patch-2.2.7 linux/Documentation/fb/matroxfb.txt
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- Lines: 26
- Date:
Tue Apr 20 15:13:00 1999
- Orig file:
v2.2.6/linux/Documentation/fb/matroxfb.txt
- Orig date:
Tue Jan 19 11:32:50 1999
diff -u --recursive --new-file v2.2.6/linux/Documentation/fb/matroxfb.txt linux/Documentation/fb/matroxfb.txt
@@ -1,6 +1,6 @@
[This file is cloned from VesaFB. Thanks go to Gerd Knorr]
-what is matroxfb?
+What is matroxfb?
=================
This is a driver for a graphic framebuffer for Matrox devices on
@@ -221,6 +221,8 @@
sync:X - sync. pulse - bit 0 inverts HSYNC polarity, bit 1 VSYNC polarity.
If bit 3 (value 0x08) is set, composite sync instead of HSYNC is
generated. If bit 5 (value 0x20) is set, sync on green is turned on.
+ Do not forget that if you want sync on green, you also probably
+ want composite sync.
Default depends on `vesa'.
depth:X - Bits per pixel: 0=text, 4,8,15,16,24 or 32. Default depends on
`vesa'.
@@ -284,8 +286,6 @@
+ current fbset is not able to set 15bpp videomode: you must specify
depth==16 and green.length==5. fbset does not allow you to set
green.length.
- + hardware cursor is available only in accelerated videomodes. Maybe that
- this is misfeature and not feature.
+ text mode uses 6 bit VGA palette instead of 8 bit (one of 262144 colors
instead of one of 16M colors). It is due to hardware limitation of
MilleniumI/II and SVGALib compatibility.
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