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| author | Ben Skeggs <bskeggs@redhat.com> | 2016-01-08 08:56:51 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-01-11 11:15:11 +1000 |
| commit | 39ca4fc966feb45df76c5a9a5ae2cffd1c348f77 (patch) | |
| tree | ccd71191596a590edc98395ba57698bd91000e5e | |
| parent | 443c4f28445579bdf381166b8ad906ed394c8d96 (diff) | |
| download | nouveau-39ca4fc966feb45df76c5a9a5ae2cffd1c348f77.tar.gz | |
kms: take mode_config mutex in connector hotplug path
fdo#93634
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/nouveau_connector.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drm/nouveau/nouveau_connector.c b/drm/nouveau/nouveau_connector.c index 84e63b550..fcebfae5d 100644 --- a/drm/nouveau/nouveau_connector.c +++ b/drm/nouveau/nouveau_connector.c @@ -983,10 +983,13 @@ nouveau_connector_hotplug(struct nvif_notify *notify) NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); + mutex_lock(&drm->dev->mode_config.mutex); if (plugged) drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); else drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + mutex_unlock(&drm->dev->mode_config.mutex); + drm_helper_hpd_irq_event(connector->dev); } |