On 12/2/25 10:47, Pierre-Eric Pelloux-Prayer wrote: > Taking the entity lock is required to guarantee the ordering of > execution. The next commit will add a check that the lock is > held. > > Signed-off-by: Pierre-Eric Pelloux-Prayer <[email protected]>
Reviewed-by: Christian König <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c > index a050167e76a4..832d9ae101f0 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c > @@ -35,6 +35,7 @@ static int amdgpu_benchmark_do_move(struct amdgpu_device > *adev, unsigned size, > struct dma_fence *fence; > int i, r; > > + mutex_lock(&adev->mman.default_entity.lock); > stime = ktime_get(); > for (i = 0; i < n; i++) { > r = amdgpu_copy_buffer(adev, &adev->mman.default_entity, > @@ -47,6 +48,7 @@ static int amdgpu_benchmark_do_move(struct amdgpu_device > *adev, unsigned size, > if (r) > goto exit_do_move; > } > + mutex_unlock(&adev->mman.default_entity.lock); > > exit_do_move: > etime = ktime_get();
