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authorAdrian McMenamin <adrian@mcmen.demon.co.uk>2007-08-10 13:00:48 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-11 15:47:40 -0700
commitacb73865328bd6211a1452f39a4f660d26658918 (patch)
tree2a2b9737d7c572d6d980c49b3dd7936e7606b166 /Documentation
parent306c869c237a66fe85580f60558f105e3305d465 (diff)
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pvr2fb: update Documentation/fb/pvr2fb.txt
The current version is very old and does not correctly specify how to set the video mode. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/fb/pvr2fb.txt22
1 files changed, 13 insertions, 9 deletions
diff --git a/Documentation/fb/pvr2fb.txt b/Documentation/fb/pvr2fb.txt
index 2bf6c2321c2d..36bdeff585e2 100644
--- a/Documentation/fb/pvr2fb.txt
+++ b/Documentation/fb/pvr2fb.txt
@@ -9,14 +9,13 @@ one found in the Dreamcast.
Advantages:
* It provides a nice large console (128 cols + 48 lines with 1024x768)
- without using tiny, unreadable fonts.
+ without using tiny, unreadable fonts (NOT on the Dreamcast)
* You can run XF86_FBDev on top of /dev/fb0
* Most important: boot logo :-)
Disadvantages:
- * Driver is currently limited to the Dreamcast PowerVR 2 implementation
- at the time of this writing.
+ * Driver is largely untested on non-Dreamcast systems.
Configuration
=============
@@ -29,11 +28,16 @@ Accepted options:
font:X - default font to use. All fonts are supported, including the
SUN12x22 font which is very nice at high resolutions.
-mode:X - default video mode. The following video modes are supported:
- 640x240-60, 640x480-60.
+mode:X - default video mode with format [xres]x[yres]-<bpp>@<refresh rate>
+ The following video modes are supported:
+ 640x640-16@60, 640x480-24@60, 640x480-32@60. The Dreamcast
+ defaults to 640x480-16@60. At the time of writing the
+ 24bpp and 32bpp modes function poorly. Work to fix that is
+ ongoing
+
Note: the 640x240 mode is currently broken, and should not be
- used for any reason. It is only mentioned as a reference.
+ used for any reason. It is only mentioned here as a reference.
inverse - invert colors on screen (for LCD displays)
@@ -52,10 +56,10 @@ output:X - output type. This can be any of the following: pal, ntsc, and
X11
===
-XF86_FBDev should work, in theory. At the time of this writing it is
-totally untested and may or may not even portray the beginnings of
-working. If you end up testing this, please let me know!
+XF86_FBDev has been shown to work on the Dreamcast in the past - though not yet
+on any 2.6 series kernel.
--
Paul Mundt <lethal@linuxdc.org>
+Updated by Adrian McMenamin <adrian@mcmen.demon.co.uk>