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Mika Kuoppala 05a2fb157e drm/i915: Consolidate forcewake code 
As we now have forcewake domains, take advantage of it
by putting the differences in gen fw handling in data rather
than in code.

In past we have opencoded this quite extensively as the fw handling
is in the fast path. There has also been a lot of cargo-culted
copy'n'pasting from older gens to newer ones.

Now when the releasing of the forcewake is done by deferred timer,
it gives chance to consolidate more. Due to the frequency of actual hw
access being significantly less.

Take advantage of this and generalize the fw handling code
as much as possible. But we still aim to keep the forcewake sequence
particularities for each gen intact. So the access pattern
to fw engines should remain the same.

v2: - s/old_ack/clear_ack (Chris)
    - s/post_read/posting_read (Chris)
    - less polite commit msg (Chris)

v3: - rebase
    - check and clear wake_count in init

v4: - fix posting reads for gen8 (PRTS)

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com> (v2)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 		2015-01-27 09:50:56 +01:00
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accessibility
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acpi Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-01-14 07:53:51 +13:00
amba Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
android
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ata libata: prevent HSM state change race between ISR and PIO 2015-01-19 14:11:23 -05:00
atm Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
auxdisplay
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base Merge branches 'pm-domains', 'powercap' and 'pm-tools' 2014-12-29 21:24:00 +01:00
bcma Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
block NVMe: Fix locking on abort handling 2015-01-08 09:02:23 -07:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2014-12-15 13:23:09 -05:00
bus drivers: bus: check cci device tree node status 2015-01-16 19:10:41 -08:00
cdrom
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char ipmi: Fix compile warning with tv_usec 2014-12-30 13:34:36 -06:00
clk clk: fix possible null pointer dereference 2015-01-17 11:33:57 -08:00
clocksource Fixes for 3.19 2014-12-30 15:27:20 +01:00
connector cn: verify msg->len before making callback 2014-11-26 19:09:01 -08:00
coresight coresight-replicator: remove .owner field for driver 2014-11-26 19:28:11 -08:00
cpufreq Merge branches 'pm-cpufreq' and 'pm-cpuidle' 2014-12-29 21:23:41 +01:00
cpuidle Merge branches 'pm-cpufreq' and 'pm-cpuidle' 2014-12-29 21:23:41 +01:00
crypto Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
dca
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devfreq
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dio
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dma dmaengine: dw: balance PM runtime calls 2015-01-13 23:07:58 +05:30
dma-buf
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edac Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
eisa
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extcon Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
firewire firewire: sbp2: replace card lock by target lock 2014-12-10 20:53:21 +01:00
firmware Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
fmc
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gpio A slew of fixes dealing with some irritating bugs (non-regressions) 2015-01-19 05:03:13 +12:00
gpu drm/i915: Consolidate forcewake code 2015-01-27 09:50:56 +01:00
hid HID: roccat: potential out of bounds in pyra_sysfs_write_settings() 2015-01-09 14:41:01 +01:00
hsi * misc. fixes in omap-ssi and nokia-modem drivers 2014-12-15 17:33:47 -08:00
hv Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
hwmon Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-12-17 10:16:27 -08:00
hwspinlock
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i2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2014-12-20 13:52:52 -08:00
ide Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
idle
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iio First round of IIO fixes for the 3.19 cycle. 2015-01-08 17:59:04 -08:00
infiniband net/mlx4: Don't disable vxlan offloads under DMFS-A0 optimized steering 2015-01-15 19:35:30 -05:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-01-19 04:55:23 +12:00
iommu iommu/rockchip: Drop owner assignment from platform_drivers 2015-01-05 12:40:06 +01:00
ipack
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irqchip Merge branch 'irq-irqdomain-arm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-15 17:30:09 -08:00
isdn isdn: fix NUL (\0 or \x00) specification in string 2015-01-12 15:31:35 -05:00
leds leds: netxbig: fix oops at probe time 2015-01-13 13:49:01 -08:00
lguest virtio: allow finalize_features to fail 2014-12-09 16:32:32 +02:00
macintosh macintosh: therm_pm72: delete deprecated driver 2014-12-19 19:32:47 +01:00
mailbox Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
mcb mcb: mcb-pci: Only remap the 1st 0x200 bytes of BAR 0 2015-01-09 15:46:37 -08:00
md dm: fix missed error code if .end_io isn't implemented by target_type 2014-12-17 12:31:13 -05:00
media More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
memory MTD updates for 3.19: 2014-12-17 09:59:26 -08:00
memstick
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message
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mfd - Avoid platform ID collision in da9052 2015-01-21 18:29:44 +12:00
misc Char/Misc driver fixes for 3.19-rc5 2015-01-17 08:18:08 +13:00
mmc mmc: sdhci: Set SDHCI_POWER_ON with external vmmc 2015-01-14 09:47:19 +01:00
mtd MTD updates for 3.19: 2014-12-17 09:59:26 -08:00
net s2io: use snprintf() as a safety feature 2015-01-19 19:42:21 -05:00
nfc More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
ntb
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nubus
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of ARM: SoC/iommu configuration for 3.19 2014-12-16 14:53:01 -08:00
oprofile
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parisc
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parport Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
pci Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-19 14:02:02 -08:00
pcmcia Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
phy phy: phy-ti-pipe3: fix inconsistent enumeration of PCIe gen2 cards 2014-12-23 15:44:32 +05:30
pinctrl pinctrl: qcom: Don't iterate past end of function array 2015-01-19 11:17:45 +01:00
platform platform-drivers-x86 for 3.19 2014-12-18 20:24:55 -08:00
pnp
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power More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
powercap powercap / RAPL: add IDs for future Xeon CPUs 2014-12-17 02:35:42 +01:00
pps
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ps3
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ptp
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pwm pwm: Changes for v3.19-rc1 2014-12-17 10:10:51 -08:00
rapidio
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ras
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regulator regulator: Fix for v3.19 2014-12-29 13:24:38 -08:00
remoteproc Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
reset reset: sunxi: fix spinlock initialization 2015-01-16 19:11:31 -08:00
rpmsg rpmsg: use less buffers when vrings are small 2014-11-26 18:24:36 +02:00
rtc Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
s390 s390/zcrypt: kernel oops at insmod of the z90crypt device driver 2014-12-18 09:55:55 +01:00
sbus
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scsi scsi: ->queue_rq can't sleep 2015-01-09 15:43:01 +01:00
sfi
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sh drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM 2014-12-05 03:08:24 +01:00
sn
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soc Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-12-15 15:52:01 -08:00
spi Merge remote-tracking branches 'spi/fix/img-spfi' and 'spi/fix/msiof' into spi-linus 2014-12-24 12:57:54 +00:00
spmi
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ssb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
staging staging: vt6655: fix sparse warning: argument type 2015-01-12 19:49:47 -08:00
target iscsi-target: Fix typos in enum cmd_flags_table 2015-01-09 15:25:58 -08:00
tc
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thermal Merge branch 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-01-15 19:20:26 +13:00
thunderbolt
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tty serial: samsung: Add the support for Exynos5433 SoC 2015-01-09 13:46:02 -08:00
uio Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
usb usb: fixes for v3.19-rc6 2015-01-14 16:27:23 -08:00
uwb
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vfio vfio-pci: Fix the check on pci device type in vfio_pci_probe() 2015-01-07 10:29:11 -07:00
vhost Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-01-13 15:23:26 +13:00
video fbdev/broadsheetfb: fix memory leak 2015-01-13 15:13:45 +02:00
virt
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virtio virtio_pci: document why we defer kfree 2015-01-06 16:35:36 +02:00
vlynq
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vme
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w1 Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
watchdog watchdog: imx2_wdt: Fix the argument of watchdog_active() 2014-12-18 16:01:20 +01:00
xen Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
zorro
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Kconfig Staging patches for 3.19-rc1 2014-12-15 18:06:13 -08:00
Makefile drivers: Move iommu/ before gpu/ in Makefile 2014-12-22 11:47:37 +02:00