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

[Konrad Dybcio]

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