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pvr2fb: update Documentation/fb/pvr2fb.txt

Browse source 
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>
This commit is contained in:
Adrian McMenamin 2007-08-10 13:00:48 -07:00 committed by Linus Torvalds
parent 306c869c23
commit acb7386532
1 changed files with 13 additions and 9 deletions
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22
Documentation/fb/pvr2fb.txt
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@ -9,14 +9,13 @@ one found in the Dreamcast.
Advantages: Advantages:
* It provides a nice large console (128 cols + 48 lines with 1024x768) * 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 * You can run XF86_FBDev on top of /dev/fb0
* Most important: boot logo :-) * Most important: boot logo :-)
Disadvantages: Disadvantages:
* Driver is currently limited to the Dreamcast PowerVR 2 implementation * Driver is largely untested on non-Dreamcast systems.
at the time of this writing.
Configuration Configuration
============= =============
@ -29,11 +28,16 @@ Accepted options:
font:X - default font to use. All fonts are supported, including the font:X - default font to use. All fonts are supported, including the
SUN12x22 font which is very nice at high resolutions. 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 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) 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 X11
=== ===
XF86_FBDev should work, in theory. At the time of this writing it is XF86_FBDev has been shown to work on the Dreamcast in the past - though not yet
totally untested and may or may not even portray the beginnings of on any 2.6 series kernel.
working. If you end up testing this, please let me know!
-- --
Paul Mundt <lethal@linuxdc.org> Paul Mundt <lethal@linuxdc.org>
Updated by Adrian McMenamin <adrian@mcmen.demon.co.uk>