drm/amdgpu:fix gfx fence allocate size

1, for sriov, we need 8dw for the gfx fence due to CP
behaviour
2, cleanup wrong logic in wptr/rptr wb alloc and free

Change-Id: Ifbfed17a4621dae57244942ffac7de1743de0294
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu
2017-06-19 10:19:41 -04:00
committed by Alex Deucher
parent e342610c9a
commit 0915fdbc69
3 changed files with 52 additions and 8 deletions

View File

@@ -1192,7 +1192,9 @@ 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);
int amdgpu_wb_get_256Bit(struct amdgpu_device *adev, u32 *wb);
void amdgpu_wb_free_64bit(struct amdgpu_device *adev, u32 wb);
void amdgpu_wb_free_256bit(struct amdgpu_device *adev, u32 wb);
void amdgpu_get_pcie_info(struct amdgpu_device *adev);