On Wed, Oct 26, 2016 at 04:35:50PM +0300, Ville Syrjälä wrote: > On Wed, Oct 26, 2016 at 04:30:33PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote: > > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > > The i2c adapter is only relevant for some peer device types, so > > let's clear the pdt if it's still the same as the old_pdt when we > > tear down the i2c adapter. > > > > I don't really like this design pattern of updating port->whatever > > before doing the accompanying changes and passing around old_whatever > > to figure stuff out. Would make much more sense to me to the pass the > > new value around and only update the port->whatever when things are > > consistent. But let's try to work with what we have right now. > > > > v2: Clear port->pdt in the caller, if needed (Daniel) > > > > Cc: Daniel Vetter <daniel@xxxxxxxx> > > Cc: stable@xxxxxxxxxxxxxxx > > Cc: Carlos Santa <carlos.santa@xxxxxxxxx> > > Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> > > Tested-by: Carlos Santa <carlos.santa@xxxxxxxxx> (v1) > > Tested-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> (v1) > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97666 > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/drm_dp_mst_topology.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c > > index 04e457117980..ba13f9d8720b 100644 > > --- a/drivers/gpu/drm/drm_dp_mst_topology.c > > +++ b/drivers/gpu/drm/drm_dp_mst_topology.c > > @@ -914,6 +914,7 @@ static void drm_dp_destroy_port(struct kref *kref) > > /* no need to clean up vcpi > > * as if we have no connector we never setup a vcpi */ > > drm_dp_port_teardown_pdt(port, port->pdt); > > + port->pdt = DP_PEER_DEVICE_NONE; > > And naturally I forgot to amend the commit message w.r.t. this guy. > We don't really need to do this here, but I figured I'd try to be a > bit more consistent by having it, just to avoid accidental mistakes > if/when someone changes this stuff again later. With the commit message amended like you say here: Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > > } > > kfree(port); > > } > > @@ -2919,6 +2920,7 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) > > mgr->cbs->destroy_connector(mgr, port->connector); > > > > drm_dp_port_teardown_pdt(port, port->pdt); > > + port->pdt = DP_PEER_DEVICE_NONE; > > > > if (!port->input && port->vcpi.vcpi > 0) { > > drm_dp_mst_reset_vcpi_slots(mgr, port); > > -- > > 2.7.4 > > > > _______________________________________________ > > dri-devel mailing list > > dri-devel@xxxxxxxxxxxxxxxxxxxxx > > https://lists.freedesktop.org/mailman/listinfo/dri-devel > > -- > Ville Syrjälä > Intel OTC > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
