From: Christian K� <christian.koenig@xxxxxxx>
commit ca0b954a4315ca2228001c439ae1062561c81989 upstream
It's perfectly possible that the BO is about to be destroyed and doesn't
have a backing store associated with it.
Signed-off-by: Christian K� <christian.koenig@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Acked-by: Guchun Chen <guchun.chen@xxxxxxx>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.3.x
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1266,8 +1266,12 @@ void amdgpu_bo_move_notify(struct ttm_bu
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
- unsigned int domain;
uint64_t size = amdgpu_bo_size(bo);
+ unsigned int domain;
+
+ /* Abort if the BO doesn't currently have a backing store */
+ if (!bo->tbo.resource)
+ return;
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
