drm/amdgpu: fix old fence check in amdgpu_fence_emit
commitc8bd0da237e20664fe481af8aebc9c7c5d6a9e8b
authorChristian König <christian.koenig@amd.com>
Fri, 29 Mar 2019 18:30:23 +0000 (29 19:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 31 May 2019 13:47:28 +0000 (31 06:47 -0700)
tree4f1efefa3e3750c96c723571a92ba27cb55d7d1d
parent1b3f785bdf55bf6f5ca48628b4e1c6ac5f02da64
drm/amdgpu: fix old fence check in amdgpu_fence_emit

[ Upstream commit 3d2aca8c8620346abdba96c6300d2c0b90a1d0cc ]

We don't hold a reference to the old fence, so it can go away
any time we are waiting for it to signal.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c