drm/msm/dpu: split dpu_format_populate_layout

Split dpu_format_populate_layout() into addess-related and
pitch/format-related parts.

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/612244/
Link: https://lore.kernel.org/r/20240903-dpu-mode-config-width-v6-10-617e1ecc4b7a@linaro.org

Author: lumag

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

@@ -582,7 +582,13 @@ static void dpu_encoder_phys_wb_prepare_wb_job(struct dpu_encoder_phys *phys_enc
 
 	format = msm_framebuffer_format(job->fb);
 
-	ret = dpu_format_populate_layout(aspace, job->fb, &wb_cfg->dest);
+	ret = dpu_format_populate_plane_sizes(job->fb, &wb_cfg->dest);
+	if (ret) {
+		DPU_DEBUG("failed to populate plane sizes%d\n", ret);
+		return;
+	}
+
+	ret = dpu_format_populate_addrs(aspace, job->fb, &wb_cfg->dest);
 	if (ret) {
 		DPU_DEBUG("failed to populate layout %d\n", ret);
 		return;

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

@@ -93,7 +93,7 @@ static int _dpu_format_get_media_color_ubwc(const struct msm_format *fmt)
 	return color_fmt;
 }
 
-static int _dpu_format_get_plane_sizes_ubwc(
+static int _dpu_format_populate_plane_sizes_ubwc(
 		const struct msm_format *fmt,
 		struct drm_framebuffer *fb,
 		struct dpu_hw_fmt_layout *layout)
@@ -170,7 +170,7 @@ static int _dpu_format_get_plane_sizes_ubwc(
 	return 0;
 }
 
-static int _dpu_format_get_plane_sizes_linear(
+static int _dpu_format_populate_plane_sizes_linear(
 		const struct msm_format *fmt,
 		struct drm_framebuffer *fb,
 		struct dpu_hw_fmt_layout *layout)
@@ -244,12 +244,21 @@ static int _dpu_format_get_plane_sizes_linear(
 	return 0;
 }
 
-static int dpu_format_get_plane_sizes(
-		const struct msm_format *fmt,
+/*
+ * dpu_format_populate_addrs - populate non-address part of the layout based on
+ *                     fb, and format found in the fb
+ * @fb:                framebuffer pointer
+ * @layout:              format layout structure to populate
+ *
+ * Return: error code on failure or 0 if new addresses were populated
+ */
+int dpu_format_populate_plane_sizes(
 		struct drm_framebuffer *fb,
 		struct dpu_hw_fmt_layout *layout)
 {
-	if (!layout || !fmt) {
+	const struct msm_format *fmt;
+
+	if (!layout || !fb) {
 		DRM_ERROR("invalid pointer\n");
 		return -EINVAL;
 	}
@@ -260,10 +269,12 @@ static int dpu_format_get_plane_sizes(
 		return -ERANGE;
 	}
 
+	fmt = msm_framebuffer_format(fb);
+
 	if (MSM_FORMAT_IS_UBWC(fmt) || MSM_FORMAT_IS_TILE(fmt))
-		return _dpu_format_get_plane_sizes_ubwc(fmt, fb, layout);
+		return _dpu_format_populate_plane_sizes_ubwc(fmt, fb, layout);
 
-	return _dpu_format_get_plane_sizes_linear(fmt, fb, layout);
+	return _dpu_format_populate_plane_sizes_linear(fmt, fb, layout);
 }
 
 static int _dpu_format_populate_addrs_ubwc(
@@ -377,7 +388,7 @@ static int _dpu_format_populate_addrs_linear(
 	return 0;
 }
 
-int dpu_format_populate_layout(
+int dpu_format_populate_addrs(
 		struct msm_gem_address_space *aspace,
 		struct drm_framebuffer *fb,
 		struct dpu_hw_fmt_layout *layout)
@@ -398,11 +409,6 @@ int dpu_format_populate_layout(
 
 	fmt = msm_framebuffer_format(fb);
 
-	/* Populate the plane sizes etc via get_format */
-	ret = dpu_format_get_plane_sizes(fmt, fb, layout);
-	if (ret)
-		return ret;
-
 	/* Populate the addresses given the fb */
 	if (MSM_FORMAT_IS_UBWC(fmt) ||
 			MSM_FORMAT_IS_TILE(fmt))

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

@@ -32,7 +32,7 @@ static inline bool dpu_find_format(u32 format, const u32 *supported_formats,
 }
 
 /**
- * dpu_format_populate_layout - populate the given format layout based on
+ * dpu_format_populate_addrs - populate buffer addresses based on
  *                     mmu, fb, and format found in the fb
  * @aspace:            address space pointer
  * @fb:                framebuffer pointer
@@ -41,9 +41,13 @@ static inline bool dpu_find_format(u32 format, const u32 *supported_formats,
  * Return: error code on failure, -EAGAIN if success but the addresses
  *         are the same as before or 0 if new addresses were populated
  */
-int dpu_format_populate_layout(
+int dpu_format_populate_addrs(
 		struct msm_gem_address_space *aspace,
 		struct drm_framebuffer *fb,
 		struct dpu_hw_fmt_layout *fmtl);
 
+int dpu_format_populate_plane_sizes(
+		struct drm_framebuffer *fb,
+		struct dpu_hw_fmt_layout *layout);
+
 #endif /*_DPU_FORMATS_H */

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

@@ -675,10 +675,19 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane,
 		}
 	}
 
+	ret = dpu_format_populate_plane_sizes(new_state->fb, &pstate->layout);
+	if (ret) {
+		DPU_ERROR_PLANE(pdpu, "failed to get format plane sizes, %d\n", ret);
+		if (pstate->aspace)
+			msm_framebuffer_cleanup(new_state->fb, pstate->aspace,
+						pstate->needs_dirtyfb);
+		return ret;
+	}
+
 	/* validate framebuffer layout before commit */
-	ret = dpu_format_populate_layout(pstate->aspace,
-					 new_state->fb,
-					 &pstate->layout);
+	ret = dpu_format_populate_addrs(pstate->aspace,
+					new_state->fb,
+					&pstate->layout);
 	if (ret) {
 		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
 		if (pstate->aspace)