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drm/amdgpu: extend lock range for race condition when gpu reset

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to cover below case:
1. A task gart bind/unbind but not add to adev->gtt_list yet
2. at this time gpu reset, gtt only recover those gtt in adev->gtt_list

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger.He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roger.He
2017-05-05 13:27:10 +08:00
committed by Alex Deucher
parent 455a7bc27c
commit 738f64ccc2
3 changed files with 19 additions and 11 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -554,7 +554,7 @@ int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
int amdgpu_gart_init(struct amdgpu_device *adev);
void amdgpu_gart_fini(struct amdgpu_device *adev);
void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
int pages);
int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
int pages, struct page **pagelist,