Commit 35c94185 authored Apr 07, 2015 by Chris Wilson Committed by Daniel Vetter Apr 10, 2015

drm/i915: Free batch pool when idle



At runtime, this helps ensure that the batch pools are kept trim and
fast. Then at suspend, this releases memory that we do not need to
restore. It also ties into the oom-notifier to ensure that we recover as
much kernel memory as possible during OOM.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 06fbca71

drivers/gpu/drm/i915/i915_gem.c

+12 −1

Original line number	Diff line number	Diff line
		@@ -2795,8 +2795,19 @@ i915_gem_idle_work_handler(struct work_struct *work)
		{
		struct drm_i915_private *dev_priv =
		container_of(work, typeof(*dev_priv), mm.idle_work.work);
		struct drm_device *dev = dev_priv->dev;

		intel_mark_idle(dev);

		if (mutex_trylock(&dev->struct_mutex)) {
		struct intel_engine_cs *ring;
		int i;

		for_each_ring(ring, dev_priv, i)
		i915_gem_batch_pool_fini(&ring->batch_pool);

		intel_mark_idle(dev_priv->dev);
		mutex_unlock(&dev->struct_mutex);
		}
		}

		/**