This patch is used for virtualization support. In virtualization,
only SMU manager is needed, DPM should be disabled. This is a
use case for commit 2f9346b6f984
("drm/amdgpu/powerplay: pp module only enable smu when dpm disabled.")
Signed-off-by: Trigger Huang <trigger.huang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 9528072..d1c0abc 100755
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1147,6 +1147,11 @@ static int vi_common_early_init(void *handle)
if (adev->asic_funcs->detect_hw_virtualization)
amdgpu_asic_detect_hw_virtualization(adev);
+ if (amdgpu_sriov_vf(adev)) {
+ /* For virtualization, we need to disable DPM */
+ amdgpu_dpm = 0;
+ }
+
if (amdgpu_smc_load_fw && smc_enabled)
adev->firmware.smu_load = true;
--
2.7.4
