2010/9/7 Marius Gröger <marius.groeger@xxxxxxxxxxxxxx>: > Am 07.09.2010 16:52, wrote Alex Deucher: >> >> 2010/9/7 Marius Gröger<marius.groeger@xxxxxxxxxxxxxx>: >>> >>> Hi All, >>> >>> I'm not able to use interlace modes (r600 KMS from d-r-t, HDMI output, >>> Xorg >>> stack on xorg-edgers, Ubuntu lucid). All interlace modes which are >>> defined >>> in EDID seem to be pruned and don't appear in xrandr. Manually adding a >>> mode >>> using xrandr does work, and the TV set detects the mode, but the image >>> shows >>> horizontal lines. No crash though. >>> >>> Interlace modes did use to work fine in the past, but I don't know when >>> they >>> ceased to function. >>> >>> What is the status of interlace modes on this kind of setup? What more >>> tests >>> or logs would be helpful to analyze the problem? What are other people's >>> experiences with this? >> >> This isn't a driver bug as far as I can tell. At some point the >> Xserver started purging interlaced modes. See this bug: >> https://bugs.freedesktop.org/show_bug.cgi?id=29591 > > Thanks for the pointer. I did look into the xserver sources a bit and while > I'm far from understanding exactly what's going on, it seems like the server > is relying on output->interlaceAllowed and output->doubleScanAllowed. Aren't > these bools in the domain of the display driver (granted, this wouldn't be > the radeon module but the xf86-video-ati driver)? > I guess so. Interlace used to work without those parameters set; I guess the xserver behavior changed in the meantime. I've gone ahead and set them in the driver. > Also, as I wrote, the purging seems to be half-done, since I am able to > manually add an interlaced mode. But since that mode doesn't work properly - > does the radeon module support interlaced modes? Is there a non-X way to > verify this? It did in the past, however, at the moment, I don't have a interlaced capable monitor to test. Can you try again with xf86-video-ati from git master? Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
