Re: Intel Haswell support - Any updates?

From: Oliver Pinter <oliver.pinter_at_hardenedbsd.org>
Date: Fri, 18 Sep 2015 09:20:21 +0200
On 9/17/15, Michael Gmelin <grembo_at_freebsd.org> wrote:
>
>
>> On 17 Sep 2015, at 20:23, Russell L. Carter <rcarter_at_pinyon.org> wrote:
>>
>>
>>
>>> On 09/17/15 10:40, Matthias Apitz wrote:
>>> El día Thursday, September 17, 2015 a las 11:02:07AM -0400, Kris Moore
>>> escribió:
>>>
>>>> On 09/17/2015 09:48, Matthias Apitz wrote:
>>>>> El día Thursday, September 17, 2015 a las 10:41:43PM +0900, Lundberg,
>>>>> Johannes escribió:
>>>>>
>>>>>> Same here. I would personally definitely buy new hardware from Intel
>>>>>> if
>>>>>> FreeBSD worked on it (not vesa...)
>>>>>> ...
>>>>> What dow you have against vesa? I run CURRENT on some Acer C720
>>>>> Chromebooks with Haswell chipset in Vesa mode. And you will not note
>>>>> it.
>>>>> I have never ever had such a fast desktop (KDE4) before. I can live
>>>>> fine
>>>>> with Vesa until Haswell suport is there.
>>>>>
>>>>>    matthias
>>>>
>>>> BTW, have you tried the xf86-video-scfb driver? It works much better
>>>> than vesa here. The only catch is you have to be booted UEFI with CSM
>>>> disabled. Using it on my X1 Carbon, gets 3k resolution properly and
>>>> everything. Thanks to Glen Barber for bringing that to my attention.
>>>
>>> The Chromebook Acer C720 does not has UEFI; it runs Coreboot with
>>> SeaBIOS as payload.
>>>
>>> The Xorg runs fine without any xorg.conf file, just detects the video as
>>> Vesa with 1366x768 resolution, the max of the 11" screen of this
>>> netbook.
>>
>> Do you have 802.11n and hibernate working on that c720?  I put linux on
>> mine for that reason.  Although despite immense efforts I can't get
>> the trackpad to be detected.  I tried bringing up 10.2 on it but
>> couldn't get it to boot.  These things are just awesome.  4G memory
>> + i3 + 6hr battery for $240 delivered.
>>
>
> It's all in CURRENT, see http://blog.grem.de/pages/c720.html.
>
> Brightness control is done through graphics/intel-backlight (should work on
> other Intel GPUs as well). Auto-brightness control works as well (using the
> new isl driver).

Wow! Thank you very much for this info!

>
> HDMI works in VESA mode (mirrors the internal display). It suspends but
> won't resume, probably due to video, I was never able to really figure that
> one out. Tried an early version of 915i about half a year ago with limited
> success, will try again at/after EuroBSDCon.
>
> There are a couple of people who helped me testing and most of them seem
> quite happy with the results (no suspend/resume being the only real caveat).
>
> - Michael
>
>> Russell
>>
>>>    matthias
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Received on Fri Sep 18 2015 - 05:20:30 UTC

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