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drm/amdgpu: make sure that BOs have a backing store

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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 König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2023-06-05 11:11:22 +02:00 committed by Alex Deucher
parent e2ad8e2df4
commit ca0b954a43
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -1282,8 +1282,12 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
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) {