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Commit acb73865 authored by Adrian McMenamin's avatar Adrian McMenamin Committed by Linus Torvalds
Browse files

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: default avatarAntonino Daplas <adaplas@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 306c869c

Documentation/fb/pvr2fb.txt

+13 −9
Original line number Diff line number Diff line
@@ -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>