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1/ When an different between blocks is found, data is copied from
one bio to the other. However bv_len is used as the length to
copy and this could be zero. So use r10_bio->sectors to calculate
length instead.
Using bv_len was probably always a bit dubious, but the introduction
of bio_advance made it much more likely to be a problem.
2/ When preparing some blocks for sync, we don't set BIO_UPTODATE
except on bios that we schedule for a read. This ensures that
missing/failed devices don't confuse the loop at the top of
sync_request write.
Commit 8be185f2c9d54d6 "raid10: Use bio_reset()"
removed a loop which set BIO_UPTDATE on all appropriate bios.
So we need to re-add that flag.
These bugs were introduced in 3.10, so this patch is suitable for
3.10-stable, and can remove a potential for data corruption.
Cc: stable@vger.kernel.org (3.10)
Reported-by: Brassow Jonathan <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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more DPM fixes for radeon.
* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/dpm: add debugfs support for RS780/RS880 (v3)
drm/radeon/dpm/atom: fix broken gcc harder
drm/radeon/dpm/atom: restructure logic to work around a compiler bug
drm/radeon/dpm: fix atom vram table parsing
drm/radeon: fix an endian bug in atom table parsing
drm/radeon: add a module parameter to disable aspm
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This allows you to look at the current DPM state via
debugfs.
Due to the way the hardware works on these asics, there's
no way to look up exactly what power state we are in, so
we make the best guess we can based on the current sclk.
v2: Anthoine's version
v3: fix ref div
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pull nfsd bugfixes from Bruce Fields:
"Just three minor bugfixes"
* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
svcrdma: underflow issue in decode_write_list()
nfsd4: fix minorversion support interface
lockd: protect nlm_blocked access in nlmsvc_retry_blocked
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See bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=66932
https://bugs.freedesktop.org/show_bug.cgi?id=66972
https://bugs.freedesktop.org/show_bug.cgi?id=66945
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It seems gcc 4.8.1 generates bogus code for the old logic causing
part of the function to get skipped.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=66932
https://bugs.freedesktop.org/show_bug.cgi?id=66972
https://bugs.freedesktop.org/show_bug.cgi?id=66945
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Parsing the table in incorrectly led to problems with
certain asics with mclk switching.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Can cause hangs when enabled in certain motherboards.
Set radeon.aspm=0 to disable aspm.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The GEM CMA PRIME import/export helpers have been removed in favor of
generic GEM PRIME helpers with GEM CMA low-level operations. Fix the
driver accordingly.
Reported-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Mark Brown <broonie@linaro.org>
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The GEM CMA PRIME import/export helpers have been removed in favor of
generic GEM PRIME helpers with GEM CMA low-level operations. Fix the
driver accordingly.
Reported-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Mark Brown <broonie@linaro.org>
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We've got bug reports that the module loading stuck on Debian system
with 3.10 kernel. The debugging session revealed that the initial
registration of OSS sequencer clients stuck at module loading time,
which involves again with request_module() at the init phase. This is
triggered only by special --install stuff Debian is using, but it's
still not good to have such loops.
As a workaround, call the registration part asynchronously. This is a
better approach irrespective of the hang fix, in anyway.
Reported-and-tested-by: Philipp Matthias Hahn <pmhahn@pmhahn.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix new kernel-doc warning in drivers/base/platform.c:
Warning(drivers/base/platform.c:528): No description found for parameter 'owner'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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__list_for_each used to be the non prefetch() aware list walking
primitive. When we removed the prefetch macros from the list routines,
it became redundant. Given it does exactly the same thing as
list_for_each now, we might as well remove it and call list_for_each
directly.
All users of __list_for_each have been converted to list_for_each calls
in the current merge window.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://people.freedesktop.org/~danvet/drm-intel
One feature latecomer, I've forgotten to merge the patch to reeanble the
Haswell power well feature now that the audio interaction is fixed up.
Since that was the only unfixed issue with it I've figured I could throw
it in a bit late, and it's trivial to revert in case I'm wrong.
Otherwise all bug/regression fixes:
- Fix status page reinit after gpu hangs, spotted by more paranoid igt
checks.
- Fix object list walking fumble regression in the shrinker (only the
counting part, the actual shrinking code was correct so no Oops
potential), from Xiong Zhang.
- Fix DP 1.2 bw limits (Imre).
- Restore legacy forcewake on ivb, too many broken biosen out there. We
dump a warn though that recent userspace might fall over with that
config (Guenter Roeck).
- Patch up the gen2 cs tlb w/a.
- Improve the fence coherency w/a now that we have a better understanding
what's going on. The removed wbinvd+ipi should make -rt folks happy. Big
thanks to Jon Bloomfield for figuring this out, patches from Chris.
- Fix write-read race when switching ring (Chris). Spotted with code
inspection, but now we also have an igt for it.
There's an ugly regression we're still working on introduced between
3.10-rc7 and 3.10.0. Unfortunately we can't just revert the offender since
that one fixes another regression :( I've asked Steven to include my
-fixes branch into linux-next to prevent such fallout in the future,
hopefully.
* tag 'drm-intel-fixes-2013-07-11' of git://people.freedesktop.org/~danvet/drm-intel:
Revert "drm/i915: Workaround incoherence between fences and LLC across multiple CPUs"
drm/i915: Fix incoherence with fence updates on Sandybridge+
drm/i915: Fix write-read race with multiple rings
Partially revert "drm/i915: unconditionally use mt forcewake on hsw/ivb"
drm/i915: fix lane bandwidth capping for DP 1.2 sinks
drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a
drm/i915: Correct obj->mm_list link to dev_priv->dev_priv->mm.inactive_list
drm/i915: switch disable_power_well default value to 1
drm/i915: reinit status page registers after gpu reset
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Since the IDT is referenced from a fixmap, make sure it is page aligned.
Merge with 32-bit one, since it was already aligned to deal with F00F
bug. Since bss is cleared before IDT setup, it can live there. This also
moves the other *_idt_table variables into common locations.
This avoids the risk of the IDT ever being moved in the bss and having
the mapping be offset, resulting in calling incorrect handlers. In the
current upstream kernel this is not a manifested bug, but heavily patched
kernels (such as those using the PaX patch series) did encounter this bug.
The tables other than idt_table technically do not need to be page
aligned, at least not at the current time, but using a common
declaration avoids mistakes. On 64 bits the table is exactly one page
long, anyway.
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/20130716183441.GA14232@www.outflux.net
Reported-by: PaX Team <pageexec@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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With the last patches stat.h was included to the header, and thus those
permission defines should be used.
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the recent changes to sysfs there's various helper macro's.
However there's no RW, RO BIN_ helper macro's. This patch adds them.
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We should be using groups, not attribute lists, for classes to allow
subdirectories, and soon, binary files. Groups are just more flexible
overall, so add them.
The dev_attrs list will go away after all in-kernel users are converted
to use dev_groups.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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device_create_groups lets callers create devices as well as associated
sysfs attributes with a single call. This avoids race conditions seen
if sysfs attributes on new devices are created later.
[fixed up comment block placement and add checks for printk buffer
formats - gregkh]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When only using bin_attrs instead of attrs the kernel prints a warning
and refuses to create the sysfs entry. This fixes that.
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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groups should be able to support binary attributes, just like it
supports "normal" attributes. This lets us only handle one type of
structure, groups, throughout the driver core and subsystems, making
binary attributes a "full fledged" part of the driver model, and not
something just "tacked on".
Reported-by: Oliver Schinagl <oliver@schinagl.nl>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make it easier to create attributes without having to always audit the
mode settings.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This makes it easier to create static binary attributes, which is needed
in a number of drivers, instead of "open coding" them.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To make it easier for driver subsystems to work with attribute groups,
create the ATTRIBUTE_GROUPS macro to remove some of the repetitive
typing for the most common use for attribute groups.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A number of parts of the kernel created their own version of this, might
as well have the sysfs core provide it instead.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Vendor ID 0x10de0060 is used by a yet-to-be-named GPU chip.
Reviewed-by: Andy Ritger <aritger@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fixup for commit "uvesafb: Clean up MTRR code"
(63e28a7a5ffce59b645ca9cbcc01e1e8be56bd75)
Signed-off-by: Sylvain "ythier" Hitier <sylvain.hitier@gmail.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Also-spotted-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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More DPM fixes, r6xx DMA fix for bo moving, UVD fixes,
one major regression fix on bootup on some machine (ttm backoff missing)
* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
radeon kms: do not flush uninitialized hotplug work
drm/radeon/dpm/sumo: handle boost states properly when forcing a perf level
drm/radeon: align VM PTBs (Page Table Blocks) to 32K
drm/radeon: allow selection of alignment in the sub-allocator
drm/radeon: never unpin UVD bo v3
drm/radeon: fix UVD fence emit
drm/radeon: add fault decode function for CIK
drm/radeon: add fault decode function for SI (v2)
drm/radeon: add fault decode function for cayman/TN (v2)
drm/radeon: use radeon device for request firmware
drm/radeon: add missing ttm_eu_backoff_reservation to radeon_bo_list_validate
drm/radeon: use CP DMA on r6xx for bo moves
drm/radeon: implement bo copy callback using CP DMA (v2)
drm/radeon: Disable dma rings for bo moves on r6xx
drm/radeon/dpm: disable gfx PG on PALM
drm/radeon/hdmi: make sure we have an afmt block assigned
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"Fix regmap crash for async operation on busless maps
This fixes a crash if something tries to do an asynchronous operation
on busless maps which was introduced during the merge window"
* tag 'regmap-v3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: cache: bail in regmap_async_complete() for bus-less maps
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of things missed during the v3.11 work here:
- The spi-bitbang core requires a setup() function even if it does
nothing which caused breakage when some empty setup functions were
removed after their contents were factored out into the core.
While this is clearly silly and will be fixed for v3.12 for now we
just restore the functions.
- A missing case handled in the s3c64xx driver"
* tag 'spi-v3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: revert master->setup function removal for altera and nuc900
spi/xilinx: Revert master->setup function removal
spi: s3c64xx: add missing check for polling mode
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There are CPUs which have errata causing RDMSR of a nonexistent MSR to
not fault. We would then try to WRMSR to restore the value of that
MSR, causing a crash. Specifically, some Pentium M variants would
have this problem trying to save and restore the non-existent EFER,
causing a crash on resume.
Work around this by making sure we can write back the result at
suspend time.
Huge thanks to Christian Sünkenberg for finding the offending erratum
that finally deciphered the mystery.
Reported-and-tested-by: Johan Heinrich <onny@project-insanity.org>
Debugged-by: Christian Sünkenberg <christian.suenkenberg@student.kit.edu>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Link: http://lkml.kernel.org/r/51DDC972.3010005@student.kit.edu
Cc: <stable@vger.kernel.org> # v3.7+
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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My static checker marks everything from ntohl() as untrusted and it
complains we could have an underflow problem doing:
return (u32 *)&ary->wc_array[nchunks];
Also on 32 bit systems the upper bound check could overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Fix a warning from lockdep caused by calling flush_work() for
uninitialized hotplug work. Initialize hotplug_work, audio_work
and reset_work upon successful radeon_irq_kms_init() completion
and thus perform hotplug flush_work only when rdev->irq.installed
is true.
[ 4.790019] [drm] Loading CEDAR Microcode
[ 4.790943] r600_cp: Failed to load firmware "radeon/CEDAR_smc.bin"
[ 4.791152] [drm:evergreen_startup] *ERROR* Failed to load firmware!
[ 4.791330] radeon 0000:01:00.0: disabling GPU acceleration
[ 4.792633] INFO: trying to register non-static key.
[ 4.792792] the code is fine but needs lockdep annotation.
[ 4.792953] turning off the locking correctness validator.
[ 4.793114] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.11.0-rc0-dbg-10676-gfe56456-dirty #1816
[ 4.793314] Hardware name: Acer Aspire 5741G /Aspire 5741G , BIOS V1.20 02/08/2011
[ 4.793507] ffffffff821fd810 ffff8801530b9a18 ffffffff8160434e 0000000000000002
[ 4.794155] ffff8801530b9ad8 ffffffff810b8404 ffff8801530b0798 ffff8801530b0000
[ 4.794789] ffff8801530b9b00 0000000000000046 00000000000004c0 ffffffff00000000
[ 4.795418] Call Trace:
[ 4.795573] [<ffffffff8160434e>] dump_stack+0x4e/0x82
[ 4.795731] [<ffffffff810b8404>] __lock_acquire+0x1a64/0x1d30
[ 4.795893] [<ffffffff814a87f0>] ? dev_vprintk_emit+0x50/0x60
[ 4.796034] [<ffffffff810b8fb4>] lock_acquire+0xa4/0x200
[ 4.796216] [<ffffffff8106cd75>] ? flush_work+0x5/0x280
[ 4.796375] [<ffffffff8106cdad>] flush_work+0x3d/0x280
[ 4.796520] [<ffffffff8106cd75>] ? flush_work+0x5/0x280
[ 4.796682] [<ffffffff810b659d>] ? trace_hardirqs_on_caller+0xfd/0x1c0
[ 4.796862] [<ffffffff8131d775>] ? delay_tsc+0x95/0xf0
[ 4.797024] [<ffffffff8141bb8b>] radeon_irq_kms_fini+0x2b/0x70
[ 4.797186] [<ffffffff814557c9>] evergreen_init+0x2a9/0x2e0
[ 4.797347] [<ffffffff813ebb1f>] radeon_device_init+0x5ef/0x700
[ 4.797511] [<ffffffff81335bc7>] ? pci_find_capability+0x47/0x50
[ 4.797672] [<ffffffff813edaed>] radeon_driver_load_kms+0x8d/0x150
[ 4.797843] [<ffffffff813ce426>] drm_get_pci_dev+0x166/0x280
[ 4.798007] [<ffffffff8116cff5>] ? kfree+0xf5/0x2e0
[ 4.798168] [<ffffffff813ea298>] ? radeon_pci_probe+0x98/0xd0
[ 4.798329] [<ffffffff813ea2aa>] radeon_pci_probe+0xaa/0xd0
[ 4.798489] [<ffffffff81339404>] pci_device_probe+0x84/0xe0
[ 4.798644] [<ffffffff814ac7d6>] driver_probe_device+0x76/0x240
[ 4.798805] [<ffffffff814aca73>] __driver_attach+0x93/0xa0
[ 4.798948] [<ffffffff814ac9e0>] ? __device_attach+0x40/0x40
[ 4.799126] [<ffffffff814aa82b>] bus_for_each_dev+0x6b/0xb0
[ 4.799272] [<ffffffff814ac2be>] driver_attach+0x1e/0x20
[ 4.799434] [<ffffffff814abec0>] bus_add_driver+0x1f0/0x280
[ 4.799596] [<ffffffff814ad0e4>] driver_register+0x74/0x150
[ 4.799758] [<ffffffff8133923d>] __pci_register_driver+0x5d/0x60
[ 4.799936] [<ffffffff81d16efc>] ? ttm_init+0x67/0x67
[ 4.800081] [<ffffffff813ce655>] drm_pci_init+0x115/0x130
[ 4.800243] [<ffffffff81d16efc>] ? ttm_init+0x67/0x67
[ 4.800405] [<ffffffff81d16f98>] radeon_init+0x9c/0xba
[ 4.800586] [<ffffffff810002ca>] do_one_initcall+0xfa/0x150
[ 4.800746] [<ffffffff81073f60>] ? parse_args+0x120/0x330
[ 4.800909] [<ffffffff81cdafae>] kernel_init_freeable+0x111/0x191
[ 4.801052] [<ffffffff81cda87a>] ? do_early_param+0x88/0x88
[ 4.801233] [<ffffffff815fb670>] ? rest_init+0x140/0x140
[ 4.801393] [<ffffffff815fb67e>] kernel_init+0xe/0x180
[ 4.801556] [<ffffffff8160dcac>] ret_from_fork+0x7c/0xb0
[ 4.801718] [<ffffffff815fb670>] ? rest_init+0x140/0x140
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Need to properly enable/disable boost states when forcing a performance
level.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Covers requirements of all current asics.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.11
The biggest change here is the OMAP change, these are larger than I'd
have liked but make the driver actually usable - during the merge window
OMAP removed support for non-DT OMAP4 boards but in doing so removed the
method of accessing DMA channels used by the ASoC drivers rendering them
unusuable.
Otherwise nothing exciting, the symmetric rates change for WM8978 is a
fix for the information we expose to userspace.
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