[PATCH] drm/amdgpu: Enable light SBR in XGMI+passthrough configuration

[shaoyunl]

This is to fix the commit dda9bbb26c7 where it only enable the light SMU
on normal device init. This feature actually need to be enabled after ASIC
been reset as well.

Signed-off-by: shaoyunl <shaoyun.liu at amd.com>
Change-Id: Ie7ee02cd3ccdab3522aad9a02f681963e211ed44
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index cada3e77c7d5..34472c9d73f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2513,6 +2513,11 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
 	if (r)
 		DRM_ERROR("enable mgpu fan boost failed (%d).\n", r);
 
+	/* For XGMI + passthrough configuration on arcturus, enable light SBR */
+	if (adev->asic_type == CHIP_ARCTURUS &&
+	    amdgpu_passthrough(adev) &&
+	    adev->gmc.xgmi.num_physical_nodes > 1)
+		smu_set_light_sbr(&adev->smu, true);
 
 	if (adev->gmc.xgmi.num_physical_nodes > 1) {
 		mutex_lock(&mgpu_info.mutex);
@@ -3615,10 +3620,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	if (amdgpu_device_cache_pci_state(adev->pdev))
 		pci_restore_state(pdev);
 
-	/* Enable lightSBR on SMU in passthrough + xgmi configuration */
-	if (amdgpu_passthrough(adev) && adev->gmc.xgmi.num_physical_nodes > 1)
-		smu_set_light_sbr(&adev->smu, true);
-
 	if (adev->gmc.xgmi.pending_reset)
 		queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work,
 				   msecs_to_jiffies(AMDGPU_RESUME_MS));
-- 
2.17.1