On 11/29/2016 02:34 PM, Laurent Pinchart wrote: > Most drivers that use bridges forgot to detach them at cleanup time. > Instead of fixing them one by one, detach the bridge in the core > drm_encoder_cleanup() function. > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com> > --- > drivers/gpu/drm/drm_encoder.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c > index 5c067719164d..9c1f99646e0d 100644 > --- a/drivers/gpu/drm/drm_encoder.c > +++ b/drivers/gpu/drm/drm_encoder.c > @@ -164,6 +164,9 @@ void drm_encoder_cleanup(struct drm_encoder *encoder) > * the indices on the drm_encoder after us in the encoder_list. > */ > > + if (encoder->bridge) > + drm_bridge_detach(encoder->bridge);
This would require the kms driver to still detach the remaining n - 1 bridges in a possible chain. We could probably detach all of them here, or maybe leave detaching of all to the kms driver, and just report a warning here. Archit > + > drm_modeset_lock_all(dev); > drm_mode_object_unregister(dev, &encoder->base); > kfree(encoder->name); > -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project