linux-kernel - Re: [PATCH v8 01/15] drm/msm/dpu: check every pipe per capability

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Message-ID: <d6756204-b950-4b71-9efa-d0f1691c56f7@quicinc.com>
Date: Tue, 8 Apr 2025 11:50:01 -0700
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
To: Jun Nie <jun.nie@...aro.org>, Rob Clark <robdclark@...il.com>,
        "Dmitry
 Baryshkov" <dmitry.baryshkov@...aro.org>,
        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>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 01/15] drm/msm/dpu: check every pipe per capability



On 3/3/2025 7:14 AM, 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>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 71 ++++++++++++++++---------------
>   1 file changed, 36 insertions(+), 35 deletions(-)
> 

Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>