Split smart kernel video driver handling to a different hook.

The new 98-smart-kernel-video hook just disables 99video outright if we are
running a video driver that is spart enough to handle its own quirks.

1 files changed, 36 insertions, 0 deletions

diff --git a/pm/sleep.d/98smart-kernel-video b/pm/sleep.d/98smart-kernel-video
new file mode 100755
index 0000000..d638bc4
--- /dev/null
+++ b/pm/sleep.d/98smart-kernel-video
@@ -0,0 +1,36 @@
+#!/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.
+
+. "${PM_FUNCTIONS}"
+
+
+# Test to see if the kernel has a video driver that is smart enough
+# to handle quirks without external assistance.
+smart_kernel_video() 
+{
+        # If we are using an ATI or nVidia binary driver, do nothing.
+	[ -d /sys/module/nvidia -o -d /sys/module/fglrx ] && return 0;
+
+	local kernel_rev="$(uname -r |awk -F '[_-]' '{print $1}')"
+        # Intel can to the same thing, but only at or after kernel 2.6.26.
+	# FIXME: a more accurate way of testing this?
+	[ -d /sys/module/i915 ] && \
+	    [ "$kernel_rev" >= "2.6.26" ] && return 0;
+	return 1
+}
+
+case $1 in
+     suspend|hibernate) smart_kernel_video && disablehook 99video ;;
+     *) exit 0 ;;
+esac
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