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drm/amdgpu: ignore changes of buffer function status because of GPU resets

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When we reset the GPU we also disable/enable the SDMA, but we don't want
to change TTM idea of the VRAM size in the middle of that.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-03-01 11:03:27 +01:00 committed by Alex Deucher
parent 57adc4cef6
commit 380383f235
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -1540,7 +1540,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
struct ttm_mem_type_manager *man = &adev->mman.bdev.man[TTM_PL_VRAM];
uint64_t size;
if (!adev->mman.initialized)
if (!adev->mman.initialized || adev->in_gpu_reset)
return;
/* this just adjusts TTM size idea, which sets lpfn to the correct value */