Re: 6.1.22: Resume from hibernate fails; bisected

[Rainer Fiebig <jrf@mailbox.org>]

Am 07.04.23 um 05:40 schrieb Huang, Tim:
> [AMD Official Use Only - General]
> 
> On Thu, Apr 06, 2023 at 05:39:07PM +0200, Rainer Fiebig wrote:
>> Am 06.04.23 um 15:30 schrieb Linux regression tracking (Thorsten Leemhuis):
>>> [CCing the regression list, as it should be in the loop for regressions:
>>> https://docs.kernel.org/admin-guide/reporting-regressions.html]
>>>
>>> On 06.04.23 14:06, Rainer Fiebig wrote:
>>>> Hi! Since kernel 6.1.22 starting a resume from hibernate by hitting a
>>>> key on the keyboard fails. However, if the PC was switched off and on
>>>> again (or reset), the resume is OK. The APU  is a Ryzen 5600G.
>>>>
>>>> Bisecting between 6.1.21/22 turned up this:
>>>>
>>>>
>>>> Author: Tim Huang <tim.huang@amd.com>
>>>> Date:   Thu Mar 9 16:27:51 2023 +0800
>>>>
>>>>     drm/amdgpu: skip ASIC reset for APUs when go to S4
>>>>
>>>>     commit b589626674de94d977e81c99bf7905872b991197 upstream.
>>>>
>>>>     For GC IP v11.0.4/11, PSP TMR need to be reserved
>>>>     for ASIC mode2 reset. But for S4, when psp suspend,
>>>>     it will destroy the TMR that fails the ASIC reset.
>>>> [...]
>>>>
>>>>
>>>> Reverting the commit solves the problem.
>>>> Thanks.
>>>
>>> Please try 6.1.23 and report back, because from the thread
>>> https://lore.kernel.org/all/20230330160740.1dbff94b@schienar/
>>> it sounds a lot like "drm/amdgpu: allow more APUs to do mode2 reset when
>>> go to S4" might be fixing this, which went into 6.1.23.
>> Yes, 6.1.23 seems OK so far.
>>
> 
> 
> The patch " drm/amdgpu: allow more APUs to do mode2 reset when go to S4" is to fix this hibernate regression issue.
> 
> Sorry to have troubled you.
No problem, please don't take it personally. It wasn't a big deal and I
was just a bit grumpy yesterday.

Thanks for the info and have a good day!

Rainer