4:27 AM
To: Yu, Lang ; amd-gfx@lists.freedesktop.org
Cc: Lazar, Lijo ; Huang, Ray
Subject: Re: [PATCH] drm/amdgpu: add safeguards for accessing mmhub CG registers
[Public]
Should we set *flags = 0 before we return?
Alex
From: Yu, Lang mailto:lang...@amd.com
[Public]
Should we set *flags = 0 before we return?
Alex
From: Yu, Lang
Sent: Wednesday, January 26, 2022 2:53 AM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander ; Lazar, Lijo
; Huang, Ray ; Yu, Lang
Subject: [PATCH] drm/amdgpu: add safeguards for ac
causes the issue.
Regards,
Lang
From: Lazar, Lijo
Sent: Wednesday, January 26, 2022 8:06 PM
To: Yu, Lang ; amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander ; Huang, Ray
; Yu, Lang
Subject: Re: [PATCH] drm/amdgpu: add safeguards for accessing mmhub CG registers
[Public]
Hi Lang,
There
[Public]
Hi Lang,
There are ASICs in which driver doesn't enable CG, and then these flags will be
false. However, the CG will be enabled by another component like VBIOS. Driver
still reports the CG status eventhough driver doesn't enable it. For those,
this logic doesn't work.
BTW, could you
Am 26.01.22 um 12:02 schrieb Lang Yu:
On 01/26/ , Christian König wrote:
Am 26.01.22 um 08:53 schrieb Lang Yu:
We observed a gpu hang when querying mmhub CG status(i.e.,
cat amdgpu_pm_info) on cyan skillfish. Acctually, cyan
skillfish doesn't support any CG features.
Only allow asics which sup
Am 26.01.22 um 08:53 schrieb Lang Yu:
We observed a gpu hang when querying mmhub CG status(i.e.,
cat amdgpu_pm_info) on cyan skillfish. Acctually, cyan
skillfish doesn't support any CG features.
Only allow asics which support CG features accessing related
registers. Will add similar safeguards f
