diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_breadcrumbs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 447c5256f63a..4ed7105d7ff5 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -166,12 +166,6 @@ static void irq_enable(struct intel_engine_cs *engine) */ GEM_BUG_ON(!intel_irqs_enabled(engine->i915)); - /* Enabling the IRQ may miss the generation of the interrupt, but - * we still need to force the barrier before reading the seqno, - * just in case. - */ - set_bit(ENGINE_IRQ_BREADCRUMB, &engine->irq_posted); - /* Caller disables interrupts */ if (engine->irq_enable) { spin_lock(&engine->i915->irq_lock); @@ -683,16 +677,6 @@ static int intel_breadcrumbs_signaler(void *arg) } if (unlikely(do_schedule)) { - /* Before we sleep, check for a missed seqno */ - if (current->state & TASK_NORMAL && - !list_empty(&b->signals) && - engine->irq_seqno_barrier && - test_and_clear_bit(ENGINE_IRQ_BREADCRUMB, - &engine->irq_posted)) { - engine->irq_seqno_barrier(engine); - intel_engine_wakeup(engine); - } - sleep: if (kthread_should_park()) kthread_parkme(); @@ -859,16 +843,6 @@ void intel_engine_reset_breadcrumbs(struct intel_engine_cs *engine) else irq_disable(engine); - /* - * We set the IRQ_BREADCRUMB bit when we enable the irq presuming the - * GPU is active and may have already executed the MI_USER_INTERRUPT - * before the CPU is ready to receive. However, the engine is currently - * idle (we haven't started it yet), there is no possibility for a - * missed interrupt as we enabled the irq and so we can clear the - * immediate wakeup (until a real interrupt arrives for the waiter). - */ - clear_bit(ENGINE_IRQ_BREADCRUMB, &engine->irq_posted); - spin_unlock_irqrestore(&b->irq_lock, flags); } |