Re: [Dual-LVDS Acer Iconia laptop] i915/DRM issue: one screen stays off [3.2-rc4+]

[Baptiste Jonglez <baptiste@xxxxxxxxxxx>]

On Thu, Dec 08, 2011 at 11:11:22AM +0100, Benjamin Tissoires wrote:
> Hi,
> 
> On Tue, Dec 6, 2011 at 23:31, Baptiste Jonglez <baptiste@xxxxxxxxxxx> wrote:
> > 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@xxxxxxxxxxx> 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.
> 
> mmm, this is weird. We must not have the same bios or device version.
> We need to explicitly set the LCD2 up.

The version of our BIOS is 1.01, dated from 12/23/2010.


Do you think there's any chance these patches will make it to the 3.2
kernel? I guess you want to make sure your second patch works fine
before...

Baptiste
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