diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 4223c56188fe..3df685287cc1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -429,12 +429,22 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev, } src_offset = src->offset; - src_mm = amdgpu_find_mm_node(src->mem, &src_offset); - src_node_size = (src_mm->size << PAGE_SHIFT) - src_offset; + if (src->mem->mm_node) { + src_mm = amdgpu_find_mm_node(src->mem, &src_offset); + src_node_size = (src_mm->size << PAGE_SHIFT) - src_offset; + } else { + src_mm = NULL; + src_node_size = ULLONG_MAX; + } dst_offset = dst->offset; - dst_mm = amdgpu_find_mm_node(dst->mem, &dst_offset); - dst_node_size = (dst_mm->size << PAGE_SHIFT) - dst_offset; + if (dst->mem->mm_node) { + dst_mm = amdgpu_find_mm_node(dst->mem, &dst_offset); + dst_node_size = (dst_mm->size << PAGE_SHIFT) - dst_offset; + } else { + dst_mm = NULL; + dst_node_size = ULLONG_MAX; + } mutex_lock(&adev->mman.gtt_window_lock); |