Re: Regression from 3c196f056666 ("drm/amdgpu: always reset the asic in suspend (v2)") on suspend?

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Hi, this is your Linux kernel regression tracker. Top-posting for once,
to make this easily accessible to everyone.

Dominique/Salvatore/Eric, what's the status of this regression?
According to the debian bug tracker the problem is solved with 5.16 and
5.17, but was 5.15 ever fixed?

Ciao, Thorsten

On 21.02.22 15:16, Alex Deucher wrote:
> On Mon, Feb 21, 2022 at 3:29 AM Eric Valette <eric.valette@xxxxxxx> wrote:
>>
>> On 20/02/2022 16:48, Dominique Dumont wrote:
>>> On Monday, 14 February 2022 22:52:27 CET Alex Deucher wrote:
>>>> Does the system actually suspend?
>>>
>>> Not really. The screens looks like it's going to suspend, but it does come
>>> back after 10s or so. The light mounted in the middle of the power button does
>>> not switch off.
>>
>>
>> As I have a very similar problem and also commented on the original
>> debian bug report
>> (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1005005), I will add
>> some information here on another amd only laptop (renoir AMD Ryzen 7
>> 4800H with Radeon Graphics + Radeon RX 5500/5500M / Pro 5500M).
>>
>> For me the suspend works once, but after the first resume (I do know
>> know if it is in the suspend path or the resume path I see a RIP in the
>> dmesg (see aditional info in debian bug))  and later suspend do not
>> work: It only go to the kde login screen.
>>
>> I was unable due to network connectivity to do a full bisect but tested
>> with the patch I had on my laptop:
>>
>> 5.10.101 works, 5.10 from debian works
>> 5.11 works
>> 5.12 works
>> 5.13 suspend works but when resuming the PC is dead I have to reboot
>> 5.14 seems to work but looking at dmesg it is full of RIP messages at
>> various places.
>> 5.15.24 is a described 5.15 from debian is behaving identically
>> 5.16 from debian is behaving identically.
>>
>>>> Is this system S0i3 or regular S3?
>>
>> For me it is real S3.
>>
>> The proposed patch is intended for INTEl + intel gpu + amdgpu but I have
>> dual amd GPU.
> 
> It doesn't really matter what the platform is, it could still
> potentially help on your system, it depends on the bios implementation
> for your platform and how it handles suspend. You can try the patch,
> but I don't think you are hitting the same issue.  I bisect would be
> helpful in your case.
> 
> Alex




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