This is a note to let you know that I've just added the patch titled
drm/i915: make rc6 in sysfs functions conditional
to the 3.5-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-i915-make-rc6-in-sysfs-functions-conditional.patch
and it can be found in the queue-3.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 5ab3633d6907018b0b830a720e877c3884d679c3 Mon Sep 17 00:00:00 2001
From: Hunt Xu <[email protected]>
Date: Sun, 1 Jul 2012 03:45:07 +0000
Subject: drm/i915: make rc6 in sysfs functions conditional
From: Hunt Xu <[email protected]>
commit 5ab3633d6907018b0b830a720e877c3884d679c3 upstream.
Commit 0136db586c028f71e7cc21cc183064ff0d5919c8 merges rc6 information
into the power group. However, when compiled with CONFIG_PM not set,
modprobing i915 would taint since power_group_name is defined as NULL.
This patch makes these rc6 in sysfs functions conditional upon the
definition of the CONFIG_PM macro to avoid the above-mentioned problem.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45181
Tested-by: Kris Karas <[email protected]>
Signed-off-by: Hunt Xu <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/i915/i915_sysfs.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -31,6 +31,7 @@
#include <linux/sysfs.h>
#include "i915_drv.h"
+#ifdef CONFIG_PM
static u32 calc_residency(struct drm_device *dev, const u32 reg)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -109,3 +110,14 @@ void i915_teardown_sysfs(struct drm_devi
{
sysfs_unmerge_group(&dev->primary->kdev.kobj, &rc6_attr_group);
}
+#else
+void i915_setup_sysfs(struct drm_device *dev)
+{
+ return;
+}
+
+void i915_teardown_sysfs(struct drm_device *dev)
+{
+ return;
+}
+#endif /* CONFIG_PM */
Patches currently in stable-queue which might be from [email protected] are
queue-3.5/drm-i915-make-rc6-in-sysfs-functions-conditional.patch
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