DVI output not visible on LCD with DVI, VGA output works -- (MergedFB on Ubuntu Edgy, Powerbook G4 ATI radeon 9600 M10)

Martin Langhoff martin.langhoff at gmail.com
Thu Jan 4 12:30:15 PST 2007

On 1/5/07, Alex Deucher <alexdeucher at gmail.com> wrote:
> try again after a fresh reboot.  Also if you are using LVDS and TMDS
> (DVI), make sure you set your monitorlayout option to LVDS, TMDS as we
> don't currently detect that combo properly yet.  Can you post your log
> and config somewhere?

No change after a cold boot after 30 minutes of no power or battery.

$ grep -i monitorlayout  /etc/X11/xorg.conf
        Option          "MonitorLayout" "LVMS,TMDS"

(I do wonder whether I need a space after the comma... will try after
posting this)

I've attached log and conf [hopefully the list will let them
through?]. In any case, the interesting bit of the log is

(II) RADEON(0): EDID data from the display on 2nd port -----------------------
(II) RADEON(0): Manufacturer: AOC  Model: a925  Serial#: 29720
(II) RADEON(0): Year: 2005  Week: 2
(II) RADEON(0): EDID Version: 1.3
(II) RADEON(0): Digital Display Input
(II) RADEON(0): Max H-Image Size [cm]: horiz.: 38  vert.: 30
(II) RADEON(0): Gamma: 2.20
(II) RADEON(0): DPMS capabilities: Off; RGB/Color Display
(II) RADEON(0): First detailed timing is preferred mode
(II) RADEON(0): redX: 0.634 redY: 0.354   greenX: 0.300 greenY: 0.614
(II) RADEON(0): blueX: 0.138 blueY: 0.076   whiteX: 0.310 whiteY: 0.329
(II) RADEON(0): Supported VESA Video Modes:
(II) RADEON(0): 720x400 at 70Hz
(II) RADEON(0): 640x480 at 60Hz
(II) RADEON(0): 640x480 at 67Hz
(II) RADEON(0): 640x480 at 72Hz
(II) RADEON(0): 640x480 at 75Hz
(II) RADEON(0): 800x600 at 56Hz
(II) RADEON(0): 800x600 at 60Hz
(II) RADEON(0): 800x600 at 72Hz
(II) RADEON(0): 800x600 at 75Hz
(II) RADEON(0): 832x624 at 75Hz
(II) RADEON(0): 1024x768 at 60Hz
(II) RADEON(0): 1024x768 at 70Hz
(II) RADEON(0): 1024x768 at 75Hz
(II) RADEON(0): 1280x1024 at 75Hz
(II) RADEON(0): Manufacturer's mask: 0
(II) RADEON(0): Supported Future Video Modes:
(II) RADEON(0): #0: hsize: 1280  vsize 1024  refresh: 60  vid: 32897
(II) RADEON(0): Supported additional Video Mode:
(II) RADEON(0): clock: 108.0 MHz   Image Size:  376 x 301 mm
(II) RADEON(0): h_active: 1280  h_sync: 1328  h_sync_end 1440
h_blank_end 1688 h_border: 0
(II) RADEON(0): v_active: 1024  v_sync: 1025  v_sync_end 1028
v_blanking: 1066 v_border: 0
(II) RADEON(0): Serial No: 14551JA029720
(II) RADEON(0): Ranges: V min: 55  V max: 75 Hz, H min: 30  H max: 83
kHz, PixClock max 140 MHz
(II) RADEON(0): Monitor name: LM925
(II) RADEON(0): Port1:
 Monitor   -- LVDS
 Connector -- DVI-I
 DAC Type  -- TVDAC/ExtDAC
 TMDS Type -- Internal
 DDC Type  -- DVI_DDC
(II) RADEON(0): Port2:
 Monitor   -- TMDS
 Connector -- VGA
 DAC Type  -- Primary
 TMDS Type -- External
 DDC Type  -- VGA_DDC

And from conf...
Section "Device"
        Identifier      "ATI Radeon 9600 (Primary)"
        Driver          "radeon"
        BusID           "PCI:0:16:0"

        Option          "MergedFB" "true"
        Option          "MonitorLayout" "LVMS,TMDS"
        Option          "OverlayOnCRT"  "true"
#       Option          "MetaModes" "1280x854-1024x768 1024x768"
        Option          "MetaModes" "1280x854-800x600 1280x854
1280x854-1024x768 1280x854-1280x1024 1280x854-1440x900"
        Option          "MergedDPI" "100 100"
        Option          "CRT2Position" "RightOf"
        Option          "CRT2HSync"     "31.0-80.0"
        Option          "CRT2VRefresh"  "60.0-72.0"

        Option          "MergedNonRectangular" "true"

        Option          "AGPMode"               "4"
        Option          "EnableDepthMoves"      "true"
        Option          "EnablePageFlip"        "true"
        Option          "NoBackBuffer"          "false"
        Option          "NoAccel"               "false"
        Option          "BIOSHotkeys"           "false"
#       Option          "VGAAccess"             "true"

        # Power savings
        Option          "DynamicClocks"         "true"

        # Compiz Glitz
        # Option                "AccelMethod"           "EXA"
        Option          "AccelDFS"              "true"
        Option          "ColorTiling"           "true"
        Option          "RenderAccel"           "true"
        # Option                "TripleBuffer"          "true"
        # Option                "AddARGBGLXVisuals"     "true"
        # Option                "XAANoOffscreenPixmaps" "true"
        # Option                "AGPFastWrite"          "on"

#        Option         "SWcursor"              "true"
#       Option          "UseFBDev"              "true"
        Option          "DDCMode"               "true"
        Option          "IgnoreEDID"            "false"
        Option          "ReducedBlanking"       "true"
        Screen          0

Section "Device"
        Identifier      "ATI Radeon 9600 (Secondary)"
        Driver          "radeon"
        BusID           "PCI:0:16:0"
        Screen          1


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