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| author | Alex Deucher <alexander.deucher@amd.com> | 2015-10-23 10:38:52 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-11-09 12:50:25 -0800 |
| commit | 7fc5986496d4f18edec7ac5e5b7e0db45a58ff88 (patch) | |
| tree | cb45425177ccb6af9369549a3042ac79ad6e009f | |
| parent | 41b849066ae71ab5f8d36743814a42ed6be718ae (diff) | |
| download | linux-stable-7fc5986496d4f18edec7ac5e5b7e0db45a58ff88.tar.gz linux-stable-7fc5986496d4f18edec7ac5e5b7e0db45a58ff88.tar.bz2 linux-stable-7fc5986496d4f18edec7ac5e5b7e0db45a58ff88.zip | |
drm/radeon: don't try to recreate sysfs entries on resume
commit 49abb26651167c892393cd9f2ad23df429645ed9 upstream.
Fixes a harmless error message caused by:
51a4726b04e880fdd9b4e0e58b13f70b0a68a7f5
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 35 |
2 files changed, 22 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index b837e9f9f8ce..1f14f32853ef 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1551,6 +1551,7 @@ struct radeon_pm { struct device *int_hwmon_dev; /* dpm */ bool dpm_enabled; + bool sysfs_initialized; struct radeon_dpm dpm; }; 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; |