root/drivers/gpu/drm/meson/meson_crtc.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2016 BayLibre, SAS
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 * Copyright (C) 2014 Endless Mobile
 *
 * Written by:
 *     Jasper St. Pierre <jstpierre@mecheye.net>
 */

#include <linux/bitfield.h>
#include <linux/soc/amlogic/meson-canvas.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_device.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>

#include "meson_crtc.h"
#include "meson_plane.h"
#include "meson_registers.h"
#include "meson_venc.h"
#include "meson_viu.h"
#include "meson_rdma.h"
#include "meson_vpp.h"
#include "meson_osd_afbcd.h"

#define MESON_G12A_VIU_OFFSET   0x5ec0

/* CRTC definition */

struct meson_crtc {
        struct drm_crtc base;
        struct drm_pending_vblank_event *event;
        struct meson_drm *priv;
        void (*enable_osd1)(struct meson_drm *priv);
        void (*enable_vd1)(struct meson_drm *priv);
        void (*enable_osd1_afbc)(struct meson_drm *priv);
        void (*disable_osd1_afbc)(struct meson_drm *priv);
        unsigned int viu_offset;
        bool vsync_forced;
        bool vsync_disabled;
};
#define to_meson_crtc(x) container_of(x, struct meson_crtc, base)

/* CRTC */

static int meson_crtc_enable_vblank(struct drm_crtc *crtc)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct meson_drm *priv = meson_crtc->priv;

        meson_crtc->vsync_disabled = false;
        meson_venc_enable_vsync(priv);

        return 0;
}

static void meson_crtc_disable_vblank(struct drm_crtc *crtc)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct meson_drm *priv = meson_crtc->priv;

        if (!meson_crtc->vsync_forced) {
                meson_crtc->vsync_disabled = true;
                meson_venc_disable_vsync(priv);
        }
}

static const struct drm_crtc_funcs meson_crtc_funcs = {
        .atomic_destroy_state   = drm_atomic_helper_crtc_destroy_state,
        .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
        .destroy                = drm_crtc_cleanup,
        .page_flip              = drm_atomic_helper_page_flip,
        .reset                  = drm_atomic_helper_crtc_reset,
        .set_config             = drm_atomic_helper_set_config,
        .enable_vblank          = meson_crtc_enable_vblank,
        .disable_vblank         = meson_crtc_disable_vblank,

};

static void meson_g12a_crtc_atomic_enable(struct drm_crtc *crtc,
                                          struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct drm_crtc_state *crtc_state = crtc->state;
        struct meson_drm *priv = meson_crtc->priv;

        DRM_DEBUG_DRIVER("\n");

        if (!crtc_state) {
                DRM_ERROR("Invalid crtc_state\n");
                return;
        }

        /* VD1 Preblend vertical start/end */
        writel(FIELD_PREP(GENMASK(11, 0), 2303),
               priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));

        /* Setup Blender */
        writel(crtc_state->mode.hdisplay |
               crtc_state->mode.vdisplay << 16,
               priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));

        writel_relaxed(0 << 16 |
                        (crtc_state->mode.hdisplay - 1),
                        priv->io_base + _REG(VPP_OSD1_BLD_H_SCOPE));
        writel_relaxed(0 << 16 |
                        (crtc_state->mode.vdisplay - 1),
                        priv->io_base + _REG(VPP_OSD1_BLD_V_SCOPE));
        writel_relaxed(crtc_state->mode.hdisplay << 16 |
                        crtc_state->mode.vdisplay,
                        priv->io_base + _REG(VPP_OUT_H_V_SIZE));

        drm_crtc_vblank_on(crtc);
}

static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
                                     struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct drm_crtc_state *crtc_state = crtc->state;
        struct meson_drm *priv = meson_crtc->priv;

        DRM_DEBUG_DRIVER("\n");

        if (!crtc_state) {
                DRM_ERROR("Invalid crtc_state\n");
                return;
        }

        /* Enable VPP Postblend */
        writel(crtc_state->mode.hdisplay,
               priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));

        /* VD1 Preblend vertical start/end */
        writel(FIELD_PREP(GENMASK(11, 0), 2303),
                        priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));

        writel_bits_relaxed(VPP_POSTBLEND_ENABLE, VPP_POSTBLEND_ENABLE,
                            priv->io_base + _REG(VPP_MISC));

        drm_crtc_vblank_on(crtc);
}

static void meson_g12a_crtc_atomic_disable(struct drm_crtc *crtc,
                                           struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct meson_drm *priv = meson_crtc->priv;

        DRM_DEBUG_DRIVER("\n");

        drm_crtc_vblank_off(crtc);

        priv->viu.osd1_enabled = false;
        priv->viu.osd1_commit = false;

        priv->viu.vd1_enabled = false;
        priv->viu.vd1_commit = false;

        if (crtc->state->event && !crtc->state->active) {
                spin_lock_irq(&crtc->dev->event_lock);
                drm_crtc_send_vblank_event(crtc, crtc->state->event);
                spin_unlock_irq(&crtc->dev->event_lock);

                crtc->state->event = NULL;
        }
}

static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
                                      struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct meson_drm *priv = meson_crtc->priv;

        DRM_DEBUG_DRIVER("\n");

        drm_crtc_vblank_off(crtc);

        priv->viu.osd1_enabled = false;
        priv->viu.osd1_commit = false;

        priv->viu.vd1_enabled = false;
        priv->viu.vd1_commit = false;

        /* Disable VPP Postblend */
        writel_bits_relaxed(VPP_OSD1_POSTBLEND | VPP_VD1_POSTBLEND |
                            VPP_VD1_PREBLEND | VPP_POSTBLEND_ENABLE, 0,
                            priv->io_base + _REG(VPP_MISC));

        if (crtc->state->event && !crtc->state->active) {
                spin_lock_irq(&crtc->dev->event_lock);
                drm_crtc_send_vblank_event(crtc, crtc->state->event);
                spin_unlock_irq(&crtc->dev->event_lock);

                crtc->state->event = NULL;
        }
}

static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
                                    struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        unsigned long flags;

        if (crtc->state->event) {
                WARN_ON(drm_crtc_vblank_get(crtc) != 0);

                spin_lock_irqsave(&crtc->dev->event_lock, flags);
                meson_crtc->event = crtc->state->event;
                spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
                crtc->state->event = NULL;
        }
}

static void meson_crtc_atomic_flush(struct drm_crtc *crtc,
                                    struct drm_atomic_state *state)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
        struct meson_drm *priv = meson_crtc->priv;

        priv->viu.osd1_commit = true;
        priv->viu.vd1_commit = true;
}

static const struct drm_crtc_helper_funcs meson_crtc_helper_funcs = {
        .atomic_begin   = meson_crtc_atomic_begin,
        .atomic_flush   = meson_crtc_atomic_flush,
        .atomic_enable  = meson_crtc_atomic_enable,
        .atomic_disable = meson_crtc_atomic_disable,
};

static const struct drm_crtc_helper_funcs meson_g12a_crtc_helper_funcs = {
        .atomic_begin   = meson_crtc_atomic_begin,
        .atomic_flush   = meson_crtc_atomic_flush,
        .atomic_enable  = meson_g12a_crtc_atomic_enable,
        .atomic_disable = meson_g12a_crtc_atomic_disable,
};

static void meson_crtc_enable_osd1(struct meson_drm *priv)
{
        writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,
                            priv->io_base + _REG(VPP_MISC));
}

static void meson_crtc_g12a_enable_osd1_afbc(struct meson_drm *priv)
{
        writel_relaxed(priv->viu.osd1_blk2_cfg4,
                       priv->io_base + _REG(VIU_OSD1_BLK2_CFG_W4));

        writel_bits_relaxed(OSD_MEM_LINEAR_ADDR, OSD_MEM_LINEAR_ADDR,
                            priv->io_base + _REG(VIU_OSD1_CTRL_STAT));

        writel_relaxed(priv->viu.osd1_blk1_cfg4,
                       priv->io_base + _REG(VIU_OSD1_BLK1_CFG_W4));

        meson_viu_g12a_enable_osd1_afbc(priv);

        writel_bits_relaxed(OSD_MEM_LINEAR_ADDR, OSD_MEM_LINEAR_ADDR,
                            priv->io_base + _REG(VIU_OSD1_CTRL_STAT));

        writel_bits_relaxed(OSD_MALI_SRC_EN, OSD_MALI_SRC_EN,
                            priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W0));
}

static void meson_g12a_crtc_enable_osd1(struct meson_drm *priv)
{
        writel_relaxed(priv->viu.osd_blend_din0_scope_h,
                       priv->io_base +
                       _REG(VIU_OSD_BLEND_DIN0_SCOPE_H));
        writel_relaxed(priv->viu.osd_blend_din0_scope_v,
                       priv->io_base +
                       _REG(VIU_OSD_BLEND_DIN0_SCOPE_V));
        writel_relaxed(priv->viu.osb_blend0_size,
                       priv->io_base +
                       _REG(VIU_OSD_BLEND_BLEND0_SIZE));
        writel_relaxed(priv->viu.osb_blend1_size,
                       priv->io_base +
                       _REG(VIU_OSD_BLEND_BLEND1_SIZE));
        writel_bits_relaxed(3 << 8, 3 << 8,
                            priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
}

static void meson_crtc_enable_vd1(struct meson_drm *priv)
{
        writel_bits_relaxed(VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
                            VPP_COLOR_MNG_ENABLE,
                            VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
                            VPP_COLOR_MNG_ENABLE,
                            priv->io_base + _REG(VPP_MISC));

        writel_bits_relaxed(VIU_CTRL0_AFBC_TO_VD1,
                            priv->viu.vd1_afbc ? VIU_CTRL0_AFBC_TO_VD1 : 0,
                            priv->io_base + _REG(VIU_MISC_CTRL0));
}

static void meson_g12a_crtc_enable_vd1(struct meson_drm *priv)
{
        writel_relaxed(VD_BLEND_PREBLD_SRC_VD1 |
                       VD_BLEND_PREBLD_PREMULT_EN |
                       VD_BLEND_POSTBLD_SRC_VD1 |
                       VD_BLEND_POSTBLD_PREMULT_EN,
                       priv->io_base + _REG(VD1_BLEND_SRC_CTRL));

        writel_relaxed(priv->viu.vd1_afbc ?
                       (VD1_AXI_SEL_AFBC | AFBC_VD1_SEL) : 0,
                       priv->io_base + _REG(VD1_AFBCD0_MISC_CTRL));
}

void meson_crtc_irq(struct meson_drm *priv)
{
        struct meson_crtc *meson_crtc = to_meson_crtc(priv->crtc);
        unsigned long flags;

        /* Update the OSD registers */
        if (priv->viu.osd1_enabled && priv->viu.osd1_commit) {
                writel_relaxed(priv->viu.osd1_ctrl_stat,
                                priv->io_base + _REG(VIU_OSD1_CTRL_STAT));
                writel_relaxed(priv->viu.osd1_ctrl_stat2,
                                priv->io_base + _REG(VIU_OSD1_CTRL_STAT2));
                writel_relaxed(priv->viu.osd1_blk0_cfg[0],
                                priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W0));
                writel_relaxed(priv->viu.osd1_blk0_cfg[1],
                                priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W1));
                writel_relaxed(priv->viu.osd1_blk0_cfg[2],
                                priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W2));
                writel_relaxed(priv->viu.osd1_blk0_cfg[3],
                                priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W3));
                writel_relaxed(priv->viu.osd1_blk0_cfg[4],
                                priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W4));

                if (priv->viu.osd1_afbcd) {
                        if (meson_crtc->enable_osd1_afbc)
                                meson_crtc->enable_osd1_afbc(priv);
                } else {
                        if (meson_crtc->disable_osd1_afbc)
                                meson_crtc->disable_osd1_afbc(priv);
                        if (priv->afbcd.ops) {
                                priv->afbcd.ops->reset(priv);
                                priv->afbcd.ops->disable(priv);
                        }
                        meson_crtc->vsync_forced = false;
                }

                writel_relaxed(priv->viu.osd_sc_ctrl0,
                                priv->io_base + _REG(VPP_OSD_SC_CTRL0));
                writel_relaxed(priv->viu.osd_sc_i_wh_m1,
                                priv->io_base + _REG(VPP_OSD_SCI_WH_M1));
                writel_relaxed(priv->viu.osd_sc_o_h_start_end,
                                priv->io_base + _REG(VPP_OSD_SCO_H_START_END));
                writel_relaxed(priv->viu.osd_sc_o_v_start_end,
                                priv->io_base + _REG(VPP_OSD_SCO_V_START_END));
                writel_relaxed(priv->viu.osd_sc_v_ini_phase,
                                priv->io_base + _REG(VPP_OSD_VSC_INI_PHASE));
                writel_relaxed(priv->viu.osd_sc_v_phase_step,
                                priv->io_base + _REG(VPP_OSD_VSC_PHASE_STEP));
                writel_relaxed(priv->viu.osd_sc_h_ini_phase,
                                priv->io_base + _REG(VPP_OSD_HSC_INI_PHASE));
                writel_relaxed(priv->viu.osd_sc_h_phase_step,
                                priv->io_base + _REG(VPP_OSD_HSC_PHASE_STEP));
                writel_relaxed(priv->viu.osd_sc_h_ctrl0,
                                priv->io_base + _REG(VPP_OSD_HSC_CTRL0));
                writel_relaxed(priv->viu.osd_sc_v_ctrl0,
                                priv->io_base + _REG(VPP_OSD_VSC_CTRL0));

                if (!priv->viu.osd1_afbcd)
                        meson_canvas_config(priv->canvas, priv->canvas_id_osd1,
                                            priv->viu.osd1_addr,
                                            priv->viu.osd1_stride,
                                            priv->viu.osd1_height,
                                            MESON_CANVAS_WRAP_NONE,
                                            MESON_CANVAS_BLKMODE_LINEAR, 0);

                /* Enable OSD1 */
                if (meson_crtc->enable_osd1)
                        meson_crtc->enable_osd1(priv);

                if (priv->viu.osd1_afbcd) {
                        priv->afbcd.ops->reset(priv);
                        priv->afbcd.ops->setup(priv);
                        priv->afbcd.ops->enable(priv);
                        meson_crtc->vsync_forced = true;
                }

                priv->viu.osd1_commit = false;
        }

        /* Update the VD1 registers */
        if (priv->viu.vd1_enabled && priv->viu.vd1_commit) {

                if (priv->viu.vd1_afbc) {
                        writel_relaxed(priv->viu.vd1_afbc_head_addr,
                                       priv->io_base +
                                       _REG(AFBC_HEAD_BADDR));
                        writel_relaxed(priv->viu.vd1_afbc_body_addr,
                                       priv->io_base +
                                       _REG(AFBC_BODY_BADDR));
                        writel_relaxed(priv->viu.vd1_afbc_en,
                                       priv->io_base +
                                       _REG(AFBC_ENABLE));
                        writel_relaxed(priv->viu.vd1_afbc_mode,
                                       priv->io_base +
                                       _REG(AFBC_MODE));
                        writel_relaxed(priv->viu.vd1_afbc_size_in,
                                       priv->io_base +
                                       _REG(AFBC_SIZE_IN));
                        writel_relaxed(priv->viu.vd1_afbc_dec_def_color,
                                       priv->io_base +
                                       _REG(AFBC_DEC_DEF_COLOR));
                        writel_relaxed(priv->viu.vd1_afbc_conv_ctrl,
                                       priv->io_base +
                                       _REG(AFBC_CONV_CTRL));
                        writel_relaxed(priv->viu.vd1_afbc_size_out,
                                       priv->io_base +
                                       _REG(AFBC_SIZE_OUT));
                        writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_ctrl,
                                       priv->io_base +
                                       _REG(AFBC_VD_CFMT_CTRL));
                        writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_w,
                                       priv->io_base +
                                       _REG(AFBC_VD_CFMT_W));
                        writel_relaxed(priv->viu.vd1_afbc_mif_hor_scope,
                                       priv->io_base +
                                       _REG(AFBC_MIF_HOR_SCOPE));
                        writel_relaxed(priv->viu.vd1_afbc_mif_ver_scope,
                                       priv->io_base +
                                       _REG(AFBC_MIF_VER_SCOPE));
                        writel_relaxed(priv->viu.vd1_afbc_pixel_hor_scope,
                                       priv->io_base+
                                       _REG(AFBC_PIXEL_HOR_SCOPE));
                        writel_relaxed(priv->viu.vd1_afbc_pixel_ver_scope,
                                       priv->io_base +
                                       _REG(AFBC_PIXEL_VER_SCOPE));
                        writel_relaxed(priv->viu.vd1_afbc_vd_cfmt_h,
                                       priv->io_base +
                                       _REG(AFBC_VD_CFMT_H));
                } else {
                        switch (priv->viu.vd1_planes) {
                        case 3:
                                meson_canvas_config(priv->canvas,
                                                    priv->canvas_id_vd1_2,
                                                    priv->viu.vd1_addr2,
                                                    priv->viu.vd1_stride2,
                                                    priv->viu.vd1_height2,
                                                    MESON_CANVAS_WRAP_NONE,
                                                    MESON_CANVAS_BLKMODE_LINEAR,
                                                    MESON_CANVAS_ENDIAN_SWAP64);
                                fallthrough;
                        case 2:
                                meson_canvas_config(priv->canvas,
                                                    priv->canvas_id_vd1_1,
                                                    priv->viu.vd1_addr1,
                                                    priv->viu.vd1_stride1,
                                                    priv->viu.vd1_height1,
                                                    MESON_CANVAS_WRAP_NONE,
                                                    MESON_CANVAS_BLKMODE_LINEAR,
                                                    MESON_CANVAS_ENDIAN_SWAP64);
                                fallthrough;
                        case 1:
                                meson_canvas_config(priv->canvas,
                                                    priv->canvas_id_vd1_0,
                                                    priv->viu.vd1_addr0,
                                                    priv->viu.vd1_stride0,
                                                    priv->viu.vd1_height0,
                                                    MESON_CANVAS_WRAP_NONE,
                                                    MESON_CANVAS_BLKMODE_LINEAR,
                                                    MESON_CANVAS_ENDIAN_SWAP64);
                        }

                        writel_relaxed(0, priv->io_base + _REG(AFBC_ENABLE));
                }

                writel_relaxed(priv->viu.vd1_if0_gen_reg,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_GEN_REG));
                writel_relaxed(priv->viu.vd1_if0_gen_reg,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_GEN_REG));
                writel_relaxed(priv->viu.vd1_if0_gen_reg2,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_GEN_REG2));
                writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VIU_VD1_FMT_CTRL));
                writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VIU_VD2_FMT_CTRL));
                writel_relaxed(priv->viu.viu_vd1_fmt_w,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VIU_VD1_FMT_W));
                writel_relaxed(priv->viu.viu_vd1_fmt_w,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VIU_VD2_FMT_W));
                writel_relaxed(priv->viu.vd1_if0_canvas0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CANVAS0));
                writel_relaxed(priv->viu.vd1_if0_canvas0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CANVAS1));
                writel_relaxed(priv->viu.vd1_if0_canvas0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CANVAS0));
                writel_relaxed(priv->viu.vd1_if0_canvas0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CANVAS1));
                writel_relaxed(priv->viu.vd1_if0_luma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA_X0));
                writel_relaxed(priv->viu.vd1_if0_luma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA_X1));
                writel_relaxed(priv->viu.vd1_if0_luma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA_X0));
                writel_relaxed(priv->viu.vd1_if0_luma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA_X1));
                writel_relaxed(priv->viu.vd1_if0_luma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA_Y0));
                writel_relaxed(priv->viu.vd1_if0_luma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA_Y1));
                writel_relaxed(priv->viu.vd1_if0_luma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA_Y0));
                writel_relaxed(priv->viu.vd1_if0_luma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA_Y1));
                writel_relaxed(priv->viu.vd1_if0_chroma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA_X0));
                writel_relaxed(priv->viu.vd1_if0_chroma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA_X1));
                writel_relaxed(priv->viu.vd1_if0_chroma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA_X0));
                writel_relaxed(priv->viu.vd1_if0_chroma_x0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA_X1));
                writel_relaxed(priv->viu.vd1_if0_chroma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA_Y0));
                writel_relaxed(priv->viu.vd1_if0_chroma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA_Y1));
                writel_relaxed(priv->viu.vd1_if0_chroma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA_Y0));
                writel_relaxed(priv->viu.vd1_if0_chroma_y0,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA_Y1));
                writel_relaxed(priv->viu.vd1_if0_repeat_loop,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_RPT_LOOP));
                writel_relaxed(priv->viu.vd1_if0_repeat_loop,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_RPT_LOOP));
                writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA0_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA0_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA1_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA1_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA0_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA0_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA1_RPT_PAT));
                writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA1_RPT_PAT));
                writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_LUMA_PSEL));
                writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_CHROMA_PSEL));
                writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_LUMA_PSEL));
                writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
                                _REG(VD2_IF0_CHROMA_PSEL));
                writel_relaxed(priv->viu.vd1_range_map_y,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_RANGE_MAP_Y));
                writel_relaxed(priv->viu.vd1_range_map_cb,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_RANGE_MAP_CB));
                writel_relaxed(priv->viu.vd1_range_map_cr,
                                priv->io_base + meson_crtc->viu_offset +
                                _REG(VD1_IF0_RANGE_MAP_CR));
                writel_relaxed(VPP_VSC_BANK_LENGTH(4) |
                               VPP_HSC_BANK_LENGTH(4) |
                               VPP_SC_VD_EN_ENABLE |
                               VPP_SC_TOP_EN_ENABLE |
                               VPP_SC_HSC_EN_ENABLE |
                               VPP_SC_VSC_EN_ENABLE,
                                priv->io_base + _REG(VPP_SC_MISC));
                writel_relaxed(priv->viu.vpp_pic_in_height,
                                priv->io_base + _REG(VPP_PIC_IN_HEIGHT));
                writel_relaxed(priv->viu.vpp_postblend_vd1_h_start_end,
                        priv->io_base + _REG(VPP_POSTBLEND_VD1_H_START_END));
                writel_relaxed(priv->viu.vpp_blend_vd2_h_start_end,
                        priv->io_base + _REG(VPP_BLEND_VD2_H_START_END));
                writel_relaxed(priv->viu.vpp_postblend_vd1_v_start_end,
                        priv->io_base + _REG(VPP_POSTBLEND_VD1_V_START_END));
                writel_relaxed(priv->viu.vpp_blend_vd2_v_start_end,
                        priv->io_base + _REG(VPP_BLEND_VD2_V_START_END));
                writel_relaxed(priv->viu.vpp_hsc_region12_startp,
                                priv->io_base + _REG(VPP_HSC_REGION12_STARTP));
                writel_relaxed(priv->viu.vpp_hsc_region34_startp,
                                priv->io_base + _REG(VPP_HSC_REGION34_STARTP));
                writel_relaxed(priv->viu.vpp_hsc_region4_endp,
                                priv->io_base + _REG(VPP_HSC_REGION4_ENDP));
                writel_relaxed(priv->viu.vpp_hsc_start_phase_step,
                                priv->io_base + _REG(VPP_HSC_START_PHASE_STEP));
                writel_relaxed(priv->viu.vpp_hsc_region1_phase_slope,
                        priv->io_base + _REG(VPP_HSC_REGION1_PHASE_SLOPE));
                writel_relaxed(priv->viu.vpp_hsc_region3_phase_slope,
                        priv->io_base + _REG(VPP_HSC_REGION3_PHASE_SLOPE));
                writel_relaxed(priv->viu.vpp_line_in_length,
                                priv->io_base + _REG(VPP_LINE_IN_LENGTH));
                writel_relaxed(priv->viu.vpp_preblend_h_size,
                                priv->io_base + _REG(VPP_PREBLEND_H_SIZE));
                writel_relaxed(priv->viu.vpp_vsc_region12_startp,
                                priv->io_base + _REG(VPP_VSC_REGION12_STARTP));
                writel_relaxed(priv->viu.vpp_vsc_region34_startp,
                                priv->io_base + _REG(VPP_VSC_REGION34_STARTP));
                writel_relaxed(priv->viu.vpp_vsc_region4_endp,
                                priv->io_base + _REG(VPP_VSC_REGION4_ENDP));
                writel_relaxed(priv->viu.vpp_vsc_start_phase_step,
                                priv->io_base + _REG(VPP_VSC_START_PHASE_STEP));
                writel_relaxed(priv->viu.vpp_vsc_ini_phase,
                                priv->io_base + _REG(VPP_VSC_INI_PHASE));
                writel_relaxed(priv->viu.vpp_vsc_phase_ctrl,
                                priv->io_base + _REG(VPP_VSC_PHASE_CTRL));
                writel_relaxed(priv->viu.vpp_hsc_phase_ctrl,
                                priv->io_base + _REG(VPP_HSC_PHASE_CTRL));
                writel_relaxed(0x42, priv->io_base + _REG(VPP_SCALE_COEF_IDX));

                /* Enable VD1 */
                if (meson_crtc->enable_vd1)
                        meson_crtc->enable_vd1(priv);

                priv->viu.vd1_commit = false;
        }

        if (meson_crtc->vsync_disabled)
                return;

        drm_crtc_handle_vblank(priv->crtc);

        spin_lock_irqsave(&priv->drm->event_lock, flags);
        if (meson_crtc->event) {
                drm_crtc_send_vblank_event(priv->crtc, meson_crtc->event);
                drm_crtc_vblank_put(priv->crtc);
                meson_crtc->event = NULL;
        }
        spin_unlock_irqrestore(&priv->drm->event_lock, flags);
}

int meson_crtc_create(struct meson_drm *priv)
{
        struct meson_crtc *meson_crtc;
        struct drm_crtc *crtc;
        int ret;

        meson_crtc = devm_kzalloc(priv->drm->dev, sizeof(*meson_crtc),
                                  GFP_KERNEL);
        if (!meson_crtc)
                return -ENOMEM;

        meson_crtc->priv = priv;
        crtc = &meson_crtc->base;
        ret = drm_crtc_init_with_planes(priv->drm, crtc,
                                        priv->primary_plane, NULL,
                                        &meson_crtc_funcs, "meson_crtc");
        if (ret) {
                dev_err(priv->drm->dev, "Failed to init CRTC\n");
                return ret;
        }

        if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
                meson_crtc->enable_osd1 = meson_g12a_crtc_enable_osd1;
                meson_crtc->enable_vd1 = meson_g12a_crtc_enable_vd1;
                meson_crtc->viu_offset = MESON_G12A_VIU_OFFSET;
                meson_crtc->enable_osd1_afbc =
                                        meson_crtc_g12a_enable_osd1_afbc;
                meson_crtc->disable_osd1_afbc =
                                        meson_viu_g12a_disable_osd1_afbc;
                drm_crtc_helper_add(crtc, &meson_g12a_crtc_helper_funcs);
        } else {
                meson_crtc->enable_osd1 = meson_crtc_enable_osd1;
                meson_crtc->enable_vd1 = meson_crtc_enable_vd1;
                if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) {
                        meson_crtc->enable_osd1_afbc =
                                        meson_viu_gxm_enable_osd1_afbc;
                        meson_crtc->disable_osd1_afbc =
                                        meson_viu_gxm_disable_osd1_afbc;
                }
                drm_crtc_helper_add(crtc, &meson_crtc_helper_funcs);
        }

        priv->crtc = crtc;

        return 0;
}