[PATCH v4 10/30] drm/msm/dpu: clean up SRC addresses when setting up SSPP for solid fill

[Dmitry Baryshkov]

Set SSPP_SRCn_ADDR registers to 0 while setting up solid fill, as we can
not be sure that the previous address is still valid.

Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c | 5 +++++
 1 file changed, 5 insertions(+)

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 3030cd3b253a..0a43c5682b2b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
@@ -563,11 +563,16 @@ static void dpu_hw_sspp_setup_csc(struct dpu_hw_sspp *ctx,
 static void dpu_hw_sspp_setup_solidfill(struct dpu_sw_pipe *pipe, u32 color)
 {
 	struct dpu_hw_sspp *ctx = pipe->sspp;
+	struct dpu_hw_sspp_cfg cfg;
 	u32 idx;
 
 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
 		return;
 
+	/* cleanup source addresses */
+	memset(&cfg, 0, sizeof(cfg));
+	ctx->ops.setup_sourceaddress(pipe, &cfg);
+
 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
 	    pipe->multirect_index == DPU_SSPP_RECT_0)
 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR + idx, color);
-- 
2.39.2