Date: Mon, 25 Feb 2013 18:19:25 -0800 From: Adrian Chadd <adrian@freebsd.org> To: matt <sendtomatt@gmail.com> Cc: freebsd-acpi@freebsd.org, freebsd-current@freebsd.org Subject: Re: Fixing X220 Video The Right Way Message-ID: <CAJ-Vmo=hRSZ-Nwja0uJRFbT3R1xnvtC%2BnHjMFA9xMz=6Azz1BA@mail.gmail.com> In-Reply-To: <512C159B.3020707@gmail.com> References: <512A6FFF.2060603@gmail.com> <201302251330.57034.jhb@freebsd.org> <512C159B.3020707@gmail.com>
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On 25 February 2013 17:53, matt <sendtomatt@gmail.com> wrote:
> No, just one. I think that the DSDT is very creative on recent Lenovos
> (read: broken). There are multiple video devices defined, with
> "functional" calls that nonetheless don't work to actually do anything.
> The acpi_get_handle() call in acpi_video returns a handle that has no
> active outputs and doesn't have any control over the brightness. The
> other path can control brightness.
>
My T400 has:
vgapci0@pci0:0:2:0: class=0x030000 card=0x20e417aa chip=0x2a428086
rev=0x07 hdr=0x00
vendor = 'Intel Corporation'
device = 'Mobile 4 Series Chipset Integrated Graphics Controller'
class = display
subclass = VGA
vgapci1@pci0:0:2:1: class=0x038000 card=0x20e417aa chip=0x2a438086
rev=0x07 hdr=0x00
vendor = 'Intel Corporation'
device = 'Mobile 4 Series Chipset Integrated Graphics Controller'
class = display
And I get glitches in xorg on 9.1 when I have multiple windows of
different sizes.
Adrian
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