[Description from: Daniel Vetter]
I've just discussed this quickly with Chris on irc and it's probably
best to just kill the list_empty early bailout. gpu_idle isn't a
fastpath, so who cares. One candidate where we emit commands to the ring
without adding anything onto these lists is e.g. pageflip. There are
probably more.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f0f885f..a925141 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2191,14 +2191,8 @@ int
i915_gpu_idle(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- bool lists_empty;
int ret, i;
- lists_empty = (list_empty(&dev_priv->mm.flushing_list) &&
- list_empty(&dev_priv->mm.active_list));
- if (lists_empty)
- return 0;
-
/* Flush everything onto the inactive list. */
for (i = 0; i < I915_NUM_RINGS; i++) {
ret = i915_ring_idle(&dev_priv->ring[i]);
--
1.7.7
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