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| -rw-r--r-- | Documentation/fb/intelfb.rst (renamed from Documentation/fb/intelfb.txt) | 62 |
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diff --git a/Documentation/fb/intelfb.txt b/Documentation/fb/intelfb.rst index feac4e4d6968..e2d0903f4efb 100644 --- a/Documentation/fb/intelfb.txt +++ b/Documentation/fb/intelfb.rst @@ -1,24 +1,28 @@ +============================================================= Intel 830M/845G/852GM/855GM/865G/915G/945G Framebuffer driver -================================================================ +============================================================= A. Introduction - This is a framebuffer driver for various Intel 8xx/9xx compatible +=============== + +This is a framebuffer driver for various Intel 8xx/9xx compatible graphics devices. These would include: - Intel 830M - Intel 845G - Intel 852GM - Intel 855GM - Intel 865G - Intel 915G - Intel 915GM - Intel 945G - Intel 945GM - Intel 945GME - Intel 965G - Intel 965GM + - Intel 830M + - Intel 845G + - Intel 852GM + - Intel 855GM + - Intel 865G + - Intel 915G + - Intel 915GM + - Intel 945G + - Intel 945GM + - Intel 945GME + - Intel 965G + - Intel 965GM B. List of available options +============================= a. "video=intelfb" enables the intelfb driver @@ -39,12 +43,12 @@ B. List of available options (default = 4 MB) d. "voffset=<value>" - select at what offset in MB of the logical memory to allocate the + select at what offset in MB of the logical memory to allocate the framebuffer memory. The intent is to avoid the memory blocks used by standard graphics applications (XFree86). Depending on your - usage, adjust the value up or down, (0 for maximum usage, 63/127 MB - for the least amount). Note, an arbitrary setting may conflict - with XFree86. + usage, adjust the value up or down, (0 for maximum usage, 63/127 MB + for the least amount). Note, an arbitrary setting may conflict + with XFree86. Recommendation: do not set (default = 48 MB) @@ -80,18 +84,19 @@ B. List of available options The default parameter (not named) is the mode. C. Kernel booting +================= Separate each option/option-pair by commas (,) and the option from its value -with an equals sign (=) as in the following: +with an equals sign (=) as in the following:: -video=intelfb:option1,option2=value2 + video=intelfb:option1,option2=value2 Sample Usage ------------ -In /etc/lilo.conf, add the line: +In /etc/lilo.conf, add the line:: -append="video=intelfb:mode=800x600-32@75,accel,hwcursor,vram=8" + append="video=intelfb:mode=800x600-32@75,accel,hwcursor,vram=8" This will initialize the framebuffer to 800x600 at 32bpp and 75Hz. The framebuffer will use 8 MB of System RAM. hw acceleration of text and cursor @@ -106,8 +111,9 @@ in this directory. D. Module options +================== - The module parameters are essentially similar to the kernel +The module parameters are essentially similar to the kernel parameters. The main difference is that you need to include a Boolean value (1 for TRUE, and 0 for FALSE) for those options which don't need a value. @@ -116,23 +122,24 @@ Example, to enable MTRR, include "mtrr=1". Sample Usage ------------ -Using the same setup as described above, load the module like this: +Using the same setup as described above, load the module like this:: modprobe intelfb mode=800x600-32@75 vram=8 accel=1 hwcursor=1 -Or just add the following to a configuration file in /etc/modprobe.d/ +Or just add the following to a configuration file in /etc/modprobe.d/:: options intelfb mode=800x600-32@75 vram=8 accel=1 hwcursor=1 -and just do a +and just do a:: modprobe intelfb E. Acknowledgment: +=================== 1. Geert Uytterhoeven - his excellent howto and the virtual - framebuffer driver code made this possible. + framebuffer driver code made this possible. 2. Jeff Hartmann for his agpgart code. @@ -145,5 +152,4 @@ E. Acknowledgment: 6. Andrew Morton for his kernel patches maintenance. -########################### Sylvain |