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| author | Ben Skeggs <bskeggs@redhat.com> | 2016-12-13 09:29:55 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-12-13 10:26:30 +1000 |
| commit | 159925805ff47bcd3ede2f0d349a323ff4202c85 (patch) | |
| tree | a92119509f90315b23a493c626b708f90170d9e7 | |
| parent | 60f322a71b2a2e5a80a49c32523d7ea6ce5a25f4 (diff) | |
| download | nouveau-159925805ff47bcd3ede2f0d349a323ff4202c85.tar.gz | |
ltc: protect clearing of comptags with mutex
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/nvkm/subdev/ltc/base.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/subdev/ltc/base.c b/drm/nouveau/nvkm/subdev/ltc/base.c index 39c2a38e5..0c7ef250d 100644 --- a/drm/nouveau/nvkm/subdev/ltc/base.c +++ b/drm/nouveau/nvkm/subdev/ltc/base.c @@ -47,8 +47,10 @@ nvkm_ltc_tags_clear(struct nvkm_ltc *ltc, u32 first, u32 count) BUG_ON((first > limit) || (limit >= ltc->num_tags)); + mutex_lock(<c->subdev.mutex); ltc->func->cbc_clear(ltc, first, limit); ltc->func->cbc_wait(ltc); + mutex_unlock(<c->subdev.mutex); } int |