From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail11.tpgi.com.au ([203.12.160.161]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Pextx-00047R-OG for barebox@lists.infradead.org; Mon, 17 Jan 2011 22:50:20 +0000 From: Marc Reilly Date: Tue, 18 Jan 2011 09:49:35 +1100 References: <1295259766-19301-1-git-send-email-s.hauer@pengutronix.de> <1295259766-19301-4-git-send-email-s.hauer@pengutronix.de> <201101171159.31154.jbe@pengutronix.de> In-Reply-To: <201101171159.31154.jbe@pengutronix.de> MIME-Version: 1.0 Message-Id: <201101180949.35371.marc@cpdesign.com.au> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 3/4] ARM i.MX28 tx28: use a fixed framebuffer address To: barebox@lists.infradead.org > > static struct imx_fb_videomode imxfb_mode = { > > > > .mode_list = tx28evk_vmodes, > > .mode_cnt = ARRAY_SIZE(tx28evk_vmodes), > > .dotclk_delay = 0, /* no adaption required */ > > .ld_intf_width = STMLCDIF_24BIT, /* full 24 bit */ > > > > + .fixed_screen = (void *)(0x40000000 + SZ_128M - MAX_FB_SIZE), > > + .fixed_screen_size = MAX_FB_SIZE, > > > > }; > > Question only: Any idea how we could make this setup (base address and size > of the fixed screen) a runtime feature? This would be a nice feature like > most modern BIOS also have: Make the size of the video memory shared with > the CPU selectable at runtime. > Purely out of interest, what is the advantage/necessity for having the frame buffer at a fixed address? Cheers Marc _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox