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authorQiang Yu <qiang.yu@amd.com>2022-03-01 14:11:59 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-03-02 18:36:43 -0500
commitf1ef17011c765495c876fa75435e59eecfdc1ee4 (patch)
tree30a5385563cae1343a1c1869574cb000f256d073
parente7c470a4b543375d50d88a4c5abd4b9e0f5adcea (diff)
downloadlinux-f1ef17011c765495c876fa75435e59eecfdc1ee4.tar.gz
drm/amdgpu: fix suspend/resume hang regression
Regression has been reported that suspend/resume may hang with the previous vm ready check commit. So bring back the evicted list check as a temp fix. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1922 Fixes: c1a66c3bc425 ("drm/amdgpu: check vm ready by amdgpu_vm->evicting flag") Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Qiang Yu <qiang.yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index d62190b3dd9bba..418341a6751716 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -777,7 +777,8 @@ bool amdgpu_vm_ready(struct amdgpu_vm *vm)
amdgpu_vm_eviction_lock(vm);
ret = !vm->evicting;
amdgpu_vm_eviction_unlock(vm);
- return ret;
+
+ return ret && list_empty(&vm->evicted);
}
/**