:50 PM
To: amd-gfx@lists.freedesktop.org
Cc: Kuehling, Felix ; Quan, Evan
Subject: RE: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
+ Felix
-Original Message-
From: Kim, Jonathan
Sent: Wednesday, October 16, 2019 8:49 PM
To: amd-gfx@lists.freedesktop.org
Cc: felix.keuhl
Kuehling, Felix ; Quan, Evan
>> ; Kim, Jonathan ; Kim,
>> Jonathan
>> Subject: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
>>
>> read or writes to df registers when gpu df is in c-states will result
>> in hang. df c-states should be disabled
; Kim, Jonathan ; Kim,
>> Jonathan
>> Subject: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
>>
>> read or writes to df registers when gpu df is in c-states will result in
>> hang. df c-states should be disabled prior to read or writes then
>> re-ena
Reviewed-by: Evan Quan
> -Original Message-
> From: Kim, Jonathan
> Sent: 2019年10月17日 10:06
> To: amd-gfx@lists.freedesktop.org
> Cc: Kuehling, Felix ; Quan, Evan
> ; Kim, Jonathan ; Kim,
> Jonathan
> Subject: [PATCH] drm/amdgpu: disable c-states on xgmi perfmon
Thanks Evan. Resent with fixes.
-Original Message-
From: Quan, Evan
Sent: Wednesday, October 16, 2019 9:34 PM
To: Kim, Jonathan ; amd-gfx@lists.freedesktop.org
Cc: Kuehling, Felix
Subject: RE: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
Hi Jonathan,
At default, vega20
read or writes to df registers when gpu df is in c-states will result in
hang. df c-states should be disabled prior to read or writes then
re-enabled after read or writes.
v2: use old powerplay routines for vega20
Change-Id: I6d5a83e4fe13e29c73dfb03a94fe7c611e867fec
Signed-off-by: Jonathan Kim
esktop.org
> Cc: Kuehling, Felix ; Quan, Evan
>
> Subject: RE: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
>
> + Felix
>
> -Original Message-
> From: Kim, Jonathan
> Sent: Wednesday, October 16, 2019 8:49 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: fel
+ Felix
-Original Message-
From: Kim, Jonathan
Sent: Wednesday, October 16, 2019 8:49 PM
To: amd-gfx@lists.freedesktop.org
Cc: felix.keuhl...@amd.com; Quan, Evan ; Kim, Jonathan
; Kim, Jonathan
Subject: [PATCH] drm/amdgpu: disable c-states on xgmi perfmons
read or writes to df
read or writes to df registers when gpu df is in c-states will result in
hang. df c-states should be disabled prior to read or writes then
re-enabled after read or writes.
Change-Id: I6d5a83e4fe13e29c73dfb03a94fe7c611e867fec
Signed-off-by: Jonathan Kim
---
drivers/gpu/drm/amd/amdgpu/df_v3_6.c |
