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| author | Christian König <christian.koenig@amd.com> | 2016-09-07 15:10:44 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-14 15:10:44 -0400 |
| commit | 9702d40dd3baa90e8f08b42a512fe76e2794f9bc (patch) | |
| tree | bbdc60a8110c650a066e1117d9fbde8237230d9f | |
| parent | aa29040b437be9e4255062aa38bcbe7cb50da8c1 (diff) | |
| download | linux-9702d40dd3baa90e8f08b42a512fe76e2794f9bc.tar.bz2 | |
drm/amdgpu: add AMDGPU_BO_INVALID_OFFSET
An invalid offset to be used by custom VRAM/GGT manager when we
don't have an offset for an BO.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e503ca13cccb..151a7066c90e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -956,6 +956,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo) !amdgpu_ttm_is_bound(bo->tbo.ttm)); WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) && !bo->pin_count); + WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET); 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 3032c541ef0e..8255034d73eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -31,6 +31,8 @@ #include <drm/amdgpu_drm.h> #include "amdgpu.h" +#define AMDGPU_BO_INVALID_OFFSET LONG_MAX + /** * amdgpu_mem_type_to_domain - return domain corresponding to mem_type * @mem_type: ttm memory type |