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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-30 00:40:27 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-30 00:40:27 +0400 |
| commit | c1b054d03f5b31c33eaa0b267c629b118eaf3790 (patch) | |
| tree | 9333907ca767be24fcb3667877242976c3e3c8dd /Documentation/fb/vesafb.txt | |
| parent | 559fb51ba7e66fe298b8355fabde1275b7def35f (diff) | |
| parent | bf4e70e54cf31dcca48d279c7f7e71328eebe749 (diff) | |
| download | linux-c1b054d03f5b31c33eaa0b267c629b118eaf3790.tar.xz | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'Documentation/fb/vesafb.txt')
| -rw-r--r-- | Documentation/fb/vesafb.txt | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/fb/vesafb.txt b/Documentation/fb/vesafb.txt index 814e2f56a6ad..62db6758d1c1 100644 --- a/Documentation/fb/vesafb.txt +++ b/Documentation/fb/vesafb.txt @@ -144,7 +144,21 @@ vgapal Use the standard vga registers for palette changes. This is the default. pmipal Use the protected mode interface for palette changes. -mtrr setup memory type range registers for the vesafb framebuffer. +mtrr:n setup memory type range registers for the vesafb framebuffer + where n: + 0 - disabled (equivalent to nomtrr) + 1 - uncachable + 2 - write-back + 3 - write-combining (default) + 4 - write-through + + If you see the following in dmesg, choose the type that matches the + old one. In this example, use "mtrr:2". +... +mtrr: type mismatch for e0000000,8000000 old: write-back new: write-combining +... + +nomtrr disable mtrr vremap:n remap 'n' MiB of video RAM. If 0 or not specified, remap memory |