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| author | Jerome Glisse <jglisse@redhat.com> | 2013-06-19 14:02:28 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-20 18:45:08 (GMT) |
| commit | 8444d5c69549aa0f0b574cc608742d4669e1cc01 (patch) | |
| tree | 59f7dde4636afd2260815d7d5beda15c0f42f3ab /drivers | |
| parent | c139b1ee4e36374af705660af6172d7477352792 (diff) | |
| download | linux-8444d5c69549aa0f0b574cc608742d4669e1cc01.tar.xz | |
drm/radeon: update lockup tracking when scheduling in empty ring
There might be issue with lockup detection when scheduling on an
empty ring that have been sitting idle for a while. Thus update
the lockup tracking data when scheduling new work in an empty ring.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Tested-by: Andy Lutomirski <luto@amacapital.net>
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index e17faa7..82434018 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -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); |