Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542

[sfrench/cifs-2.6.git] / Documentation / power / video.txt

diff --git a/Documentation/power/video.txt b/Documentation/power/video.txt
index 7a4a5036d123515d0aced385ab21b427a3de3089..526d6dd267ea8e38f319c30de9f6accf2967327f 100644 (file)
--- a/Documentation/power/video.txt
+++ b/Documentation/power/video.txt
@@ -46,6 +46,12 @@ There are a few types of systems where video works after S3 resume:
   POSTing bios works. Ole Rohne has patch to do just that at
   http://dev.gentoo.org/~marineam/patch-radeonfb-2.6.11-rc2-mm2.
 
+(8) on some systems, you can use the video_post utility mentioned here:
+  http://bugzilla.kernel.org/show_bug.cgi?id=3670. Do echo 3 > /sys/power/state
+  && /usr/sbin/video_post - which will initialize the display in console mode.
+  If  you are in X, you can switch to a virtual terminal and back to X using
+  CTRL+ALT+F1 - CTRL+ALT+F7 to get the display working in graphical mode again.
+
 Now, if you pass acpi_sleep=something, and it does not work with your
 bios, you'll get a hard crash during resume. Be careful. Also it is
 safest to do your experiments with plain old VGA console. The vesafb
@@ -64,7 +70,8 @@ Model                           hack (or "how to do it")
 ------------------------------------------------------------------------------
 Acer Aspire 1406LC             ole's late BIOS init (7), turn off DRI
 Acer TM 242FX                  vbetool (6)
-Acer TM C300                    vga=normal (only suspend on console, not in X), vbetool (6)
+Acer TM C110                   video_post (8)
+Acer TM C300                    vga=normal (only suspend on console, not in X), vbetool (6) or video_post (8)
 Acer TM 4052LCi                        s3_bios (2)
 Acer TM 636Lci                 s3_bios vga=normal (2)
 Acer TM 650 (Radeon M7)                vga=normal plus boot-radeon (5) gets text console back
@@ -113,6 +120,7 @@ IBM ThinkPad T42p (2373-GTG)        s3_bios (2)
 IBM TP X20                     ??? (*)
 IBM TP X30                     s3_bios (2)
 IBM TP X31 / Type 2672-XXH      none (1), use radeontool (http://fdd.com/software/radeon/) to turn off backlight.
+IBM TP X32                     none (1), but backlight is on and video is trashed after long suspend
 IBM Thinkpad X40 Type 2371-7JG  s3_bios,s3_mode (4)
 Medion MD4220                  ??? (*)
 Samsung P35                    vbetool needed (6)