From 955a4b8979fb558e8897f5b358ac77d2d423821d Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 17 May 2017 13:10:07 +0100 Subject: [PATCH] drm/i915: Don't force serialisation on marking up execlists irq posted Since we coordinate with the execlists tasklet using a locked schedule operation that ensures that after we set the engine->irq_posted we always have an invocation of the tasklet, we do not need to use a locked operation to set the engine->irq_posted itself. Signed-off-by: Chris Wilson Reviewed-by: Tvrtko Ursulin Link: http://patchwork.freedesktop.org/patch/msgid/20170517121007.27224-12-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8f1ca6a..d63a2ba 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1360,7 +1360,7 @@ gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift) if (iir & (GT_CONTEXT_SWITCH_INTERRUPT << test_shift)) { if (port_count(&engine->execlist_port[0])) { - set_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted); + __set_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted); tasklet = true; } } -- 2.7.4