Am 17.12.24 um 18:22 schrieb Michel Dänzer:
From: Michel Dänzer <mdaenzer@xxxxxxxxxx>
Third time's the charm, I hope?
More like the twenties. It's astonishing how many use cases for BOs
without a backing store we have.
Fixes: d3116756a710 ("drm/ttm: rename bo->mem and make it a pointer")
Please double check if that code wasn't introduced later than this patch.
Issue: https://gitlab.freedesktop.org/drm/amd/-/issues/3837
Signed-off-by: Michel Dänzer <mdaenzer@xxxxxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
Or should amdgpu_vm_bo_evicted be called in the !bo->tbo.resource case
as well?
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ddd7f05e4db9..c9c48b782ec1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1266,10 +1266,9 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
* next command submission.
*/
if (amdgpu_vm_is_bo_always_valid(vm, bo)) {
- uint32_t mem_type = bo->tbo.resource->mem_type;
-
- if (!(bo->preferred_domains &
- amdgpu_mem_type_to_domain(mem_type)))
+ if (bo->tbo.resource &&
+ !(bo->preferred_domains &
+ amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type)))
amdgpu_vm_bo_evicted(&bo_va->base);
else
amdgpu_vm_bo_idle(&bo_va->base);
