diff options
| author | Philip Yang <Philip.Yang@amd.com> | 2022-03-27 22:02:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-31 23:05:53 -0400 |
| commit | 9563e1ec9292254a5feb3dd1b7fbef0bed512c8f (patch) | |
| tree | 031d284a00ea51d4a71e4e01f9c2f98209b2beef | |
| parent | 3222a81148ca273af66cb67f8445114bc633e747 (diff) | |
| download | linux-9563e1ec9292254a5feb3dd1b7fbef0bed512c8f.tar.bz2 | |
drm/amdgpu: Correct unlocked update fence handling
To fix two issues with unlocked update fence:
1. vm->last_unlocked store the latest fence without taking refcount.
2. amdgpu_vm_bo_update_mapping returns old fence, not the latest fence.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c index dbb551762805..69fba68ff88e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c @@ -109,7 +109,7 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, if (p->unlocked) { struct dma_fence *tmp = dma_fence_get(f); - swap(p->vm->last_unlocked, f); + swap(p->vm->last_unlocked, tmp); dma_fence_put(tmp); } else { amdgpu_bo_fence(p->vm->root.bo, f, true); |