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drm/i915: Fixup for 'Hold mode_config->mutex during hotplug'

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drm_helper_hpd_irq_event queues another work proc to go and deliver
the user-space event, and that function also wants to hold the config
mutex, so we shouldn't hold the mutex across the
drm_helper_hpd_irq_event call.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2011-07-28 15:31:19 -07:00
parent e85194641b
commit 40ee3381dd
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_irq.c
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@ -313,10 +313,10 @@ static void i915_hotplug_work_func(struct work_struct *work)
if (encoder->hot_plug) if (encoder->hot_plug)
encoder->hot_plug(encoder); encoder->hot_plug(encoder);
mutex_unlock(&mode_config->mutex);
/* Just fire off a uevent and let userspace tell us what to do */ /* Just fire off a uevent and let userspace tell us what to do */
drm_helper_hpd_irq_event(dev); drm_helper_hpd_irq_event(dev);
mutex_unlock(&mode_config->mutex);
} }
static void i915_handle_rps_change(struct drm_device *dev) static void i915_handle_rps_change(struct drm_device *dev)