On Wed, Mar 05, 2025 at 07:16:51PM -0800, Jessica Zhang wrote: > Similar to WB_MUX, CDM_MUX also needs to be adjusted to support > dedicated CWB PINGPONGs > > Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c > index ae1534c49ae0..3f88c3641d4a 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c > @@ -214,7 +214,9 @@ static void dpu_hw_cdm_bind_pingpong_blk(struct dpu_hw_cdm *ctx, const enum dpu_ > mux_cfg = DPU_REG_READ(c, CDM_MUX); > mux_cfg &= ~0xf; > > - if (pp) > + if (pp >= PINGPONG_CWB_0) > + mux_cfg |= 0xd; Shouldn't it be 0xb for PINGPONG_CWB_2 and 3? > + else if (pp) > mux_cfg |= (pp - PINGPONG_0) & 0x7; > else > mux_cfg |= 0xf; > > --- > base-commit: 6d3175a72cc07e90f81fb35841048a8a9b5134cb > change-id: 20250305-cdm-cwb-mux-fix-69ed5297d4f7 > > Best regards, > -- > Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> > -- With best wishes Dmitry
