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authorEgbert Eich <eich@freedesktop.org>2008-07-17 15:08:55 +0200
committerEgbert Eich <eich@freedesktop.org>2008-07-17 16:48:48 +0200
commit72477c9e0142241a35943545d675c6513a3abde8 (patch)
tree8bd2f77afe66264948e4883beff6512e55aa35e5
parent820187b208ab1ec94a015f07e48abbb381524c89 (diff)
manpage: Add description on the scaling option.
-rw-r--r--man/radeonhd.man27
1 files changed, 27 insertions, 0 deletions
diff --git a/man/radeonhd.man b/man/radeonhd.man
index 4d8f2b3..7167583 100644
--- a/man/radeonhd.man
+++ b/man/radeonhd.man
@@ -292,6 +292,33 @@ Use of this option is considered deprecated. The
.B AccelMethod
option is considered to be more flexible.
.TP
+.BI "Option \*qScaleType\*q \*q" none|center|scale|scale_keep_aspect_ratio|default \*q
+Sets the scaling mode for laptop flat panels when used together with an external
+screen. The scaling engine is capable of scaling both up and down.
+.br
+.B \*qnone\*q
+means to not scale at all, ie. the image will be displayed in the top left
+corner of the panel if the resolution of the external display is lower than
+the panel resolution.
+.br
+.B \*qcenter\*q
+means not to scale but center the image on the panel ie. apply a black frame
+around the image on the panel in case the panel resolution is lower than the
+one of the external display.
+.br
+.B \*qscale\*q
+means to always scale to the the resolution of the external display filling
+the entire panel.
+.br
+.B \*qscale_keep_aspect_ration\*q
+scales the panel display but keeps the aspect ration of the external display,
+which means if the external display has a different aspect ration than the
+panel it black borders will be added to the top and bottom or left and right.
+.br
+.B \*qdefault\*q
+sets the default behavior which is th keep the aspect ration.
+.br
+.TP
.BI "Option \*qRRUseXF86Edid\*q \*q" boolean \*q
.IR "RandR modesetting only" .
.br