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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fixes for two recent regressions that may lead to degraded performance
(operating performance points framework, intel_pstate).
Specifics:
- Fix a recent regression in the intel_pstate driver that may lead to
degraded performance on some systems due to missing turbo state
entry in the table returned by the ACPI _PSS object (Srinivas
Pandruvada).
- Fix a recent regression in the OPP (operating performance points)
framework that may lead to degraded performance on some systems
where the OPP table is created too early (Viresh Kumar)"
* tag 'pm-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / OPP: Add 'UNKNOWN' status for shared_opp in struct opp_table
cpufreq: intel_pstate: Adjust _PSS[0] freqeuency if needed
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID subsystem fixes from Jiri Kosina:
- kernel panic fix in hid-elo from Oliver Neukum
- Surface Pro 3 device quirk from Benjamin Tissoires
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: multitouch: Add MT_QUIRK_NOT_SEEN_MEANS_UP to Surface Pro 3
HID: elo: kill not flush the work
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* pm-opp:
PM / OPP: Add 'UNKNOWN' status for shared_opp in struct opp_table
* pm-cpufreq-fixes:
cpufreq: intel_pstate: Adjust _PSS[0] freqeuency if needed
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The main things are getting kgdb up and running with upstream GDB
after a protocol change was reverted and fixing our spin_unlock_wait
and spin_is_locked implementations after doing some similar work with
PeterZ on the qspinlock code last week. Whilst we haven't seen any
failures in practice, it's still worth getting this fixed.
Summary:
- Plug the ongoing spin_unlock_wait/spin_is_locked mess
- KGDB protocol fix to sync w/ GDB
- Fix MIDR-based PMU probing for old 32-bit SMP systems
(OMAP4/Realview)
- Minor tweaks to the fault handling path"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kgdb: Match pstate size with gdbserver protocol
arm64: spinlock: Ensure forward-progress in spin_unlock_wait
arm64: spinlock: fix spin_unlock_wait for LSE atomics
arm64: spinlock: order spin_{is_locked,unlock_wait} against local locks
arm: pmu: Fix non-devicetree probing
arm64: mm: mark fault_info table const
arm64: fix dump_instr when PAN and UAO are in use
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Three patches queued up:
- Fix for ARM-SMMU to add a missing iommu-ops callback which is
required by common iommu code
- Fix for the rockchip iommu where the wrong MMUs got the commands
- A regression fix for the Intel VT-d driver. The regression only
showed up on X58 chipsets with more than one iommu. These chipsets
seem to require that QI is enabled on all IOMMUs before it can be
used"
* tag 'iommu-fixes-v4.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Enable QI on all IOMMUs before setting root entry
iommu/rockchip: Fix zap cache during device attach
iommu/arm-smmu: Wire up map_sg for arm-smmu-v3
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
- Fix brightness setting upon hardware blinking enabled
- Handle suspend/resume in heartbeat trigger
* tag 'for-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: handle suspend/resume in heartbeat trigger
leds: core: Fix brightness setting upon hardware blinking enabled
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This seems to be required on some X58 chipsets on systems
with more than one IOMMU. QI does not work until it is
enabled on all IOMMUs in the system.
Reported-by: Dheeraj CVR <cvr.dheeraj@gmail.com>
Tested-by: Dheeraj CVR <cvr.dheeraj@gmail.com>
Fixes: 5f0a7f7614a9 ('iommu/vt-d: Make root entry visible for hardware right after allocation')
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"These changes fix a bit of fallout from the introduction of the atomic
API"
* tag 'pwm/for-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: atmel-hlcdc: Fix default PWM polarity
pwm: sysfs: Get return value from pwm_apply_state()
pwm: Improve args checking in pwm_apply_state()
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dev_pm_opp_get_sharing_cpus() returns 0 even in the case when the OPP
core doesn't know whether or not the table is shared. It works on the
majority of platforms, where the OPP table is never created before
invoking the function and then -ENODEV is returned by it.
But in the case of one platform (Jetson TK1) at least, the situation
is a bit different. The OPP table has been created (somehow) before
dev_pm_opp_get_sharing_cpus() is called and it returns 0. Its caller
treats that as 'the CPUs don't share OPPs' and that leads to degraded
performance.
Fix this by converting 'shared_opp' in struct opp_table to an enum
and making dev_pm_opp_get_sharing_cpus() return -EINVAL in case when
the value of that field is "access unknown", so that the caller can
handle it accordingly (cpufreq-dt considers that as 'all CPUs share
the table', for example).
Fixes: 6f707daa3833 "PM / OPP: Add dev_pm_opp_get_sharing_cpus()"
Reported-and-tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
[ rjw : Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"The main drm fixes pull for rc4: one regression fix in the connector
refcounting, and an MST fix.
There rest is nouveau, amdkfd, i915, etnaviv, and radeon/amdgpu fixes,
mostly regression or black screen fixes"
* tag 'drm-fixes-for-v4.7-rc4' of git://people.freedesktop.org/~airlied/linux: (23 commits)
drm/etnaviv: initialize iommu domain page size
drm/nouveau/iccsense: fix memory leak
drm/nouveau/Revert "drm/nouveau/device/pci: set as non-CPU-coherent on ARM64"
drm/amd/powerplay: select samu dpm 0 as boot level on polaris.
drm/amd/powerplay: update powerplay table parsing
drm/dp/mst: Always clear proposed vcpi table for port.
drm/crtc: only store the necessary data for set_config rollback
drm/crtc: fix connector reference counting mismatch in drm_crtc_helper_set_config
drm/i915/ilk: Don't disable SSC source if it's in use
Revert "drm/amdgpu: add pipeline sync while vmid switch in same ctx"
drm/amdgpu/gfx7: fix broken condition check
drm/radeon: fix asic initialization for virtualized environments
amdgpu: fix asic initialization for virtualized environments (v2)
drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled
drm/radeon: do not hard reset GPU while freezing on r600/r700 family
drm/i915: Extract physical display dimensions from VBT
drm/i915: Check VBT for port presence in addition to the strap on VLV/CHV
drm/i915: Only ignore eDP ports that are connected
drm/i915: Silence "unexpected child device config size" for VBT on 845g
drm/i915: Fix NULL pointer deference when out of PLLs in IVB
...
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
"Minor kconfig dependency cleanup, trivial mic mute hotkey for ideapad,
and a needed improvement in adaptive keyboard detection for thinkpad:
platform/x86:
- Drop duplicate dependencies on X86
thinkpad_acpi:
- Add support for HKEY version 0x200
ideapad_laptop:
- Add an event for mic mute hotkey"
* tag 'platform-drivers-x86-v4.7-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
platform/x86: Drop duplicate dependencies on X86
thinkpad_acpi: Add support for HKEY version 0x200
ideapad_laptop: Add an event for mic mute hotkey
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Pull UBI fixes from Richard Weinberger:
"This contains fixes for a regression introduced in rc1"
* tag 'upstream-4.7-rc4' of git://git.infradead.org/linux-ubifs:
ubi: Don't bypass ->getattr()
Revert "mtd: switch open_mtd_by_chdev() to use of vfs_stat()"
Revert "mtd: switch ubi_open_volume_path() to vfs_stat()"
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Pull ipmi bugfix from Corey Minyard:
"Fix a fairly significant ipmi list bug
This bug could cause lists to be corrupted"
* tag 'for-linus-4.7-2' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()
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For the third time in three years, I'm changing my e-mail at Samsung.
That's bad, as it may stop communications with me for a while. So, this
time, I'll also add the mchehab@kernel.org e-mail, as it remains stable
since ever.
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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into drm-fixes
radeon and amdgpu fixes for 4.7. Highlights:
- fixes for GPU VM passthrough
- fixes for powerplay on Polaris GPUs
- pll fixes for rs780/880
* 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/powerplay: select samu dpm 0 as boot level on polaris.
drm/amd/powerplay: update powerplay table parsing
Revert "drm/amdgpu: add pipeline sync while vmid switch in same ctx"
drm/amdgpu/gfx7: fix broken condition check
drm/radeon: fix asic initialization for virtualized environments
amdgpu: fix asic initialization for virtualized environments (v2)
drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled
drm/radeon: do not hard reset GPU while freezing on r600/r700 family
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into drm-fixes
just a single fix for a regression introduced by IOMMU API changes in
v4.7.
* 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux:
drm/etnaviv: initialize iommu domain page size
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rk_iommu_command() takes a struct rk_iommu and iterates over the slave
MMUs, so this is doubly wrong in that we're passing in the wrong pointer
and talking to MMUs that we shouldn't be.
Fixes: cd6438c5f844 ("iommu/rockchip: Reconstruct to support multi slaves")
Cc: stable@vger.kernel.org
Signed-off-by: John Keeping <john@metanate.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Since d16e0faab91 (iommu: Allow selecting page sizes per domain) the
iommu core demands the page size to be set per domain, otherwise any
mapping attempts will be dropped. Make sure to set a valid page size
for the etnaviv iommu.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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There is a problem in the non-devicetree PMU probing where some
probe functions may get the number of supported events through
smp_call_function_any() using the arm_pmu supported_cpus mask.
But at the time the probe function is called, the supported_cpus
mask is empty so the call fails. This patch makes sure the mask
is set before calling the init function rather than after.
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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* 'linux-4.7' of git://github.com/skeggsb/linux:
drm/nouveau/iccsense: fix memory leak
drm/nouveau/Revert "drm/nouveau/device/pci: set as non-CPU-coherent on ARM64"
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This reverts commit 1733a2ad36741b1812cf8b3f3037c28d0af53f50.
There is apparently something amiss with the way the TTM code handles
DMA buffers, which the above commit was attempting to work around for
arm64 systems with non-coherent PCI. Unfortunately, this completely
breaks systems *with* coherent PCI (which appear to be the majority).
Booting a plain arm64 defconfig + CONFIG_DRM + CONFIG_DRM_NOUVEAU on
a machine with a PCI GPU having coherent dma_map_ops (in this case a
7600GT card plugged into an ARM Juno board) results in a fatal crash:
[ 2.803438] nouveau 0000:06:00.0: DRM: allocated 1024x768 fb: 0x9000, bo ffffffc976141c00
[ 2.897662] Unable to handle kernel NULL pointer dereference at virtual address 000001ac
[ 2.897666] pgd = ffffff8008e00000
[ 2.897675] [000001ac] *pgd=00000009ffffe003, *pud=00000009ffffe003, *pmd=0000000000000000
[ 2.897680] Internal error: Oops: 96000045 [#1] PREEMPT SMP
[ 2.897685] Modules linked in:
[ 2.897692] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc5+ #543
[ 2.897694] Hardware name: ARM Juno development board (r1) (DT)
[ 2.897699] task: ffffffc9768a0000 ti: ffffffc9768a8000 task.ti: ffffffc9768a8000
[ 2.897711] PC is at __memcpy+0x7c/0x180
[ 2.897719] LR is at OUT_RINGp+0x34/0x70
[ 2.897724] pc : [<ffffff80083465fc>] lr : [<ffffff800854248c>] pstate: 80000045
[ 2.897726] sp : ffffffc9768ab360
[ 2.897732] x29: ffffffc9768ab360 x28: 0000000000000001
[ 2.897738] x27: ffffffc97624c000 x26: 0000000000000000
[ 2.897744] x25: 0000000000000080 x24: 0000000000006c00
[ 2.897749] x23: 0000000000000005 x22: ffffffc97624c010
[ 2.897755] x21: 0000000000000004 x20: 0000000000000004
[ 2.897761] x19: ffffffc9763da000 x18: ffffffc976b2491c
[ 2.897766] x17: 0000000000000007 x16: 0000000000000006
[ 2.897771] x15: 0000000000000001 x14: 0000000000000001
[ 2.897777] x13: 0000000000e31b70 x12: ffffffc9768a0080
[ 2.897783] x11: 0000000000000000 x10: fffffffffffffb00
[ 2.897788] x9 : 0000000000000000 x8 : 0000000000000000
[ 2.897793] x7 : 0000000000000000 x6 : 00000000000001ac
[ 2.897799] x5 : 00000000ffffffff x4 : 0000000000000000
[ 2.897804] x3 : 0000000000000010 x2 : 0000000000000010
[ 2.897810] x1 : ffffffc97624c010 x0 : 00000000000001ac
...
[ 2.898494] Call trace:
[ 2.898499] Exception stack(0xffffffc9768ab1a0 to 0xffffffc9768ab2c0)
[ 2.898506] b1a0: ffffffc9763da000 0000000000000004 ffffffc9768ab360 ffffff80083465fc
[ 2.898513] b1c0: ffffffc976801e00 ffffffc9762b8000 ffffffc9768ab1f0 ffffff80080ec158
[ 2.898520] b1e0: ffffffc9768ab230 ffffff8008496d04 ffffffc975ce6d80 ffffffc9768ab36e
[ 2.898527] b200: ffffffc9768ab36f ffffffc9768ab29d ffffffc9768ab29e ffffffc9768a0000
[ 2.898533] b220: ffffffc9768ab250 ffffff80080e70c0 ffffffc9768ab270 ffffff8008496e44
[ 2.898540] b240: 00000000000001ac ffffffc97624c010 0000000000000010 0000000000000010
[ 2.898546] b260: 0000000000000000 00000000ffffffff 00000000000001ac 0000000000000000
[ 2.898552] b280: 0000000000000000 0000000000000000 fffffffffffffb00 0000000000000000
[ 2.898558] b2a0: ffffffc9768a0080 0000000000e31b70 0000000000000001 0000000000000001
[ 2.898566] [<ffffff80083465fc>] __memcpy+0x7c/0x180
[ 2.898574] [<ffffff800853e164>] nv04_fbcon_imageblit+0x1d4/0x2e8
[ 2.898582] [<ffffff800853d6d0>] nouveau_fbcon_imageblit+0xd8/0xe0
[ 2.898591] [<ffffff80083c4db4>] soft_cursor+0x154/0x1d8
[ 2.898598] [<ffffff80083c47b4>] bit_cursor+0x4fc/0x538
[ 2.898605] [<ffffff80083c0cfc>] fbcon_cursor+0x134/0x1a8
[ 2.898613] [<ffffff800841c280>] hide_cursor+0x38/0xa0
[ 2.898620] [<ffffff800841d420>] redraw_screen+0x120/0x228
[ 2.898628] [<ffffff80083bf268>] fbcon_prepare_logo+0x370/0x3f8
[ 2.898635] [<ffffff80083bf640>] fbcon_init+0x350/0x560
[ 2.898641] [<ffffff800841c634>] visual_init+0xac/0x108
[ 2.898648] [<ffffff800841df14>] do_bind_con_driver+0x1c4/0x3a8
[ 2.898655] [<ffffff800841e4f4>] do_take_over_console+0x174/0x1e8
[ 2.898662] [<ffffff80083bf8c4>] do_fbcon_takeover+0x74/0x100
[ 2.898669] [<ffffff80083c3e44>] fbcon_event_notify+0x8cc/0x920
[ 2.898680] [<ffffff80080d7e38>] notifier_call_chain+0x50/0x90
[ 2.898685] [<ffffff80080d8214>] __blocking_notifier_call_chain+0x4c/0x90
[ 2.898691] [<ffffff80080d826c>] blocking_notifier_call_chain+0x14/0x20
[ 2.898696] [<ffffff80083c5e1c>] fb_notifier_call_chain+0x1c/0x28
[ 2.898703] [<ffffff80083c81ac>] register_framebuffer+0x1cc/0x2e0
[ 2.898712] [<ffffff800845da80>] drm_fb_helper_initial_config+0x288/0x3e8
[ 2.898719] [<ffffff800853da20>] nouveau_fbcon_init+0xe0/0x118
[ 2.898727] [<ffffff800852d2f8>] nouveau_drm_load+0x268/0x890
[ 2.898734] [<ffffff8008466e24>] drm_dev_register+0xbc/0xc8
[ 2.898740] [<ffffff8008468a88>] drm_get_pci_dev+0xa0/0x180
[ 2.898747] [<ffffff800852cb28>] nouveau_drm_probe+0x1a0/0x1e0
[ 2.898755] [<ffffff80083a32e0>] pci_device_probe+0x98/0x110
[ 2.898763] [<ffffff800858e434>] driver_probe_device+0x204/0x2b0
[ 2.898770] [<ffffff800858e58c>] __driver_attach+0xac/0xb0
[ 2.898777] [<ffffff800858c3e0>] bus_for_each_dev+0x60/0xa0
[ 2.898783] [<ffffff800858dbc0>] driver_attach+0x20/0x28
[ 2.898789] [<ffffff800858d7b0>] bus_add_driver+0x1d0/0x238
[ 2.898796] [<ffffff800858ed50>] driver_register+0x60/0xf8
[ 2.898802] [<ffffff80083a20dc>] __pci_register_driver+0x3c/0x48
[ 2.898809] [<ffffff8008468eb4>] drm_pci_init+0xf4/0x120
[ 2.898818] [<ffffff8008c56fc0>] nouveau_drm_init+0x21c/0x230
[ 2.898825] [<ffffff80080829d4>] do_one_initcall+0x8c/0x190
[ 2.898832] [<ffffff8008c31af4>] kernel_init_freeable+0x14c/0x1f0
[ 2.898839] [<ffffff80088a0c20>] kernel_init+0x10/0x100
[ 2.898845] [<ffffff8008085e10>] ret_from_fork+0x10/0x40
[ 2.898853] Code: a88120c7 a8c12027 a88120c7 a8c12027 (a88120c7)
[ 2.898871] ---[ end trace d5713dcad023ee04 ]---
[ 2.898888] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
In a toss-up between the GPU seeing stale data artefacts on some systems
vs. catastrophic kernel crashes on other systems, the latter would seem
to take precedence, so revert this change until the real underlying
problem can be fixed.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
[acourbot@nvidia.com: port to Nouveau tree, remove bits in lib/]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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to handle pptable format change on Polaris boards
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Not clearing mst manager's proposed vcpis table for destroyed connectors when the manager is stopped leaves it pointing to unrefernced memory, this causes pagefault when the manager is restarted when plugging back a branch.
Fixes: 91a25e463130 ("drm/dp/mst: deallocate payload on port destruction")
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Lyude <cpaul@redhat.com>
Cc: stable@vger.kernel.org
Cc: Mykola Lysenko <Mykola.Lysenko@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
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drm_crtc_helper_set_config only potentially touches connector->encoder
and encoder->crtc, so we only have to store those for all connectors
and encoders, respectively.
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm_crtc_helper_set_config
Since commit 0955c1250e96 ("drm/crtc: take references to connectors used
in a modeset. (v2)"), the reference counts of all connectors in the
drm_mode_set given to drm_crtc_helper_set_config are incremented, and then
the reference counts of all connectors are decremented on success, but in a
temporary copy of the connector structure. This leads to the following
error after the first modeset on imx-drm:
Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = ad8c4000
[00000004] *pgd=3d9c5831, *pte=00000000, *ppte=00000000
Internal error: Oops: 817 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 190 Comm: kmsfb-manage Not tainted 4.7.0-rc1+ #657
Hardware name: Freescale i.MX6 Quad/DualLit: [<80506098>] lr : [<80252e94>] psr: 200c0013
sp : adca7ca8 ip : adca7b90 fp : adca7cd4
r10: 00000000 r9 : 00000100 r8 : 00000200
r7 : af3c9800 r6 : aded7848 r5 : aded7800 r4 : 00000000
r3 : af3ca058 r2 : 00000200 r1 : af3ca058 r0 : 00000000
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 3d8c404a DAC: 00000051
Process kmsfb-manage (pid: 190, stack limit = 0xadca6210)
Stack: (0xadca7ca8 to 0xadca8000)
7ca0: 805190e0 aded7800 aded7820 80501a88 8155a290 af3c9c6c
7cc0: adca7ddc 0000000f adca7cec adca7cd8 80519104 80506044 805190e0 aded7800
7ce0: adca7d04 adca7cf0 80501ac0 805190ec aded7820 aded7814 adca7d24 adca7d08
7d00: 804fdb80 80501a94 aded7800 af3ca010 aded7afc af3c9c60 adca7d94 adca7d28
7d20: 804e3518 804fdb20 00000000 af3c9b1c adca7d50 81506f44 00000000 8093c500
7d40: af3c9c6c ae4f2ca8 ae4f2c18 00000000 00000000 ae637f00 00000000 aded7800
7d60: 00000001 af3c9800 af23c300 ae77fcc0 ae4f2c18 00000001 af3c9800 8155a290
7d80: af1af700 adca6000 adca7db4 adca7d98 804fea6c 804e2de4 adca7e50 adb3d940
7da0: 00000001 af3c9800 adca7e24 adca7db8 8050440c 804fea0c ae77fcc0 00000003
7dc0: adca7e24 adb3d940 af1af700 ae77fcc0 ae77fccc ae4f2c18 8083d44c ae77fcc0
7de0: ae4002 80d03040 adca7e64 adca7e40 adca7e50 80503f08
7e40: 7ebd5630 adca7e50 00000068 c06864a2 7ebd5be8 00000000 00000001 00000018
7e60: 00000026 00000000 00000000 00000000 00000001 000115bc 05010500 05a0059f
7e80: 03200000 03360321 00000337 0000003c 00000000 00000040 30383231 30303878
7ea0: 00000000 00000000 00000000 00000000 00000000 00000000 80173058 80172e30
7ec0: 80d77d32 00004000 adf7d900 00000003 00000000 7ebd5630 af342bb0 adfe3b80
7ee0: 80272f50 00000003 adca6000 00000000 adca7f7c adca7f00 802725ec 804f52cc
7f00: 802809cc 80178450 00000000 00000000 80280880 80145904 adb3d8c0 adf7d990
7f20: ffffffff 00000003 00004000 01614c10 c06864a2 00000003 adca6000 00000000
7f40: adca7f6c adca7f50 80280b04 8028088c 000115bc adfe3b81 7ebd5630 adfe3b80
7f60: c06864a2 00000003 adca6000 00000000 adca7fa4 adca7f80 80272f50 80272548
7f80: 000115bc 00017050 00000001 01614c10 00000036 801089e4 00000000 adca7fa8
7fa0: 80108840 80272f18 00017050 00000001 00000003 c06864a2 7ebd5630 000115bc
7fc0: 00017050 00000001 01614c10 00000036 00000003 00000000 00000026 00000018
7fe0: 00016f38 7ebd562c 0000b5e9 76ef31e6 400c0030 00000003 ff5f37db bfe7dd4d
Backtrace:
[<80506038>] (drm_connector_cleanup) from [<80519104>] (dw_hdmi_connector_destroy+0x24/0x28)
r10:0000000f r9:adca7ddc r8:af3c9c6c r7:8155a290 r6:80501a88 r5:aded7820
r4:aded7800 r3:805190e0
[<805190e0>] (dw_hdmi_connector_destroy) from [<80501ac0>] (drm_connector_free+0x38/0x3c)
r4:aded7800 nreference) from [<804e3518>] (drm_crtc_helper_set_config+0x740/0xbf4)
r6:af3c9c60 r5:aded7afc r4:af3ca010 r3:aded7800
[<804e2dd8>] (drm_crtc_helper_set_config) from [<804fea6c>] (drm_mode_set_config_internal+0x6c/0xf4)
r10:adca6000 r9:af1af700 r8:8155a290 r7:af3c9800 r6:00000001 r5:ae4f2c18
r4:ae77fcc0
[<804fea00>] (drm_mode_set_config_internal) from [<8050440c>] (drm_mode_setcrtc+0x504/0x57c)
r7:af3c9800 r6:00000001 r5:adb3d940 r4:adca7e50
[<80503f08>] (drm_mode_setcrtc) from [<804f5404>] (drm_ioctl+0x144/0x4dc)
r10:ada2e000 r9:000000a2 r8:af3c9800 r7:8155a290 r6:809320b4 r5:00000051
r4:adca7e50
[<804f52c0>] (drm_ioctl) from [<802725ec>] (do_vfs_ioctl+0xb0/0x9d0)
r10:00000000 r9:adca6000 r8:00000003 r7:80272f50 r6:adfe3b80 r5:af342bb0
r4:7ebd5630
[<8027253c>] (do_vfs_ioctl) from [<80272f50>] (SyS_ioctl+0x44/0x6c)
r10:00000000 r9:adca6000 r8:00000003 r7:c06864a2 r6:adfe3b80 r5:7ebd5630
r4:adfe3b81
[<80272f0c>] (SyS_ioctl) from [<80108840>] (ret_fast_syscall+0x0/0x1c)
r8:801089e4 r7:00000036 r6:01614c10 r5:00000001 r4:00017050 r3:000115bc
Code: 0a00000c e5932004 e1a01003 e1a0a004 (e5842004)
---[ end trace 9a7257572ccacb16 ]---
Only the reference count of connectors that weren't previously bound to
an encoder should be incremented after a call to drm_crtc_helper_set_config.
And only the reference count of connectors that were previously bound to
an encoder and are unbound afterwards should ever be decremented.
The reference counts of the temporary copies in the save_connectors
should not be touched at all.
This patch fixes the above error by only incrementing the reference count
of those connectors in the set that are initially not bound to any encoder,
and also by restoring the reference count of only those connectors in the
set in the failure case.
"Note that this can only be hit when fbdev emulation is disabled, since
then the refcount drops from 1 to 0 and we call the connector destroy
functions on the backup copy, which eventually results in tears. With
fbdev emulation the refcount only goes down from 2 to 1 ever. And since we
unconditionally increment the refcount on the real object, the refcount of
that will slowly increase. The backup connector's refcount doesn't matter,
since we kfree() that either way in the end of
drm_crtc_helper_set_config()."
Fixes: 0955c1250e96 ("drm/crtc: take references to connectors used in a modeset. (v2)")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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|
git://anongit.freedesktop.org/drm-intel into drm-fixes
"Pretty much all regression fixes, or black screens."
* tag 'drm-intel-fixes-2016-06-14' of git://anongit.freedesktop.org/drm-intel:
drm/i915/ilk: Don't disable SSC source if it's in use
drm/i915: Extract physical display dimensions from VBT
drm/i915: Check VBT for port presence in addition to the strap on VLV/CHV
drm/i915: Only ignore eDP ports that are connected
drm/i915: Silence "unexpected child device config size" for VBT on 845g
drm/i915: Fix NULL pointer deference when out of PLLs in IVB
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|
The maximum turbo P-State used by the intel_pstate driver may be
limited by ACPI _PSS table entry 0. After commit 9522a2ff9cde
(cpufreq: intel_pstate: Enforce _PPC limits), the maximum performance
on servers will be capped by the _PSS table entry 0 by default.
Even though that is formally correct, it may lead to preformance
regressions in some cases. Namely, if the _PSS table entry 0 is
not the maximum turbo P-State, performance measured after commit
9522a2ff9cde will not match the performance measured before that
commit on the same system.
For this reason, modify the code to always use the maximum turbo
frequency as the one that corresponds to _PSS table entry 0 if turbo
is enabled in the BIOS. This way, the performance levels from
before commit 9522a2ff9cde will be restored on the affected systems.
Fixes: 9522a2ff9cde (cpufreq: intel_pstate: Enforce _PPC limits)
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw : Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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|
Thanks to Ville Syrjälä for pointing me towards the cause of this issue.
Unfortunately one of the sideaffects of having the refclk for a DPLL set
to SSC is that as long as it's set to SSC, the GPU will prevent us from
powering down any of the pipes or transcoders using it. A couple of
BIOSes enable SSC in both PCH_DREF_CONTROL and in the DPLL
configurations. This causes issues on the first modeset, since we don't
expect SSC to be left on and as a result, can't successfully power down
the pipes or the transcoders using it. Here's an example from this Dell
OptiPlex 990:
[drm:intel_modeset_init] SSC enabled by BIOS, overriding VBT which says disabled
[drm:intel_modeset_init] 2 display pipes available.
[drm:intel_update_cdclk] Current CD clock rate: 400000 kHz
[drm:intel_update_max_cdclk] Max CD clock rate: 400000 kHz
[drm:intel_update_max_cdclk] Max dotclock rate: 360000 kHz
vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[drm:intel_crt_reset] crt adpa set to 0xf40000
[drm:intel_dp_init_connector] Adding DP connector on port C
[drm:intel_dp_aux_init] registering DPDDC-C bus for card0-DP-1
[drm:ironlake_init_pch_refclk] has_panel 0 has_lvds 0 has_ck505 0
[drm:ironlake_init_pch_refclk] Disabling SSC entirely
… later we try committing the first modeset …
[drm:intel_dump_pipe_config] [CRTC:26][modeset] config ffff88041b02e800 for pipe A
[drm:intel_dump_pipe_config] cpu_transcoder: A
…
[drm:intel_dump_pipe_config] dpll_hw_state: dpll: 0xc4016001, dpll_md: 0x0, fp0: 0x20e08, fp1: 0x30d07
[drm:intel_dump_pipe_config] planes on this crtc
[drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 0.0 idx: 0 enabled
[drm:intel_dump_pipe_config] FB:42, fb = 800x600 format = 0x34325258
[drm:intel_dump_pipe_config] scaler:0 src (0, 0) 800x600 dst (0, 0) 800x600
[drm:intel_dump_pipe_config] CURSOR PLANE:25 plane: 0.1 idx: 1 disabled, scaler_id = 0
[drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 0.1 idx: 2 disabled, scaler_id = 0
[drm:intel_get_shared_dpll] CRTC:26 allocated PCH DPLL A
[drm:intel_get_shared_dpll] using PCH DPLL A for pipe A
[drm:ilk_audio_codec_disable] Disable audio codec on port C, pipe A
[drm:intel_disable_pipe] disabling pipe A
------------[ cut here ]------------
WARNING: CPU: 1 PID: 130 at drivers/gpu/drm/i915/intel_display.c:1146 intel_disable_pipe+0x297/0x2d0 [i915]
pipe_off wait timed out
…
---[ end trace 94fc8aa03ae139e8 ]---
[drm:intel_dp_link_down]
[drm:ironlake_crtc_disable [i915]] *ERROR* failed to disable transcoder A
Later modesets succeed since they reset the DPLL's configuration anyway,
but this is enough to get stuck with a big fat warning in dmesg.
A better solution would be to add refcounts for the SSC source, but for
now leaving the source clock on should suffice.
Changes since v4:
- Fix calculation of final for systems with LVDS panels (fixes BUG() on
CI test suite)
Changes since v3:
- Move temp variable into loop
- Move checks for using_ssc_source to after we've figured out has_ck505
- Add using_ssc_source to debug output
Changes since v2:
- Fix debug output for when we disable the CPU source
Changes since v1:
- Leave the SSC source clock on instead of just shutting it off on all
of the DPLL configurations.
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Lyude <cpaul@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465916649-10228-1-git-send-email-cpaul@redhat.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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|
The PWM device exposed by the HLCDC IP is configured with an inverted
polarity by default. Registering the PWM chip with the normal polarity
was not a problem before commit 42e8992c58d4 ("pwm: Add core
infrastructure to allow atomic updates") because the ->set_polarity()
hook was called no matter the current polarity state, but this is no longer
the case.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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|
Directly accessing inode fields bypasses ->getattr()
and can cause problems when the underlying filesystem
does not have the default ->getattr() implementation.
So instead of obtaining the backing inode via d_backing_inode()
use vfs_getattr() and obtain what we need from the kstat struct.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This reverts commit 87f15d4add758fb7fc76655721af94be57a4c17d.
vfs_stat() can only be used on user supplied buffers.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This reverts commit 322ea0bbf3003df17b6253f76e572c37d79a6810.
vfs_stat() can only be used on user supplied buffers.
UBI's kapi.c is the API to the kernel and therefore vfs_stat()
is inappropriate.
This solves the problem that mounting any UBIFS will immediately
fail with -EINVAL.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This reverts commit 2ba272d7bde27e1db2cf1c6cee49b01b7ea08989.
The issue fixed by this patch is specific to compute rings and the
previous patch was enough. Additionally, this patch as been traced
to strange behavior on some CZ systems so we might as well drop it.
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Wrong operator.
Reported-by: David Binderman <linuxdev.baldrick@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
When executing in a PCI passthrough based virtuzliation environment, the
hypervisor will usually attempt to send a PCIe bus reset signal to the
ASIC when the VM reboots. In this scenario, the card is not correctly
initialized, but we still consider it to be posted. Therefore, in a
passthrough based environemnt we should always post the card to guarantee
it is in a good state for driver initialization.
Ported from amdgpu commit:
amdgpu: fix asic initialization for virtualized environments
Cc: Andres Rodriguez <andres.rodriguez@amd.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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When executing in a PCI passthrough based virtuzliation environemnt, the
hypervisor will usually attempt to send a PCIe bus reset signal to the
ASIC when the VM reboots. In this scenario, the card is not correctly
initialized, but we still consider it to be posted. Therefore, in a
passthrough based environemnt we should always post the card to guarantee
it is in a good state for driver initialization.
However, if we are operating in SR-IOV mode it is up to the GIM driver
to manage the asic state, therefore we should not post the card (and
shouldn't be able to do it either).
v2: add missing semi-colon
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andres.rodriguez@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Seems to cause problems for some older hardware. Kudos to Thom Kouwenhoven
for working a lot with the PLLs and figuring this out.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Seems r600/r700 does not like hard reset while freezing for hibernation
(regression due to 274ad65c9d02bdcbee9bae045517864c3521d530 which itself
is a fix for hibernation on some GPU families). Until i can debug further
issue with r600, let just disable this for r600/r700 as they are very
similar family and bug affecting one likely affect the other.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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'regulator/fix/tps51632' into regulator-linus
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Commit 7ea0ed2b5be8 ("ipmi: Make the message handler easier to use for
SMI interfaces") changed handle_new_recv_msgs() to call handle_one_recv_msg()
for a smi_msg while the smi_msg is still connected to waiting_rcv_msgs list.
That could lead to following list corruption problems:
1) low-level function treats smi_msg as not connected to list
handle_one_recv_msg() could end up calling smi_send(), which
assumes the msg is not connected to list.
For example, the following sequence could corrupt list by
doing list_add_tail() for the entry still connected to other list.
handle_new_recv_msgs()
msg = list_entry(waiting_rcv_msgs)
handle_one_recv_msg(msg)
handle_ipmb_get_msg_cmd(msg)
smi_send(msg)
spin_lock(xmit_msgs_lock)
list_add_tail(msg)
spin_unlock(xmit_msgs_lock)
2) race between multiple handle_new_recv_msgs() instances
handle_new_recv_msgs() once releases waiting_rcv_msgs_lock before calling
handle_one_recv_msg() then retakes the lock and list_del() it.
If others call handle_new_recv_msgs() during the window shown below
list_del() will be done twice for the same smi_msg.
handle_new_recv_msgs()
spin_lock(waiting_rcv_msgs_lock)
msg = list_entry(waiting_rcv_msgs)
spin_unlock(waiting_rcv_msgs_lock)
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| handle_one_recv_msg(msg)
|
spin_lock(waiting_rcv_msgs_lock)
list_del(msg)
spin_unlock(waiting_rcv_msgs_lock)
Fixes: 7ea0ed2b5be8 ("ipmi: Make the message handler easier to use for SMI interfaces")
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
[Added a comment to describe why this works.]
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: stable@vger.kernel.org # 3.19
Tested-by: Ye Feng <yefeng.yl@alibaba-inc.com>
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The map_sg callback is missing from arm_smmu_ops, but is required by
iommu.h. Similarly to most other IOMMU drivers, connect it to
default_iommu_map_sg.
Cc: <stable@vger.kernel.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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This patch adds support to list_voltage callback, so that consumers
like mmc core, can get information of supported voltage range.
Without this patch there is no way for mmc core to know this voltage range.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management fixes from Zhang Rui:
- fix an ordering issue in cpu cooling that cooling device is
registered before it's ready (freq_table being populated).
(Lukasz Luba)
- fix a missing comment update (Caesar Wang)
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: add the note for set_trip_temp
thermal: cpu_cooling: fix improper order during initialization
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Pull block layer fixes from Jens Axboe:
"A small collection of fixes for the current series. This contains:
- Two fixes for xen-blkfront, from Bob Liu.
- A bug fix for NVMe, releasing only the specific resources we
requested.
- Fix for a debugfs flags entry for nbd, from Josef.
- Plug fix from Omar, fixing up a case of code being switched between
two functions.
- A missing bio_put() for the new discard callers of
submit_bio_wait(), fixing a regression causing a leak of the bio.
From Shaun.
- Improve dirty limit calculation precision in the writeback code,
fixing a case where setting a limit lower than 1% of memory would
end up being zero. From Tejun"
* 'for-linus' of git://git.kernel.dk/linux-block:
NVMe: Only release requested regions
xen-blkfront: fix resume issues after a migration
xen-blkfront: don't call talk_to_blkback when already connected to blkback
nbd: pass the nbd pointer for flags debugfs
block: missing bio_put following submit_bio_wait
blk-mq: really fix plug list flushing for nomerge queues
writeback: use higher precision calculation in domain_dirty_limits()
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A new bunch of GPIO fixes for v4.7.
This time I am very grateful that Ricardo Ribalda Delgado went in and
fixed my stupid refcounting mistakes in the removal path for GPIO
chips. I had a feeling something was wrong here and so it was. It
exploded on OMAP and it fixes their problem. Now it should be (more)
solid.
The rest i compilation, Kconfig and driver fixes. Some tagged for
stable.
Summary:
- Fix a NULL pointer dereference when we are searching the GPIO
device list but one of the devices have been removed (struct
gpio_chip pointer is NULL).
- Fix unaligned reference counters: we were ending on +3 after all
said and done. It should be 0. Remove an extraneous get_device(),
and call cdev_del() followed by device_del() in gpiochip_remove()
instead and the count goes to zero and calls the release() function
properly.
- Fix a compile warning due to a missing #include in the OF/device
tree portions.
- Select ANON_INODES for GPIOLIB, we're using that for our character
device. Some randconfig tests disclosed the problem.
- Make sure the Zynq driver clock runs also without CONFIG_PM enabled
- Fix an off-by-one error in the 104-DIO-48E driver
- Fix warnings in bcm_kona_gpio_reset()"
* tag 'gpio-v4.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: bcm-kona: fix bcm_kona_gpio_reset() warnings
gpio: select ANON_INODES
gpio: include <linux/io-mapping.h> in gpiolib-of
gpiolib: Fix unaligned used of reference counters
gpiolib: Fix NULL pointer deference
gpio: zynq: initialize clock even without CONFIG_PM
gpio: 104-dio-48e: Fix control port offset computation off-by-one error
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two current fixes:
- one affects Qemu CD ROM emulation, which stopped working after the
updates in SCSI to require VPD pages from all conformant devices.
Fix temporarily by blacklisting Qemu (we can relax later when they
come into compliance).
- The other is a fix to the optimal transfer size. We set up a
minefield for ourselves by being confused about whether the limits
are in bytes or sectors (SCSI optimal is in blocks and the queue
parameter is in bytes).
This tries to fix the problem (wrong setting for queue limits
max_sectors) and make the problem more obvious by introducing a
wrapper function"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
sd: Fix rw_max for devices that report an optimal xfer size
scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- a bigger fix for i801 to finally be able to be loaded on some
machines again
- smaller driver fixes
- documentation update because of a renamed file
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mux: reg: Provide of_match_table
i2c: mux: refer to i2c-mux.txt
i2c: octeon: Avoid printk after too long SMBUS message
i2c: octeon: Missing AAK flag in case of I2C_M_RECV_LEN
i2c: i801: Allow ACPI SystemIO OpRegion to conflict with PCI BAR
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- fix unflatten_dt_nodes when dad parameter is set.
- add vendor prefixes for TechNexion and UniWest
- documentation fix for Marvell BT
- OF IRQ kerneldoc fixes
- restrict CMA alignment adjustments to non dma-coherent
- a couple of warning fixes in reserved-memory code
- DT maintainers updates
* tag 'devicetree-fixes-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
drivers: of: add definition of early_init_dt_alloc_reserved_memory_arch
drivers/of: Fix depth for sub-tree blob in unflatten_dt_nodes()
drivers: of: Fix of_pci.h header guard
dt-bindings: Add vendor prefix for TechNexion
of: add vendor prefix for UniWest
dt: bindings: fix documentation for MARVELL's bt-sd8xxx wireless device
of: add missing const for of_parse_phandle_with_args() in !CONFIG_OF
of: silence warnings due to max() usage
drivers: of: of_reserved_mem: fixup the CMA alignment not to affect dma-coherent
of: irq: fix of_irq_get[_byname]() kernel-doc
MAINTAINERS: DeviceTree maintainer updates
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