Gestionnaire de fichiers - Editer - /usr/lib64/pm-utils/sleep.d/99video
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#!/bin/sh # # Copyright 2006-2007 Richard Hughes <richard@hughsie.com> # Copyright 2007 Peter Jones <pjones@redhat.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 # published by the Free Software Foundation. # Handle video quirks. If you are having suspend/resume issues, # troubleshooting using this hook is probably the best place to start. # If it weren't for video card quirks, suspend/resume on Linux would be # a whole lot more stable. . "${PM_FUNCTIONS}" for opt in $PM_CMDLINE; do case "${opt##--quirk-}" in # just quirks, please dpms-on) QUIRK_DPMS_ON="true" ;; dpms-suspend) QUIRK_DPMS_SUSPEND="true" ;; radeon-off) QUIRK_RADEON_OFF="true" ;; reset-brightness) QUIRK_RESET_BRIGHTNESS="true" ;; s3-bios) QUIRK_S3_BIOS="true" ;; s3-mode) QUIRK_S3_MODE="true" ;; vbe-post) QUIRK_VBE_POST="true" ;; vbemode-restore) QUIRK_VBEMODE_RESTORE="true" ;; vbestate-restore) QUIRK_VBESTATE_RESTORE="true" ;; vga-mode-3) QUIRK_VGA_MODE_3="true" ;; no-fb) QUIRK_NOFB="true" ;; save-pci) QUIRK_SAVE_PCI="true" ;; no-chvt) QUIRK_NO_CHVT="true" ;; none) QUIRK_NONE="true" ;; *) continue ;; esac done reset_brightness() { for bl in /sys/class/backlight/* ; do [ -f "$bl/brightness" ] || continue BR="$(cat $bl/brightness)" echo 0 > "$bl/brightness" echo "$BR" > "$bl/brightness" done } if command_exists vbetool; then vbe() { vbetool "$@"; } else vbe() { echo "vbetool not installed!" 1>&2; return 1; } fi if command_exists radeontool; then radeon() { radeontool "$@"; } else radeon() { echo "radeontool not found" 1>&2; return 1; } fi die_if_framebuffer() { [ -d "/sys/class/graphics/fb0" ] || return echo "--quirk-no-fb passed, but system is using a framebuffer." echo "Aborting." exit 1 } save_fbcon() { local con for con in /sys/class/graphics/*/state; do [ -f $con ] || continue echo 1 >"${con}" done } resume_fbcon() { local con for con in /sys/class/graphics/*/state; do [ -f $con ] || continue echo 0 >"${con}" done } maybe_chvt() { is_set "$QUIRK_NO_CHVT" && return fgconsole |savestate console chvt 63 } maybe_deallocvt() { state_exists console || return 0 chvt $(restorestate console) deallocvt 63 } # Some tiny helper functions for quirk handling quirk() { is_set "$1" && [ -z $QUIRK_NONE ]; } # save/restore vbe state vbe_savestate() { vbe vbestate save |savestate vbestate; } vbe_restorestate() { restorestate vbestate |vbe vbestate restore; } # save/restore the vbe mode vbe_savemode() { vbe vbemode get |savestate vbemode; } vbe_restoremode() { # this is a little mode complicated to handle special-casing mode 3. local vbemode=$(restorestate vbemode) if [ "$vbemode" = "3" ]; then vbe vgamode set $vbemode else vbe vbemode set $vbemode fi } # post the video card vbe_post() { local rom="/var/run/video.rom" # if we do not have a romfile, do not post with it. [ -f "$rom" ] || unset rom vbe post $rom sleep 0.1 } # turn critical bits of radeon cards off/on radeon_off() { radeon dac off; radeon light off; } radeon_on() { radeon dac on; radeon light on; } # save and restore video card PCI config state save_pci() { local pci="/sys/bus/pci/devices" for dev in "${pci}"/*; do [ -f "${dev}/class" ] || continue [ $(cat "${dev}/class") = "0x030000" ] || continue [ -f "${dev}/config" ] || continue # it is a video card, it has a configuration. Save it. savestate "pci_video_${dev##*/}" <${dev}/config done } restore_pci() { local pci="/sys/bus/pci/devices" for dev in "${pci}"/*; do state_exists "pci_video_${dev##*/}" || continue restorestate "pci_video_${dev##*/}" > "${dev}/config" done } suspend_video() { # 0=nothing, 1=s3_bios, 2=s3_mode, 3=both local acpi_flag=0 quirk "${QUIRK_S3_BIOS}" && acpi_flag=$(($acpi_flag + 1)) quirk "${QUIRK_S3_MODE}" && acpi_flag=$(($acpi_flag + 2)) sysctl -w kernel.acpi_video_flags=$acpi_flag quirk "${QUIRK_NOFB}" && die_if_framebuffer quirk "${QUIRK_VBESTATE_RESTORE}" && vbe_savestate quirk "${QUIRK_VBEMODE_RESTORE}" && vbe_savemode quirk "${QUIRK_RADEON_OFF}" && radeon_off quirk "${QUIRK_SAVE_PCI}" && save_pci quirk "${QUIRK_VGA_MODE_3}" && vbe vbemode set 3 quirk "${QUIRK_DPMS_SUSPEND}" && vbe dpms suspend save_fbcon } resume_video() { # We might need to do one or many of these quirks quirk "${QUIRK_SAVE_PCI}" && restore_pci quirk "${QUIRK_VBE_POST}" && vbe_post quirk "${QUIRK_VBESTATE_RESTORE}" && vbe_restorestate quirk "${QUIRK_VBEMODE_RESTORE}" && vbe_restoremode resume_fbcon # also should be handled by a quirk. quirk "${QUIRK_RADEON_OFF}" && radeon_on quirk "${QUIRK_DPMS_ON}" && vbe dpms on quirk "${QUIRK_RESET_BRIGHTNESS}" && reset_brightness return 0 # avoid spurious hook exit failure message. } help() { echo # first echo makes it look nicer. echo "Video quirk handler options:" echo echo " --quirk-dpms-on" echo " --quirk-dpms-suspend" echo " --quirk-radeon-off" echo " --quirk-reset-brightness" echo " --quirk-s3-bios" echo " --quirk-s3-mode" echo " --quirk-vbe-post" echo " --quirk-vbemode-restore" echo " --quirk-vbestate-restore" echo " --quirk-vga-mode-3" echo " --quirk-none" } case "$1" in suspend) maybe_chvt; suspend_video ;; hibernate) maybe_chvt if is_set "$HIBERNATE_RESUME_POST_VIDEO"; then suspend_video fi ;; resume) resume_video; maybe_deallocvt;; thaw) if is_set "${HIBERNATE_RESUME_POST_VIDEO}"; then resume_video fi maybe_deallocvt ;; help) help ;; esac
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