From: Tom Rini Date: Sun, 10 May 2015 10:08:09 -0400 Subject: [U-Boot] [U-Boot,3/5] board/BuR/tseries: Add simplefb support In-Reply-To: <1429879779-23570-3-git-send-email-oe5hpm@oevsv.at> References: <1429879779-23570-3-git-send-email-oe5hpm@oevsv.at> Message-ID: <20150510140809.GI5267@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Fri, Apr 24, 2015 at 02:49:37PM +0200, Hannes Petermaier wrote: > Since the used AM3352 SoC doesn't have GPU it isn't allways necessary to build > in complete drm-stuff into linux kernel. In very small applications only we use > the simple-framebuffer. > > So we have 2 use-cases: > - device operating on drm-driver (let simplefb node disabled) > - device operating on simplefb-driver (activate simplefb node and reserve mem) > > The decision is made by means of "simplefb" environment variable. > > simplefb = 0 > we don't enable the (maybe) existing simplefb node and all the rest around > display is up to the linux-kernel. We just disable the backlight, beceause we > do not want see the flicker during take over of drm-driver. > > simplefb = 1 > we enable the (maybe) existing simplefb node and reserve framebuffers size > in memory. > > Signed-off-by: Hannes Petermaier Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: