Commit Graph

562944 Commits

Author SHA1 Message Date
yanyang1
3a287055ae drm/amd/powerplay: Add ixSWRST_COMMAND_1 in bif_5_0_d.h
Add ixSWRST_COMMAND_1 in bif_5_0_d.h.  Required by
new powerplay code for tonga and fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
2015-12-21 16:42:12 -05:00
Rex Zhu
577bbe0183 drm/amd/powerplay: implement functions of amd_powerplay_func
This is the common interface for interacting with the powerplay
module.

v2: squash in fixes

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:12 -05:00
Rex Zhu
e92a037057 drm/amd/powerplay: add event manager sub-component
The event manager handles power related driver events.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:11 -05:00
Rex Zhu
28a18bab2e drm/amd/powerplay: add CG and PG support for carrizo
This adds clock and powergating support for CZ.

v2: squash in fixes

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:11 -05:00
Jammy Zhou
bdecc20a98 drm/amd/powerplay: add Carrizo dpm support
This patch enables basic DPM support for Carrizo.
DPM handles dynamic clock and voltage scaling.

v3: delete peci sub-module
v2: use cgs interface directly
    correct define SMU_EnabledFeatureScoreboard_SclkDpmOn

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:10 -05:00
Jammy Zhou
4630f0faae drm/amd/powerplay: add Carrizo smu support
This implements the SMU firmware manager interface for CZ.
Some header files are moved from amdgpu folder to powerplay as well.

v3: delete peci sub-module.
v2: use cgs interface directly
    add load_mec_firmware function

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:10 -05:00
Jammy Zhou
3bace35914 drm/amd/powerplay: add hardware manager sub-component
The hwmgr handles all hardware related calls, including clock/power
gating control, DPM, read and parse PPTable, etc.

v5: squash in fixes
v4: implement acpi's atcs function use cgs interface
v3: fix code style error and add big-endian mode support.
v2: use cgs interface directly in hwmgr sub-module

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:09 -05:00
Jammy Zhou
ac885b3a20 drm/amd/powerplay: add SMU manager sub-component
The SMUMGR is one sub-component of powerplay for SMU firmware support.
The SMU handles firmware loading for other IP blocks (GFX, SDMA, etc.)
on VI parts.  The adds the core powerplay infrastructure to handle that.

v3: direct use printk in powerplay module.
v2: direct use cgs_read/write_register functions in smu-modules

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:09 -05:00
Rex Zhu
1b5708ffb1 drm/amdgpu: export amd_powerplay_func to amdgpu and other ip block
Update amdgpu to deal with the new powerplay module properly.

v2: squash in fixes
v3: squash in Rex's power state reporting fix

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:08 -05:00
Rex Zhu
ba5c2a87b0 drm/amdgpu: disable legacy path of firmware check if powerplay is enabled
Powerplay will use a different interface once it's integrated.  These
legacy pathes will be removed once powerplay is enabled by default.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:08 -05:00
Alex Deucher
1f7371b2a5 drm/amd/powerplay: add basic powerplay framework
amdgpu_pp_ip_funcs is introduced to handle the two code paths,
the legacy one and the new powerplay implementation.

CONFIG_DRM_AMD_POWERPLAY kernel configuration option is
introduced for the powerplay component.

v4: squash in fixes
v3: register debugfs file when powerplay module enable
v2: add amdgpu_ucode_init_bo in hw init when amdgpu_powerplay enable.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:07 -05:00
Rex Zhu
47bf18b5b2 drm/amdgpu: add new cgs interface to get display info (v2)
Add new CGS interfaces to query display info across modules.
This is nedded by the powerplay module for synchronizing with
the display module.

v2: (agd): fold in refresh rate fix, rebase

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:07 -05:00
Rex Zhu
5e6186991a drm/amdgpu: implement cgs interface to query system info
Add a query to get the bus number and function of the
device.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
2015-12-21 16:42:06 -05:00
Rex Zhu
3f1d35a03b drm/amdgpu: implement new cgs interface for acpi function
Add a new driver internal interface for accessing ACPI
methods.  These will be used by various new components
including powerplay.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:06 -05:00
Rex Zhu
66dc0ddd02 drm/amdgpu: mv amdgpu_acpi.h to amd/include/amd_acpi.h
This will be shared with the new powerplay module.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:05 -05:00
Rex Zhu
7e85be9948 drm/amdgpu: mv some definition from amdgpu_acpi.c to amdgpu_acpi.h
These will be shared with the new powerplay module.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:05 -05:00
Rex Zhu
3a2c788d95 drm/amdgpu: share struct amdgpu_pm_state_type with powerplay module
rename amdgpu_pm_state_type to amd_pm_state_type

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:42:04 -05:00
Alex Deucher
0eb1c3d408 drm/radeon: clean up fujitsu quirks
Combine the two quirks.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=109481

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-12-21 16:39:15 -05:00
Felix Kuehling
005ae95e6e drm/amdgpu: Fix off-by-one errors in amdgpu_vm_bo_map
eaddr is sometimes treated as the last address inside the address
range, and sometimes as the first address outside the range. This
was resulting in errors when a test filled up the entire address
space. Make it consistent to always be the last address within the
range.

Signed-off-by: Felix.Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
2015-12-21 16:39:14 -05:00
Felix Kuehling
42ef344c09 drm/radeon: Fix off-by-one errors in radeon_vm_bo_set_addr
eoffset is sometimes treated as the last address inside the address
range, and sometimes as the first address outside the range. This
was resulting in errors when a test filled up the entire address
space. Make it consistent to always be the last address within the
range. Also fixed related errors when checking the VA limit and in
radeon_vm_fence_pts.

Signed-off-by: Felix.Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
2015-12-21 16:39:14 -05:00
Alex Deucher
092c96a8ab drm/radeon: fix dp link rate selection (v2)
Need to properly handle the max link rate in the dpcd.
This prevents some cases where 5.4 Ghz is selected when
it shouldn't be.

v2: simplify logic, add array bounds check

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:39:02 -05:00
Alex Deucher
41869c1c7f drm/amdgpu: fix dp link rate selection (v2)
Need to properly handle the max link rate in the dpcd.
This prevents some cases where 5.4 Ghz is selected when
it shouldn't be.

v2: simplify logic, add array bounds check

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21 16:38:51 -05:00
Linus Torvalds
4ef7675344 Linux 4.4-rc6 2015-12-20 16:06:09 -08:00
Linus Torvalds
9f7e432786 RTC fixes for 4.4 #2
A fix for a nasty hardware bug in rk808 and a initialization reordering in
 da9063 to fix a possible crash.
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Merge tag 'rtc-4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC fixes from Alexandre Belloni:
 "Late fixes for the RTC subsystem for 4.4:

  A fix for a nasty hardware bug in rk808 and an initialization
  reordering in da9063 to fix a possible crash"

* tag 'rtc-4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: da9063: fix access ordering error during RTC interrupt at system power on
  rtc: rk808: Compensate for Rockchip calendar deviation on November 31st
2015-12-20 10:01:11 -08:00
Steve Twiss
77535acedc rtc: da9063: fix access ordering error during RTC interrupt at system power on
This fix alters the ordering of the IRQ and device registrations in the RTC
driver probe function. This change will apply to the RTC driver that supports
both DA9063 and DA9062 PMICs.

A problem could occur with the existing RTC driver if:

A system is started from a cold boot using the PMIC RTC IRQ to initiate a
power on operation. For instance, if an RTC alarm is used to start a
platform from power off.
The existing driver IRQ is requested before the device has been properly
registered.
i.e.
    ret = devm_request_threaded_irq()
comes before
    rtc->rtc_dev = devm_rtc_device_register();

In this case, the interrupt can be called before the device has been
registered and the handler can be called immediately. The IRQ handler
da9063_alarm_event() contains the function call

    rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);

which in turn tries to access the unavailable rtc->rtc_dev.

The fix is to reorder the functions inside the RTC probe. The IRQ is
requested after the RTC device resource has been registered so that
get_irq_byname is the last thing to happen.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-12-20 13:39:29 +01:00
Julius Werner
f076ef44a4 rtc: rk808: Compensate for Rockchip calendar deviation on November 31st
In A.D. 1582 Pope Gregory XIII found that the existing Julian calendar
insufficiently represented reality, and changed the rules about
calculating leap years to account for this. Similarly, in A.D. 2013
Rockchip hardware engineers found that the new Gregorian calendar still
contained flaws, and that the month of November should be counted up to
31 days instead. Unfortunately it takes a long time for calendar changes
to gain widespread adoption, and just like more than 300 years went by
before the last Protestant nation implemented Greg's proposal, we will
have to wait a while until all religions and operating system kernels
acknowledge the inherent advantages of the Rockchip system. Until then
we need to translate dates read from (and written to) Rockchip hardware
back to the Gregorian format.

This patch works by defining Jan 1st, 2016 as the arbitrary anchor date
on which Rockchip and Gregorian calendars are in sync. From that we can
translate arbitrary later dates back and forth by counting the number
of November/December transitons since the anchor date to determine the
offset between the calendars. We choose this method (rather than trying
to regularly "correct" the date stored in hardware) since it's the only
way to ensure perfect time-keeping even if the system may be shut down
for an unknown number of years. The drawback is that other software
reading the same hardware (e.g. mainboard firmware) must use the same
translation convention (including the same anchor date) to be able to
read and write correct timestamps from/to the RTC.

Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-12-20 13:39:00 +01:00
Linus Torvalds
69c37a92dd TTY/Serial fixes for 4.4-rc6
Here are some tty/serial driver fixes for 4.4-rc6 that resolve some
 reported problems.  All of these have been in linux-next.  The details
 are in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some tty/serial driver fixes for 4.4-rc6 that resolve some
  reported problems.  All of these have been in linux-next.  The details
  are in the shortlog"

* tag 'tty-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Fix GPF in flush_to_ldisc()
  serial: earlycon: Add missing spinlock initialization
  serial: sh-sci: Fix length of scatterlist
  n_tty: Fix poll() after buffer-limited eof push read
  serial: 8250_uniphier: fix dl_read and dl_write functions
2015-12-19 17:44:19 -08:00
Linus Torvalds
24b0d5e738 USB fixes for 4.4-rc6
Here are some USB and PHY fixes for 4.4-rc6.  All of them resolve some
 reported problems.  Full details in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB and PHY fixes for 4.4-rc6.  All of them resolve some
  reported problems.  Full details in the shortlog"

* tag 'usb-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: fix invalid memory access in hub_activate()
  USB: ipaq.c: fix a timeout loop
  phy: core: Get a refcount to phy in devm_of_phy_get_by_index()
  phy: cygnus: pcie: add missing of_node_put
  phy: miphy365x: add missing of_node_put
  phy: miphy28lp: add missing of_node_put
  phy: rockchip-usb: add missing of_node_put
  phy: berlin-sata: add missing of_node_put
  phy: mt65xx-usb3: add missing of_node_put
  phy: brcmstb-sata: add missing of_node_put
  phy: sun9i-usb: add USB dependency
2015-12-19 17:33:58 -08:00
Linus Torvalds
3a87711e58 4 fixes for md in 4.4-rc5
- 2 recently introduced regressions fixed.
 - one older bug in RAID10 - tagged for -stable since 4.2
 - one minor sysfs api improvement.
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Merge tag 'md/4.4-rc5-fixes' of git://neil.brown.name/md

Pull md fixes from Neil Brown:
 "Four fixes for md:

   - two recently introduced regressions fixed.
   - one older bug in RAID10 - tagged for -stable since 4.2
   - one minor sysfs api improvement"

* tag 'md/4.4-rc5-fixes' of git://neil.brown.name/md:
  Fix remove_and_add_spares removes drive added as spare in slot_store
  md: fix bug due to nested suspend
  MD: change journal disk role to disk 0
  md/raid10: fix data corruption and crash during resync
2015-12-19 16:46:46 -08:00
Linus Torvalds
35b3154efb powerpc fixes for 4.4 #4
- Partial revert of "powerpc: Individual System V IPC system calls"
  - pr_warn_once on unsupported OPAL_MSG type from Stewart
  - Fix deadlock in opal-irqchip introduced by "Fix double endian conversion" from Alistair
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Merge tag 'powerpc-4.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 - Partial revert of "powerpc: Individual System V IPC system calls"
 - pr_warn_once on unsupported OPAL_MSG type from Stewart
 - Fix deadlock in opal-irqchip introduced by "Fix double endian
   conversion" from Alistair

* tag 'powerpc-4.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/opal-irqchip: Fix deadlock introduced by "Fix double endian conversion"
  powerpc/powernv: pr_warn_once on unsupported OPAL_MSG type
  Partial revert of "powerpc: Individual System V IPC system calls"
2015-12-19 16:40:48 -08:00
Dave Airlie
1957d62c29 Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
just one regression fix.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: atomic check only enabled crtc states
2015-12-20 08:51:34 +10:00
Linus Torvalds
3c73a2dda9 spi: Fixes for v4.4
A couple of reference counting bugs here, one in spidev and one with
 holding an extra reference in the core that we never freed if we removed
 a device, plus a driver specific fix.  Both of the refcounting bugs are
 very old but they've only been found by observation so hopefully their
 impact has been low.
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Merge tag 'spi-fix-v4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A couple of reference counting bugs here, one in spidev and one with
  holding an extra reference in the core that we never freed if we
  removed a device, plus a driver specific fix.  Both of the refcounting
  bugs are very old but they've only been found by observation so
  hopefully their impact has been low"

* tag 'spi-fix-v4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: fix parent-device reference leak
  spi: spidev: Hold spi_lock over all defererences of spi in release()
  spi-fsl-dspi: Fix CTAR Register access
2015-12-19 10:10:43 -08:00
Linus Torvalds
d525c13e9e GPIO fixes for the v4.4 series:
- Revert the error number propagation from the .get() vtable
   entry temporarily, until we make the proper fixes to all drivers.
 - Fix the clamping behaviour in the generic GPIO driver.
 - Driver fix for the ath79 driver
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Merge tag 'gpio-v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Some GPIO fixes for the v4.4 series.  Most prominent: I revert the
  error propagation from the .get() function until we can fix up all the
  drivers properly for v4.5.

   - Revert the error number propagation from the .get() vtable entry
     temporarily, until we make the proper fixes to all drivers.
   - Fix the clamping behaviour in the generic GPIO driver.
   - Driver fix for the ath79 driver"

* tag 'gpio-v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: revert get() to non-errorprogating behaviour
  gpio: generic: clamp values from bgpio_get_set()
  gpio: ath79: Fix the logic to clear offset bit of AR71XX_GPIO_REG_OE register
2015-12-19 10:05:00 -08:00
Linus Torvalds
38beb96e7e Pin control fixes:
- Driver fixes for Freescale i.MX7D, Intel, Broadcom 2835
 - One MAINTAINERS entry
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Merge tag 'pinctrl-v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 - Driver fixes for Freescale i.MX7D, Intel, Broadcom 2835
 - One MAINTAINERS entry

* tag 'pinctrl-v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  MAINTAINERS: pinctrl: Add maintainers for pinctrl-single
  pinctrl: bcm2835: Fix initial value for direction_output
  pinctrl: intel: fix offset calculation issue of register PAD_OWN
  pinctrl: intel: fix bug of register offset calculation
  pinctrl: freescale: add ZERO_OFFSET_VALID flag for vf610 pinctrl
2015-12-19 10:01:03 -08:00
Linus Torvalds
d7d3d84194 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "A set of 'usual' driver bugfixes for the I2C subsystem"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: rcar: disable runtime PM correctly in slave mode
  i2c: designware: Keep pm_runtime_enable/_disable calls in sync
  i2c: designware: fix IO timeout issue for AMD controller
  i2c: imx: init bus recovery info before adding i2c adapter
  i2c: do not use 0x in front of %pa
  i2c: davinci: Increase module clock frequency
  i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs
  i2c: rk3x: populate correct variable for sda_falling_time
2015-12-19 09:52:44 -08:00
Linus Torvalds
632f8577d6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
 "Just a few assorted driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elants_i2c - fix wake-on-touch
  Input: elan_i2c - set input device's vendor and product IDs
  Input: sun4i-lradc-keys - fix typo in binding documentation
  Input: atmel_mxt_ts - add maxtouch to I2C table for module autoload
  Input: arizona-haptic - fix disabling of haptics device
  Input: aiptek - fix crash on detecting device without endpoints
  Input: atmel_mxt_ts - add generic platform data for Chromebooks
  Input: parkbd - clear unused function pointers
  Input: walkera0701 - clear unused function pointers
  Input: turbografx - clear unused function pointers
  Input: gamecon - clear unused function pointers
  Input: db9 - clear unused function pointers
2015-12-19 09:51:11 -08:00
Andrzej Hajda
c4e074074c drm/exynos: atomic check only enabled crtc states
Since atomic check is called also for disabled crtcs it should skip
mode checking as it can be uninitialized. The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-12-20 01:39:10 +09:00
Wolfram Sang
b4cd08aa1f i2c: rcar: disable runtime PM correctly in slave mode
When we also are I2C slave, we need to disable runtime PM because the
address detection mechanism needs to be active all the time. However, we
can reenable runtime PM once the slave instance was unregistered. So,
use pm_runtime_get_sync/put to achieve this, since it has proper
refcounting. pm_runtime_allow/forbid is like a global knob controllable
from userspace which is unsuitable here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2015-12-19 12:00:37 +01:00
Linus Torvalds
1eab0e4245 Power management fixes for v4.4-rc6
- Fix a potential regression in the generic power domains
    framework introduced during the 4.3 development cycle that
    may lead to spurious failures of system suspend in certain
    situations (Ulf Hansson).
 
  - Fix a problem in the power capping RAPL (Running Average
    Power Limits) driver that causes it to initialize successfully
    on some systems where it is not supposed to do that which is
    due to an incorrect check in an initialization routine (Prarit
    Bhargava).
 
  - Fix a build problem in the cpufreq Tegra driver that depends
    on the regulator framework, but that dependency is not reflected
    in Kconfig (Arnd Bergmann).
 
  - Fix a recent mistake in the intel_pstate driver where a numeric
    constant is used directly instead of a symbol defined specifically
    for the case in question (Prarit Bhargava).
 
 /
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Merge tag 'pm+acpi-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix a potential regression introduced during the 4.3 cycle
  (generic power domains framework), a nasty bug that has been present
  forever (power capping RAPL driver), a build issue (Tegra cpufreq
  driver) and a minor ugliness introduced recently (intel_pstate).

  Specifics:

   - Fix a potential regression in the generic power domains framework
     introduced during the 4.3 development cycle that may lead to
     spurious failures of system suspend in certain situations (Ulf
     Hansson).

   - Fix a problem in the power capping RAPL (Running Average Power
     Limits) driver that causes it to initialize successfully on some
     systems where it is not supposed to do that which is due to an
     incorrect check in an initialization routine (Prarit Bhargava).

   - Fix a build problem in the cpufreq Tegra driver that depends on the
     regulator framework, but that dependency is not reflected in
     Kconfig (Arnd Bergmann).

   - Fix a recent mistake in the intel_pstate driver where a numeric
     constant is used directly instead of a symbol defined specifically
     for the case in question (Prarit Bhargava)"

* tag 'pm+acpi-4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  powercap / RAPL: fix BIOS lock check
  cpufreq: intel_pstate: Minor cleanup for FRAC_BITS
  cpufreq: tegra: add regulator dependency for T124
  PM / Domains: Allow runtime PM callbacks to be re-used during system PM
2015-12-18 21:01:35 -08:00
Linus Torvalds
4fee35a3c9 SCSI fixes on 20151218
Three fixes this time, two in SES picked up by KASAN for various types of
 buffer overrun.  The first is a USB array which returns page 8 whatever is
 asked for and causes us to overrun with incorrect data format assumptions and
 the second is an invalid iteration of page 10 (the additional information
 page).  The final one is a reversion of a NULL deref fix which caused
 suspend/resume not to be called in pairs leading to incorrect device operation
 (Jens has queued a more proper fix for the problem in block).
 
 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three fixes this time, two in SES picked up by KASAN for various types
  of buffer overrun.  The first is a USB array which returns page 8
  whatever is asked for and causes us to overrun with incorrect data
  format assumptions and the second is an invalid iteration of page 10
  (the additional information page).

  The final fix is a reversion of a NULL deref fix which caused
  suspend/resume not to be called in pairs leading to incorrect device
  operation (Jens has queued a more proper fix for the problem in
  block)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  ses: fix additional element traversal bug
  Revert "SCSI: Fix NULL pointer dereference in runtime PM"
  ses: Fix problems with simple enclosures
2015-12-18 20:35:35 -08:00
Dave Airlie
6545f31897 Merge branch 'linux-4.4' of git://github.com/skeggsb/linux into drm-fixes
single nouveau fix.

* 'linux-4.4' of git://github.com/skeggsb/linux:
  drm/nouveau/bios/fan: hardcode the fan mode to linear
2015-12-19 13:25:42 +10:00
Dave Airlie
8e73a108ac Merge branch 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Just one important fix for amdgpu to avoid possible memory corruption.

* 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: fix user fence handling
2015-12-19 12:42:28 +10:00
Dave Airlie
aa72044a1d Merge branch 'drm-etnaviv-next' of git://git.pengutronix.de/git/lst/linux into drm-next
here is the pull request for the etnaviv DRM driver. It includes the DT bindings
and the driver itself, platform devicetree changes will be merged through the
respective SoC trees. Otherwise it's just a squashed version of the V2 patches
that have been on the list for a while.

* 'drm-etnaviv-next' of git://git.pengutronix.de/git/lst/linux:
  MAINTAINERS: add maintainer and reviewers for the etnaviv DRM driver
  drm/etnaviv: add initial etnaviv DRM driver
  drm/etnaviv: add devicetree bindings
  devicetree: add vendor prefix for Vivante Corporation
2015-12-19 12:36:48 +10:00
Dave Airlie
45ad5ccfa9 Merge tag 'topic/drm-misc-2015-12-18' of git://anongit.freedesktop.org/drm-intel into drm-next
Seems I lied in my last drm-misc pull request and suddenly there's a big
pile of random stuff. Boris dug out Thierry's drm-trivial branch and
resubmitted everything since that branch didn't really work out.

On top of that Nicolas' changes to drm_dev_set_unique - this might
conflict with new driver pulls (I double checked and current drm-next
should be fine), so please beware. The -next/-fixes conflict in vmwgfx
will change slightly with this here too.

* tag 'topic/drm-misc-2015-12-18' of git://anongit.freedesktop.org/drm-intel: (36 commits)
  drm: use dev_name as default unique name in drm_dev_alloc()
  drm: make drm_dev_set_unique() not use a format string
  drm/vmwgfx: Constify function pointer structs
  drm/udl: Constify function pointer structs
  drm/tegra: Constify function pointer structs
  drm/rockchip: Constify function pointer structs
  drm/nouveau: Constify function pointer structs
  drm/mgag200: Constify function pointer structs
  drm/imx: Constify function pointer structs
  drm/i2c/sil164: Constify function pointer structs
  drm/i2c/adv7511: Constify function pointer structs
  drm/exynos: Constify function pointer structs
  drm/cirrus: Constify function pointer structs
  drm/i2c/ch7006: Constify function pointer structs
  drm/bridge/nxp-ptn3460: Constify function pointer structs
  drm/bridge/dw_hdmi: Constify function pointer structs
  drm/bochs: Constify function pointer structs
  drm/atmel-hlcdc: Constify function pointer structs
  drm/armada: Constify function pointer structs
  drm: Constify drm_encoder_slave_funcs
  ...
2015-12-19 11:45:31 +10:00
Thierry Reding
544a14fd22 dt-bindings: Move panel bindings to correct location
Device tree bindings for display panels have moved to a new location.
Unfortunately some of the new bindings added recently ended up in the
old location. Move them to their proper place.

Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-12-19 11:44:31 +10:00
James Chen
478e5ed1c3 Input: elants_i2c - fix wake-on-touch
When sending "SLEEP" command to the controller it ceases scanning
completely and is unable to wake the system up from sleep, so if it is
configured as a wakeup source we should simply configure interrupt for
wakeup and rely on idle logic within the controller to reduce power
consumption while it is not used.

Signed-off-by: James Chen <james.chen@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-12-18 16:21:43 -08:00
Linus Torvalds
76b8ebdc4c media fixes for v4.4-rc6
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Merge tag 'media/v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab.

* tag 'media/v4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] airspy: increase USB control message buffer size
  [media] hackrf: move RF gain ctrl enable behind module parameter
  [media] hackrf: fix possible null ptr on debug printing
  [media] Revert "[media] ivtv: avoid going past input/audio array"
2015-12-18 15:41:35 -08:00
Linus Torvalds
fc315e3e5c Merge branch 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "A couple of small fixes"

* 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: check prepare_uptodate_page() error code earlier
  Btrfs: check for empty bitmap list in setup_cluster_bitmaps
  btrfs: fix misleading warning when space cache failed to load
  Btrfs: fix transaction handle leak in balance
  Btrfs: fix unprotected list move from unused_bgs to deleted_bgs list
2015-12-18 15:35:08 -08:00
Nicolai Hähnle
b24c683af1 drm/radeon: only increment sync_seq when a fence is really emitted
In the rare situation where the kmalloc fails we're probably screwed anyway,
but let's try to be more robust about it.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-18 17:29:49 -05:00
Nicolai Hähnle
5fc45397d5 drm/radeon: fix typo in cik_ring_ib_execute documentation (v2)
v2: agd: clarify commit message, fix "an" as spotted by Michel.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-18 17:29:48 -05:00