Date: Tue, 16 Feb 2021 14:23:26 -0500 From: LuMiWa <lumiwa@dismail.de> To: Pete Wright <pete@nomadlogic.org> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: laptops Message-ID: <20210216142326.4483ce68@dismail.de> In-Reply-To: <ce13790c-cc1b-98ef-68ff-0fc18a5c2f6c@nomadlogic.org> References: <20210216134229.773fde3d@dismail.de> <ce13790c-cc1b-98ef-68ff-0fc18a5c2f6c@nomadlogic.org>
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On Tue, 16 Feb 2021 11:00:47 -0800 Pete Wright <pete@nomadlogic.org> wrote: > > > On 2/16/21 10:42 AM, LuMiWa via freebsd-questions wrote: > > Hi! > > > > I did search FreeBSD Wiki/laptops but I didn't find the answer. I > > like to buy Thinkpad W541 or W550s (prefer W541) but I am not sure > > if will work on FreeBSD. I want it to connect external monitor > > which going through Nvidia graphics card which Optimus driver > > supposed it works on FreeBSD 13. I found that installation works on > > W520 and 530. > I have a different Thinkpad with Optimus graphics - a P43s. It > mostly works, but have been pretty underwhelmed by the hybrid > graphics of Optimus systems. Not just with FreeBSD, but from what I > gather its suboptimal on Linux as well. > > To get it working on FreeBSD there is an open PR* that gets things > working, and I can drive specific apps with the Nvidia GPU (via the > "optirun" binary). But there is a bit of level of effort getting it > to work until we can get this PR over the finish line since I > maintain a branch of the ports tree to just support the diffs in this > PR. > > One other issue I have is with the overall design of the Optimus > design, the GPU is used to offload processing but the display is > still driven by the Intel i915 GPU. Depending on your use-case this > may lead to reduced performance. All in all I am very happy with > this thinkpad, but if I had a choice I would have chosen a system > with dedicated Nvidia or i915 GPU's rather than this hybrid approach. > > > Cheers, > -pete > > *https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192617 > Thank you very much. -- “Two things awe me most, the starry sky above me and the moral law within me.” Immanuel Kant
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