1 files changed, 1660 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
new file mode 100644
index 000000000..8aa9f2335
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -0,0 +1,1660 @@
+// 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_uapi.h>
+#include <drm/drm_damage_helper.h>
+#include <drm/drm_file.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+
+#include "msm_drv.h"
+#include "dpu_kms.h"
+#include "dpu_formats.h"
+#include "dpu_hw_sspp.h"
+#include "dpu_hw_catalog_format.h"
+#include "dpu_trace.h"
+#include "dpu_crtc.h"
+#include "dpu_vbif.h"
+#include "dpu_plane.h"
+
+#define DPU_DEBUG_PLANE(pl, fmt, ...) DPU_DEBUG("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_NAME_SIZE  12
+
+#define DPU_PLANE_COLOR_FILL_FLAG	BIT(31)
+#define DPU_ZPOS_MAX 255
+
+/* multirect rect index */
+enum {
+	R0,
+	R1,
+	R_MAX
+};
+
+/*
+ * 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
+
+/**
+ * enum dpu_plane_qos - Different qos configurations for each pipe
+ *
+ * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe.
+ * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe.
+ *	this configuration is mutually exclusive from VBLANK_CTRL.
+ * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe.
+ */
+enum dpu_plane_qos {
+	DPU_PLANE_QOS_VBLANK_CTRL = BIT(0),
+	DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1),
+	DPU_PLANE_QOS_PANIC_CTRL = BIT(2),
+};
+
+/*
+ * struct dpu_plane - local dpu plane structure
+ * @aspace: address space pointer
+ * @csc_ptr: Points to dpu_csc_cfg structure to use for current
+ * @mplane_list: List of multirect planes of the same pipe
+ * @catalog: Points to dpu catalog structure
+ * @revalidate: force revalidation of all the plane properties
+ */
+struct dpu_plane {
+	struct drm_plane base;
+
+	struct mutex lock;
+
+	enum dpu_sspp pipe;
+	uint32_t features;      /* capabilities from catalog */
+
+	struct dpu_hw_pipe *pipe_hw;
+	struct dpu_hw_pipe_cfg pipe_cfg;
+	struct dpu_hw_pipe_qos_cfg pipe_qos_cfg;
+	uint32_t color_fill;
+	bool is_error;
+	bool is_rt_pipe;
+	bool is_virtual;
+	struct list_head mplane_list;
+	struct dpu_mdss_cfg *catalog;
+
+	struct dpu_csc_cfg *csc_ptr;
+
+	const struct dpu_sspp_sub_blks *pipe_sblk;
+	char pipe_name[DPU_NAME_SIZE];
+
+	/* debugfs related stuff */
+	struct dentry *debugfs_root;
+	struct dpu_debugfs_regset32 debugfs_src;
+	struct dpu_debugfs_regset32 debugfs_scaler;
+	struct dpu_debugfs_regset32 debugfs_csc;
+	bool debugfs_default_scale;
+};
+
+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
+ * @Plane: Pointer to drm plane.
+ * 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 void _dpu_plane_calc_bw(struct drm_plane *plane,
+	struct drm_framebuffer *fb)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct dpu_plane_state *pstate;
+	struct drm_display_mode *mode;
+	const struct dpu_format *fmt = NULL;
+	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+	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;
+
+	pstate = to_dpu_plane_state(plane->state);
+	mode = &plane->state->crtc->mode;
+
+	fmt = dpu_get_dpu_format_ext(fb->format->format, fb->modifier);
+
+	src_width = drm_rect_width(&pdpu->pipe_cfg.src_rect);
+	src_height = drm_rect_height(&pdpu->pipe_cfg.src_rect);
+	dst_height = drm_rect_height(&pdpu->pipe_cfg.dst_rect);
+	fps = drm_mode_vrefresh(mode);
+	vbp = mode->vtotal - mode->vsync_end;
+	vpw = mode->vsync_end - mode->vsync_start;
+	hw_latency_lines =  dpu_kms->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;
+
+	do_div(plane_prefill_bw, (vbp+vpw));
+
+	pstate->plane_fetch_bw = max(plane_bw, plane_prefill_bw);
+}
+
+/**
+ * _dpu_plane_calc_clk - calculate clock required for a plane
+ * @Plane: Pointer to drm plane.
+ * Result: Updates calculated clock in the plane state.
+ * Clock equation: dst_w * v_total * fps * (src_h / dst_h)
+ */
+static void _dpu_plane_calc_clk(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct dpu_plane_state *pstate;
+	struct drm_display_mode *mode;
+	int dst_width, src_height, dst_height, fps;
+
+	pstate = to_dpu_plane_state(plane->state);
+	mode = &plane->state->crtc->mode;
+
+	src_height = drm_rect_height(&pdpu->pipe_cfg.src_rect);
+	dst_width = drm_rect_width(&pdpu->pipe_cfg.dst_rect);
+	dst_height = drm_rect_height(&pdpu->pipe_cfg.dst_rect);
+	fps = drm_mode_vrefresh(mode);
+
+	pstate->plane_clk =
+		dst_width * mode->vtotal * fps;
+
+	if (src_height > dst_height) {
+		pstate->plane_clk *= src_height;
+		do_div(pstate->plane_clk, dst_height);
+	}
+}
+
+/**
+ * _dpu_plane_calc_fill_level - calculate fill level of the given source format
+ * @plane:		Pointer to drm plane
+ * @fmt:		Pointer to source buffer format
+ * @src_wdith:		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,
+		const struct dpu_format *fmt, u32 src_width)
+{
+	struct dpu_plane *pdpu, *tmp;
+	struct dpu_plane_state *pstate;
+	u32 fixed_buff_size;
+	u32 total_fl;
+
+	if (!fmt || !plane->state || !src_width || !fmt->bpp) {
+		DPU_ERROR("invalid arguments\n");
+		return 0;
+	}
+
+	pdpu = to_dpu_plane(plane);
+	pstate = to_dpu_plane_state(plane->state);
+	fixed_buff_size = pdpu->catalog->caps->pixel_ram_size;
+
+	list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) {
+		if (!tmp->base.state->visible)
+			continue;
+		DPU_DEBUG("plane%d/%d src_width:%d/%d\n",
+				pdpu->base.base.id, tmp->base.base.id,
+				src_width,
+				drm_rect_width(&tmp->pipe_cfg.src_rect));
+		src_width = max_t(u32, src_width,
+				  drm_rect_width(&tmp->pipe_cfg.src_rect));
+	}
+
+	if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) {
+		if (fmt->chroma_sample == DPU_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 (pstate->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%u: pnum:%d fmt: %4.4s w:%u fl:%u\n",
+			plane->base.id, pdpu->pipe - SSPP_VIG0,
+			(char *)&fmt->base.pixel_format,
+			src_width, total_fl);
+
+	return total_fl;
+}
+
+/**
+ * _dpu_plane_get_qos_lut - get LUT mapping based on fill level
+ * @tbl:		Pointer to LUT table
+ * @total_fl:		fill level
+ * Return: LUT setting corresponding to the fill level
+ */
+static u64 _dpu_plane_get_qos_lut(const struct dpu_qos_lut_tbl *tbl,
+		u32 total_fl)
+{
+	int i;
+
+	if (!tbl || !tbl->nentry || !tbl->entries)
+		return 0;
+
+	for (i = 0; i < tbl->nentry; i++)
+		if (total_fl <= tbl->entries[i].fl)
+			return tbl->entries[i].lut;
+
+	/* if last fl is zero, use as default */
+	if (!tbl->entries[i-1].fl)
+		return tbl->entries[i-1].lut;
+
+	return 0;
+}
+
+/**
+ * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
+ * @plane:		Pointer to drm plane
+ * @fb:			Pointer to framebuffer associated with the given plane
+ */
+static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
+		struct drm_framebuffer *fb)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	const struct dpu_format *fmt = NULL;
+	u64 qos_lut;
+	u32 total_fl = 0, lut_usage;
+
+	if (!pdpu->is_rt_pipe) {
+		lut_usage = DPU_QOS_LUT_USAGE_NRT;
+	} else {
+		fmt = dpu_get_dpu_format_ext(
+				fb->format->format,
+				fb->modifier);
+		total_fl = _dpu_plane_calc_fill_level(plane, fmt,
+				drm_rect_width(&pdpu->pipe_cfg.src_rect));
+
+		if (fmt && DPU_FORMAT_IS_LINEAR(fmt))
+			lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
+		else
+			lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
+	}
+
+	qos_lut = _dpu_plane_get_qos_lut(
+			&pdpu->catalog->perf.qos_lut_tbl[lut_usage], total_fl);
+
+	pdpu->pipe_qos_cfg.creq_lut = qos_lut;
+
+	trace_dpu_perf_set_qos_luts(pdpu->pipe - SSPP_VIG0,
+			(fmt) ? fmt->base.pixel_format : 0,
+			pdpu->is_rt_pipe, total_fl, qos_lut, lut_usage);
+
+	DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n",
+			plane->base.id,
+			pdpu->pipe - SSPP_VIG0,
+			fmt ? (char *)&fmt->base.pixel_format : NULL,
+			pdpu->is_rt_pipe, total_fl, qos_lut);
+
+	pdpu->pipe_hw->ops.setup_creq_lut(pdpu->pipe_hw, &pdpu->pipe_qos_cfg);
+}
+
+/**
+ * _dpu_plane_set_panic_lut - set danger/safe LUT of the given plane
+ * @plane:		Pointer to drm plane
+ * @fb:			Pointer to framebuffer associated with the given plane
+ */
+static void _dpu_plane_set_danger_lut(struct drm_plane *plane,
+		struct drm_framebuffer *fb)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	const struct dpu_format *fmt = NULL;
+	u32 danger_lut, safe_lut;
+
+	if (!pdpu->is_rt_pipe) {
+		danger_lut = pdpu->catalog->perf.danger_lut_tbl
+				[DPU_QOS_LUT_USAGE_NRT];
+		safe_lut = pdpu->catalog->perf.safe_lut_tbl
+				[DPU_QOS_LUT_USAGE_NRT];
+	} else {
+		fmt = dpu_get_dpu_format_ext(
+				fb->format->format,
+				fb->modifier);
+
+		if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) {
+			danger_lut = pdpu->catalog->perf.danger_lut_tbl
+					[DPU_QOS_LUT_USAGE_LINEAR];
+			safe_lut = pdpu->catalog->perf.safe_lut_tbl
+					[DPU_QOS_LUT_USAGE_LINEAR];
+		} else {
+			danger_lut = pdpu->catalog->perf.danger_lut_tbl
+					[DPU_QOS_LUT_USAGE_MACROTILE];
+			safe_lut = pdpu->catalog->perf.safe_lut_tbl
+					[DPU_QOS_LUT_USAGE_MACROTILE];
+		}
+	}
+
+	pdpu->pipe_qos_cfg.danger_lut = danger_lut;
+	pdpu->pipe_qos_cfg.safe_lut = safe_lut;
+
+	trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
+			(fmt) ? fmt->base.pixel_format : 0,
+			(fmt) ? fmt->fetch_mode : 0,
+			pdpu->pipe_qos_cfg.danger_lut,
+			pdpu->pipe_qos_cfg.safe_lut);
+
+	DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n",
+		plane->base.id,
+		pdpu->pipe - SSPP_VIG0,
+		fmt ? (char *)&fmt->base.pixel_format : NULL,
+		fmt ? fmt->fetch_mode : -1,
+		pdpu->pipe_qos_cfg.danger_lut,
+		pdpu->pipe_qos_cfg.safe_lut);
+
+	pdpu->pipe_hw->ops.setup_danger_safe_lut(pdpu->pipe_hw,
+			&pdpu->pipe_qos_cfg);
+}
+
+/**
+ * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
+ * @plane:		Pointer to drm plane
+ * @enable:		true to enable QoS control
+ * @flags:		QoS control mode (enum dpu_plane_qos)
+ */
+static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
+	bool enable, u32 flags)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+
+	if (flags & DPU_PLANE_QOS_VBLANK_CTRL) {
+		pdpu->pipe_qos_cfg.creq_vblank = pdpu->pipe_sblk->creq_vblank;
+		pdpu->pipe_qos_cfg.danger_vblank =
+				pdpu->pipe_sblk->danger_vblank;
+		pdpu->pipe_qos_cfg.vblank_en = enable;
+	}
+
+	if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) {
+		/* this feature overrules previous VBLANK_CTRL */
+		pdpu->pipe_qos_cfg.vblank_en = false;
+		pdpu->pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */
+	}
+
+	if (flags & DPU_PLANE_QOS_PANIC_CTRL)
+		pdpu->pipe_qos_cfg.danger_safe_en = enable;
+
+	if (!pdpu->is_rt_pipe) {
+		pdpu->pipe_qos_cfg.vblank_en = false;
+		pdpu->pipe_qos_cfg.danger_safe_en = false;
+	}
+
+	DPU_DEBUG("plane%u: pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n",
+		plane->base.id,
+		pdpu->pipe - SSPP_VIG0,
+		pdpu->pipe_qos_cfg.danger_safe_en,
+		pdpu->pipe_qos_cfg.vblank_en,
+		pdpu->pipe_qos_cfg.creq_vblank,
+		pdpu->pipe_qos_cfg.danger_vblank,
+		pdpu->is_rt_pipe);
+
+	pdpu->pipe_hw->ops.setup_qos_ctrl(pdpu->pipe_hw,
+			&pdpu->pipe_qos_cfg);
+}
+
+/**
+ * _dpu_plane_set_ot_limit - set OT limit for the given plane
+ * @plane:		Pointer to drm plane
+ * @crtc:		Pointer to drm crtc
+ */
+static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
+		struct drm_crtc *crtc)
+{
+	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);
+
+	memset(&ot_params, 0, sizeof(ot_params));
+	ot_params.xin_id = pdpu->pipe_hw->cap->xin_id;
+	ot_params.num = pdpu->pipe_hw->idx - SSPP_NONE;
+	ot_params.width = drm_rect_width(&pdpu->pipe_cfg.src_rect);
+	ot_params.height = drm_rect_height(&pdpu->pipe_cfg.src_rect);
+	ot_params.is_wfd = !pdpu->is_rt_pipe;
+	ot_params.frame_rate = drm_mode_vrefresh(&crtc->mode);
+	ot_params.vbif_idx = VBIF_RT;
+	ot_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
+	ot_params.rd = true;
+
+	dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
+}
+
+/**
+ * _dpu_plane_set_vbif_qos - set vbif QoS for the given plane
+ * @plane:		Pointer to drm plane
+ */
+static void _dpu_plane_set_qos_remap(struct drm_plane *plane)
+{
+	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);
+
+	memset(&qos_params, 0, sizeof(qos_params));
+	qos_params.vbif_idx = VBIF_RT;
+	qos_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
+	qos_params.xin_id = pdpu->pipe_hw->cap->xin_id;
+	qos_params.num = pdpu->pipe_hw->idx - SSPP_VIG0;
+	qos_params.is_rt = pdpu->is_rt_pipe;
+
+	DPU_DEBUG("plane%d pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
+			plane->base.id, qos_params.num,
+			qos_params.vbif_idx,
+			qos_params.xin_id, qos_params.is_rt,
+			qos_params.clk_ctrl);
+
+	dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
+}
+
+static void _dpu_plane_set_scanout(struct drm_plane *plane,
+		struct dpu_plane_state *pstate,
+		struct dpu_hw_pipe_cfg *pipe_cfg,
+		struct drm_framebuffer *fb)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
+	struct msm_gem_address_space *aspace = kms->base.aspace;
+	int ret;
+
+	ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout);
+	if (ret == -EAGAIN)
+		DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n");
+	else if (ret)
+		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
+	else if (pdpu->pipe_hw->ops.setup_sourceaddress) {
+		trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx,
+					    &pipe_cfg->layout,
+					    pstate->multirect_index);
+		pdpu->pipe_hw->ops.setup_sourceaddress(pdpu->pipe_hw, pipe_cfg,
+						pstate->multirect_index);
+	}
+}
+
+static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
+		struct dpu_plane_state *pstate,
+		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 dpu_format *fmt,
+		uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
+{
+	uint32_t i;
+
+	memset(scale_cfg, 0, sizeof(*scale_cfg));
+	memset(&pstate->pixel_ext, 0, sizeof(struct dpu_hw_pixel_ext));
+
+	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 (pdpu->pipe_hw->cap->features &
+			BIT(DPU_SSPP_SCALER_QSEED4)) {
+			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;
+		}
+
+		pstate->pixel_ext.num_ext_pxls_top[i] =
+			scale_cfg->src_height[i];
+		pstate->pixel_ext.num_ext_pxls_left[i] =
+			scale_cfg->src_width[i];
+	}
+	if (!(DPU_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_csc(struct dpu_plane *pdpu)
+{
+	static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = {
+		{
+			/* S15.16 format */
+			0x00012A00, 0x00000000, 0x00019880,
+			0x00012A00, 0xFFFF9B80, 0xFFFF3000,
+			0x00012A00, 0x00020480, 0x00000000,
+		},
+		/* signed bias */
+		{ 0xfff0, 0xff80, 0xff80,},
+		{ 0x0, 0x0, 0x0,},
+		/* unsigned clamp */
+		{ 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,},
+		{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,},
+	};
+	static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = {
+		{
+			/* S15.16 format */
+			0x00012A00, 0x00000000, 0x00019880,
+			0x00012A00, 0xFFFF9B80, 0xFFFF3000,
+			0x00012A00, 0x00020480, 0x00000000,
+			},
+		/* signed bias */
+		{ 0xffc0, 0xfe00, 0xfe00,},
+		{ 0x0, 0x0, 0x0,},
+		/* unsigned clamp */
+		{ 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,},
+		{ 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,},
+	};
+
+	if (!pdpu) {
+		DPU_ERROR("invalid plane\n");
+		return;
+	}
+
+	if (BIT(DPU_SSPP_CSC_10BIT) & pdpu->features)
+		pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc10_YUV2RGB_601L;
+	else
+		pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc_YUV2RGB_601L;
+
+	DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
+			pdpu->csc_ptr->csc_mv[0],
+			pdpu->csc_ptr->csc_mv[1],
+			pdpu->csc_ptr->csc_mv[2]);
+}
+
+static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu,
+		struct dpu_plane_state *pstate,
+		const struct dpu_format *fmt, bool color_fill)
+{
+	const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format);
+
+	/* don't chroma subsample if decimating */
+	/* update scaler. calculate default config for QSEED3 */
+	_dpu_plane_setup_scaler3(pdpu, pstate,
+			drm_rect_width(&pdpu->pipe_cfg.src_rect),
+			drm_rect_height(&pdpu->pipe_cfg.src_rect),
+			drm_rect_width(&pdpu->pipe_cfg.dst_rect),
+			drm_rect_height(&pdpu->pipe_cfg.dst_rect),
+			&pstate->scaler3_cfg, fmt,
+			info->hsub, info->vsub);
+}
+
+/**
+ * _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
+ * Returns: 0 on success
+ */
+static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
+		uint32_t color, uint32_t alpha)
+{
+	const struct dpu_format *fmt;
+	const struct drm_plane *plane = &pdpu->base;
+	struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
+
+	DPU_DEBUG_PLANE(pdpu, "\n");
+
+	/*
+	 * select fill format to match user property expectation,
+	 * h/w only supports RGB variants
+	 */
+	fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+
+	/* update sspp */
+	if (fmt && pdpu->pipe_hw->ops.setup_solidfill) {
+		pdpu->pipe_hw->ops.setup_solidfill(pdpu->pipe_hw,
+				(color & 0xFFFFFF) | ((alpha & 0xFF) << 24),
+				pstate->multirect_index);
+
+		/* override scaler/decimation if solid fill */
+		pdpu->pipe_cfg.src_rect.x1 = 0;
+		pdpu->pipe_cfg.src_rect.y1 = 0;
+		pdpu->pipe_cfg.src_rect.x2 =
+			drm_rect_width(&pdpu->pipe_cfg.dst_rect);
+		pdpu->pipe_cfg.src_rect.y2 =
+			drm_rect_height(&pdpu->pipe_cfg.dst_rect);
+		_dpu_plane_setup_scaler(pdpu, pstate, fmt, true);
+
+		if (pdpu->pipe_hw->ops.setup_format)
+			pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw,
+					fmt, DPU_SSPP_SOLID_FILL,
+					pstate->multirect_index);
+
+		if (pdpu->pipe_hw->ops.setup_rects)
+			pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
+					&pdpu->pipe_cfg,
+					pstate->multirect_index);
+
+		if (pdpu->pipe_hw->ops.setup_pe)
+			pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
+					&pstate->pixel_ext);
+
+		if (pdpu->pipe_hw->ops.setup_scaler &&
+				pstate->multirect_index != DPU_SSPP_RECT_1)
+			pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
+					&pdpu->pipe_cfg, &pstate->pixel_ext,
+					&pstate->scaler3_cfg);
+	}
+
+	return 0;
+}
+
+void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state)
+{
+	struct dpu_plane_state *pstate = to_dpu_plane_state(drm_state);
+
+	pstate->multirect_index = DPU_SSPP_RECT_SOLO;
+	pstate->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+}
+
+int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
+{
+	struct dpu_plane_state *pstate[R_MAX];
+	const struct drm_plane_state *drm_state[R_MAX];
+	struct drm_rect src[R_MAX], dst[R_MAX];
+	struct dpu_plane *dpu_plane[R_MAX];
+	const struct dpu_format *fmt[R_MAX];
+	int i, buffer_lines;
+	unsigned int max_tile_height = 1;
+	bool parallel_fetch_qualified = true;
+	bool has_tiled_rect = false;
+
+	for (i = 0; i < R_MAX; i++) {
+		const struct msm_format *msm_fmt;
+
+		drm_state[i] = i ? plane->r1 : plane->r0;
+		msm_fmt = msm_framebuffer_format(drm_state[i]->fb);
+		fmt[i] = to_dpu_format(msm_fmt);
+
+		if (DPU_FORMAT_IS_UBWC(fmt[i])) {
+			has_tiled_rect = true;
+			if (fmt[i]->tile_height > max_tile_height)
+				max_tile_height = fmt[i]->tile_height;
+		}
+	}
+
+	for (i = 0; i < R_MAX; i++) {
+		int width_threshold;
+
+		pstate[i] = to_dpu_plane_state(drm_state[i]);
+		dpu_plane[i] = to_dpu_plane(drm_state[i]->plane);
+
+		if (pstate[i] == NULL) {
+			DPU_ERROR("DPU plane state of plane id %d is NULL\n",
+				drm_state[i]->plane->base.id);
+			return -EINVAL;
+		}
+
+		src[i].x1 = drm_state[i]->src_x >> 16;
+		src[i].y1 = drm_state[i]->src_y >> 16;
+		src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16);
+		src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16);
+
+		dst[i] = drm_plane_state_dest(drm_state[i]);
+
+		if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 ||
+		    drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) {
+			DPU_ERROR_PLANE(dpu_plane[i],
+				"scaling is not supported in multirect mode\n");
+			return -EINVAL;
+		}
+
+		if (DPU_FORMAT_IS_YUV(fmt[i])) {
+			DPU_ERROR_PLANE(dpu_plane[i],
+				"Unsupported format for multirect mode\n");
+			return -EINVAL;
+		}
+
+		/**
+		 * SSPP PD_MEM is split half - one for each RECT.
+		 * Tiled formats need 5 lines of buffering while fetching
+		 * whereas linear formats need only 2 lines.
+		 * So we cannot support more than half of the supported SSPP
+		 * width for tiled formats.
+		 */
+		width_threshold = dpu_plane[i]->catalog->caps->max_linewidth;
+		if (has_tiled_rect)
+			width_threshold /= 2;
+
+		if (parallel_fetch_qualified &&
+		    drm_rect_width(&src[i]) > width_threshold)
+			parallel_fetch_qualified = false;
+
+	}
+
+	/* Validate RECT's and set the mode */
+
+	/* Prefer PARALLEL FETCH Mode over TIME_MX Mode */
+	if (parallel_fetch_qualified) {
+		pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
+		pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
+
+		goto done;
+	}
+
+	/* TIME_MX Mode */
+	buffer_lines = 2 * max_tile_height;
+
+	if (dst[R1].y1 >= dst[R0].y2 + buffer_lines ||
+	    dst[R0].y1 >= dst[R1].y2 + buffer_lines) {
+		pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
+		pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
+	} else {
+		DPU_ERROR(
+			"No multirect mode possible for the planes (%d - %d)\n",
+			drm_state[R0]->plane->base.id,
+			drm_state[R1]->plane->base.id);
+		return -EINVAL;
+	}
+
+done:
+	if (dpu_plane[R0]->is_virtual) {
+		pstate[R0]->multirect_index = DPU_SSPP_RECT_1;
+		pstate[R1]->multirect_index = DPU_SSPP_RECT_0;
+	} else {
+		pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
+		pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
+	}
+
+	DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
+		pstate[R0]->multirect_mode, pstate[R0]->multirect_index);
+	DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n",
+		pstate[R1]->multirect_mode, pstate[R1]->multirect_index);
+	return 0;
+}
+
+/**
+ * dpu_plane_get_ctl_flush - get control flush for the given plane
+ * @plane: Pointer to drm plane structure
+ * @ctl: Pointer to hardware control driver
+ * @flush_sspp: Pointer to sspp flush control word
+ */
+void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl,
+		u32 *flush_sspp)
+{
+	*flush_sspp = ctl->ops.get_bitmask_sspp(ctl, dpu_plane_pipe(plane));
+}
+
+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);
+	struct dpu_hw_fmt_layout layout;
+	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
+	int ret;
+
+	if (!new_state->fb)
+		return 0;
+
+	DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
+
+	/* cache aspace */
+	pstate->aspace = kms->base.aspace;
+
+	/*
+	 * 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_fb_prepare_fb(plane, new_state);
+
+	if (pstate->aspace) {
+		ret = msm_framebuffer_prepare(new_state->fb,
+				pstate->aspace);
+		if (ret) {
+			DPU_ERROR("failed to prepare framebuffer\n");
+			return ret;
+		}
+	}
+
+	/* validate framebuffer layout before commit */
+	ret = dpu_format_populate_layout(pstate->aspace,
+			new_state->fb, &layout);
+	if (ret) {
+		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
+		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->aspace);
+}
+
+static bool dpu_plane_validate_src(struct drm_rect *src,
+				   struct drm_rect *fb_rect,
+				   uint32_t min_src_size)
+{
+	/* Ensure fb size is supported */
+	if (drm_rect_width(fb_rect) > MAX_IMG_WIDTH ||
+	    drm_rect_height(fb_rect) > MAX_IMG_HEIGHT)
+		return false;
+
+	/* Ensure src rect is above the minimum size */
+	if (drm_rect_width(src) < min_src_size ||
+	    drm_rect_height(src) < min_src_size)
+		return false;
+
+	/* Ensure src is fully encapsulated in fb */
+	return drm_rect_intersect(fb_rect, src) &&
+		drm_rect_equals(fb_rect, src);
+}
+
+static int dpu_plane_atomic_check(struct drm_plane *plane,
+				  struct drm_plane_state *state)
+{
+	int ret = 0, min_scale;
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	const struct drm_crtc_state *crtc_state = NULL;
+	const struct dpu_format *fmt;
+	struct drm_rect src, dst, fb_rect = { 0 };
+	uint32_t min_src_size, max_linewidth;
+
+	if (state->crtc)
+		crtc_state = drm_atomic_get_new_crtc_state(state->state,
+							   state->crtc);
+
+	min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale);
+	ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale,
+					  pdpu->pipe_sblk->maxdwnscale << 16,
+					  true, true);
+	if (ret) {
+		DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
+		return ret;
+	}
+	if (!state->visible)
+		return 0;
+
+	src.x1 = state->src_x >> 16;
+	src.y1 = state->src_y >> 16;
+	src.x2 = src.x1 + (state->src_w >> 16);
+	src.y2 = src.y1 + (state->src_h >> 16);
+
+	dst = drm_plane_state_dest(state);
+
+	fb_rect.x2 = state->fb->width;
+	fb_rect.y2 = state->fb->height;
+
+	max_linewidth = pdpu->catalog->caps->max_linewidth;
+
+	fmt = to_dpu_format(msm_framebuffer_format(state->fb));
+
+	min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
+
+	if (DPU_FORMAT_IS_YUV(fmt) &&
+		(!(pdpu->features & DPU_SSPP_SCALER) ||
+		 !(pdpu->features & (BIT(DPU_SSPP_CSC)
+		 | BIT(DPU_SSPP_CSC_10BIT))))) {
+		DPU_DEBUG_PLANE(pdpu,
+				"plane doesn't have scaler/csc for yuv\n");
+		return -EINVAL;
+
+	/* check src bounds */
+	} else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
+		DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
+				DRM_RECT_ARG(&src));
+		return -E2BIG;
+
+	/* valid yuv image */
+	} else if (DPU_FORMAT_IS_YUV(fmt) &&
+		   (src.x1 & 0x1 || src.y1 & 0x1 ||
+		    drm_rect_width(&src) & 0x1 ||
+		    drm_rect_height(&src) & 0x1)) {
+		DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
+				DRM_RECT_ARG(&src));
+		return -EINVAL;
+
+	/* min dst support */
+	} else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) {
+		DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
+				DRM_RECT_ARG(&dst));
+		return -EINVAL;
+
+	/* check decimated source width */
+	} else if (drm_rect_width(&src) > max_linewidth) {
+		DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
+				DRM_RECT_ARG(&src), max_linewidth);
+		return -E2BIG;
+	}
+
+	return 0;
+}
+
+void dpu_plane_flush(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu;
+	struct dpu_plane_state *pstate;
+
+	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 if (pdpu->pipe_hw && pdpu->csc_ptr && pdpu->pipe_hw->ops.setup_csc)
+		pdpu->pipe_hw->ops.setup_csc(pdpu->pipe_hw, pdpu->csc_ptr);
+
+	/* 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
+ */
+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_atomic_update(struct drm_plane *plane)
+{
+	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);
+	struct drm_crtc *crtc = state->crtc;
+	struct drm_framebuffer *fb = state->fb;
+	const struct dpu_format *fmt =
+		to_dpu_format(msm_framebuffer_format(fb));
+
+	memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg));
+
+	_dpu_plane_set_scanout(plane, pstate, &pdpu->pipe_cfg, fb);
+
+	pstate->pending = true;
+
+	pdpu->is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
+	_dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
+
+	DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
+			", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
+			crtc->base.id, DRM_RECT_ARG(&state->dst),
+			(char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
+
+	pdpu->pipe_cfg.src_rect = state->src;
+
+	/* state->src is 16.16, src_rect is not */
+	pdpu->pipe_cfg.src_rect.x1 >>= 16;
+	pdpu->pipe_cfg.src_rect.x2 >>= 16;
+	pdpu->pipe_cfg.src_rect.y1 >>= 16;
+	pdpu->pipe_cfg.src_rect.y2 >>= 16;
+
+	pdpu->pipe_cfg.dst_rect = state->dst;
+
+	_dpu_plane_setup_scaler(pdpu, pstate, fmt, false);
+
+	/* override for color fill */
+	if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
+		/* skip remaining processing on color fill */
+		return;
+	}
+
+	if (pdpu->pipe_hw->ops.setup_rects) {
+		pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
+				&pdpu->pipe_cfg,
+				pstate->multirect_index);
+	}
+
+	if (pdpu->pipe_hw->ops.setup_pe &&
+			(pstate->multirect_index != DPU_SSPP_RECT_1))
+		pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
+				&pstate->pixel_ext);
+
+	/**
+	 * when programmed in multirect mode, scalar block will be
+	 * bypassed. Still we need to update alpha and bitwidth
+	 * ONLY for RECT0
+	 */
+	if (pdpu->pipe_hw->ops.setup_scaler &&
+			pstate->multirect_index != DPU_SSPP_RECT_1)
+		pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
+				&pdpu->pipe_cfg, &pstate->pixel_ext,
+				&pstate->scaler3_cfg);
+
+	if (pdpu->pipe_hw->ops.setup_multirect)
+		pdpu->pipe_hw->ops.setup_multirect(
+				pdpu->pipe_hw,
+				pstate->multirect_index,
+				pstate->multirect_mode);
+
+	if (pdpu->pipe_hw->ops.setup_format) {
+		unsigned int rotation;
+
+		src_flags = 0x0;
+
+		rotation = drm_rotation_simplify(state->rotation,
+						 DRM_MODE_ROTATE_0 |
+						 DRM_MODE_REFLECT_X |
+						 DRM_MODE_REFLECT_Y);
+
+		if (rotation & DRM_MODE_REFLECT_X)
+			src_flags |= DPU_SSPP_FLIP_LR;
+
+		if (rotation & DRM_MODE_REFLECT_Y)
+			src_flags |= DPU_SSPP_FLIP_UD;
+
+		/* update format */
+		pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
+				pstate->multirect_index);
+
+		if (pdpu->pipe_hw->ops.setup_cdp) {
+			struct dpu_hw_pipe_cdp_cfg *cdp_cfg = &pstate->cdp_cfg;
+
+			memset(cdp_cfg, 0, sizeof(struct dpu_hw_pipe_cdp_cfg));
+
+			cdp_cfg->enable = pdpu->catalog->perf.cdp_cfg
+					[DPU_PERF_CDP_USAGE_RT].rd_enable;
+			cdp_cfg->ubwc_meta_enable =
+					DPU_FORMAT_IS_UBWC(fmt);
+			cdp_cfg->tile_amortize_enable =
+					DPU_FORMAT_IS_UBWC(fmt) ||
+					DPU_FORMAT_IS_TILE(fmt);
+			cdp_cfg->preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64;
+
+			pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, cdp_cfg);
+		}
+
+		/* update csc */
+		if (DPU_FORMAT_IS_YUV(fmt))
+			_dpu_plane_setup_csc(pdpu);
+		else
+			pdpu->csc_ptr = 0;
+	}
+
+	_dpu_plane_set_qos_lut(plane, fb);
+	_dpu_plane_set_danger_lut(plane, fb);
+
+	if (plane->type != DRM_PLANE_TYPE_CURSOR) {
+		_dpu_plane_set_qos_ctrl(plane, true, DPU_PLANE_QOS_PANIC_CTRL);
+		_dpu_plane_set_ot_limit(plane, crtc);
+	}
+
+	_dpu_plane_set_qos_remap(plane);
+
+	_dpu_plane_calc_bw(plane, fb);
+
+	_dpu_plane_calc_clk(plane);
+}
+
+static void _dpu_plane_atomic_disable(struct drm_plane *plane)
+{
+	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);
+
+	trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane),
+				pstate->multirect_mode);
+
+	pstate->pending = true;
+
+	if (is_dpu_plane_virtual(plane) &&
+			pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect)
+		pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw,
+				DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE);
+}
+
+static void dpu_plane_atomic_update(struct drm_plane *plane,
+				struct drm_plane_state *old_state)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct drm_plane_state *state = plane->state;
+
+	pdpu->is_error = false;
+
+	DPU_DEBUG_PLANE(pdpu, "\n");
+
+	if (!state->visible) {
+		_dpu_plane_atomic_disable(plane);
+	} else {
+		dpu_plane_sspp_atomic_update(plane);
+	}
+}
+
+void dpu_plane_restore(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu;
+
+	if (!plane || !plane->state) {
+		DPU_ERROR("invalid plane\n");
+		return;
+	}
+
+	pdpu = to_dpu_plane(plane);
+
+	DPU_DEBUG_PLANE(pdpu, "\n");
+
+	/* last plane state is same as current state */
+	dpu_plane_atomic_update(plane, plane->state);
+}
+
+static void dpu_plane_destroy(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL;
+
+	DPU_DEBUG_PLANE(pdpu, "\n");
+
+	if (pdpu) {
+		_dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
+
+		mutex_destroy(&pdpu->lock);
+
+		/* this will destroy the states as well */
+		drm_plane_cleanup(plane);
+
+		dpu_hw_sspp_destroy(pdpu->pipe_hw);
+
+		kfree(pdpu);
+	}
+}
+
+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 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 = 0;
+	}
+
+	pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
+	if (!pstate) {
+		DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
+		return;
+	}
+
+	pstate->base.plane = plane;
+
+	plane->state = &pstate->base;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+
+	if (!pdpu->is_rt_pipe)
+		return;
+
+	pm_runtime_get_sync(&dpu_kms->pdev->dev);
+	_dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL);
+	pm_runtime_put_sync(&dpu_kms->pdev->dev);
+}
+
+static ssize_t _dpu_plane_danger_read(struct file *file,
+			char __user *buff, size_t count, loff_t *ppos)
+{
+	struct dpu_kms *kms = file->private_data;
+	int len;
+	char buf[40];
+
+	len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl);
+
+	return simple_read_from_buffer(buff, count, ppos, buf, len);
+}
+
+static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable)
+{
+	struct drm_plane *plane;
+
+	drm_for_each_plane(plane, kms->dev) {
+		if (plane->fb && plane->state) {
+			dpu_plane_danger_signal_ctrl(plane, enable);
+			DPU_DEBUG("plane:%d img:%dx%d ",
+				plane->base.id, plane->fb->width,
+				plane->fb->height);
+			DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n",
+				plane->state->src_x >> 16,
+				plane->state->src_y >> 16,
+				plane->state->src_w >> 16,
+				plane->state->src_h >> 16,
+				plane->state->crtc_x, plane->state->crtc_y,
+				plane->state->crtc_w, plane->state->crtc_h);
+		} else {
+			DPU_DEBUG("Inactive plane:%d\n", plane->base.id);
+		}
+	}
+}
+
+static ssize_t _dpu_plane_danger_write(struct file *file,
+		    const char __user *user_buf, size_t count, loff_t *ppos)
+{
+	struct dpu_kms *kms = file->private_data;
+	int disable_panic;
+	int ret;
+
+	ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic);
+	if (ret)
+		return ret;
+
+	if (disable_panic) {
+		/* Disable panic signal for all active pipes */
+		DPU_DEBUG("Disabling danger:\n");
+		_dpu_plane_set_danger_state(kms, false);
+		kms->has_danger_ctrl = false;
+	} else {
+		/* Enable panic signal for all active pipes */
+		DPU_DEBUG("Enabling danger:\n");
+		kms->has_danger_ctrl = true;
+		_dpu_plane_set_danger_state(kms, true);
+	}
+
+	return count;
+}
+
+static const struct file_operations dpu_plane_danger_enable = {
+	.open = simple_open,
+	.read = _dpu_plane_danger_read,
+	.write = _dpu_plane_danger_write,
+};
+
+static int _dpu_plane_init_debugfs(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+	struct dpu_kms *kms = _dpu_plane_get_kms(plane);
+	const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap;
+	const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
+
+	/* create overall sub-directory for the pipe */
+	pdpu->debugfs_root =
+		debugfs_create_dir(pdpu->pipe_name,
+				plane->dev->primary->debugfs_root);
+
+	/* don't error check these */
+	debugfs_create_x32("features", 0600,
+			pdpu->debugfs_root, &pdpu->features);
+
+	/* add register dump support */
+	dpu_debugfs_setup_regset32(&pdpu->debugfs_src,
+			sblk->src_blk.base + cfg->base,
+			sblk->src_blk.len,
+			kms);
+	dpu_debugfs_create_regset32("src_blk", 0400,
+			pdpu->debugfs_root, &pdpu->debugfs_src);
+
+	if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
+			cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) ||
+			cfg->features & BIT(DPU_SSPP_SCALER_QSEED4)) {
+		dpu_debugfs_setup_regset32(&pdpu->debugfs_scaler,
+				sblk->scaler_blk.base + cfg->base,
+				sblk->scaler_blk.len,
+				kms);
+		dpu_debugfs_create_regset32("scaler_blk", 0400,
+				pdpu->debugfs_root,
+				&pdpu->debugfs_scaler);
+		debugfs_create_bool("default_scaling",
+				0600,
+				pdpu->debugfs_root,
+				&pdpu->debugfs_default_scale);
+	}
+
+	if (cfg->features & BIT(DPU_SSPP_CSC) ||
+			cfg->features & BIT(DPU_SSPP_CSC_10BIT)) {
+		dpu_debugfs_setup_regset32(&pdpu->debugfs_csc,
+				sblk->csc_blk.base + cfg->base,
+				sblk->csc_blk.len,
+				kms);
+		dpu_debugfs_create_regset32("csc_blk", 0400,
+				pdpu->debugfs_root, &pdpu->debugfs_csc);
+	}
+
+	debugfs_create_u32("xin_id",
+			0400,
+			pdpu->debugfs_root,
+			(u32 *) &cfg->xin_id);
+	debugfs_create_u32("clk_ctrl",
+			0400,
+			pdpu->debugfs_root,
+			(u32 *) &cfg->clk_ctrl);
+	debugfs_create_x32("creq_vblank",
+			0600,
+			pdpu->debugfs_root,
+			(u32 *) &sblk->creq_vblank);
+	debugfs_create_x32("danger_vblank",
+			0600,
+			pdpu->debugfs_root,
+			(u32 *) &sblk->danger_vblank);
+
+	debugfs_create_file("disable_danger",
+			0600,
+			pdpu->debugfs_root,
+			kms, &dpu_plane_danger_enable);
+
+	return 0;
+}
+#else
+static int _dpu_plane_init_debugfs(struct drm_plane *plane)
+{
+	return 0;
+}
+#endif
+
+static int dpu_plane_late_register(struct drm_plane *plane)
+{
+	return _dpu_plane_init_debugfs(plane);
+}
+
+static void dpu_plane_early_unregister(struct drm_plane *plane)
+{
+	struct dpu_plane *pdpu = to_dpu_plane(plane);
+
+	debugfs_remove_recursive(pdpu->debugfs_root);
+}
+
+static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
+		uint32_t format, uint64_t modifier)
+{
+	if (modifier == DRM_FORMAT_MOD_LINEAR)
+		return true;
+
+	if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) {
+		int i;
+		for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) {
+			if (format == qcom_compressed_supported_formats[i])
+				return true;
+		}
+	}
+
+	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,
+		.destroy = dpu_plane_destroy,
+		.reset = dpu_plane_reset,
+		.atomic_duplicate_state = dpu_plane_duplicate_state,
+		.atomic_destroy_state = dpu_plane_destroy_state,
+		.late_register = dpu_plane_late_register,
+		.early_unregister = dpu_plane_early_unregister,
+		.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,
+};
+
+enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane)
+{
+	return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE;
+}
+
+bool is_dpu_plane_virtual(struct drm_plane *plane)
+{
+	return plane ? to_dpu_plane(plane)->is_virtual : false;
+}
+
+/* initialize plane */
+struct drm_plane *dpu_plane_init(struct drm_device *dev,
+		uint32_t pipe, enum drm_plane_type type,
+		unsigned long possible_crtcs, u32 master_plane_id)
+{
+	struct drm_plane *plane = NULL, *master_plane = NULL;
+	const uint32_t *format_list;
+	struct dpu_plane *pdpu;
+	struct msm_drm_private *priv = dev->dev_private;
+	struct dpu_kms *kms = to_dpu_kms(priv->kms);
+	int zpos_max = DPU_ZPOS_MAX;
+	uint32_t num_formats;
+	int ret = -EINVAL;
+
+	/* create and zero local structure */
+	pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL);
+	if (!pdpu) {
+		DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe);
+		ret = -ENOMEM;
+		return ERR_PTR(ret);
+	}
+
+	/* cache local stuff for later */
+	plane = &pdpu->base;
+	pdpu->pipe = pipe;
+	pdpu->is_virtual = (master_plane_id != 0);
+	INIT_LIST_HEAD(&pdpu->mplane_list);
+	master_plane = drm_plane_find(dev, NULL, master_plane_id);
+	if (master_plane) {
+		struct dpu_plane *mpdpu = to_dpu_plane(master_plane);
+
+		list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list);
+	}
+
+	/* initialize underlying h/w driver */
+	pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog,
+							master_plane_id != 0);
+	if (IS_ERR(pdpu->pipe_hw)) {
+		DPU_ERROR("[%u]SSPP init failed\n", pipe);
+		ret = PTR_ERR(pdpu->pipe_hw);
+		goto clean_plane;
+	} else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) {
+		DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe);
+		goto clean_sspp;
+	}
+
+	/* cache features mask for later */
+	pdpu->features = pdpu->pipe_hw->cap->features;
+	pdpu->pipe_sblk = pdpu->pipe_hw->cap->sblk;
+	if (!pdpu->pipe_sblk) {
+		DPU_ERROR("[%u]invalid sblk\n", pipe);
+		goto clean_sspp;
+	}
+
+	if (pdpu->is_virtual) {
+		format_list = pdpu->pipe_sblk->virt_format_list;
+		num_formats = pdpu->pipe_sblk->virt_num_formats;
+	}
+	else {
+		format_list = pdpu->pipe_sblk->format_list;
+		num_formats = pdpu->pipe_sblk->num_formats;
+	}
+
+	ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,
+				format_list, num_formats,
+				supported_format_modifiers, type, NULL);
+	if (ret)
+		goto clean_sspp;
+
+	pdpu->catalog = kms->catalog;
+
+	if (kms->catalog->mixer_count &&
+		kms->catalog->mixer[0].sblk->maxblendstages) {
+		zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1;
+		if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1)
+			zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1;
+	}
+
+	ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max);
+	if (ret)
+		DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
+
+	drm_plane_create_rotation_property(plane,
+			DRM_MODE_ROTATE_0,
+			DRM_MODE_ROTATE_0 |
+			DRM_MODE_ROTATE_180 |
+			DRM_MODE_REFLECT_X |
+			DRM_MODE_REFLECT_Y);
+
+	drm_plane_enable_fb_damage_clips(plane);
+
+	/* success! finalize initialization */
+	drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
+
+	/* save user friendly pipe name for later */
+	snprintf(pdpu->pipe_name, DPU_NAME_SIZE, "plane%u", plane->base.id);
+
+	mutex_init(&pdpu->lock);
+
+	DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", pdpu->pipe_name,
+					pipe, plane->base.id, master_plane_id);
+	return plane;
+
+clean_sspp:
+	if (pdpu && pdpu->pipe_hw)
+		dpu_hw_sspp_destroy(pdpu->pipe_hw);
+clean_plane:
+	kfree(pdpu);
+	return ERR_PTR(ret);
+}