> From: Michel Dänzer <mdaen...@redhat.com>
> 
> Third time's the charm, I hope?
> 
> Fixes: d3116756a710 ("drm/ttm: rename bo->mem and make it a pointer")
> Issue: https://gitlab.freedesktop.org/drm/amd/-/issues/3837
> Signed-off-by: Michel Dänzer <mdaen...@redhat.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);

Hi

I reported the issue and just replying to confirm the fix works for me. I 
applied the patch to the openSUSE kernel sources of the same kernel version 
that I got the original bug with and tested again with this patch and now all 
applications works fine.

Thanks!

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