RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-12 Thread Tao, Yintian
-gfx list Subject: RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV Hi Yintian diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index c0f9a651dc06..4f9780aabf5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b

RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-11 Thread Liu, Monk
al Message- From: amd-gfx On Behalf Of Tao, Yintian Sent: Thursday, April 9, 2020 11:23 PM To: Alex Deucher Cc: Deucher, Alexander ; Koenig, Christian ; amd-gfx list Subject: RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV Hi Alex Many thanks for your review.

RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-09 Thread Tao, Yintian
Hi Alex Many thanks for your review. -Original Message- From: Alex Deucher Sent: 2020年4月9日 23:21 To: Tao, Yintian Cc: Koenig, Christian ; Deucher, Alexander ; amd-gfx list Subject: Re: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV On Thu, Apr 9, 2020 at 10:54

Re: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-09 Thread Alex Deucher
On Thu, Apr 9, 2020 at 10:54 AM Yintian Tao wrote: > > Under bare metal, there is no more else to take > care of the GPU register access through MMIO. > Under Virtualization, to access GPU register is > implemented through KIQ during run-time due to > world-switch. > > Therefore, under SR-IOV user

RE: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-09 Thread Tao, Yintian
Subject: Re: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV Am 09.04.20 um 08:01 schrieb Yintian Tao: > Under bare metal, there is no more else to take care of the GPU > register access through MMIO. > Under Virtualization, to access GPU register is implemented through >

Re: [PATCH] drm/amdgpu: restrict debugfs register access under SR-IOV

2020-04-09 Thread Christian König
Am 09.04.20 um 08:01 schrieb Yintian Tao: Under bare metal, there is no more else to take care of the GPU register access through MMIO. Under Virtualization, to access GPU register is implemented through KIQ during run-time due to world-switch. Therefore, under SR-IOV user can only access debugf