| commit | 9eb1e57f564d4e6e10991402726cc83fe0b9172f | [log] [tgz] |
|---|---|---|
| author | Dave Airlie <airlied@redhat.com> | Mon Jun 22 14:40:44 2015 +1000 |
| committer | Dave Airlie <airlied@redhat.com> | Tue Jun 23 10:32:12 2015 +1000 |
| tree | abe327d3a99e89347d22bcc5c61958fd915f70f2 | |
| parent | 9254ec496a1dbdddeab50021a8138dc627a8166a [diff] |
drm/dp/mst: take lock around looking up the branch device on hpd irq If we are doing an MST transaction and we've gotten HPD and we lookup the device from the incoming msg, we should take the mgr lock around it, so that mst_primary and mstb->ports are valid. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>