Re: [PATCH] amdgpu/pm: Disable managing power profiles on SRIOV for Sienna Cichlid

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Dear Danijel,


Am 06.05.22 um 09:52 schrieb Danijel Slivka:

Please add a reasoning/motivation in the commit message body.


Kind regards,

Paul


Signed-off-by: Danijel Slivka <danijel.slivka@xxxxxxx>
---
  drivers/gpu/drm/amd/pm/amdgpu_pm.c | 9 +++++++++
  1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 70a0aad05426..59a662aeaaf3 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2025,6 +2025,8 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
  	} else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
  		if (amdgpu_dpm_get_power_profile_mode(adev, NULL) == -EOPNOTSUPP)
  			*states = ATTR_STATE_UNSUPPORTED;
+		else if (gc_ver == IP_VERSION(10, 3, 0) && amdgpu_sriov_vf(adev))
+			*states = ATTR_STATE_UNSUPPORTED;
  	}
switch (gc_ver) {
@@ -2038,6 +2040,13 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
  			dev_attr->store = NULL;
  		}
  		break;
+	case IP_VERSION(10, 3, 0):
+		if (DEVICE_ATTR_IS(power_dpm_force_performance_level) &&
+		    amdgpu_sriov_vf(adev)) {
+			dev_attr->attr.mode &= ~S_IWUGO;
+			dev_attr->store = NULL;
+		}
+		break;
  	default:
  		break;
  	}



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