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

Timer callback is a known context so it is correct to always
disable interrupts.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Tvrtko Ursulin 2017-03-06 15:03:20 +00:00
parent 2c33b5410d
commit a9e64931ee
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/i915/intel_breadcrumbs.c
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@ -109,7 +109,6 @@ static void intel_breadcrumbs_fake_irq(unsigned long data)
{
struct intel_engine_cs *engine = (struct intel_engine_cs *)data;
struct intel_breadcrumbs *b = &engine->breadcrumbs;
unsigned long flags;
/*
* The timer persists in case we cannot enable interrupts,
@ -119,10 +118,10 @@ static void intel_breadcrumbs_fake_irq(unsigned long data)
* coherent seqno check.
*/
spin_lock_irqsave(&b->irq_lock, flags);
spin_lock_irq(&b->irq_lock);
if (!__intel_breadcrumbs_wakeup(b))
__intel_engine_disarm_breadcrumbs(engine);
spin_unlock_irqrestore(&b->irq_lock, flags);
spin_unlock_irq(&b->irq_lock);
if (!b->irq_armed)
return;