[PATCH] drm/amdgpu: fix pm_load_smu_firmware for SR-IOV

[Trigger Huang]

For SR-IOV VF, powerplay may not be supported, in this case,
error '-EINVAL' should not be returned.

Signed-off-by: Trigger Huang <Trigger.Huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 21b5be1..4276d63 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2709,7 +2709,10 @@ int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_versio
 			return r;
 		}
 		*smu_version = adev->pm.fw_version;
+	} else if (amdgpu_sriov_vf(adev)) {
+		r = 0;
 	}
+
 	return r;
 }
 
-- 
2.7.4