linux-kernel - Re: [PATCH v4 0/7] Support for GPU ACD feature on Adreno X1-85

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Message-ID: <0d1aaba8-7736-497e-8424-84489c637914@oss.qualcomm.com>
Date: Wed, 9 Apr 2025 17:08:55 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Anthony Ruhier <aruhier@...lbox.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>
Cc: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Maya Matuszczyk <maccraft123mc@...il.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 0/7] Support for GPU ACD feature on Adreno X1-85

On 3/18/25 2:12 PM, Anthony Ruhier wrote:
> Using this patch serie on 6.14-rc (tested over multiple RCs, up to rc7) on a
> Yoga Slim 7x (x1e80100), I often get a video output freeze a few seconds after
> my wayland compositor loads. I can still ssh into the laptop. I get these
> kernel errors in loop:
> 
> 	msm_dpu ae01000.display-controller: [drm:hangcheck_handler [msm]] *ERROR* 67.5.12.1: hangcheck detected gpu lockup rb 0!
> 	msm_dpu ae01000.display-controller: [drm:hangcheck_handler [msm]] *ERROR* 67.5.12.1:     completed fence: 777
> 	msm_dpu ae01000.display-controller: [drm:hangcheck_handler [msm]] *ERROR* 67.5.12.1:     submitted fence: 778
> 
> Rob Clark recommended to me to remove the higher GPU frequencies added by this
> patch (1.25Ghz and 1.175 Ghz). The lockups happen then less often, but are
> still present. It is easily reproducible.
> 
> A way to mitigate the problem is by constantly moving my cursor during a few
> seconds after my wayland session starts, then no freeze happens. Reverting this
> patch serie fixes the problem.

What firmware files are you using? ZAP surely comes from the Windows
package, but what about GMU and SQE? Linux-firmware?

Specifically, please provide the GMU version which is printed to dmesg
on first GPU open

Konrad