[mythtv-users] Vizio LCD native resolution problem over DVI->HDMI [SOLVED]

Captain Krypto captainkrypto at gmail.com
Fri May 16 20:34:46 UTC 2008


I was able to get the native resolution (1366x768) on my Vizio GV42L through
both the DVI and VGA outputs at the same time.

Here is the xorg.conf I use... (
http://www.mythtv.org/wiki/index.php/Running_MythTV_Dual_Headed#PIP_Display_.28One_X_Server.2C_One_display.2C_Dual_head_video_card_with_a_desktop_on_each.29
)

Maybe it will help:

Section "ServerLayout"
>         Identifier     "Multi-Head"
>         Screen          0  "Desktop" 0 0
>         Screen          1  "MythTV" RightOf "Desktop"
>         InputDevice    "Keyboard"       "CoreKeyboard"
>         InputDevice    "Mouse"          "CorePointer"
> EndSection
>
> Section "Files"
>         ModulePath   "/usr/lib64/xorg/modules/extensions/nvidia"
>         ModulePath   "/usr/lib64/xorg/modules/extensions"
>         ModulePath   "/usr/lib64/xorg/modules"
> EndSection
>
> Section "Module"
>         Load    "dbe"
>         Load    "extmod"
>         Load    "fbdevhw"
>         Load    "glx"
>         Load    "record"
>         Load    "freetype"
>         Load    "type1"
>         Load    "v4l"
> EndSection
>
> Section "InputDevice"
>         Identifier      "Keyboard"
>         Driver          "kbd"
>         Option          "XkbModel" "pc105"
>         Option          "XkbLayout" "us+inet"
> EndSection
>
> Section "InputDevice"
>         Identifier      "Mouse"
>         Driver          "mouse"
> EndSection
>
> Section "ServerFlags"
>         Option          "Xinerama" "0"
> EndSection
>
> Section "Device"
>         Identifier      "GF7050_RGB"
>         Driver          "nvidia"
>         VendorName      "NVIDIA Corporation"
>         BoardName       "GeForce 7050 PV / NVIDIA nForce 630a"
>         BusID           "PCI:0:18:0"
>         Option          "NvAGP"                 "2"
>         Option          "UseEvents"             "True"
>         Option          "AddARGBGLXVisuals"     "True"
>         Option          "ModeValidation"        "NoWidthAlignmentCheck"  # Important!!! need this option to use nvidia card at 1366 x 768
>         Option          "ExactModeTimingsDVI"   "True"
>         Option          "ModeValidation"        "NoDFPNativeResolutionCheck"
>         Screen          0
> EndSection
>
> Section "Device"
>         Identifier      "GF7050_DFP"
>         Driver          "nvidia"
>         VendorName      "NVIDIA Corporation"
>         BoardName       "GeForce 7050 PV / NVIDIA nForce 630a"
>         BusID           "PCI:0:18:0"
>         Option          "NvAGP"                 "2"
>         Option          "UseEvents"             "True"
>         Option          "AddARGBGLXVisuals"     "True"
>         Option          "ModeValidation"        "NoWidthAlignmentCheck"  # Important!!! need this option to use nvidia card at 1366 x 768
>         Option          "ExactModeTimingsDVI"   "True"
>         Option          "ModeValidation"        "NoDFPNativeResolutionCheck"
>         Screen          1
> EndSection
>
> Section "Monitor"
>        Identifier       "GV42L"
>        VendorName       "VIZIO"
>        ModelName        "GV42L"
>
>        HorizSync        31-70
>        VertRefresh      50-85
>
>        Modeline "1366x768 at 60.00"  85.5  1366 1494 1624 1798  768 770 776 795  -HSync +Vsync Interlace
>        Modeline "768p at 60.00"  85.5  1366 1494 1624 1798  768 770 776 795  -HSync +Vsync
> EndSection
>
> Section "Screen"
>         Identifier      "Desktop"
>         Device          "GF7050_RGB"
>         Monitor         "GV42L"
>         Option          "ConnectedMonitor"      "CRT-0,DFP-0" #Force the connected monitor since only one can be active at a time
>         Option          "UseDisplayDevice"      "CRT-0"
>         DefaultDepth    24
>         SubSection "Display"
>                 Viewport        0 0
>                 Depth           24
>                 Modes           "1366x768 at 60.00"
>         EndSubSection
> EndSection
>
> Section "Screen"
>         Identifier      "MythTV"
>         Device          "GF7050_DFP"
>         Monitor         "GV42L"
>         Option          "ConnectedMonitor"      "CRT-0,DFP-0" #Force the connected monitor since only one can be active at a time
>         Option          "UseDisplayDevice"      "DFP-0"
>         DefaultDepth    24
>         SubSection "Display"
>                 Viewport        0 0
>                 Depth           24
>                 Modes           "768p at 60.00"
>         EndSubSection
> EndSection
>
>
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