Commit 24955f24 authored by Daniel Vetter's avatar Daniel Vetter

drm/i915: Clarify mmio_flip_lock locking

The ->queue_flip callback is always called from process context, so
plain _irq spinlock variants are enough.
Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent d2e40e27
......@@ -9792,7 +9792,6 @@ static int intel_queue_mmio_flip(struct drm_device *dev,
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
unsigned long irq_flags;
int ret;
if (WARN_ON(intel_crtc->mmio_flip.seqno))
......@@ -9806,10 +9805,10 @@ static int intel_queue_mmio_flip(struct drm_device *dev,
return 0;
}
spin_lock_irqsave(&dev_priv->mmio_flip_lock, irq_flags);
spin_lock_irq(&dev_priv->mmio_flip_lock);
intel_crtc->mmio_flip.seqno = obj->last_write_seqno;
intel_crtc->mmio_flip.ring_id = obj->ring->id;
spin_unlock_irqrestore(&dev_priv->mmio_flip_lock, irq_flags);
spin_unlock_irq(&dev_priv->mmio_flip_lock);
/*
* Double check to catch cases where irq fired before
......
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