Re: [PATCH v3 11/27] drm/msm/dpu: move stride programming to dpu_hw_sspp_setup_sourceaddress

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On 2/3/2023 10:21 AM, Dmitry Baryshkov wrote:
Move stride programming to dpu_hw_sspp_setup_sourceaddress(), so that
dpu_hw_sspp_setup_rects() programs only source and destination
rectangles.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

Now with the prev change, this is

Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>

---
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c | 57 +++++++++++----------
  1 file changed, 29 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
index 4c05f4b5e050..fbfb39a7a229 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
@@ -451,7 +451,7 @@ static void dpu_hw_sspp_setup_rects(struct dpu_sw_pipe *pipe,
  {
  	struct dpu_hw_sspp *ctx = pipe->sspp;
  	struct dpu_hw_blk_reg_map *c;
-	u32 src_size, src_xy, dst_size, dst_xy, ystride0, ystride1;
+	u32 src_size, src_xy, dst_size, dst_xy;
  	u32 src_size_off, src_xy_off, out_size_off, out_xy_off;
  	u32 idx;
@@ -482,44 +482,18 @@ static void dpu_hw_sspp_setup_rects(struct dpu_sw_pipe *pipe,
  	dst_size = (drm_rect_height(&cfg->dst_rect) << 16) |
  		drm_rect_width(&cfg->dst_rect);
- if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
-		ystride0 = (cfg->layout.plane_pitch[0]) |
-			(cfg->layout.plane_pitch[1] << 16);
-		ystride1 = (cfg->layout.plane_pitch[2]) |
-			(cfg->layout.plane_pitch[3] << 16);
-	} else {
-		ystride0 = DPU_REG_READ(c, SSPP_SRC_YSTRIDE0 + idx);
-		ystride1 = DPU_REG_READ(c, SSPP_SRC_YSTRIDE1 + idx);
-
-		if (pipe->multirect_index == DPU_SSPP_RECT_0) {
-			ystride0 = (ystride0 & 0xFFFF0000) |
-				(cfg->layout.plane_pitch[0] & 0x0000FFFF);
-			ystride1 = (ystride1 & 0xFFFF0000)|
-				(cfg->layout.plane_pitch[2] & 0x0000FFFF);
-		} else {
-			ystride0 = (ystride0 & 0x0000FFFF) |
-				((cfg->layout.plane_pitch[0] << 16) &
-				 0xFFFF0000);
-			ystride1 = (ystride1 & 0x0000FFFF) |
-				((cfg->layout.plane_pitch[2] << 16) &
-				 0xFFFF0000);
-		}
-	}
-
  	/* rectangle register programming */
  	DPU_REG_WRITE(c, src_size_off + idx, src_size);
  	DPU_REG_WRITE(c, src_xy_off + idx, src_xy);
  	DPU_REG_WRITE(c, out_size_off + idx, dst_size);
  	DPU_REG_WRITE(c, out_xy_off + idx, dst_xy);
-
-	DPU_REG_WRITE(c, SSPP_SRC_YSTRIDE0 + idx, ystride0);
-	DPU_REG_WRITE(c, SSPP_SRC_YSTRIDE1 + idx, ystride1);
  }
static void dpu_hw_sspp_setup_sourceaddress(struct dpu_sw_pipe *pipe,
  		struct dpu_hw_sspp_cfg *cfg)
  {
  	struct dpu_hw_sspp *ctx = pipe->sspp;
+	u32 ystride0, ystride1;
  	int i;
  	u32 idx;
@@ -541,6 +515,33 @@ static void dpu_hw_sspp_setup_sourceaddress(struct dpu_sw_pipe *pipe,
  		DPU_REG_WRITE(&ctx->hw, SSPP_SRC3_ADDR + idx,
  				cfg->layout.plane_addr[2]);
  	}
+
+	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
+		ystride0 = (cfg->layout.plane_pitch[0]) |
+			(cfg->layout.plane_pitch[1] << 16);
+		ystride1 = (cfg->layout.plane_pitch[2]) |
+			(cfg->layout.plane_pitch[3] << 16);
+	} else {
+		ystride0 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE0 + idx);
+		ystride1 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE1 + idx);
+
+		if (pipe->multirect_index == DPU_SSPP_RECT_0) {
+			ystride0 = (ystride0 & 0xFFFF0000) |
+				(cfg->layout.plane_pitch[0] & 0x0000FFFF);
+			ystride1 = (ystride1 & 0xFFFF0000)|
+				(cfg->layout.plane_pitch[2] & 0x0000FFFF);
+		} else {
+			ystride0 = (ystride0 & 0x0000FFFF) |
+				((cfg->layout.plane_pitch[0] << 16) &
+				 0xFFFF0000);
+			ystride1 = (ystride1 & 0x0000FFFF) |
+				((cfg->layout.plane_pitch[2] << 16) &
+				 0xFFFF0000);
+		}
+	}
+
+	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE0 + idx, ystride0);
+	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE1 + idx, ystride1);
  }
static void dpu_hw_sspp_setup_csc(struct dpu_hw_sspp *ctx,



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