From b8567bafff58cfb9d77145088fd5b8ad2e5cde6b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Date: Thu, 6 Mar 2008 17:35:56 +0100 Subject: Don't call fence::poll during irq if there are no waiters. --- linux-core/i915_fence.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'linux-core/i915_fence.c') diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c index de64a4f2..e403be6a 100644 --- a/linux-core/i915_fence.c +++ b/linux-core/i915_fence.c @@ -162,11 +162,13 @@ static int i915_fence_emit_sequence(struct drm_device *dev, uint32_t class, void i915_fence_handler(struct drm_device *dev) { + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; struct drm_fence_manager *fm = &dev->fm; struct drm_fence_class_manager *fc = &fm->fence_class[0]; write_lock(&fm->lock); - i915_fence_poll(dev, 0, fc->waiting_types); + if (likely(dev_priv->fence_irq_on)) + i915_fence_poll(dev, 0, fc->waiting_types); write_unlock(&fm->lock); } -- cgit v1.2.3