Date: Thu, 17 Sep 2015 17:43:02 +0200 From: Nikola Pajkovsky <n.pajkovsky@gmail.com> To: Kris Moore <kris@pcbsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Intel Haswell support - Any updates? Message-ID: <87twqt2gs9.fsf@gooddata.com> In-Reply-To: <55FADB38.7000406@pcbsd.org> (Kris Moore's message of "Thu, 17 Sep 2015 11:24:40 -0400") References: <55FA7324.5010603@icloud.com> <CAASDrV=D6viCDJx9yT5CiNf1ukiz_Rp1k5wqpk92xSyiNQTEqg@mail.gmail.com> <CAPS9%2BSuYq6JqzX=aHNgD=y5SUnBQ4x_Amk-6B0bvKc6kRQ5YVA@mail.gmail.com> <CAASDrVnxZ8MUmgCO-cFRVatUMQS1LHU-4XASSJckzp_FJbvd2w@mail.gmail.com> <09A515F2-44BA-4DF0-9792-D4C56EEB9D7C@FreeBSD.org> <CAASDrVnuVfOsJvNuOsAQaHYRQqFenH%2B3=wNDBO5GR5j2KgxsxQ@mail.gmail.com> <114F22EF-61E3-4D75-84FB-9D6E3FBCB8F3@FreeBSD.org> <20150917131333.GN1247@egr.msu.edu> <CAASDrVnNuh%2BjT-%2BZFTriPELfOB78accBqGmrVUE-MDgDPZoicA@mail.gmail.com> <20150917134809.GA3025@c720-r276659> <55FAD5EF.5030001@pcbsd.org> <20150917171958.046e4b6b.ohartman@zedat.fu-berlin.de> <55FADB38.7000406@pcbsd.org>
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Kris Moore <kris@pcbsd.org> writes: > On 09/17/2015 11:19, O. Hartmann wrote: >> Am Thu, 17 Sep 2015 11:02:07 -0400 >> Kris Moore <kris@pcbsd.org> schrieb: >> >>> On 09/17/2015 09:48, Matthias Apitz wrote: >>>> El d=C3=ADa Thursday, September 17, 2015 a las 10:41:43PM +0900, Lundb= erg, Johannes >>>> escribi=C3=B3: >>>> >>>>> 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 i= t. >>>> I have never ever had such a fast desktop (KDE4) before. I can live fi= ne >>>> 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. >>> >> Running that specific driver on several Lenovo HD4600 driven models give= s me headaches >> and more. This software-framebuffer works - yes, on whatever resolution = you might wish, >> but it consumes CPU time. That said, I recall that the display was jumpy= , slow and >> unresponsive when used under heavy load - not even 3k resolution, but wi= th a moderate >> lowend of 1980x1080. > > Interesting, that's been the opposite of my experience here. Vesa was > much slower / using more CPU time and didn't give me the native > resolution. Switching to scfb made the laptop "usable" for me, at least > until we get a proper Intel driver that does Broadwell. Use memcontrol to set mtrr write-combine for your Vesa. Vesa is lightning fast on T440p on 1920x1200. --=20 Nikola
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