Pull IRQ fixes from Ingo Molnar:
"Mostly irqchip driver fixes, but also an irq core crash fix and a
build fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mxs: Add missing set_handle_irq()
irqchip/atmel-aic: Fix wrong bit operation for IRQ priority
irqchip/gic-v3-its: Recompute the number of pages on page size change
base: Export platform_msi_domain_[alloc,free]_irqs
of: MSI: Simplify irqdomain lookup
irqdomain: Allow domain lookup with DOMAIN_BUS_WIRED token
irqchip: Fix dependencies for archs w/o HAS_IOMEM
irqchip/s3c24xx: Mark init_eint as __maybe_unused
genirq: Validate action before dereferencing it in handle_irq_event_percpu()
Pull debugobjects fix from Ingo Molnar:
"Bump up debugobjects pool limit that bigger s390 systems kept running
into"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Allow bigger number of early boot objects
- Use alternate group tracking for no-iommu (Alex Williamson)
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Merge tag 'vfio-v4.5-rc2' of git://github.com/awilliam/linux-vfio
Pull VFIO fix from Alex Williamson:
"Use alternate group tracking for no-iommu"
* tag 'vfio-v4.5-rc2' of git://github.com/awilliam/linux-vfio:
vfio/noiommu: Don't use iommu_present() to track fake groups
Pull i2c fixes from Wolfram Sang:
"Here are two I2C driver regression fixes. piix4 gets a larger
overhaul fixing the latest refactoring and also an older known issue
as well. designware-pci gets a fix for a bad merge conflict
resolution"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: piix4: don't regress on bus names
i2c: designware-pci: use IRQF_COND_SUSPEND flag
i2c: piix4: Fully initialize SB800 before it is registered
i2c: piix4: Fix SB800 locking
Pull ARM fixes from Russell King:
"Just one fix for a -fstack-protector-strong problem from Kees Cook,
and adding the new copy_file_range syscall"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: wire up copy_file_range() syscall
ARM: 8500/1: fix atags_to_fdt with stack-protector-strong
- Wire up copy_file_range() syscall from Chandan Rajendra
- Simplify module TOC handling from Alan Modra
- Remove newly added extra definition of pmd_dirty from Stephen Rothwell
- Allow user space to map rtas_rmo_buf from Vasant Hegde
- Fix PE location code from Gavin Shan
- Remove PPMU_HAS_SSLOT flag for Power8 from Madhavan Srinivasan
- Fixup _HPAGE_CHG_MASK from Aneesh Kumar K.V
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Merge tag 'powerpc-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Wire up copy_file_range() syscall from Chandan Rajendra
- Simplify module TOC handling from Alan Modra
- Remove newly added extra definition of pmd_dirty from Stephen Rothwell
- Allow user space to map rtas_rmo_buf from Vasant Hegde
- Fix PE location code from Gavin Shan
- Remove PPMU_HAS_SSLOT flag for Power8 from Madhavan Srinivasan
- Fixup _HPAGE_CHG_MASK from Aneesh Kumar K.V
* tag 'powerpc-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fixup _HPAGE_CHG_MASK
powerpc/perf: Remove PPMU_HAS_SSLOT flag for Power8
powerpc/eeh: Fix PE location code
powerpc/mm: Allow user space to map rtas_rmo_buf
powerpc: Remove newly added extra definition of pmd_dirty
powerpc: Simplify module TOC handling
powerpc: Wire up copy_file_range() syscall
Pull s390 updates from Martin Schwidefsky:
"An optimization for irq-restore, the SSM instruction is quite a bit
slower than an if-statement and a STOSM.
The copy_file_range system all is added.
Cleanup for PCI and CIO.
And a couple of bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: update measurement characteristics
s390/cio: ensure consistent measurement state
s390/cio: fix measurement characteristics memleak
s390/zcrypt: Fix cryptographic device id in kernel messages
s390/pci: remove iomap sanity checks
s390/pci: set error state for unusable functions
s390/pci: fix bar check
s390/pci: resize iomap
s390/pci: improve ZPCI_* macros
s390/pci: provide ZPCI_ADDR macro
s390/pci: adjust IOMAP_MAX_ENTRIES
s390/numa: move numa_init_late() from device to arch_initcall
s390: remove all usages of PSW_ADDR_INSN
s390: remove all usages of PSW_ADDR_AMODE
s390: wire up copy_file_range syscall
s390: remove superfluous memblock_alloc() return value checks
s390/numa: allocate memory with correct alignment
s390/irqflags: optimize irq restore
s390/mm: use TASK_MAX_SIZE where applicable
Pull btrfs fixes from Chris Mason:
"Dave had a small collection of fixes to the new free space tree code,
one of which was keeping our sysfs files more up to date with feature
bits as different things get enabled (lzo, raid5/6, etc).
I should have kept the sysfs stuff for rc3, since we always manage to
trip over something. This time it was GFP_KERNEL from somewhere that
is NOFS only. Instead of rebasing it out I've put a revert in, and
we'll fix it properly for rc3.
Otherwise, Filipe fixed a btrfs DIO race and Qu Wenruo fixed up a
use-after-free in our tracepoints that Dave Jones reported"
* 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Revert "btrfs: synchronize incompat feature bits with sysfs files"
btrfs: don't use GFP_HIGHMEM for free-space-tree bitmap kzalloc
btrfs: sysfs: check initialization state before updating features
Revert "btrfs: clear PF_NOFREEZE in cleaner_kthread()"
btrfs: async-thread: Fix a use-after-free error for trace
Btrfs: fix race between fsync and lockless direct IO writes
btrfs: add free space tree to the cow-only list
btrfs: add free space tree to lockdep classes
btrfs: tweak free space tree bitmap allocation
btrfs: tests: switch to GFP_KERNEL
btrfs: synchronize incompat feature bits with sysfs files
btrfs: sysfs: introduce helper for syncing bits with sysfs files
btrfs: sysfs: add free-space-tree bit attribute
btrfs: sysfs: fix typo in compat_ro attribute definition
- Fix a recent cpuidle core regression that broke suspend-to-idle
on all systems where cpuidle drivers don't provide ->enter_freeze
callbacks for any states (Sudeep Holla).
- Drop an unnecessary symbol definition from the cpuidle core code
handling coupled CPU cores (Anders Roxell).
- Fix a race condition related to governor initialization and removal
in the cpufreq core (Viresh Kumar).
- Clean up the cpufreq core to use list_is_last() for checking if
the given policy object is the last element of a list instead of
open coding that in a clumsy way (Gautham R Shenoy).
- Fix compiler warnings in the pxa2xx and cpufreq-dt cpufreq drivers
(Arnd Bergmann).
- Fix two locking issues and clean up a comment in the generic power
domains framework (Ulf Hansson, Marek Szyprowski, Moritz Fischer).
- Fix the error code path of one function in the ACPI-based PCI
hotplug framework (ACPIPHP) that forgets to release a lock
acquired previously (Insu Yun).
- Drop the ACPI backlight blacklist entry for Dell Inspiron 5737
that is not necessary any more (Hans de Goede).
- Clean up the top-level PM Kconfig to stop requiring APM emulation
to depend on PM which in fact isn't necessary (Arnd Bergmann).
/
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Merge tag 'pm+acpi-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are: cpuidle fixes (including one fix for a recent regression),
cpufreq fixes (including fixes for two issues introduced during the
4.2 cycle), generic power domains framework fixes (two locking fixes
and one cleanup), one locking fix in the ACPI-based PCI hotplug
framework (ACPIPHP), removal of one ACPI backlight blacklist entry
that isn't necessary any more and a PM Kconfig cleanup.
Specifics:
- Fix a recent cpuidle core regression that broke suspend-to-idle on
all systems where cpuidle drivers don't provide ->enter_freeze
callbacks for any states (Sudeep Holla).
- Drop an unnecessary symbol definition from the cpuidle core code
handling coupled CPU cores (Anders Roxell).
- Fix a race condition related to governor initialization and removal
in the cpufreq core (Viresh Kumar).
- Clean up the cpufreq core to use list_is_last() for checking if the
given policy object is the last element of a list instead of open
coding that in a clumsy way (Gautham R Shenoy).
- Fix compiler warnings in the pxa2xx and cpufreq-dt cpufreq drivers
(Arnd Bergmann).
- Fix two locking issues and clean up a comment in the generic power
domains framework (Ulf Hansson, Marek Szyprowski, Moritz Fischer).
- Fix the error code path of one function in the ACPI-based PCI
hotplug framework (ACPIPHP) that forgets to release a lock acquired
previously (Insu Yun).
- Drop the ACPI backlight blacklist entry for Dell Inspiron 5737 that
is not necessary any more (Hans de Goede).
- Clean up the top-level PM Kconfig to stop requiring APM emulation
to depend on PM which in fact isn't necessary (Arnd Bergmann)"
* tag 'pm+acpi-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: cpufreq-dt: avoid uninitialized variable warnings:
cpufreq: pxa2xx: fix pxa_cpufreq_change_voltage prototype
PM: APM_EMULATION does not depend on PM
cpufreq: Use list_is_last() to check last entry of the policy list
cpufreq: Fix NULL reference crash while accessing policy->governor_data
cpuidle: coupled: remove unused define cpuidle_coupled_lock
PM / Domains: Fix typo in comment
PM / Domains: Fix potential deadlock while adding/removing subdomains
ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot()
ACPI: Revert "ACPI / video: Add Dell Inspiron 5737 to the blacklist"
cpuidle: fix fallback mechanism for suspend to idle in absence of enter_freeze
PM / domains: fix lockdep issue for all subdomains
Pull swiotlb patchlet from Konrad Rzeszutek Wilk:
"One trivial patch.
Another patch (from Fengguang) is already in your tree courtesy of
Andrew Morton - but I would prefer not to rebase my tree. Hence the
diff is very small"
* 'stable/for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: Make linux/swiotlb.h standalone includible
MAINTAINERS: add git URL for swiotlb
Five patches queued up:
* Two patches for the AMD and Intel IOMMU drivers to fix alias
handling and ATS handling.
* Fix build error with arm io-pgtable code
* Two documentation fixes
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Merge tag 'iommu-fixes-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Five patches queued up:
- Two patches for the AMD and Intel IOMMU drivers to fix alias
handling and ATS handling.
- Fix build error with arm io-pgtable code
- Two documentation fixes"
* tag 'iommu-fixes-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Update struct iommu_ops comments
iommu/vt-d: Fix link to Intel IOMMU Specification
iommu/amd: Correct the wrong setting of alias DTE in do_attach
iommu/vt-d: Don't skip PCI devices when disabling IOTLB
iommu/io-pgtable-arm: Fix io-pgtable-arm build failure
- Use bit mask to calculate tdp limit in fam15h_power driver
- Black-list Dell Studio XPS 8000 in dell-smm driver
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Merge tag 'hwmon-for-linus-v4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Use bit mask to calculate tdp limit in fam15h_power driver
- Black-list Dell Studio XPS 8000 in dell-smm driver
* tag 'hwmon-for-linus-v4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (fam15h_power) Add bit masking for tdp_limit
hwmon: (dell-smm) Blacklist Dell Studio XPS 8000
Four fixes: one to try to fix our repeated intermittent crashes in
suspend/resume, one to correct a regression in the optimal I/O size reporting
and a couple for randconfig build failures in the hisi_sas driver.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes: one to try to fix our repeated intermittent crashes in
suspend/resume, one to correct a regression in the optimal I/O size
reporting and a couple for randconfig build failures in the hisi_sas
driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
SCSI: fix crashes in sd and sr runtime PM
sd: Optimal I/O size is in bytes, not sectors
hisi_sas: Restrict SCSI_HISI_SAS to arm64
hisi_sas: SCSI_HISI_SAS should depend on HAS_DMA
Pull block layer fix from Jens Axboe:
"This just contains the fix for the split issue that we had in -rc1.
It's been well tested at this point, so let's get it in mainline so we
don't have the same split issue for -rc2"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix bio splitting on max sectors
* pm-cpuidle:
cpuidle: coupled: remove unused define cpuidle_coupled_lock
cpuidle: fix fallback mechanism for suspend to idle in absence of enter_freeze
* pm-cpufreq:
cpufreq: cpufreq-dt: avoid uninitialized variable warnings:
cpufreq: pxa2xx: fix pxa_cpufreq_change_voltage prototype
cpufreq: Use list_is_last() to check last entry of the policy list
cpufreq: Fix NULL reference crash while accessing policy->governor_data
* pm-domains:
PM / Domains: Fix typo in comment
PM / Domains: Fix potential deadlock while adding/removing subdomains
PM / domains: fix lockdep issue for all subdomains
* pm-sleep:
PM: APM_EMULATION does not depend on PM
There are a few fixes in ALSA core for bugs that have been spotted by
fuzzer. Also a temporary workaround for PowerPC (and possibly other)
builds with incompatible ioctls was applied to compress API.
Other than that, a few trivial fixes and quirks for FireWire BeBoB,
USB-audio and HD-audio are found, too.
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Merge tag 'sound-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"There are a few fixes in ALSA core for bugs that have been spotted by
fuzzer. Also a temporary workaround for PowerPC (and possibly other)
builds with incompatible ioctls was applied to compress API.
Other than that, a few trivial fixes and quirks for FireWire BeBoB,
USB-audio and HD-audio are found, too"
* tag 'sound-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - disable dynamic clock gating on Broxton before reset
ALSA: hda - Add new GPU codec ID 0x10de0083 to snd-hda
ALSA: dummy: Disable switching timer backend via sysfs
ALSA: timer: fix SND_PCM_TIMER Kconfig text
ALSA: Add missing dependency on CONFIG_SND_TIMER
ALSA: bebob: Use a signed return type for get_formation_index
ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay
ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures
ALSA: seq: Degrade the error message for too many opens
ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()
Pull drm fixes from Dave Airlie:
"Summary:
- Misc amdgpu/radeon fixes
- VC4 build fix
- vmwgfx fix
- misc rockchip fixes
The etnaviv guys had an API feature they wanted in their first
release, so I've merged that with their fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (41 commits)
drm/vmwgfx: respect 'nomodeset'
drm/amdgpu: only move pt bos in LRU list on success
drm/radeon: fix DP audio support for APU with DCE4.1 display engine
drm/radeon: Add a common function for DFS handling
drm/radeon: cleaned up VCO output settings for DP audio
drm/amd/powerplay: Update SMU firmware loading for Stoney
drm/etnaviv: call correct function when trying to vmap a DMABUF
drm/etnaviv: rename etnaviv_gem_vaddr to etnaviv_gem_vmap
drm/etnaviv: fix get pages error path in etnaviv_gem_vaddr
drm/etnaviv: fix memory leak in IOMMU init path
drm/etnaviv: add further minor features and varyings count
drm/etnaviv: add helper for comparing model/revision IDs
drm/etnaviv: add helper to extract bitfields
drm/etnaviv: use defined constants for the chip model
drm/etnaviv: update common and state_hi xml.h files
drm/etnaviv: ignore VG GPUs with FE2.0
drm/amdgpu: don't init fbdev if we don't have any connectors
drm/radeon: only init fbdev if we have connectors
drm/radeon: Ensure radeon bo is unreserved in radeon_gem_va_ioctl
drm/etnaviv: fix failure path if model is zero
...
Pull security layer fixes from James Morris:
"The keys patch fixes a bug which is breaking kerberos, and the seccomp
fix addresses a no_new_privs bypass"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
KEYS: Only apply KEY_FLAG_KEEP to a key if a parent keyring has it set
seccomp: always propagate NO_NEW_PRIVS on tsync
This reverts commit 14e46e0495.
This ends up doing sysfs operations from deep in balance (where we
should be GFP_NOFS) and under heavy balance load, we're making races
against sysfs internals.
Revert it for now while we figure things out.
Signed-off-by: Chris Mason <clm@fb.com>
On Broxton, to make sure the reset controller works properly,
MISCBDCGE bit (bit 6) in CGCTL (0x48) of PCI configuration space
need be cleared before reset and set back to 1 after reset.
Otherwise, it may prevent the CORB/RIRB logic from being reset.
Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Update the comments around struct iommu_ops to match
current state and fix a few typos while at it.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Looks like the VT-d spec at intel.com got moved. Update the link.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
In below commit alias DTE is set when its peripheral is
setting DTE. However there's a code bug here to wrongly
set the alias DTE, correct it in this patch.
commit e25bfb56ea
Author: Joerg Roedel <jroedel@suse.de>
Date: Tue Oct 20 17:33:38 2015 +0200
iommu/amd: Set alias DTE in do_attach/do_detach
Signed-off-by: Baoquan He <bhe@redhat.com>
Tested-by: Mark Hounschell <markh@compro.net>
Cc: stable@vger.kernel.org # v4.4
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Trying to build a kernel for ARC with both options CONFIG_COMPILE_TEST
and CONFIG_IOMMU_IO_PGTABLE_LPAE enabled (e.g. as a result of "make
allyesconfig") results in the following build failure:
| CC drivers/iommu/io-pgtable-arm.o
| linux/drivers/iommu/io-pgtable-arm.c: In
| function ‘__arm_lpae_alloc_pages’:
| linux/drivers/iommu/io-pgtable-arm.c:221:3:
| error: implicit declaration of function ‘dma_map_single’
| [-Werror=implicit-function-declaration]
| dma = dma_map_single(dev, pages, size, DMA_TO_DEVICE);
| ^
| linux/drivers/iommu/io-pgtable-arm.c:221:42:
| error: ‘DMA_TO_DEVICE’ undeclared (first use in this function)
| dma = dma_map_single(dev, pages, size, DMA_TO_DEVICE);
| ^
Since IOMMU_IO_PGTABLE_LPAE depends on DMA API, io-pgtable-arm.c should
include linux/dma-mapping.h. This fixes the reported failure.
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Lada Trimasova <ltrimas@synopsys.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The I2C bus names are supposed to be stable as they can be used by
userspace to uniquely identify a specific I2C bus. So restore the
original names for all legacy (pre-SB800) devices.
For SB800 devices and later, improve the names. "SDA" refers to the
serial data pin of each SMBus port, it's an implementation detail the
user doesn't need to know. Use "port" instead, which is easier to
understand.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Christian Fetzer <fetzer.ch@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Vendor ID 0x10de0083 is used by a yet-to-be-named GPU chip.
This chip also has the 2-ch audio swapping bug, so patch_nvhdmi is
appropriate here.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The first is a cut and paste issue that changed the amount of stack
to skip when tracing a stack dump from 0 to 6, which basically made
the stack disappear for small stack traces.
The second fix is just removing an unused field in a struct that is no
longer used, and currently just wastes space.
The third is another cut-and-paste fix that had a tracepoint recording
the wrong field (it was recording the previous field a second time).
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Merge tag 'trace-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull minor tracing fixes from Steven Rostedt:
"This includes three minor fixes, mostly due to cut-and-paste issues.
The first is a cut and paste issue that changed the amount of stack to
skip when tracing a stack dump from 0 to 6, which basically made the
stack disappear for small stack traces.
The second fix is just removing an unused field in a struct that is no
longer used, and currently just wastes space.
The third is another cut-and-paste fix that had a tracepoint recording
the wrong field (it was recording the previous field a second time)"
* tag 'trace-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/dma-buf/fence: Fix timeline str value on fence_annotate_wait_on
ftrace: Remove unused nr_trampolines var
tracing: Fix stacktrace skip depth in trace_buffer_unlock_commit_regs()
Here are some fixes for drm/rockchip, these fixes base on drm-next.
These fixes works on my popmetal(rk3288) board.
About patch: drm/atomic-helper: Export framebuffer_changed()
Daniel Vetter ack for merging it through rockchip git trees, so framebuffer_changed() can be reused by drm/rockchip.
All others looks good, so I'd like you can land them.
* 'drm-rockchip-next-fixes-2016-01-22' of https://github.com/markyzq/kernel-drm-rockchip:
drm/rockchip: respect CONFIG_DRM_FBDEV_EMULATION
drm/rockchip: fix wrong pitch/size using on gem
drm/rockchip: explain why we can't wait_for_vblanks
drm/rockchip: don't wait for vblank if fb hasn't changed
drm/atomic-helper: Export framebuffer_changed()
drm/rockchip/dsi: fix handling mipi_dsi_pixel_format_to_bpp result
drm/rockchip: vop: fix mask when updating interrupts
drm/rockchip: cleanup unnecessary export symbol
drm/rockchip: Don't build rockchip_drm_vop as modules
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
vc4.
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Merge tag 'drm-vc4-fixes-2015-01-19' of http://github.com/anholt/linux into drm-fixes
This pull request just includes the !CONFIG_PM_SLEEP build fix for
vc4.
* tag 'drm-vc4-fixes-2015-01-19' of http://github.com/anholt/linux:
drm/vc4: Remove broken attempt at GPU reset using genpd.
A bunch of etnaviv fixes for 4.5-rc. Most of them are fixing
things in code paths that will only be hit if something goes
wrong, which have been unearthed by more extensive testing.
The only thing that doesn't really qualify as fixes is an UAPI
extension that userspace wants to rely on being present, so
I want to fast-track this into 4.5 before etnaviv ends up in a
released kernel.
* 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux:
drm/etnaviv: call correct function when trying to vmap a DMABUF
drm/etnaviv: rename etnaviv_gem_vaddr to etnaviv_gem_vmap
drm/etnaviv: fix get pages error path in etnaviv_gem_vaddr
drm/etnaviv: fix memory leak in IOMMU init path
drm/etnaviv: add further minor features and varyings count
drm/etnaviv: add helper for comparing model/revision IDs
drm/etnaviv: add helper to extract bitfields
drm/etnaviv: use defined constants for the chip model
drm/etnaviv: update common and state_hi xml.h files
drm/etnaviv: ignore VG GPUs with FE2.0
drm/etnaviv: fix failure path if model is zero
drm/etnaviv: hold object lock while getting pages for coredump
drm/etnaviv: remove owner assignment from platform_driver
Misc radeon and amdgpu fixes:
- SMU firmware loading fix for Stoney
- DP audio fixes for DCE4.1
- Don't expose fbdev device if no connectors
- fix page table LRU list update handling
* 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: only move pt bos in LRU list on success
drm/radeon: fix DP audio support for APU with DCE4.1 display engine
drm/radeon: Add a common function for DFS handling
drm/radeon: cleaned up VCO output settings for DP audio
drm/amd/powerplay: Update SMU firmware loading for Stoney
drm/amdgpu: don't init fbdev if we don't have any connectors
drm/radeon: only init fbdev if we have connectors
drm/radeon: Ensure radeon bo is unreserved in radeon_gem_va_ioctl
drm/amdgpu: fix next_rptr handling for debugfs
drm/radeon: properly byte swap vce firmware setup
drm/amdgpu: add a message to indicate when powerplay is enabled (v2)
drm/amdgpu: fix amdgpu_bo_pin_restricted VRAM placing v2
drm/amd/amdgpu: Improve amdgpu_dpm* macros to avoid unexpected result (v2)
drm/amdgpu: Allow the driver to load if amdgpu.powerplay=1 on asics without powerplay support
drm/amdgpu: Use drm_calloc_large for VM page_tables array
drm/amdgpu: Add some tweaks to gfx 8 soft reset
drm/amdgpu: fix tonga smu resume
This fixes a race condition in the error case: since the pt bos have not
necessarily been reserved in case of an error, we could move a pt bo that
is currently in the middle of being evicted/moved by another process,
which then resulted in a BUG_ON in ttm_bo_add_to_lru.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This was wrongly updated by commit 7aa9a23c69 ("powerpc, thp: remove
infrastructure for handling splitting PMDs") during the last merge
window. Fix it up.
This could lead to incorrect behaviour in THP and/or mprotect(), at a
minimum.
Fixes: 7aa9a23c69 ("powerpc, thp: remove infrastructure for handling splitting PMDs")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Commit 7a7868326d ("powerpc/perf: Add an explict flag indicating
presence of SLOT field") introduced the PPMU_HAS_SSLOT flag to remove
the assumption that MMCRA[SLOT] was present when PPMU_ALT_SIPR was not
set.
That commit's changelog also mentions that Power8 does not support
MMCRA[SLOT]. However when the Power8 PMU support was merged, it
errnoeously included the PPMU_HAS_SSLOT flag.
So remove PPMU_HAS_SSLOT from the Power8 flags.
mpe: On systems where MMCRA[SLOT] exists, the field occupies bits 37:39
(IBM numbering). On Power8 bit 37 is reserved, and 38:39 overlap with
the high bits of the Threshold Event Counter Mantissa. I am not aware of
any published events which use the threshold counting mechanism, which
would cause the mantissa bits to be set. So in practice this bug is
unlikely to trigger.
Fixes: e05b9b9e5c ("powerpc/perf: Power8 PMU support")
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
ALSA dummy driver can switch the timer backend between system timer
and hrtimer via its hrtimer module option. This can be also switched
dynamically via sysfs, but it may lead to a memory corruption when
switching is done while a PCM stream is running; the stream instance
for the newly switched timer method tries to access the memory that
was allocated by another timer method although the sizes differ.
As the simplest fix, this patch just disables the switch via sysfs by
dropping the writable bit.
BugLink: http://lkml.kernel.org/r/CACT4Y+ZGEeEBntHW5WHn2GoeE0G_kRrCmUh6=dWyy-wfzvuJLg@mail.gmail.com
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
KEY_FLAG_KEEP should only be applied to a key if the keyring it is being
linked into has KEY_FLAG_KEEP set.
To this end, partially revert the following patch:
commit 1d6d167c2e
Author: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Thu Jan 7 07:46:36 2016 -0500
KEYS: refcount bug fix
to undo the change that made it unconditional (Mimi got it right the first
time).
Without undoing this change, it becomes impossible to delete, revoke or
invalidate keys added to keyrings through __key_instantiate_and_link()
where the keyring has itself been linked to. To test this, run the
following command sequence:
keyctl newring foo @s
keyctl add user a a %:foo
keyctl unlink %user:a %:foo
keyctl clear %:foo
With the commit mentioned above the third and fourth commands fail with
EPERM when they should succeed.
Reported-by: Stephen Gallager <sgallagh@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
cc: keyrings@vger.kernel.org
cc: stable@vger.kernel.org
Signed-off-by: James Morris <james.l.morris@oracle.com>
gcc warns quite a bit about values returned from allocate_resources()
in cpufreq-dt.c:
cpufreq-dt.c: In function 'cpufreq_init':
cpufreq-dt.c:327:6: error: 'cpu_dev' may be used uninitialized in this function [-Werror=maybe-uninitialized]
cpufreq-dt.c:197:17: note: 'cpu_dev' was declared here
cpufreq-dt.c:376:2: error: 'cpu_clk' may be used uninitialized in this function [-Werror=maybe-uninitialized]
cpufreq-dt.c:199:14: note: 'cpu_clk' was declared here
cpufreq-dt.c: In function 'dt_cpufreq_probe':
cpufreq-dt.c:461:2: error: 'cpu_clk' may be used uninitialized in this function [-Werror=maybe-uninitialized]
cpufreq-dt.c:447:14: note: 'cpu_clk' was declared here
The problem is that it's slightly hard for gcc to follow return
codes across PTR_ERR() calls.
This patch uses explicit assignments to the "ret" variable to make
it easier for gcc to verify that the code is actually correct,
without the need to add a bogus initialization.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are two definitions of pxa_cpufreq_change_voltage, with slightly
different prototypes after one of them had its argument marked 'const'.
Now the other one (for !CONFIG_REGULATOR) produces a harmless warning:
drivers/cpufreq/pxa2xx-cpufreq.c: In function 'pxa_set_target':
drivers/cpufreq/pxa2xx-cpufreq.c:291:36: warning: passing argument 1 of 'pxa_cpufreq_change_voltage' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
ret = pxa_cpufreq_change_voltage(&pxa_freq_settings[idx]);
^
drivers/cpufreq/pxa2xx-cpufreq.c:205:12: note: expected 'struct pxa_freqs *' but argument is of type 'const struct pxa_freqs *'
static int pxa_cpufreq_change_voltage(struct pxa_freqs *pxa_freq)
^
This changes the prototype in the same way as the other, which
avoids the warning.
Fixes: 03c2299063 (cpufreq: pxa: make pxa_freqs arrays const)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 4.2+ <stable@vger.kernel.org> # 4.2+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The APM emulation code does multiple things, and some of them depend on
PM_SLEEP, while the battery management does not. However, selecting
the symbol like SHARPSL_PM does causes a Kconfig warning:
warning: (SHARPSL_PM && PMAC_APM_EMU) selects APM_EMULATION which has unmet direct dependencies (PM && SYS_SUPPORTS_APM_EMULATION)
From all I can tell, this is completely harmless, and we can simply allow
APM_EMULATION to be enabled here, even if PM is not.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently next_policy() explicitly checks if a policy is the last
policy in the cpufreq_policy_list. Use the standard list_is_last
primitive instead.
Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This was found with the -RT patch enabled, but the fix should apply to
non-RT also.
Used multi_v7_defconfig+PREEMPT_RT_FULL=y and this caused a compilation
warning without this fix:
../drivers/cpuidle/coupled.c:122:21: warning: 'cpuidle_coupled_lock'
defined but not used [-Wunused-variable]
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
