d(ChunMing); Koenig, Christian; Zhang, Jerry
Cc: amd-gfx@lists.freedesktop.org; Ding, Pixel
Subject: [PATCH] drm/amdgpu/virt: skip VM fault handler for VF (v2)
VF uses KIQ to access registers. When VM fault occurs, the driver can't get back
the fence of KIQ submission and runs into CPU soft loc
4:07
> To: Zhou, David(ChunMing); Koenig, Christian; Zhang, Jerry
> Cc: amd-gfx@lists.freedesktop.org; Ding, Pixel
> Subject: [PATCH] drm/amdgpu/virt: skip VM fault handler for VF (v2)
>
> VF uses KIQ to access registers. When VM fault occurs, the driver can't get
> back
&
gt;> Cc: amd-gfx@lists.freedesktop.org; Ding, Pixel
>> Subject: [PATCH] drm/amdgpu/virt: skip VM fault handler for VF (v2)
>>
>> VF uses KIQ to access registers. When VM fault occurs, the driver can't get
>> back
>> the fence of KIQ submission and runs into CPU
VF uses KIQ to access registers. When VM fault occurs, the driver
can't get back the fence of KIQ submission and runs into CPU soft
lockup.
v2: print IV entry info
Signed-off-by: Pixel Ding
---
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/driv
_
>
>
>> -Original Message-
>> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf Of
>> Pixel Ding
>> Sent: Tuesday, February 07, 2017 13:49
>> To: Zhou, David(ChunMing); Koenig, Christian
>> Cc: Ding, Pixel; amd-gfx@lists.fr
ng
> Sent: Tuesday, February 07, 2017 13:49
> To: Zhou, David(ChunMing); Koenig, Christian
> Cc: Ding, Pixel; amd-gfx@lists.freedesktop.org
> Subject: [PATCH] drm/amdgpu/virt: skip VM fault handler for VF
>
> VF uses KIQ to access registers. When VM fault occurs, the driver can'
VF uses KIQ to access registers. When VM fault occurs, the driver
can't get back the fence of KIQ submission and runs into CPU soft
lockup.
Signed-off-by: Pixel Ding
---
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_
