> -----Original Message----- > From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > owner@xxxxxxxxxxxxxxx] On Behalf Of Tomi Valkeinen > Sent: Thursday, November 26, 2009 7:50 PM > To: ext Eino-Ville Talvala > Cc: linux-omap@xxxxxxxxxxxxxxx > Subject: Re: Problems using DSS2 on OMAP3 EVM / Angstrom with > rotation > > Hi, > > On Wed, 2009-11-25 at 01:14 +0100, ext Eino-Ville Talvala wrote: > > Hi, > > > > I'm trying to get Xorg running on an Angstrom distro image on the > OMAP3 > > EVM, with a rotated framebuffer. The default screen orientation > on the > > EVM is portrait, and I'm trying to change this to landscape. > Without > > any tweaking, using a kernel with your latest v5 DSS patches added > on > > top (and Vaibhav's OMAP3 EVM DSS patches), DSS works and Angstrom > > happily displays both its initial bootup screen, and then the X > server > > starts successfully. > > > > Using the omapfb.rotate=1 kernel command-line option, the initial > bootup > > screen still works, but as soon as the X server tries to start up, > I get > > the following error on the console: > > > > Starting GPE display manager: gpe-dm > > omapdss MANAGER error: dispc_setup_plane failed for ovl 0 > > omapdss MANAGER error: configure_overlay 0 failed > > It sounds to me that gpe-dm (or something running after that) is > trying > to configure the overlay to 480x640 mode, and failing. If the > initial [Hiremath, Vaibhav] I think this is the issue, I have seen many peoples doing same mistakes, and it ends up to the application, which doesn't care about rotation and tries to set 480x640 in all rotation angles. > bootup screen (I believe this is drawn from the linux side, not boot > loader?) is fine, it hints that the problem is in the X server or > some > other user space component. > > > My kernel bootargs are: > > mem=128M console=ttyS0,115200n8 noinitrd rw root=/dev/mmcblk0p2 > > rootfstype=ext2 rootdelay=1 nohz=off omapfb.rotate=1 omapfb.vrfb=y > > omapfb.debug=y omapdss.debug=y > > > > Without vrfb=y, the initial boot screen won't show up, with a > console > > message of 'omapdss DISPC error: GFX_FIFO_UNDERFLOW, disabling > GFX', and > > the same error for Xorg. > > In practice you always have to use VRFB rotation on OMAP3, so no > point > in trying without. > > > I'd appreciate any advice you could give me - doing this (in > theory > > simple) screen orientation change is really stumping me. > > It sounds to me that the DSS and omapfb is working fine. I also > tried > booting SDP board with similar boot arguments, and it's working fine > (although I'm not running X). [Hiremath, Vaibhav] Just to add, same bootargs has been tested thoroughly on OMAP3EVM and it is working fine for me. Thanks, Vaibhav > > Perhaps there's some application that checks the display dimensions, > which are 480x640, and tries to use those regardless of the > rotation. > > 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 -- 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
