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Old 01-05-09, 11:52 AM   #1
oldguy
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Join Date: Dec 2007
Posts: 39
Question Explicitly Define xorg for 1080p TV ?

Here's my problem. I'm running Fedora 10 and want to output to my HDTV through a 50 ft HDMI cable. (That part is not the problem).

I can hook up a simple mechanical DVI to HDMI adapter and get a nice picture on my TV. Without powering anything down, I can pull the adapter and reconnect through the converter box and re-establish a nice picture to the TV (so I know the converter box works).

The problem is I want to establish the connection through an Audio/DVI to HDMI converter box.

If I attempt to establish the video connection initially through the converter box, all I get on the TV is an "invalid mode" message. I assume that this is because the Nvidia driver is reading the converter box and not the TV in order to establish all of its parameters? If that's the case, is there some way to read all the parameters from the good "adapter" connection and explicitly define them for the "converter" connection?

I hope that was clear. Any help would be appreciated.

Thanks!
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Old 01-05-09, 12:13 PM   #2
AaronP
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Default Re: Explicitly Define xorg for 1080p TV ?

Yes. Use the "Acquire EDID" button in nvidia-settings to save the display information from your TV to a file, and then use the CustomEDID (and possibly ConnectedMonitor) option in xorg.conf to force the driver to think that TV is connected directly.
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Old 01-06-09, 12:26 PM   #3
oldguy
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Default Re: Explicitly Define xorg for 1080p TV ?

Thanks for the info! I'll probably try it this weekend.
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Old 01-19-09, 06:59 PM   #4
oldguy
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Default Re: Explicitly Define xorg for 1080p TV ?

I don't seem to be able to force the custom EDID?

Here is my xorg.conf, followed by a dump of the "conf" from the NVIDIA tools. It seems to insist on trying to read the "box" instead of using the custom EDID.

All help appreciated!

Input xorg.conf:
------------------------------
Section "ServerLayout"
Identifier "Multihead layout"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "on"
Option "Clone" "off"
EndSection

Section "Files"
FontPath "/usr/share/fonts/default/Type1"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
# generated from data in "/etc/sysconfig/keyboard"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbLayout" "us"
Option "XkbModel" "pc105"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "NEC"
ModelName "NEC MultiSync FE950+"
HorizSync 30.0 - 96.0
VertRefresh 50.0 - 160.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "TV"
ModelName "Samsung"
Option "dpms"
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 6600 GT"
BusID "PCI:1:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 6600 GT"
BusID "PCI:1:0:0"
Screen 1
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
# modes "1600x1200" "1400x1050" "1280x1024"
modes "1400x1050" "1280x1024"
EndSubSection
EndSection

Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "ConnectedMonitor" "DFP-0"
Option "CustomEDID" "DFP-0:/etc/X11/Samsung_edid.bin"
SubSection "Display"
Depth 24
EndSubSection
EndSection
------------------------------

Dumped result:
-----------------------------
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildmeister@builder63) Tue Jan 6 10:03:55 PST 2009

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" 1400 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection

Section "Files"
FontPath "/usr/share/fonts/default/Type1"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection

Section "ServerFlags"
Option "Xinerama" "1"
EndSection

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
# generated from data in "/etc/sysconfig/keyboard"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbLayout" "us"
Option "XkbModel" "pc105"
EndSection

Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "NEC FE950+"
HorizSync 30.0 - 96.0
VertRefresh 50.0 - 160.0
Option "DPMS"
EndSection

Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor1"
VendorName "Unknown"
ModelName "MST"
HorizSync 31.5 - 75.0
VertRefresh 60.0 - 75.0
Option "DPMS"
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 6600 GT"
BusID "PCI:1:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 6600 GT"
BusID "PCI:1:0:0"
Screen 1
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "0"
Option "TwinViewXineramaInfoOrder" "CRT-0"
Option "metamodes" "CRT: 1400x1050 +0+0; CRT: 1280x1024 +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "DFP: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
----------------------------
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