Need help to get VGA-to-TV working with Radeon 9250

[Art W]

Sebastian wrote:
> Hi,
> 
> I'm trying to setup a Clone session. I use MonitorLayout "CRT,CRT". In
> short:
> 
> Section "Monitor"
>     Identifier    "Panasonic TV"
>     HorizSync     15 - 16
>     VertRefresh   49.9-50.1
> ModeLine "720x576" 14.625 720 762 818 936 576 579 607 625 composite interlace +hsync -vsync
> EndSection
> 
> Section "Device"
>     Identifier    "Connect3D Radeon 9250 on TV"
>     Driver        "radeon"
>     Option        "DynamicClocks" "false"
>     Option        "MergedFB" "true"
The line is wrong A TV Horizontal frequency MUST be in the Kilo Hertz 
Range. Since you didnot mention what model TV I expect the entry should 
be ¨15-16Khz¨
>     Option        "CRT2HSync" "15-16"


>     Option        "CRT2VRefresh" "49.9-50.1"
>     Option        "CRT2Position" "Clone"
>     Option        "MonitorLayout" "CRT,CRT"
>     Option        "IgnoreEDID" "true"
>     Option        "ForceMinDotClock" "13MHz"
>     Option        "NoMergedXinerama" "true"
> EndSection
> 
> Section "Screen"
>     Identifier    "TV screen"
>     Device        "Connect3D Radeon 9250 on TV"
>     Monitor       "Panasonic TV"
>     DefaultDepth  24
>     SubSection "Display"
>       Depth       24
>       Modes       "720x576"
>     EndSubSection
> EndSection
> 
> Section "ServerLayout"
>     Identifier    "TV layout"
>     Screen        "TV screen"
>     InputDevice   "Mouse1" "CorePointer"
>     InputDevice   "Keyboard1" "CoreKeyboard"
> EndSection
> 
> Xorg.1.log:
> 
> (**) RADEON(0): MonitorLayout Option:
>         Monitor1--Type CRT, Monitor2--Type CRT
> 
> (II) RADEON(0):
> (II) RADEON(0): Primary:
>  Monitor   -- CRT
>  Connector -- VGA
>  DAC Type  -- TVDAC/ExtDAC
>  TMDS Type -- NONE
>  DDC Type  -- NONE
> (II) RADEON(0): Secondary:
>  Monitor   -- CRT
>  Connector -- VGA
>  DAC Type  -- Primary
>  TMDS Type -- NONE
>  DDC Type  -- VGA_DDC
> 
> ...
> 
> (II) RADEON(0): Total of 1 CRTC2 modes found for MergedFB------------
> (II) RADEON(0): Modes for CRT1: ********************
> (--) RADEON(0): Virtual size is 720x576 (pitch 768)
> (**) RADEON(0): *Mode "720x576": 14.6 MHz, 15.6 kHz, 50.1 Hz (I)
> (II) RADEON(0): Modeline "720x576"   14.62  720 762 818 936  576 579 607
> 625 interlace composite +hsync -vsync
> (II) RADEON(0): Modes for CRT2: ********************
> (--) RADEON(0): Virtual size is 720x576 (pitch 768)
> (**) RADEON(0): *Mode "720x576": 14.6 MHz, 15.6 kHz, 50.1 Hz (I)
> (II) RADEON(0): Modeline "720x576"   14.62  720 762 818 936  576 579 607
> 625 interlace composite +hsync -vsync
> (II) RADEON(0): Generating MergedFB mode list
> (II) RADEON(0): No MetaModes given, linking first modes by default
> (II) RADEON(0): Merged 720x576 and 720x576 to 720x576 (Clone)
> (--) RADEON(0): MergedFB: Virtual width 720
> (--) RADEON(0): MergedFB: Virtual height 576
> 
> That seems like X is driving both screen at the same modeline. The flat
> panel goes blank of course because I tricked X to believe there's no
> TMDS on the primary but a CRT. The TV doesn't go dark anymore. But the
> picture moves from top to bottom and it seems the picture is doubled (on
> picture of the same other). That makes me think that it doesn't really
> use the modeline it said it does.
> 
> Is this the end of the story? I mean can I try anything else, except
> booting without the flat panel connected?
> 
> Why can't X just disable the flat panel and drive the VGA out if I want
> it to? Is this a hardware or a software limitation?
> 
> Thanks
> 
> Sebastian
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> xorg mailing list
> xorg at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/xorg