From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre AUBERT Date: Fri, 13 Sep 2013 07:38:34 +0200 Subject: [U-Boot] i.MX6DL/S regression in mx6dl_pins.h In-Reply-To: <523238A0.8080008@boundarydevices.com> References: <523238A0.8080008@boundarydevices.com> Message-ID: <5232A4DA.9010104@staubli.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Eric, Le 12/09/2013 23:56, Eric Nelson a ?crit : > Hi all, > > It seems to be all about displays and mux/pad registers for > me these days. > > I just tracked down an issue related to commit 87d720e0c that > causes improper display on our RGB displays. > > In particular, the pad settings for these two registers lost > their drive-strength value: > > MX6_PAD_DISP0_DAT2__IPU1_DISP0_DAT_2 > MX6_PAD_DISP0_DAT10__IPU1_DISP0_DAT_10 You're right, it was a mistake for these two pads. > > I could make the case that things like pad drive strength > are a board-level tuning function, and belong in board-specific > files, but I think all RGB displays used with i.MX6 need > these values (and they should probably match the 6DQ). > > Let me know if you'd like me to send a patch for this. > > I have some other notes regarding consolidation of 6DQ and > 6DLS that I'll send separately. > > Regards, > > > Eric Best regards Pierre