Author: dumbbell Date: Mon Nov 3 14:57:41 2014 New Revision: 274050 URL: https://svnweb.freebsd.org/changeset/base/274050
Log: vt(4): Document kern.vt.fb.default_mode and kern.vt.fb.modes.* Those tunables are used to set a specific mode in vt(4) instead of using the default mode. Differential Revision: https://reviews.freebsd.org/D1098 Reviewed by: ak@, emaste@, kwm@ MFC after: 1 week Modified: head/share/man/man4/vt.4 Modified: head/share/man/man4/vt.4 ============================================================================== --- head/share/man/man4/vt.4 Mon Nov 3 14:35:07 2014 (r274049) +++ head/share/man/man4/vt.4 Mon Nov 3 14:57:41 2014 (r274050) @@ -45,6 +45,8 @@ In .Xr loader.conf 5 : .Cd hw.vga.textmode=1 .Cd kern.vty=vt +.Cd kern.vt.fb.default_mode="<X>x<Y>" +.Cd kern.vt.fb.modes.<connector>="<X>x<Y>" .Pp In .Xr loader.conf 5 or @@ -176,7 +178,7 @@ Otherwise, switches to 640x480x16 VGA mode using .Cm vt_vga . If a KMS -.Pq Kernel Mode Switching +.Pq Kernel Mode Setting video driver is available, the display is switched to high resolution and the KMS driver takes over. When a KMS driver is not available, @@ -203,6 +205,28 @@ By default, is used on computers that boot from BIOS, and .Nm is used on computers that boot from UEFI. +.It Va kern.vt.fb.default_mode +Set this value to a graphic mode to override the default mode picked by the +.Nm +backend. The mode is applied to all output connectors. This is currently +only supported by the +.Cm vt_fb +backend when it's paired with a KMS video driver. +.It Va kern.vt.fb.modes. Ns Pa connector_name +Set this value to a graphic mode to override the default mode picked by the +.Nm +backend. This mode is applied to the output connector +.Pa connector_name +only. It has precedence over +.Va kern.vt.fb.default_mode . +To know the list of available connectors, load the KMS driver and look +at +.Xr dmesg 8 : +it'll contain a list of connectors and their associated tunables. This +is currently only supported by the +.Cm vt_fb +backend when it's paired with a KMS video driver. +.El .Sh KEYBOARD SYSCTL TUNABLES These settings control whether certain special key combinations are enabled or ignored. @@ -255,6 +279,22 @@ This line changes the default color of k on a black background, or black on a bright red background when reversed. .Pp .Dl "options TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)" +.Pp +To set a 1024x768 mode on all output connectors, put the following line in +.Pa /boot/loader.conf : +.Pp +.Dl kern.vt.fb.default_mode="1024x768" +.Pp +To set a 800x600 only on a laptop builtin screen, use the following line instead: +.Pp +.Dl kern.vt.fb.modes.LVDS-1="800x600" +.Pp +The connector name was found in +.Xr dmesg 8 : +.Pp +.Dl info: [drm] Connector LVDS-1: get mode from tunables: +.Dl info: [drm] - kern.vt.fb.modes.LVDS-1 +.Dl info: [drm] - kern.vt.fb.default_mode .Sh SEE ALSO .Xr kbdcontrol 1 , .Xr login 1 , _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
