From: Kenneth Feng kenneth.feng@amd.com
commit 7acc79eb5f78d3d1aa5dd21fc0a0329f1b7f2be5 upstream.
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 Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4593,7 +4593,7 @@ int amdgpu_device_baco_enter(struct drm_ if (!amdgpu_device_supports_baco(adev->ddev)) 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); @@ -4612,7 +4612,7 @@ int amdgpu_device_baco_exit(struct drm_d 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;