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Chris Wilson 81ff52b705 drm/i915/gt: Ratelimit display power w/a 
For very light workloads that frequently park, acquiring the display
power well (required to prevent the dmc from trashing the system) takes
longer than the execution. A good example is the igt_coherency selftest,
which is slowed down by an order of magnitude in the worst case with
powerwell cycling. To prevent frequent cycling, while keeping our fast
soft-rc6, use a timer to delay release of the display powerwell.

Fixes: 311770173fac ("drm/i915/gt: Schedule request retirement when timeline idles")
References: https://gitlab.freedesktop.org/drm/intel/issues/848
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191218093504.3477048-1-chris@chris-wilson.co.uk
2019-12-18 13:00:17 +00:00
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accessibility
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acpi
ACPI / LPSS: Rename pwm_backlight pwm-lookup to pwm_soc_backlight
2019-12-17 11:24:47 +01:00
amba
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android
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
ata
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
atm
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auxdisplay
auxdisplay: charlcd: deduplicate simple_strtoul()
2019-12-04 19:44:12 -08:00
base
ARM: SoC-related driver updates
2019-12-05 11:43:31 -08:00
bcma
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block
xen: branch for v5.5-rc1
2019-12-07 14:49:20 -08:00
bluetooth
Bluetooth: btbcm: Use the BDADDR_PROPERTY quirk
2019-11-22 13:35:20 +01:00
bus
Few ti-sysc related fixes for v5.5 merge window
2019-12-06 08:26:50 -08:00
cdrom
cdrom: respect device capabilities during opening action
2019-11-26 13:02:24 -07:00
char
drm msm + fixes for 5.5-rc1
2019-12-06 10:28:09 -08:00
clk
ARM: SoC platform updates
2019-12-05 11:38:40 -08:00
clocksource
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-12-03 12:20:25 -08:00
connector
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counter
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cpufreq
cpufreq: tegra: Changes for v5.5-rc1
2019-12-06 08:28:13 -08:00
cpuidle
cpuidle: minor Kconfig help text fixes
2019-11-29 11:49:32 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-12-02 17:23:21 -08:00
dax
libnvdimm for 5.5
2019-12-01 18:43:25 -08:00
dca
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devfreq
PM / devfreq: Add missing locking while setting suspend_freq
2019-11-29 12:50:34 +01:00
dio
…
dma
dmaengine: Fix Kconfig indentation
2019-11-22 11:16:26 +05:30
dma-buf
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
edac
EDAC/altera: Use the Altera System Manager driver
2019-11-22 10:18:29 +01:00
eisa
…
extcon
Char/Misc driver patches for 5.5-rc1
2019-11-27 10:53:50 -08:00
firewire
FireWire (IEEE 1394) subsystem updates:
2019-12-02 14:13:00 -08:00
firmware
ARM: SoC fixes
2019-12-06 14:19:37 -08:00
fpga
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fsi
…
gnss
…
gpio
gpio: pca953x: tighten up indentation
2019-12-04 19:44:14 -08:00
gpu
drm/i915/gt: Ratelimit display power w/a
2019-12-18 13:00:17 +00:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2019-12-01 18:20:54 -08:00
hsi
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hv
Merge branch 'akpm' (patches from Andrew)
2019-12-01 20:36:41 -08:00
hwmon
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
hwspinlock
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hwtracing
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
i2c
Merge branch 'i2c/for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2019-12-01 18:29:36 -08:00
i3c
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ide
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
idle
cpuidle: Drop disabled field from struct cpuidle_state
2019-11-29 11:48:39 +01:00
iio
chrome platform changes for v5.5
2019-12-03 14:37:12 -08:00
infiniband
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-04 12:27:13 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-12-07 18:33:01 -08:00
interconnect
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iommu
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
ipack
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irqchip
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
isdn
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
leds
Merge tag 'leds-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
2019-12-01 16:09:28 -08:00
lightnvm
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macintosh
powerpc updates for 5.5
2019-11-30 14:35:43 -08:00
mailbox
mailbox changes for v5.5
2019-12-01 18:42:02 -08:00
mcb
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md
block: don't handle bio based drivers in blk_revalidate_disk_zones
2019-12-03 08:51:25 -07:00
media
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
memory
memory: tegra: Fixes for v5.5-rc1
2019-12-06 08:28:51 -08:00
memstick
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
message
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mfd
mfd: intel_soc_pmic: Rename pwm_backlight pwm-lookup to pwm_pmic_backlight
2019-12-17 11:24:47 +01:00
misc
lib/genalloc.c: rename addr_in_gen_pool to gen_pool_has_addr
2019-12-04 19:44:13 -08:00
mmc
Driver core patches for 5.5-rc1
2019-11-27 11:06:20 -08:00
mtd
TTY/Serial patches for 5.5-rc1
2019-12-03 14:09:14 -08:00
mux
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net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-12-08 13:28:11 -08:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-22 16:27:24 -08:00
ntb
Add Hygon Device ID to the AMD NTB device driver
2019-12-07 18:38:17 -08:00
nubus
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nvdimm
libnvdimm for 5.5
2019-12-01 18:43:25 -08:00
nvme
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
nvmem
ARM: SoC-related driver updates
2019-12-05 11:43:31 -08:00
of
Devicetree updates for v5.5:
2019-12-02 11:41:35 -08:00
opp
…
oprofile
Printk changes for 5.5
2019-11-25 19:40:40 -08:00
parisc
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parport
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pci
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
pcmcia
pcmcia: remove unused dprintk definition
2019-11-22 07:03:45 +01:00
perf
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phy
ARM: SoC-related driver updates
2019-12-05 11:43:31 -08:00
pinctrl
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-12-03 09:29:50 -08:00
platform
chrome platform changes for v5.5
2019-12-03 14:37:12 -08:00
pnp
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power
Additional power management updates for 5.5-rc1
2019-12-04 10:48:09 -08:00
powercap
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pps
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ps3
…
ptp
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pwm
pwm: Changes for v5.5-rc1
2019-12-05 11:28:14 -08:00
rapidio
drivers/rapidio/rio-access.c: fix missing include of <linux/rio_drv.h>
2019-12-04 19:44:13 -08:00
ras
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regulator
Merge branch 'regulator-5.5' into regulator-next
2019-11-22 19:56:20 +00:00
remoteproc
remoteproc: stm32: fix probe error case
2019-11-18 20:35:16 -08:00
reset
ARM: SoC-related driver updates
2019-12-05 11:43:31 -08:00
rpmsg
rpmsg updates for v5.5
2019-12-01 18:39:24 -08:00
rtc
RTC for 5.5
2019-12-03 13:31:08 -08:00
s390
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-12-08 13:28:11 -08:00
sbus
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scsi
SCSI misc on 20191207
2019-12-08 12:23:42 -08:00
sfi
…
sh
…
siox
…
slimbus
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soc
ARM: SoC fixes
2019-12-06 14:19:37 -08:00
soundwire
…
spi
Merge branch 'spi-5.5' into spi-next
2019-11-22 19:56:35 +00:00
spmi
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ssb
…
staging
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
target
SCSI misc on 20191130
2019-12-02 13:37:02 -08:00
tc
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tee
Merge mainline/master into arm/fixes
2019-12-05 13:18:54 -08:00
thermal
Merge branch 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
2019-12-05 11:21:24 -08:00
thunderbolt
thunderbolt: Power cycle the router if NVM authentication fails
2019-11-19 17:35:57 +01:00
tty
TTY/Serial patches for 5.5-rc1
2019-12-03 14:09:14 -08:00
uio
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usb
usb, kcov: collect coverage from hub_event
2019-12-04 19:44:14 -08:00
vfio
VFIO updates for v5.5-rc1
2019-12-07 14:51:04 -08:00
vhost
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-12-08 13:28:11 -08:00
video
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
virt
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
virtio
virtio_balloon: fix shrinker count
2019-11-20 02:15:57 -05:00
visorbus
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vlynq
…
vme
…
w1
…
watchdog
linux-watchdog 5.5-rc1 tag
2019-12-01 18:01:03 -08:00
xen
xen: branch for v5.5-rc1
2019-12-07 14:49:20 -08:00
zorro
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Kconfig
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Makefile
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