From: Daniel Vetter Date: Mon, 15 Sep 2014 09:38:57 +0000 (+0200) Subject: drm/i915: Fix irq checks in ring->irq_get/put functions X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7cd512f1520f85bf8e45f75b82fece58f0265cec;p=linux-beck.git drm/i915: Fix irq checks in ring->irq_get/put functions Yet another place that wasn't properly transformed when implementing SOix. While at it convert the checks to WARN_ON on gen5+ (since we don't have UMS potentially doing stupid things on those platforms). And also add the corresponding checks to the put functions (again with a WARN_ON) for gen5+. v2: Drop the WARNINGS in the irq_put functions (including the existing one for vebox), Chris convinced me that they're not that terribly useful. v3: Don't forget about execlist code. Cc: Imre Deak Cc: Jesse Barnes Cc: "Volkin, Bradley D" Cc: Chris Wilson Reviewed-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index bafd38b5703e..803fc38664c4 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1063,7 +1063,7 @@ static bool gen8_logical_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (WARN_ON(!intel_irqs_enabled(dev_priv))) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 25795f2efdcb..922d6bc1a1b3 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1197,7 +1197,7 @@ gen5_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (WARN_ON(!intel_irqs_enabled(dev_priv))) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); @@ -1228,7 +1228,7 @@ i9xx_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (!intel_irqs_enabled(dev_priv)) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); @@ -1265,7 +1265,7 @@ i8xx_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (!intel_irqs_enabled(dev_priv)) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); @@ -1399,8 +1399,8 @@ gen6_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) - return false; + if (WARN_ON(!intel_irqs_enabled(dev_priv))) + return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); if (ring->irq_refcount++ == 0) { @@ -1442,7 +1442,7 @@ hsw_vebox_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (WARN_ON(!intel_irqs_enabled(dev_priv))) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags); @@ -1462,9 +1462,6 @@ hsw_vebox_put_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) - return; - spin_lock_irqsave(&dev_priv->irq_lock, flags); if (--ring->irq_refcount == 0) { I915_WRITE_IMR(ring, ~0); @@ -1480,7 +1477,7 @@ gen8_ring_get_irq(struct intel_engine_cs *ring) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; - if (!dev->irq_enabled) + if (WARN_ON(!intel_irqs_enabled(dev_priv))) return false; spin_lock_irqsave(&dev_priv->irq_lock, flags);