47 lines
1.3 KiB
Groff
47 lines
1.3 KiB
Groff
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.Dd $Mdocdate: October 5 2015 $
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.Dt VIDEOMODE 5
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.Os
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.Sh NAME
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.Nm videomode
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.Nd initial graphics resolution
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.Sh SYNOPSIS
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.Nm /etc/videomode
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.Sh DESCRIPTION
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The
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.Nm videomode
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file is read on boot by
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.Xr init 8
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and is used as the initial graphics resolution on the primary monitor. The
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resolution provided by the bootloader remains in effect if the file is missing.
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The resolution is usable only if the graphics card has a driver and the
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resolution is supported.
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.Sh FORMAT
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.Ar width Ns x Ns Ar height Ns x Ns Ar bits-per-pixel
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.Pp
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The file specifies a graphics resolution as a single line with three numeric
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fields separated by x characters and no whitespace whatsoever. The first field
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is used as the
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.Ar width
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in pixels, the second field is used as the
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.Ar height
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in pixels, and the third field is used as the
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.Ar bits-per-pixel .
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.Sh FILES
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.Bl -tag -width "/etc/videomode" -compact
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.It Pa /etc/videomode
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primary monitor graphics resolution.
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.El
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.Sh EXAMPLES
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.Bd -literal
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1920x1080x32
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.Ed
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.Sh SEE ALSO
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.Xr chvideomode 1 ,
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.Xr dispmsg_issue 2 ,
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.Xr init 8
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.Sh BUGS
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This scheme only supports a single monitor. The kernel console doesn't handle
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resolution changes gracefully, the console will be cleared and the console
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cursor might be out of the screen upon resolution shrink. Early boot messages
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will be unavailable.
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