[Intel-gfx] [PATCH 2/3] drm/i915: No need to save/restore irq status in intel_breadcrumbs_fake_irq
Tvrtko Ursulin
tursulin at ursulin.net
Mon Mar 6 15:03:20 UTC 2017
From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Timer callback is a known 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 619d99b074c1..b66618e5ff1e 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -110,7 +110,6 @@ 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,
@@ -120,10 +119,10 @@ 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;
--
2.9.3
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