Am 2022-04-04 um 17:42 schrieb Philip Yang:
bo_adev is NULL for system memory mapping to GPU.
Fixes: 05fe8eeca92 (drm/amdgpu: fix TLB flushing during eviction)
Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
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++)
