[ubuntu-ar] deshabilitar/habilitar salida TV?

Mariano Absatz - gmail el.baby at gmail.com
Mon May 9 12:03:44 UTC 2011 

Hola,

tengo un Natty instalado desde 0 en una notebook HP ProBook 4510s que anda
sin problemas.

El tema es que 'a veces', en lugar de arrancar X en 1366x768, arranca en
1024x768. Usualmente, rebooteando se arregla, pero es bastante molesto.

Mirando un poco los logs de x.org descubrí que cuando levanta en 1024x768 es
porque habilita una salida llamada TV1.

Sospecho que el adaptador gráfico (Intel GM45) debe soportar una salida de
TV, aunque la notebook no tenga dicha salida (además del monitor interno,
tiene un conector VGA y un HDMI).

Abajo les copio las porciones significativas de Xorg.0.log en ambos casos
(las diferencias están resaltadas en negrita -perdón por el HTML en el
mail).

¿Cómo hago para decirle que no le de pelota a esa salida TV1? (sospecho que
así levantará en 1366x768 siempre).

Si alguien tiene una idea mejor, siempre es bienvenida, saludos.

Este es el aspecto del log cuando levanta en 1024x768:
###############################################################################
...
[    66.610] (II) intel(0): Integrated Graphics Chipset: Intel(R) GM45
[    66.610] (--) intel(0): Chipset: "GM45"
[    66.610] (**) intel(0): Relaxed fencing enabled
[    66.610] (**) intel(0): Tiling enabled
[    66.610] (**) intel(0): SwapBuffers wait enabled
[    66.610] (==) intel(0): video overlay key set to 0x101fe
[    66.610] (II) intel(0): Output LVDS1 has no monitor section
[    66.610] (II) intel(0): found backlight control interface
/sys/class/backlight/acpi_video0
[    66.650] (II) intel(0): Output VGA1 has no monitor section
[    66.654] (II) intel(0): Output HDMI1 has no monitor section
[    66.654] (II) intel(0): Output DP1 has no monitor section
[    66.654] (II) intel(0): Output DP2 has no monitor section
[    66.750] (II) intel(0): Output TV1 has no monitor section
[    66.750] (II) intel(0): EDID for output LVDS1
...
[    66.751] (II) intel(0): Printing probed modes for output LVDS1
[    66.751] (II) intel(0): Modeline "1366x768"x60.0   69.30  1366 1414 1446
1480  768 770 775 780 -hsync -vsync (46.8 kHz)
[    66.751] (II) intel(0): Modeline "1360x768"x59.8   84.75  1360 1432 1568
1776  768 771 781 798 -hsync +vsync (47.7 kHz)
[    66.751] (II) intel(0): Modeline "1360x768"x60.0   72.00  1360 1408 1440
1520  768 771 781 790 +hsync -vsync (47.4 kHz)
[    66.751] (II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz)
[    66.751] (II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968
1056  600 601 605 628 +hsync +vsync (37.9 kHz)
[    66.751] (II) intel(0): Modeline "800x600"x56.2   36.00  800 824 896
1024  600 601 603 625 +hsync +vsync (35.2 kHz)
[    66.751] (II) intel(0): Modeline "640x480"x59.9   25.18  640 656 752 800
 480 490 492 525 -hsync -vsync (31.5 kHz)
[    66.790] (II) intel(0): EDID for output VGA1
[    66.794] (II) intel(0): EDID for output HDMI1
[    66.794] (II) intel(0): EDID for output DP1
[    66.794] (II) intel(0): EDID for output DP2
[    66.890] (II) intel(0): EDID for output TV1
*[    66.890] (II) intel(0): Printing probed modes for output TV1*
*[    66.890] (II) intel(0): Modeline "848x480"x30.0   14.51  848 849 912
944  480 481 512 513 (15.4 kHz)*
*[    66.890] (II) intel(0): Modeline "640x480"x30.0   11.31  640 641 704
736  480 481 512 513 (15.4 kHz)*
*[    66.890] (II) intel(0): Modeline "1024x768"x30.0   26.89  1024 1025
1088 1120  768 769 800 801 (24.0 kHz)*
*[    66.890] (II) intel(0): Modeline "800x600"x30.0   17.00  800 801 864
896  600 601 632 633 (19.0 kHz)*
[    66.890] (II) intel(0): Output LVDS1 connected
[    66.890] (II) intel(0): Output VGA1 disconnected
[    66.890] (II) intel(0): Output HDMI1 disconnected
[    66.890] (II) intel(0): Output DP1 disconnected
[    66.890] (II) intel(0): Output DP2 disconnected
*[    66.890] (II) intel(0): Output TV1 connected*
[    66.890] (II) intel(0): Using fuzzy aspect match for initial modes
[    66.890] (II) intel(0): Output LVDS1 using initial mode 1024x768
[    66.890] (II) intel(0): Output TV1 using initial mode 1024x768
...
###############################################################################



Cuando funciona en 1366x768 no muestra nada para la salida TV1:
###############################################################################
...
[ 17296.465] (II) intel(0): Integrated Graphics Chipset: Intel(R) GM45
[ 17296.465] (--) intel(0): Chipset: "GM45"
[ 17296.465] (**) intel(0): Tiling enabled
[ 17296.465] (**) intel(0): SwapBuffers wait enabled
[ 17296.465] (==) intel(0): video overlay key set to 0x101fe
[ 17296.465] (II) intel(0): Output LVDS1 has no monitor section
[ 17296.465] (II) intel(0): found backlight control interface
/sys/class/backlight/acpi_video0
[ 17296.500] (II) intel(0): Output VGA1 has no monitor section
[ 17296.504] (II) intel(0): Output HDMI1 has no monitor section
[ 17296.504] (II) intel(0): Output DP1 has no monitor section
[ 17296.505] (II) intel(0): Output DP2 has no monitor section
[ 17296.600] (II) intel(0): Output TV1 has no monitor section
[ 17296.600] (II) intel(0): EDID for output LVDS1
...
[ 17296.602] (II) intel(0): Printing probed modes for output LVDS1
[ 17296.602] (II) intel(0): Modeline "1366x768"x60.0   69.30  1366 1414 1446
1480  768 770 775 780 -hsync -vsync (46.8 kHz)
[ 17296.602] (II) intel(0): Modeline "1360x768"x59.8   84.75  1360 1432 1568
1776  768 771 781 798 -hsync +vsync (47.7 kHz)
[ 17296.602] (II) intel(0): Modeline "1360x768"x60.0   72.00  1360 1408 1440
1520  768 771 781 790 +hsync -vsync (47.4 kHz)
[ 17296.602] (II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz)
[ 17296.602] (II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968
1056  600 601 605 628 +hsync +vsync (37.9 kHz)
[ 17296.602] (II) intel(0): Modeline "800x600"x56.2   36.00  800 824 896
1024  600 601 603 625 +hsync +vsync (35.2 kHz)
[ 17296.602] (II) intel(0): Modeline "640x480"x59.9   25.18  640 656 752 800
 480 490 492 525 -hsync -vsync (31.5 kHz)
[ 17296.640] (II) intel(0): EDID for output VGA1
[ 17296.644] (II) intel(0): EDID for output HDMI1
[ 17296.644] (II) intel(0): EDID for output DP1
[ 17296.645] (II) intel(0): EDID for output DP2
[ 17296.840] (II) intel(0): EDID for output TV1
[ 17296.840] (II) intel(0): Output LVDS1 connected
[ 17296.840] (II) intel(0): Output VGA1 disconnected
[ 17296.840] (II) intel(0): Output HDMI1 disconnected
[ 17296.840] (II) intel(0): Output DP1 disconnected
[ 17296.840] (II) intel(0): Output DP2 disconnected
*[ 17296.840] (II) intel(0): Output TV1 disconnected*
[ 17296.840] (II) intel(0): Using exact sizes for initial modes
[ 17296.840] (II) intel(0): Output LVDS1 using initial mode 1366x768
...
###############################################################################



-- 
Mariano Absatz - El Baby
www.clueless.com.ar
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