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Chris Wilson 9d3f8d2ff7 drm/i915: Be defensive and don't assume PSR has any commit to sync against 
If the previous modeset commit has completed and is no longer part of
the crtc state, skip waiting for it.

Ville pointed out that, in fact, the commit is never removed after a
modeset so the only way we could see a NULL here should be if there was
never a commit attached. Nevertheless, we have the evidence it can be
NULL and it has been defended against elsewhere, for example commit
93313538c153 ("drm/i915: Pass idle crtc_state to intel_dp_sink_crc").

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107792
Fixes: c44301fce614 ("drm/i915: Allow control of PSR at runtime through debugfs, v6")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180904162902.2578-1-chris@chris-wilson.co.uk
2018-09-04 21:21:50 +01:00
..
accessibility
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acpi
acpi: Add helper for deactivating memory region
2018-06-25 21:30:12 +08:00
amba
Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
2018-06-06 13:49:25 -07:00
android
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
ata
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
atm
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
auxdisplay
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
base
PM / Domains: Rename opp_node to np
2018-06-25 09:41:37 +02:00
bcma
dma-mapping updates for 4.18:
2018-06-04 10:58:12 -07:00
block
for-linus-20180629
2018-06-30 10:47:46 -07:00
bluetooth
bluetooth: hci_nokia: Don't include linux/unaligned/le_struct.h directly.
2018-06-17 08:38:55 +09:00
bus
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
cdrom
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
char
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
clk
docs: Fix some broken references
2018-06-15 18:10:01 -03:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-24 19:16:42 +08:00
connector
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-06-06 18:39:49 -07:00
cpufreq
cpufreq: qcom-kryo: Fix error handling in probe()
2018-06-24 23:00:36 +02:00
cpuidle
powerpc updates for 4.18
2018-06-07 10:23:33 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2018-06-24 06:31:54 +08:00
dax
dax: check for QUEUE_FLAG_DAX in bdev_dax_supported()
2018-06-28 16:06:08 -04:00
dca
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devfreq
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
dio
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dma
fix a series of Documentation/ broken file name references
2018-06-15 18:10:01 -03:00
dma-buf
dma-buf: Move BUG_ON from _add_shared_fence to _add_shared_inplace
2018-07-16 20:20:37 +05:30
edac
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
eisa
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extcon
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
firewire
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
firmware
efi/libstub/tpm: Initialize efi_physical_addr_t vars to zero for mixed mode
2018-06-22 10:58:27 +02:00
fmc
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
fpga
fpga: clarify that unregister functions also free
2018-05-25 18:23:56 +02:00
fsi
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gpio
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
gpu
drm/i915: Be defensive and don't assume PSR has any commit to sync against
2018-09-04 21:21:50 +01:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
2018-06-20 16:42:39 +09:00
hsi
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hv
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
hwmon
hwmon: (nct6775) Fix loop limit
2018-06-16 16:40:36 -07:00
hwspinlock
hwspinlock updates for v4.18
2018-06-11 12:09:19 -07:00
hwtracing
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
i2c
i2c: gpio: initialize SCL to HIGH again
2018-06-29 08:23:12 +02:00
ide
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
idle
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iio
iio: imu: inv_mpu6050: Fix probe() failure on older ACPI based machines
2018-06-24 14:50:52 +01:00
infiniband
4.18-rc
2018-06-21 07:22:30 +09:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2018-06-27 09:16:53 -07:00
iommu
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
ipack
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
irqchip
irqchip/gic-v3-its: Fix reprogramming of redistributors on CPU hotplug
2018-06-22 14:22:02 +02:00
isdn
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
leds
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
lightnvm
for-linus-20180623
2018-06-24 06:33:54 +08:00
macintosh
powerpc updates for 4.18
2018-06-07 10:23:33 -07:00
mailbox
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
mcb
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md
dm: prevent DAX mounts if not supported
2018-06-28 16:06:14 -04:00
media
drm-misc-next for 4.19:
2018-06-22 12:58:08 +10:00
memory
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
memstick
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
message
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
mfd
Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2018-06-14 16:21:46 +09:00
misc
Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2018-06-14 16:21:46 +09:00
mmc
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
mtd
mtd: rawnand: denali_dt: set clk_x_rate to 200 MHz unconditionally
2018-06-22 18:47:56 +02:00
mux
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net
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
nfc
NFC: pn533: Fix wrong GFP flag usage
2018-06-25 21:36:45 +08:00
ntb
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
nubus
Char/Misc driver patches for 4.18-rc1
2018-06-05 16:20:22 -07:00
nvdimm
pmem: only set QUEUE_FLAG_DAX for fsdax mode
2018-06-28 16:05:59 -04:00
nvme
nvme-rdma: fix possible double free of controller async event buffer
2018-06-28 16:29:54 +02:00
nvmem
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
of
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
opp
PM / OPP: Update voltage in case freq == old_freq
2018-06-19 15:53:32 +05:30
oprofile
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
parisc
dma-mapping updates for 4.18:
2018-06-04 10:58:12 -07:00
parport
docs: Fix some broken references
2018-06-15 18:10:01 -03:00
pci
PCI: Export pcie_get_speed_cap and pcie_get_width_cap
2018-07-05 16:39:59 -05:00
pcmcia
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
perf
drivers/perf: xgene_pmu: Fix IOB SLOW PMU parser error
2018-06-18 17:48:42 +01:00
phy
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-06-06 18:39:49 -07:00
pinctrl
pinctrl: mt7622: fix a kernel panic when pio don't work as EINT controller
2018-06-18 07:55:57 +02:00
platform
fix a series of Documentation/ broken file name references
2018-06-15 18:10:01 -03:00
pnp
media updates for v4.18-rc1
2018-06-07 12:34:37 -07:00
power
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
powercap
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
pps
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ps3
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ptp
ptp: replace getnstimeofday64() with ktime_get_real_ts64()
2018-06-20 07:59:53 +09:00
pwm
pwm: Changes for v4.18-rc1
2018-06-14 16:25:43 +09:00
rapidio
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
ras
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regulator
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
remoteproc
treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX
2018-06-15 07:55:25 +09:00
reset
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
rpmsg
rpmsg: smd: do not use mananged resources for endpoints and channels
2018-06-04 12:35:03 -07:00
rtc
- New Device Support
2018-06-11 07:20:17 -07:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2018-06-19 07:44:51 +09:00
sbus
fix a series of Documentation/ broken file name references
2018-06-15 18:10:01 -03:00
scsi
SCSI fixes on 20180627
2018-06-27 09:42:16 -07:00
sfi
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sh
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
siox
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slimbus
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
sn
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soc
Qualcomm Fixes for v4.18-rc2
2018-06-26 10:42:31 -07:00
soundwire
docs: Fix more broken references
2018-06-15 18:11:26 -03:00
spi
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
spmi
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ssb
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staging
drm: drop _mode_ from drm_mode_connector_attach_encoder
2018-07-13 18:40:27 +02:00
target
scsi: target: tcmu: add read length support
2018-06-18 21:02:52 -04:00
tc
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tee
drm-misc-next for 4.19:
2018-06-22 12:58:08 +10:00
thermal
- Error path bug fix for overflow tests (Dan)
2018-06-12 18:28:00 -07:00
thunderbolt
thunderbolt: Handle NULL boot ACL entries properly
2018-05-15 18:02:00 +02:00
tty
vt: prevent leaking uninitialized data to userspace via /dev/vcs*
2018-06-28 21:34:39 +09:00
uio
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
usb
USB-serial fixes for v4.18-rc3
2018-06-28 19:19:10 +09:00
uwb
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
vfio
VFIO updates for v4.18
2018-06-12 13:11:26 -07:00
vhost
vhost_net: validate sock before trying to put its fd
2018-06-23 10:23:49 +09:00
video
console: dummycon: export dummycon_[un]register_output_notifier
2018-06-29 11:46:19 +02:00
virt
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
virtio
virtio, vhost: features, fixes
2018-06-16 06:35:02 +09:00
visorbus
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vlynq
…
vme
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w1
Char/Misc driver patches for 4.18-rc1
2018-06-05 16:20:22 -07:00
watchdog
MIPS changes for 4.18
2018-06-12 12:56:02 -07:00
xen
xen: fixes for 4.18-rc2
2018-06-23 20:44:11 +08:00
zorro
- Introduce arithmetic overflow test helper functions (Rasmus)
2018-06-06 17:27:14 -07:00
Kconfig
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Makefile
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