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Old 07-05-2010, 02:28 PM
Gianluca Cecchi
 
Default display problem through hdmi to tv

Hello,
I have a Dell laptop, XPS M1330.
I had this problem with f12 originally but didn't go deeper with it.
Now I have updated the same system to f13 and experiment the same.
It has an hdmi-out connector and I'm trying to correctly configure it to send audio/video to hdmi only.

The connection is to a Panasonic 37" TV.
Audio is ok.
For video, after reading the tv specs I set these relevant parts in xorg.conf

Section "ServerLayout"
******* Identifier**** "Default Layout"

******* Screen***** 0* "Screen0" 0 0
******* InputDevice*** "Keyboard0" "CoreKeyboard"
******* InputDevice*** "Mouse0" "CorePointer"
******* Option***** "Xinerama" "0"

EndSection

Section "Monitor"
******* Identifier** "Monitor1"
******* VendorName** "Panasonic"
******* ModelName*** "TX-L37G10E"
******* HorizSync*** 31.0 - 69.0

******* VertRefresh* 59.0 - 86.0
EndSection

Section "Device"
******* Identifier* "Device0"
******* Driver***** "nvidia"
******* VendorName* "NVIDIA Corporation"

******* BoardName** "GeForce 8400M GS"
******* Option***** "NoLogo" "True"
******* Option***** "ConnectedMonitor" "DFP-1"
******* Option***** "AddARGBGLXVisuals" "True"

EndSection

Section "Screen"
******* Identifier "Screen0"
******* Device**** "Device0"
******* Monitor*** "Monitor1"
******* DefaultDepth**** 24
******* Option***** "UseDisplayDevice" "DFP-1"

******* SubSection "Display"
*************** Depth**** 24
*************** Modes**** "1920x1080"
*************** ViewPort**** 0 0
******* EndSubSection
EndSection

Section "Extensions"

******* Option***** "Composite" "Enable"
EndSection

It works and sends audio/video only to the tv, while the laptop display remains black, but it seems that upper and lower rows of the screen are not shown...

For example I don't see the top and bottom main bars.

xdpyinfo shows:
screen #0:
* dimensions:*** 1920x1080 pixels (650x366 millimeters)
* resolution:*** 75x75 dots per inch
* depths (7):*** 24, 1, 4, 8, 15, 16, 32

* root window id:*** 0x15a
* depth of root window:*** 24 planes

so it seems correct
Xorg.0.log shows these warning lines:
[** 263.422] (WW) NVIDIA(0): Panasonic-TV (DFP-1)'s EDID does not contain a maximum image

[** 263.422] (WW) NVIDIA(0):**** size; cannot compute DPI from Panasonic-TV (DFP-1)'s
[** 263.422] (WW) NVIDIA(0):**** EDID.

And this EE line:
[** 263.646] (EE) No input driver/identifier specified (ignoring)


And immediately above
[** 261.716] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[** 261.716] (==) NVIDIA(0): RGB weight 888
[** 261.716] (==) NVIDIA(0): Default visual is TrueColor
[** 261.716] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)

[** 261.716] (**) NVIDIA(0): Option "NoLogo" "True"
[** 261.716] (**) NVIDIA(0): Option "ConnectedMonitor" "DFP-1"
[** 261.716] (**) NVIDIA(0): Option "UseDisplayDevice" "DFP-1"

[** 261.716] (**) NVIDIA(0): Option "AddARGBGLXVisuals" "True"
[** 261.716] (**) NVIDIA(0): Enabling RENDER acceleration
[** 261.716] (**) NVIDIA(0): ConnectedMonitor string: "DFP-1"

[** 261.716] (II) NVIDIA(0): Support for GLX with the Damage and Composite X extensions is
[** 261.716] (II) NVIDIA(0):**** enabled.
[** 262.330] (II) NVIDIA(0): NVIDIA GPU GeForce 8400M GS (G86M) at PCI:1:0:0 (GPU-0)

[** 262.330] (--) NVIDIA(0): Memory: 262144 kBytes
[** 262.330] (--) NVIDIA(0): VideoBIOS: 60.86.45.00.40
[** 262.330] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[** 262.330] (--) NVIDIA(0): Interlaced video modes are supported on this GPU

[** 262.330] (--) NVIDIA(0): Connected display device(s) on GeForce 8400M GS at PCI:1:0:0:
[** 262.330] (--) NVIDIA(0):**** Panasonic-TV (DFP-1)
[** 262.330] (--) NVIDIA(0): Panasonic-TV (DFP-1): 165.0 MHz maximum pixel clock

[** 262.330] (--) NVIDIA(0): Panasonic-TV (DFP-1): Internal Single Link TMDS
[** 262.397] (II) NVIDIA(0): Assigned Display Device: DFP-1
[** 262.397] (II) NVIDIA(0): Validated modes:
[** 262.397] (II) NVIDIA(0):**** "1920x1080"

[** 262.397] (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080

And below

[** 263.422] (==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
[** 263.422] (**) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.

[** 263.422] (--) Depth 24 pixmap format is 32 bpp
[** 263.422] (II) NVIDIA: Using 768.00 MB of virtual memory for indirect memory access.
[** 263.423] (II) NVIDIA(0): Initialized GPU GART.
[** 263.430] (II) NVIDIA(0): ACPI display change hotkey events enabled: the X server is new

[** 263.430] (II) NVIDIA(0):**** enough to receive ACPI hotkey events.
[** 263.431] (II) NVIDIA(0): ACPI brightness change hotkey events enabled.
[** 263.436] (II) NVIDIA(0): Setting mode "1920x1080"
[** 263.464] (II) Loading extension NV-GLX

[** 263.495] (II) NVIDIA(0): Initialized OpenGL Acceleration
[** 263.529] (==) NVIDIA(0): Disabling shared memory pixmaps
[** 263.529] (II) NVIDIA(0): Initialized X Rendering Acceleration
[** 263.529] (==) NVIDIA(0): Backing store disabled

[** 263.529] (==) NVIDIA(0): Silken mouse enabled
[** 263.539] (==) NVIDIA(0): DPMS enabled
[** 263.539] (II) Loading extension NV-CONTROL
[** 263.539] (II) Loading extension XINERAMA
[** 263.539] (II) Loading sub module "dri2"

[** 263.539] (II) LoadModule: "dri2"
[** 263.540] (II) Reloading /usr/lib64/xorg/modules/extensions/libdri2.so
[** 263.540] (II) NVIDIA(0): [DRI2] Setup complete
[** 263.540] (II) NVIDIA(0): [DRI2]** VDPAU driver: nvidia

[** 263.540] (==) RandR enabled

I know that I'm using proprietary nvidia module and the question would be somehow offtopic, but probably it is not related (only) to the driver..
Anyway I could also try to use nouveau driver and see if the problem arises with it too...

In the mean time any suggestion?

When X Windows System starts, the tv shows the label

WIDE
1080p

So it seems it accepts the 1920x1080 resolution.
BTW: on laptop
cat /proc/cmdline shows:
ro root=UUID=f829ca09-552e-46ce-85bd-779da1c90d17 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet rdblacklist=nouveau nomodeset elevator=deadline /dev/sda6


Thanks in advance,
Gianluca


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