Commit Graph

41626 Commits

Author SHA1 Message Date
Linus Torvalds
9b6c9e96f9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller:
 "Here we go:

   - Fix various long standing issues in the sparc 32-bit IOMMU support
     code, from Christoph Hellwig.

   - Various other code cleanups and simplifications all over. From
     Gustavo A. R. Silva, Jagadeesh Pagadala, Masahiro Yamada, Mauro
     Carvalho Chehab, Mike Rapoport"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: simplify reduce_memory() function
  sparc: use struct_size() in kzalloc()
  docs: sparc: convert to ReST
  sparc/iommu: merge iommu_get_one and __sbus_iommu_map_page
  sparc/iommu: use __sbus_iommu_map_page to implement the map_sg path
  sparc/iommu: fix __sbus_iommu_map_page for highmem pages
  sparc/iommu: move per-page flushing into __sbus_iommu_map_page
  sparc/iommu: pass a physical address to iommu_get_one
  sparc/iommu: create a common helper for map_sg
  sparc/iommu: merge iommu_release_one and sbus_iommu_unmap_page
  sparc/iommu: use sbus_iommu_unmap_page in sbus_iommu_unmap_sg
  sparc/iommu: use !PageHighMem to check if a page has a kernel mapping
  sparc: vdso: add FORCE to the build rule of %.so
  arch:sparc:kernel/uprobes.c : Remove duplicate header
2019-05-09 15:07:44 -07:00
Linus Torvalds
ea5aee6d97 Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Stephen Boyd:
 "We have a couple new features and changes in the core clk framework
  this time around because we've finally gotten around to fixing some
  long standing issues. There's still work to do though, so this pull
  request is largely laying down the foundation for all the driver
  changes to come in the next merge window.

  The first problem we're alleviating is how parents of clks are
  specified. With the new method, we should see lots of drivers migrate
  away from the current design of string comparisons on the entire clk
  tree to a more direct method where they can use clk_hw pointers or
  more localized names specified in DT or via clkdev. This should reduce
  our reliance on string comparisons for all the topology description
  logic that we've been using for years and hopefully speed some things
  up while avoiding problems we have with generating clk names.

  Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't
  really helping anyone and we introduced big-endian versions of the
  basic clk types so that we can get rid of clk_{readl,writel}(). Both
  of these are things that driver developers have tried to use over the
  years that I typically bat away during code reviews because they're
  not useful. It's great to see these two things go away so maintainers
  can save time not worrying about these things.

  On the driver side we got the usual collection of new SoC support and
  non-critical fixes and updates to existing code. The big topics that
  stand out are the new driver support for Mediatek MT8183 and MT8516
  SoCs, Amlogic Meson8b and G12a SoCs, and the SiFive FU540 SoC. The
  other patches in the driver pile are mostly fixes for things that are
  being used for the first time or additions for clks that couldn't be
  tested before because there wasn't a consumer driver that exercised
  them. Details are below and also in the sub-maintainer tags.

  Core:
   - Remove clk_readl() and introduce BE versions of basic clk types
   - Rewrite how clk parents can be specified to allow DT/clkdev lookups
   - Removal of the CLK_IS_BASIC clk flag
   - Framework documentation updates and fixes

  New Drivers:
   - Support for STM32F769
   - AT91 sam9x60 PMC support
   - SiFive FU540 PRCI and PLL support
   - Qualcomm QCS404 CDSP clk support
   - Qualcomm QCS404 Turing clk support
   - Mediatek MT8183 clock support
   - Mediatek MT8516 clock support
   - Milbeaut M10V clk controller support
   - Support for Cirrus Logic Lochnagar clks

  Updates:
   - Rework AT91 sckc DT bindings
   - Fix slow RC oscillator issue on sama5d3
   - Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
   - Various static analysis fixes/finds and const markings
   - Video Engine (ECLK) support on Aspeed SoCs
   - Xilinx ZynqMP Versal platform support
   - Convert Xilinx ZynqMP driver to be struct oriented
   - Fixes for Rockchip rk3328 and rk3288 SoCs
   - Sub-type for Rockchip SoCs where mux and divider aren't a single register
   - Remove SNVS clock from i.MX7UPL clock driver and bindings
   - Improve i.MX5 clock driver for i.MX50 support
   - Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
   - Export a new clock for the MBUS controller on the A13
   - Allwinner H6 fixes to support a finer clocking of the video and VPU engines
   - Add g12a support in the Amlogic axg audio clock controller
   - Add missing PCI USB clock on Rensas RZ/N1
   - Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
   - A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
   - VPU and Video Decoder clocks on Amlogic Meson8b
   - Finally remove the wrong ABP Meson8b clock id
   - Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
   - Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
   - Un-expose some Amlogic AXG-Audio input clocks IDs"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (172 commits)
  clk: Cache core in clk_fetch_parent_index() without names
  clk: imx: correct pfdv2 gate_bit/vld_bit operations
  clk: sifive: add a driver for the SiFive FU540 PRCI IP block
  clk: analogbits: add Wide-Range PLL library
  clk: imx: clk-pllv3: mark expected switch fall-throughs
  clk: imx8mq: Add dsi_ipg_div
  clk: imx: pllv4: add fractional-N pll support
  clk: sunxi-ng: Use the correct style for SPDX License Identifier
  clk: sprd: Use the correct style for SPDX License Identifier
  clk: renesas: Use the correct style for SPDX License Identifier
  clk: qcom: Use the correct style for SPDX License Identifier
  clk: davinci: Use the correct style for SPDX License Identifier
  clk: actions: Use the correct style for SPDX License Identifier
  clk: imx: keep uart clock on during system boot
  clk: imx: correct i.MX7D AV PLL num/denom offset
  dt-bindings: clk: add documentation for the SiFive PRCI driver
  clk: stm32mp1: Add ddrperfm clock
  clk: Remove CLK_IS_BASIC clk flag
  clock: milbeaut: Add Milbeaut M10V clock controller
  dt-bindings: clock: milbeaut: add Milbeaut clock description
  ...
2019-05-09 14:50:09 -07:00
Linus Torvalds
8e4ff713ce Merge tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "A huge series from me this cycle. I went through many drivers to set
  the date and time range supported by the RTC which helps solving HW
  limitation when the time comes (as early as next year for some). This
  time, I focused on drivers using .set_mms and .set_mmss64, allowing me
  to remove those callbacks. About a third of the patches got reviews, I
  actually own the RTCs and I tested another third and the remaining one
  are unlikely to cause any issues.

  Other than that, a single new driver and the usual fixes here and there.

  Summary:

  Subsystem:

   - set_mmss and set_mmss64 rtc_ops removal

   - Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900

   - Use SPDX identifier for the core

   - validate upper bound of tm->tm_year

  New driver:

   - Aspeed BMC SoC RTC

  Drivers:

   - abx80x: use rtc_add_group

   - ds3232: nvram support

   - pcf85063: add alarm, nvram, offset correction and microcrystal
     rv8263 support

   - x1205: add of_match_table

   - Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331,
     digicolor, ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx,
     mxc, pcap, stmp3xxx, test, wm831x, xgene.

   - Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor,
     dm355evm, ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx,
     mc13xxx, mv, mxc, omap, pcap, pcf85063, pcf85363, ps3, sh,
     stmp3xxx, sun4v, tegra, wm831x, xgene.

   - Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that
     properly set the RTC range.

   - Use dev_get_drvdata instead of multiple indirections"

* tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (177 commits)
  rtc: snvs: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
  rtc: imxdi: remove unused variable
  rtc: drop set_mms and set_mmss64
  rtc: pcap: convert to SPDX identifier
  rtc: pcap: use .set_time
  rtc: pcap: switch to rtc_time64_to_tm/rtc_tm_to_time64
  rtc: pcap: set range
  rtc: digicolor: convert to SPDX identifier
  rtc: digicolor: use .set_time
  rtc: digicolor: set range
  rtc: digicolor: fix possible race condition
  rtc: jz4740: convert to SPDX identifier
  rtc: jz4740: rework invalid time detection
  rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
  rtc: jz4740: use .set_time
  rtc: jz4740: remove useless check
  rtc: jz4740: switch to rtc_time64_to_tm/rtc_tm_to_time64
  rtc: jz4740: set range
  rtc: 88pm860x: prevent use-after-free on device remove
  rtc: Use dev_get_drvdata()
  ...
2019-05-09 14:46:33 -07:00
Linus Torvalds
45182e4e1f Merge branch 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:

 - API for late atomic transfers (e.g. to shut down via PMIC). We have a
   seperate callback now which is called under clearly defined
   conditions. In-kernel users are converted, too.

 - new driver for the AMD PCIe MP2 I2C controller

 - large refactoring for at91 and bcm-iproc (both gain slave support due
   to this)

 - and a good share of various driver improvements anf fixes

* 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (57 commits)
  dt-bindings: i2c: riic: document r7s9210 support
  i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
  i2c-piix4: Add Hygon Dhyana SMBus support
  i2c: core: apply 'is_suspended' check for SMBus, too
  i2c: core: ratelimit 'transfer when suspended' errors
  i2c: iproc: Change driver to use 'BIT' macro
  i2c: riic: Add Runtime PM support
  i2c: mux: demux-pinctrl: use struct_size() in devm_kzalloc()
  i2c: mux: pca954x: allow management of device idle state via sysfs
  i2c: mux: pca9541: remove support for unused platform data
  i2c: mux: pca954x: remove support for unused platform data
  dt-bindings: i2c: i2c-mtk: add support for MT8516
  i2c: axxia: use auto cmd for last message
  i2c: gpio: flag atomic capability if possible
  i2c: algo: bit: add flag to whitelist atomic transfers
  i2c: stu300: use xfer_atomic callback to bail out early
  i2c: ocores: enable atomic xfers
  i2c: ocores: refactor setup for polling
  i2c: tegra-bpmp: convert to use new atomic callbacks
  i2c: omap: Add the master_xfer_atomic hook
  ...
2019-05-09 14:41:55 -07:00
Linus Torvalds
abde77eb5c Merge branch 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "This includes Roman's cgroup2 freezer implementation.

  It's a separate machanism from cgroup1 freezer. Instead of blocking
  user tasks in arbitrary uninterruptible sleeps, the new implementation
  extends jobctl stop - frozen tasks are trapped in jobctl stop until
  thawed and can be killed and ptraced. Lots of thanks to Oleg for
  sheperding the effort.

  Other than that, there are a few trivial changes"

* 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: never call do_group_exit() with task->frozen bit set
  kernel: cgroup: fix misuse of %x
  cgroup: get rid of cgroup_freezer_frozen_exit()
  cgroup: prevent spurious transition into non-frozen state
  cgroup: Remove unused cgrp variable
  cgroup: document cgroup v2 freezer interface
  cgroup: add tracing points for cgroup v2 freezer
  cgroup: make TRACE_CGROUP_PATH irq-safe
  kselftests: cgroup: add freezer controller self-tests
  kselftests: cgroup: don't fail on cg_kill_all() error in cg_destroy()
  cgroup: cgroup v2 freezer
  cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock
  cgroup: implement __cgroup_task_count() helper
  cgroup: rename freezer.c into legacy_freezer.c
  cgroup: remove extra cgroup_migrate_finish() call
2019-05-09 13:52:12 -07:00
Linus Torvalds
7664cd6e3a Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull intgrity updates from James Morris:
 "This contains just three patches, the remainder were either included
  in other pull requests (eg. audit, lockdown) or will be upstreamed via
  other subsystems (eg. kselftests, Power).

  Included here is one bug fix, one documentation update, and extending
  the x86 IMA arch policy rules to coordinate the different kernel
  module signature verification methods"

* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  doc/kernel-parameters.txt: Deprecate ima_appraise_tcb
  x86/ima: add missing include
  x86/ima: require signed kernel modules
2019-05-09 12:54:40 -07:00
Linus Torvalds
055128ee00 Merge tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:

 - Updates to stm32 dma residue calculations

 - Interleave dma capability to axi-dmac and support for ZynqMP arch

 - Rework of channel assignment for rcar dma

 - Debugfs for pl330 driver

 - Support for Tegra186/Tegra194, refactoring for new chips and support
   for pause/resume

 - Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma, rcar-dmac,
   stm32-dma etc

 - dev_get_drvdata() updates on few drivers

* tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (34 commits)
  dmaengine: tegra210-adma: restore channel status
  dmaengine: tegra210-dma: free dma controller in remove()
  dmaengine: tegra210-adma: add pause/resume support
  dmaengine: tegra210-adma: add support for Tegra186/Tegra194
  Documentation: DT: Add compatibility binding for Tegra186
  dmaengine: tegra210-adma: prepare for supporting newer Tegra chips
  dmaengine: at_xdmac: remove a stray bottom half unlock
  dmaengine: fsl-edma: Adjust indentation
  dmaengine: fsl-edma: Fix typo in Vybrid name
  dmaengine: stm32-dma: fix residue calculation in stm32-dma
  dmaengine: nbpfaxi: Use dev_get_drvdata()
  dmaengine: bcm-sba-raid: Use dev_get_drvdata()
  dmaengine: stm32-dma: Fix unsigned variable compared with zero
  dmaengine: stm32-dma: use platform_get_irq()
  dmaengine: rcar-dmac: Update copyright information
  dmaengine: imx-sdma: Only check ratio on parts that support 1:1
  dmaengine: xgene-dma: fix spelling mistake "descripto" -> "descriptor"
  dmaengine: idma64: Move driver name to the header
  dmaengine: bcm2835: Drop duplicate capability setting.
  dmaengine: pl330: _stop: clear interrupt status
  ...
2019-05-09 08:51:45 -07:00
Linus Torvalds
ddab5337b2 Merge tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping
Pull DMA mapping updates from Christoph Hellwig:

 - remove the already broken support for NULL dev arguments to the DMA
   API calls

 - Kconfig tidyups

* tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: add a Kconfig symbol to indicate arch_dma_prep_coherent presence
  dma-mapping: remove an unnecessary NULL check
  x86/dma: Remove the x86_dma_fallback_dev hack
  dma-mapping: remove leftover NULL device support
  arm: use a dummy struct device for ISA DMA use of the DMA API
  pxa3xx-gcu: pass struct device to dma_mmap_coherent
  gbefb: switch to managed version of the DMA allocator
  da8xx-fb: pass struct device to DMA API functions
  parport_ip32: pass struct device to DMA API functions
  dma: select GENERIC_ALLOCATOR for DMA_REMAP
2019-05-09 08:40:55 -07:00
Neil Armstrong
ad36cb9186 dt-bindings: pwm: Update bindings for the Meson G12A Family
Update the doc to explicitly support Meson G12A Family.
The 2 first (A & B) AO PWM uses different clock source than the last 2
(C & D) AO PWM modules, thus we need to differentiate them.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2019-05-09 17:29:30 +02:00
Linus Torvalds
e57ccca1ba Merge tag 'sound-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
 "The most significant changes at this cycle are the Sound Open Firmware
  support from Intel for the common DSP framework along with its support
  for Intel platforms. It's a door opened to a real "free" firmware (in
  the sense of FOSS), and other parties show interests in it.

  In addition to SOF, we've got a bunch of updates and fixes as usual.
  Some highlights are below.

  ALSA core:
   - Cleanups and fixes in ALSA timer code to cover some races spotted
     by syzkaller
   - Cleanups and fixes in ALSA sequencer code to cover some races,
     again unsurprisingly, spotted by syzkaller
   - Optimize the common page allocation helper with alloc_pages_exact()

  ASoC:
   - Add SOF core support, as well as Intel SOF platform support
   - Generic card driver improvements: support for MCLK/sample rate
     ratio and pin switches
   - A big set of improvements to TLV320AIC32x4 drivers
   - New drivers for Freescale audio mixers, several Intel machines,
     several Mediatek machines, Meson G12A, Spreadtrum compressed audio
     and DMA devices

  HD-audio:
   - A few Realtek codec fixes for reducing pop noises
   - Quirks for Chromebooks
   - Workaround for faulty connection report on AMD/Nvidia HDMI

  Others:
   - A quirk for Focusrite Scarlett Solo USB-audio
   - Add support for MOTU 8pre FireWire
   - 24bit sample format support in aloop
   - GUS patch format support (finally, over a decade) in native emux
     synth code"

* tag 'sound-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (375 commits)
  ASoC: SOF: Fix unused variable warnings
  ALSA: line6: toneport: Fix broken usage of timer for delayed execution
  ALSA: aica: Fix a long-time build breakage
  ALSA: hda/realtek - Support low power consumption for ALC256
  ASoC: stm32: i2s: update pcm hardware constraints
  ASoC: codec: hdac_hdmi: no checking monitor in hw_params
  ASoC: mediatek: mt6358: save PGA for mixer control
  ASoC: mediatek: mt6358: save output volume for mixer controls
  ASoC: mediatek: mt6358: initialize setting when ramping volume
  ASoC: SOF: core: fix undefined nocodec reference
  ASoC: SOF: xtensa: fix undefined references
  ASoC: SOF: Propagate sof_get_ctrl_copy_params() error properly
  ALSA: hdea/realtek - Headset fixup for System76 Gazelle (gaze14)
  ALSA: hda/intel: add CometLake PCI IDs
  ALSA: hda/realtek - Support low power consumption for ALC295
  ASoC: rockchip: Fix an uninitialized variable compile warning
  ASoC: SOF: Fix a compile warning with CONFIG_PCI=n
  ASoC: da7219: Fix a compile warning at CONFIG_COMMON_CLK=n
  ASoC: sound/soc/sof/: fix kconfig dependency warning
  ASoC: stm32: spdifrx: change trace level on iec control
  ...
2019-05-09 08:26:55 -07:00
Anson Huang
2caf038436 dt-bindings: pwm: Add i.MX TPM PWM binding
Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM binding.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2019-05-09 17:00:24 +02:00
Maarten Lankhorst
752c4f3c1d Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested for backmerging airlied's drm-legacy cleanup.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-05-09 10:19:03 +02:00
Ramalingam C
6498bf5800 drm: revocation check at drm subsystem
On every hdcp revocation check request SRM is read from fw file
/lib/firmware/display_hdcp_srm.bin

SRM table is parsed and stored at drm_hdcp.c, with functions exported
for the services for revocation check from drivers (which
implements the HDCP authentication)

This patch handles the HDCP1.4 and 2.2 versions of SRM table.

v2:
  moved the uAPI to request_firmware_direct() [Daniel]
v3:
  kdoc added. [Daniel]
  srm_header unified and bit field definitions are removed. [Daniel]
  locking improved. [Daniel]
  vrl length violation is fixed. [Daniel]
v4:
  s/__swab16/be16_to_cpu [Daniel]
  be24_to_cpu is done through a global func [Daniel]
  Unused variables are removed. [Daniel]
  unchecked return values are dropped from static funcs [Daniel]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Satyeshwar Singh <satyeshwar.singh@intel.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507162745.25600-5-ramalingam.c@intel.com
2019-05-09 09:44:41 +02:00
Marek Behun
004c35cd8e dt-bindings: mailbox: Document armada-3700-rwtm-mailbox binding
This adds device tree binding documentation for the rWTM BIU mailbox
driver on the Armada 37xx SOC (EspressoBin, Turris Mox).

Signed-off-by: Marek Behun <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-05-09 00:41:00 -05:00
Linus Torvalds
a2d635decb Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
 "This has two exciting community drivers for ARM Mali accelerators.
  Since ARM has never been open source friendly on the GPU side of the
  house, the community has had to create open source drivers for the
  Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
  series. Well done to all involved and hopefully this will help ARM
  head in the right direction.

  There is also now the ability if you don't have any of the legacy
  drivers enabled (pre-KMS) to remove all the pre-KMS support code from
  the core drm, this saves 10% or so in codesize on my machine.

  i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
  moves out of staging.

  There are also some rcar-du patches which crossover with media tree
  but all should be acked by Mauro.

  Summary:

  uapi changes:
   - Colorspace connector property
   - fourcc - new YUV formts
   - timeline sync objects initially merged
   - expose FB_DAMAGE_CLIPS to atomic userspace

  new drivers:
   - vboxvideo: moved out of staging
   - aspeed: ASPEED SoC BMC chip display support
   - lima: ARM Mali4xx GPU acceleration driver support
   - panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support

  core:
   - component helper docs
   - unplugging fixes
   - devm device init
   - MIPI/DSI rate control
   - shmem backed gem objects
   - connector, display_info, edid_quirks cleanups
   - dma_buf fence chain support
   - 64-bit dma-fence seqno comparison fixes
   - move initial fb config code to core
   - gem fence array helpers for Lima
   - ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
   - lease fixes

  ttm:
   - unified DRM_FILE_PAGE_OFFSET handling
   - Account for kernel allocations in kernel zone only

  panel:
   - OSD070T1718-19TS panel support
   - panel-tpo-td028ttec1 backlight support
   - Ronbo RB070D30 MIPI/DSI
   - Feiyang FY07024DI26A30-D MIPI-DSI panel
   - Rocktech jh057n00900 MIPI-DSI panel

  i915:
   - Comet Lake (Gen9) PCI IDs
   - Updated Icelake PCI IDs
   - Elkhartlake (Gen11) support
   - DP MST property addtions
   - plane and watermark fixes
   - Icelake port sync and VEBOX disable fixes
   - struct_mutex usage reduction
   - Icelake gamma fix
   - GuC reset fixes
   - make mmap more asynchronous
   - sound display power well race fixes
   - DDI/MIPI-DSI clocks for Icelake
   - Icelake RPS frequency changing support
   - Icelake workarounds

  amdgpu:
   - Use HMM for userptr
   - vega20 experimental smu11 support
   - RAS support for vega20
   - BACO support for vega12 + fixes for vega20
   - reworked IH interrupt handling
   - amdkfd RAS support
   - Freesync improvements
   - initial timeline sync object support
   - DC Z ordering fixes
   - NV12 planes support
   - colorspace properties for planes=
   - eDP opts if eDP already initialized

  nouveau:
   - misc fixes

  etnaviv:
   - misc fixes

  msm:
   - GPU zap shader support expansion
   - robustness ABI addition

  exynos:
   - Logging cleanups

  tegra:
   - Shared reset fix
   - CPU cache maintenance fix

  cirrus:
   - driver rewritten using simple helpers

  meson:
   - G12A support

  vmwgfx:
   - Resource dirtying management improvements
   - Userspace logging improvements

  virtio:
   - PRIME fixes

  rockchip:
   - rk3066 hdmi support

  sun4i:
   - DSI burst mode support

  vc4:
   - load tracker to detect underflow

  v3d:
   - v3d v4.2 support

  malidp:
   - initial Mali D71 support in komeda driver

  tfp410:
   - omap related improvement

  omapdrm:
   - drm bridge/panel support
   - drop some omap specific panels

  rcar-du:
   - Display writeback support"

* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
  drm/msm/a6xx: No zap shader is not an error
  drm/cma-helper: Fix drm_gem_cma_free_object()
  drm: Fix timestamp docs for variable refresh properties.
  drm/komeda: Mark the local functions as static
  drm/komeda: Fixed warning: Function parameter or member not described
  drm/komeda: Expose bus_width to Komeda-CORE
  drm/komeda: Add sysfs attribute: core_id and config_id
  drm: add non-desktop quirk for Valve HMDs
  drm/panfrost: Show stored feature registers
  drm/panfrost: Don't scream about deferred probe
  drm/panfrost: Disable PM on probe failure
  drm/panfrost: Set DMA masks earlier
  drm/panfrost: Add sanity checks to submit IOCTL
  drm/etnaviv: initialize idle mask before querying the HW db
  drm: introduce a capability flag for syncobj timeline support
  drm: report consistent errors when checking syncobj capibility
  drm/nouveau/nouveau: forward error generated while resuming objects tree
  drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
  drm/nouveau/i2c: Disable i2c bus access after ->fini()
  drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
  ...
2019-05-08 21:35:19 -07:00
Mauro Carvalho Chehab
5d5db1c94f docs: sparc: convert to ReST
Rename the sparc documentation files to ReST, add an
index for them and adjust in order to produce a nice html
output via the Sphinx build system.

There is an except from a document under oradax dir.
It doesn't seem to make much sense to convert this one
to ReST, so let's add it as an included document.

At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-08 17:13:35 -07:00
Changbin Du
e115fb4bd2 Documentation: x86: convert x86_64/machinecheck to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:12 -06:00
Changbin Du
bdde117ffe Documentation: x86: convert x86_64/cpu-hotplug-spec to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:12 -06:00
Changbin Du
f0339db776 Documentation: x86: convert x86_64/fake-numa-for-cpusets to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
85a3bd41cd Documentation: x86: convert x86_64/5level-paging.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
b88679d2f2 Documentation: x86: convert x86_64/mm.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
1c65b4e0f2 Documentation: x86: convert x86_64/uefi.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
bbea90bbb6 Documentation: x86: convert x86_64/boot-options.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
8fffdc9353 Documentation: x86: convert i386/IO-APIC.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
71892b25fc Documentation: x86: convert usb-legacy-support.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
9d12f58fe9 Documentation: x86: convert orc-unwinder.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
1cd7af509d Documentation: x86: convert resctrl_ui.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
3d07bc393f Documentation: x86: convert microcode.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:11 -06:00
Changbin Du
ea0765e835 Documentation: x86: convert pti.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
0c7180f2e4 Documentation: x86: convert amd-memory-encryption.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
f10b07a01a Documentation: x86: convert intel_mpx.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
28e21eac94 Documentation: x86: convert protection-keys.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
2f6eae4730 Documentation: x86: convert pat.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
26d14a2025 Documentation: x86: convert mtrr.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
17156044b1 Documentation: x86: convert tlb.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
0c2d3639a8 Documentation: x86: convert zero-page.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
4b13576002 Documentation: x86: convert earlyprintk.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:10 -06:00
Changbin Du
c2dea5cda0 Documentation: x86: convert entry_64.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Changbin Du
ac2b4687da Documentation: x86: convert kernel-stacks to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Changbin Du
06955392a9 Documentation: x86: convert exception-tables.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Changbin Du
848942cb2e Documentation: x86: convert topology.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Changbin Du
f1f238a9f1 Documentation: x86: convert boot.txt to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Changbin Du
e5def4c603 Documentation: add Linux x86 docs to Sphinx TOC tree
Add a index.rst for x86 support. More docs will be added later.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:34:09 -06:00
Tzvetomir Stoyanov
39a39d5b6b Documentation/trace: Add clarification how histogram onmatch works
The current trace documentation, the section describing histogram's "onmatch"
is not straightforward enough about how this action is applied. It is not
clear what criteria are used to "match" both events. A short note is added,
describing what exactly is compared in order to match the events.

Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
[jc: fixed trivial conflict with docs-next]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:32:05 -06:00
Federico Vaga
f15be33aa3 doc:it_IT: align documentation after licenses patches
This patch translates in Italian the following updates

62be257e98 LICENSES: Rename other to deprecated
8ea8814fcd LICENSES: Clearly mark dual license only licenses
6132c37ca5 docs: Don't reference the ZLib license in license-rules.rst

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-05-08 14:26:38 -06:00
Linus Torvalds
8c79f4cd44 Merge tag 'docs-5.2' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
 "A reasonably busy cycle for docs, including:

   - Lots of work on the Chinese and Italian translations

   - Some license-rules clarifications from Christoph

   - Various build-script fixes

   - A new document on memory models

   - RST conversion of the live-patching docs

   - The usual collection of typo fixes and corrections"

* tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits)
  docs/livepatch: Unify style of livepatch documentation in the ReST format
  docs: livepatch: convert docs to ReST and rename to *.rst
  scripts/documentation-file-ref-check: detect broken :doc:`foo`
  scripts/documentation-file-ref-check: don't parse Next/ dir
  LICENSES: Rename other to deprecated
  LICENSES: Clearly mark dual license only licenses
  docs: Don't reference the ZLib license in license-rules.rst
  docs/vm: Minor editorial changes in the THP and hugetlbfs
  docs/vm: add documentation of memory models
  doc:it_IT: translation alignment
  doc: fix typo in PGP guide
  dontdiff: update with Kconfig build artifacts
  docs/zh_CN: fix typos in 1.Intro.rst file
  docs/zh_CN: redirect CoC docs to Chinese version
  doc: mm: migration doesn't use FOLL_SPLIT anymore
  docs: doc-guide: remove the extension from .rst files
  doc: kselftest: Fix KBUILD_OUTPUT usage instructions
  docs: trace: fix some Sphinx warnings
  docs: speculation.txt: mark example blocks as such
  docs: ntb.txt: add blank lines to clean up some Sphinx warnings
  ...
2019-05-08 12:42:50 -07:00
Linus Torvalds
2646719a48 Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:

 - allow users to invoke 'make' out of the source tree

 - refactor scripts/mkmakefile

 - deprecate KBUILD_SRC, which was used to track the source tree
   location for O= build.

 - fix recordmcount.pl in case objdump output is localized

 - turn unresolved symbols in external modules to errors from warnings
   by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings

 - generate modules.builtin.modinfo to collect .modinfo data from
   built-in modules

 - misc Makefile cleanups

* tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits)
  .gitignore: add more all*.config patterns
  moduleparam: Save information about built-in modules in separate file
  Remove MODULE_ALIAS() calls that take undefined macro
  .gitignore: add leading and trailing slashes to generated directories
  scripts/tags.sh: fix direct execution of scripts/tags.sh
  scripts: override locale from environment when running recordmcount.pl
  samples: kobject: allow CONFIG_SAMPLE_KOBJECT to become y
  samples: seccomp: turn CONFIG_SAMPLE_SECCOMP into a bool option
  kbuild: move Documentation to vmlinux-alldirs
  kbuild: move samples/ to KBUILD_VMLINUX_OBJS
  modpost: make KBUILD_MODPOST_WARN also configurable for external modules
  kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build
  kbuild: remove unneeded dependency for include/config/kernel.release
  memory: squash drivers/memory/Makefile.asm-offsets
  kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build
  kbuild: mkmakefile: generate a simple wrapper of top Makefile
  kbuild: mkmakefile: do not check the generated Makefile marker
  kbuild: allow Kbuild to start from any directory
  kbuild: pass $(MAKECMDGOALS) to sub-make as is
  kbuild: fix warning "overriding recipe for target 'Makefile'"
  ...
2019-05-08 12:25:12 -07:00
Linus Torvalds
e7a1414f9d Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:

 - remove the deprecated Zoran driver from staging

 - new I2C driver: ST MIPID02 CSI-2 camera bridge

 - new platform driver: Amlogic Meson AO CEC G12A Controller

 - add support for USB audio via the media controller

 - au0828 driver is now supported via the media controller on both on
   media and on usbaudio

 - new kernel test for the media device allocator

 - add support for stateless decoder at vicodec driver

 - lots of other driver improvements fixes and cleanups

* tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (218 commits)
  media: dt-bindings: aspeed-video: Add missing memory-region property
  media: platform: Aspeed: Make reserved memory optional
  media: platform: Aspeed: Remove use of reset line
  media: stm32-dcmi: return appropriate error codes during probe
  media: vsp1: Add support for missing 16-bit RGB555 formats
  media: vsp1: Add support for missing 16-bit RGB444 formats
  media: vsp1: Add support for missing 32-bit RGB formats
  media: v4l: Add definitions for missing 16-bit RGB555 formats
  media: v4l: Add definitions for missing 16-bit RGB4444 formats
  media: v4l: Add definitions for missing 32-bit RGB formats
  media: zoran: remove deprecated driver
  media: MAINTAINERS: Update AO CEC with ao-cec-g12a driver
  media: platform: meson: Add Amlogic Meson G12A AO CEC Controller driver
  media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible
  media: cros-ec-cec: decrement HDMI device refcount
  media: seco-cec: decrement HDMI device refcount
  media: tegra_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: stih_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: s5p_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: meson: ao-cec: use new cec_notifier_parse_hdmi_phandle helper
  ...
2019-05-08 11:13:17 -07:00
Hans Verkuil
823a633eeb media: field-order.rst: clarify FIELD_ANY and FIELD_NONE
Rephrased the FIELD_ANY description: rather than explicitly list
field values, just say 'when any field format is acceptable'. The
list of FIELD values was outdated, so it was a bit confusing.

The FIELD_NONE description said that 'The driver may also indicate
this order when it cannot distinguish between V4L2_FIELD_TOP and
V4L2_FIELD_BOTTOM'. This is false, NONE really means a full frame
and userspace depends on that. So drop this line completely. There
are no drivers that do this anyway.

FIELD_TOP/BOTTOM/ALTERNATE indicate that the number of lines in the
buffer are that of a field, not frame, so returning NONE here would
cause huge problems.

Finally attempt to clarify 'progressive' and 'interlaced' a little
bit.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-08 14:01:57 -04:00
Mikulas Patocka
468dfca38b dm integrity: add a bitmap mode
Introduce an alternate mode of operation where dm-integrity uses a
bitmap instead of a journal. If a bit in the bitmap is 1, the
corresponding region's data and integrity tags are not synchronized - if
the machine crashes, the unsynchronized regions will be recalculated.
The bitmap mode is faster than the journal mode, because we don't have
to write the data twice, but it is also less reliable, because if data
corruption happens when the machine crashes, it may not be detected.

Benchmark results for an SSD connected to a SATA300 port, when doing
large linear writes with dd:

buffered I/O:
        raw device throughput - 245MB/s
        dm-integrity with journaling - 120MB/s
        dm-integrity with bitmap - 238MB/s

direct I/O with 1MB block size:
        raw device throughput - 248MB/s
        dm-integrity with journaling - 123MB/s
        dm-integrity with bitmap - 223MB/s

For more info see dm-integrity in Documentation/device-mapper/

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-05-08 13:41:58 -04:00