts[0x%x, 0x%x]\n",
                        pdpu->pipe - SSPP_VIG0,
                        fmt ? &fmt->pixel_format : NULL,
                        fmt ? fmt->fetch_mode : -1,
                        cfg.danger_lut,
                        cfg.safe_lut);

        pipe->sspp->ops.setup_qos_lut(pipe->sspp, &cfg);
}

/**
 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
 * @plane:              Pointer to drm plane
 * @pipe:               Pointer to software pipe
 * @enable:             true to enable QoS control
 */
static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
        struct dpu_sw_pipe *pipe,
        bool enable)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);

        if (!pdpu->is_rt_pipe)
                enable = false;

        DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
                pdpu->pipe - SSPP_VIG0,
                enable,
                pdpu->is_rt_pipe);

        pipe->sspp->ops.setup_qos_ctrl(pipe->sspp,
                                       enable);
}

static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp,
                                           struct dpu_hw_mdp *mdp,
                                           bool enable, bool *forced_on)
{
        if (sspp->ops.setup_clk_force_ctrl) {
                *forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable);
                return true;
        }

        if (mdp->ops.setup_clk_force_ctrl) {
                *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable);
                return true;
        }

        return false;
}

/**
 * _dpu_plane_set_ot_limit - set OT limit for the given plane
 * @plane:              Pointer to drm plane
 * @pipe:               Pointer to software pipe
 * @pipe_cfg:           Pointer to pipe configuration
 * @frame_rate:         CRTC's frame rate
 */
static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
                struct dpu_sw_pipe *pipe,
                struct dpu_sw_pipe_cfg *pipe_cfg,
                int frame_rate)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_vbif_set_ot_params ot_params;
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        bool forced_on = false;

        memset(&ot_params, 0, sizeof(ot_params));
        ot_params.xin_id = pipe->sspp->cap->xin_id;
        ot_params.num = pipe->sspp->idx - SSPP_NONE;
        ot_params.width = drm_rect_width(&pipe_cfg->src_rect);
        ot_params.height = drm_rect_height(&pipe_cfg->src_rect);
        ot_params.is_wfd = !pdpu->is_rt_pipe;
        ot_params.frame_rate = frame_rate;
        ot_params.vbif_idx = VBIF_RT;
        ot_params.rd = true;

        if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
                                            true, &forced_on))
                return;

        dpu_vbif_set_ot_limit(dpu_kms, &ot_params);

        if (forced_on)
                _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
                                               false, &forced_on);
}

/**
 * _dpu_plane_set_qos_remap - set vbif QoS for the given plane
 * @plane:              Pointer to drm plane
 * @pipe:               Pointer to software pipe
 */
static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
                struct dpu_sw_pipe *pipe)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_vbif_set_qos_params qos_params;
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        bool forced_on = false;

        memset(&qos_params, 0, sizeof(qos_params));
        qos_params.vbif_idx = VBIF_RT;
        qos_params.xin_id = pipe->sspp->cap->xin_id;
        qos_params.num = pipe->sspp->idx - SSPP_VIG0;
        qos_params.is_rt = pdpu->is_rt_pipe;

        DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d\n",
                        qos_params.num,
                        qos_params.vbif_idx,
                        qos_params.xin_id, qos_params.is_rt);

        if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
                                            true, &forced_on))
                return;

        dpu_vbif_set_qos_remap(dpu_kms, &qos_params);

        if (forced_on)
                _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
                                               false, &forced_on);
}

static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,
                uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
                struct dpu_hw_scaler3_cfg *scale_cfg,
                const struct msm_format *fmt,
                uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v,
                unsigned int rotation)
{
        uint32_t i;
        bool inline_rotation = rotation & DRM_MODE_ROTATE_90;

        /*
         * For inline rotation cases, scaler config is post-rotation,
         * so swap the dimensions here. However, pixel extension will
         * need pre-rotation settings.
         */
        if (inline_rotation)
                swap(src_w, src_h);

        scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
                mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
        scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
                mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);


        scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
                scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
        scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
                scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;

        scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
                scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
        scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
                scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];

        scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
                scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
        scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
                scale_cfg->phase_step_y[DPU_SSPP_COMP_0];

        for (i = 0; i < DPU_MAX_PLANES; i++) {
                scale_cfg->src_width[i] = src_w;
                scale_cfg->src_height[i] = src_h;
                if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
                        scale_cfg->src_width[i] /= chroma_subsmpl_h;
                        scale_cfg->src_height[i] /= chroma_subsmpl_v;
                }

                if (pipe_hw->cap->sblk->scaler_blk.version >= 0x3000) {
                        scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H;
                        scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V;
                } else {
                        scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
                        scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
                }
        }
        if (!(MSM_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
                && (src_w == dst_w))
                return;

        scale_cfg->dst_width = dst_w;
        scale_cfg->dst_height = dst_h;
        scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
        scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
        scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
        scale_cfg->lut_flag = 0;
        scale_cfg->blend_cfg = 1;
        scale_cfg->enable = 1;
}

static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg,
                                struct dpu_hw_pixel_ext *pixel_ext,
                                uint32_t src_w, uint32_t src_h,
                                uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
{
        int i;

        for (i = 0; i < DPU_MAX_PLANES; i++) {
                uint32_t w = src_w, h = src_h;

                if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
                        w /= chroma_subsmpl_h;
                        h /= chroma_subsmpl_v;
                }

                pixel_ext->num_ext_pxls_top[i] = h;
                pixel_ext->num_ext_pxls_left[i] = w;
        }
}

static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_sw_pipe *pipe,
                                                    const struct msm_format *fmt)
{
        const struct dpu_csc_cfg *csc_ptr;

        if (!MSM_FORMAT_IS_YUV(fmt))
                return NULL;

        if (BIT(DPU_SSPP_CSC_10BIT) & pipe->sspp->cap->features)
                csc_ptr = &dpu_csc10_YUV2RGB_601L;
        else
                csc_ptr = &dpu_csc_YUV2RGB_601L;

        return csc_ptr;
}

static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
                const struct msm_format *fmt, bool color_fill,
                struct dpu_sw_pipe_cfg *pipe_cfg)
{
        struct dpu_hw_sspp *pipe_hw = pipe->sspp;
        const struct drm_format_info *info = drm_format_info(fmt->pixel_format);
        struct dpu_hw_scaler3_cfg scaler3_cfg;
        struct dpu_hw_pixel_ext pixel_ext;
        u32 src_width = drm_rect_width(&pipe_cfg->src_rect);
        u32 src_height = drm_rect_height(&pipe_cfg->src_rect);
        u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
        u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect);

        memset(&scaler3_cfg, 0, sizeof(scaler3_cfg));
        memset(&pixel_ext, 0, sizeof(pixel_ext));

        /* don't chroma subsample if decimating */
        /* update scaler. calculate default config for QSEED3 */
        _dpu_plane_setup_scaler3(pipe_hw,
                        src_width,
                        src_height,
                        dst_width,
                        dst_height,
                        &scaler3_cfg, fmt,
                        info->hsub, info->vsub,
                        pipe_cfg->rotation);

        /* configure pixel extension based on scalar config */
        _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext,
                        src_width, src_height, info->hsub, info->vsub);

        if (pipe_hw->ops.setup_pe)
                pipe_hw->ops.setup_pe(pipe_hw,
                                &pixel_ext);

        /**
         * when programmed in multirect mode, scalar block will be
         * bypassed. Still we need to update alpha and bitwidth
         * ONLY for RECT0
         */
        if (pipe_hw->ops.setup_scaler &&
                        pipe->multirect_index != DPU_SSPP_RECT_1)
                pipe_hw->ops.setup_scaler(pipe_hw,
                                &scaler3_cfg,
                                fmt);
}

static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
                                       struct dpu_sw_pipe *pipe,
                                       struct drm_rect *dst_rect,
                                       u32 fill_color,
                                       const struct msm_format *fmt)
{
        struct dpu_sw_pipe_cfg pipe_cfg;

        /* update sspp */
        if (!pipe->sspp->ops.setup_solidfill)
                return;

        pipe->sspp->ops.setup_solidfill(pipe, fill_color);

        /* override scaler/decimation if solid fill */
        pipe_cfg.dst_rect = *dst_rect;

        pipe_cfg.src_rect.x1 = 0;
        pipe_cfg.src_rect.y1 = 0;
        pipe_cfg.src_rect.x2 =
                drm_rect_width(&pipe_cfg.dst_rect);
        pipe_cfg.src_rect.y2 =
                drm_rect_height(&pipe_cfg.dst_rect);

        if (pipe->sspp->ops.setup_format)
                pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL);

        if (pipe->sspp->ops.setup_rects)
                pipe->sspp->ops.setup_rects(pipe, &pipe_cfg);

        _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg);
}

/**
 * _dpu_plane_color_fill - enables color fill on plane
 * @pdpu:   Pointer to DPU plane object
 * @color:  RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
 * @alpha:  8-bit fill alpha value, 255 selects 100% alpha
 */
static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
                uint32_t color, uint32_t alpha)
{
        const struct msm_format *fmt;
        const struct drm_plane *plane = &pdpu->base;
        struct msm_drm_private *priv = plane->dev->dev_private;
        struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
        u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24);
        int i;

        DPU_DEBUG_PLANE(pdpu, "\n");

        /*
         * select fill format to match user property expectation,
         * h/w only supports RGB variants
         */
        fmt = mdp_get_format(priv->kms, DRM_FORMAT_ABGR8888, 0);
        /* should not happen ever */
        if (!fmt)
                return;

        /* update sspp */
        for (i = 0; i < PIPES_PER_PLANE; i++) {
                if (!pstate->pipe[i].sspp)
                        continue;
                _dpu_plane_color_fill_pipe(pstate, &pstate->pipe[i],
                                           &pstate->pipe_cfg[i].dst_rect,
                                           fill_color, fmt);
        }
}

static int dpu_plane_prepare_fb(struct drm_plane *plane,
                struct drm_plane_state *new_state)
{
        struct drm_framebuffer *fb = new_state->fb;
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
        int ret;

        if (!new_state->fb)
                return 0;

        DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);

        /*
         * TODO: Need to sort out the msm_framebuffer_prepare() call below so
         *       we can use msm_atomic_prepare_fb() instead of doing the
         *       implicit fence and fb prepare by hand here.
         */
        drm_gem_plane_helper_prepare_fb(plane, new_state);

        ret = msm_framebuffer_prepare(new_state->fb, pstate->needs_dirtyfb);
        if (ret) {
                DPU_ERROR("failed to prepare framebuffer\n");
                return ret;
        }

        return 0;
}

static void dpu_plane_cleanup_fb(struct drm_plane *plane,
                struct drm_plane_state *old_state)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_plane_state *old_pstate;

        if (!old_state || !old_state->fb)
                return;

        old_pstate = to_dpu_plane_state(old_state);

        DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);

        msm_framebuffer_cleanup(old_state->fb, old_pstate->needs_dirtyfb);
}

static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu,
                                           struct dpu_sw_pipe *pipe,
                                           struct drm_rect src,
                                           const struct msm_format *fmt)
{
        const struct dpu_sspp_sub_blks *sblk = pipe->sspp->cap->sblk;
        size_t num_formats;
        const u32 *supported_formats;

        if (!test_bit(DPU_SSPP_INLINE_ROTATION, &pipe->sspp->cap->features))
                return -EINVAL;

        if (!sblk->rotation_cfg) {
                DPU_ERROR("invalid rotation cfg\n");
                return -EINVAL;
        }

        if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) {
                DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n",
                                src.y2, sblk->rotation_cfg->rot_maxheight);
                return -EINVAL;
        }

        supported_formats = sblk->rotation_cfg->rot_format_list;
        num_formats = sblk->rotation_cfg->rot_num_formats;

        if (!MSM_FORMAT_IS_UBWC(fmt) ||
                !dpu_find_format(fmt->pixel_format, supported_formats, num_formats))
                return -EINVAL;

        return 0;
}

static int dpu_plane_atomic_check_pipe(struct dpu_plane *pdpu,
                struct dpu_sw_pipe *pipe,
                struct dpu_sw_pipe_cfg *pipe_cfg,
                const struct drm_display_mode *mode,
                struct drm_plane_state *new_plane_state)
{
        uint32_t min_src_size;
        struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
        int ret;
        const struct msm_format *fmt;
        uint32_t supported_rotations;
        const struct dpu_sspp_cfg *pipe_hw_caps;
        const struct dpu_sspp_sub_blks *sblk;

        pipe_hw_caps = pipe->sspp->cap;
        sblk = pipe->sspp->cap->sblk;

        /*
         * We already have verified scaling against platform limitations.
         * Now check if the SSPP supports scaling at all.
         */
        if (!(sblk->scaler_blk.len && pipe->sspp->ops.setup_scaler) &&
            ((drm_rect_width(&new_plane_state->src) >> 16 !=
              drm_rect_width(&new_plane_state->dst)) ||
             (drm_rect_height(&new_plane_state->src) >> 16 !=
              drm_rect_height(&new_plane_state->dst))))
                return -ERANGE;

        fmt = msm_framebuffer_format(new_plane_state->fb);

        supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;

        if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION))
                supported_rotations |= DRM_MODE_ROTATE_90;

        pipe_cfg->rotation = drm_rotation_simplify(new_plane_state->rotation,
                                                   supported_rotations);

        min_src_size = MSM_FORMAT_IS_YUV(fmt) ? 2 : 1;

        if (MSM_FORMAT_IS_YUV(fmt) &&
            !pipe->sspp->cap->sblk->csc_blk.len) {
                DPU_DEBUG_PLANE(pdpu,
                                "plane doesn't have csc for yuv\n");
                return -EINVAL;
        }

        /* check src bounds */
        if (drm_rect_width(&pipe_cfg->src_rect) < min_src_size ||
            drm_rect_height(&pipe_cfg->src_rect) < min_src_size) {
                DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
                                DRM_RECT_ARG(&pipe_cfg->src_rect));
                return -E2BIG;
        }

        /* valid yuv image */
        if (MSM_FORMAT_IS_YUV(fmt) &&
            (pipe_cfg->src_rect.x1 & 0x1 ||
             pipe_cfg->src_rect.y1 & 0x1 ||
             drm_rect_width(&pipe_cfg->src_rect) & 0x1 ||
             drm_rect_height(&pipe_cfg->src_rect) & 0x1)) {
                DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
                                DRM_RECT_ARG(&pipe_cfg->src_rect));
                return -EINVAL;
        }

        /* min dst support */
        if (drm_rect_width(&pipe_cfg->dst_rect) < 0x1 ||
            drm_rect_height(&pipe_cfg->dst_rect) < 0x1) {
                DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
                                DRM_RECT_ARG(&pipe_cfg->dst_rect));
                return -EINVAL;
        }

        if (pipe_cfg->rotation & DRM_MODE_ROTATE_90) {
                ret = dpu_plane_check_inline_rotation(pdpu, pipe, pipe_cfg->src_rect, fmt);
                if (ret)
                        return ret;
        }

        /* max clk check */
        if (_dpu_plane_calc_clk(mode, pipe_cfg) > kms->perf.max_core_clk_rate) {
                DPU_DEBUG_PLANE(pdpu, "plane exceeds max mdp core clk limits\n");
                return -E2BIG;
        }

        return 0;
}

#define MAX_UPSCALE_RATIO       20
#define MAX_DOWNSCALE_RATIO     4

static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane,
                                         struct drm_plane_state *new_plane_state,
                                         const struct drm_crtc_state *crtc_state)
{
        int i, ret = 0, min_scale, max_scale;
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
        u64 max_mdp_clk_rate = kms->perf.max_core_clk_rate;
        struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
        struct dpu_sw_pipe_cfg *pipe_cfg;
        struct dpu_sw_pipe_cfg *r_pipe_cfg;
        struct drm_rect fb_rect = { 0 };
        uint32_t max_linewidth;

        min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO);
        max_scale = MAX_DOWNSCALE_RATIO << 16;

        ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
                                                  min_scale,
                                                  max_scale,
                                                  true, true);
        if (ret) {
                DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
                return ret;
        }
        if (!new_plane_state->visible)
                return 0;

        pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
        if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
                DPU_ERROR("> %d plane stages assigned\n",
                          pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0);
                return -EINVAL;
        }

        /* move the assignment here, to ease handling to another pairs later */
        pipe_cfg = &pstate->pipe_cfg[0];
        r_pipe_cfg = &pstate->pipe_cfg[1];
        /* state->src is 16.16, src_rect is not */
        drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src);

        pipe_cfg->dst_rect = new_plane_state->dst;

        fb_rect.x2 = new_plane_state->fb->width;
        fb_rect.y2 = new_plane_state->fb->height;

        /* Ensure fb size is supported */
        if (drm_rect_width(&fb_rect) > DPU_MAX_IMG_WIDTH ||
            drm_rect_height(&fb_rect) > DPU_MAX_IMG_HEIGHT) {
                DPU_DEBUG_PLANE(pdpu, "invalid framebuffer " DRM_RECT_FMT "\n",
                                DRM_RECT_ARG(&fb_rect));
                return -E2BIG;
        }

        ret = dpu_format_populate_plane_sizes(new_plane_state->fb, &pstate->layout);
        if (ret) {
                DPU_ERROR_PLANE(pdpu, "failed to get format plane sizes, %d\n", ret);
                return ret;
        }

        for (i = 0; i < pstate->layout.num_planes; i++)
                if (pstate->layout.plane_pitch[i] > DPU_SSPP_MAX_PITCH_SIZE)
                        return -E2BIG;

        max_linewidth = pdpu->catalog->caps->max_linewidth;

        drm_rect_rotate(&pipe_cfg->src_rect,
                        new_plane_state->fb->width, new_plane_state->fb->height,
                        new_plane_state->rotation);

        if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) ||
             _dpu_plane_calc_clk(&crtc_state->adjusted_mode, pipe_cfg) > max_mdp_clk_rate) {
                if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) {
                        DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
                                        DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
                        return -E2BIG;
                }

                *r_pipe_cfg = *pipe_cfg;
                pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1;
                pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1;
                r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2;
                r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2;
        } else {
                memset(r_pipe_cfg, 0, sizeof(*r_pipe_cfg));
        }

        drm_rect_rotate_inv(&pipe_cfg->src_rect,
                            new_plane_state->fb->width, new_plane_state->fb->height,
                            new_plane_state->rotation);
        if (drm_rect_width(&r_pipe_cfg->src_rect) != 0)
                drm_rect_rotate_inv(&r_pipe_cfg->src_rect,
                                    new_plane_state->fb->width, new_plane_state->fb->height,
                                    new_plane_state->rotation);

        pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state);

        return 0;
}

static int dpu_plane_is_multirect_capable(struct dpu_hw_sspp *sspp,
                                          struct dpu_sw_pipe_cfg *pipe_cfg,
                                          const struct msm_format *fmt)
{
        if (drm_rect_width(&pipe_cfg->src_rect) != drm_rect_width(&pipe_cfg->dst_rect) ||
            drm_rect_height(&pipe_cfg->src_rect) != drm_rect_height(&pipe_cfg->dst_rect))
                return false;

        if (pipe_cfg->rotation & DRM_MODE_ROTATE_90)
                return false;

        if (MSM_FORMAT_IS_YUV(fmt))
                return false;

        if (!sspp)
                return true;

        if (!test_bit(DPU_SSPP_SMART_DMA_V1, &sspp->cap->features) &&
            !test_bit(DPU_SSPP_SMART_DMA_V2, &sspp->cap->features))
                return false;

        return true;
}

static int dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg *pipe_cfg,
                                         const struct msm_format *fmt,
                                         uint32_t max_linewidth)
{
        if (MSM_FORMAT_IS_UBWC(fmt) &&
            drm_rect_width(&pipe_cfg->src_rect) > max_linewidth / 2)
                return false;

        return true;
}

static int dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp *sspp,
                                                   struct dpu_sw_pipe_cfg *pipe_cfg,
                                                   const struct msm_format *fmt,
                                                   uint32_t max_linewidth)
{
        return dpu_plane_is_multirect_capable(sspp, pipe_cfg, fmt) &&
                dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth);
}

static bool dpu_plane_get_single_pipe_in_stage(struct dpu_plane_state *pstate,
                                               struct dpu_sw_pipe **single_pipe,
                                               struct dpu_sw_pipe_cfg **single_pipe_cfg,
                                               int stage_index)
{
        int pipe_idx;

        pipe_idx = stage_index * PIPES_PER_STAGE;
        if (drm_rect_width(&pstate->pipe_cfg[pipe_idx].src_rect) != 0 &&
            drm_rect_width(&pstate->pipe_cfg[pipe_idx + 1].src_rect) == 0) {
                *single_pipe = &pstate->pipe[pipe_idx];
                *single_pipe_cfg = &pstate->pipe_cfg[pipe_idx];
                return true;
        }

        return false;
}

static int dpu_plane_atomic_check_sspp(struct drm_plane *plane,
                                       struct drm_atomic_state *state,
                                       const struct drm_crtc_state *crtc_state)
{
        struct drm_plane_state *new_plane_state =
                drm_atomic_get_new_plane_state(state, plane);
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
        struct dpu_sw_pipe *pipe = &pstate->pipe[0];
        struct dpu_sw_pipe *r_pipe = &pstate->pipe[1];
        struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0];
        struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1];
        int ret = 0;

        ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg,
                                          &crtc_state->adjusted_mode,
                                          new_plane_state);
        if (ret)
                return ret;

        if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
                ret = dpu_plane_atomic_check_pipe(pdpu, r_pipe, r_pipe_cfg,
                                                  &crtc_state->adjusted_mode,
                                                  new_plane_state);
                if (ret)
                        return ret;
        }

        return 0;
}

static bool dpu_plane_try_multirect_parallel(struct dpu_sw_pipe *pipe, struct dpu_sw_pipe_cfg *pipe_cfg,
                                             struct dpu_sw_pipe *r_pipe, struct dpu_sw_pipe_cfg *r_pipe_cfg,
                                             struct dpu_hw_sspp *sspp, const struct msm_format *fmt,
                                             uint32_t max_linewidth)
{
        r_pipe->sspp = NULL;

        pipe->multirect_index = DPU_SSPP_RECT_SOLO;
        pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;

        r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
        r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;

        if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
                if (!dpu_plane_is_multirect_parallel_capable(pipe->sspp, pipe_cfg, fmt, max_linewidth) ||
                    !dpu_plane_is_multirect_parallel_capable(pipe->sspp, r_pipe_cfg, fmt, max_linewidth))
                        return false;

                r_pipe->sspp = pipe->sspp;

                pipe->multirect_index = DPU_SSPP_RECT_0;
                pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;

                r_pipe->multirect_index = DPU_SSPP_RECT_1;
                r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
        }

        return true;
}

static int dpu_plane_try_multirect_shared(struct dpu_plane_state *pstate,
                                          struct dpu_plane_state *prev_adjacent_pstate,
                                          const struct msm_format *fmt,
                                          uint32_t max_linewidth, int stage_index)
{
        struct dpu_sw_pipe *pipe, *prev_pipe;
        struct dpu_sw_pipe_cfg *pipe_cfg, *prev_pipe_cfg;
        const struct msm_format *prev_fmt = msm_framebuffer_format(prev_adjacent_pstate->base.fb);
        u16 max_tile_height = 1;

        if (!dpu_plane_get_single_pipe_in_stage(pstate, &pipe,
                                                &pipe_cfg, stage_index))
                return false;

        if (!dpu_plane_get_single_pipe_in_stage(prev_adjacent_pstate,
                                                &prev_pipe, &prev_pipe_cfg,
                                                stage_index) ||
            prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE)
                return false;

        /* Do not validate SSPP of current plane when it is not ready */
        if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) ||
            !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg, prev_fmt))
                return false;

        if (MSM_FORMAT_IS_UBWC(fmt))
                max_tile_height = max(max_tile_height, fmt->tile_height);

        if (MSM_FORMAT_IS_UBWC(prev_fmt))
                max_tile_height = max(max_tile_height, prev_fmt->tile_height);

        if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) &&
            dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth) &&
            (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 ||
             prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) {
                pipe->sspp = prev_pipe->sspp;

                pipe->multirect_index = DPU_SSPP_RECT_1;
                pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;

                prev_pipe->multirect_index = DPU_SSPP_RECT_0;
                prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;

                return true;
        }

        if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 * max_tile_height ||
            prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 * max_tile_height) {
                pipe->sspp = prev_pipe->sspp;

                pipe->multirect_index = DPU_SSPP_RECT_1;
                pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;

                prev_pipe->multirect_index = DPU_SSPP_RECT_0;
                prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;

                return true;
        }

        return false;
}

static int dpu_plane_atomic_check(struct drm_plane *plane,
                                  struct drm_atomic_state *state)
{
        struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
                                                                                 plane);
        int ret = 0;
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        struct dpu_sw_pipe *pipe = &pstate->pipe[0];
        struct dpu_sw_pipe *r_pipe = &pstate->pipe[1];
        struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0];
        struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1];
        const struct drm_crtc_state *crtc_state = NULL;
        uint32_t max_linewidth = dpu_kms->catalog->caps->max_linewidth;

        if (new_plane_state->crtc)
                crtc_state = drm_atomic_get_new_crtc_state(state,
                                                           new_plane_state->crtc);

        pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);

        if (!pipe->sspp)
                return -EINVAL;

        ret = dpu_plane_atomic_check_nosspp(plane, new_plane_state, crtc_state);
        if (ret)
                return ret;

        if (!new_plane_state->visible)
                return 0;

        if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
                                              pipe->sspp,
                                              msm_framebuffer_format(new_plane_state->fb),
                                              max_linewidth)) {
                DPU_DEBUG_PLANE(pdpu, "invalid " DRM_RECT_FMT " /" DRM_RECT_FMT
                                " max_line:%u, can't use split source\n",
                                DRM_RECT_ARG(&pipe_cfg->src_rect),
                                DRM_RECT_ARG(&r_pipe_cfg->src_rect),
                                max_linewidth);
                return -E2BIG;
        }

        return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
}

static int dpu_plane_virtual_atomic_check(struct drm_plane *plane,
                                          struct drm_atomic_state *state)
{
        struct drm_plane_state *plane_state =
                drm_atomic_get_plane_state(state, plane);
        struct drm_plane_state *old_plane_state =
                drm_atomic_get_old_plane_state(state, plane);
        struct dpu_plane_state *pstate = to_dpu_plane_state(plane_state);
        struct drm_crtc_state *crtc_state = NULL;
        int ret, i;

        if (IS_ERR(plane_state))
                return PTR_ERR(plane_state);

        if (plane_state->crtc)
                crtc_state = drm_atomic_get_new_crtc_state(state,
                                                           plane_state->crtc);

        ret = dpu_plane_atomic_check_nosspp(plane, plane_state, crtc_state);
        if (ret)
                return ret;

        if (!plane_state->visible) {
                /*
                 * resources are freed by dpu_crtc_assign_plane_resources(),
                 * but clean them here.
                 */
                for (i = 0; i < PIPES_PER_PLANE; i++)
                        pstate->pipe[i].sspp = NULL;

                return 0;
        }

        /*
         * Force resource reallocation if the format of FB or src/dst have
         * changed. We might need to allocate different SSPP or SSPPs for this
         * plane than the one used previously.
         */
        if (!old_plane_state || !old_plane_state->fb ||
            old_plane_state->src_w != plane_state->src_w ||
            old_plane_state->src_h != plane_state->src_h ||
            old_plane_state->crtc_w != plane_state->crtc_w ||
            old_plane_state->crtc_h != plane_state->crtc_h ||
            msm_framebuffer_format(old_plane_state->fb) !=
            msm_framebuffer_format(plane_state->fb))
                crtc_state->planes_changed = true;

        return 0;
}

static int dpu_plane_assign_resource_in_stage(struct dpu_sw_pipe *pipe,
                                              struct dpu_sw_pipe_cfg *pipe_cfg,
                                              struct drm_plane_state *plane_state,
                                              struct dpu_global_state *global_state,
                                              struct drm_crtc *crtc,
                                              struct dpu_rm_sspp_requirements *reqs)
{
        struct drm_plane *plane = plane_state->plane;
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        struct dpu_sw_pipe *r_pipe = pipe + 1;
        struct dpu_sw_pipe_cfg *r_pipe_cfg = pipe_cfg + 1;

        if (drm_rect_width(&pipe_cfg->src_rect) == 0)
                return 0;

        pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
        if (!pipe->sspp)
                return -ENODEV;
        pipe->multirect_index = DPU_SSPP_RECT_SOLO;
        pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;

        if (drm_rect_width(&r_pipe_cfg->src_rect) == 0)
                return 0;

        if (dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
                                              pipe->sspp,
                                              msm_framebuffer_format(plane_state->fb),
                                              dpu_kms->catalog->caps->max_linewidth))
                return 0;

        r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
        if (!r_pipe->sspp)
                return -ENODEV;
        r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
        r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;

        return 0;
}

static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc,
                                              struct dpu_global_state *global_state,
                                              struct drm_atomic_state *state,
                                              struct drm_plane_state *plane_state,
                                              struct drm_plane_state **prev_adjacent_plane_state)
{
        const struct drm_crtc_state *crtc_state = NULL;
        struct drm_plane *plane = plane_state->plane;
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        struct dpu_rm_sspp_requirements reqs;
        struct dpu_plane_state *pstate, *prev_adjacent_pstate[STAGES_PER_PLANE];
        struct dpu_sw_pipe *pipe;
        struct dpu_sw_pipe_cfg *pipe_cfg;
        const struct msm_format *fmt;
        int i, ret;

        if (plane_state->crtc)
                crtc_state = drm_atomic_get_new_crtc_state(state,
                                                           plane_state->crtc);

        pstate = to_dpu_plane_state(plane_state);
        for (i = 0; i < STAGES_PER_PLANE; i++)
                prev_adjacent_pstate[i] = prev_adjacent_plane_state[i] ?
                        to_dpu_plane_state(prev_adjacent_plane_state[i]) : NULL;

        for (i = 0; i < PIPES_PER_PLANE; i++)
                pstate->pipe[i].sspp = NULL;

        if (!plane_state->fb)
                return -EINVAL;

        fmt = msm_framebuffer_format(plane_state->fb);
        reqs.yuv = MSM_FORMAT_IS_YUV(fmt);
        reqs.scale = (plane_state->src_w >> 16 != plane_state->crtc_w) ||
                (plane_state->src_h >> 16 != plane_state->crtc_h);

        reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation);

        for (i = 0; i < STAGES_PER_PLANE; i++) {
                if (prev_adjacent_pstate[i] &&
                    dpu_plane_try_multirect_shared(pstate, prev_adjacent_pstate[i], fmt,
                                                   dpu_kms->catalog->caps->max_linewidth,
                                                   i))
                        continue;

                if (dpu_plane_get_single_pipe_in_stage(pstate, &pipe, &pipe_cfg, i))
                        prev_adjacent_plane_state[i] = plane_state;

                pipe = &pstate->pipe[i * PIPES_PER_STAGE];
                pipe_cfg = &pstate->pipe_cfg[i * PIPES_PER_STAGE];
                ret = dpu_plane_assign_resource_in_stage(pipe, pipe_cfg,
                                                         plane_state,
                                                         global_state,
                                                         crtc, &reqs);
                if (ret)
                        return ret;
        }

        return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
}

int dpu_assign_plane_resources(struct dpu_global_state *global_state,
                               struct drm_atomic_state *state,
                               struct drm_crtc *crtc,
                               struct drm_plane_state **states,
                               unsigned int num_planes)
{
        unsigned int i;
        struct drm_plane_state *prev_adjacent_plane_state[STAGES_PER_PLANE] = { NULL };

        for (i = 0; i < num_planes; i++) {
                struct drm_plane_state *plane_state = states[i];

                if (!plane_state ||
                    !plane_state->visible)
                        continue;

                int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
                                                             state, plane_state,
                                                             prev_adjacent_plane_state);
                if (ret)
                        return ret;
        }

        return 0;
}

static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)
{
        const struct msm_format *format =
                msm_framebuffer_format(pdpu->base.state->fb);
        const struct dpu_csc_cfg *csc_ptr;

        if (!pipe->sspp || !pipe->sspp->ops.setup_csc)
                return;

        csc_ptr = _dpu_plane_get_csc(pipe, format);
        if (!csc_ptr)
                return;

        DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
                        csc_ptr->csc_mv[0],
                        csc_ptr->csc_mv[1],
                        csc_ptr->csc_mv[2]);

        pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr);

}

/**
 * dpu_plane_flush - final plane operations before commit flush
 * @plane: Pointer to drm plane structure
 */
void dpu_plane_flush(struct drm_plane *plane)
{
        struct dpu_plane *pdpu;
        struct dpu_plane_state *pstate;
        int i;

        if (!plane || !plane->state) {
                DPU_ERROR("invalid plane\n");
                return;
        }

        pdpu = to_dpu_plane(plane);
        pstate = to_dpu_plane_state(plane->state);

        /*
         * These updates have to be done immediately before the plane flush
         * timing, and may not be moved to the atomic_update/mode_set functions.
         */
        if (pdpu->is_error)
                /* force white frame with 100% alpha pipe output on error */
                _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
        else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
                /* force 100% alpha */
                _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
        else {
                for (i = 0; i < PIPES_PER_PLANE; i++)
                        dpu_plane_flush_csc(pdpu, &pstate->pipe[i]);
        }

        /* flag h/w flush complete */
        if (plane->state)
                pstate->pending = false;
}

/**
 * dpu_plane_set_error: enable/disable error condition
 * @plane: pointer to drm_plane structure
 * @error: error value to set
 */
void dpu_plane_set_error(struct drm_plane *plane, bool error)
{
        struct dpu_plane *pdpu;

        if (!plane)
                return;

        pdpu = to_dpu_plane(plane);
        pdpu->is_error = error;
}

static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
                                       struct dpu_sw_pipe *pipe,
                                       struct dpu_sw_pipe_cfg *pipe_cfg,
                                       const struct msm_format *fmt,
                                       int frame_rate,
                                       struct dpu_hw_fmt_layout *layout)
{
        uint32_t src_flags;
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct drm_plane_state *state = plane->state;
        struct dpu_plane_state *pstate = to_dpu_plane_state(state);

        if (layout && pipe->sspp->ops.setup_sourceaddress) {
                trace_dpu_plane_set_scanout(pipe, layout);
                pipe->sspp->ops.setup_sourceaddress(pipe, layout);
        }

        /* override for color fill */
        if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
                _dpu_plane_set_qos_ctrl(plane, pipe, false);

                /* skip remaining processing on color fill */
                return;
        }

        if (pipe->sspp->ops.setup_rects) {
                pipe->sspp->ops.setup_rects(pipe,
                                pipe_cfg);
        }

        _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg);

        if (pipe->sspp->ops.setup_multirect)
                pipe->sspp->ops.setup_multirect(
                                pipe);

        if (pipe->sspp->ops.setup_format) {
                unsigned int rotation = pipe_cfg->rotation;

                src_flags = 0x0;

                if (rotation & DRM_MODE_REFLECT_X)
                        src_flags |= DPU_SSPP_FLIP_LR;

                if (rotation & DRM_MODE_REFLECT_Y)
                        src_flags |= DPU_SSPP_FLIP_UD;

                if (rotation & DRM_MODE_ROTATE_90)
                        src_flags |= DPU_SSPP_ROT_90;

                /* update format */
                pipe->sspp->ops.setup_format(pipe, fmt, src_flags);

                if (pipe->sspp->ops.setup_cdp) {
                        const struct dpu_perf_cfg *perf = pdpu->catalog->perf;

                        pipe->sspp->ops.setup_cdp(pipe, fmt,
                                                  perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable);
                }
        }

        _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg);

        if (pipe->sspp->idx != SSPP_CURSOR0 &&
            pipe->sspp->idx != SSPP_CURSOR1)
                _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate);

        if (pstate->needs_qos_remap)
                _dpu_plane_set_qos_remap(plane, pipe);
}

static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
                                         struct drm_plane_state *new_state)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct drm_plane_state *state = plane->state;
        struct dpu_plane_state *pstate = to_dpu_plane_state(state);
        struct drm_crtc *crtc = state->crtc;
        struct drm_framebuffer *fb = state->fb;
        bool is_rt_pipe;
        const struct msm_format *fmt =
                msm_framebuffer_format(fb);
        int i;

        pstate->pending = true;

        is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
        pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe);
        pdpu->is_rt_pipe = is_rt_pipe;

        dpu_format_populate_addrs(new_state->fb, &pstate->layout);

        DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
                        ", %p4cc ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
                        crtc->base.id, DRM_RECT_ARG(&state->dst),
                        &fmt->pixel_format, MSM_FORMAT_IS_UBWC(fmt));

        for (i = 0; i < PIPES_PER_PLANE; i++) {
                if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
                        continue;
                dpu_plane_sspp_update_pipe(plane, &pstate->pipe[i],
                                           &pstate->pipe_cfg[i], fmt,
                                           drm_mode_vrefresh(&crtc->mode),
                                           &pstate->layout);
        }

        if (pstate->needs_qos_remap)
                pstate->needs_qos_remap = false;

        pstate->plane_fetch_bw = 0;
        pstate->plane_clk = 0;
        for (i = 0; i < PIPES_PER_PLANE; i++) {
                if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
                        continue;
                pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt,
                                                             &crtc->mode, &pstate->pipe_cfg[i]);

                pstate->plane_clk = max(pstate->plane_clk,
                                        _dpu_plane_calc_clk(&crtc->mode,
                                                            &pstate->pipe_cfg[i]));
        }
}

static void _dpu_plane_atomic_disable(struct drm_plane *plane)
{
        struct drm_plane_state *state = plane->state;
        struct dpu_plane_state *pstate = to_dpu_plane_state(state);
        struct dpu_sw_pipe *pipe;
        int i;

        for (i = 0; i < PIPES_PER_PLANE; i += 1) {
                pipe = &pstate->pipe[i];
                if (!pipe->sspp)
                        continue;

                trace_dpu_plane_disable(DRMID(plane), false,
                                        pstate->pipe[i].multirect_mode);

                if (i % PIPES_PER_STAGE == 0)
                        continue;

                /*
                 * clear multirect for the right pipe so that the SSPP
                 * can be further reused in the solo mode
                 */
                pipe->multirect_index = DPU_SSPP_RECT_SOLO;
                pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
                if (pipe->sspp->ops.setup_multirect)
                        pipe->sspp->ops.setup_multirect(pipe);
        }

        pstate->pending = true;
}

static void dpu_plane_atomic_update(struct drm_plane *plane,
                                struct drm_atomic_state *state)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
                                                                           plane);

        pdpu->is_error = false;

        DPU_DEBUG_PLANE(pdpu, "\n");

        if (!new_state->visible) {
                _dpu_plane_atomic_disable(plane);
        } else {
                dpu_plane_sspp_atomic_update(plane, new_state);
        }
}

static void dpu_plane_destroy_state(struct drm_plane *plane,
                struct drm_plane_state *state)
{
        __drm_atomic_helper_plane_destroy_state(state);
        kfree(to_dpu_plane_state(state));
}

static struct drm_plane_state *
dpu_plane_duplicate_state(struct drm_plane *plane)
{
        struct dpu_plane *pdpu;
        struct dpu_plane_state *pstate;
        struct dpu_plane_state *old_state;

        if (!plane) {
                DPU_ERROR("invalid plane\n");
                return NULL;
        } else if (!plane->state) {
                DPU_ERROR("invalid plane state\n");
                return NULL;
        }

        old_state = to_dpu_plane_state(plane->state);
        pdpu = to_dpu_plane(plane);
        pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
        if (!pstate) {
                DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
                return NULL;
        }

        DPU_DEBUG_PLANE(pdpu, "\n");

        pstate->pending = false;

        __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);

        return &pstate->base;
}

static const char * const multirect_mode_name[] = {
        [DPU_SSPP_MULTIRECT_NONE] = "none",
        [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel",
        [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx",
};

static const char * const multirect_index_name[] = {
        [DPU_SSPP_RECT_SOLO] = "solo",
        [DPU_SSPP_RECT_0] = "rect_0",
        [DPU_SSPP_RECT_1] = "rect_1",
};

static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)
{
        if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name)))
                return "unknown";

        return multirect_mode_name[mode];
}

static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index)
{
        if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name)))
                return "unknown";

        return multirect_index_name[index];
}

static void dpu_plane_atomic_print_state(struct drm_printer *p,
                const struct drm_plane_state *state)
{
        const struct dpu_plane_state *pstate = to_dpu_plane_state(state);
        const struct dpu_sw_pipe *pipe;
        const struct dpu_sw_pipe_cfg *pipe_cfg;
        int i;

        drm_printf(p, "\tstage=%d\n", pstate->stage);

        for (i = 0; i < PIPES_PER_PLANE; i++) {
                pipe = &pstate->pipe[i];
                if (!pipe->sspp)
                        continue;
                pipe_cfg = &pstate->pipe_cfg[i];
                drm_printf(p, "\tsspp[%d]=%s\n", i, pipe->sspp->cap->name);
                drm_printf(p, "\tmultirect_mode[%d]=%s\n", i,
                           dpu_get_multirect_mode(pipe->multirect_mode));
                drm_printf(p, "\tmultirect_index[%d]=%s\n", i,
                           dpu_get_multirect_index(pipe->multirect_index));
                drm_printf(p, "\tsrc[%d]=" DRM_RECT_FMT "\n", i,
                           DRM_RECT_ARG(&pipe_cfg->src_rect));
                drm_printf(p, "\tdst[%d]=" DRM_RECT_FMT "\n", i,
                           DRM_RECT_ARG(&pipe_cfg->dst_rect));
        }
}

static void dpu_plane_reset(struct drm_plane *plane)
{
        struct dpu_plane *pdpu;
        struct dpu_plane_state *pstate;

        if (!plane) {
                DPU_ERROR("invalid plane\n");
                return;
        }

        pdpu = to_dpu_plane(plane);
        DPU_DEBUG_PLANE(pdpu, "\n");

        /* remove previous state, if present */
        if (plane->state) {
                dpu_plane_destroy_state(plane, plane->state);
                plane->state = NULL;
        }

        pstate = kzalloc_obj(*pstate);
        if (!pstate) {
                DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
                return;
        }

        __drm_atomic_helper_plane_reset(plane, &pstate->base);
}

#ifdef CONFIG_DEBUG_FS
void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
{
        struct dpu_plane *pdpu = to_dpu_plane(plane);
        struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        int i;

        if (!pdpu->is_rt_pipe)
                return;

        pm_runtime_get_sync(&dpu_kms->pdev->dev);
        for (i = 0; i < PIPES_PER_PLANE; i++) {
                if (!pstate->pipe[i].sspp)
                        continue;
                _dpu_plane_set_qos_ctrl(plane, &pstate->pipe[i], enable);
        }
        pm_runtime_put_sync(&dpu_kms->pdev->dev);
}
#endif

static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
                uint32_t format, uint64_t modifier)
{
        struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
        bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) &&
                           (dpu_kms->mdss->ubwc_dec_version == 0);

        if (modifier == DRM_FORMAT_MOD_LINEAR)
                return true;

        if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED && !has_no_ubwc)
                return dpu_find_format(format, qcom_compressed_supported_formats,
                                ARRAY_SIZE(qcom_compressed_supported_formats));

        return false;
}

static const struct drm_plane_funcs dpu_plane_funcs = {
                .update_plane = drm_atomic_helper_update_plane,
                .disable_plane = drm_atomic_helper_disable_plane,
                .reset = dpu_plane_reset,
                .atomic_duplicate_state = dpu_plane_duplicate_state,
                .atomic_destroy_state = dpu_plane_destroy_state,
                .atomic_print_state = dpu_plane_atomic_print_state,
                .format_mod_supported = dpu_plane_format_mod_supported,
};

static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
                .prepare_fb = dpu_plane_prepare_fb,
                .cleanup_fb = dpu_plane_cleanup_fb,
                .atomic_check = dpu_plane_atomic_check,
                .atomic_update = dpu_plane_atomic_update,
};

static const struct drm_plane_helper_funcs dpu_plane_virtual_helper_funcs = {
        .prepare_fb = dpu_plane_prepare_fb,
        .cleanup_fb = dpu_plane_cleanup_fb,
        .atomic_check = dpu_plane_virtual_atomic_check,
        .atomic_update = dpu_plane_atomic_update,
};

/* initialize plane */
static struct drm_plane *dpu_plane_init_common(struct drm_device *dev,
                                               enum drm_plane_type type,
                                               unsigned long possible_crtcs,
                                               bool inline_rotation,
                                               const uint32_t *format_list,
                                               uint32_t num_formats,
                                               enum dpu_sspp pipe)
{
        struct drm_plane *plane = NULL;
        struct dpu_plane *pdpu;
        struct msm_drm_private *priv = dev->dev_private;
        struct dpu_kms *kms = to_dpu_kms(priv->kms);
        uint32_t supported_rotations;
        int ret;

        pdpu = drmm_universal_plane_alloc(dev, struct dpu_plane, base,
                                0xff, &dpu_plane_funcs,
                                format_list, num_formats,
                                supported_format_modifiers, type, NULL);
        if (IS_ERR(pdpu))
                return ERR_CAST(pdpu);

        /* cache local stuff for later */
        plane = &pdpu->base;
        pdpu->pipe = pipe;

        pdpu->catalog = kms->catalog;

        ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX);
        if (ret)
                DPU_ERROR("failed to install zpos property, rc = %d\n", ret);

        drm_plane_create_alpha_property(plane);
        drm_plane_create_blend_mode_property(plane,
                        BIT(DRM_MODE_BLEND_PIXEL_NONE) |
                        BIT(DRM_MODE_BLEND_PREMULTI) |
                        BIT(DRM_MODE_BLEND_COVERAGE));

        supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;

        if (inline_rotation)
                supported_rotations |= DRM_MODE_ROTATE_MASK;

        drm_plane_create_rotation_property(plane,
                    DRM_MODE_ROTATE_0, supported_rotations);

        drm_plane_enable_fb_damage_clips(plane);

        DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
                                        pipe, plane->base.id);
        return plane;
}

/**
 * dpu_plane_init - create new dpu plane for the given pipe
 * @dev:   Pointer to DRM device
 * @pipe:  dpu hardware pipe identifier
 * @type:  Plane type - PRIMARY/OVERLAY/CURSOR
 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
 *
 * Initialize the plane.
 */
struct drm_plane *dpu_plane_init(struct drm_device *dev,
                                 uint32_t pipe, enum drm_plane_type type,
                                 unsigned long possible_crtcs)
{
        struct drm_plane *plane = NULL;
        struct msm_drm_private *priv = dev->dev_private;
        struct dpu_kms *kms = to_dpu_kms(priv->kms);
        struct dpu_hw_sspp *pipe_hw;

        /* initialize underlying h/w driver */
        pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
        if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) {
                DPU_ERROR("[%u]SSPP is invalid\n", pipe);
                return ERR_PTR(-EINVAL);
        }


        plane = dpu_plane_init_common(dev, type, possible_crtcs,
                                      pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION),
                                      pipe_hw->cap->sblk->format_list,
                                      pipe_hw->cap->sblk->num_formats,
                                      pipe);
        if (IS_ERR(plane))
                return plane;

        drm_plane_helper_add(plane, &dpu_plane_helper_funcs);

        DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
                                        pipe, plane->base.id);

        return plane;
}

/**
 * dpu_plane_init_virtual - create new virtualized DPU plane
 * @dev:   Pointer to DRM device
 * @type:  Plane type - PRIMARY/OVERLAY/CURSOR
 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
 *
 * Initialize the virtual plane with no backing SSPP / pipe.
 */
struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
                                         enum drm_plane_type type,
                                         unsigned long possible_crtcs)
{
        struct drm_plane *plane = NULL;
        struct msm_drm_private *priv = dev->dev_private;
        struct dpu_kms *kms = to_dpu_kms(priv->kms);
        bool has_inline_rotation = false;
        const u32 *format_list = NULL;
        u32 num_formats = 0;
        int i;

        /* Determine the largest configuration that we can implement */
        for (i = 0; i < kms->catalog->sspp_count; i++) {
                const struct dpu_sspp_cfg *cfg = &kms->catalog->sspp[i];

                if (test_bit(DPU_SSPP_INLINE_ROTATION, &cfg->features))
                        has_inline_rotation = true;

                if (!format_list ||
                    cfg->sblk->csc_blk.len) {
                        format_list = cfg->sblk->format_list;
                        num_formats = cfg->sblk->num_formats;
                }
        }

        plane = dpu_plane_init_common(dev, type, possible_crtcs,
                                      has_inline_rotation,
                                      format_list,
                                      num_formats,
                                      SSPP_NONE);
        if (IS_ERR(plane))
                return plane;

        drm_plane_helper_add(plane, &dpu_plane_virtual_helper_funcs);

        DPU_DEBUG("%s created virtual id:%u\n", plane->name, plane->base.id);

        return plane;
}