277938 Commits

Author SHA1 Message Date
Linus Torvalds
14f97d9713 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Bunch of fixes all over the place, all pretty small: amdgpu, i915,
  exynos, one qxl and one vmwgfx.

  There is also a bunch of mst fixes, I left some cleanups in the series
  as I didn't think it was worth splitting up the tested series"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (37 commits)
  drm/dp/mst: add some defines for logical/physical ports
  drm/dp/mst: drop cancel work sync in the mstb destroy path (v2)
  drm/dp/mst: split connector registration into two parts (v2)
  drm/dp/mst: update the link_address_sent before sending the link address (v3)
  drm/dp/mst: fixup handling hotplug on port removal.
  drm/dp/mst: don't pass port into the path builder function
  drm/radeon: drop radeon_fb_helper_set_par
  drm: handle cursor_set2 in restore_fbdev_mode
  drm/exynos: Staticize local function in exynos_drm_gem.c
  drm/exynos: fimd: actually disable dp clock
  drm/exynos: dp: remove suspend/resume functions
  drm/qxl: recreate the primary surface when the bo is not primary
  drm/amdgpu: only print meaningful VM faults
  drm/amdgpu/cgs: remove import_gpu_mem
  drm/i915: Call non-locking version of drm_kms_helper_poll_enable(), v2
  drm: Add a non-locking version of drm_kms_helper_poll_enable(), v2
  drm/vmwgfx: Fix a command submission hang regression
  drm/exynos: remove unused mode_fixup() code
  drm/exynos: remove decon_mode_fixup()
  drm/exynos: remove fimd_mode_fixup()
  ...
2015-10-03 10:39:31 -04:00
Linus Torvalds
978ab6a009 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
 "Fixes for two recent regressions (in Synaptics PS/2 and uinput
  drivers) and some more driver fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Revert "Input: synaptics - fix handling of disabling gesture mode"
  Input: psmouse - fix data race in __ps2_command
  Input: elan_i2c - add all valid ic type for i2c/smbus
  Input: zhenhua - ensure we have BITREVERSE
  Input: omap4-keypad - fix memory leak
  Input: serio - fix blocking of parport
  Input: uinput - fix crash when using ABS events
  Input: elan_i2c - expand maximum product_id form 0xFF to 0xFFFF
  Input: elan_i2c - add ic type 0x03
  Input: elan_i2c - don't require known iap version
  Input: imx6ul_tsc - fix controller name
  Input: imx6ul_tsc - use the preferred method for kzalloc()
  Input: imx6ul_tsc - check for negative return value
  Input: imx6ul_tsc - propagate the errors
  Input: walkera0701 - fix abs() calculations on 64 bit values
  Input: mms114 - remove unneded semicolons
  Input: pm8941-pwrkey - remove unneded semicolon
  Input: fix typo in MT documentation
  Input: cyapa - fix address of Gen3 devices in device tree documentation
2015-10-02 17:53:25 -04:00
Linus Torvalds
83dc311ce0 dmaengine fixes for 4.3-rc4
This contains fixes spread throughout the drivers
    Also fixes one more instance of privatecnt in dmaengine
    bunch of pxa_dma fixes for reuse of descriptor issue, residue and
    no-requestor
    odd fixes in xgene, idma, sun4i and zxdma
    at_xdmac fixes for cleaning descriptor and block addr mode
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Merge tag 'dmaengine-fix-4.3-rc4' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "This contains fixes spread throughout the drivers, and also fixes one
  more instance of privatecnt in dmaengine.

  Driver fixes summary:
   - bunch of pxa_dma fixes for reuse of descriptor issue, residue and
     no-requestor
   - odd fixes in xgene, idma, sun4i and zxdma
   - at_xdmac fixes for cleaning descriptor and block addr mode"

* tag 'dmaengine-fix-4.3-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: pxa_dma: fix residue corner case
  dmaengine: pxa_dma: fix the no-requestor case
  dmaengine: zxdma: Fix off-by-one for testing valid pchan request
  dmaengine: at_xdmac: clean used descriptor
  dmaengine: at_xdmac: change block increment addressing mode
  dmaengine: dw: properly read DWC_PARAMS register
  dmaengine: xgene-dma: Fix overwritting DMA tx ring
  dmaengine: fix balance of privatecnt
  dmaengine: sun4i: fix unsafe list iteration
  dmaengine: idma64: improve residue estimation
  dmaengine: xgene-dma: fix handling xgene_dma_get_ring_size result
  dmaengine: pxa_dma: fix initial list move
2015-10-02 14:46:15 -04:00
Linus Torvalds
27728bf04b Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "Another week, another round of fixes.

  These have been brewing for a bit and in various iterations, but I
  feel pretty comfortable about the quality of them.  They fix real
  issues.  The pull request is mostly blk-mq related, and the only one
  not fixing a real bug, is the tag iterator abstraction from Christoph.
  But it's pretty trivial, and we'll need it for another fix soon.

  Apart from the blk-mq fixes, there's an NVMe affinity fix from Keith,
  and a single fix for xen-blkback from Roger fixing failure to free
  requests on disconnect"

* 'for-linus' of git://git.kernel.dk/linux-block:
  blk-mq: factor out a helper to iterate all tags for a request_queue
  blk-mq: fix racy updates of rq->errors
  blk-mq: fix deadlock when reading cpu_list
  blk-mq: avoid inserting requests before establishing new mapping
  blk-mq: fix q->mq_usage_counter access race
  blk-mq: Fix use after of free q->mq_map
  blk-mq: fix sysfs registration/unregistration race
  blk-mq: avoid setting hctx->tags->cpumask before allocation
  NVMe: Set affinity after allocating request queues
  xen/blkback: free requests on disconnection
2015-10-02 14:40:57 -04:00
Dmitry Torokhov
62d7846144 Revert "Input: synaptics - fix handling of disabling gesture mode"
This reverts commit e51e38494a8ecc18650efb0c840600637891de2c: we
actually do want the device to work in extended W mode, as this is the
mode that allows us receiving multiple contact information.

Cc: stable@vger.kernel.org
2015-10-02 10:31:32 -07:00
Linus Torvalds
36f8dafe52 MMC core:
- Allow users of mmc_of_parse() to succeed when CONFIG_GPIOLIB is unset
  - Prevent infinite loop of re-tuning for CRC-errors for CMD19 and CMD21
 
 MMC host:
  - pxamci: Fix issues with card detect
  - sunxi: Fix clk-delay settings
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Merge tag 'mmc-v4.3-rc3' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC fixes from Ulf Hansson:
 "Here are some mmc fixes intended for v4.3 rc4:

  MMC core:
   - Allow users of mmc_of_parse() to succeed when CONFIG_GPIOLIB is
     unset
   - Prevent infinite loop of re-tuning for CRC-errors for CMD19 and
     CMD21

   MMC host:
   - pxamci: Fix issues with card detect
   - sunxi: Fix clk-delay settings"

* tag 'mmc-v4.3-rc3' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: core: fix dead loop of mmc_retune
  mmc: pxamci: fix card detect with slot-gpio API
  mmc: sunxi: Fix clk-delay settings
  mmc: core: Don't return an error for CD/WP GPIOs when GPIOLIB is unset
2015-10-02 08:03:04 -04:00
Linus Torvalds
8c25ab8b5a Merge git://git.infradead.org/intel-iommu
Pull IOVA fixes from David Woodhouse:
 "The main fix here is the first one, fixing the over-allocation of
   size-aligned requests.  The other patches simply make the existing
  IOVA code available to users other than the Intel VT-d driver, with no
  functional change.

  I concede the latter really *should* have been submitted during the
  merge window, but since it's basically risk-free and people are
  waiting to build on top of it and it's my fault I didn't get it in, I
  (and they) would be grateful if you'd take it"

* git://git.infradead.org/intel-iommu:
  iommu: Make the iova library a module
  iommu: iova: Export symbols
  iommu: iova: Move iova cache management to the iova library
  iommu/iova: Avoid over-allocating when size-aligned
2015-10-02 07:59:29 -04:00
Dave Airlie
ccf03d6995 drm/dp/mst: add some defines for logical/physical ports
This just removes the magic number.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:42 +10:00
Dave Airlie
274d835248 drm/dp/mst: drop cancel work sync in the mstb destroy path (v2)
Since 9eb1e57f564d4e6e10991402726cc83fe0b9172f
drm/dp/mst: make sure mst_primary mstb is valid in work function

we validate the mstb structs in the work function, and doing
that takes a reference. So we should never get here with the
work function running using the mstb device, only if the work
function hasn't run yet or is running for another mstb.

So we don't need to sync the work here, this was causing
lockdep spew as below.

[  +0.000160] =============================================
[  +0.000001] [ INFO: possible recursive locking detected ]
[  +0.000002] 3.10.0-320.el7.rhel72.stable.backport.3.x86_64.debug  Tainted: G        W      ------------
[  +0.000001] ---------------------------------------------
[  +0.000001] kworker/4:2/1262 is trying to acquire lock:
[  +0.000001]  ((&mgr->work)){+.+.+.}, at: [<ffffffff810b29a5>] flush_work+0x5/0x2e0
[  +0.000007]
but task is already holding lock:
[  +0.000001]  ((&mgr->work)){+.+.+.}, at: [<ffffffff810b57e4>] process_one_work+0x1b4/0x710
[  +0.000004]
other info that might help us debug this:
[  +0.000001]  Possible unsafe locking scenario:

[  +0.000002]        CPU0
[  +0.000000]        ----
[  +0.000001]   lock((&mgr->work));
[  +0.000002]   lock((&mgr->work));
[  +0.000001]
 *** DEADLOCK ***

[  +0.000001]  May be due to missing lock nesting notation

[  +0.000002] 2 locks held by kworker/4:2/1262:
[  +0.000001]  :  (events_long){.+.+.+}, at: [<ffffffff810b57e4>] process_one_work+0x1b4/0x710
[  +0.000004]  :  ((&mgr->work)){+.+.+.}, at: [<ffffffff810b57e4>] process_one_work+0x1b4/0x710
[  +0.000003]
stack backtrace:
[  +0.000003] CPU: 4 PID: 1262 Comm: kworker/4:2 Tainted: G        W      ------------   3.10.0-320.el7.rhel72.stable.backport.3.x86_64.debug 
[  +0.000001] Hardware name: LENOVO 20EGS0R600/20EGS0R600, BIOS GNET71WW (2.19 ) 02/05/2015
[  +0.000008] Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
[  +0.000001]  ffffffff82c26c90 00000000a527b914 ffff88046399bae8 ffffffff816fe04d
[  +0.000004]  ffff88046399bb58 ffffffff8110f47f ffff880461438000 0001009b840fc003
[  +0.000002]  ffff880461438a98 0000000000000000 0000000804dc26e1 ffffffff824a2c00
[  +0.000003] Call Trace:
[  +0.000004]  [<ffffffff816fe04d>] dump_stack+0x19/0x1b
[  +0.000004]  [<ffffffff8110f47f>] __lock_acquire+0x115f/0x1250
[  +0.000002]  [<ffffffff8110fd49>] lock_acquire+0x99/0x1e0
[  +0.000002]  [<ffffffff810b29a5>] ? flush_work+0x5/0x2e0
[  +0.000002]  [<ffffffff810b29ee>] flush_work+0x4e/0x2e0
[  +0.000002]  [<ffffffff810b29a5>] ? flush_work+0x5/0x2e0
[  +0.000004]  [<ffffffff81025905>] ? native_sched_clock+0x35/0x80
[  +0.000002]  [<ffffffff81025959>] ? sched_clock+0x9/0x10
[  +0.000002]  [<ffffffff810da1f5>] ? local_clock+0x25/0x30
[  +0.000002]  [<ffffffff8110dca9>] ? mark_held_locks+0xb9/0x140
[  +0.000003]  [<ffffffff810b4ed5>] ? __cancel_work_timer+0x95/0x160
[  +0.000002]  [<ffffffff810b4ee8>] __cancel_work_timer+0xa8/0x160
[  +0.000002]  [<ffffffff810b4fb0>] cancel_work_sync+0x10/0x20
[  +0.000007]  [<ffffffffa0160d17>] drm_dp_destroy_mst_branch_device+0x27/0x120 [drm_kms_helper]
[  +0.000006]  [<ffffffffa0163968>] drm_dp_mst_link_probe_work+0x78/0xa0 [drm_kms_helper]
[  +0.000002]  [<ffffffff810b5850>] process_one_work+0x220/0x710
[  +0.000002]  [<ffffffff810b57e4>] ? process_one_work+0x1b4/0x710
[  +0.000005]  [<ffffffff810b5e5b>] worker_thread+0x11b/0x3a0
[  +0.000003]  [<ffffffff810b5d40>] ? process_one_work+0x710/0x710
[  +0.000002]  [<ffffffff810beced>] kthread+0xed/0x100
[  +0.000003]  [<ffffffff810bec00>] ? insert_kthread_work+0x80/0x80
[  +0.000003]  [<ffffffff817121d8>] ret_from_fork+0x58/0x90

v2: add flush_work.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:42 +10:00
Dave Airlie
d9515c5ec1 drm/dp/mst: split connector registration into two parts (v2)
In order to cache the EDID properly for tiled displays, we
need to retrieve it before we register the connector with
userspace, otherwise userspace can call get resources
and try and get the edid before we've even cached it.

This fixes some problems when hotplugging mst monitors,
with X/mutter running. As mutter seems to get 0 modes
for one of the monitors in the tile.

v2: fix warning in radeon
handle tile setting in cached path rather than
get edid path.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:41 +10:00
Dave Airlie
68d8c9fc91 drm/dp/mst: update the link_address_sent before sending the link address (v3)
Update the state before sending the msg to close it.

v2: reset value if return indicates we haven't send the msg.
v3: just clean the code up.
Pointed out by Adam J Richter on

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91481

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:41 +10:00
Dave Airlie
df4839fdc9 drm/dp/mst: fixup handling hotplug on port removal.
output ports should always have a connector, unless
in the rare case connector allocation fails in the
driver.

In this case we only need to teardown the pdt,
and free the struct, and there is no need to
send a hotplug msg.

In the case were we add the port to the destroy
list we need to send a hotplug if we destroy
any connectors, so userspace knows to reprobe
stuff.

this patch also handles port->connector allocation
failing which should be a rare event, but makes
the code consistent.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:40 +10:00
Dave Airlie
1c960876be drm/dp/mst: don't pass port into the path builder function
This is unnecessary and it makes it easier to see what is needed
from port.

also add blank line to make things nicer.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:34:40 +10:00
Alex Deucher
0c6dadbe79 drm/radeon: drop radeon_fb_helper_set_par
It was just a wrapper around drm_fb_helper_set_par that
called cursor_set2 in addition.  Now that the core handles
this, drop this radeon specific version.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:31:00 +10:00
Alex Deucher
03f9abb28c drm: handle cursor_set2 in restore_fbdev_mode
If a driver uses the cursor_set2 crtc callback rather than
cursor_set, use that.  This fixes the fbdev helper for drivers
that use cursor_set2.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-02 15:30:41 +10:00
Linus Torvalds
bde17b90dd Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
 "12 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  dmapool: fix overflow condition in pool_find_page()
  thermal: avoid division by zero in power allocator
  memcg: remove pcp_counter_lock
  kprobes: use _do_fork() in samples to make them work again
  drivers/input/joystick/Kconfig: zhenhua.c needs BITREVERSE
  memcg: make mem_cgroup_read_stat() unsigned
  memcg: fix dirty page migration
  dax: fix NULL pointer in __dax_pmd_fault()
  mm: hugetlbfs: skip shared VMAs when unmapping private pages to satisfy a fault
  mm/slab: fix unexpected index mapping result of kmalloc_size(INDEX_NODE+1)
  userfaultfd: remove kernel header include from uapi header
  arch/x86/include/asm/efi.h: fix build failure
2015-10-01 22:20:11 -04:00
Linus Torvalds
1bca1000fa Power management and ACPI material for v4.3-rc4
- intel_idle driver fixup for the recently added Skylake chips
    support (Len Brown).
 
  - Operating Performance Points (OPP) library fix related to the
    recently added support for new DT bindings and a fix for a typo
    in a comment (Viresh Kumar, Stephen Boyd).
 
  - ACPI EC driver fix for a recently introduced memory leak in an
    error code path (Lv Zheng).
 
  - ACPI PCI IRQ management fix for the issue where an ISA IRQ is
    shared with a PCI device which requires it to be configured in a
    different way and may cause an interrupt storm to happen as a
    result with an extra ACPI SCI IRQ handling simplification on top
    of it (Jiang Liu).
 
  - Update of the PCI power management documentation that became
    outdated and started to actively confuse the readers to make
    it actually reflect the code (Rafael J Wysocki).
 
  - turbostat fixes including an IVB Xeon regression fix (related to
    the --debug command line option), Skylake adjustment for the TSC
    running at a frequency that doesn't match the base one exactly,
    and a Knights Landing quirk to account for the fact that it only
    updates APERF and MPERF every 1024 clock cycles plus bumping up
    the turbostat version number (Len Brown, Hubert Chrzaniuk).
 
 /
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Merge tag 'pm+acpi-4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These are fixes mostly, for a few changes made in this cycle (the
  intel_idle driver, the OPP library, the ACPI EC driver, turbostat) and
  for some issues that have just been discovered (ACPI PCI IRQ
  management, PCI power management documentation, turbostat), with a
  couple of cleanups on top of them.

  Specifics:

   - intel_idle driver fixup for the recently added Skylake chips
     support (Len Brown).

   - Operating Performance Points (OPP) library fix related to the
     recently added support for new DT bindings and a fix for a typo in
     a comment (Viresh Kumar, Stephen Boyd).

   - ACPI EC driver fix for a recently introduced memory leak in an
     error code path (Lv Zheng).

   - ACPI PCI IRQ management fix for the issue where an ISA IRQ is
     shared with a PCI device which requires it to be configured in a
     different way and may cause an interrupt storm to happen as a
     result with an extra ACPI SCI IRQ handling simplification on top of
     it (Jiang Liu).

   - Update of the PCI power management documentation that became
     outdated and started to actively confuse the readers to make it
     actually reflect the code (Rafael J Wysocki).

   - turbostat fixes including an IVB Xeon regression fix (related to
     the --debug command line option), Skylake adjustment for the TSC
     running at a frequency that doesn't match the base one exactly, and
     a Knights Landing quirk to account for the fact that it only
     updates APERF and MPERF every 1024 clock cycles plus bumping up the
     turbostat version number (Len Brown, Hubert Chrzaniuk)"

* tag 'pm+acpi-4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  tools/power turbosat: update version number
  tools/power turbostat: SKL: Adjust for TSC difference from base frequency
  tools/power turbostat: KNL workaround for %Busy and Avg_MHz
  tools/power turbostat: IVB Xeon: fix --debug regression
  ACPI / PCI: Remove duplicated penalty on SCI IRQ
  ACPI, PCI, irq: Do not share PCI IRQ with ISA IRQ
  ACPI / EC: Fix a memory leak issue in acpi_ec_query()
  PM / OPP: Fix typo modifcation -> modification
  PCI / PM: Update runtime PM documentation for PCI devices
  PM / OPP: of_property_count_u32_elems() can return errors
  intel_idle: Skylake Client Support - updated
2015-10-01 22:06:40 -04:00
Linus Torvalds
3deaa4f531 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

1) Fix regression in SKB partial checksum handling, from Pravin B
   Shalar.

2) Fix VLAN inside of VXLAN handling in i40e driver, from Jesse
   Brandeburg.

3) Cure softlockups during accept() in SCTP, from Karl Heiss.

4) MSG_PEEK should return multiple SKBs worth of data in AF_UNIX, from
   Aaron Conole.

5) IPV6 erroneously ignores output interface specifier in lookup key for
   route lookups, fix from David Ahern.

6) In Marvell DSA driver, forward unknown frames to CPU port, from
   Andrew Lunn.

7) Mission flow flag initializations in some code paths, from David
   Ahern.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  net: Initialize flow flags in input path
  net: dsa: fix preparation of a port STP update
  testptp: Silence compiler warnings on ppc64
  net/mlx4: Handle return codes in mlx4_qp_attach_common
  dsa: mv88e6xxx: Enable forwarding for unknown to the CPU port
  skbuff: Fix skb checksum partial check.
  net: ipv6: Add RT6_LOOKUP_F_IFACE flag if oif is set
  net sysfs: Print link speed as signed integer
  bna: fix error handling
  af_unix: return data from multiple SKBs on recv() with MSG_PEEK flag
  af_unix: Convert the unix_sk macro to an inline function for type safety
  net: sctp: Don't use 64 kilobyte lookup table for four elements
  l2tp: protect tunnel->del_work by ref_count
  net/ibm/emac: bump version numbers for correct work with ethtool
  sctp: Prevent soft lockup when sctp_accept() is called during a timeout event
  sctp: Whitespace fix
  i40e/i40evf: check for stopped admin queue
  i40e: fix VLAN inside VXLAN
  r8169: fix handling rtl_readphy result
  net: hisilicon: fix handling platform_get_irq result
2015-10-01 21:55:35 -04:00
Andrea Arcangeli
44241628bb thermal: avoid division by zero in power allocator
During boot I get a div by zero Oops regression starting in v4.3-rc3.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Javi Merino <javi.merino@arm.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-10-01 21:42:35 -04:00
Andrew Morton
09a59a9d57 drivers/input/joystick/Kconfig: zhenhua.c needs BITREVERSE
It uses bitrev8(), so it must ensure that lib/bitrev.o gets included in
vmlinux.

Cc: Fengguang Wu <fengguang.wu@gmail.com>
Cc: yalin wang <yalin.wang2010@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-10-01 21:42:35 -04:00
Dave Airlie
ec403b89e3 Merge tag 'drm-intel-fixes-2015-10-01' of git://anongit.freedesktop.org/drm-intel into drm-fixes
a few i915 fixes for v4.3.

* tag 'drm-intel-fixes-2015-10-01' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Call non-locking version of drm_kms_helper_poll_enable(), v2
  drm: Add a non-locking version of drm_kms_helper_poll_enable(), v2
  drm/i915: Consider HW CSB write pointer before resetting the sw read pointer
  drm/i915/skl: Don't call intel_prepare_ddi when encoder list isn't yet initialized.
2015-10-02 10:47:29 +10:00
Dave Airlie
62886a367b Merge tag 'vmwgfx-fixes-4.3-151001' of git://people.freedesktop.org/~thomash/linux into drm-fixes
A single commit to fix a command submission hang regression.

Pull request of 2015-10-01

* tag 'vmwgfx-fixes-4.3-151001' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Fix a command submission hang regression
2015-10-02 10:46:51 +10:00
Dave Airlie
8e592eab04 Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
This pull request includes regression fixups, build warnings, and
   trivial cleanups which mostly remove some codes not used anymore.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: Staticize local function in exynos_drm_gem.c
  drm/exynos: fimd: actually disable dp clock
  drm/exynos: dp: remove suspend/resume functions
  drm/exynos: remove unused mode_fixup() code
  drm/exynos: remove decon_mode_fixup()
  drm/exynos: remove fimd_mode_fixup()
  drm/exynos: rotator: Clock control is unused if !PM
  drm/exynos: fimc: Clock control is unused if !PM
  drm/exynos: Suspend/resume is unused if !PM
  drm/exynos: create a fake mmap offset with gem creation
  drm/exynos: remove call to drm_gem_free_mmap_offset()
  drm/exynos: Remove useless EXPORT_SYMBOL_GPLs
  drm/exynos: cleanup line feed in exynos_drm_gem_get_ioctl
  drm/exynos: cleanup function calling written twice
  drm/exynos: staticize exynos_drm_gem_init()
  drm/exynos: remove unnecessary NULL assignment
  drm/exynos: fix missed calling of drm_prime_gem_destroy()
  drm/exynos: fix layering violation of address
2015-10-02 10:46:18 +10:00
Dave Airlie
5b6386419c Merge branch 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
radeon and amdgpu fixes for 4.3.
- backlight s/r fixes
- typo fix from Dan
- vm debugging fix
- remove import_gpu_mem after discussion with Daniel

* 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: only print meaningful VM faults
  drm/amdgpu/cgs: remove import_gpu_mem
  drm/amdgpu:  Restore LCD backlight level on resume
  drm/radeon: Restore LCD backlight level on resume (>= R5xx)
  drm/amdgpu: signedness bug in amdgpu_cs_parser_init()
2015-10-02 10:35:22 +10:00
Linus Torvalds
46c8217c4a Changes for 4.3-rc4
- Fixes for mlx5 related issues
 - Fixes for ipoib multicast handling
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 - Fixes for mlx5 related issues
 - Fixes for ipoib multicast handling

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/ipoib: increase the max mcast backlog queue
  IB/ipoib: Make sendonly multicast joins create the mcast group
  IB/ipoib: Expire sendonly multicast joins
  IB/mlx5: Remove pa_lkey usages
  IB/mlx5: Remove support for IB_DEVICE_LOCAL_DMA_LKEY
  IB/iser: Add module parameter for always register memory
  xprtrdma: Replace global lkey with lkey local to PD
2015-10-01 16:38:52 -04:00
Rafael J. Wysocki
eb6d1c287a Merge branches 'pm-cpuidle', 'pm-opp' and 'pm-tools'
* pm-cpuidle:
  intel_idle: Skylake Client Support - updated

* pm-opp:
  PM / OPP: Fix typo modifcation -> modification
  PM / OPP: of_property_count_u32_elems() can return errors

* pm-tools:
  tools/power turbosat: update version number
  tools/power turbostat: SKL: Adjust for TSC difference from base frequency
  tools/power turbostat: KNL workaround for %Busy and Avg_MHz
  tools/power turbostat: IVB Xeon: fix --debug regression
2015-10-01 22:30:47 +02:00
Rafael J. Wysocki
01351eb23c Merge branch 'acpi-ec'
* acpi-ec:
  ACPI / EC: Fix a memory leak issue in acpi_ec_query()
2015-10-01 22:30:35 +02:00
Rafael J. Wysocki
dd953d318d Merge branches 'pm-pci' and 'acpi-pci'
* pm-pci:
  PCI / PM: Update runtime PM documentation for PCI devices

* acpi-pci:
  ACPI / PCI: Remove duplicated penalty on SCI IRQ
  ACPI, PCI, irq: Do not share PCI IRQ with ISA IRQ
2015-10-01 22:30:12 +02:00
Linus Torvalds
f97b870ece This pull request contains three bug fixes for both UBI
and UBIFS.
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Merge tag 'upstream-4.3-rc4' of git://git.infradead.org/linux-ubifs

Pull UBI/UBIFS fixes from Richard Weinberger:
 "This contains three bug fixes for both UBI and UBIFS"

* tag 'upstream-4.3-rc4' of git://git.infradead.org/linux-ubifs:
  UBI: return ENOSPC if no enough space available
  UBI: Validate data_size
  UBIFS: Kill unneeded locking in ubifs_init_security
2015-10-01 07:57:27 -04:00
Christoph Hellwig
f4829a9b7a blk-mq: fix racy updates of rq->errors
blk_mq_complete_request may be a no-op if the request has already
been completed by others means (e.g. a timeout or cancellation), but
currently drivers have to set rq->errors before calling
blk_mq_complete_request, which might leave us with the wrong error value.

Add an error parameter to blk_mq_complete_request so that we can
defer setting rq->errors until we known we won the race to complete the
request.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2015-10-01 10:10:55 +02:00
Krzysztof Kozlowski
cda374253f drm/exynos: Staticize local function in exynos_drm_gem.c
The exynos_drm_gem_mmap_buffer() is not used outside so make it static.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-10-01 14:29:51 +09:00
Gustavo Padovan
3c79fb8c94 drm/exynos: fimd: actually disable dp clock
fimd_dp_clock_enable() was setting the always to enabled,
this patch fix this to actually use the value that is set to 'val'.

Reported-by: Emilio López <emilio.lopez@collabora.co.uk>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-10-01 13:25:11 +09:00
Inki Dae
148ba09c46 drm/exynos: dp: remove suspend/resume functions
This patch removes unnecessary pm suspend/resume functions.

All kms sub drivers will be controlled by top of Exynos drm driver
and connector dpms so these sub drivers shouldn't have their own
pm interfaces.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2015-10-01 13:23:13 +09:00
Fabiano Fidêncio
8d0d94015e drm/qxl: recreate the primary surface when the bo is not primary
When disabling/enabling a crtc the primary area must be updated
independently of which crtc has been disabled/enabled.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1264735

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-01 13:57:21 +10:00
Robert Jarzmik
7b09a1bba4 dmaengine: pxa_dma: fix residue corner case
A very tiny temporal window exists in the residue calculation where :
 - upon entering residue calculation, the transfer is ongoing
 - when reading the current transfer pointer, it just changed to
   the "finisher/linker" descriptor

In this case, the residue returned is the whole transfer length instead
of 0. Fix it.

This appears almost in one extreme case, where the driver is used
by older clients which inquire for residue in interrupt context, such
as the smsc91x ethernet driver, in a tight loop :
  interrupt_handler()
    dmaengine_submit()
    do {
      dmaengine_tx_status()
    } while (residue > 0 || status != DMA_ERROR)

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-10-01 07:44:31 +05:30
Robert Jarzmik
e87ffbdf06 dmaengine: pxa_dma: fix the no-requestor case
A very small number of devices don't use the flow control offered by
requestor lines. In these specific cases, the pxa dma driver should be
aware of that and not try to use a requestor line.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-10-01 07:44:25 +05:30
Axel Lin
aa3ee5f569 dmaengine: zxdma: Fix off-by-one for testing valid pchan request
The valid pchan range is 0 ~ d->dma_requests - 1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-10-01 07:42:27 +05:30
Ludovic Desroches
0be2136b67 dmaengine: at_xdmac: clean used descriptor
When putting back a descriptor to the free descs list, some fields are
not set to 0, it can cause bugs if someone uses it without having this
in mind.
Descriptor are not put back one by one so it is easier to clean
descriptors when we request them.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable@vger.kernel.org #4.2
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-10-01 07:29:49 +05:30
Maxime Ripard
a1cf09031e dmaengine: at_xdmac: change block increment addressing mode
The addressing mode we were using was not only incrementing the address at
each microblock, but also at each data boundary, which was severely slowing
the transfer, without any benefit since we were not using the data stride.

Switch to the micro block increment only in order to get back to an
acceptable performance level.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Fixes: 6007ccb57744 ("dmaengine: xdmac: Add interleaved transfer support")
Cc: stable@vger.kernel.org #4.2
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-10-01 07:29:40 +05:30
Linus Torvalds
dd36d7393d Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
 "This fixes:

   - module autoload for 3 OF platform drivers
   - poweroff behaviour on bcm2835 watchdog device
   - I2C dependencies for iTCO_wdt.c"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: iTCO: Fix dependencies on I2C
  watchdog: bcm2835: Fix poweroff behaviour
  watchdog: Fix module autoload for OF platform driver
2015-09-30 13:13:55 -04:00
Linus Torvalds
d4e842be2b Fix module autoload for various drivers
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Merge tag 'hwmon-for-linus-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmin fixes from Guenter Roeck:
 "Fix module autoload for various drivers"

* tag 'hwmon-for-linus-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (pwm-fan) Fix module autoload for OF platform driver
  hwmon: (gpio-fan) Fix module autoload for OF platform driver
  hwmon: (abx500) Fix module autoload for OF platform driver
2015-09-30 13:11:42 -04:00
Christian König
3e4e380564 drm/amdgpu: only print meaningful VM faults
Port of radeon commit 9b7d786b900baf7c0d1a7e211570aef1cb27590f.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-30 12:47:14 -04:00
Alex Deucher
2392eec65c drm/amdgpu/cgs: remove import_gpu_mem
It was added for completeness, but we don't have any users
for it yet.  Daniel noted that it may be racy. Remove it.

Change-Id: I5f5546f8911a4f294008a62dc86a73f3face38d1
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-30 12:44:16 -04:00
Egbert Eich
b94be97253 drm/i915: Call non-locking version of drm_kms_helper_poll_enable(), v2
drm_kms_helper_poll_enable() is called from a context in
intel_hpd_irq_storm_disable() where the the mode_config mutex is
already locked.
When this function was converted to lock this mutex in
commit 8c4ccc4ab6f6 ("drm/probe-helper: Grab mode_config.mutex
in poll_init/enable") a deadlock occurred.
Call the newly implemented non-locking version of this function.

Changes since v1:
- use function name suffix '_locked' for the function that
  is to be called from a locked context.

Signed-off-by: Egbert Eich <eich@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-09-30 16:32:27 +03:00
Egbert Eich
4ad640e99e drm: Add a non-locking version of drm_kms_helper_poll_enable(), v2
drm_kms_helper_poll_enable() was converted to lock the mode_config
mutex in commit 8c4ccc4ab6f64e859d4ff8d7c02c2ed2e956e07f
("drm/probe-helper: Grab mode_config.mutex in poll_init/enable").

This disregarded the cases where this function is called from a context
where this mutex is already locked.

Add a non-locking version as well.

Changes since v1:
- use function name suffix '_locked' for the function that
  is to be called from a locked context.

Signed-off-by: Egbert Eich <eich@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-09-30 16:04:08 +03:00
Chaotian Jing
031277d4d3 mmc: core: fix dead loop of mmc_retune
When get a CRC error, start the mmc_retune, it will issue CMD19/CMD21
to do tune, assume there were 10 clock phase need to try, phase 0 to
phase 6 is ok, phase 7 to phase 9 is NG, we try it from 0 to 9, so
the last CMD19/CMD21 will get CRC error, host->need_retune was set and
cause mmc_retune was called, then dead loop of mmc_retune

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: bd11e8bd03ca ("mmc: core: Flag re-tuning is needed on CRC errors")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-09-30 14:54:22 +02:00
Thomas Hellstrom
575f9c8604 drm/vmwgfx: Fix a command submission hang regression
When we're out of command buffer space, we turn on the command buffer
processed irq without re-checking for finished command buffers afterwards.
This might lead to a missed irq and the command submission process waiting
forever for space.

Fix this by rerunning the command buffer submission handler whenever we're
out of command space. This ensures both that we don't needlessly turn on
the irq, and that if we decide to turn on the irq, we recheck for finished
command buffers before going to sleep.

Reported-and-tested-by: Bryan Li <ldexin@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-09-30 05:50:37 -07:00
Andy Shevchenko
6bea0f6d1c dmaengine: dw: properly read DWC_PARAMS register
In case we have less than maximum allowed channels (8) and autoconfiguration is
enabled the DWC_PARAMS read is wrong because it uses different arithmetic to
what is needed for channel priority setup.

Re-do the caclulations properly. This now works on AVR32 board well.

Fixes: fed2574b3c9f (dw_dmac: introduce software emulation of LLP transfers)
Cc: yitian.bu@tangramtek.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-09-30 13:42:02 +05:30
Gustavo Padovan
10d97d5869 drm/exynos: remove unused mode_fixup() code
CRTC's mode_fixup() isn't used anymore in exynos, remove it.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30 17:05:11 +09:00
Gustavo Padovan
208d7ee3c8 drm/exynos: remove decon_mode_fixup()
The only thing mode_fixup was doing was set the adjusted_mode->vrefresh to
60, but it already has the value of 60 when the decon_mode_fixup() is
called. That means this call is actually pointless and can be removed.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30 17:05:09 +09:00