diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 214adc6d2a68..0b00de55b2a4 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1350,19 +1350,23 @@ int radeon_pm_late_init(struct radeon_device *rdev) if (rdev->pm.pm_method == PM_METHOD_DPM) { if (rdev->pm.dpm_enabled) { - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - /* XXX: these are noops for dpm but are here for backwards compat */ - ret = device_create_file(rdev->dev, &dev_attr_power_profile); - if (ret) - DRM_ERROR("failed to create device file for power profile\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_method); - if (ret) - DRM_ERROR("failed to create device file for power method\n"); + if (!rdev->pm.sysfs_initialized) { + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + /* XXX: these are noops for dpm but are here for backwards compat */ + ret = device_create_file(rdev->dev, &dev_attr_power_profile); + if (ret) + DRM_ERROR("failed to create device file for power profile\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_method); + if (ret) + DRM_ERROR("failed to create device file for power method\n"); + if (!ret) + rdev->pm.sysfs_initialized = true; + } mutex_lock(&rdev->pm.mutex); ret = radeon_dpm_late_enable(rdev); @@ -1378,7 +1382,8 @@ int radeon_pm_late_init(struct radeon_device *rdev) } } } else { - if (rdev->pm.num_power_states > 1) { + if ((rdev->pm.num_power_states > 1) && + (!rdev->pm.sysfs_initialized)) { /* where's the best place to put these? */ ret = device_create_file(rdev->dev, &dev_attr_power_profile); if (ret) @@ -1386,6 +1391,8 @@ int radeon_pm_late_init(struct radeon_device *rdev) ret = device_create_file(rdev->dev, &dev_attr_power_method); if (ret) DRM_ERROR("failed to create device file for power method\n"); + if (!ret) + rdev->pm.sysfs_initialized = true; } } return ret; |