linux-kernel - no video output after suspend after "drm/i915: force mode set at lid open time"

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Date:	Sun, 25 Oct 2009 21:57:32 +0100
From:	Riccardo Magliocchetti <riccardo.magliocchetti@...il.com>
To:	linux-kernel@...r.kernel.org
CC:	jbarnes@...tuousgeek.org, mjg@...hat.com, eric@...olt.net
Subject: no video output after suspend after "drm/i915: force mode set at
 lid open time"

Hello,

i lost video output, screen stays black, after suspend after commit 
c1c7af60892070e4b82ad63bbfb95ae745056de0 "drm/i915: force mode set at 
lid open time".

I'm attaching my dmesg with 2.6.32-rc5 (actually
964fe080d94db82a3268443e9b9ece4c60246414), my bisect log and my config.

git bisect response:

c1c7af60892070e4b82ad63bbfb95ae745056de0 is the first bad commit
commit c1c7af60892070e4b82ad63bbfb95ae745056de0
Author: Jesse Barnes <jbarnes@...tuousgeek.org>
Date:   Thu Sep 10 15:28:03 2009 -0700

     drm/i915: force mode set at lid open time

     Some laptop platforms will disable pipes and/or planes at lid close 
time
     and not restore them when the lid is opened again.  So catch the lid
     event, and if the lid was opened, force a mode restore.

     Fixes fdo bug #21230.

     Acked-by: Matthew Garrett <mjg@...hat.com>
     Signed-off-by: Jesse Barnes <jbarnes@...tuousgeek.org>
     Signed-off-by: Eric Anholt <eric@...olt.net>

:040000 040000 6f98ad1bbd03f11c2b9eb1db8ec9bd0f8c92596c 
e8860db5d490afe490ea66083c57a639874fcafa M      drivers

lspci output:

00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory 
Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series 
Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)
00:19.0 Ethernet controller: Intel Corporation 82567V Gigabit Network 
Connection (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 1 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 3 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller 
(rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI 
Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller 
(rev 03)
02:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
06:09.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev ba)
06:09.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro 
Host Adapter (rev 21)
06:09.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev ff)

Please CC me since i'm not subscribed.

thanks,
riccardo


View attachment "dmesg-2.6.32-rc5" of type "text/plain" (46763 bytes)

View attachment "bisect.log" of type "text/x-log" (138 bytes)

View attachment "config-2.6.32-rc5" of type "text/plain" (66460 bytes)