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2b38705981
linux/drivers
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Chris Wilson 2b38705981 drm/i915: Only warn the first time we attempt to mmio whilst suspended 
In all likelihood we will do a few hundred errnoneous register
operations if we do a single invalid register access whilst the device
is suspended. As each instance causes a WARN, this floods the system
logs and can make the system unresponsive.

The warning was first introduced in
commit b2ec142cb0
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Fri Feb 21 13:52:25 2014 -0300

    drm/i915: call assert_device_not_suspended at gen6_force_wake_work

and despite the claims the WARN is still encountered in the wild today.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-12-03 09:29:35 +01:00
..
accessibility
acpi ACPI / PM: Ignore wakeup setting if the ACPI companion can't wake up 2014-11-20 01:24:16 +01:00
amba PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h 2014-09-30 01:16:44 +02:00
ata ahci: fix AHCI parameters not taken into account 2014-11-04 12:56:25 -05:00
atm solos-pci: fix error return code 2014-11-23 14:29:44 -05:00
auxdisplay
base Merge branches 'pm-domains', 'pm-sleep' and 'pm-cpufreq' 2014-11-14 15:17:32 +01:00
bcma bcma: add another PCI ID of device with BCM43228 2014-10-23 14:02:06 -04:00
block zram: avoid kunmap_atomic() of a NULL pointer 2014-11-13 16:17:05 -08:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
bus ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
cdrom
char Linux 3.18-rc7 2014-12-02 10:58:33 +10:00
clk clk: pxa: fix pxa27x CCCR bit usage 2014-11-17 11:25:29 -08:00
clocksource clockevent: sun4i: Fix race condition in the probe code 2014-11-19 10:43:51 +01:00
connector
cpufreq cpufreq: Avoid crash in resume on SMP without OPP 2014-11-08 02:10:04 +01:00
cpuidle Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-10-24 12:48:47 -07:00
crypto crypto: caam - fix missing dma unmap on error path 2014-11-06 23:10:20 +08:00
dca
devfreq PM / devfreq: exynos: Enable building exynos PPMU as module 2014-09-29 20:22:36 +09:00
dio
dma Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma 2014-11-21 16:24:27 -08:00
dma-buf dma-buf: don't open-code atomic_long_read() 2014-10-09 02:39:07 -04:00
edac e7xxx_edac: Report CE events properly 2014-10-22 22:59:00 +02:00
eisa
extcon extcon: gpio: Fix code cleanup 2014-09-22 16:48:47 +09:00
firewire firewire: cdev: prevent kernel stack leaking into ioctl arguments 2014-11-14 12:10:13 +01:00
firmware Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-23 14:45:09 -07:00
fmc
gpio This is the bulk of GPIO changes for the v3.18 development 2014-10-09 14:58:15 -04:00
gpu drm/i915: Only warn the first time we attempt to mmio whilst suspended 2014-12-03 09:29:35 +01:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2014-11-13 16:19:14 -08:00
hsi
hv Drivers: hv: vmbus: Enable interrupt driven flow control 2014-09-23 23:31:22 -07:00
hwmon hwmon: (g762) fix call to devm_hwmon_device_register_with_groups() 2014-11-19 14:06:47 -08:00
hwspinlock
i2c i2c: core: Dispose OF IRQ mapping at client removal time 2014-11-07 19:03:18 +01:00
ide Merge branch 'for-3.18/drivers' of git://git.kernel.dk/linux-block 2014-10-18 12:12:45 -07:00
idle
iio iio: accel: bmc150: set low default thresholds 2014-11-16 20:25:00 +00:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-11-21 16:28:45 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-11-27 17:51:50 -08:00
iommu IOMMU Updates for Linux v3.18 2014-10-15 07:23:49 +02:00
ipack ipoctal: clear break interrupt as soon as it occurs 2014-09-23 23:26:42 -07:00
irqchip irqchip: brcmstb-l2: Fix error handling of irq_of_parse_and_map 2014-11-26 06:28:42 +00:00
isdn isdn/gigaset: fix usb_gigaset write_cmd result race 2014-10-14 15:05:35 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2014-10-21 08:18:38 -07:00
lguest
macintosh powerpc: Move via-cuda symbol exports next to function definitions 2014-09-25 23:14:37 +10:00
mailbox Merge branch 'mailbox-for-linus' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2014-10-21 11:21:19 -07:00
mcb
md One fix for md for 3.18. 2014-11-16 15:34:31 -08:00
media [media] sp2: sp2_init() can be static 2014-11-03 19:08:06 -02:00
memory
memstick memstick: r592: fix build warnings for !PM_SLEEP 2014-10-14 02:18:22 +02:00
message SCSI for-linus on 20141007 2014-10-07 21:29:18 -04:00
mfd mfd: twl4030-power: Fix poweroff with PM configuration enabled 2014-11-10 15:22:04 +00:00
misc cxl: Fix PSL error due to duplicate segment table entries 2014-10-28 19:52:52 +11:00
mmc mmc: core: fix card detection regression 2014-11-05 09:28:48 +01:00
mtd Three main MTD fixes for 3.18: 2014-11-02 14:45:52 -08:00
net Merge tag 'master-2014-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-11-26 16:38:35 -05:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-10-07 14:48:29 -04:00
ntb ntb: Adding split BAR support for Haswell platforms 2014-10-17 07:08:51 -04:00
nubus
of of/selftest: Fix testing when /aliases is missing 2014-11-20 15:32:49 +00:00
oprofile
parisc Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
parport parport: parport_pc: Implement architecture and device check to cut off false-positives 2014-09-23 23:14:28 -07:00
pci PCI/MSI: Add device flag indicating that 64-bit MSIs don't work 2014-11-24 14:11:34 +11:00
pcmcia
phy phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly 2014-11-05 14:34:06 -08:00
pinctrl pinctrl: baytrail: show output gpio state correctly on Intel Baytrail 2014-10-28 11:16:26 +01:00
platform platform: hp_accel: Add SERIO_I8042 as a dependency since it now includes i8042.h/serio.h 2014-11-10 21:16:15 -08:00
pnp PNP: replace strnicmp with strncasecmp 2014-10-14 02:18:25 +02:00
power power supply and reset changes for the v3.18-rc 2014-11-15 15:22:51 -08:00
powercap
pps
ps3
ptp
pwm pwm: Changes for v3.18-rc1 2014-10-21 08:17:43 -07:00
rapidio
ras
regulator Merge remote-tracking branches 'regulator/fix/max1586', 'regulator/fix/max77686', 'regulator/fix/max77693', 'regulator/fix/max77802', 'regulator/fix/max8860' and 'regulator/fix/s2mpa01' into regulator-linus 2014-11-05 14:59:25 +00:00
remoteproc
reset
rpmsg
rtc drivers/rtc/rtc-bq32k.c: fix register value 2014-10-29 16:33:14 -07:00
s390 KVM: s390: virtio_ccw: remove unused variable 2014-11-03 10:43:00 +01:00
sbus
scsi SCSI fixes on 20141128 2014-11-29 10:15:31 -08:00
sfi
sh
sn
soc soc/tegra: fuse: export tegra_sku_info 2014-12-02 15:43:37 +10:00
spi Merge remote-tracking branches 'spi/fix/dw' and 'spi/fix/sirf' into spi-linus 2014-11-26 19:05:25 +00:00
spmi
ssb This is the bulk of GPIO changes for the v3.18 development 2014-10-09 14:58:15 -04:00
staging Linux 3.18-rc7 2014-12-02 10:58:33 +10:00
target target: return CONFLICT only when SA key unmatched 2014-11-02 22:04:57 -08:00
tc
thermal thermal: Exynos: Deletion of unnecessary checks before two function calls 2014-11-21 15:20:17 -04:00
thunderbolt
tty Revert "serial: of-serial: add PM suspend/resume support" 2014-11-25 12:46:39 -08:00
uio uio: Export definition of struct uio_device 2014-10-02 21:35:54 -07:00
usb usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000 2014-11-24 17:01:55 -08:00
uwb uwb: add an ASIE sysfs attribute to uwb_rc devices 2014-09-23 22:05:26 -07:00
vfio IOMMU Updates for Linux v3.18 2014-10-15 07:23:49 +02:00
vhost vhost-scsi: Take configfs group dependency during VHOST_SCSI_SET_ENDPOINT 2014-10-28 13:54:16 -07:00
video Merge branch '3.18/omapdss-fixes' into 3.18/fbdev-fixes 2014-10-30 14:53:49 +02:00
virt
virtio One cc: stable commit, the rest are a series of minor cleanups which have 2014-10-18 10:25:09 -07:00
vlynq
vme
w1
watchdog watchdog: meson: remove magic value for reboot 2014-10-20 21:09:17 +02:00
xen xen/pci: Allocate memory for physdev_pci_device_add's optarr 2014-10-23 16:24:02 +01:00
zorro
Kconfig soc: ti: add Keystone Navigator QMSS driver 2014-09-24 09:49:14 -04:00
Makefile