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Fixed MTP to work with TWRP
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72
Documentation/fb/aty128fb.txt
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72
Documentation/fb/aty128fb.txt
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[This file is cloned from VesaFB/matroxfb]
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What is aty128fb?
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=================
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This is a driver for a graphic framebuffer for ATI Rage128 based devices
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on Intel and PPC boxes.
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Advantages:
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* It provides a nice large console (128 cols + 48 lines with 1024x768)
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without using tiny, unreadable fonts.
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* You can run XF68_FBDev on top of /dev/fb0
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* Most important: boot logo :-)
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Disadvantages:
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* graphic mode is slower than text mode... but you should not notice
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if you use same resolution as you used in textmode.
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* still experimental.
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How to use it?
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==============
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Switching modes is done using the video=aty128fb:<resolution>... modedb
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boot parameter or using `fbset' program.
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See Documentation/fb/modedb.txt for more information on modedb
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resolutions.
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You should compile in both vgacon (to boot if you remove your Rage128 from
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box) and aty128fb (for graphics mode). You should not compile-in vesafb
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unless you have primary display on non-Rage128 VBE2.0 device (see
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Documentation/fb/vesafb.txt for details).
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X11
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===
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XF68_FBDev should generally work fine, but it is non-accelerated. As of
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this document, 8 and 32bpp works fine. There have been palette issues
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when switching from X to console and back to X. You will have to restart
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X to fix this.
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Configuration
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=============
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You can pass kernel command line options to vesafb with
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`video=aty128fb:option1,option2:value2,option3' (multiple options should
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be separated by comma, values are separated from options by `:').
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Accepted options:
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noaccel - do not use acceleration engine. It is default.
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accel - use acceleration engine. Not finished.
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vmode:x - chooses PowerMacintosh video mode <x>. Deprecated.
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cmode:x - chooses PowerMacintosh colour mode <x>. Deprecated.
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<XxX@X> - selects startup videomode. See modedb.txt for detailed
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explanation. Default is 640x480x8bpp.
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Limitations
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===========
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There are known and unknown bugs, features and misfeatures.
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Currently there are following known bugs:
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+ This driver is still experimental and is not finished. Too many
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bugs/errata to list here.
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--
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Brad Douglas <brad@neruo.com>
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