Commit Graph

144385 Commits

Author SHA1 Message Date
Ben Dooks
9f05f6a921 [ARM] S3C24XX: GPIO: Remove pin specific input and output defines
The use of S3C2410_GP[A-Z]x_INP and S3C2410_GP[A-Z]x_OUTP are
very rare and are taking up large amounts of space in the
regs-gpio.h header.

The GPIO layer has had generic input and out defines called
S3C2410_GPIO_INPUT and S3C2410_GPIO_OUTPUT for a while which work
for all S3C24XX GPIOs.

Do the following replacements:

   S3C2410_GP[A-Z][0-9]*_\OUTP => S3C2410_GPIO_OUTPUT
   S3C2410_GP[A-Z][0-9]*_\INP  => /S3C2410_GPIO_INPUT
   S3C2410_GPA[0-9]*_OUT       => S3C2410_GPIO_OUTPUT

to remove any usages of these and prepare the header for
the removal of these.

The following command was used to acheive this:

find . -type f -writable ! -name regs-gpio.h ! -name "*~" | xargs sed -i~ -e 's/S3C2410_GP[A-Z][0-9]*_\OUTP/S3C2410_GPIO_OUTPUT/g' -e 's/S3C2410_GP[A-Z][0-9]*_\INP/S3C2410_GPIO_INPUT/g' -e 's/S3C2410_GPA[0-9]*_OUT/S3C2410_GPIO_OUTPUT/g'

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-17 22:21:26 +01:00
Ben Dooks
ec7f4d5d67 [ARM] S3C24XX: GPIO: Remove s3c2410_gpio_irq2pin() call
Remove the s3c2410_gpio_irq2pin() function as it is not being
used in any in kernel driver and the function is probably not
being used anywhere else.

This is also part of the effort to remove any of the s3c24xx gpio
specific code that cannot be recreated by using the gpiolib
framework now in the kernel.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-17 22:21:11 +01:00
Ben Dooks
496a3f0927 [ARM] S3C64XX: Add ARM clock
Add ARM clock to provide 'arm' from the APLL to the ARM core.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:46:41 +01:00
Mark Brown
8f1ecf1d96 [ARM] S3C64XX: Configure clocks for DMA controller
Add missing DMA controller block clocks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:14:27 +01:00
Werner Almesberger
a03f7daf6d [ARM] S3C64XX: Add HCLKx2
Add doubled HCLK to S3C64xx.

Signed-off-by: Werner Almesberger <werner@openmoko.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:14:27 +01:00
Werner Almesberger
e2c977dca2 [ARM] S3C6410: Add CAMIF clock
Add camera interface clock to S3C6410.

Signed-off-by: Werner Almesberger <werner@openmoko.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:14:27 +01:00
Ben Dooks
a19339f430 [ARM] Merge next-s3c-s3c6410 into for-rmk-devel
Merge branch 'next-s3c-s3c6410' into for-rmk-devel
2009-05-07 11:06:32 +01:00
Ben Dooks
19e3f4858d [ARM] SMDK6400: Fix WM8753 i2c board definition
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:58 +01:00
Ben Dooks
4faf686763 [ARM] S3C64XX: Add S3C6400 SDHCI setup support
Add support for S3C6400 SDHCI channels 0 and 1, making
the GPIO code common to both S3C6400 and S3C6410.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:58 +01:00
Ben Dooks
e074f98032 [ARM] S3C64XX: Add S3C6400 CPU detection.
Add detection support for the S3C6400 SoC which has it's
id register in a different place to the S3C6410.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:57 +01:00
Ben Dooks
a6925c1c51 [ARM] S3C6400: Core support for S3C6400 SoC
Add the core support files for the Samsung S3C6400 SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:57 +01:00
Ben Dooks
2ab408e875 [ARM] SMDK6400: Initial machine support for SMDK6400
Add minimial support for the SMDK6400 board to test
the S3C6400 support.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:57 +01:00
Ben Dooks
c07f87f22e [ARM] VIC: Add power management device
Add power management support to the VIC by registering
each VIC as a system device to get suspend/resume
events going.

Since the VIC registeration is done early, we need to
record the VICs in a static array which is used to add
the system devices later once the initcalls are run. This
means there is now a configuration value for the number
of VICs in the system.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:57 +01:00
Ben Dooks
d87964c460 [ARM] S3C: GPIO PM core GPIOlib integration
Move the GPIO suspend/resume support inline with the gpiolib support
so that it will work with both the S3C24XX and S3C64XX series.

The s3c_gpio_chip is extended to have a pm callback and a save block
to keep the state of the GPIO over suspend, and the code from the
s3c24xx implementation is added to a new common file.

The suspend process now uses the list of registered chips to go through
saving and restoring each one as appropriate, using the pm callback to
select the appropriate routine depending on the type of control register
present.

This change also means that any additional GPIO added should not require
changes to the PM.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:56 +01:00
Ben Dooks
966bcc1438 [ARM] S3C64XX: Add IRQ PM code
Add support for saving the state of the IRQ registers over suspend.

This requires moving the S3C64XX UART registers into <plat/regs-serial.h>
and adding irq-pm.c which saves the state of all the IRQ registers.

The irq-pm.c saves all the IRQ registers, including the IRQ_EINT and
IRQ_EINT_GROUP registers as it was easier than adding three different
files. Also ensuring that all the registers are restored to the same
state as before suspend is considered to be the best thing to do.

Note, we do not suspend the VIC here, this is done by the VIC driver
itself.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:56 +01:00
Ben Dooks
1deb507dc7 [ARM] S3C64XX: Add generic s3c64xx sys device.
Add an s3c64xx_sysclass and device for items that currently
want to bind to any s3c64xx processor. The first user of this
will be parts of the s3c64xx suspend support which need to
save device state over suspend/resume.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:56 +01:00
Ben Dooks
0abfe9aab1 [ARM] S3C64XX: Add s3c6410_sysclass export
Add definition for s3c6410_sysclass which was missing
from arch/arm/plat-s3c/include/plat/cpu.h.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:56 +01:00
Ben Dooks
bd117bd161 [ARM] S3C64XX: Initial support for PM (suspend to RAM)
Add the initial support for the S3C64XX based systems to use
suspend-to-RAM to sleep.

Includes basic debugging for use with the SMDK6410 usign the
LEDs on the baseboard.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:55 +01:00
Ben Dooks
4b637dc231 [ARM] S3C: PM save UART UDIVSLOT if doing PM
Add the facility to save the UART UDIVSLOT register if the UART
state is being saved over suspend.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:55 +01:00
Ben Dooks
57699e9adf [ARM] S3C: Add debug to UART save and a per-arch callback pre-restore
Add a simple debug message on saving the UART state and add a per-arch
pre-restore function to be used by the s3c64xx restore code to ensure
the UARTs control registers do not go through any illegal state changes.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:55 +01:00
Ben Dooks
67b3e542ab [ARM] S3C64XX: Add USB OHCI support
Add USB OHCI host definitions.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:55 +01:00
Ben Dooks
e6a2a9ce69 [ARM] S3C: Rename S3C24XX_PA_USBHOST to S3C_PA_USBHOST
The USB host base address is available on both the S3C24XX and S3C64XX
ranges.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:54 +01:00
Ben Dooks
98fd63ba61 [ARM] SMDK6410: Add USB OHCI host
Add USB OHCI host capability to the SMDK6410 for either USB OtG or
a single/double USB host port.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:54 +01:00
Ben Dooks
eca8655ffa [ARM] S3C: Add common USB OHCI device definition
Add common definition for USB OHCI platform device, add a Kconfig
to selectively compile it and add update all the users.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-07 11:04:54 +01:00
Mark Brown
e3980b6a03 [ARM] SMDK6410: Hook regulator control of VDDARM up for WM1190-EV1
This allows the S3C CPUfreq driver to do DVFS.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 15:03:26 +01:00
Kwangwoo Lee
1f26a8a0fd [PATCH] S3C64XX: Basic A&W6410 board support patch V2
A&W6410 board uses Samsung S3C6410 SoC and it is registered with 2183.
Framebuffer and ethernet devices are supported currently.

Unnecessary header file is removed.
Fix to use __raw_writel() and __raw_readl() for accessing mapped address.

Thank you for your comments.

Signed-off-by: Kwangwoo Lee <kwangwoo.lee@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:46 +01:00
Mark Brown
f53aee29be [ARM] SMDK6410: Mark all supplies as always_on
Since no consumers are currently configured for the SMDK6410 mark all
the supplies on the board as being always_on, ensuring interoperability
with future regulator API changes to disable unused regulators.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:46 +01:00
Mark Brown
db9256f33c [ARM] SMDK6410: Use active high IRQ for the WM8350 on the WM1190-EV1
Using an active high IRQ ensures that the WM8350 interrupt handling
does not spin when used with a SMDK6410 which has not had R20 removed
and R21 fitted to connect EINT12 to the PMIC module rather thant the
fixed regulators on the CPU module.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:46 +01:00
Kyungmin Park
87c4122f17 [ARM] S3C6410: Basic support for NCP board (v2)
This is a basic support for NCP board based on s3c6410.

Only enables the serial. also remove empty i2c device.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:46 +01:00
Mark Brown
ecc558acab [ARM] SMDK6410: Support WM1190-EV1 PMIC board
The SMDK6410 supports pluggable PMIC boards. One such board is the
Wolfson Microelectronics 1190-EV1 for the WM8350 PMICs. This patch
introduces initial support for this module. Further patches will
add additional integration with the system as support for the
S3C6410 and other devices on the system improves.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:45 +01:00
Mark Brown
3056ea0afb [ARM] SMDK6410: Add support for SMSC9115 ethernet controller
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:45 +01:00
Ben Dooks
d6662c351a [ARM] SMDK6410: Ensure LCD settings are setup
Ensure that the LCD output type is RGB and that
the modem interface is not bypassing the LCD
block. This ensures the LCD interface output
gets to the pins in the correct format.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-05-01 11:38:45 +01:00
Linus Torvalds
091438dd56 Linux 2.6.30-rc4 2009-04-29 21:48:16 -07:00
Linus Torvalds
9ea66ab580 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
  eCryptfs: Fix min function comparison warning
  ecryptfs: fix printk format warning
2009-04-29 21:25:53 -07:00
Linus Torvalds
93acda847f Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  V4L/DVB (11652): au0828: fix kernel oops regression on USB disconnect.
  V4L/DVB (11626): cx23885: Two fixes for DViCO FusionHDTV DVB-T Dual Express
  V4L/DVB (11612): mx3_camera: Fix compilation with CONFIG_PM
  V4L/DVB (11570): patch: s2255drv: fix race condition on set mode
  V4L/DVB (11568): cx18: Fix the handling of i2c bus registration error
  V4L/DVB (11561a): move media after i2c
  V4L/DVB (11516): drivers/media/video/saa5246a.c: fix use-after-free
  V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak
  V4L/DVB (11494a): cx231xx Kconfig fixes
  V4L/DVB (11494): cx18: Send correct input routing value to external audio multiplexers
2009-04-29 21:25:39 -07:00
Devin Heitmueller
fe78a49c8a V4L/DVB (11652): au0828: fix kernel oops regression on USB disconnect.
A regression was introduced in hg changeset 33810c734a0d, which resulted in
a kernel panic whenever the device was disconnected from USB.  The call to
4l2_device_register() was overwriting the pointer for usb_set_intfdata(), so
when au0828_usb_disconnect() was called, the usb_get_intfdata() returned a
pointer to the v4l2_device instead of the au0828_dev structure.

Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 16:02:51 -03:00
Christopher Pascoe
d4dc673da9 V4L/DVB (11626): cx23885: Two fixes for DViCO FusionHDTV DVB-T Dual Express
Two fixes for DViCO FusionHDTV DVB-T Dual Express:

 * Reset correct tuner when reinitializing xc3028.
 * Disable the I2C gate control to avoid locking up the I2C bus.

Tested-by: John Knops <jknops@australiaonline.net.au>
Reviewed-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Christopher Pascoe <linuxdvb@itee.uq.edu.au>
Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 16:00:38 -03:00
Sascha Hauer
e39c904797 V4L/DVB (11612): mx3_camera: Fix compilation with CONFIG_PM
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:59:24 -03:00
Dean Anderson
9d63cec168 V4L/DVB (11570): patch: s2255drv: fix race condition on set mode
set_modeready flag must be set before command sent to USB in
s2255_write_config.

Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:14 -03:00
Jean Delvare
272aa3966b V4L/DVB (11568): cx18: Fix the handling of i2c bus registration error
* Return actual error values as returned by the i2c subsystem, rather
  than 0 or 1.
* If the registration of the second bus fails, unregister the first one
  before exiting, otherwise we are leaking resources.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:13 -03:00
Guennadi Liakhovetski
a357482a1e V4L/DVB (11561a): move media after i2c
Currently drivers/media drivers are linked very early - directly after
base, block, misc, and mfd and before ata, scsi, ide, input, firewire,
usb, and i2c. This breaks static build of video4linux drivers, that use
generic CPU i2c adapter drivers and the v4l2-subdev subsystem, because
during video4linux probing the v4l2-subdev core requires a struct
i2c_adapter context, which cannot be satisfied before the i2c subsystem is
initialised. Moving drivers/media after drivers/i2c fixes this problem.

The best way to trigger action is by submitting a patch:-) So, let's see
what comes out of it - on the one hand I don't see any reason why media
has to be linked this early, and nobody was able to give me one yesterday
as this problem has been discussed on linux-media, OTOH, maybe indeed it
would be better to move i2c the whole way up above media, but that'd be
much bigger of a change, I think.
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Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:13 -03:00
Dan Carpenter
9401608bb3 V4L/DVB (11516): drivers/media/video/saa5246a.c: fix use-after-free
I lowered the kfree(t) down a couple lines and removed the superflous
"t->vdev = NULL;"

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:12 -03:00
Dan Carpenter
5b83cfa985 V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak
I moved the kfree() down a couple lines.  t->vdev is going to be in freed
memory so there is no point setting it to NULL.  I added a kfree(t) on a

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:11 -03:00
Mauro Carvalho Chehab
3964b58a25 V4L/DVB (11494a): cx231xx Kconfig fixes
selecting ALSA module breaks if !SND. Just remove select.

While here, let's fix the whitespacing at the Kconfig.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:11 -03:00
Andy Walls
92ab9baee3 V4L/DVB (11494): cx18: Send correct input routing value to external audio multiplexers
A late v4l2_subdev framework change accidentally sent the audio input
routing value to the external multiplexer, instead of the muxer input routing
value to the external multiplexer.  This change corrects that error.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-04-29 15:41:10 -03:00
Linus Torvalds
3dacbdad24 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits)
  e100: do not go D3 in shutdown unless system is powering off
  netfilter: revised locking for x_tables
  Bluetooth: Fix connection establishment with low security requirement
  Bluetooth: Add different pairing timeout for Legacy Pairing
  Bluetooth: Ensure that HCI sysfs add/del is preempt safe
  net: Avoid extra wakeups of threads blocked in wait_for_packet()
  net: Fix typo in net_device_ops description.
  ipv4: Limit size of route cache hash table
  Add reference to CAPI 2.0 standard
  Documentation/isdn/INTERFACE.CAPI
  update Documentation/isdn/00-INDEX
  ixgbe: Fix WoL functionality for 82599 KX4 devices
  veth: prevent oops caused by netdev destructor
  xfrm: wrong hash value for temporary SA
  forcedeth: tx timeout fix
  net: Fix LL_MAX_HEADER for CONFIG_TR_MODULE
  mlx4_en: Handle page allocation failure during receive
  mlx4_en: Fix cleanup flow on cq activation
  vlan: update vlan carrier state for admin up/down
  netfilter: xt_recent: fix stack overread in compat code
  ...
2009-04-29 07:55:45 -07:00
Thadeu Lima de Souza Cascardo
ac7c992cac e100: do not go D3 in shutdown unless system is powering off
After experimenting with kexec with the last merges after 2.6.29, I've
had some problems when probing e100.  It would not read the eeprom.  After
some bisects, I realized this has been like that since forever (at least
2.6.18).  The problem is that shutdown is doing the same thing that
suspend does and puts the device in D3 state.  I couldn't find a way to
get the device back to a sane state in the probe function.  So, based on
some similar patches from Rafael J. Wysocki for e1000, e1000e, and ixgbe,
I wrote this one for e100.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-28 22:42:39 -07:00
David S. Miller
bf0de3e9c8 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6 2009-04-28 22:40:49 -07:00
Stephen Hemminger
942e4a2bd6 netfilter: revised locking for x_tables
The x_tables are organized with a table structure and a per-cpu copies
of the counters and rules. On older kernels there was a reader/writer 
lock per table which was a performance bottleneck. In 2.6.30-rc, this
was converted to use RCU and the counters/rules which solved the performance
problems for do_table but made replacing rules much slower because of
the necessary RCU grace period.

This version uses a per-cpu set of spinlocks and counters to allow to
table processing to proceed without the cache thrashing of a global
reader lock and keeps the same performance for table updates.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-28 22:36:33 -07:00
Linus Torvalds
56a50adda4 Merge branch 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: fix up error path leak in i915_cmdbuffer
  drm/i915: fix unpaired i915 device mutex on entervt failure.
  drm/i915: add support for G41 chipset
  drm/i915: Enable ASLE if present
  drm/i915: Unregister ACPI video driver when exiting
  drm/i915: Register ACPI video even when not modesetting
  drm/i915: fix transition to I915_TILING_NONE
  drm/i915: Don't let an oops get triggered from irq_emit without dma init.
  drm/i915: allow tiled front buffers on 965+
2009-04-28 17:21:20 -07:00