Instead of detaching only the bridge directly connected to the encoder, detach all bridges in the chain.
Signed-off-by: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com --- drivers/gpu/drm/drm_encoder.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_encoder.c b/drivers/gpu/drm/drm_encoder.c index 0944f08abf58..5dde3c6b1467 100644 --- a/drivers/gpu/drm/drm_encoder.c +++ b/drivers/gpu/drm/drm_encoder.c @@ -159,8 +159,16 @@ 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); + if (encoder->bridge) { + struct drm_bridge *bridge = encoder->bridge; + struct drm_bridge *next; + + while (bridge) { + next = bridge->next; + drm_bridge_detach(bridge); + bridge = next; + } + }
drm_mode_object_unregister(dev, &encoder->base); kfree(encoder->name);