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drm/amdgpu: Enable light SBR for SMU on passthrough and XGMI configuration

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SMU introduce the new interface to enable light Secondary Bus Reset mode, driver
enable it on passthrough + XGMI configuration

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2021-03-10 12:51:39 -05:00 • committed by Alex Deucher
parent 0e92159640
commit 3ae3a4ad83
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3615,6 +3615,10 @@ fence_driver_init:
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));