We keep the gang submission fence around in adev, make sure that it
stays alive.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d6b473217c8b..aaa8f9f7b6b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -6753,6 +6753,7 @@ struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
{
struct dma_fence *old = NULL;
+ dma_fence_get(gang);
do {
dma_fence_put(old);
old = amdgpu_device_get_gang(adev);
@@ -6765,6 +6766,7 @@ struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
} while (cmpxchg((struct dma_fence __force **)&adev->gang_submit,
old, gang) != old);
+ dma_fence_put(old);
dma_fence_put(old);
return NULL;
}
--
2.34.1
