linux-kernel - Re: [PATCH 2/2] drm/msm/dpu: try reserving the DSPP-less LM first

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Message-ID: <fb19c7cb-96bf-4abd-94b7-9d5eca07c346@oss.qualcomm.com>
Date: Fri, 16 Jan 2026 11:02:28 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov
 <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/msm/dpu: try reserving the DSPP-less LM first

On 1/15/26 9:05 PM, Dmitry Baryshkov wrote:
> On most of the platforms only some mixers have connected DSPP blocks.
> If DSPP is not required for the CRTC, try looking for the LM with no
> DSSP block, leaving DSPP-enabled LMs to CRTCs which actually require
> those.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad