From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Simmons Date: Thu, 11 Mar 2010 03:41:19 +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> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Michal Suchanek Cc: linux-fbdev-devel@lists.sourceforge.net, dri-devel@lists.sourceforge.net, Dave Airlie , Paulius Zaleckas > > Yuck. See my other post about what fbdev really means in its historical > > context. The struct fb_info really maps better to drm_crtc than to > > drm_framebuffer. In fact take the case of the matrox fbdev driver. It > > creates two framebuffer devices even tho it used one static framebuffer. > > What the driver does is splits the framebuffer in two and assigned each > > part to a CRTC. > > > > So you get the layering naturally. On fbset - fbev layer you can > choose from the resolutions available in the current output setup, in > kmset or whatever - drm layer you can set up the outputs, merge > multiple outputs into single cloned fbdev or separate them, .. > > It's obviously nice if you can set the resolution on all of fbcons, > fbdev and drm layers but getting it work on at least one layer with > proper propagation up and down also works. BTW I don't know any > application which sets linux console (or xterm for that matter) > resolution through the terminal API. I agree. The mode setting should be done in one layer. Its a matter of doing the proper emulation of the fbdev layer. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Linux-fbdev-devel mailing list Linux-fbdev-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel