[PATCH 01/16] drm/msm/dpu: fix writeback programming for YUV cases

From: Abhinav Kumar
Date: Wed Aug 30 2023 - 18:50:28 EST


For YUV cases, setting the required format bits was missed
out in the register programming. Lets fix it now in preparation
of adding YUV formats support for writeback.

Fixes: 84a33d0fd921 ("drm/msm/dpu: add dpu_hw_wb abstraction for writeback blocks")
Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
index ebc416400382..0aa598b355e9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
@@ -86,6 +86,9 @@ static void dpu_hw_wb_setup_format(struct dpu_hw_wb *ctx,
dst_format |= BIT(14); /* DST_ALPHA_X */
}

+ if (DPU_FORMAT_IS_YUV(fmt))
+ dst_format |= BIT(15);
+
pattern = (fmt->element[3] << 24) |
(fmt->element[2] << 16) |
(fmt->element[1] << 8) |
--
2.40.1