On Mon, May 9, 2011 at 3:50 PM, Thomas Fjellstrom <thomas@xxxxxxxxxxxxx> wrote: > On May 7, 2011, Thomas Fjellstrom wrote: >> I just switched to using HDMI with my media center, and its causing a 30+ >> second delay in the screen turning on, as well as a 7 second delay in the X >> startup when it tries to fetch the EDID information. Basically I don't get >> any picture at all once KMS initializes until after X has been up a few >> seconds. >> >> The odd thing is the monitor seems to think something is going on, since it >> doesn't go to sleep or display its "No Signal" OSD, but just after X starts >> up, it pops up the "Input detected/switched" OSD, and the picture appears. >> >> The bios, grub2 (in both text mode and graphics mode), and the initial >> linux kernel messages all display fine and immediately. Its only once KMS >> and radeondrmfb initializes that there's a problem (at least till X starts >> up). >> >> I've just built with a vanila 2.6.38.4 kernel from the stable git repo, and >> have played with some EDID settings, trying to disable edid where I could >> thinking thats what caused the problem. That doesn't seem to be the case >> though. I also tried playing with the video= kernel option, trying to force >> disable VGA-1, and set a static mode for HDMI-A-1, but if I try, it seems >> to force disable HDMI-A-1 instead of force the mode. >> >> With a DVI-D cable instead, the problem goes away. >> >> Attached are the dmesg and xorg.log files for the latest boot with HDMI (no >> video= parameter, and EDID enabled, most settings at defaults). >> >> What exactly would cause this, and is there a way I can fix it? > > I've been playing around with it more, and got it to not blank the screen > after KMS init, /once/. So far no luck repeating that success. > > I've tried late, and early kms init, and currently have the radeon module and > firmware compiled into the kernel. Boot times at least are fairly decent, about > 8-10s till X starts, but about 25-35s till anything shows up. > > Some strangeness, I have the kernel set to force the hdmi output to on, with a > very specific mode, that X tends to like, the vga port is forced disabled. X is > set to ignore EDID, and also set to that specific mode that it tends to auto > set itself. Regardless X still wants to pause for 7s 2-3 times while > processing EDID info. > > I've attached the new dmesg and xorg logs from the latest attempts. > > Note, this only happens with KMS, with HDMI. disabling KMS, or using DVI makes > the problem go away. Even grub's own graphical mode works fine, its only once > KMS inits that things go bad, and its not till after X is up for a few seconds > that something displays on my screen. > > -- > Thomas Fjellstrom > thomas@xxxxxxxxxxxxx > Please boot with drm.debug=4 and attach dmesg it should be more verbose. You might also want to try booting with radeon.audio=0 Cheers, Jerome _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
