On Mon, Aug 25, 2025 at 10:16:05PM +0800, Yongxing Mou wrote: > From: Abhinav Kumar <quic_abhin...@quicinc.com> > > DP stream is transmitted in transfer units only for SST > case there is no need to calculate and program TU parameters
comma before 'there'. > for MST case. Skip the TU programming for MST cases. > > Signed-off-by: Abhinav Kumar <quic_abhin...@quicinc.com> > Signed-off-by: Yongxing Mou <yongxing....@oss.qualcomm.com> > --- > drivers/gpu/drm/msm/dp/dp_ctrl.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c > b/drivers/gpu/drm/msm/dp/dp_ctrl.c > index > d562377a8d2846099bf0f8757128978a162745c3..c313a3b4853a1571c43a9f3c9e981fbc22d51d55 > 100644 > --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c > +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c > @@ -2685,7 +2685,8 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl > *msm_dp_ctrl, struct msm_dp_panel * > > msm_dp_panel_clear_dsc_dto(msm_dp_panel); > > - msm_dp_ctrl_setup_tr_unit(ctrl); > + if (!ctrl->mst_active) > + msm_dp_ctrl_setup_tr_unit(ctrl); > > msm_dp_write_link(ctrl, REG_DP_STATE_CTRL, DP_STATE_CTRL_SEND_VIDEO); > > > -- > 2.34.1 > -- With best wishes Dmitry