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Commit cdc3a453 authored by Tvrtko Ursulin's avatar Tvrtko Ursulin
Browse files

drm/i915: No need to save/restore irq status in intel_engine_wakeup 



It is called from either the process or timer context so it is
correct to always disable interrupts.

Signed-off-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170306150321.29024-1-tvrtko.ursulin@linux.intel.com
parent a9e64931

drivers/gpu/drm/i915/intel_breadcrumbs.c

+2 −3
Original line number Diff line number Diff line
@@ -46,12 +46,11 @@ static unsigned int __intel_breadcrumbs_wakeup(struct intel_breadcrumbs *b) 
unsigned int intel_engine_wakeup(struct intel_engine_cs *engine)

{

	struct intel_breadcrumbs *b = &engine->breadcrumbs;

	unsigned long flags;

	unsigned int result;



	spin_lock_irqsave(&b->irq_lock, flags);

	spin_lock_irq(&b->irq_lock);

	result = __intel_breadcrumbs_wakeup(b);

	spin_unlock_irqrestore(&b->irq_lock, flags);

	spin_unlock_irq(&b->irq_lock);



	return result;

}