[PATCH v9 09/14] drm/msm/dpu: split PIPES_PER_STAGE definition per plane and mixer

Jun Nie jun.nie at linaro.org
Fri May 23 10:03:41 UTC 2025


Jessica Zhang <quic_jesszhan at quicinc.com> 于2025年5月9日周五 04:55写道:
>
>
>
> On 5/8/2025 1:42 PM, Jessica Zhang wrote:
> >
> >
> > On 5/6/2025 8:47 AM, Jun Nie wrote:
> >> The stage contains configuration for a mixer pair. Currently the plane
> >> supports just one stage and 2 pipes. Quad-pipe support will require
> >> handling 2 stages and 4 pipes at the same time. In preparation for that
> >> add a separate define, PIPES_PER_PLANE, to denote number of pipes that
> >> can be used by the plane.
> >>
> >> Signed-off-by: Jun Nie <jun.nie at linaro.org>
> >> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> >
> > Hi Jun,
> >
> > I think the comment from v7 about propogating the PIPES_PER_PLANE change
> > to _dpu_plane_color_fill() got dropped in this version [1].
>
> s/propogating/propagating/
>
> >
> > Also, any reason PIPES_PER_STAGE was kept for
> > dpu_plane_danger_signal_ctrl()?
>
> I have the same question for _dpu_debugfs_status_show(). It seems to me
> both helpers should be using PIPES_PER_PLANE.
>
> Thanks,
>
> Jessica Zhang
>
Thanks for pointing this out! They both should be changed to PIPES_PER_PLANE.
Will fix it in next version.

Jun


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