[PATCH v15 11/13] drm/msm/dpu: support SSPP assignment for quad-pipe case

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Tue Aug 19 19:01:03 UTC 2025


On Tue, Aug 19, 2025 at 09:31:05AM +0800, Jun Nie wrote:
> Currently, SSPPs are assigned to a maximum of two pipes. However,
> quad-pipe usage scenarios require four pipes and involve configuring
> two stages. In quad-pipe case, the first two pipes share a set of
> mixer configurations and enable multi-rect mode when certain
> conditions are met. The same applies to the subsequent two pipes.
> 
> Assign SSPPs to the pipes in each stage using a unified method and
> to loop the stages accordingly.
> 
> Signed-off-by: Jun Nie <jun.nie at linaro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 150 ++++++++++++++++++------------
>  1 file changed, 89 insertions(+), 61 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>


-- 
With best wishes
Dmitry


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