This is a note to let you know that I've just added the patch titled
drm/radeon/dpm: don't add pwm attributes if DPM is disabled
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-dpm-don-t-add-pwm-attributes-if-dpm-is-disabled.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9 Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Mon, 19 Oct 2015 09:30:42 -0400
Subject: drm/radeon/dpm: don't add pwm attributes if DPM is disabled
From: Alex Deucher <[email protected]>
commit 2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9 upstream.
PWM fan control is only available with DPM. If DPM disabled,
don't expose the PWM fan controls to avoid a crash.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=92524
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon_pm.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -613,10 +613,14 @@ static umode_t hwmon_attributes_visible(
struct device *dev = container_of(kobj, struct device, kobj);
struct radeon_device *rdev = dev_get_drvdata(dev);
- /* Skip limit attributes if DPM is not enabled */
+ /* Skip attributes if DPM is not enabled */
if (rdev->pm.pm_method != PM_METHOD_DPM &&
(attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
- attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
+ attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
+ attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
+ attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
+ attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
+ attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
return 0;
return attr->mode;
Patches currently in stable-queue which might be from [email protected]
are
queue-3.14/drm-radeon-don-t-try-to-recreate-sysfs-entries-on-resume.patch
queue-3.14/drm-radeon-dpm-don-t-add-pwm-attributes-if-dpm-is-disabled.patch
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