| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner.
Various trivial conflict fixups in arch Kconfig due to addition of
unrelated entries nearby. And one slightly more subtle one for sparc32
(new user of GENERIC_CLOCKEVENTS), fixed up as per Thomas.
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
timekeeping: Fix a few minor newline issues.
time: remove obsolete declaration
ntp: Fix a stale comment and a few stray newlines.
ntp: Correct TAI offset during leap second
timers: Fixup the Kconfig consolidation fallout
x86: Use generic time config
unicore32: Use generic time config
um: Use generic time config
tile: Use generic time config
sparc: Use: generic time config
sh: Use generic time config
score: Use generic time config
s390: Use generic time config
openrisc: Use generic time config
powerpc: Use generic time config
mn10300: Use generic time config
mips: Use generic time config
microblaze: Use generic time config
m68k: Use generic time config
m32r: Use generic time config
...
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into timers/core
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Fix a few minor newline issues.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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The function, timekeeping_leap_insert, was removed in commit
6b43ae8a619d17c4935c3320d2ef9e92bdeed05d
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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When repeating a UTC time value during a leap second (when the UTC
time should be 23:59:60), the TAI timescale should not stop. The kernel
NTP code increments the TAI offset one second too late. This patch fixes
the issue by incrementing the offset during the leap second itself.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Sigh, I missed to check which architecture Kconfig files actually
include the core Kconfig file. There are a few which did not. So we
broke them.
Instead of adding the includes to those, we are better off to move the
include to init/Kconfig like we did already with irqs and others.
This does not change anything for the architectures using the old
style periodic timer mode. It just solves the build wreckage there.
For those architectures which use the clock events infrastructure it
moves the include of the core Kconfig file to "General setup" which is
a way more logical place than having it at random locations specified
by the architecture specific Kconfigs.
Reported-by: Ingo Molnar <mingo@kernel.org>
Cc: Anna-Maria Gleixner <anna-maria@glx-um.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Link: http://lkml.kernel.org/r/20120518163104.630579708@glx-um.de
Cc: x86@kernel.org
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Link: http://lkml.kernel.org/r/20120518163107.383567224@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Acked-by: Richard Weinberger <richard@nod.at>
Link: http://lkml.kernel.org/r/20120518163107.251597655@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Link: http://lkml.kernel.org/r/20120518163107.122560037@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: David S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20120518163106.987564297@glx-um.de
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Link: http://lkml.kernel.org/r/20120518163106.857566635@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Link: http://lkml.kernel.org/r/20120518163106.727602709@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Link: http://lkml.kernel.org/r/20120518163106.595607369@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Acked-by: Jonas Bonn <jonas@southpole.se>
Link: http://lkml.kernel.org/r/20120518163106.333611712@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Link: http://lkml.kernel.org/r/20120518163106.464567389@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: David Howells <dhowells@redhat.com>
Link: http://lkml.kernel.org/r/20120518163106.201635926@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Link: http://lkml.kernel.org/r/20120518163106.073559820@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Michal Simek <monstr@monstr.eu>
Link: http://lkml.kernel.org/r/20120518163105.939597527@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/20120518163105.808606368@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Link: http://lkml.kernel.org/r/20120518163105.678581749@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/20120518163105.547603093@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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config GENERIC_TIME not longer used.
Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Richard Kuo <rkuo@codeaurora.org>
Link: http://lkml.kernel.org/r/20120518163105.416570309@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Link: http://lkml.kernel.org/r/20120518163105.286556794@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Acked-by: Mark Salter <msalter@redhat.com>
Link: http://lkml.kernel.org/r/20120518163105.156595383@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Use seperate selector for clockevents.
Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Mike Frysinger <vapier@gentoo.org>
Link: http://lkml.kernel.org/r/20120518163105.026597932@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Link: http://lkml.kernel.org/r/20120518163104.889514832@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Russell King <linux@arm.linux.org.uk>
Link: http://lkml.kernel.org/r/20120518163104.760560327@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Acked-by: Matt Turner <mattst88@gmail.com>
Link: http://lkml.kernel.org/r/20120518163107.510619939@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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We really don't want all the arch code defining stuff
over and over.
[ anna-maria: Added missing GENERIC_CMOS_UPDATE switch ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Link: http://lkml.kernel.org/r/1337529587.3208.2.camel@dionysos
Acked-by: Sam Ravnborg <sam@ravnborg.org>
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This is particularly to be able to specify "hpet=force,verbose",
as "force" ought to be a primary candidate for also wanting to
use "verbose".
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/4F79D120020000780007C031@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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While Linux itself has been calling hpet_disable() for quite a
while, having e.g. a secondary (kexec) kernel depend on such
behavior of the primary (crashed) environment is fragile. It
particularly broke until very recently when the primary
environment was Xen based, as that hypervisor did not clear any
of the HPET settings it may have used.
Rather than blindly (and incompletely) clearing certain HPET
settings in hpet_disable(), latch the config register settings
during boot and restore then here.
(Note on the hpet_set_mode() change: Now that we're clearing the
level bit upon initialization, there's no need anymore to do so
here.)
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/4F79D0BB020000780007C02D@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull IEEE 1394 (FireWire) subsystem updates from Stefan Richter:
- Fix mismatch between DMA mapping direction (was wrong) and DMA
synchronization direction (was correct) of isochronous reception
buffers of userspace drivers if vma-mapped for R/W access. For
example, libdc1394 was affected.
- more consistent retry stategy in device discovery/ rediscovery, and
improved failure diagnostics
- various small cleanups, e.g. use SCSI layer's DMA mapping API in
firewire-sbp2
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: sbp2: document the absence of alignment requirements
firewire: sbp2: remove superfluous blk_queue_max_segment_size() call
firewire: sbp2: use scsi_dma_(un)map
firewire: sbp2: give correct DMA device to scsi framework
firewire: core: fw_device_refresh(): clean up error handling
firewire: core: log config rom reading errors
firewire: core: log error in case of failed bus manager lock
firewire: move rcode_string() to core
firewire: core: improve reread_config_rom() interface
firewire: core: wait for inaccessible devices after bus reset
firewire: ohci: omit spinlock IRQ flags where possible
firewire: ohci: correct signedness of a local variable
firewire: core: fix DMA mapping direction
firewire: use module_pci_driver
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The SBP-2/3 specifications do not require any alignment of data
buffers; only their own data structures need to be quadlet-aligned
[SR: or octlet-aligned].
Fix the comments to reflect this, but leave the actual alignment at
32 bits to avoid theoretical problems with target implementations
that might handle this incorrectly.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The SCSI framework automatically initializes the block queue's segment
size with the DMA device's segment size.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Use the scsi_dma_map/scsi_dma_unmap helper to simplify the code
a little.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The sbp2 driver does DMA not on the unit but on the card device.
The driver worked even with the wrong device because at the moment, it
happens to reimplement the DMA functions of the SCSI framework.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Linux 3.4
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In fw_device_init() and fw_device_refresh(), if a call to
read_cofig_rom() fails, the operation is retried a few times, with
these retries being controlled by the MAX_RETRIES and RETRY_DELAY
symbols.
fw_device_refresh() also reads part of the config rom by calling
reread_config_rom(). Any errors from this call resulted in retries
with MAX_RETRIES/2 and RETRY_DELAY/2.
There is no reason to require that a device that has initiated a bus
reset must react faster to read requests than a device that has just
been plugged in. Furthermore, if the config rom has changed, any
errors from the following read_config_rom() call are then handled
with the normal retry count and delay.
Remove this inconsistency by always using the normal retry count and
delay. (This also makes the two error handlers identical and allows
merging them.)
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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If reading or refreshing a config rom fails, also log the actual error
that caused it to fail.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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If the lock access to the bus manager register fails, also log the
actual error that caused it to fail.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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There is nothing audio-specific about the rcode_string() helper, so move
it from snd-firewire-lib into firewire-core to allow other code to use it.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed sound/firewire/cmp.c)
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The return value of reread_config_rom() was a mixture of two pieces of
information: whether the function succeeded, and whether the config rom
had changed.
To clarify the semantics, and to allow returning the actual error code,
split the second information into a new output parameter.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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When reread_config_rom() encountered a config rom that was marked as not
yet accessible, that device would be treated as "gone". This would mean
that that device would effectively vanish until the next bus reset.
The correct way to handle this situation is the same as in
read_config_rom(), to treat this like other errors and to retry the read
later, when the (possibly changed) config rom is available. The device
is marked "gone" only if it continues to return zero values after these
retries.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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bus_reset_work() is only called from workqueue thread context.
ohci_set_config_rom() and ohci_allocate_iso_context() perform GFP_KERNEL
memory allocations, therefore they must be called with interrupts
enabled.
Hence these functions may disable and enable local IRQs without having
to track IRQ state.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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bus_reset_work's reg is a bitfield.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Seen with recent libdc1394: If a client mmap()s the buffer of an
isochronous reception buffer with PROT_READ|PROT_WRITE instead of just
PROT_READ, firewire-core sets the wrong DMA mapping direction during
buffer initialization.
The fix is to split fw_iso_buffer_init() into allocation and DMA mapping
and to perform the latter after both buffer and DMA context were
allocated. Buffer allocation and context allocation may happen in any
order, but we need the context type (reception or transmission) in order
to set the DMA direction of the buffer.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This patch converts the drivers in drivers/firewire/* to use module_pci_driver()
macro which makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Pull main drm updates from Dave Airlie:
"This is the main merge window request for the drm.
It's big, but jam packed will lots of features and of course 0
regressions. (okay maybe there'll be one).
Highlights:
- new KMS drivers for server GPU chipsets: ast, mgag200 and cirrus
(qemu only). These drivers use the generic modesetting drivers.
- initial prime/dma-buf support for i915, nouveau, radeon, udl and
exynos
- switcheroo audio support: so GPUs with HDMI can turn off the sound
driver without crashing stuff.
- There are some patches drifting outside drivers/gpu into x86 and
EFI for better handling of multiple video adapters in Apple Macs,
they've got correct acks except one trivial fixup.
- Core:
edid parser has better DMT and reduced blanking support,
crtc properties,
plane properties,
- Drivers:
exynos: add 2D core accel support, prime support, hdmi features
intel: more Haswell support, initial Valleyview support, more
hdmi infoframe fixes, update MAINTAINERS for Daniel, lots of
cleanups and fixes
radeon: more HDMI audio support, improved GPU lockup recovery
support, remove nested mutexes, less memory copying on PCIE, fix
bus master enable race (kexec), improved fence handling
gma500: cleanups, 1080p support, acpi fixes
nouveau: better nva3 memory reclocking, kepler accel (needs
external firmware rip), async buffer moves on nv84+ hw.
I've some more dma-buf patches that rely on the dma-buf merge for vmap
stuff, and I've a few fixes building up, but I'd decided I'd better
get rid of the main pull sooner rather than later, so the audio guys
are also unblocked."
Fix up trivial conflict due to some duplicated changes in
drivers/gpu/drm/i915/intel_ringbuffer.c
* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (605 commits)
drm/nouveau/nvd9: Fix GPIO initialisation sequence.
drm/nouveau: Unregister switcheroo client on exit
drm/nouveau: Check dsm on switcheroo unregister
drm/nouveau: fix a minor annoyance in an output string
drm/nouveau: turn a BUG into a WARN
drm/nv50: decode PGRAPH DATA_ERROR = 0x24
drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
drm/nvd9/copy: initialise copy engine, seems to work like nvc0
drm/nvc0/ttm: use copy engines for async buffer moves
drm/nva3/ttm: use copy engine for async buffer moves
drm/nv98/ttm: add in a (disabled) crypto engine buffer copy method
drm/nv84/ttm: use crypto engine for async buffer copies
drm/nouveau/ttm: untangle code to support accelerated buffer moves
drm/nouveau/fbcon: use fence for sync, rather than notifier
drm/nv98/crypt: non-stub implementation of the engine hooks
drm/nouveau/fifo: turn all fifo modules into engine modules
drm/nv50/graph: remove ability to do interrupt-driven context switching
drm/nv50: remove manual context unload on context destruction
drm/nv50: remove execution engine context saves on suspend
drm/nv50/fifo: use hardware channel kickoff functionality
...
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