On Thursday 28 October 2010 05:45:30 pm Alberto Navatta wrote: > Hi, > > > > We're experiencing a strange behavior on our DM6446 board with a WVGA LCD > digital display (display max resolution is 800 x 480 pixels): > > . VID0 and VID1 windows work fine, we can successfully achieve the > 800 x 480 resolution > > . OSD0 doesn't work properly: we're able to see only 712 pixels of > the 800 available, the last column visible is column 712 and it is > positioned at the end of the visible area on the display and columns from > 712 to 800 are not visible (it looks like if this window is stretched > horizzontally) > > > > We're not able to identify any possible source of the problem: > > . We expect the VPBE is correctly configured to support our LCD > display (Output in RGB888, Syncs, LCD_OE, VCLK and other signals seems to > be good as seen outside the Davinci) > > . As said the VID0 and VID1 windows are correctly displayed on the > screen (if there was a misconfiguration of the Video Encoder we had to see > the problem on all the windows) > > . If we switch the resolution to use the display at a standard VGA > resolution (e.g. by changing HSTART, HVALID, HSPLS, HSDLY, etc. to see the > display as a standard 640 x 480 pixel display), we still have the same > behavior: VID0 and VID1 are ok, OSD0 displays less than 640 columns > horizontally and the OSD0 window is stretched to cover the whole visible > display area > > > > Does anyone has experienced a similar problem or has an idea of what we're > doing wrong/what could lead to this behavior? > > Regards, >
Hi, FYI, we're using WVGA display with DM6446 as well and we don't see any problem with 2.6.32 Arago kernel. Regards, Caglar > Alberto Navatta > _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
