Hi, On Tue, 2009-06-02 at 13:52 +0200, ext Gary Thomas wrote: > 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? He was using my DSS2 tree from http://www.bat.org/~tomba/git/linux-omap-dss.git (or some older version of it). > > > 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? It's documented in DSS2 documentation, Documentation/arm/OMAP/DSS. Of course knowledge of OMAP's display subsystem is required, and that information can be found from the OMAP TRM. I have no idea about the camera, it has nothing to do with DSS. Tomi -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html