diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 65 |
1 files changed, 59 insertions, 6 deletions
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; |