On Mon, Oct 08, 2018 at 09:27:18PM -0700, Jeykumar Sankaran wrote: > Layer mixer/pingpong block counts and hw ctl block counts > will not be same for all the topologies (e.g. layer > mixer muxing to single interface) > > Use the encoder's split_role info to retrieve the > respective control path for programming. > > Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > index 96cdf06..d12f896 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > @@ -1060,6 +1060,7 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, > > for (i = 0; i < dpu_enc->num_phys_encs; i++) { > struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; > + int ctl_index; > > if (phys) { > if (!dpu_enc->hw_pp[i]) { > @@ -1068,14 +1069,16 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, > return; > } > > - if (!hw_ctl[i]) { > + ctl_index = phys->split_role == ENC_ROLE_SLAVE ? 1 : 0; > + > + if (!hw_ctl[ctl_index]) { > DPU_ERROR_ENC(dpu_enc, "no ctl block assigned" > - "at idx: %d\n", i); > + "at idx: %d\n", ctl_index); I know you are only updating the previous code but we shouldn't be splitting the string here for grep purposes. > return; > } > > phys->hw_pp = dpu_enc->hw_pp[i]; > - phys->hw_ctl = hw_ctl[i]; > + phys->hw_ctl = hw_ctl[ctl_index]; > > phys->connector = conn->state->connector; > if (phys->ops.mode_set) -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project