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Thread: Monitor doesn't power off with KMS

  1. #1
    Join Date
    Nov 2008
    Posts
    6

    Default Monitor doesn't power off with KMS

    Hello!

    My hardware is Radeon 4830, DVI-HDMI cable, HannsG HG281DJ monitor.
    Ubuntu 9.10, 2.6.33 kernel, xorg-edgers.
    When I type in consol "xset dpms force off" or suspend/shutdown the machine in a screen stay the "no signal input check video cable" message.
    Without KMS the message disappear within 3 sec and Xorg.0.log expand with this:"
    Output DIG0 transmitter setup success
    Blank CRTC 0 success
    Disable CRTC memreq 0 success
    Disable CRTC 0 success
    Blank CRTC 1 success
    Disable CRTC memreq 1 success
    Disable CRTC 1 success
    Output DIG0 transmitter setup success
    Blank CRTC 0 success
    Disable CRTC memreq 0 success
    Disable CRTC 0 success
    Enable CRTC 0 success
    Enable CRTC memreq 0 success
    Unblank CRTC 0 success
    Output DIG0 transmitter setup success"

    With KMS the Xorg.0.log dosen't change.
    With the 2.6.33RC6,7,8 the same result

    KMS xorg.log
    KMS dmesg
    non KMS xorg.log

    Sorry my terrible english!

  2. #2
    Join Date
    Nov 2008
    Posts
    6

  3. #3
    Join Date
    Nov 2008
    Posts
    6

    Default

    glxinfo
    With Ubuntu daily live i have same problem.

  4. #4
    Join Date
    Dec 2007
    Posts
    2,272

    Default

    With KMS the code, modesetting is handled in the kernel rather than in the ddx (xf86-video-ati) so it does not use the UMS code paths in the ddx that print that information.

  5. #5
    Join Date
    Nov 2008
    Posts
    6

    Default

    Hi!

    I trial with Ubuntu 10.04 Beta live, HDMI-HDMI cable, after dpms off, suspend or shutdown computer, the monitor stay this stage, only with kernel mode setting.

    My individual problem?

  6. #6
    Join Date
    Dec 2007
    Posts
    2,272

    Default

    Looks like a monitor problem; it's failing to detect a card attached when the signal is off.

  7. #7
    Join Date
    Nov 2008
    Posts
    6

    Default

    But only with KMS?

  8. #8
    Join Date
    Dec 2007
    Posts
    2,272

    Default

    Do things work any better with 2.6.34rc kernels or drm-radeon-testing?

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