[PATCH 1/1] drm/amdkfd: Add missing NULL check in svm_range_map_to_gpu

[Christian König]

Am 05.04.22 um 08:45 schrieb Paul Menzel:
> Dear Philip,
>
>
> Am 04.04.22 um 23:42 schrieb Philip Yang:
>> bo_adev is NULL for system memory mapping to GPU.
>>
>> Fixes: 05fe8eeca92 (drm/amdgpu: fix TLB flushing during eviction)
>
> Sorry, where can I find that commit?

Well that's expected, the development branch is not public.

Regards,
Christian.

> I do not see it in drm-next from agd5f git archive 
> git at gitlab.freedesktop.org:agd5f/linux.git.
>
>     $ git log --oneline -1
>     e45422695c19 (HEAD, agd5f/drm-next) drm/amdkfd: Create file 
> descriptor after client is added to smi_clients list
>
>
> Kind regards,
>
> Paul
>
>
>> Signed-off-by: Philip Yang <Philip.Yang at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c 
>> b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
>> index 907b02045824..d3fb2d0b5a25 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
>> @@ -1281,7 +1281,7 @@ svm_range_map_to_gpu(struct kfd_process_device 
>> *pdd, struct svm_range *prange,
>>                          last_start, prange->start + i,
>>                          pte_flags,
>>                          last_start - prange->start,
>> -                       bo_adev->vm_manager.vram_base_offset,
>> +                       bo_adev ? 
>> bo_adev->vm_manager.vram_base_offset : 0,
>>                          NULL, dma_addr, &vm->last_update);
>>             for (j = last_start - prange->start; j <= i; j++)