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@xxxxxxxxxxxxxxxx> --- 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);
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