Messages in this thread | | | Date | Tue, 6 Dec 2011 23:31:09 +0100 | From | Baptiste Jonglez <> | Subject | Re: [Dual-LVDS Acer Iconia laptop] i915/DRM issue: one screen stays off [3.2-rc4+] |
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On Tue, Dec 06, 2011 at 11:12:26PM +0100, Benjamin Tissoires wrote: > Hi Baptiste,
Hi,
> On Tue, Dec 6, 2011 at 22:51, Baptiste Jonglez <baptiste@jonglez.org> wrote: > > The second screen works fine with the attached patch. It actually is > > 6 months old but seems to have been lost in the wild... > > You don't have the problem of the second backlight still off? > On our Iconia, we need to trigger a special DMI command to set it up > (SDSS, IIRC).
No, with the patch, it worked out-of-the-box.
I can even control the brightness in `/sys/class/backlight/acpi_video0/brightness' (it affects both displays at the same time though). But even at 0, it's still perfectly readable.
Maybe this a bug that got fixed recently? I've actually tried the 3.1 kernel (and then the 3.2-rc4) because I noticed a lot of commits and improvements in the i915 driver recently.
> > Thanks Benjamin! > > All the credits are from Ajax and somebody else on IRC I don't recall, > really sorry. Thanks to them. > > Cheers, > Benjamin.
Regards, Baptiste
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