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drm/amdgpu: add 64bit wb functions

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Newer asics need 64 bit writeback slots.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ken Wang
2016-03-18 15:08:49 +08:00
committed by Alex Deucher
parent 536fbf946c
commit 7014285ade
3 changed files with 78 additions and 13 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -1021,6 +1021,8 @@ struct amdgpu_wb {
int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
int amdgpu_wb_get_64bit(struct amdgpu_device *adev, u32 *wb);
void amdgpu_wb_free_64bit(struct amdgpu_device *adev, u32 wb);
void amdgpu_get_pcie_info(struct amdgpu_device *adev);