Messages in this thread | | | Date | Mon, 11 Apr 2022 06:38:57 -0500 | Subject | Re: [PATCHv2] drm/amdgpu: disable ASPM on Intel AlderLake based systems | From | "Gong, Richard" <> |
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Hi Paul,
On 4/11/2022 2:41 AM, Paul Menzel wrote: > [Cc: +<Dell.Client.Kernel@dell.com>] > > Dear Richard, > > > Am 11.04.22 um 02:27 schrieb Gong, Richard: > >> On 4/8/2022 7:19 PM, Paul Menzel wrote: > >>> Am 08.04.22 um 21:05 schrieb Richard Gong: >>>> Active State Power Management (ASPM) feature is enabled since >>>> kernel 5.14. >>>> There are some AMD GFX cards (such as WX3200 and RX640) that cannot be >>>> used with Intel AlderLake based systems to enable ASPM. Using these >>>> GFX >>> >>> Alder Lake >> will correct in the next version. >>> >>>> cards as video/display output, Intel Alder Lake based systems will >>>> hang >>>> during suspend/resume. >>> >>> Please reflow for 75 characters per line. >>> >>> Also please mention the exact system you had problems with (also >>> firmware versions). >>> >>>> >>>> Add extra check to disable ASPM on Intel AlderLake based systems. >>> >>> Is that a problem with Intel Alder Lake or the Dell system? >>> Shouldn’t ASPM just be disabled for the problematic cards for the >>> Dell system. You write newer cards worked fine. >> >> There is a problem with Dell system (Dell Precision DT workstation), >> which is based on Intel Alder Lake. >> >> ASPM works just fine on these GPU's. It's more of an issue with >> whether the underlying platform supports ASPM or not. > > At least you didn’t document what the real issue is,
You can refer to bug tag from the comment messages.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1885
Regards,
Richard
> that ASPM does not work. With current information (some GPU graphics > card with the the Dell system and others don’t), it could be the GPU, > the Dell system (firmware, …), a problem with Alder Lake SOC, or > another bug. I hope you are in contact with Dell to analyze it, so > ASPM can be enabled again. > > […] > > > Kind regards, > > Paul
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