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(parent: 74f8bf8) | patch
drm/amdgpu/virt: skip VM fault handler for VF
authorPixel Ding <Pixel.Ding@amd.com>
Mon, 6 Feb 2017 09:32:22 +0000 (17:32 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 30 Mar 2017 03:52:38 +0000 (23:52 -0400)
commitd08d55211edd4429e192f678c8460e04a7a3338e
tree417eae0053def3f19dad2c34ab506f1a3174f6c9tree | snapshot
parent74f8bf87f6b7ba6e0268cb407eb4c63dd04323d5commit | diff
drm/amdgpu/virt: skip VM fault handler for VF

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 <Pixel.Ding@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c diff | blob | history
Linux Kernel Source Tree.