diff options
| author | Eric Anholt <eric@anholt.net> | 2011-12-22 23:54:59 +0100 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-01-03 18:31:14 +0100 |
| commit | 7ea29b13e5e3e1e61e612349eb0366efdb6457f3 (patch) | |
| tree | c0f6d48c329863c226ddc3380165305cb3c65a1f /drivers/gpu | |
| parent | drm/i915: Set two chicken bits implicated in missed IRQs on Ivybridge. (diff) | |
| download | linux-7ea29b13e5e3e1e61e612349eb0366efdb6457f3.tar.xz linux-7ea29b13e5e3e1e61e612349eb0366efdb6457f3.zip | |
drm/i915: Do the fallback non-IRQ wait in ring throttle, too.
As a workaround for IRQ synchronization issues in the gen7 BLT ring,
we want to turn the two wait functions into polling loops.
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8359dc777041..66e0a555dbcc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3309,6 +3309,10 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file) if (ret == 0 && atomic_read(&dev_priv->mm.wedged)) ret = -EIO; + } else if (wait_for(i915_seqno_passed(ring->get_seqno(ring), + seqno) || + atomic_read(&dev_priv->mm.wedged), 3000)) { + ret = -EBUSY; } } |