linux-kernel - Re: [PATCH 3/4] drm/msm/adreno: Add a modparam to skip GPU

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Message-ID: <a701e4f9-57b7-46cc-b42f-f1a4a902fbbb@oss.qualcomm.com>
Date: Tue, 2 Sep 2025 14:30:48 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Akhil P Oommen <akhilpo@....qualcomm.com>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov
 <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Jonathan Marek <jonathan@...ek.ca>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] drm/msm/adreno: Add a modparam to skip GPU

On 9/2/25 1:50 PM, Akhil P Oommen wrote:
> During bringup of a new GPU support, it is convenient to have knob to
> quickly disable GPU, but keep the display support. This helps to
> fallback to 'kms_swrast' in case of bootup issues due to GPU. Add a
> modparam to support this.

I'm not entirely opposed, but slapping a // in front of the compatible
in the dt works just as well

Konrad