[Intel-gfx] [PATCH 3/3] drm/i915: No need to save/restore irq status in intel_engine_wakeup
Tvrtko Ursulin
tursulin at ursulin.net
Mon Mar 6 15:03:21 UTC 2017
From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
It is called from either the process or timer context so it is
correct to always disable interrupts.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_breadcrumbs.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index b66618e5ff1e..2a1ed6d7ad4d 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -47,12 +47,11 @@ 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;
}
--
2.9.3
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