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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 09:21:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 09:21:39 -0700
commitaa9f56b66d278aba2f278c75761b7e19fbaca97a (patch)
treef1a9a0e68b07a3a1a0643389cb5ff838366a2d32 /drivers/gpu/drm/radeon/radeon_pm.c
parent58d4ea65b98f154f3326b038eecda32f90b46ea8 (diff)
parent31ce4bfdfd10bf5db9bf85c92bbe0cf2edbdcad8 (diff)
downloadblackbird-op-linux-aa9f56b66d278aba2f278c75761b7e19fbaca97a.tar.gz
blackbird-op-linux-aa9f56b66d278aba2f278c75761b7e19fbaca97a.zip
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (55 commits) io-mapping: move asm include inside the config option vgaarb: drop vga.h include drm/radeon: Add probing of clocks from device-tree drm/radeon: drop old and broken mesa warning drm/radeon: Fix pci_map_page() error checking drm: Remove count_lock for calling lastclose() after 58474713 (v2) drm/radeon/kms: allow FG_ALPHA_VALUE on r5xx drm/radeon/kms: another r6xx/r7xx CS checker fix DRM: Replace kmalloc/memset combos with kzalloc drm: expand gamma_set drm/edid: Split mode lists out to their own header for readability drm/edid: Rewrite mode parse to use the generic detailed block walk drm/edid: Add detailed block walk for VTB extensions drm/edid: Add detailed block walk for CEA extensions drm: Remove unused fields from drm_display_info drm: Use ENOENT consistently for the error return for an unmatched handle. drm/radeon/kms: mark 3D power states as performance drm: Only set DPMS once on the CRTC not after every encoder. drm/radeon/kms: add additional quirk for Acer rv620 laptop drm: Propagate error code from fb_create() ... Fix up trivial conflicts in drivers/gpu/drm/drm_edid.c
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 95f8b3a3c43d..58038f5cab38 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -472,9 +472,9 @@ static const struct attribute_group hwmon_attrgroup = {
.attrs = hwmon_attributes,
};
-static void radeon_hwmon_init(struct radeon_device *rdev)
+static int radeon_hwmon_init(struct radeon_device *rdev)
{
- int err;
+ int err = 0;
rdev->pm.int_hwmon_dev = NULL;
@@ -483,15 +483,26 @@ static void radeon_hwmon_init(struct radeon_device *rdev)
case THERMAL_TYPE_RV770:
case THERMAL_TYPE_EVERGREEN:
rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev);
+ if (IS_ERR(rdev->pm.int_hwmon_dev)) {
+ err = PTR_ERR(rdev->pm.int_hwmon_dev);
+ dev_err(rdev->dev,
+ "Unable to register hwmon device: %d\n", err);
+ break;
+ }
dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev);
err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj,
&hwmon_attrgroup);
- if (err)
- DRM_ERROR("Unable to create hwmon sysfs file: %d\n", err);
+ if (err) {
+ dev_err(rdev->dev,
+ "Unable to create hwmon sysfs file: %d\n", err);
+ hwmon_device_unregister(rdev->dev);
+ }
break;
default:
break;
}
+
+ return err;
}
static void radeon_hwmon_fini(struct radeon_device *rdev)
@@ -540,6 +551,7 @@ void radeon_pm_resume(struct radeon_device *rdev)
int radeon_pm_init(struct radeon_device *rdev)
{
int ret;
+
/* default to profile method */
rdev->pm.pm_method = PM_METHOD_PROFILE;
rdev->pm.profile = PM_PROFILE_DEFAULT;
@@ -561,7 +573,9 @@ int radeon_pm_init(struct radeon_device *rdev)
}
/* set up the internal thermal sensor if applicable */
- radeon_hwmon_init(rdev);
+ ret = radeon_hwmon_init(rdev);
+ if (ret)
+ return ret;
if (rdev->pm.num_power_states > 1) {
/* where's the best place to put these? */
ret = device_create_file(rdev->dev, &dev_attr_power_profile);
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