Commit Graph

211844 Commits

Author SHA1 Message Date
Daniel Vetter
aa4cd9100e drm/doc: Document drm_helper_resume_force_mode
Stumbled over while reviewing all occurences in the DRM doc talking
about suspend/resume.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-13 12:48:31 +01:00
Daniel Vetter
89d61fc0f5 drm/doc: Clean up and integrate kerneldoc for drm_gem.c
Fairly incomplete, but at least a start.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-13 12:48:27 +01:00
Daniel Vetter
fc66811ce1 drm/doc: Fix up kerneldoc in drm_edid.c
v2: Also do s/RETURNS/Returns/, less yelling in docs is always good.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-13 12:48:26 +01:00
Dave Airlie
786a7828bc Merge branch 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-next
this is the second pull request for 3.15 radeon changes. Highlights this time:
- Better VRAM usage
- VM page table rework
- Enabling different UVD clocks again
- Some general cleanups and improvements

* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: remove struct radeon_bo_list
  drm/radeon: drop non blocking allocations from sub allocator
  drm/radeon: remove global vm lock
  drm/radeon: use normal BOs for the page tables v4
  drm/radeon: further cleanup vm flushing & fencing
  drm/radeon: separate gart and vm functions
  drm/radeon: fix VCE suspend/resume
  drm/radeon: fix missing bo reservation
  drm/radeon: limit how much memory TTM can move per IB according to VRAM usage
  drm/radeon: validate relocations in the order determined by userspace v3
  drm/radeon: add buffers to the LRU list from smallest to largest
  drm/radeon: deduplicate code in radeon_gem_busy_ioctl
  drm/radeon: track memory statistics about VRAM and GTT usage and buffer moves v2
  drm/radeon: add a way to get and set initial buffer domains v2
  drm/radeon: use variable UVD clocks
  drm/radeon: cleanup the fence ring locking code
  drm/radeon: improve ring lockup detection code v2
2014-03-05 14:52:19 +10:00
Christian König
df0af4403a drm/radeon: remove struct radeon_bo_list
Just move all fields into radeon_cs_reloc, removing unused/duplicated fields.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-03-04 14:34:34 +01:00
Dave Airlie
4d33f3aa1c Merge tag 'drm-intel-next-2014-02-14' of ssh://git.freedesktop.org/git/drm-intel into drm-next
- Fix the execbuf rebind performance regression due to topic/ppgtt (Chris).
- Fix up the connector cleanup ordering for sdvod i2c and dp aux devices (Imre).
- Try to preserve the firmware modeset config on driver load. And a bit of prep
  work for smooth takeover of the fb contents (Jesse).
- Prep cleanup for larger gtt address spaces on bdw (Ben).
- Improve our vblank_wait code to make hsw modesets faster (Paulo).
- Display debugfs file (Jesse).
- DRRS prep work from Vandana Kannan.
- pipestat interrupt handler to fix a few races around vblank/pageflip handling
  on byt (Imre).
- Improve display fuse handling for display-less SKUs (Damien).
- Drop locks while stalling for the gpu when serving pagefaults to improve
  interactivity (Chris).
- And as usual piles of other improvements and small fixes all over.

* tag 'drm-intel-next-2014-02-14' of ssh://git.freedesktop.org/git/drm-intel: (65 commits)
  drm/i915: fix NULL deref in the load detect code
  drm/i915: Only bind each object rather than for every execbuffer
  drm/i915: Directly return the vma from bind_to_vm
  drm/i915: Simplify i915_gem_object_ggtt_unpin
  drm/i915: Allow blocking in the PDE alloc when running low on gtt space
  drm/i915: Don't allocate context pages as mappable
  drm/i915: Handle set_cache_level errors in the status page setup
  drm/i915: Don't pin the status page as mappable
  drm/i915: Don't set PIN_MAPPABLE for legacy ringbuffers
  drm/i915: Handle set_cache_level errors in the pipe control scratch setup
  drm/i915: split PIN_GLOBAL out from PIN_MAPPABLE
  drm/i915: Consolidate binding parameters into flags
  drm/i915: sdvo: add i2c sysfs symlink to the connector's directory
  drm/i915: sdvo: fix error path in sdvo_connector_init
  drm/i915: dp: fix order of dp aux i2c device cleanup
  drm/i915: add unregister callback to connector
  drm/i915: don't reference null pointer at i915_sink_crc
  drm/i915/lvds: Remove dead code from failing case
  drm/i915: don't preserve inherited configs with nothing on v2
  drm/i915/bdw: Split up PPGTT cleanup
  ...
2014-03-04 07:51:41 +10:00
Christian König
4d15264662 drm/radeon: drop non blocking allocations from sub allocator
Not needed any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
2014-03-03 11:26:39 +01:00
Christian König
529364e05b drm/radeon: remove global vm lock
Not needed any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-03-03 11:26:27 +01:00
Christian König
6d2f2944e9 drm/radeon: use normal BOs for the page tables v4
No need to make it more complicated than necessary,
just allocate the page tables as normal BO and
flush whenever the address change.

v2: update comments and function name
v3: squash bug fixes, page directory and tables patch
v4: rebased on Mareks changes

Signed-off-by: Christian König <christian.koenig@amd.com>
2014-03-03 11:26:08 +01:00
Christian König
fa68834342 drm/radeon: further cleanup vm flushing & fencing
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-03-03 11:03:35 +01:00
Christian König
2280ab57b6 drm/radeon: separate gart and vm functions
Both are complex enough on their own.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-03-03 11:03:34 +01:00
Christian König
b03b4e4b6e drm/radeon: fix VCE suspend/resume
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-03-03 11:03:32 +01:00
Christian König
f1e3dc708a drm/radeon: fix missing bo reservation
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-03-03 11:03:29 +01:00
Marek Olšák
19dff56a5f drm/radeon: limit how much memory TTM can move per IB according to VRAM usage
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 11:00:24 +01:00
Marek Olšák
c9b7654889 drm/radeon: validate relocations in the order determined by userspace v3
Userspace should set the first 4 bits of drm_radeon_cs_reloc::flags to
a number from 0 to 15. The higher the number, the higher the priority,
which means a buffer with a higher number will be validated sooner.

The old behavior is preserved: Buffers used for write are prioritized over
read-only buffers if the userspace doesn't set the number.

v2: add buffers to buckets directly, then concatenate them
v3: use a stable sort

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 10:57:19 +01:00
Marek Olšák
4330441a74 drm/radeon: add buffers to the LRU list from smallest to largest
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 10:57:15 +01:00
Marek Olšák
0bc490a8d9 drm/radeon: deduplicate code in radeon_gem_busy_ioctl
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 10:57:10 +01:00
Marek Olšák
67e8e3f970 drm/radeon: track memory statistics about VRAM and GTT usage and buffer moves v2
The statistics are:
- VRAM usage in bytes
- GTT usage in bytes
- number of bytes moved by TTM

The last one is actually a counter, so you need to sample it before and after
command submission and take the difference.

This is useful for finding performance bottlenecks. Userspace queries are
also added.

v2: use atomic64_t

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 10:54:19 +01:00
Marek Olšák
bda72d58a2 drm/radeon: add a way to get and set initial buffer domains v2
When passing buffers between processes, the receiving process needs to know
the original buffer domain, so that it doesn't accidentally move the buffer.

v2: reserve the buffer

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-03-03 10:53:01 +01:00
Alex Deucher
14a9579ddb drm/radeon: use variable UVD clocks
Now that Christian fixed the performance problems with
the feedback buffer in mesa, we can enable variable UVD
clocks.  There are multiple UVD power states associated
with different types and numbers of streams.  This uses
the appropriate state based on that information rather
than always using the fastest UVD clocks which saves some
power.  One possible downside is that this may adversely
affect decode benchmarks since these power states target
specific playback requirements rather than maximum
performance.  If that becomes an issue, we can add a
sysfs attribute to force the max UVD state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2014-02-28 10:53:20 +01:00
Christian König
37615527c5 drm/radeon: cleanup the fence ring locking code
We no longer need to take the ring lock while checking for
a gpu lockup, so just cleanup the code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-02-28 10:53:18 +01:00
Christian König
aee4aa73a1 drm/radeon: improve ring lockup detection code v2
Use atomics and jiffies_64, so that we don't need to have the
ring mutex locked any more and avoid wrap arounds.

v2: fix some checkpatch warnings

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-02-28 10:53:16 +01:00
Dave Airlie
4d538b7919 Merge branch 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-next
So this is the initial pull request for radeon drm-next 3.15. Highlights:
- VCE bringup including DPM support
- Few cleanups for the ring handling code

* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: cleanup false positive lockup handling
  drm/radeon: drop radeon_ring_force_activity
  drm/radeon: drop drivers copy of the rptr
  drm/radeon/cik: enable/disable vce cg when encoding v2
  drm/radeon: add support for vce 2.0 clock gating
  drm/radeon/dpm: properly enable/disable vce when vce pg is enabled
  drm/radeon/dpm: enable dynamic vce state switching v2
  drm/radeon: add vce dpm support for KV/KB
  drm/radeon: enable vce dpm on CI
  drm/radeon: add vce dpm support for CI
  drm/radeon: fill in set_vce_clocks for CIK asics
  drm/radeon/dpm: fetch vce states from the vbios
  drm/radeon/dpm: fill in some initial vce infrastructure
  drm/radeon/dpm: move platform caps fetching to a separate function
  drm/radeon: add callback for setting vce clocks
  drm/radeon: add VCE version parsing and checking
  drm/radeon: add VCE ring query
  drm/radeon: initial VCE support v4
  drm/radeon: fix CP semaphores on CIK
2014-02-27 14:39:30 +10:00
Dave Airlie
c48cdd23ea Merge branch 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox into drm-next
Updates from Jean-Fracois for the TDA998x driver, which are on top of
the fixes you have previously pulled, except these changes aren't
intended for -rc, but the next merge window.

Several of these are issues of correctness - passing more correct HDMI
info packets, not reading registers in older chips documented as write
only (despite appearing to be read/write in later chips).  Others are
code cleanups (using definitions rather than constants where we have
them already in the kernel).

Additional functionality is also added by way of optional support for
the IRQ from the TDA998x, which allows us to avoid busy-waiting for
the EDID reads.

* 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
  drm/i2c: tda998x: always use the same device for all kernel messages
  drm/i2c: tda998x: adjust the audio clock divider for S/PDIF
  drm/i2c: tda998x: code optimization
  drm/i2c: tda998x: remove the unused variable ca_i2s
  drm/i2c: tda998x: make the audio code more readable
  drm/i2c: tda998x: use irq for connection status and EDID read
  drm/i2c: tda998x: always enable EDID read IRQ
  drm/i2c: tda998x: add DT documentation
  drm/i2c: tda998x: add DT support
  drm/i2c: tda998x: don't read write-only registers
  drm/i2c: tda998x: don't freeze the system at audio startup time
  drm/i2c: tda998x: change probe message origin
  drm/i2c: tda998x: code cleanup
  drm/i2c: tda998x: clean up error chip version checking
  drm/i2c: tda998x: check more I/O errors
  drm/i2c: tda998x: simplify the i2c read/write functions
  drm/i2c: tda998x: use ALSA IEC958 definitions and update audio frequency
  drm/i2c: tda998x: add the active aspect in HDMI AVI frame
  drm/i2c: tda998x: use HDMI constants
2014-02-27 14:36:56 +10:00
Dave Airlie
3e09dcd5bd Merge tag 'drm-intel-next-2014-02-07' of ssh://git.freedesktop.org/git/drm-intel into drm-next
- Yet more steps towards atomic modeset from Ville.
- DP panel power sequencing improvements from Paulo.
- irq code cleanups from Ville.
- 5.4 GHz dp lane clock support for bdw/hsw from Todd.
- Clock readout support for hsw/bdw (aka fastboot) from Jesse.
- Make pipe underruns report at ERROR level (Ville). This is to check our
  improved watermarks code.
- Full ppgtt support from Ben for gen7.
- More fbc fixes and improvements from Ville all over the place, unfortunately
  not yet enabled by default on more platforms.
- w/a cleanups from Ville.
- HiZ stall optimization settings (Chia-I Wu).
- Display register mmio offset refactor patch from Antti.
- RPS improvements for corner-cases from Jeff McGee.

* tag 'drm-intel-next-2014-02-07' of ssh://git.freedesktop.org/git/drm-intel: (166 commits)
  drm/i915: Update rps interrupt limits
  drm/i915: Restore rps/rc6 on reset
  drm/i915: Prevent recursion by retiring requests when the ring is full
  drm/i915: Generate a hang error code
  drm/i915: unify FLIP_DONE macro names
  drm/i915: vlv: s/spin_lock_irqsave/spin_lock/ in irq handler
  drm/i915: factor out valleyview_pipestat_irq_handler
  drm/i915: vlv: don't unmask IIR[DISPLAY_PIPE_A/B_VBLANK] interrupt
  drm/i915: Reorganize display pipe register accesses
  drm/i915: Treat using a purged buffer as a source of EFAULT
  drm/i915: Convert EFAULT into a silent SIGBUS
  drm/i915: release mutex in i915_gem_init()'s error path
  drm/i915: check for oom when allocating private_default_ctx
  drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.
  drm/i915: Get rid of acthd based guilty batch search
  drm/i915: Use hangcheck score to find guilty context
  drm/i915: Drop WaDisablePSDDualDispatchEnable:ivb for IVB GT2
  drm/i915: Fix IVB GT2 WaDisableDopClockGating and WaDisablePSDDualDispatchEnable
  drm/i915: Don't access snooped pages through the GTT (even for error capture)
  drm/i915: Only print information for filing bug reports once
  ...

Conflicts:
	drivers/gpu/drm/i915/intel_dp.c
2014-02-27 14:36:01 +10:00
Dave Airlie
6ba6b7cdaf drm: DisplayPort AUX framework for v3.15-rc1
This series of patches implements a small framework that abstracts away
 some of the functionality that the DisplayPort AUX channel provides. It
 comes with a set of generic helpers that use the driver implementations
 to reduce code duplication.
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Merge tag 'drm/dp-aux-for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm: DisplayPort AUX framework for v3.15-rc1

This series of patches implements a small framework that abstracts away
some of the functionality that the DisplayPort AUX channel provides. It
comes with a set of generic helpers that use the driver implementations
to reduce code duplication.

* tag 'drm/dp-aux-for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/dp: Allow registering AUX channels as I2C busses
  drm/dp: Add DisplayPort link helpers
  drm/dp: Add drm_dp_dpcd_read_link_status()
  drm/dp: Add AUX channel infrastructure
2014-02-27 14:30:08 +10:00
Thierry Reding
88759686c7 drm/dp: Allow registering AUX channels as I2C busses
Implements an I2C-over-AUX I2C adapter on top of the generic drm_dp_aux
infrastructure. It extracts the retry logic from existing drivers, which
should help in porting those drivers to this new helper.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
Changes in v5:
- move comments partially to to header file
- keep MOT set between I2C messages
- return -EPROTO on short reads

Changes in v4:
- fix typo "bitrate" -> "bit rate"

Changes in v3:
- add back DRM_DEBUG_KMS and DRM_ERROR messages
- embed i2c_adapter within struct drm_dp_aux
- fix typo in comment
2014-02-26 17:21:34 +01:00
Thierry Reding
516c0f7c0a drm/dp: Add DisplayPort link helpers
Add a helper to probe a DP link (read out the supported DPCD revision,
maximum rate, link count and capabilities) as well as power up the DP
link and configure it accordingly.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
Changes in v5:
- export helpers

Changes in v4:
- fix a couple of typos in comments as pointed out by Alex Deucher

Changes in v3:
- split into drm_dp_link_power_up() and drm_dp_link_configure()
- do not change sink state for DPCD versions earlier than 1.1
- sleep for 1-2 ms after setting local sink to D0 state
- read and write consecutive registers where possible
- read DPCD revision when link is probed
- remove duplicate kerneldoc
2014-02-26 17:21:34 +01:00
Thierry Reding
8d4adc6a58 drm/dp: Add drm_dp_dpcd_read_link_status()
The function reads the link status (6 bytes starting at offset 0x202)
from the DPCD so that it can be conveniently passed to other DPCD
helpers.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-02-26 17:21:33 +01:00
Thierry Reding
c197db75ff drm/dp: Add AUX channel infrastructure
This is a superset of the current i2c_dp_aux bus functionality and can
be used to transfer native AUX in addition to I2C-over-AUX messages.

Helpers are provided to read and write the DPCD, either blockwise or
byte-wise. Many of the existing helpers for DisplayPort take a copy of a
portion of the DPCD and operate on that, without a way to write data
back to the DPCD (e.g. for configuration of the link).

Subsequent patches will build upon this infrastructure to provide common
functionality in a generic way.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
Changes in v5:
- move comments partially to struct drm_dp_aux_msg in header file
- return -EPROTO on short reads in DPCD helpers

Changes in v4:
- fix a typo in a comment

Changes in v3:
- reorder drm_dp_dpcd_writeb() arguments to be more intuitive
- return number of bytes transferred in drm_dp_dpcd_write()
- factor out drm_dp_dpcd_access()
- describe error codes
2014-02-26 17:21:32 +01:00
Linus Torvalds
24c8525840 regulator: Fixes for v3.14
Mostly unexciting driver fixes, plus one fix to lower the severity of
 the log message when we don't use an optional regulator - the fixes for
 ACPI system made this come up more often and it was correctly observed
 that it was causing undue concern for users.
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Merge tag 'regulator-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "Mostly unexciting driver fixes, plus one fix to lower the severity of
  the log message when we don't use an optional regulator - the fixes
  for ACPI system made this come up more often and it was correctly
  observed that it was causing undue concern for users"

* tag 'regulator-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: max14577: Fix invalid return value on DT parse success
  regulator: core: Change dummy supplies error message to a warning
  regulator: s5m8767: Add missing of_node_put
  regulator: s5m8767: Use of_get_child_by_name
  regulator: da9063: Bug fix when setting max voltage on LDOs 5-11
2014-02-23 17:37:25 -08:00
Linus Torvalds
5fe37fcf01 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "Another four fixlets to tame the ARM orion irq chip"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: orion: Fix getting generic chip pointer.
  irqchip: orion: clear stale interrupts in irq_startup
  irqchip: orion: use handle_edge_irq on bridge irqs
  irqchip: orion: clear bridge cause register on init
2014-02-23 14:15:08 -08:00
Linus Torvalds
f9b080803e USB fixes for 3.14-rc4
Here are a number of USB fixes for reported issues for 3.14-rc4
 
 The majority of these are for USB gadget, phy, and musb driver issues.
 And there's a few new device ids thrown in for good measure.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB fixes for reported issues for 3.14-rc4

  The majority of these are for USB gadget, phy, and musb driver issues.
  And there's a few new device ids thrown in for good measure"

* tag 'usb-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: chipidea: need to mask when writting endptflush and endptprime
  usb: musb: correct use of schedule_delayed_work()
  usb: phy: msm: fix compilation errors when !CONFIG_PM_SLEEP
  usb: gadget: fix NULL pointer dereference
  usb: gadget: printer: using gadget_is_otg to check otg support at runtime
  phy: let phy_provider_register be the last step in registering PHY
  phy-core: Don't allow building phy-core as a module
  phy-core: Don't propagate -ENOSUPP from phy_pm_runtime_get_sync to caller
  phy-core: phy_get: Leave error logging to the caller
  phy,phy-bcm-kona-usb2.c: Add dependency on HAS_IOMEM
  usb: musb: correct use of schedule_delayed_work()
  usb: musb: do not sleep in atomic context
  USB: serial: option: blacklist interface 4 for Cinterion PHS8 and PXS8
  USB: EHCI: add delay during suspend to prevent erroneous wakeups
  usb: gadget: bcm63xx_udc: fix build failure on DMA channel code
  usb: musb: do not sleep in atomic context
  usb: gadget: s3c2410_udc: Fix build error
  usb: musb: core: Fix remote-wakeup resume
  usb: musb: host: Fix SuperSpeed hub enumeration
  usb: musb: fix obex in g_nokia.ko causing kernel panic
2014-02-23 10:40:22 -08:00
Linus Torvalds
e0f13bd46a TTY patch revert for 3.14-rc4
Here is a single commit, a revert of a sysfs file change that ended up
 breaking a userspace tool.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull TTY revert from Greg KH:
 "Here is a single commit, a revert of a sysfs file change that ended up
  breaking a userspace tool"

* tag 'tty-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "tty: Set correct tty name in 'active' sysfs attribute"
2014-02-23 10:39:50 -08:00
Linus Torvalds
b9c2b05022 Staging tree fix for 3.14-rc4
Here is a single android driver fix for 3.14-rc4 that fixes a reported
 problem in the binder driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging tree fix from Greg KH:
 "Here is a single android driver fix for 3.14-rc4 that fixes a reported
  problem in the binder driver"

* tag 'staging-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: binder: Fix death notifications
2014-02-23 10:39:21 -08:00
Linus Torvalds
7834904362 Char/Misc fix for 3.14-rc4
Here is a single commit, to fix a reported problem in the mei driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here is a single commit, to fix a reported problem in the mei driver"

* tag 'char-misc-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mei: set client's read_cb to NULL when flow control fails
2014-02-23 10:38:51 -08:00
Mark Brown
bcad2ca372 Merge remote-tracking branches 'regulator/fix/da9063', 'regulator/fix/max14577' and 'regulator/fix/s5m8767' into regulator-linus 2014-02-23 12:22:18 +09:00
Mark Brown
f29d778fa4 Merge remote-tracking branch 'regulator/fix/core' into regulator-linus 2014-02-23 12:22:18 +09:00
Greg Kroah-Hartman
5c0a2450d6 Revert "tty: Set correct tty name in 'active' sysfs attribute"
This reverts commit d8a5dc3033.

This breaks plymouth installs, either because plymouth is using the file
"incorrectly" or because the patch is incorrect.  Either way, this needs
to be reverted until it is all figured out.

Reported-by: Josh Boyer <jwboyer@fedoraproject.org>
Reported-by: Ray Strode <halfline@gmail.com>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Werner Fink <werner@suse.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-22 14:31:04 -08:00
Linus Torvalds
0f0ca14386 Fix writing the minimum temperature in max1668 driver.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix writing the minimum temperature in max1668 driver"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (max1668) Fix writing the minimum temperature
2014-02-22 08:29:25 -08:00
Krzysztof Kozlowski
08221fc4e7 regulator: max14577: Fix invalid return value on DT parse success
This fixes bug introduced in 667a6b7a (regulator: max14577: Add missing
of_node_put). The DTS parsing function returned number of matched
regulators as success status which then was compared against 0 in probe.

Result was a probe fail after successful parsing the DTS:
max14577-regulator: probe of max14577-regulator failed with error 2

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviwed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:54:17 +09:00
Thomas Gleixner
ec79b577f0 irqchip mvebu fixes for v3.14
- orion:
     - fixes for clearing bridge cause register, and clearing stale interrupts
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Merge tag 'irqchip-mvebu-fixes-3.14' of git://git.infradead.org/linux-mvebu into irq/urgent

irqchip mvebu fixes for v3.14

 - orion:
    - fixes for clearing bridge cause register, and clearing stale interrupts

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-02-21 23:57:33 +01:00
Linus Torvalds
10527106ab Device tree compatible match order bug fix
This branch contains a bug fix for the way devicetree code identifies
 the type of device. Device drivers can contain a list of of_device_ids,
 but it more than one entry will match, then the device driver may choose
 the wrong one. Commit 105353145e, "match each node compatible against
 all given matches first", was queued for v3.14 but ended up causing
 other bugs. Commit 06b29e76a7 attempted to fix it but it had other bugs.
 Merely reverting the fix and waiting until v3.15 isn't a good option
 because there is code in v3.14 that depends on the revised behaviour to
 boot.
 
 This branch should finally fixes the problem correctly. This time
 instead of just hoping that the patch is correct, this branch also adds
 new testcases that validate the behaviour.
 
 The changes in this branch are larger than I would like for a -rc pull,
 but moving the test case data out of out of arch/arm so that it could be
 validated on other architectures was important.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull devicetree fixes from Grant Likely:
 "Device tree compatible match order bug fix

  This branch contains a bug fix for the way devicetree code identifies
  the type of device.  Device drivers can contain a list of
  of_device_ids, but it more than one entry will match, then the device
  driver may choose the wrong one.  Commit 105353145e, "match each node
  compatible against all given matches first", was queued for v3.14 but
  ended up causing other bugs.  Commit 06b29e76a7 attempted to fix it
  but it had other bugs.  Merely reverting the fix and waiting until
  v3.15 isn't a good option because there is code in v3.14 that depends
  on the revised behaviour to boot.

  This branch should finally fixes the problem correctly.  This time
  instead of just hoping that the patch is correct, this branch also
  adds new testcases that validate the behaviour.

  The changes in this branch are larger than I would like for a -rc
  pull, but moving the test case data out of out of arch/arm so that it
  could be validated on other architectures was important"

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
  of: Add self test for of_match_node()
  of: Move testcase FDT data into drivers/of
  of: reimplement the matching method for __of_match_node()
  Revert "of: search the best compatible match first in __of_match_node()"
2014-02-21 14:35:05 -08:00
Linus Torvalds
0a4e836a60 Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fix from Wim Van Sebroeck:
 "It corrects the error code when no device was found for w83697hf_wdt"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: w83697hf_wdt: return ENODEV if no device was found
2014-02-21 14:34:26 -08:00
Andrew Lunn
d86e9af633 irqchip: orion: Fix getting generic chip pointer.
Enabling SPARSE_IRQ shows up a bug in the irq-orion bridge interrupt
handler. The bridge interrupt is implemented using a single generic
chip. Thus the parameter passed to irq_get_domain_generic_chip()
should always be zero.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Fixes: 9dbd90f17e ("irqchip: Add support for Marvell Orion SoCs")
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-21 21:46:56 +00:00
Matthieu CASTET
5bf5dbeda2 usb: chipidea: need to mask when writting endptflush and endptprime
ENDPTFLUSH and ENDPTPRIME registers are set by software and clear
by hardware. There is a bit for each endpoint. When we are setting
a bit for an endpoint we should make sure we do not touch other
endpoint bit. There is a race condition if the hardware clear the
bit between the read and the write in hw_write.

Cc: stable <stable@vger.kernel.org> # 3.11+
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Tested-by: Michael Grzeschik <mgrzeschik@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-21 12:34:45 -08:00
Arve Hjønnevåg
e194fd8a5d staging: binder: Fix death notifications
The change (008fa749e0) that moved the
node release code to a separate function broke death notifications in
some cases. When it encountered a reference without a death
notification request, it would skip looking at the remaining
references, and therefore fail to send death notifications for them.

Cc: Colin Cross <ccross@android.com>
Cc: Android Kernel Team <kernel-team@android.com>
Cc: stable <stable@vger.kernel.org> # 3.10
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-21 12:30:54 -08:00
Stanislav Kholmanskikh
0cb1c3e853 watchdog: w83697hf_wdt: return ENODEV if no device was found
Most WDT driver modules return ENODEV during modprobe if
no valid device was found, but w83697hf_wdt returns EIO.

Let w83697hf_wdt return ENODEV.

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-02-21 20:36:46 +01:00
Linus Torvalds
34acae3ce3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
 "Three minor fixes from David Howells and Paul Gortmaker"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  Sparc: sparc_cpu_model isn't in asm/system.h any more [ver ]
  sparc32: make copy_to/from_user_page() usable from modular code
  sparc32: fix build failure for arch_jump_label_transform
2014-02-21 10:14:15 -08:00
Linus Torvalds
795233bfd6 ACPI and power management fixes for 3.14-rc4
- Fix for a recent probing regression in the nouveau driver introduced
    by an ACPI change related to the handling of _DSM from Jiang Liu.
 
  - Fix for a dock station sysfs attribute that stopped working correctly
    after recent changes in the ACPI core.
 
  - cpufreq fix taking care of broken code related to CPU removal and
    overlooked by a previous recent fix in that area.  From Viresh Kumar.
 
  - Two intel_pstate fixes related to Baytrail support added during
    the 3.13 cycle (candidates for -stable) from Dirk Brandewie.
 
  - ACPI video fix removing duplicate brightness values from the _BCL
    table which makes its user space interface behave sanely.  From
    Hans de Goede.
 
  - Fix for the powernow-k8 cpufreq driver making it initialize its
    per-CPU data structures correctly from Srivatsa S. Bhat.
 
  - Fix for an obscure memory leak in the ACPI PCI interrupt allocation
    code (related to ISA) from Tomasz Nowicki.
 
  - ACPI video blacklist changes moving several systems that should
    use the native backlight interface instead of the ACPI one from
    the general ACPI _OSI blacklist the the ACPI video driver's
    blacklist where they belong.  This consists of an ACPI video
    driver update from Aaron Lu and a revert of a previous commit
    adding systems to the ACPI _OSI blacklist requested by Takashi Iwai.
 
  - Several fixes for build issues in ACPI drivers occuring when
    CONFIG_PM_SLEEP is unset from Shuah Khan.
 
  - Fix for an sscanf() format string in the ACPI Smart Battery
    Subsystem (SBS) driver from Luis G.F.
 
 /
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Merge tag 'pm+acpi-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These include two fixes for recent regressions related to ACPI, a
  cpufreq fix for breakage overlooked by a previous fix commit, two
  intel_pstate fixes for stuff added during the 3.13 cycle that need to
  go into -stable, three fixes for older bugs that also are -stable
  candidates, ACPI video blacklist changes related to BIOSes that behave
  in a special way on Windows 8, several build fixes for CONFIG_PM_SLEEP
  unset in ACPI drivers and an ACPI driver cleanup.

  Specifics:

   - Fix for a recent probing regression in the nouveau driver
     introduced by an ACPI change related to the handling of _DSM from
     Jiang Liu.

   - Fix for a dock station sysfs attribute that stopped working
     correctly after recent changes in the ACPI core.

   - cpufreq fix taking care of broken code related to CPU removal and
     overlooked by a previous recent fix in that area.  From Viresh
     Kumar.

   - Two intel_pstate fixes related to Baytrail support added during the
     3.13 cycle (candidates for -stable) from Dirk Brandewie.

   - ACPI video fix removing duplicate brightness values from the _BCL
     table which makes its user space interface behave sanely.  From
     Hans de Goede.

   - Fix for the powernow-k8 cpufreq driver making it initialize its
     per-CPU data structures correctly from Srivatsa S Bhat.

   - Fix for an obscure memory leak in the ACPI PCI interrupt allocation
     code (related to ISA) from Tomasz Nowicki.

   - ACPI video blacklist changes moving several systems that should use
     the native backlight interface instead of the ACPI one from the
     general ACPI _OSI blacklist the the ACPI video driver's blacklist
     where they belong.  This consists of an ACPI video driver update
     from Aaron Lu and a revert of a previous commit adding systems to
     the ACPI _OSI blacklist requested by Takashi Iwai.

   - Several fixes for build issues in ACPI drivers occuring when
     CONFIG_PM_SLEEP is unset from Shuah Khan.

   - Fix for an sscanf() format string in the ACPI Smart Battery
     Subsystem (SBS) driver from Luis G.F"

* tag 'pm+acpi-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  intel_pstate: Add support for Baytrail turbo P states
  intel_pstate: Use LFM bus ratio as min ratio/P state
  ACPI / nouveau: fix probing regression related to _DSM
  Revert "ACPI: Blacklist Win8 OSI for some HP laptop 2013 models"
  ACPI / video: Add systems that should favour native backlight interface
  ACPI / video: Filter the _BCL table for duplicate brightness values
  cpufreq: powernow-k8: Initialize per-cpu data-structures properly
  cpufreq: remove sysfs link when a cpu != policy->cpu, is removed
  ACPI / PCI: Fix memory leak in acpi_pci_irq_enable()
  ACPI / dock: Make 'docked' sysfs attribute work as documented
  ACPI / SBS: Fix incorrect sscanf() string
  ACPI / thermal: fix thermal driver compile error when CONFIG_PM_SLEEP is undefined
  ACPI / SBS: fix SBS driver compile error when CONFIG_PM_SLEEP is undefined
  ACPI / fan: fix fan driver compile error when CONFIG_PM_SLEEP is undefined
  ACPI / button: fix button driver compile error when CONFIG_PM_SLEEP is undefined
  ACPI / battery: fix battery driver compile error when CONFIG_PM_SLEEP is undefined
  ACPI / AC: fix AC driver compile error when CONFIG_PM_SLEEP is undefined
2014-02-21 10:01:17 -08:00