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3490ea5de6ac4af309c3df8a26a5cca61306334c
linux/drivers
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Chris Wilson 3490ea5de6 drm/i915: Treat crtc->mode.clock == 0 as disabled 
Prevent a divide-by-zero by consistently treating an 'active' CRTC
without a mode set as actually disabled.

This looks to have been first introduced with

commit 2492935248
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Jul 2 20:28:59 2012 +0200

    drm/i915: read out the modeset hw state at load and resume time

but then combined with

commit b0a2658acb
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Dec 18 09:37:54 2012 +0100

    drm/i915: don't disable disconnected outputs

it finally started oopsing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-01-07 17:40:19 +01:00
..
accessibility
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acpi
Merge branch 'x86-acpi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-12-14 10:03:23 -08:00
amba
Merge tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes
2012-12-17 10:04:27 -08:00
ata
Merge tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
2012-12-15 12:37:18 -08:00
atm
solos-pci: double lock in geos_gpio_store()
2012-12-21 13:14:00 -08:00
auxdisplay
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base
vfs: turn is_dir argument to kern_path_create into a lookup_flags arg
2012-12-20 18:50:02 -05:00
bcma
Merge tag 'for-linus-20121219' of git://git.infradead.org/linux-mtd
2012-12-19 12:47:41 -08:00
block
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2012-12-20 14:00:13 -08:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2012-12-12 18:07:07 -08:00
bus
ARM: OMAP: Fix drivers to depend on omap for internal devices
2012-12-16 15:23:37 -08:00
cdrom
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char
Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
2012-12-20 08:37:05 -08:00
clk
Merge tag 'for-linus-20121219' of git://git.infradead.org/linux-mtd
2012-12-19 12:47:41 -08:00
clocksource
Merge tag 'mvebu' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-14 14:54:26 -08:00
connector
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cpufreq
Merge tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2012-12-11 12:45:35 -08:00
cpuidle
Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-12 12:05:15 -08:00
crypto
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2012-12-18 09:58:09 -08:00
dca
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devfreq
Merge branch 'pm-devfreq'
2012-12-07 23:13:36 +01:00
dio
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dma
dmatest: check for dma mapping error
2012-12-17 17:15:13 -08:00
edac
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2012-12-14 14:27:45 -08:00
eisa
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extcon
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firewire
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-12-13 12:00:02 -08:00
firmware
drivers/firmware/dmi_scan.c: fetch dmi version from SMBIOS if it exists
2012-12-20 17:40:19 -08:00
gpio
gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
2012-12-19 22:15:14 +00:00
gpu
drm/i915: Treat crtc->mode.clock == 0 as disabled
2013-01-07 17:40:19 +01:00
hid
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2012-12-13 19:22:22 -08:00
hsi
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hv
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hwmon
hwmon: (emc6w201) Fix DIV_ROUND_CLOSEST problem with unsigned divisors
2012-12-22 02:16:40 -08:00
hwspinlock
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i2c
i2c: remove __dev* attributes from subsystem
2012-12-22 20:13:45 +01:00
ide
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idle
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iio
Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
2012-12-16 18:55:20 -08:00
infiniband
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
2012-12-21 16:40:26 -08:00
input
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-12-19 12:56:42 -08:00
iommu
Merge tag 'iommu-updates-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2012-12-20 10:07:25 -08:00
ipack
Merge tag 'tty-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2012-12-11 14:08:47 -08:00
irqchip
Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-14 14:42:53 -08:00
isdn
mISDN: fix race in timer canceling on module unloading
2012-12-14 13:14:07 -05:00
leds
leds: leds-gpio: set devm_gpio_request_one() flags param correctly
2013-01-02 17:58:41 -08:00
lguest
lguest: fix typo
2012-12-18 15:19:06 +10:30
macintosh
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2012-12-18 09:58:09 -08:00
md
Merge tag 'dm-3.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
2012-12-21 17:08:06 -08:00
media
Merge tag 'omap-late-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-30 09:59:21 -08:00
memory
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memstick
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message
drivers/message/fusion/mptscsih.c: missing break
2012-12-18 15:02:12 -08:00
mfd
Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-20 07:21:54 -08:00
misc
Merge git://www.linux-watchdog.org/linux-watchdog
2012-12-21 17:10:29 -08:00
mmc
Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
2012-12-16 18:55:20 -08:00
mtd
Merge tag 'upstream-3.8-rc1' of git://git.infradead.org/linux-ubi
2012-12-20 07:39:03 -08:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-12-27 10:40:30 -08:00
nfc
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nubus
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of
of: Fix export of of_find_matching_node_and_match()
2012-12-19 10:58:53 +00:00
oprofile
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parisc
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parport
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pci
PCI: Reduce Ricoh 0xe822 SD card reader base clock frequency to 50MHz
2012-12-26 10:43:06 -07:00
pcmcia
Merge tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-12 11:45:16 -08:00
pinctrl
pinctrl: exynos5440/samsung: Staticize pcfgs
2012-12-18 19:00:25 -08:00
platform
Corentin has moved
2012-12-17 17:15:14 -08:00
pnp
Merge tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2012-12-11 13:13:55 -08:00
power
Merge tag 'omap-late-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-30 09:59:21 -08:00
pps
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ps3
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ptp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2012-12-12 18:07:07 -08:00
pwm
Merge tag 'for-3.8-rc1' of git://gitorious.org/linux-pwm/linux-pwm
2012-12-19 08:19:07 -08:00
rapidio
Merge tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2012-12-11 13:13:55 -08:00
regulator
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-12-13 12:00:02 -08:00
remoteproc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-12-13 12:00:02 -08:00
rpmsg
virtio: rpmsg: make it clear that virtqueue_add_buf() no longer returns > 0
2012-12-18 15:20:36 +10:30
rtc
revert "rtc: recycle id when unloading a rtc driver"
2012-12-20 17:40:20 -08:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2012-12-13 14:20:19 -08:00
sbus
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scsi
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
2012-12-21 16:40:26 -08:00
sfi
…
sh
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sn
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spi
spi/sh-hspi: fix return value check in hspi_probe().
2012-12-19 15:11:41 +00:00
ssb
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2012-12-14 14:27:45 -08:00
staging
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-12-17 15:44:47 -08:00
target
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2012-12-15 14:25:10 -08:00
tc
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thermal
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-12-13 12:00:02 -08:00
tty
Merge branch 'omap-for-v3.8/fixes-for-merge-window' into omap-for-v3.8/fixes-for-merge-window-v2
2012-12-16 11:28:10 -08:00
uio
Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2012-12-12 12:05:15 -08:00
usb
usb: musb: use io{read,write}*_rep accessors
2012-12-17 17:15:13 -08:00
uwb
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vfio
vfio-pci: Enable device before attempting reset
2012-12-07 13:43:51 -07:00
vhost
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2012-12-15 14:25:10 -08:00
video
backlight: locomolcd: fix checkpatch error and warning
2012-12-18 15:02:11 -08:00
virt
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2012-12-18 09:58:09 -08:00
virtio
Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
2012-12-20 08:37:05 -08:00
vlynq
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vme
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w1
ARM: OMAP: Fix drivers to depend on omap for internal devices
2012-12-16 15:23:37 -08:00
watchdog
watchdog: twl4030_wdt: add DT support
2013-01-02 12:07:05 +01:00
xen
Merge tag 'stable/for-linus-3.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
2012-12-16 17:39:14 -08:00
zorro
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Kconfig
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Makefile
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