[PATCH v2 11/22] drm/msm/dpu: add CWB support to dpu_hw_wb
Jessica Zhang
quic_jesszhan at quicinc.com
Tue Sep 24 22:59:27 UTC 2024
From: Esha Bharadwaj <quic_ebharadw at quicinc.com>
Adjust the WB_MUX configuration to account for using dedicated CWB
pingpong blocks.
Signed-off-by: Esha Bharadwaj <quic_ebharadw at quicinc.com>
Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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 93ff01c889b5..76d6fd614b7e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
@@ -173,7 +173,9 @@ static void dpu_hw_wb_bind_pingpong_blk(
mux_cfg = DPU_REG_READ(c, WB_MUX);
mux_cfg &= ~0xf;
- if (pp)
+ if (pp >= PINGPONG_CWB_0)
+ mux_cfg |= (pp < PINGPONG_CWB_2) ? 0xd : 0xb;
+ else if (pp)
mux_cfg |= (pp - PINGPONG_0) & 0x7;
else
mux_cfg |= 0xf;
--
2.34.1
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