On 25 Aug 2014, at 05:03 , Adrian Chadd <adr...@freebsd.org> wrote:
> Author: adrian
> Date: Mon Aug 25 05:03:10 2014
> New Revision: 270516
> URL: http://svnweb.freebsd.org/changeset/base/270516
>
> Log:
> i915 driver - enable opregion handle; program CADL.
>
> add opregion handling for drm2 - which exposes some ACPI video configuration
> pieces that some Lenovo laptop models use to flesh out which video device
> to speak to. This enables the brightness control in ACPI to work these
> models.
>
> The CADL bits are also important - it's used to figure out which ACPI
> events to hook the brightness buttons into. It doesn't yet seem to work
> for me, but it does for the OP.
>
This broke pc98:
@/contrib/dev/acpica/include/platform/acfreebsd.h:75:10: fatal error:
'machine/acpica_machdep.h' file not found
> Tested:
>
> * Lenovo X230 (mine)
> * OP: ASUS UX51VZ
>
> PR: 190186
> Submitted by: Henry Hu <henry.hu...@gmail.com>
> Reviewed by: dumbbell
>
> Modified:
> head/sys/dev/drm2/i915/i915_drv.h
> head/sys/dev/drm2/i915/i915_irq.c
> head/sys/dev/drm2/i915/intel_opregion.c
> …
> Modified: head/sys/dev/drm2/i915/intel_opregion.c
> ==============================================================================
> --- head/sys/dev/drm2/i915/intel_opregion.c Mon Aug 25 03:02:38 2014
> (r270515)
> +++ head/sys/dev/drm2/i915/intel_opregion.c Mon Aug 25 05:03:10 2014
> (r270516)
> @@ -32,6 +32,9 @@ __FBSDID("$FreeBSD$");
> #include <dev/drm2/i915/i915_drm.h>
> #include <dev/drm2/i915/i915_drv.h>
> #include <dev/drm2/i915/intel_drv.h>
> +#include <contrib/dev/acpica/include/acpi.h>
> +#include <contrib/dev/acpica/include/accommon.h>
> +#include <dev/acpica/acpivar.h>
>
> #define PCI_ASLE 0xe4
> #define PCI_ASLS 0xfc
—
Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983
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