From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Simmons Date: Thu, 11 Mar 2010 02:24:54 +0000 Subject: Re: [Linux-fbdev-devel] drm_fb_helper: Impossible to change video Message-Id: List-Id: References: <21d7e9970911202027l1d4deec6p5750b8425cd6bb3f@mail.gmail.com> <21d7e9971003022102v232c099r441b0bd843b30313@mail.gmail.com> <21d7e9971003030123q2e5d073dj68a81d612e26dc94@mail.gmail.com> <20100310210458.GB4536@sci.fi> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Michal Suchanek Cc: Linux Fbdev development list , DRI development list , Paulius Zaleckas > > I don't think the CRTC=FB_info makes much sense if the main use > > case is fbcon. fbcon will use a single fb device and so you can't see > > the console on multiple heads anyway which makes the whole thing > > somewhat pointless. And if you're trying to do something more complex > > you will be a lot better off bypassing fbdev altogether. > > >=20 > I guess it's also possible that somebody would want the fbdev/fbcons > cover multiple screens. This is not particularly useful with fbcons > (although curses WMs exist) but might be somewhat useful for graphical > fbdev applications. I really can't see fbcon need that. =20 > Multiple views of the kernel virtual consoles on different heads might > be nice toy but it's probably too hard to be worth trying. And there > are always applications like jfbterm which could be perhaps slightly > adapted to use one of the other devices instead of a vc. It already exist. I guess it is one of those best kept secrets.