Re: [PATCH] backlight: Avoid double fbcon backlight handling

On Thu, 30 Jun 2016, Chris Wilson wrote:

Backlights controlled by i915.ko and only associated with its connectors and also only associated with the intel_drmfb fbcon, controlled by i915.ko. In this situation, we already handle adjusting the backlight when the fbcon is blanked/unblanked and do not require backlight trying to do the same.

Attempting to register with the fbdev as a client causes lockdep to warn about a dependency cycle:

[ ... snip ... ]

drivers/hid/hid-picolcd_backlight.c | 3 ++-

For this one:

Acked-by: Jiri Kosina jkosina@suse.cz