drm/amdgpu: grab extra fence reference for drm_sched_job_add_dependency

That function consumes the reference.

Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Reported-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: aab9cf7b69 ("drm/amdgpu: use scheduler dependencies for VM updates")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2022-12-19 11:47:18 +01:00 committed by Alex Deucher
parent e1d900df63
commit c1c4a8b217
1 changed files with 2 additions and 0 deletions

View File

@ -238,8 +238,10 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p,
/* Wait for PD/PT moves to be completed */
dma_resv_iter_begin(&cursor, bo->tbo.base.resv, DMA_RESV_USAGE_KERNEL);
dma_resv_for_each_fence_unlocked(&cursor, fence) {
dma_fence_get(fence);
r = drm_sched_job_add_dependency(&p->job->base, fence);
if (r) {
dma_fence_put(fence);
dma_resv_iter_end(&cursor);
return r;
}