From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gary Thomas Subject: Re: DSS2: How to test TV and LCD output simulatenously Date: Tue, 02 Jun 2009 10:01:05 -0600 Message-ID: <4A254CC1.3060000@mlbassoc.com> References: <5F744A5A3C131242B81CE5874BD2CFFB34E35EAC@dlee01.ent.ti.com>,<4A251260.7070800@mlbassoc.com> <5F744A5A3C131242B81CE5874BD2CFFB34E35EAF@dlee01.ent.ti.com>,<4A25478F.2040500@mlbassoc.com> <5F744A5A3C131242B81CE5874BD2CFFB34E35EB5@dlee01.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hermes.mlbassoc.com ([76.76.67.137]:3064 "EHLO mail.chez-thomas.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752941AbZFBQBF (ORCPT ); Tue, 2 Jun 2009 12:01:05 -0400 In-Reply-To: <5F744A5A3C131242B81CE5874BD2CFFB34E35EB5@dlee01.ent.ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Venkatesh, Subbu" Cc: "linux-omap@vger.kernel.org" , "Shah, Hardik" , "tomi.valkeinen@nokia.com" Venkatesh, Subbu wrote: > Hello Gary, > I have already emailed the patch, here is the link.. > http://patchwork.kernel.org/patch/24196/ Thanks, I'll give it a try. > ________________________________________ > From: Gary Thomas [gary@mlbassoc.com] > Sent: Tuesday, June 02, 2009 10:38 AM > To: Venkatesh, Subbu > Cc: linux-omap@vger.kernel.org; Shah, Hardik; tomi.valkeinen@nokia.com > Subject: Re: DSS2: How to test TV and LCD output simulatenously > > Venkatesh, Subbu wrote: >> Hi Gary, >> LDP is a development board, I have to work on LDP panel driver and BSP code to support new DSS2, It is ported on linux-omap tree. >> I am still working on testing the features. For camera I might move into V4l2, but I cannot confirm this, I am still working on testing the Framebuffer features. > > How much of this can you share? I'd like to try this on my LDP (Zoom1) > and then get it ported to my own hardware (very similar to Zoom1) > > Thanks > >> ________________________________________ >> From: Gary Thomas [gary@mlbassoc.com] >> Sent: Tuesday, June 02, 2009 6:52 AM >> To: Venkatesh, Subbu >> Cc: linux-omap@vger.kernel.org; Shah, Hardik; tomi.valkeinen@nokia.com >> Subject: Re: DSS2: How to test TV and LCD output simulatenously >> >> Venkatesh, Subbu wrote: >>> Hi, >>> I have DSS2 ported on LDP board, I could manage to get output display on TV and LCD interface individually, also tested some of the features like Rotation and Mirroring, they worked with out any problem. >> What does "DSS2 ported on LDP board" mean? What source tree/branch did you use? >> >>> Now I am trying to get output both on TV and LCD simultaneously, >>> >>> I was not successful with my approach that I tried, like >>> >>> 1. Boot the kernel with the default LCD display >>> 2. Then I enabled ntsc timings for TV, as PAL do not work on it. >>> #echo ntsc > /sys/devices/platform/omapdss/display1/timings >>> 3. Enabled TV >>> # echo 1 > /sys/devices/platform/omapdss/display1/enable >>> and did the common fb test.... >>> But it did not seem to work. >>> Its nice if someone has different working approach or can suggest me where I am going wrong in the above steps. >> Is this stuff documented somewhere? Like the difference >> between DSS1 and DSS2? How the various layers and overlays >> are supposed to work? What about the camera interface? -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------