From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Date: Wed, 13 Nov 2013 10:24:51 +0000 Subject: Re: rcar-h2 du issue between du0 and du2 Message-Id: <52835373.8000907@codethink.co.uk> List-Id: References: <52825196.1090102@codethink.co.uk> In-Reply-To: <52825196.1090102@codethink.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On 13/11/13 02:44, Laurent Pinchart wrote: > Hi Ben, > > On Tuesday 12 November 2013 16:04:38 Ben Dooks wrote: >> I am using the 3.4 renesas backport (0.5.1) and having issue with the >> rcar_du driver with any du0 and du2 having seperate operating modes. >> >> du2 seems to be picking up the data width of du0, so if du0 is at >> 1920x1080 and du2 at 800x600, du2 will show a display as if du2 data >> was at a 1920 stride. >> >> If both du0 and du2 are at 800x600 then both show the right display >> data, > > Ouch. Thank you for the report. I'll test and debug that. What's the urgency > level ? Medium, there's other stuff that I can be getting on with. I've been looking through the H2 manual but there's nothing specifically saying the DU0 and DU2 planes should be linked. I know DU0_0 and DU0_1 are basically linked. We are using the Lager board as following: We have DU0 outputting LVDS to the ADV7511 to provide DVI DU2 is connected to the DPAD0 to the VGA DU0 is configured for 1920x1080-60, 32bpp DU2 is configured for 800x600-60, 32bpp DU2 has been verified as outputting 800x600-60 display timings. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius