diff options
| author | Christian König <christian.koenig@amd.com> | 2016-07-25 18:56:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-08 18:32:17 +0300 |
| commit | cdb7e8f2733579e35ec2883bde7b594d07ad67e9 (patch) | |
| tree | ef1b244bae983088efd5c62e9fdb1447121916c2 /drivers/gpu | |
| parent | 78bbbd9c0fcde51b56c5bec99dd286cbad698712 (diff) | |
| download | linux-cdb7e8f2733579e35ec2883bde7b594d07ad67e9.tar.xz | |
drm/amdgpu: add more warning to amdgpu_bo_offset
Warn when we try to get the address and the BO isn't locked or reserved.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 16 |
2 files changed, 19 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 93573586e2de..67de19c46ddb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -737,3 +737,21 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct fence *fence, else reservation_object_add_excl_fence(resv, fence); } + +/** + * amdgpu_bo_gpu_offset - return GPU offset of bo + * @bo: amdgpu object for which we query the offset + * + * Returns current GPU offset of the object. + * + * Note: object should either be pinned or reserved when calling this + * function, it might be useful to add check for this for debugging. + */ +u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo) +{ + WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM); + WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) && + !bo->pin_count); + + return bo->tbo.offset; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index ae188a88082d..d650b42279e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -85,21 +85,6 @@ static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo) ttm_bo_unreserve(&bo->tbo); } -/** - * amdgpu_bo_gpu_offset - return GPU offset of bo - * @bo: amdgpu object for which we query the offset - * - * Returns current GPU offset of the object. - * - * Note: object should either be pinned or reserved when calling this - * function, it might be useful to add check for this for debugging. - */ -static inline u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo) -{ - WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM); - return bo->tbo.offset; -} - static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo) { return bo->tbo.num_pages << PAGE_SHIFT; @@ -169,6 +154,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); void amdgpu_bo_fence(struct amdgpu_bo *bo, struct fence *fence, bool shared); +u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo); /* * sub allocation |