drm/msm/dpu: add dpu_hw_sspp_cfg to dpu_plane_state

Now as all accesses to pipe_cfg and pstate have been cleaned, add
struct dpu_hw_sspp_cfg to struct dpu_plane_state, so that
dpu_plane_atomic_check() and dpu_plane_atomic_update() do not have a
chance to disagree about src/dst rectangles (currently
dpu_plane_atomic_check() uses unclipped rectangles, while
dpu_plane_atomic_update() uses clipped rectangles calculated by
drm_atomic_helper_check_plane_state()).

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Abhinav Kumar <quic_abhinavk@quicinc.com> # sc7280
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/527352/
Link: https://lore.kernel.org/r/20230316161653.4106395-21-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

2 files changed, 32 insertions, 36 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 5eee845824f7..1453d02bf244 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -952,7 +952,8 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 	struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
 	const struct drm_crtc_state *crtc_state = NULL;
 	const struct dpu_format *fmt;
-	struct drm_rect src, dst, fb_rect = { 0 };
+	struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
+	struct drm_rect fb_rect = { 0 };
 	uint32_t min_src_size, max_linewidth;
 	unsigned int rotation;
 	uint32_t supported_rotations;
@@ -985,12 +986,15 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		return -EINVAL;
 	}
 
-	src.x1 = new_plane_state->src_x >> 16;
-	src.y1 = new_plane_state->src_y >> 16;
-	src.x2 = src.x1 + (new_plane_state->src_w >> 16);
-	src.y2 = src.y1 + (new_plane_state->src_h >> 16);
+	pipe_cfg->src_rect = new_plane_state->src;
 
-	dst = drm_plane_state_dest(new_plane_state);
+	/* state->src is 16.16, src_rect is not */
+	pipe_cfg->src_rect.x1 >>= 16;
+	pipe_cfg->src_rect.x2 >>= 16;
+	pipe_cfg->src_rect.y1 >>= 16;
+	pipe_cfg->src_rect.y2 >>= 16;
+
+	pipe_cfg->dst_rect = new_plane_state->dst;
 
 	fb_rect.x2 = new_plane_state->fb->width;
 	fb_rect.y2 = new_plane_state->fb->height;
@@ -1009,30 +1013,31 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		return -EINVAL;
 
 	/* check src bounds */
-	} else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
+	} else if (!dpu_plane_validate_src(&pipe_cfg->src_rect, &fb_rect, min_src_size)) {
 		DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
-				DRM_RECT_ARG(&src));
+				DRM_RECT_ARG(&pipe_cfg->src_rect));
 		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)) {
+		   (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(&src));
+				DRM_RECT_ARG(&pipe_cfg->src_rect));
 		return -EINVAL;
 
 	/* min dst support */
-	} else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) {
+	} else 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(&dst));
+				DRM_RECT_ARG(&pipe_cfg->dst_rect));
 		return -EINVAL;
 
 	/* check decimated source width */
-	} else if (drm_rect_width(&src) > max_linewidth) {
+	} else if (drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) {
 		DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
-				DRM_RECT_ARG(&src), max_linewidth);
+				DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
 		return -E2BIG;
 	}
 
@@ -1046,7 +1051,7 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 
 	if ((pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION)) &&
 		(rotation & DRM_MODE_ROTATE_90)) {
-		ret = dpu_plane_check_inline_rotation(pdpu, sblk, src, fmt);
+		ret = dpu_plane_check_inline_rotation(pdpu, sblk, pipe_cfg->src_rect, fmt);
 		if (ret)
 			return ret;
 	}
@@ -1121,9 +1126,7 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 	bool is_rt_pipe;
 	const struct dpu_format *fmt =
 		to_dpu_format(msm_framebuffer_format(fb));
-	struct dpu_sw_pipe_cfg pipe_cfg;
-
-	memset(&pipe_cfg, 0, sizeof(struct dpu_sw_pipe_cfg));
+	struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
 
 	_dpu_plane_set_scanout(plane, pstate, fb);
 
@@ -1140,16 +1143,6 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 			crtc->base.id, DRM_RECT_ARG(&state->dst),
 			(char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
 
-	pipe_cfg.src_rect = state->src;
-
-	/* state->src is 16.16, src_rect is not */
-	pipe_cfg.src_rect.x1 >>= 16;
-	pipe_cfg.src_rect.x2 >>= 16;
-	pipe_cfg.src_rect.y1 >>= 16;
-	pipe_cfg.src_rect.y2 >>= 16;
-
-	pipe_cfg.dst_rect = state->dst;
-
 	/* override for color fill */
 	if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
 		/* skip remaining processing on color fill */
@@ -1158,10 +1151,10 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 
 	if (pipe->sspp->ops.setup_rects) {
 		pipe->sspp->ops.setup_rects(pipe,
-				&pipe_cfg);
+				pipe_cfg);
 	}
 
-	_dpu_plane_setup_scaler(pipe, fmt, false, &pipe_cfg, pstate->rotation);
+	_dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg, pstate->rotation);
 
 	if (pipe->sspp->ops.setup_multirect)
 		pipe->sspp->ops.setup_multirect(
@@ -1202,12 +1195,12 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 		}
 	}
 
-	_dpu_plane_set_qos_lut(plane, pipe, fmt, &pipe_cfg);
+	_dpu_plane_set_qos_lut(plane, pipe, fmt, &pstate->pipe_cfg);
 	_dpu_plane_set_danger_lut(plane, pipe, fmt);
 
 	if (plane->type != DRM_PLANE_TYPE_CURSOR) {
 		_dpu_plane_set_qos_ctrl(plane, pipe, true, DPU_PLANE_QOS_PANIC_CTRL);
-		_dpu_plane_set_ot_limit(plane, pipe, crtc, &pipe_cfg);
+		_dpu_plane_set_ot_limit(plane, pipe, crtc, &pstate->pipe_cfg);
 	}
 
 	if (pstate->needs_qos_remap) {
@@ -1215,9 +1208,10 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 		_dpu_plane_set_qos_remap(plane, pipe);
 	}
 
-	pstate->plane_fetch_bw = _dpu_plane_calc_bw(pdpu->catalog, fmt, &crtc->mode, &pipe_cfg);
+	pstate->plane_fetch_bw = _dpu_plane_calc_bw(pdpu->catalog, fmt,
+						    &crtc->mode, &pstate->pipe_cfg);
 
-	pstate->plane_clk = _dpu_plane_calc_clk(&crtc->mode, &pipe_cfg);
+	pstate->plane_clk = _dpu_plane_calc_clk(&crtc->mode, &pstate->pipe_cfg);
 }
 
 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
index a08b0539513b..0ca9002015ff 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
@@ -19,6 +19,7 @@
  * @base:	base drm plane state object
  * @aspace:	pointer to address space for input/output buffers
  * @pipe:	software pipe description
+ * @pipe_cfg:	software pipe configuration
  * @stage:	assigned by crtc blender
  * @needs_qos_remap: qos remap settings need to be updated
  * @multirect_index: index of the rectangle of SSPP
@@ -33,6 +34,7 @@ struct dpu_plane_state {
 	struct drm_plane_state base;
 	struct msm_gem_address_space *aspace;
 	struct dpu_sw_pipe pipe;
+	struct dpu_sw_pipe_cfg pipe_cfg;
 	enum dpu_stage stage;
 	bool needs_qos_remap;
 	bool pending;