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Merge branch 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 

One user visible fix to stop misreport GPU hangs and subsequent resets.
* 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: update lockup tracking when scheduling in empty ring
This commit is contained in:
Dave Airlie 2013-06-21 08:52:19 +10:00
parent 784a4d5539 8444d5c695
commit 9aa36876dd
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/radeon/radeon_ring.c
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@ -402,6 +402,13 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi
return -ENOMEM;
/* Align requested size with padding so unlock_commit can
* pad safely */
radeon_ring_free_size(rdev, ring);
if (ring->ring_free_dw == (ring->ring_size / 4)) {
/* This is an empty ring update lockup info to avoid
* false positive.
*/
radeon_ring_lockup_update(ring);
}
ndw = (ndw + ring->align_mask) & ~ring->align_mask;
while (ndw > (ring->ring_free_dw - 1)) {
radeon_ring_free_size(rdev, ring);