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9135583464
kernel-ark/drivers
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Chris Wilson 9135583464 drm/i915: Do not overflow the MMADDR write FIFO 
Whilst the GT is powered down (rc6), writes to MMADDR are placed in a
FIFO by the System Agent. This is a limited resource, only 64 entries, of
which 20 are reserved for Display and PCH writes, and so we must take
care not to queue up too many writes. To avoid this, there is counter
which we can poll to ensure there are sufficient free entries in the
fifo.

"Issuing a write to a full FIFO is not supported; at worst it could
result in corruption or a system hang."

Reported-and-Tested-by: Matt Turner <mattst88@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34056
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-03-06 09:07:46 +00:00
..
accessibility
acpi Merge branch 'iomem' into release 2011-02-15 15:25:48 -05:00
amba
ata libata: set queue DMA alignment to sector size for ATAPI too 2011-01-28 03:16:20 -05:00
atm ATM, Solos PCI ADSL2+: Don't deref NULL pointer if net_ratelimit() and alloc_skb() interact badly. 2011-02-13 16:55:46 -08:00
auxdisplay
base
block Merge branch 'for-linus' of git://neil.brown.name/md 2011-02-25 11:13:26 -08:00
bluetooth Revert "Bluetooth: Enable USB autosuspend by default on btusb" 2011-02-23 19:42:03 -08:00
cdrom cdrom: support devices that have check_events but not media_changed 2011-02-09 14:22:37 +01:00
char Revert "TPM: Long default timeout fix" 2011-03-01 13:23:27 -08:00
clk
clocksource
connector
cpufreq
cpuidle
crypto
dca
dio
dma Merge branch 'imx' into dmaengine-fixes 2011-02-14 02:40:46 -08:00
edac amd64_edac: Fix DIMMs per DCTs output 2011-02-10 14:41:49 +01:00
eisa
firewire
firmware x86, dmi, debug: Log board name (when present) in dmesg/oops output 2011-02-15 04:20:57 +01:00
gpio drivers/gpio/pca953x.c: add a mutex to fix race condition 2011-02-11 16:12:20 -08:00
gpu drm/i915: Do not overflow the MMADDR write FIFO 2011-03-06 09:07:46 +00:00
hid
hwmon hwmon: (adt7411) add MODULE_DEVICE_TABLE 2011-02-26 08:59:32 -08:00
i2c i2c-omap: fixup commit cb527ede1b whitespace 2011-02-23 00:43:55 +00:00
ide
idle
ieee802154
infiniband Merge branches 'nes' and 'qib' into for-next 2011-02-17 14:04:59 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-02-23 14:44:25 -08:00
isdn isdn: hisax: Use l2headersize() instead of dup (and buggy) func. 2011-02-15 12:18:09 -08:00
leds
lguest
macintosh
mca
md md: Fix - again - partition detection when array becomes active 2011-02-24 17:26:41 +11:00
media Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2011-02-02 17:52:19 -08:00
memstick workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable' 2011-02-16 17:48:59 +01:00
message [SCSI] mptfusion: Bump version 03.04.18 2011-02-12 12:51:21 -06:00
mfd
misc workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable' 2011-02-16 17:48:59 +01:00
mmc ARM: mmci: round down the bytes transferred on error 2011-01-31 10:53:37 +00:00
mtd workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable' 2011-02-16 17:48:59 +01:00
net Merge branch 'r8169-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6 2011-02-23 15:03:11 -08:00
nfc drivers/nfc/pn544.c: add missing regulator 2011-02-25 15:07:36 -08:00
nubus
of
oprofile
parisc
parport
pci pci: use security_capable() when checking capablities during config space read 2011-02-15 19:06:31 +11:00
pcmcia pcmcia: re-enable Zoomed Video support 2011-02-20 12:47:34 +01:00
platform dell-laptop: Toggle the unsupported hardware killswitch 2011-02-21 17:06:21 -05:00
pnp
power
pps pps: initialize ts_real properly 2011-02-25 15:07:37 -08:00
ps3
rapidio rapidio: fix sysfs config attribute to access 16MB of maint space 2011-02-25 15:07:37 -08:00
regulator regulator, mc13xxx: Remove pointless test for unsigned less than zero 2011-02-25 08:51:07 +00:00
rtc drivers/rtc/rtc-ds3232.c: fix time range difference between linux and RTC chip 2011-02-25 15:07:37 -08:00
s390 [S390] dasd: correct device table 2011-02-17 13:13:58 +01:00
sbus
scsi [SCSI] qla2xxx: Return DID_NO_CONNECT when FC device is lost. 2011-02-15 11:12:17 -06:00
sfi
sh
sn
spi spi/pxa2xx pci: fix the release - remove race 2011-02-15 13:25:36 -07:00
ssb Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-02-08 12:03:54 -08:00
staging Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 2011-02-10 12:19:23 -08:00
target [SCSI] target: fix use after free detected by SLUB poison 2011-02-12 12:32:41 -06:00
tc
telephony
thermal ACPI: Fix build for CONFIG_NET unset 2011-02-28 18:00:31 -08:00
tty Merge branch 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2011-02-18 12:36:06 -08:00
uio
usb usb: musb: core: set has_tt flag 2011-02-24 11:16:24 -08:00
uwb
vhost vhost: rcu annotation fixup 2011-02-01 16:48:46 +02:00
video
virtio
vlynq
w1 drivers/w1/masters/omap_hdq.c: add missing clk_put 2011-02-11 16:12:20 -08:00
watchdog m68knommu: Rename m548x_wdt.c to m54xx_wdt.c 2011-02-08 15:07:45 +10:00
xen xen: suspend and resume system devices when running PVHVM 2011-02-17 10:31:20 +00:00
zorro
Kconfig
Makefile