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drm/i915: Add -EIO to the list of known errors for __wait_seqno 

This prevents a WARN introduced with

  commit de2b998552
  Author: Daniel Vetter <daniel.vetter@ffwll.ch>
  Date:   Wed Jul 4 22:52:50 2012 +0200

      drm/i915: don't return a spurious -EIO from intel_ring_begin

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-07-16 13:05:34 +01:00 committed by Daniel Vetter
parent d3373a241b
commit eeef9b3874
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/i915_gem.c
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@ -2003,6 +2003,7 @@ static int __wait_seqno(struct intel_ring_buffer *ring, u32 seqno,
}
switch (end) {
case -EIO:
case -EAGAIN: /* Wedged */
case -ERESTARTSYS: /* Signal */
return (int)end;