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Ville Syrjälä 4488496d58 drm/i915: Fix deadlock in i830_disable_pipe() 
i830_disable_pipe() gets called from the power well code, and thus
we're already holding the power domain mutex. That means we can't
call plane->get_hw_state() as it will also try to grab the
same mutex and will thus deadlock.

Replace the assert_plane() calls (which calls ->get_hw_state()) with
just raw register reads in i830_disable_pipe(). As a bonus we can
now get a warning if plane C is enabled even though we don't even
expose it as a drm plane.

v2: Do a separate WARN_ON() for each plane (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: d87ce7640295 ("drm/i915: Add .get_hw_state() method for planes")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171129125411.29055-1-ville.syrjala@linux.intel.com
(cherry picked from commit 5816d9cbc0a0fbf232fe297cefcb85361a3cde90)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2018-01-15 16:46:33 +02:00
..
accessibility
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
acpi
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2017-12-23 13:47:22 -08:00
amba
A couple of dma-mapping updates:
2017-11-14 16:54:12 -08:00
android
binder: fix proc->files use-after-free
2017-12-18 15:47:12 +01:00
ata
libata: sata_down_spd_limit should return if driver has not recorded sstatus speed
2017-12-04 13:57:03 -08:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-29 13:10:25 -08:00
auxdisplay
auxdisplay: img-ascii-lcd: Only build on archs that have IOMEM
2017-11-27 12:36:45 -08:00
base
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-01-14 09:51:25 -08:00
bcma
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
block
Two rbd fixes for 4.12 and 4.2 issues respectively, marked for stable.
2018-01-11 16:57:32 -08:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
bus
Allwinner fixes for 4.15
2018-01-04 17:06:25 +01:00
cdrom
Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block
2017-11-14 15:32:19 -08:00
char
The big changes for IPMI that just went in had a few problems. These
2017-12-11 17:01:59 -08:00
clk
clk: use atomic runtime pm api in clk_core_is_enabled
2017-12-26 17:34:03 -08:00
clocksource
- final batch of "non trivial" timer conversions (multi-tree dependencies,
2017-11-23 16:29:05 +01:00
connector
…
cpufreq
cpufreq: governor: Ensure sufficiently large sampling intervals
2017-12-18 12:09:39 +01:00
cpuidle
powerpc updates for 4.15
2017-11-16 12:47:46 -08:00
crypto
crypto: inside-secure - do not use areq->result for partial results
2017-12-22 19:48:01 +11:00
dax
device-dax: implement ->split() to catch invalid munmap attempts
2017-11-29 18:40:42 -08:00
dca
…
devfreq
Merge branches 'pm-devfreq' and 'pm-tools'
2017-11-13 01:41:39 +01:00
dio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dma
dmaengine: fsl-edma: disable clks on all error paths
2017-12-15 09:53:04 +05:30
dma-buf
Tracing updates for 4.15:
2017-11-17 14:58:01 -08:00
edac
Modules updates for v4.15
2017-11-15 13:46:33 -08:00
eisa
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
extcon
USB/PHY patches for 4.15-rc1
2017-11-13 21:14:07 -08:00
firewire
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-13 17:56:58 -08:00
firmware
efi/capsule-loader: Reinstate virtual capsule mapping
2018-01-03 13:54:31 +01:00
fmc
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fpga
Char/Misc patches for 4.15-rc1
2017-11-16 09:10:59 -08:00
fsi
…
gpio
gpio: Add missing open drain/source handling to gpiod_set_value_cansleep()
2018-01-10 14:17:17 +01:00
gpu
drm/i915: Fix deadlock in i830_disable_pipe()
2018-01-15 16:46:33 +02:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
2017-12-30 10:16:51 -08:00
hsi
HSI changes for the v4.15 series
2017-11-15 13:35:43 -08:00
hv
vmbus: unregister device_obj->channels_kset
2017-12-18 15:47:12 +01:00
hwmon
hwmon: Deal with errors from the thermal subsystem
2017-12-26 11:53:24 -08:00
hwspinlock
hwspinlock update for v4.15
2017-11-17 20:16:20 -08:00
hwtracing
tracing: Pass export pointer as argument to ->write()
2017-12-04 07:14:30 -05:00
i2c
i2c: piix4: Fix port number check on release
2017-12-12 23:27:04 +01:00
ide
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
2017-11-19 08:04:41 -10:00
idle
Merge branch 'pm-cpuidle'
2017-11-13 01:34:14 +01:00
iio
iio: health: max30102: Temperature should be in milli Celsius
2017-12-02 11:15:14 +00:00
infiniband
Fourth pull request for 4.15-rc
2018-01-08 16:17:31 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2018-01-05 16:45:06 -08:00
iommu
iommu/arm-smmu-v3: Cope with duplicated Stream IDs
2018-01-02 16:45:51 +00:00
ipack
…
irqchip
genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
2017-12-29 21:13:04 +01:00
isdn
treewide: setup_timer() -> timer_setup() (2 field)
2017-11-21 15:57:09 -08:00
leds
leds: core: Fix regression caused by commit 2b83ff96f51d
2018-01-07 13:27:07 +01:00
lightnvm
lightnvm: Convert timers to use timer_setup()
2017-11-21 15:46:44 -08:00
macintosh
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-13 17:56:58 -08:00
mailbox
Change to POLL api and fixes for FlexRM and OMAP driver
2017-11-15 13:39:18 -08:00
mcb
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
md
locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
2017-12-17 13:57:15 +01:00
media
media fixes for v4.15-rc3
2017-12-08 13:18:47 -08:00
memory
ARM: SoC driver updates for v4.15
2017-11-16 16:05:01 -08:00
memstick
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
message
Modules updates for v4.15
2017-11-15 13:46:33 -08:00
mfd
mfd: rtsx: Release IRQ during shutdown
2018-01-05 11:14:57 +00:00
misc
Merge branch 'WIP.x86-pti.base.prep-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-12-17 13:54:31 -08:00
mmc
mmc: s3mci: mark debug_regs[] as static
2018-01-04 12:42:31 +01:00
mtd
mtd: nand: pxa3xx: Fix READOOB implementation
2018-01-06 23:06:58 +01:00
mux
mux: core: fix double get_device()
2018-01-09 14:19:41 +01:00
net
mlxsw: spectrum_qdisc: Don't use variable array in mlxsw_sp_tclass_congestion_enable
2018-01-10 15:58:23 -05:00
nfc
treewide: setup_timer() -> timer_setup() (2 field)
2017-11-21 15:57:09 -08:00
ntb
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
nubus
m68k updates for 4.15
2017-11-13 12:10:24 -08:00
nvdimm
libnvdimm, btt: Fix an incompatibility in the log layout
2017-12-21 14:59:27 -08:00
nvme
nvme-fabrics: initialize default host->id in nvmf_host_default()
2018-01-08 10:52:03 +01:00
nvmem
nvmem: meson-mx-efuse: fix reading from an offset other than 0
2017-12-23 16:46:23 +01:00
of
of_mdio: avoid MDIO bus removal when a PHY is missing
2018-01-10 15:07:47 -05:00
opp
…
oprofile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
parisc
parisc: Show unhashed EISA EEPROM address
2018-01-02 21:01:02 +01:00
parport
Char/Misc patches for 4.15-rc1
2017-11-16 09:10:59 -08:00
pci
Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-12-31 13:13:56 -08:00
pcmcia
drivers/pcmcia/sa1111_badge4.c: avoid unused function warning
2017-11-17 16:10:04 -08:00
perf
arm64 updates for 4.15
2017-11-15 10:56:56 -08:00
phy
phy: rcar-gen3-usb2: select USB_COMMON
2017-12-15 16:00:41 +05:30
pinctrl
genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
2017-12-29 21:13:04 +01:00
platform
platform/x86: wmi: Call acpi_wmi_init() later
2018-01-08 10:47:48 -08:00
pnp
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
power
power supply and reset changes for the v4.15 series
2017-11-15 13:37:15 -08:00
powercap
…
pps
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
ps3
…
ptp
xen: features and fixes for v4.15-rc1
2017-11-16 13:06:27 -08:00
pwm
pwm: Changes for v4.15-rc1
2017-11-22 21:09:18 -10:00
rapidio
Merge branch 'akpm' (patches from Andrew)
2017-11-17 16:56:17 -08:00
ras
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-13 17:56:58 -08:00
regulator
- New Drivers
2017-11-16 09:15:57 -08:00
remoteproc
remoteproc updates for v4.15
2017-11-17 20:14:10 -08:00
reset
ARM: SoC driver updates for v4.15
2017-11-16 16:05:01 -08:00
rpmsg
rpmsg updates for v4.15
2017-11-17 20:12:08 -08:00
rtc
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-25 08:37:16 -10:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2018-01-05 12:17:33 -08:00
sbus
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
2017-11-17 20:21:44 -08:00
scsi
SCSI fixes on 20171230
2017-12-30 14:31:30 -08:00
sfi
…
sh
A couple of dma-mapping updates:
2017-11-14 16:54:12 -08:00
sn
…
soc
meson-gx-socinfo: Fix package id parsing
2017-11-30 15:29:44 -08:00
spi
Merge remote-tracking branches 'spi/fix/armada', 'spi/fix/atmel', 'spi/fix/doc', 'spi/fix/imx', 'spi/fix/rspi', 'spi/fix/sun4i' and 'spi/fix/xilinx' into spi-linus
2017-12-19 11:07:00 +00:00
spmi
…
ssb
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
staging
staging: android: ashmem: fix a race condition in ASHMEM_SET_SIZE ioctl
2018-01-09 15:32:11 +01:00
target
block: fix blk_rq_append_bio
2017-12-18 13:55:43 -07:00
tc
…
tee
optee: fix invalid of_node_put() in optee_driver_init()
2017-11-29 10:24:57 +01:00
thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2017-11-17 14:31:27 -08:00
thunderbolt
thunderbolt: Mask ring interrupt properly when polling starts
2017-12-16 16:37:51 +01:00
tty
n_tty: fix EXTPROC vs ICANON interaction with TIOCINQ (aka FIONREAD)
2017-12-21 11:19:22 +01:00
uio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
usb
usb: misc: usb3503: make sure reset is low for at least 100us
2018-01-11 18:39:52 +01:00
uwb
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
vfio
VFIO Updates for Linux v4.15
2017-11-14 16:47:47 -08:00
vhost
vhost: fix skb leak in handle_rx()
2017-12-02 21:31:03 -05:00
video
fbdev changes for v4.15:
2017-11-20 21:50:24 -10:00
virt
…
virtio
virtio_mmio: fix devm cleanup
2017-12-14 21:01:40 +02:00
vlynq
…
vme
Char/Misc patches for 4.15-rc1
2017-11-16 09:10:59 -08:00
w1
Char/Misc patches for 4.15-rc1
2017-11-16 09:10:59 -08:00
watchdog
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
xen
xen: fixes for 4.15-rc8
2018-01-12 10:00:15 -08:00
zorro
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
Merge branches 'pm-cpufreq-sched' and 'pm-opp'
2017-11-13 01:40:52 +01:00
Makefile
usb: build drivers/usb/common/ when USB_SUPPORT is set
2017-11-28 15:17:49 +01:00