3 files changed, 67 insertions, 6 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 2e13b8ef6681..4a836db1000f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2682,6 +2682,9 @@ fence_driver_init:
 
 	amdgpu_fbdev_init(adev);
 
+	if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))
+		amdgpu_pm_virt_sysfs_init(adev);
+
 	r = amdgpu_pm_sysfs_init(adev);
 	if (r)
 		DRM_ERROR("registering pm debugfs failed (%d).\n", r);
@@ -2803,6 +2806,9 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
 	iounmap(adev->rmmio);
 	adev->rmmio = NULL;
 	amdgpu_device_doorbell_fini(adev);
+	if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))
+		amdgpu_pm_virt_sysfs_fini(adev);
+
 	amdgpu_debugfs_regs_cleanup(adev);
 	device_remove_file(adev->dev, &dev_attr_pcie_replay_count);
 	amdgpu_ucode_sysfs_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index d8828a37e43a..71176f915457 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -269,8 +269,11 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
 	struct amdgpu_device *adev = ddev->dev_private;
 	enum amd_dpm_forced_level level = 0xff;
 
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	if ((adev->flags & AMD_IS_PX) &&
+	    (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
 		return snprintf(buf, PAGE_SIZE, "off\n");
 
 	if (is_support_sw_smu(adev))
@@ -308,10 +311,12 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
 	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
 		return -EINVAL;
 
-	if (is_support_sw_smu(adev))
-		current_level = smu_get_performance_level(&adev->smu);
-	else if (adev->powerplay.pp_funcs->get_performance_level)
-		current_level = amdgpu_dpm_get_performance_level(adev);
+	if (!amdgpu_sriov_vf(adev)) {
+		if (is_support_sw_smu(adev))
+			current_level = smu_get_performance_level(&adev->smu);
+		else if (adev->powerplay.pp_funcs->get_performance_level)
+			current_level = amdgpu_dpm_get_performance_level(adev);
+	}
 
 	if (strncmp("low", buf, strlen("low")) == 0) {
 		level = AMD_DPM_FORCED_LEVEL_LOW;
@@ -885,6 +890,9 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
 	int ret;
 	uint32_t mask = 0;
 
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
 	ret = amdgpu_read_mask(buf, count, &mask);
 	if (ret)
 		return ret;
@@ -907,6 +915,10 @@ static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 
+	if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev) &&
+	    adev->virt.ops->get_pp_clk)
+		return adev->virt.ops->get_pp_clk(adev, PP_MCLK, buf);
+
 	if (is_support_sw_smu(adev))
 		return smu_print_clk_levels(&adev->smu, PP_MCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
@@ -925,6 +937,9 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
 	int ret;
 	uint32_t mask = 0;
 
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
 	ret = amdgpu_read_mask(buf, count, &mask);
 	if (ret)
 		return ret;
@@ -2698,6 +2713,44 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
 
 }
 
+int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev)
+{
+	int ret = 0;
+
+	if (!(amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)))
+		return ret;
+
+	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_dpm_sclk\n");
+		return ret;
+	}
+
+	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_dpm_mclk\n");
+		return ret;
+	}
+
+	ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
+	if (ret) {
+		DRM_ERROR("failed to create device file for dpm state\n");
+		return ret;
+	}
+
+	return ret;
+}
+
+void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev)
+{
+	if (!(amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)))
+		return;
+
+	device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
+	device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
+	device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
+}
+
 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
 {
 	int r = -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
index 7ff0e7621fff..ef31448ee8d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
@@ -32,7 +32,9 @@ struct cg_flag_name
 
 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev);
+int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev);
 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev);
+void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev);
 void amdgpu_pm_print_power_states(struct amdgpu_device *adev);
 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version);
 void amdgpu_pm_compute_clocks(struct amdgpu_device *adev);