linux-kernel - Re: [PATCH v6 01/15] drm/msm/dpu: check every pipe per capability

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Message-ID: <sd3u2l4epms4ttytoc2bqrzsqfxnphqkutwkxremjon22ven72@3rohlpaxhryr>
Date: Mon, 17 Feb 2025 21:50:30 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Jun Nie <jun.nie@...aro.org>
Cc: Rob Clark <robdclark@...il.com>, 
	Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>, 
	Marijn Suijten <marijn.suijten@...ainline.org>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Jessica Zhang <quic_jesszhan@...cinc.com>, 
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 01/15] drm/msm/dpu: check every pipe per capability

On Mon, Feb 17, 2025 at 10:15:50PM +0800, Jun Nie wrote:
> The capability stored in sblk and pipe_hw_caps is checked only for
> SSPP of the first pipe in the pair with current implementation. That
> of the 2nd pipe, r_pipe, is not checked and may violate hardware
> capability. Move requirement check to dpu_plane_atomic_check_pipe()
> for the check of every pipe.
> 
> Fixes: ("dbbf57dfd04e6 drm/msm/dpu: split dpu_plane_atomic_check()")
> Signed-off-by: Jun Nie <jun.nie@...aro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 71 ++++++++++++++++---------------
>  1 file changed, 36 insertions(+), 35 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry