[PATCH v3 11/23] drm/msm/dpu: add CWB support to dpu_hw_wb

[Jessica Zhang]

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>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
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 93ff01c889b5a8e4b742856a2fdbf5b8e7d6c305..76d6fd614b7e2636191ca79a1daaac23edf9155e 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