diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2023-07-17 22:28:52 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-20 01:26:52 +0300 |
| commit | 207430b76a48b0b245bab08efe346148a5558df7 (patch) | |
| tree | 7db4cf13148b2e41d7c4aee163aa924a768b2967 /drivers/gpu/drm | |
| parent | e6f8588733342c61948fde673a862b53c0d972bc (diff) | |
| download | linux-207430b76a48b0b245bab08efe346148a5558df7.tar.xz | |
drm/amdgpu: Reserve fences for VM update
In amdgpu_dma_buf_move_notify reserve fences for the page table updates
in amdgpu_vm_clear_freed and amdgpu_vm_handle_moved. This fixes a BUG_ON
in dma_resv_add_fence when using SDMA for page table updates.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index 76b618735dc0..b5e28fa3f414 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -404,7 +404,10 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach) continue; } - r = amdgpu_vm_clear_freed(adev, vm, NULL); + /* Reserve fences for two SDMA page table updates */ + r = dma_resv_reserve_fences(resv, 2); + if (!r) + r = amdgpu_vm_clear_freed(adev, vm, NULL); if (!r) r = amdgpu_vm_handle_moved(adev, vm); |