Am 17.12.24 um 18:22 schrieb Michel Dänzer:
From: Michel Dänzer <mdaen...@redhat.com>

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 <mdaen...@redhat.com>

Reviewed-by: Christian König <christian.koe...@amd.com>

---

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);

Reply via email to