diff options
| author | Lang Yu <lang.yu@amd.com> | 2024-09-01 08:56:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-06 17:36:50 -0400 |
| commit | 4453808d9eab0461dea338e89372ffc4a3c50acc (patch) | |
| tree | aa0bb2fc27293a7d132066e2db396e68da932a4d /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 4da5a95bf125fd682249f60e296455c6413b4e10 (diff) | |
drm/amdgpu: fix invalid fence handling in amdgpu_vm_tlb_flush
CPU based update doesn't produce a fence, handle such cases properly.
Fixes: d8a3f0a0348d ("drm/amdgpu: implement TLB flush fence")
Signed-off-by: Lang Yu <lang.yu@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/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index bf18fdec10d7..75740e08630d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -908,10 +908,12 @@ amdgpu_vm_tlb_flush(struct amdgpu_vm_update_params *params, { struct amdgpu_vm *vm = params->vm; - if (!fence || !*fence) + tlb_cb->vm = vm; + if (!fence || !*fence) { + amdgpu_vm_tlb_seq_cb(NULL, &tlb_cb->cb); return; + } - tlb_cb->vm = vm; if (!dma_fence_add_callback(*fence, &tlb_cb->cb, amdgpu_vm_tlb_seq_cb)) { dma_fence_put(vm->last_tlb_flush); |