Date: Thu, 13 Nov 2014 19:01:46 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Eric McCorkle <eric@metricspace.net> Cc: freebsd-x11@freebsd.org Subject: Re: Optimus and card switching Message-ID: <20141113170146.GX17068@kib.kiev.ua> In-Reply-To: <5464BE4A.6040803@metricspace.net> References: <5464BE4A.6040803@metricspace.net>
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On Thu, Nov 13, 2014 at 09:20:58AM -0500, Eric McCorkle wrote: > Hello, > > I have a laptop with an optimus configuration (haswell i915 + nvidia > k1100m). Unfortunately, haswell i915 support isn't implemented yet, and > the bios doesn't allow one of the cards to be disabled. > > I'm curious as to what it would take to get basic card-switching > functionality working, just enough to allow X to run on the nvidia card > (not looking for a full port of bumblebee or anything). Optimus nvidia chips do not have display pipeline. They can only render into buffers, which are used later by Intel chip.
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