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(parent: d8adeec) | patch
drm/amdgpu: check if vram is lost v2
authorChunming Zhou <David1.Zhou@amd.com>
Mon, 15 May 2017 06:20:00 +0000 (14:20 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 May 2017 22:10:06 +0000 (18:10 -0400)
commitde7de63009e7b7c8103c60bee8cf9d72cf83679e
tree154439f0b20cba71463f67ccaf5913a29ebf30d8tree | snapshot
parentd8adeece13a8773ad587d2220b4189c3bdb498a0commit | diff
drm/amdgpu: check if vram is lost v2

backup first 64 byte of gart table as reset magic, check if magic is same
after gpu hw reset.
v2: use memcmp instead of manual innovation.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c diff | blob | history
Linux Kernel Source Tree.