Re: [PATCH 10/16] drm/msm/a6xx: Fix gpu init from secure world

Akhil P Oommen
2026-03-26T20:12:53Z

On 3/24/2026 3:37 PM, Konrad Dybcio wrote:
> On 3/23/26 9:12 PM, Akhil P Oommen wrote:
>> A7XX_GEN2 and newer GPUs requires initialization of few configurations
>> related to features/power from secure world. The SCM call to do this
>> should be triggered after GDSC and clocks are enabled. So, keep this
>> sequence to a6xx_gmu_resume instead of the probe.
>>
>> Fixes: 14b27d5df3ea ("drm/msm/a7xx: Initialize a750 "software fuse"")
>> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
>> ---
>
> This now makes this happen on *every GMU resume*, which sounds
> undesirable (kgsl does this in gen7_gmu_first_boot)

I had this in my TODO list, but forgot to update. Will fix.

>
> Similarly, we call a8xx_gpu_get_slice_info() on *every resume*

No. We check then slice_mask and return early.

-Akhil.

>
> Konrad