| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are regression fixes (ACPI sysfs, ACPI video, suspend test),
ACPI cpuidle deadlock fix, missing runtime validation of ACPI _DSD
output, a fix and a new CPU ID for the RAPL driver, new blacklist
entry for the ACPI EC driver and a couple of trivial cleanups
(intel_pstate and generic PM domains).
Specifics:
- Fix for recently broken test_suspend= command line argument (Rafael
Wysocki).
- Fixes for regressions related to the ACPI video driver caused by
switching the default to native backlight handling in 3.16 from
Hans de Goede.
- Fix for a sysfs attribute of ACPI device objects that returns stale
values sometimes due to the fact that they are cached instead of
executing the appropriate method (_SUN) every time (broken in
3.14). From Yasuaki Ishimatsu.
- Fix for a deadlock between cpuidle_lock and cpu_hotplug.lock in the
ACPI processor driver from Jiri Kosina.
- Runtime output validation for the ACPI _DSD device configuration
object missing from the support for it that has been introduced
recently. From Mika Westerberg.
- Fix for an unuseful and misleading RAPL (Running Average Power
Limit) domain detection message in the RAPL driver from Jacob Pan.
- New Intel Haswell CPU ID for the RAPL driver from Jason Baron.
- New Clevo W350etq blacklist entry for the ACPI EC driver from Lan
Tianyu.
- Cleanup for the intel_pstate driver and the core generic PM domains
code from Gabriele Mazzotta and Geert Uytterhoeven"
* tag 'pm+acpi-3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / cpuidle: fix deadlock between cpuidle_lock and cpu_hotplug.lock
ACPI / scan: not cache _SUN value in struct acpi_device_pnp
cpufreq: intel_pstate: Remove unneeded variable
powercap / RAPL: change domain detection message
powercap / RAPL: add support for CPU model 0x3f
PM / domains: Make generic_pm_domain.name const
PM / sleep: Fix test_suspend= command line option
ACPI / EC: Add msi quirk for Clevo W350etq
ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
ACPI / video: Add a disable_native_backlight quirk
ACPI / video: Fix use_native_backlight selection logic
ACPICA: ACPI 5.1: Add support for runtime validation of _DSD package.
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* pm-sleep:
PM / sleep: Fix test_suspend= command line option
* powercap:
powercap / RAPL: change domain detection message
powercap / RAPL: add support for CPU model 0x3f
* pm-domains:
PM / domains: Make generic_pm_domain.name const
* pm-cpufreq:
cpufreq: intel_pstate: Remove unneeded variable
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It should have been removed with commit d1b6848590af
("cpufreq / intel_pstate: Optimize intel_pstate_set_policy")
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Many CPUs do not support complete set of RAPL domains, as a
result this detection failed message is very misleading and
can be annoying.
[ 5.082632] intel_rapl: RAPL domain core detection failed
[ 5.088370] intel_rapl: RAPL domain uncore detection failed
So lower the warning message to info and only print out the RAPL
domains that are supported.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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I've confirmed that monitoring the package power usage as well as setting power
limits appear to be working as expected. Supports the package and dram domains.
Tested aginst cpu:
Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz
Signed-off-by: Jason Baron <jbaron@akamai.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-video:
ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
ACPI / video: Add a disable_native_backlight quirk
ACPI / video: Fix use_native_backlight selection logic
* acpi-ec:
ACPI / EC: Add msi quirk for Clevo W350etq
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Clevo W350etq's EC will not produce GPE interrupt some time after
booting. The ACPI notify event won't trigger when the issue takes
place. After debugging, adding msi quirk for the machine can fix
the issue. This patch is to add msi quirk for the machine.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=77431
Reported-and-tested-by: qbanin@gmail.com
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Link: https://bugs.freedesktop.org/show_bug.cgi?id=81515
Reported-and-tested-by: Hohahiu <rakothedin@gmail.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some laptops have a working acpi_video backlight control, and using native
backlight on these causes a regression where backlight control does not work
when userspace is not handling brightness key events. Disable native_backlight
on these to fix this.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=81691
Reported-and-tested-by: Andre Müller <andre.muller@web.de>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 751109aad583 ("ACPI / video: Change the default for
video.use_native_backlight to 1") has changed the default for
use_native_backlight from 0 to 1, but instead of changing
use_native_backlight_dmi to true, and leaving use_native_backlight_param at -1,
it has changed use_native_backlight_param to 1.
This causes acpi_video_use_native_backlight() to always think that a value was
specified through the param, making it impossible to add a dmi based quirk
to force 0 now that the default is 1.
This fixes this by restoring the use_native_backlight_param default to -1, and
instead setting the use_native_backlight_dmi default to true.
Fixes: 751109aad583 (ACPI / video: Change the default for video.use_native_backlight to 1)
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpica:
ACPICA: ACPI 5.1: Add support for runtime validation of _DSD package.
* acpi-processor:
ACPI / cpuidle: fix deadlock between cpuidle_lock and cpu_hotplug.lock
* acpi-scan:
ACPI / scan: not cache _SUN value in struct acpi_device_pnp
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The _SUN device indentification object is not guaranteed to return
the same value every time it is executed, so we should not cache its
return value, but rather execute it every time as needed. If it is
cached, an incorrect stale value may be used in some situations.
This issue was exposed by commit 202317a573b2 (ACPI / scan: Add
acpi_device objects for all device nodes in the namespace). Fix it
by avoiding to cache the return value of _SUN.
Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is a following AB-BA dependency between cpu_hotplug.lock and
cpuidle_lock:
1) cpu_hotplug.lock -> cpuidle_lock
enable_nonboot_cpus()
_cpu_up()
cpu_hotplug_begin()
LOCK(cpu_hotplug.lock)
cpu_notify()
...
acpi_processor_hotplug()
cpuidle_pause_and_lock()
LOCK(cpuidle_lock)
2) cpuidle_lock -> cpu_hotplug.lock
acpi_os_execute_deferred() workqueue
...
acpi_processor_cst_has_changed()
cpuidle_pause_and_lock()
LOCK(cpuidle_lock)
get_online_cpus()
LOCK(cpu_hotplug.lock)
Fix this by reversing the order acpi_processor_cst_has_changed() does
thigs -- let it first execute the protection against CPU hotplug by
calling get_online_cpus() and obtain the cpuidle lock only after that (and
perform the symmentric change when allowing CPUs hotplug again and
dropping cpuidle lock).
Spotted by lockdep.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Adds ACPICA kernel runtime support to validate contents/format
of the _DSD package, similar to the iASL support. Ported by
Mika Westerberg.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Kevin Hilman:
"Another round of fixes from arm-soc land, which are mostly DT fixes
for:
- OMAP: handful of DT fixes devices on newly supported hardware
- davinci: fix 2nd EDMA channel
- ux500: extend previous pinctrl fix to another board
- at91: clock registration fixes, compatibility string precision
And one more fix for event cleanup in drivers/bus/arm-ccn"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
bus: arm-ccn: Move event cleanup routine
ARM: at91/dt: rm9200: fix usb clock definition
ARM: at91: rm9200: fix clock registration
ARM: at91/dt: sam9g20: set at91sam9g20 pllb driver
ARM: dts: dra7-evm: Add vtt regulator support
ARM: dts: dra7-evm: Fix spi1 mux documentation
ARM: dts: am43x-epos-evm: Disable QSPI to prevent conflict with GPMC-NAND
ARM: OMAP2+: gpmc: Don't complain if wait pin is used without r/w monitoring
ARM: dts: am43xx-epos-evm: Don't use read/write wait monitoring
ARM: dts: am437x-gp-evm: Don't use read/write wait monitoring
ARM: dts: am437x-gp-evm: Use BCH16 ECC scheme instead of BCH8
ARM: dts: am43x-epos-evm: Use BCH16 ECC scheme instead of BCH8
ARM: dts: am4372: fix USB regs size
ARM: dts: am437x-gp: switch i2c0 to 100KHz
ARM: dts: dra7-evm: Fix 8th NAND partition's name
ARM: dts: dra7-evm: Fix i2c3 pinmux and frequency
ARM: ux500: disable msp2 node on Snowball
ARM: edma: Fix configuration parsing for SoCs with multiple eDMA3 CC
ARM: dts: set 'ti,set-rate-parent' for dpll4_m5x2 clock
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The function cleaning up an initialized event
was called from the "event_del" handler, instead
of being used as the "destroy" callback. In case of
events group allocation this caused NULL pointer
dereference (as events are added and deleted
multiple times then). Fixed now.
Signed-off-by: Pawel Moll <mail@pawelmoll.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Pull mtd fixes from Brian Norris:
"Two trivial MTD updates for 3.17-rc4:
- a tiny comment tweak, to kill a bunch of DocBook warnings added
during the merge window
- a small fixup to the OTP routines' error handling"
* tag 'for-linus-20140905' of git://git.infradead.org/linux-mtd:
mtd: nand: fix DocBook warnings on nand_sdr_timings doc
mtd: cfi_cmdset_0002: check return code for get_chip()
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Coverity CID 1230633
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Christian Riesch <christian.riesch@omicron.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c bugfixes from Wolfram Sang:
"I2C driver bugfixes for the 3.17 release. Details can be found in the
commit messages, yet I think this is typical driver stuff"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Revert "i2c: rcar: remove spinlock"
i2c: at91: add bound checking on SMBus block length bytes
i2c: rk3x: fix bug that cause transfer fails in master receive mode
i2c: at91: Fix a race condition during signal handling in at91_do_twi_xfer.
i2c: mv64xxx: continue probe when clock-frequency is missing
i2c: rcar: fix MNR interrupt handling
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This reverts commit 150b8be3cda54412ad7b54f5392b513b25c0aaa7.
The I2C core's per-adapter locks can't protect from IRQs, so the driver still
needs a spinlock to protect the register accesses.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The driver was not bound checking the received length byte to ensure it was within the
the buffer size that is allocated for SMBus blocks. This resulted in buffer overflows
whenever an invalid length byte was received.
It also failed to ensure the length byte was not zero. If it received zero, it would end up
in an infinite loop as the at91_twi_read_next_byte function returned immediately without
allowing RHR to be read to clear the RXRDY interrupt.
Tested agaisnt a SMBus compliant battery.
Signed-off-by: Marek Roszko <mark.roszko@gmail.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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In rk3x SOC, the I2C controller can receive/transmit up to 32 bytes data
in one chunk, so the size of data to be write/read to/from TXDATAx/RXDATAx
must be less than or equal 32 bytes at a time.
Tested on rk3288-pinky board, elan receive 158 bytes data.
Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Acked-by: Max Schwarz <max.schwarz@online.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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There is a race condition in at91_do_twi_xfer when signals arrive.
If a signal is recieved while waiting for a transfer to complete
wait_for_completion_interruptible_timeout() will return -ERESTARTSYS.
This is not handled correctly resulting in interrupts still being
enabled and a transfer being in flight when we return.
Symptoms include a range of oopses and bus lockups. Oopses can happen
when the transfer completes because the interrupt handler will corrupt
the stack. If a new transfer is started before the interrupt fires
the controller will start a new transfer in the middle of the old one,
resulting in confused slaves and a locked bus.
To avoid this, use wait_for_completion_io_timeout instead so that we
don't have to deal with gracefully shutting down the transfer and
disabling the interrupts.
Signed-off-by: Simon Lindgren <simon@aqwary.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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The "clock-frequency" DT property is listed as optional, However,
the current code stores the return value of of_property_read_u32 in
the return code of mv64xxx_of_config, but then forgets to clear it
after setting the default value of "clock-frequency". It is then
passed out to the main probe function, resulting in a probe failure
when "clock-frequency" is missing.
This patch checks and then throws away the return value of
of_property_read_u32, instead of storing it and having to clear it
afterwards.
This issue was discovered after the property was removed from all
sunxi DTs.
Fixes: 4c730a06c19bb ("i2c: mv64xxx: Set bus frequency to 100kHz if clock-frequency is not provided")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Cc: stable@vger.kernel.org
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Sometimes the MNR and MST interrupts happen simultaneously (stop automatically
follows NACK, according to the manuals) and in such case the ID_NACK flag isn't
set since the MST interrupt handling precedes MNR and all interrupts are cleared
and disabled then, so that MNR interrupt is never noticed -- this causes NACK'ed
transfers to be falsely reported as successful. Exchanging MNR and MST handlers
fixes this issue, however the MNR bit somehow gets set again even after being
explicitly cleared, so I decided to completely suppress handling of all disabled
interrupts (which is a good thing anyway)...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: stable@vger.kernel.org
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- some documentation sync
- resource leak in the bt8xx driver
- again fix the way varargs are used to handle the optional flags on
the gpiod_* accessors. Now hopefully nailed the entire problem.
* tag 'gpio-v3.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: move varargs hack outside #ifdef GPIOLIB
gpio: bt8xx: fix release of managed resources
Documentation: gpio: documentation for optional getters functions
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These resources are managed by devres, and should not be explicitly
released.
Signed-off-by: Michael Auchter <a@phire.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull drm fixes from Dave Airlie:
- i915 fixes: a few display regressions
- vmwgfx: possible loop forever fix
- nouveau: one userspace interface fix
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/core: don't leak oclass type bits to user
drm/i915: Fix lock dropping in intel_tv_detect()
drm/i915: handle G45/GM45 pulse detection connected state.
drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle
drm/vmwgfx: Fix an incorrect OOM return value
drm/i915: Remove bogus __init annotation from DMI callbacks
drm/i915: don't warn if backlight unexpectedly enabled
drm/i915: Move intel_ddi_set_vc_payload_alloc(false) to haswell_crtc_disable()
drm/i915: fix plane/cursor handling when runtime suspended
drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U)
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
single fix for nouveau.
* 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/core: don't leak oclass type bits to user
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Fixes not being able to init fence subsystem when multiple boards are
present.
Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
here's a couple of display regression fixes for 3.17.
* tag 'drm-intel-fixes-2014-09-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Fix lock dropping in intel_tv_detect()
drm/i915: handle G45/GM45 pulse detection connected state.
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When intel_tv_detect() fails to do load detection it would forget to
drop the locks and clean up the acquire context. Fix it up.
This is a regression from:
commit 208bf9fdcd3575aa4a5d48b3e0295f7cdaf6fc44
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Mon Aug 11 13:15:35 2014 +0300
drm/i915: Fix locking for intel_enable_pipe_a()
v2: Make the code more readable (Chris)
v3: Drop WARN_ON(type < 0) (Chris)
Cc: stable@vger.kernel.org
Cc: Tibor Billes <tbilles@gmx.com>
Reported-by: Tibor Billes <tbilles@gmx.com>
Tested-by: Tibor Billes <tbilles@gmx.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In the HPD pulse handler we check for long pulses if the port is actually
connected, however we do that for IBX, but we use the pulse handling code on
GM45 systems as well, so we need to use a diffent check.
This patch refactors the digital port connected check out of the g4x detection
path and reuses it in the hpd pulse path.
Fixes: http://lkml.kernel.org/r/1409382202.5141.36.camel@marge.simpson.net
Reported-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://people.freedesktop.org/~thomash/linux into drm-fixes
Two vmwgfx fixes, marked for stable as well
* 'vmwgfx-fixes-3.17' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle
drm/vmwgfx: Fix an incorrect OOM return value
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The code waiting for fifo idle was incorrect and could possibly spin
forever under certain circumstances.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Mark Sheldon <markshel@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reivewed-by: Mark Sheldon <markshel@vmware.com>
Cc: <stable@vger.kernel.org>
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At the same time, make error paths return early for clarity.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: jakob Bornecrantz <jakob@vmware.com>
Cc: <stable@vger.kernel.org>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Some more fixes for 3.17, mostly stable material.
* tag 'drm-intel-fixes-2014-08-28' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Remove bogus __init annotation from DMI callbacks
drm/i915: don't warn if backlight unexpectedly enabled
drm/i915: Move intel_ddi_set_vc_payload_alloc(false) to haswell_crtc_disable()
drm/i915: fix plane/cursor handling when runtime suspended
drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U)
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The __init annotations for the DMI callback functions are wrong as this
code can be called even after the module has been initialized, e.g. like
this:
# echo 1 > /sys/bus/pci/devices/0000:00:02.0/remove
# modprobe i915
# echo 1 > /sys/bus/pci/rescan
The first command will remove the PCI device from the kernel's device
list so the second command won't see it right away. But as it registers
a PCI driver it'll see it on the third command. If the system happens to
match one of the DMI table entries we'll try to call a function in long
released memory and generate an Oops, at best.
Fix this by removing the bogus annotation.
Modpost should have caught that one but it ignores section reference
mismatches from the .rodata section. :/
Fixes: 25e341cfc33d ("drm/i915: quirk away broken OpRegion VBT")
Fixes: 8ca4013d702d ("CHROMIUM: i915: Add DMI override to skip CRT...")
Fixes: 425d244c8670 ("drm/i915: ignore LVDS on intel graphics systems...")
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Duncan Laurie <dlaurie@chromium.org>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au> # Can modpost be fixed?
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so log a debug message
instead of a warning if the backlight is unexpectedly enabled.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80930
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Somehow the intel_ddi_set_vc_payload_alloc(false) call has ended up
in ironlake_crtc_disable() rather than haswell_crtc_disable(). Move it
to the correct place.
intel_ddi_disable_transcoder_func() already disables the vc payload
allocation so this doesn't actually do anything more. The spec
says we should wait for some kind of ack after frobbing the bit. We
don't appear to do that currently, but if and when someone decides
that we should do it, intel_ddi_set_vc_payload_alloc() would appear
to be be the right place for it. So having the function call in
haswell_crtc_disable() seems like the right thing for the future
even if it does nothing currently.
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If we're runtime suspended and try to use the plane interfaces, we
will get a lot of WARNs saying we did the wrong thing.
We need to get runtime PM references to pin the objects, and to
change the fences. The pin functions are the ideal places for
this, but intel_crtc_cursor_set_obj() doesn't call them, so we also
have to add get/put calls inside it. There is no problem if we runtime
suspend right after these functions are finished, because the
registers written are forwarded to system memory.
Note: for a complete fix of the cursor-dpms test case, we also need
the patch named "drm/i915: Don't try to enable cursor from setplane
when crtc is disabled".
v2: - Narrow the put/get calls on intel_crtc_cursor_set_obj() (Daniel)
v3: - Make get/put also surround the fence and unpin calls (Daniel and
Ville).
- Merge all the plane changes into a single patch since they're
the same fix.
- Add the comment requested by Daniel.
v4: - Remove spurious whitespace (Ville).
v5: - Remove intel_crtc_update_cursor() chunk since Ville did an
equivalent fix in another patch (Ville).
v6: - Remove unpin chunk: it will be on a separate patch (Ville,
Chris, Daniel).
v7: - Same thing, new color.
Testcase: igt/pm_rpm/cursor
Testcase: igt/pm_rpm/cursor-dpms
Testcase: igt/pm_rpm/legacy-planes
Testcase: igt/pm_rpm/legacy-planes-dpms
Testcase: igt/pm_rpm/universal-planes
Testcase: igt/pm_rpm/universal-planes-dpms
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81645
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82603
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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commit c675949ec58ca50d5a3ae3c757892f1560f6e896
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Apr 9 11:31:37 2014 +0300
drm/i915: do not setup backlight if not available according to VBT
prevents backlight setup on the Acer C720 (Core i3 4005U CPU), which has a
misconfigured VBT. Apply quirk to ignore the VBT backlight presence check
during backlight setup.
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Tested-by: Tyler Cleveland <siralucardt@openmailbox.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org (3.15+)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon bugfix from Guenter Roeck:
"Fix a bug in the ds1621 driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ds1621) Update zbits after conversion rate change
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After the conversion rate is changed, the zbits are not updated,
but should be, since they are used later in the set_temp function.
Fixes: a50d9a4d9ad3 ("hwmon: (ds1621) Fix temperature rounding operations")
Reported-by: Murat Ilsever <murat.ilsever@gmail.com>
Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform drivers fixes from Darren Hart:
"This is my first pull request since taking on maintenance for the
platform-drivers-x86 tree from Matthew Garrett. These have passed my
build testing and been run through Fengguang's LKP tests. Due to
timing this round, these have not spent any time in linux-next. I
have asked Stephen to include my for-next branch in linux-next going
forward, once he's back from vacation.
Details from tag:
- toshiba_acpi: re-enable hotkeys and cleanups
- ideapad-laptop: revert touchpad disable, and cleanup static/const
usage
- MAINTAINERS: update platform-drivers-x86 maintainer and tree"
* tag 'platform-drivers-x86-v3.17-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
toshiba_acpi: fix and cleanup toshiba_kbd_bl_mode_store()
platform/x86: toshiba: re-enable acpi hotkeys after suspend to disk
ideapad-laptop: Constify DMI table for real!
Revert "ideapad-laptop: Disable touchpad interface on Yoga models"
MAINTAINERS: Update platform-drivers-x86 maintainer and tree
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The current code just returns -EINVAL because mode can't be equal to
both 1 and 2.
Also this function is messy so I have cleaned it up:
1) Remove initializers like "int time = -1". Initializing variables to
garbage values turns off GCC's uninitialized variable warnings so it
can lead to bugs.
2) Use kstrtoint() instead of sscanf().
3) Use SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO instead of magic numbers 1
and 2.
4) Don't check for "mode == -1" because that can't happen.
5) Preserve the error code from toshiba_kbd_illum_status_set().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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On the Toshiba Tecra Z40, after a suspend-to-disk, some FN hotkeys
driven by toshiba_acpi are not functional.
Calling the ACPI object ENAB on resume makes them back alive.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This is a follow-up patch to commit 49458e83082d ("ideapad-laptop:
Constify DMI table and other r/o variables") to do what its commit
message says. The actual commit differs from the patch posted at
https://www.mail-archive.com/platform-driver-x86@vger.kernel.org/msg05340.html
significantly, probably due to a bad merge conflict resolution. Fix up
the mess and constify the DMI table for real and fix the bogus
double-const of ideapad_rfk_data[].
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Cc: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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I've received a bug report from a user that the touchpad control part
of the ideapad-laptop ACPI interface does work for him on his
"Lenovo Yoga 2 13", and that this patch causes a regression for him.
Since it did not work for me when I had a "Lenovo Yoga 2 11" in my own
hands (loaned from a friend). It seems that this is a bit of hit and miss.
Since the result of having a false positive here is worse, then the minor
annoyance of a false touchpad disabled messages being shown after suspend /
resume on models (or is it firmware versions?) where the interface does not
work, simply revert the patch.
This reverts commit f79a901331a823ae370584b15cd39dd110b95a0a.
Reported-by: GOESSEL Guillaume <g_goessel@outlook.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"A fix for MT breakage, enhancement to Elantech PS/2 driver and a
couple of assorted fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add support for trackpoint found on some v3 models
Input: elantech - reset the device when elantech probe fails
Input: ALPS - suppress message about 'Unknown touchpad'
Input: fix used slots detection breakage
Input: sparc - i8042-sparcio.h: fix unused kbd_res warning
Input: atmel_mxt_ts - improve description of gpio-keymap property
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