This is a note to let you know that I've just added the patch titled
drm/radeon: take the mode_config mutex when dealing with hpds (v2)
to the 3.10-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-take-the-mode_config-mutex-when-dealing-with-hpds-v2.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 39fa10f7e21574a70cecf1fed0f9b36535aa68a0 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Fri, 15 May 2015 11:48:52 -0400
Subject: drm/radeon: take the mode_config mutex when dealing with hpds (v2)
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 39fa10f7e21574a70cecf1fed0f9b36535aa68a0 upstream.
Since we are messing with state in the worker.
v2: drop the changes in the mst worker
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_irq_kms.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -73,10 +73,12 @@ static void radeon_hotplug_work_func(str
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
+ mutex_lock(&mode_config->mutex);
if (mode_config->num_connector) {
list_for_each_entry(connector, &mode_config->connector_list, head)
radeon_connector_hotplug(connector);
}
+ mutex_unlock(&mode_config->mutex);
/* Just fire off a uevent and let userspace tell us what to do */
drm_helper_hpd_irq_event(dev);
}
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.10/drm-radeon-take-the-mode_config-mutex-when-dealing-with-hpds-v2.patch
queue-3.10/drm-radeon-don-t-flush-the-gart-tlb-if-rdev-gart.ptr-null.patch
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