Oscar Mateo dcb4c12a68 drm/i915/bdw: Pin the context backing objects to GGTT on-demand ... Up until now, we have pinned every logical ring context backing object during creation, and left it pinned until destruction. This made my life easier, but it's a harmful thing to do, because we cause fragmentation of the GGTT (and, eventually, we would run out of space). This patch makes the pinning on-demand: the backing objects of the two contexts that are written to the ELSP are pinned right before submission and unpinned once the hardware is done with them. The only context that is still pinned regardless is the global default one, so that the HWS can still be accessed in the same way (ring->status_page). v2: In the early version of this patch, we were pinning the context as we put it into the ELSP: on the one hand, this is very efficient because only a maximum two contexts are pinned at any given time, but on the other hand, we cannot really pin in interrupt time :( v3: Use a mutex rather than atomic_t to protect pin count to avoid races. Do not unpin default context in free_request. v4: Break out pin and unpin into functions. Fix style problems reported by checkpatch v5: Remove unpin_lock as all pinning and unpinning is done with the struct mutex already locked. Add WARN_ONs to make sure this is the case in future. Issue: VIZ-4277 Signed-off-by: Oscar Mateo <oscar.mateo@intel.com> Signed-off-by: Thomas Daniel <thomas.daniel@intel.com> Reviewed-by: Akash Goel <akash.goels@gmail.com> Reviewed-by: Deepak S<deepak.s@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>		2014-11-19 19:32:58 +01:00
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accessibility	…
acpi	Merge branch 'acpi-blacklist'	2014-11-14 15:17:17 +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	atm: simplify lanai.c by using module_pci_driver	2014-10-17 11:55:32 -04:00
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	Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued	2014-11-19 18:17:38 +01:00
clk	The clk tree changes for 3.18 are dominated by clock drivers. Mostly	2014-10-15 07:05:03 +02:00
clocksource	ARM/ARM64: arch-timer: fix arch_timer_probed logic	2014-10-26 20:50:00 +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	dma: edma: move device registration to platform code	2014-11-05 18:26:10 -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/bdw: Pin the context backing objects to GGTT on-demand	2014-11-19 19:32:58 +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: (fam15h_power) Fix NB device ID for F16h M30h	2014-11-11 10:39:45 -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: as3935: allocate correct iio_device size	2014-11-05 18:33:46 +00:00
infiniband	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2014-10-31 15:04:58 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2014-11-14 14:31:54 -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: armada-370-xp: Fix MPIC interrupt handling	2014-11-02 01:31:10 +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	vxlan: Do not reuse sockets for a different address family	2014-11-13 15:19:59 -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: Fix overflow bug in string property parsing functions	2014-11-04 10:19:48 +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 updates for v3.18:	2014-10-31 18:48:29 -07:00
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	bnx2fc: fix tgt spinlock locking	2014-11-10 15:25:41 +01:00
sfi	…
sh	…
sn	…
soc	soc: versatile: Add terminating entry for realview_soc_of_match	2014-10-28 22:05:07 +01:00
spi	Merge remote-tracking branches 'spi/fix/fsl-dspi' and 'spi/fix/pxa2xx' into spi-linus	2014-11-06 12:58:46 +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	Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued	2014-11-19 18:17:38 +01:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2014-10-21 13:06:38 -07:00
tc	…
thermal	imx: thermal: imx_get_temp might be called before sensor clock is prepared	2014-11-09 15:42:53 -04:00
thunderbolt	…
tty	tty: Fix pty master poll() after slave closes v2	2014-11-06 12:23:36 -08:00
uio	uio: Export definition of struct uio_device	2014-10-02 21:35:54 -07:00
usb	USB: cdc-acm: add quirk for control-line state requests	2014-11-06 12:25:40 -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	…
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	…