| Date | Sun, 12 Apr 2026 03:19:16 +0300 | | From | Dmitry Baryshkov <> | | Subject | Re: [PATCH v4 31/39] drm/msm/dp: add prepared to manage link-level operations |
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On Fri, Apr 10, 2026 at 05:34:06PM +0800, Yongxing Mou wrote: > In MST mode, multiple streams share the same DP link. Track a prepared > state so msm_dp_display_prepare() runs only once per link and repeated > calls are skipped. > > Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> > Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> > --- > drivers/gpu/drm/msm/dp/dp_display.c | 34 ++++++++++++++++++++++++++-------- > drivers/gpu/drm/msm/dp/dp_display.h | 1 + > 2 files changed, 27 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h > index 5f3ef295d710..bda76319c459 100644 > --- a/drivers/gpu/drm/msm/dp/dp_display.h > +++ b/drivers/gpu/drm/msm/dp/dp_display.h > @@ -22,6 +22,7 @@ struct msm_dp { > bool mst_active; > unsigned int connector_type; > bool is_edp; > + bool prepared;
link_ready
> > struct msm_dp_audio *msm_dp_audio; > bool psr_supported; > > -- > 2.43.0 >
-- With best wishes Dmitry
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