[gentoo-user] Display on HDMI-connected TV to large

[gentoo-user] Display on HDMI-connected TV to large

[Sebastian Beßler]

[-- Attachment #1: Type: text/plain, Size: 1745 bytes --]

Hello,

recently I changed my dual-head setting from fglrx and old zephod to
xf86-video-ati, KMS and xrandr.
Nearly all works great, since KDE 4.4 even that, but the display on my
TFT-TV is a bit too large on all sides so that it doesn't fit completely
in. It is only a cm or so on all sides that overlap but it is really
annoying.

My normal monitor is a 19" Widescreen TFT connected via DVI to old 15 Pin
VGA connector and runs at 1440x900.
My 19" TV is connected via HDMI and runs at 1280x720

The same configuration worked perfectly in zaphod mode so that it is
possible with this hardware. But as zaphod is more then less broken and
without priority I changed to xrandr.

I have a Radeon 3650HD with x11-drivers/xf86-video-ati-9999

xrandr says:
metatron@Shao ~ $ xrandr
Screen 0: minimum 320 x 200, current 2720 x 900, maximum 8192 x 8192
HDMI-0 connected 1280x720+1440+0 (normal left inverted right x axis y
axis) 708mm x 398mm
   1280x720       60.0*+   50.0
   1024x768       60.0
   800x600        60.3
   720x576        50.0
   720x480        59.9
VGA-0 disconnected (normal left inverted right x axis y axis)
DIN disconnected (normal left inverted right x axis y axis)
DVI-0 connected 1440x900+0+0 (normal left inverted right x axis y axis)
408mm x 255mm
   1440x900       59.9*+
   1280x1024      75.0     60.0
   1280x960       60.0
   1152x864       75.0
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        72.8     75.0     66.7     60.0
   720x400        70.1

I can't figure it out by myself and google shows nothing that helps.

I hope someone here can give me a useful hint.

Greetings

Sebastian

[-- Attachment #2: xorg.conf --]
[-- Type: text/plain, Size: 2324 bytes --]

Section "InputDevice"
   Identifier "Mouse"
   Option "CorePointer"
   Driver "mouse"
   Option "Protocol" "auto"
   Option "Device" "/dev/input/mice"
   Option "Buttons" "3"
EndSection

Section "InputDevice"
  Identifier "Keyboard"
  Option "CoreKeyboard"
  Driver "kbd"
  Option "XkbRules" "xorg"
  Option "XkbLayout" "de"
  Option "XkbModel"  "pc105"
  Option "XkbVariant" "nodeadkeys"
EndSection

Section "Device"
    Identifier  "RadeonHD3650"
    Driver      "radeon"
    Option "RenderAccel" "on"
    Option "ColorTiling" "on"
    Option "EnablePageFlip" "on"
    Option "Monitor-DVI-0" "VideoSeven"
    Option "Monitor-HDMI-0" "TV"
    Option "DPI" "96"
    Option "PanelSize" "1280x720"
    Option "EXAVSync" "true"
    Option "ClockGating" "on"
EndSection

Section "Monitor"
    Identifier    "VideoSeven"
    DisplaySize 408 255
    Option "PreferredMode" "1440x900"
    Option "Position" "0 0"
    Option "Ignore" "false" 
    Option "Enable"  "true" 
    Option "DPI" "96"
EndSection

Section "Monitor"
    Identifier    "TV"
    #DisplaySize 408 255
    #Option "PreferredMode"  "1280x720"
    #Option "Position" "1440 0"
    Option "Ignore" "false" 
    Option "Enable"  "false"
EndSection


Section "Screen"
    Identifier    "Screen 0"
    Device        "RadeonHD3650"
    Option "Monitor-DVI-0" "VideoSeven"
    Option "Monitor-HDMI-0" "TV"

    DefaultDepth 24

    SubSection "Display"
        Depth		8
        ViewPort	0 0
        #Modes		"1024x768" "800x600" "640x480"
    EndSubsection

    SubSection "Display"
        Depth           16
        ViewPort        0 0
        #Modes		"1024x768" "800x600" "640x480"
    EndSubsection

    SubSection "Display"
        Depth           24
        ViewPort        0 0
        Modes		"1440x900" "1024x768" "800x600" "640x480"
    EndSubsection
EndSection


Section "DRI"
    Mode 0666
EndSection

Section "ServerLayout"
    Identifier   "Main Layout"
    Screen 0    "Screen 0"
EndSection

Section "Extensions"
   Option "Composite" "Enable"
   Option  "RenderAccel"   "1" 
EndSection

Section "ServerFlags"
     Option    "AllowMouseOpenFail"    "true"
     Option    "AllowEmptyInput"       "false"
     Option    "AutoAddDevices"        "false"
EndSection

Re: [gentoo-user] Display on HDMI-connected TV to large

[Stroller]

On 19 Feb 2010, at 18:42, Sebastian Beßler wrote:
> ...
> the display on my
> TFT-TV is a bit too large on all sides so that it doesn't fit  
> completely
> in. It is only a cm or so on all sides that overlap but it is really
> annoying.
>
> ... My 19" TV is connected via HDMI and runs at 1280x720
>
> The same configuration worked perfectly in zaphod mode so that it is
> possible with this hardware. But as zaphod is more then less broken  
> and
> without priority I changed to xrandr.

This may seem a little odd, but check your telly's remote for an  
overscan button or menu item.

I know it worked before, but maybe the mode got accidentally enabled  
since then.

The wrong overscan / underscan mode can show *exactly* the symptom you  
describe. You may notice text to be slightly blurry, too.

Stroller.

Re: [gentoo-user] Display on HDMI-connected TV to large

[Sebastian Beßler]

> This may seem a little odd, but check your telly's remote for an
overscan button or menu item.

My TV doesn't let me controll overscan.
I have a few modes to switch through but that doesn't effect overscan much
or at all (zoom, panorama and 16:9 FS take more then the other modes but
something is taken in any mode).

Tried to fix it by underscaning but that doesn't help either. My TV always
adaptes magically.

I go and ask on the xorg-mailinglist

Greetings

Sebastian