This is a note to let you know that I've just added the patch titled
radeon/pm: Guard access to rdev->pm.power_state array
to the 3.4-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:
radeon-pm-guard-access-to-rdev-pm.power_state-array.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 370169516e736edad3b3c5aa49858058f8b55195 Mon Sep 17 00:00:00 2001
From: Michel Dänzer <[email protected]>
Date: Wed, 8 Jan 2014 11:40:20 +0900
Subject: radeon/pm: Guard access to rdev->pm.power_state array
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Michel Dänzer <[email protected]>
commit 370169516e736edad3b3c5aa49858058f8b55195 upstream.
It's never allocated on systems without an ATOMBIOS or COMBIOS ROM.
Should fix an oops I encountered while resetting the GPU after a lockup
on my PowerBook with an RV350.
Signed-off-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon_pm.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -587,8 +587,10 @@ void radeon_pm_resume(struct radeon_devi
rdev->pm.current_clock_mode_index = 0;
rdev->pm.current_sclk = rdev->pm.default_sclk;
rdev->pm.current_mclk = rdev->pm.default_mclk;
- rdev->pm.current_vddc =
rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
- rdev->pm.current_vddci =
rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci;
+ if (rdev->pm.power_state) {
+ rdev->pm.current_vddc =
rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+ rdev->pm.current_vddci =
rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci;
+ }
if (rdev->pm.pm_method == PM_METHOD_DYNPM
&& rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) {
rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/radeon-pm-guard-access-to-rdev-pm.power_state-array.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
