Re: [PATCH] acpi/video: Add Lenovo IdeaPad Yoga 13 to acpi videodetect blacklist
From: Matthew Garrett
Date: Mon Oct 14 2013 - 11:48:38 EST
On Mon, 2013-10-14 at 17:36 +0200, Lennart Poettering wrote:
> Sorry, still not getting this. How should this ever work if the intel
> video driver is compiled as kmod? That means that it isn't clear at all
> when the kmod is going to be loaded or if it is loaded at all, you
> cannot delay the registration of the acpi backlight that long, since the
> time you'd have to wait is basically unbounded...
See the intel_opregion_present() code in drivers/acpi/video.c. The ACPI
driver won't bind to Intel hardware until i915 indicates that it should
do so.
--
Matthew Garrett <matthew.garrett@xxxxxxxxxx>
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