drm/msm/dpu: drop dpu_format_populate_layout from dpu_plane_sspp_atomic_update

The dpu_plane_prepare_fb() already calls dpu_format_populate_layout().
Store the generated layout in the plane state and drop this call from
dpu_plane_sspp_update().

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/612240/
Link: https://lore.kernel.org/r/20240903-dpu-mode-config-width-v6-5-617e1ecc4b7a@linaro.org

Author: lumag

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

@@ -648,7 +648,6 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane,
 	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;
 
@@ -678,7 +677,8 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane,
 
 	/* validate framebuffer layout before commit */
 	ret = dpu_format_populate_layout(pstate->aspace,
-			new_state->fb, &layout);
+					 new_state->fb,
+					 &pstate->layout);
 	if (ret) {
 		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
 		if (pstate->aspace)
@@ -1115,17 +1115,6 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 		msm_framebuffer_format(fb);
 	struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
 	struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
-	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
-	struct msm_gem_address_space *aspace = kms->base.aspace;
-	struct dpu_hw_fmt_layout layout;
-	bool layout_valid = false;
-	int ret;
-
-	ret = dpu_format_populate_layout(aspace, fb, &layout);
-	if (ret)
-		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
-	else
-		layout_valid = true;
 
 	pstate->pending = true;
 
@@ -1140,12 +1129,12 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 
 	dpu_plane_sspp_update_pipe(plane, pipe, pipe_cfg, fmt,
 				   drm_mode_vrefresh(&crtc->mode),
-				   layout_valid ? &layout : NULL);
+				   &pstate->layout);
 
 	if (r_pipe->sspp) {
 		dpu_plane_sspp_update_pipe(plane, r_pipe, r_pipe_cfg, fmt,
 					   drm_mode_vrefresh(&crtc->mode),
-					   layout_valid ? &layout : NULL);
+					   &pstate->layout);
 	}
 
 	if (pstate->needs_qos_remap)

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h

@@ -31,6 +31,7 @@
  * @plane_clk: calculated clk per plane
  * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed
  * @rotation: simplified drm rotation hint
+ * @layout:     framebuffer memory layout
  */
 struct dpu_plane_state {
 	struct drm_plane_state base;
@@ -48,6 +49,8 @@ struct dpu_plane_state {
 
 	bool needs_dirtyfb;
 	unsigned int rotation;
+
+	struct dpu_hw_fmt_layout layout;
 };
 
 #define to_dpu_plane_state(x) \