, October 10, 2023 6:14 PM
To: Koenig, Christian ; Zhang, Hawking
; Wang, Yang(Kevin) ;
amd-gfx@lists.freedesktop.org
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
If the behavior is correct, this patch looks like workaround HW reset not
flushed the TLB or something can
To: Xu, Feifei ; Zhang, Hawking ;
Wang, Yang(Kevin) ; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
Hi Feifei,
yeah, that is correct behavior. The GMC callback should *not* get called during
resume in a reset, because the reset needs to take
; amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian ; Zhang, Hawking
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
>> Then a TLB flush shouldn't be necessary on reset. A reset implies that the
>> TLB is cleared as well.
Hmm, in current implementation, when
Xu, Feifei ; Wang, Yang(Kevin) ;
amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian ; Zhang, Hawking
Subject: Re: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
Am 09.10.23 um 03:50 schrieb Xu, Feifei:
> [AMD Official Use Only - General]
>
> Hi,
>
>>> Based o
Xu, Feifei would like to recall the message, "[PATCH] drm/amdgpu:Check gfx
poweron when skip flush_gpu_tlb".
lock not paried.
Thanks,
Feifei
-Original Message-
From: Christian König
Sent: Monday, October 9, 2023 4:52 PM
To: Xu, Feifei ; Wang, Yang(Kevin) ;
amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian ; Zhang, Hawking
Subject: Re: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
Am 09.1
fei
Sent: Tuesday, October 10, 2023 10:28 AM
To: Zhang, Hawking ; Wang, Yang(Kevin)
; amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
Yes, adev->gfx.is_poweron check will be applied in gmc_v11 callback, which will
ecuted
later.
Thanks,
Feifei
-Original Message-
From: Zhang, Hawking
Sent: Monday, October 9, 2023 4:58 PM
To: Xu, Feifei ; Wang, Yang(Kevin) ;
amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
[AMD Official Us
From: Zhang, Hawking
Sent: Monday, October 9, 2023 4:58 PM
To: Xu, Feifei ; Wang, Yang(Kevin) ;
amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
[AMD Official Use Only - General]
adev->gfx.is_poweron check should alrea
rds,
Hawking
-Original Message-
From: Xu, Feifei
Sent: Monday, October 9, 2023 09:51
To: Wang, Yang(Kevin) ; amd-gfx@lists.freedesktop.org
Cc: Koenig, Christian ; Zhang, Hawking
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
[AMD Official Use Only - General]
Thanks,
Feifei
-Original Message-
From: Wang, Yang(Kevin)
Sent: Sunday, October 8, 2023 9:36 PM
To: Xu, Feifei ; amd-gfx@lists.freedesktop.org
Cc: Xu, Feifei ; Xu, Feifei ; Koenig, Christian
; Zhang, Hawking
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
-Or
Yang(Kevin)
Sent: Sunday, October 8, 2023 9:36 PM
To: Xu, Feifei ; amd-gfx@lists.freedesktop.org
Cc: Xu, Feifei ; Xu, Feifei ; Koenig,
Christian ; Zhang, Hawking
Subject: RE: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
-Original Message-
From: amd-gfx
-Original Message-
From: amd-gfx On Behalf Of Feifei Xu
Sent: Sunday, October 8, 2023 6:07 PM
To: amd-gfx@lists.freedesktop.org
Cc: Xu, Feifei ; Xu, Feifei ; Koenig,
Christian ; Zhang, Hawking
Subject: [PATCH] drm/amdgpu:Check gfx poweron when skip flush_gpu_tlb
To fix the gpu
To fix the gpu recovery failed on GFX11 with gfxhub pagefault,
flush gpu tlb after reset on GFX11.
Gfxhub tlb flush need check if adev->gfx.is_poweron set.
Fixes: d0c860f33553 ("drm/amdgpu: rework lock handling for flush_tlb v2")
Signed-off-by: Feifei Xu
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