diff options
| -rwxr-xr-x | pm/sleep.d/98smart-kernel-video | 71 |
1 files changed, 59 insertions, 12 deletions
diff --git a/pm/sleep.d/98smart-kernel-video b/pm/sleep.d/98smart-kernel-video index 04f80f6..523244c 100755 --- a/pm/sleep.d/98smart-kernel-video +++ b/pm/sleep.d/98smart-kernel-video @@ -1,6 +1,6 @@ #!/bin/sh # -# Copyright 2008 Victor Lowther <victor.lowther@gmail.com +# Copyright 2008 Victor Lowther <victor.lowther@gmail.com> # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as @@ -11,23 +11,70 @@ # Test to see if the kernel has a video driver that is smart enough to -# handle quirks without external assistance. If it is, disable 99video. +# handle quirks without external assistance. If it is, remove the quirks. +smart_kernel_nvidia() +{ + # despite the bad rep the nvidia driver has, it is miles better than + # any other video driver when it comes to handling power managment and + # suspend/resume in a quirk-free manner. + [ -d /sys/module/nvidia ] || return 1 + remove_parameters --quirk-dpms-on \ + --quirk-dpms-suspend \ + --quirk-s3-mode \ + --quirk-s3-bios \ + --quirk-vbe-post \ + --quirk-vbe-post \ + --quirk-vga-mode3 \ + --quirk-vbemode-restore \ + --quirk-vbestate-restore \ + --quirk-reset-brightness \ + --quirk-radeon-off +} + +smart_kernel_fglrx() +{ + # the ATI driver is pretty good about it, too. + [ -d /sys/module/fglrx ] || return 1 + remove_parameters --quirk-dpms-on \ + --quirk-dpms-suspend \ + --quirk-s3-mode \ + --quirk-s3-bios \ + --quirk-vbe-post \ + --quirk-vbe-post \ + --quirk-vga-mode3 \ + --quirk-vbemode-restore \ + --quirk-vbestate-restore \ + --quirk-reset-brightness \ + --quirk-radeon-off +} + +smart_kernel_intel() +{ + # currently, intel kernel modesetting is not quite smart enough + # we still need acpi s3 kernel modesetting hooks, so don't remove those + # options if they were passed. + [ -d /sys/module/i915 ] || return 1 + + local kernel_rev="$(uname -r |awk -F '[_-]' '{print $1}')" + [ "$kernel_rev" \> "2.6.26" -o "$kernel_rev" = "2.6.26" ] || return 1 + remove_parameters --quirk-dpms-on \ + --quirk-dpms-suspend \ + --quirk-vbe-post \ + --quirk-vbe-post \ + --quirk-vga-mode3 \ + --quirk-vbemode-restore \ + --quirk-vbestate-restore \ + --quirk-reset-brightness \ + --quirk-radeon-off + smart_kernel_video() { - # If we are using an ATI or nVidia binary driver, no quirks required. - [ -d /sys/module/nvidia -o -d /sys/module/fglrx ] && return 0; - - local kernel_rev="$(uname -r |awk -F '[_-]' '{print $1}')" - # Intel at or after kernel 2.6.26 is also quirk-free. - # FIXME: a more accurate way of testing this? - [ -d /sys/module/i915 ] && \ - [ "$kernel_rev" \> "2.6.26" -o "$kernel_rev" = "2.6.26" ] && \ - return 0; + smart_kernel_nvidia || smart_kernel_fglrx || smart_kernel_intel || \ return $NA } case $1 in suspend|hibernate) - smart_kernel_video && add_parameters "--quirk-none" ;; + smart_kernel_video *) exit 0 ;; esac |