| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20151106192206.965245792@linuxfoundation.org>
Date: Fri, 6 Nov 2015 11:22:31 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 4.1 32/86] drm/radeon: dont try to recreate sysfs entries on resume
4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deucher@....com>
commit 49abb26651167c892393cd9f2ad23df429645ed9 upstream.
Fixes a harmless error message caused by:
51a4726b04e880fdd9b4e0e58b13f70b0a68a7f5
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_pm.c | 35 +++++++++++++++++++++--------------
2 files changed, 22 insertions(+), 14 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1656,6 +1656,7 @@ struct radeon_pm {
u8 fan_max_rpm;
/* dpm */
bool dpm_enabled;
+ bool sysfs_initialized;
struct radeon_dpm dpm;
};
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1533,19 +1533,23 @@ int radeon_pm_late_init(struct radeon_de
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);
@@ -1561,7 +1565,8 @@ int radeon_pm_late_init(struct radeon_de
}
}
} 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)
@@ -1569,6 +1574,8 @@ int radeon_pm_late_init(struct radeon_de
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;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists