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| author | Maarten Lankhorst <m.b.lankhorst@gmail.com> | 2013-06-27 13:48:19 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-06-28 12:04:01 +1000 |
| commit | 5e338405119a80aa59e811626739122d1c15045d (patch) | |
| tree | 3474b9ab52408c78480a92a9d0c33626c61d7473 /drivers/gpu/drm/nouveau/nouveau_gem.c | |
| parent | b580c9e2b7ba5030a795aa2fb73b796523d65a78 (diff) | |
| download | linux-5e338405119a80aa59e811626739122d1c15045d.tar.gz linux-5e338405119a80aa59e811626739122d1c15045d.tar.bz2 linux-5e338405119a80aa59e811626739122d1c15045d.zip | |
drm/ttm: convert to the reservation api
Now that the code is compatible in semantics, flip the switch.
Use ww_mutex instead of the homegrown implementation.
ww_mutex uses -EDEADLK to signal that the caller has to back off,
and -EALREADY to indicate this buffer is already held by the caller.
ttm used -EAGAIN and -EDEADLK for those, respectively. So some changes
were needed to handle this correctly.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index e35d4688711c..2b2077d1e2f7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -368,7 +368,7 @@ retry: ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket); if (ret) { validate_fini_no_ticket(op, NULL); - if (unlikely(ret == -EAGAIN)) { + if (unlikely(ret == -EDEADLK)) { ret = ttm_bo_reserve_slowpath(&nvbo->bo, true, &op->ticket); if (!ret) |