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drm/amd/amdgpu: fix null pointer in runtime pm 

fix the null pointer issue when runtime pm is triggered.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2020-11-17 21:10:59 +08:00 committed by Alex Deucher
parent 78deaf5f98
commit 6fb3320983
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -4866,7 +4866,7 @@ int amdgpu_device_baco_enter(struct drm_device *dev)
if (!amdgpu_device_supports_baco(adev_to_drm(adev)))
return -ENOTSUPP;
if (ras && ras->supported)
if (ras && ras->supported && adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
return amdgpu_dpm_baco_enter(adev);
@ -4885,7 +4885,7 @@ int amdgpu_device_baco_exit(struct drm_device *dev)
if (ret)
return ret;
if (ras && ras->supported)
if (ras && ras->supported && adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
return 0;