Commit Graph

1260 Commits

Author SHA1 Message Date
Linus Torvalds 0ec28c37c2 media updates for v3.19-rc1
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Merge tag 'media/v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull second set of media updates from Mauro Carvalho Chehab:

 - Move drivers for really old legacy hardware to staging.  Those are
   using obsolete media kAPIs and are for hardware that nobody uses for
   years.  Simply not worth porting them to the new kAPIs.  Of course,
   if anyone pops up to fix, we can move them back from there

 - While not too late, do some API fixups at the new colorspace API,
   added for v3.19

 - Some improvements for rcar_vin driver

 - Some fixups at cx88 and vivid drivers

 - Some Documentation fixups

* tag 'media/v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] bq/c-qcam, w9966, pms: move to staging in preparation for removal
  [media] tlg2300: move to staging in preparation for removal
  [media] vino/saa7191: move to staging in preparation for removal
  [media] MAINTAINERS: vivi -> vivid
  [media] cx88: remove leftover start_video_dma() call
  [media] cx88: add missing alloc_ctx support
  [media] v4l2-ioctl: WARN_ON if querycap didn't fill device_caps
  [media] vivid: fix CROP_BOUNDS typo for video output
  [media] DocBook media: update version number and document changes
  [media] vivid.txt: document new controls
  [media] DocBook media: add missing ycbcr_enc and quantization fields
  [media] v4l2-mediabus.h: use two __u16 instead of two __u32
  [media] rcar_vin: Fix interrupt enable in progressive
  [media] rcar_vin: Enable VSYNC field toggle mode
  [media] rcar_vin: Add scaling support
  [media] rcar_vin: Add DT support for r8a7793 and r8a7794 SoCs
  [media] rcar_vin: Add YUYV capture format support
2014-12-18 20:14:49 -08:00
Hans Verkuil 5fdb9679b9 [media] DocBook media: update version number and document changes
Update the version to 3.19.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-16 23:21:38 -02:00
Hans Verkuil cc0363120b [media] DocBook media: add missing ycbcr_enc and quantization fields
I forgot to add these fields to the relevant structs.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-16 23:21:37 -02:00
Linus Torvalds 988adfdffd Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "Highlights:

   - AMD KFD driver merge

     This is the AMD HSA interface for exposing a lowlevel interface for
     GPGPU use.  They have an open source userspace built on top of this
     interface, and the code looks as good as it was going to get out of
     tree.

   - Initial atomic modesetting work

     The need for an atomic modesetting interface to allow userspace to
     try and send a complete set of modesetting state to the driver has
     arisen, and been suffering from neglect this past year.  No more,
     the start of the common code and changes for msm driver to use it
     are in this tree.  Ongoing work to get the userspace ioctl finished
     and the code clean will probably wait until next kernel.

   - DisplayID 1.3 and tiled monitor exposed to userspace.

     Tiled monitor property is now exposed for userspace to make use of.

   - Rockchip drm driver merged.

   - imx gpu driver moved out of staging

  Other stuff:

   - core:
        panel - MIPI DSI + new panels.
        expose suggested x/y properties for virtual GPUs

   - i915:
        Initial Skylake (SKL) support
        gen3/4 reset work
        start of dri1/ums removal
        infoframe tracking
        fixes for lots of things.

   - nouveau:
        tegra k1 voltage support
        GM204 modesetting support
        GT21x memory reclocking work

   - radeon:
        CI dpm fixes
        GPUVM improvements
        Initial DPM fan control

   - rcar-du:
        HDMI support added
        removed some support for old boards
        slave encoder driver for Analog Devices adv7511

   - exynos:
        Exynos4415 SoC support

   - msm:
        a4xx gpu support
        atomic helper conversion

   - tegra:
        iommu support
        universal plane support
        ganged-mode DSI support

   - sti:
        HDMI i2c improvements

   - vmwgfx:
        some late fixes.

   - qxl:
        use suggested x/y properties"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (969 commits)
  drm: sti: fix module compilation issue
  drm/i915: save/restore GMBUS freq across suspend/resume on gen4
  drm: sti: correctly cleanup CRTC and planes
  drm: sti: add HQVDP plane
  drm: sti: add cursor plane
  drm: sti: enable auxiliary CRTC
  drm: sti: fix delay in VTG programming
  drm: sti: prepare sti_tvout to support auxiliary crtc
  drm: sti: use drm_crtc_vblank_{on/off} instead of drm_vblank_{on/off}
  drm: sti: fix hdmi avi infoframe
  drm: sti: remove event lock while disabling vblank
  drm: sti: simplify gdp code
  drm: sti: clear all mixer control
  drm: sti: remove gpio for HDMI hot plug detection
  drm: sti: allow to change hdmi ddc i2c adapter
  drm/doc: Document drm_add_modes_noedid() usage
  drm/i915: Remove '& 0xffff' from the mask given to WA_REG()
  drm/i915: Invert the mask and val arguments in wa_add() and WA_REG()
  drm: Zero out DRM object memory upon cleanup
  drm/i915/bdw: Fix the write setting up the WIZ hashing mode
  ...
2014-12-15 15:52:01 -08:00
Linus Torvalds 6ae840e7cc Char/Misc driver patches for 3.19-rc1
Here's the big char/misc driver update for 3.19-rc1
 
 Lots of little things all over the place in different drivers, and a new
 subsystem, "coresight" has been added.  Full details are in the
 shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver update for 3.19-rc1

  Lots of little things all over the place in different drivers, and a
  new subsystem, "coresight" has been added.  Full details are in the
  shortlog"

* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
  parport: parport_pc, do not remove parent devices early
  spmi: Remove shutdown/suspend/resume kernel-doc
  carma-fpga-program: drop videobuf dependency
  carma-fpga: drop videobuf dependency
  carma-fpga-program.c: fix compile errors
  i8k: Fix temperature bug handling in i8k_get_temp()
  cxl: Name interrupts in /proc/interrupt
  CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
  coresight-replicator: remove .owner field for driver
  coresight: fixed comments in coresight.h
  coresight: fix typo in comment in coresight-priv.h
  coresight: bindings for coresight drivers
  coresight: Adding ABI documentation
  w1: support auto-load of w1_bq27000 module.
  w1: avoid potential u16 overflow
  cn: verify msg->len before making callback
  mei: export fw status registers through sysfs
  mei: read and print all six FW status registers
  mei: txe: add cherrytrail device id
  mei: kill cached host and me csr values
  ...
2014-12-14 16:43:47 -08:00
Linus Torvalds e3aa91a7cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 - The crypto API is now documented :)
 - Disallow arbitrary module loading through crypto API.
 - Allow get request with empty driver name through crypto_user.
 - Allow speed testing of arbitrary hash functions.
 - Add caam support for ctr(aes), gcm(aes) and their derivatives.
 - nx now supports concurrent hashing properly.
 - Add sahara support for SHA1/256.
 - Add ARM64 version of CRC32.
 - Misc fixes.

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits)
  crypto: tcrypt - Allow speed testing of arbitrary hash functions
  crypto: af_alg - add user space interface for AEAD
  crypto: qat - fix problem with coalescing enable logic
  crypto: sahara - add support for SHA1/256
  crypto: sahara - replace tasklets with kthread
  crypto: sahara - add support for i.MX53
  crypto: sahara - fix spinlock initialization
  crypto: arm - replace memset by memzero_explicit
  crypto: powerpc - replace memset by memzero_explicit
  crypto: sha - replace memset by memzero_explicit
  crypto: sparc - replace memset by memzero_explicit
  crypto: algif_skcipher - initialize upon init request
  crypto: algif_skcipher - removed unneeded code
  crypto: algif_skcipher - Fixed blocking recvmsg
  crypto: drbg - use memzero_explicit() for clearing sensitive data
  crypto: drbg - use MODULE_ALIAS_CRYPTO
  crypto: include crypto- module prefix in template
  crypto: user - add MODULE_ALIAS
  crypto: sha-mb - remove a bogus NULL check
  crytpo: qat - Fix 64 bytes requests
  ...
2014-12-13 13:33:26 -08:00
Linus Torvalds bae41e45b7 sound updates for 3.19-rc1
This became a fairly large pull request.  In addition to the usual
 driver updates / fixes, there have been a high amount of cleanups in
 ASoC area, as well as control API helpers and kernel documentations
 fixes touching through the whole tree.
 
 In the driver side, the biggest changes are the support for new Intel
 SoC found on new x86 machines, and the updates of FireWire dice and
 oxfw drivers.
 
 Some remarkable items are below:
 
 * ALSA core
  - PCM mmap code cleanup, removal of arch-dependent codes
  - PCM xrun injection support
  - PCM hwptr tracepoint support
  - Refactoring of snd_pcm_action(), simplification of PCM locking
  - Robustified sequecner auto-load functionality
  - New control API helpers and lots of cleanups along with them
  - Lots of kerneldoc fixes and cleanups
 
 * USB-audio
  - The mixer resume code was largely rewritten, and the devices with
    quirks are resumed properly.
  - New hardware support: Focusrite Scarlett, Digidesign Mbox1,
    Denon/Marantz DACs, Zoom R16/24
 
 * FireWire
  - DICE driver updates with better duplex and sync support, including
    MIDI support
  - New OXFW driver for Oxford Semiconductor FW970/971 chipset,
    including the previous LaCie Speakers device.  Fullduplex and MIDI
    support included as well as DICE driver.
 
 * HD-audio
  - Refactoring the driver-caps quirk handling in snd-hda-intel
  - More consistent control names representing the topology better
  - Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
    fix, ASUS Z99He laptop EAPD
 
 * ASoC
  - Conversion of AC'97 drivers to use regmap, bringing us closer to
    the removal of the ASoC level I/O code
  - Clean up a lot of old drivers that were open coding things that
    have subsequently been implemented in the core
  - Some DAPM performance improvements
  - Removal of the now seldom used CODEC mutex
  - Lots of updates for the newer Intel SoC support, including support
    for the DSP and some Cherrytrail and Braswell machine drivers
  - Support for Samsung boards using rt5631 as the CODEC
  - Removal of the obsolete AFEB9260 machine driver
  - Driver support for the TI TS3A227E headset driver used in some
    Chrombeooks
 
 * Others
  - ASIHPI driver update and cleanups
  - Lots of dev_*() printk conversions
  - Lots of trivial cleanups for the codes spotted by Coccinelle
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Merge tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This became a fairly large pull request.  In addition to the usual
  driver updates / fixes, there have been a high amount of cleanups in
  ASoC area, as well as control API helpers and kernel documentations
  fixes touching through the whole tree.

  In the driver side, the biggest changes are the support for new Intel
  SoC found on new x86 machines, and the updates of FireWire dice and
  oxfw drivers.

  Some remarkable items are below:

  ALSA core:
   - PCM mmap code cleanup, removal of arch-dependent codes
   - PCM xrun injection support
   - PCM hwptr tracepoint support
   - Refactoring of snd_pcm_action(), simplification of PCM locking
   - Robustified sequecner auto-load functionality
   - New control API helpers and lots of cleanups along with them
   - Lots of kerneldoc fixes and cleanups

  USB-audio:
   - The mixer resume code was largely rewritten, and the devices with
     quirks are resumed properly.
   - New hardware support: Focusrite Scarlett, Digidesign Mbox1,
     Denon/Marantz DACs, Zoom R16/24

  FireWire:
   - DICE driver updates with better duplex and sync support, including
     MIDI support
   - New OXFW driver for Oxford Semiconductor FW970/971 chipset,
     including the previous LaCie Speakers device.  Fullduplex and MIDI
     support included as well as DICE driver.

  HD-audio:
   - Refactoring the driver-caps quirk handling in snd-hda-intel
   - More consistent control names representing the topology better
   - Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
     fix, ASUS Z99He laptop EAPD

  ASoC:
   - Conversion of AC'97 drivers to use regmap, bringing us closer to
     the removal of the ASoC level I/O code
   - Clean up a lot of old drivers that were open coding things that
     have subsequently been implemented in the core
   - Some DAPM performance improvements
   - Removal of the now seldom used CODEC mutex
   - Lots of updates for the newer Intel SoC support, including support
     for the DSP and some Cherrytrail and Braswell machine drivers
   - Support for Samsung boards using rt5631 as the CODEC
   - Removal of the obsolete AFEB9260 machine driver
   - Driver support for the TI TS3A227E headset driver used in some
     Chrombeooks

  Others:
   - ASIHPI driver update and cleanups
   - Lots of dev_*() printk conversions
   - Lots of trivial cleanups for the codes spotted by Coccinelle"

* tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (594 commits)
  ALSA: pcxhr: NULL dereference on probe failure
  ALSA: lola: NULL dereference on probe failure
  ALSA: hda - Add "eapd" model string for AD1986A codec
  ALSA: hda - Add EAPD fixup for ASUS Z99He laptop
  ALSA: oxfw: Add hwdep interface
  ALSA: oxfw: Add support for capture/playback MIDI messages
  ALSA: oxfw: add support for capturing PCM samples
  ALSA: oxfw: Add support AMDTP in-stream
  ALSA: oxfw: Add support for Behringer/Mackie devices
  ALSA: oxfw: Change the way to start stream
  ALSA: oxfw: Add proc interface for debugging purpose
  ALSA: oxfw: Change the way to make PCM rules/constraints
  ALSA: oxfw: Add support for AV/C stream format command to get/set supported stream formation
  ALSA: oxfw: Change the way to name card
  ALSA: dice: Add support for MIDI capture/playback
  ALSA: dice: Add support for capturing PCM samples
  ALSA: dice: Support for non SYT-Match sampling clock source mode
  ALSA: dice: Add support for duplex streams with synchronization
  ALSA: dice: Change the way to start stream
  ALSA: jack: Add dummy snd_jack_set_key() definition
  ...
2014-12-11 13:20:50 -08:00
Laurent Pinchart f41c2581bc drm/doc: Document drm_add_modes_noedid() usage
And fix a spelling mistake.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-11 10:28:41 +10:00
Dave Airlie da9df2f410 Merge tag 'topic/core-stuff-2014-12-10' of git://anongit.freedesktop.org/drm-intel into drm-next
Merge drm core fixes from Daniel.

* tag 'topic/core-stuff-2014-12-10' of git://anongit.freedesktop.org/drm-intel:
  drm: Zero out DRM object memory upon cleanup
  drm: fix a typo in a comment
  drm: fix a word repetition in a comment
  drm: Fix memory leak at error path of drm_read()
  drm/Documentation: Fix rowspan value in drm-kms-properties
  drm/edid: Restore kerneldoc consistency
  drm/edid: new drm_edid_block_checksum helper function V3
  drm/edid: shorten log output in case of all zeroes edid block
  drm/edid: move drm_edid_is_zero to top, make edid argument const
2014-12-11 10:12:57 +10:00
Dave Airlie 6f134d7bb4 drm/tile: expose the tile property to userspace (v3)
This takes the tiling info from the connector and
exposes it to userspace, as a blob object in a
connector property.

The contents of the blob is ABI.

v2: add property + function documentation.

v3: move property setup from previous patch.
add boilerplate + fix long line (Daniel)

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-09 09:56:48 +10:00
Dave Airlie 138f9ebb97 drm: add tile_group support. (v3)
A tile group is an identifier shared by a single monitor,
DisplayID topology has 8 bytes we can use for this, just
use those for now until something else comes up in the
future. We assign these to an idr and use the idr to
tell userspace what connectors are in the same tile group.

DisplayID v1.3 says the serial number must be unique for
displays from the same manufacturer.

v2:
destroy idr (dvdhrm)
add docbook (danvet)
airlied:- not sure how to make docbook add fns to tile group section.

v3: fix missing unlock.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-09 09:56:46 +10:00
Sakari Ailus 8af0345926 [media] v4l: Add input and output capability flags for native size setting
Add input and output capability flags for setting native size of the device,
and document them.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 12:38:09 -02:00
Sakari Ailus 0b4bc768dc [media] v4l: Add V4L2_SEL_TGT_NATIVE_SIZE selection target
The V4L2_SEL_TGT_NATIVE_SIZE target is used to denote e.g. the size of a
sensor's pixel array.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 12:37:01 -02:00
Sakari Ailus 6936d74fb5 [media] v4l: Clean up sub-device format documentation
The sub-device format documentation documented scaling configuration through
formats. Instead the compose selection rectangle is elsewhere documented to
be used for the purpose. Remove scaling related part of the documentation.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 12:36:05 -02:00
Sean Paul e2beb6cd5d drm/Documentation: Fix rowspan value in drm-kms-properties
The "DRM" rowspan wasn't updated in commit cc7096fb6d (drm/mode: document path
property and function to set it. (v1.1)), so increment it by one to fix the
table.

Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-12-04 11:03:23 +01:00
Dave Airlie 26045b53c9 Merge tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm-intel into drm-next
drm-intel-next-2014-11-21:
- infoframe tracking (for fastboot) from Jesse
- start of the dri1/ums support removal
- vlv forcewake timeout fixes (Imre)
- bunch of patches to polish the rps code (Imre) and improve it on bdw (Tom
  O'Rourke)
- on-demand pinning for execlist contexts
- vlv/chv backlight improvements (Ville)
- gen8+ render ctx w/a work from various people
- skl edp programming (Satheeshakrishna et al.)
- psr docbook (Rodrigo)
- piles of little fixes and improvements all over, as usual

* tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm-intel: (117 commits)
  drm/i915: Don't pin LRC in GGTT when dumping in debugfs
  drm/i915: Update DRIVER_DATE to 20141121
  drm/i915/g4x: fix g4x infoframe readout
  drm/i915: Only call mod_timer() if not already pending
  drm/i915: Don't rely upon encoder->type for infoframe hw state readout
  drm/i915: remove the IRQs enabled WARN from intel_disable_gt_powersave
  drm/i915: Use ggtt error obj capture helper for gen8 semaphores
  drm/i915: vlv: increase timeout when setting idle GPU freq
  drm/i915: vlv: fix cdclk setting during modeset while suspended
  drm/i915: Dump hdmi pipe_config state
  drm/i915: Gen9 shadowed registers
  drm/i915/skl: Gen9 multi-engine forcewake
  drm/i915: Read power well status before other registers for drpc info
  drm/i915: Pin tiled objects for L-shaped configs
  drm/i915: Update ring freq for full gpu freq range
  drm/i915: change initial rps frequency for gen8
  drm/i915: Keep min freq above floor on HSW/BDW
  drm/i915: Use efficient frequency for HSW/BDW
  drm/i915: Can i915_gem_init_ioctl
  drm/i915: Sanitize ->lastclose
  ...
2014-12-03 08:25:59 +10:00
Hans Verkuil 1afed88381 [media] DocBook media: rewrite the Colorspace chapter
The colorspace chapter in the V4L2 Specification was always poorly
written. This patch rewrites it, documenting the new Y'CbCr encoding
and quantization defines and going into much more detail with respect
to how colorspaces are used and what it all means.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-01 15:40:29 -02:00
Rob Clark dd275956aa drm/atomic: add plane iterator macros
Add helper macros to iterate the current, or incoming set of planes
attached to a crtc.  These helpers are only available for drivers
converted to use atomic-helpers.

Signed-off-by: Rob Clark <robdclark@gmail.com>
[danvet: Squash in fixup from Rob to move the planemask iterator to
drm_crtc.h and document it. That one is needed by the atomic ioctl so
can't be in a helper library.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-27 15:39:09 +01:00
Takashi Iwai a69862d8d0 Merge branch 'for-linus' into test/usb-resume 2014-11-20 21:46:04 +01:00
Daniel Vetter 54499b2a92 Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued
So with all the code movement and extraction in intel_pm.c in -next
git is hopelessly confused with

commit 2208d655a9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Nov 14 09:25:29 2014 +0100

    drm/i915: drop WaSetupGtModeTdRowDispatch:snb

from -fixes. Worse even small changes in -next move around the
conflict context so rerere is equally useless. Let's just backmerge
and be done with it.

Conflicts:
	drivers/gpu/drm/i915/i915_drv.c
	drivers/gpu/drm/i915/intel_pm.c

Except for git getting lost no tricky conflicts really.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2014-11-19 18:17:38 +01:00
Rodrigo Vivi b2b89f55df drm/i915: Add PSR docbook
Let's document PSR a bit. No functional changes.

v2: Add actual DocBook entry and accept Daniel's improvements.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-17 19:13:24 +01:00
Dave Airlie ca5a71de48 drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input
Some drivers erroneously treat the .pitch and .size fields of struct
 drm_mode_create_dumb as inputs. While the include/uapi/drm/drm_mode.h
 header has a comment denoting them as outputs, that seemingly wasn't
 enough to make drivers use them properly.
 
 The result is that some userspace doesn't explicitly zero out those
 fields, assuming that the kernel won't use them. That causes problems
 since the data within the structure might be uninitialized, so bogus
 data may end up confusing drivers (ridiculously large values for the
 pitch, ...).
 
 This series attempts to improve the situation by fixing all drivers to
 not use the output fields. Furthermore to spare new drivers this bad
 surprise, the DRM core now zeros out these fields prior to handing the
 data structure to the driver.
 
 Lessons learned from this are that future IOCTLs should be properly
 documented (in the DRM DocBook for example) and should be rigorously
 defined. To prevent misuse like this, userspace should be required to
 zero out all output fields. The kernel should check for this and fail
 if that's not the case.
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Merge tag 'drm/gem-cma/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux into drm-next

drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input

Some drivers erroneously treat the .pitch and .size fields of struct
drm_mode_create_dumb as inputs. While the include/uapi/drm/drm_mode.h
header has a comment denoting them as outputs, that seemingly wasn't
enough to make drivers use them properly.

The result is that some userspace doesn't explicitly zero out those
fields, assuming that the kernel won't use them. That causes problems
since the data within the structure might be uninitialized, so bogus
data may end up confusing drivers (ridiculously large values for the
pitch, ...).

This series attempts to improve the situation by fixing all drivers to
not use the output fields. Furthermore to spare new drivers this bad
surprise, the DRM core now zeros out these fields prior to handing the
data structure to the driver.

Lessons learned from this are that future IOCTLs should be properly
documented (in the DRM DocBook for example) and should be rigorously
defined. To prevent misuse like this, userspace should be required to
zero out all output fields. The kernel should check for this and fail
if that's not the case.

* tag 'drm/gem-cma/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux:
  drm/cma: Remove call to drm_gem_free_mmap_offset()
  drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input
  drm/rcar: gem: dumb: pitch is an output
  drm/omap: gem: dumb: pitch is an output
  drm/cma: Introduce drm_gem_cma_dumb_create_internal()
  drm/doc: Add GEM/CMA helpers to kerneldoc
  drm/doc: mm: Fix indentation
  drm/gem: Fix a few kerneldoc typos
2014-11-15 09:50:21 +10:00
Dave Airlie 5bb2bbf596 drm: add properties for suggested x/y offset for connectors. (v2)
Virtual GPUs would like to give the guest some indication where on the screen
the outputs are layed out. So far we only provide modes, these
properties could be exposed to userspace so the desktop environment
could use them as hints to set the correct offsets.

v2: rename properties to be more consistent.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-11-15 09:43:23 +10:00
Dave Airlie 8aa3dc3c17 drm/panel: Changes for v3.19-rc1
This contains support for a couple of new panels, updates for some GPIO
 API changes and a bunch of updates to the MIPI DSI support that should
 make it easier to write panel drivers in the future.
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Merge tag 'drm/panel/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux into drm-next

drm/panel: Changes for v3.19-rc1

This contains support for a couple of new panels, updates for some GPIO
API changes and a bunch of updates to the MIPI DSI support that should
make it easier to write panel drivers in the future.

* tag 'drm/panel/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux: (31 commits)
  drm/panel: Add Sharp LQ101R1SX01 support
  drm/dsi: Do not require .owner field to be set
  drm/dsi: Resolve MIPI DSI device from phandle
  drm/dsi: Implement DCS set_{column,page}_address commands
  drm/dsi: Implement DCS {get,set}_pixel_format commands
  drm/dsi: Implement DCS get_power_mode command
  drm/dsi: Implement DCS soft_reset command
  drm/dsi: Implement DCS nop command
  drm/dsi: Add to DocBook documentation
  drm/dsi: Implement some standard DCS commands
  drm/dsi: Implement generic read and write commands
  drm/panel: s6e8aa0: Use standard MIPI DSI function
  drm/dsi: Add mipi_dsi_set_maximum_return_packet_size() helper
  drm/dsi: Constify mipi_dsi_msg
  drm/dsi: Make mipi_dsi_dcs_{read,write}() symmetrical
  drm/dsi: Add DSI transfer helper
  drm/dsi: Add message to packet translator
  drm/dsi: Introduce packet format helpers
  drm/panel: s6e8aa0: Fix build warnings on 64-bit
  drm/panel: ld9040: Fix build warnings on 64-bit
  ...
2014-11-15 09:36:13 +10:00
Dave Airlie fd172d0c47 Merge tag 'drm-intel-next-2014-11-07-fixups' of git://anongit.freedesktop.org/drm-intel into drm-next
- skl watermarks code (Damien, Vandana, Pradeep)
- reworked audio codec /eld handling code (Jani)
- rework the mmio_flip code to use the vblank evade logic and wait for rendering
  using the standard wait_seqno interface (Ander)
- skl forcewake support (Zhe Wang)
- refactor the chv interrupt code to use functions shared with vlv (Ville)
- prep work for different global gtt views (Tvrtko Ursulin)
- precompute the display PLL config before touching hw state (Ander)
- completely reworked panel power sequencer code for chv/vlv (Ville)
- pre work to split the plane update code into a prepare and commit phase
  (Gustavo Padovan)
- golden context for skl (Armin Reese)
- as usual tons of fixes and improvements all over

* tag 'drm-intel-next-2014-11-07-fixups' of git://anongit.freedesktop.org/drm-intel: (135 commits)
  drm/i915: Use correct pipe config to update pll dividers. V2
  drm/i915: Plug memory leak in intel_shared_dpll_start_config()
  drm/i915: Update DRIVER_DATE to 20141107
  drm/i915: Add gen to the gpu hang ecode
  drm/i915: Cache HPLL frequency on VLV/CHV
  Revert "drm/i915/vlv: Remove check for Old Ack during forcewake"
  drm/i915: Make mmio flip wait for seqno in the work function
  drm/i915: Make __wait_seqno non-static and rename to __i915_wait_seqno
  drm/i915: Move the .global_resources() hook call into modeset_update_crtc_power_domains()
  drm/i915/audio: add DOC comment describing HDA over HDMI/DP
  drm/i915: make pipe/port based audio valid accessors easier to use
  drm/i915/audio: add audio codec enable debug log for g4x
  drm/i915/audio: add audio codec disable on g4x
  drm/i915: enable audio codec after port
  drm/i915/audio: add vlv/chv/gen5-7 audio codec disable sequence
  drm/i915/audio: rewrite vlv/chv and gen 5-7 audio codec enable sequence
  drm/i915/skl: Enable Gen9 RC6
  drm/i915/skl: Gen9 Forcewake
  drm/i915/skl: Log the order in which we flush the pipes in the WM code
  drm/i915/skl: Flush the WM configuration
  ...
2014-11-15 09:33:40 +10:00
Boris BREZILLON 55b8cbf75f [media] v4l: Update subdev-formats doc with new MEDIA_BUS_FMT values
In order to have subsytem agnostic media bus format definitions we've
moved media bus definition to include/uapi/linux/media-bus-format.h and
prefixed them with MEDIA_BUS_FMT instead of V4L2_MBUS_FMT.

Update the v4l documentation accordingly.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-14 17:50:48 -02:00
Daniele Ceraolo Spurio 198c974d7e drm/i915: Add tracepoints to track a vm during its lifetime
- ppgtt init/release: these tracepoints are useful for observing the
  creation and destruction of Full PPGTTs.

- ctx create/free: we can use the ctx_free trace in combination with the
  ppgtt_release one to be sure that the ppgtt doesn't stay alive for too
  long after the ctx is destroyed. ctx_create is there for simmetry

- switch_mm: important point in the lifetime of the vm

v4: add DOC information
v5: pull the DOC in drm.tmpl
v6: clean ppgtt init/release traces + add ctx create/free and switch_mm
    tracepoints (Chris)
v7: drop execlist_submit_context tracepoint

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-14 10:29:13 +01:00
Stephan Mueller e9a44230db crypto: doc - compile crypto API spec
Add the crypto API documentation into the DocBook Makefile to allow it
being compiled

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-11-13 22:31:37 +08:00
Stephan Mueller 7d12993ed8 crypto: doc - crypto API high level spec
The design of the kernel crypto API as well as hints to program with
the kernel crypto API are given.

The documentation contains:
 * design aspects of crypto API
 * develper specific hints
 * references to the API function description
 * source code examples

CC: Marek Vasut <marex@denx.de>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-11-13 22:31:36 +08:00
Thierry Reding 009081e087 drm/dsi: Add to DocBook documentation
Integrate the MIPI DSI helpers into DocBook and clean up various
kerneldoc warnings. Also add a brief DOC section and clarify some
aspects of the mipi_dsi_host struct's .transfer() operation.

Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-11-13 13:55:57 +01:00
Thierry Reding d7883f8759 drm/doc: Add GEM/CMA helpers to kerneldoc
Most of the functions already have the beginnings of kerneldoc comments
but are using the wrong opening marker. Use the correct opening marker
and flesh out the comments so that they can be integrated with the DRM
DocBook document.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-11-13 13:27:13 +01:00
Thierry Reding 790581003a drm/doc: mm: Fix indentation
Use spaces consistently for indentation in the memory-management
section.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-11-13 13:27:11 +01:00
Dave Airlie 51b44eb17b Linux 3.18-rc4
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Merge tag 'v3.18-rc4' into drm-next

backmerge to get vmwgfx locking changes into next as the
conflict with per-plane locking.
2014-11-12 17:53:30 +10:00
Mauro Carvalho Chehab 47a09af68b Merge tag 'v3.18-rc4' into patchwork
Needed due to some important regression fixes at RC core.

* commit 'v3.18-rc4': (587 commits)
  Linux 3.18-rc4
  ARM: dts: zynq: Enable PL clocks for Parallella
  tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
  tiny: reverse logic for DISABLE_DEV_COREDUMP
  i2c: core: Dispose OF IRQ mapping at client removal time
  i2c: at91: don't account as iowait
  i2c: remove FSF address
  USB: Update default usb-storage delay_use value in kernel-parameters.txt
  sysfs: driver core: Fix glue dir race condition by gdp_mutex
  MIPS: Fix build with binutils 2.24.51+
  xfs: track bulkstat progress by agino
  xfs: bulkstat error handling is broken
  xfs: bulkstat main loop logic is a mess
  xfs: bulkstat chunk-formatter has issues
  xfs: bulkstat chunk formatting cursor is broken
  xfs: bulkstat btree walk doesn't terminate
  mm: Fix comment before truncate_setsize()
  USB: cdc-acm: add quirk for control-line state requests
  tty: Fix pty master poll() after slave closes v2
  MIPS: R3000: Fix debug output for Virtual page number
  ...

Conflicts:
	drivers/media/rc/rc-main.c
2014-11-11 08:37:35 -02:00
Daniel Vetter eb84f976c8 Merge remote-tracking branch 'airlied/drm-next' into HEAD
Backmerge drm-next so that I can keep merging patches. Specifically I
want:
- atomic stuff, yay!
- eld parsing patch from Jani.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2014-11-10 10:55:35 +01:00
Dave Airlie cc7096fb6d drm/mode: document path property and function to set it. (v1.1)
These two didn't get documented properly, do so.

Pointed out by Daniel.

v1.1: add missing boilerplate (Daniel)

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-11-10 10:21:14 +10:00
Dave Airlie 122387a53e Merge tag 'topic/atomic-helpers-2014-11-09' of git://anongit.freedesktop.org/drm-intel into drm-next
So here's my atomic series, finally all debugged&reviewed. Sean Paul has
done a full detailed pass over it all, and a lot of other people have
commented and provided feedback on some parts. Rob Clark also converted
msm over the w/e and seems happy. The only small thing is that Rob wants
to export the wait_for_vblank, which imo makes sense. Since there's other
stuff still to do I think we should apply Rob's patch (once it has grown
appropriate kerneldoc) later on top of this.

This is just the core<->driver interface plus a big pile of helpers. Short
recap of the main ideas:

- There are essentially three helper libraries in this patch set:

  * Transitional helpers to use the new plane callbacks for legacy plane
    updates and in the crtc helper's ->mode_set callback. These helpers are
    only temporarily used to convert drivers to atomic, but they allow a
    nice separation between changing the driver backend and switching to
    the atomic commit logic.

  * Legacy helpers to implement all the legacy driver entry points
    (page_flip, set_config, plane vfuncs) on top of the new atomic driver
    interface. These are completely driver agnostic. The reason for having
    the legacy support as helpers is that drivers can switch step-by-step.
    And they could e.g. even keep the legacy page_flip code around for some
    old platforms where converting to full-blown atomic isn't worth it.

  * Atomic helpers which implement the various new ->atomic_* driver
    interfaces in terms of the revised crtc helper and new plane helper
    hooks.

- The revised crtc helper implemenation essentially implements all the
  lessons learned in the i915 modeset rework (when using the atomic helpers
  only):

  * Enable/disable sequence for a given config are always the same and
    callbacks are always called in the same order. This contrast starkly
    with the crtc helpers, where the sequence of operations is heavily
    dependent on the previous config.

    One corollary of this is that if the configuration of a crtc only
    partially changes (e.g. a connector moves in a cloned config) the
    helper code will still disable/enable the full display pipeline. This
    is the only way to ensure that the enable/disable sequence is always
    the same.

  * It won't call disable or enable hooks more than once any more because
    it lost track of state, thanks to the atomic state tracking. And if
    drivers implement the ->reset hook properly (by either resetting the hw
    or reading out the hw state into the atomic structures) this even
    extends to the hardware state. So no more disable-me-harder kind of
    nonsense.

  * The only thing missing is the hw state readout/cross-check support, but
    if drivers have hw state readout support in their ->reset handlers it's
    simple to extend that to cross-check the hw state.

  * The crtc->mode_set callback is gone and its replacement only sets crtc
    timings and no longer updates the primary plane state. This way we can
    finally implement primary planes properly.

- The new plane helpers should be suitable enough for pretty much
  everything, and a perfect fit for hardware with GO bits. Even if they
  don't fit the atomic helper library is rather flexible and exports all
  the functions for the individual steps to drivers. So drivers can pick
  what matches and implement their own magic for everything else.

- A big difference compared to all previous atomic series is that this one
  doesn't implement async commit in a generic way. Imo driver requirements
  for that are too diverse to create anything reasonable sane which would
  actually work on a reasonable amount of different drivers. Also, we've
  never had a helper library for page_flips even, so it's really hard to
  know what might work and what's stupid without a bit of experience in the form
  of a few driver implementations.

  I think with the current flexibility for drivers to pick individual
  stages and existing helpers like drm_flip_queue it's rather easy though
  to implement proper async commit.

- There's a few other differences of minor importance to earlier atomic
  series:

  * Common/generic properties are parsed in the callers/core and not in
    drivers, and passed to drivers by directly setting the right members in
    atomic state structures. That greatly simplifies all the transitional
    and legacy helpers an removes a lot of boilerplate code.

  * There's no crazy trylock mode used for the async commit since these
    helpers don't do async commit. A simple ordered flip queue of atomic
    state updates should be sufficient for preventing concurrent hw access
    anyway, as long as synchronous updates stall correctly with e.g.
    flush_work_queue or similar function. Abusing locks to enforce ordering
    isn't a good idea imo anyway.

  * These helpers reuse the existing ->mode_fixup hooks in the atomic_check
    callback. Which means that drivers need to adapat and move a lot less code
    into their atomic_check callbacks.

Now this isn't everything needed in the drm core and helpers for full
atomic support. But it's enough to start with converting drivers, and
except for actually testing multiplane and multicrtc updates also enough to
implement full atomic updates. Still missing are:

- Per-plane locking. Since these helpers here encapsulate the locking
  completely this should be fairly easy to implement.

- fbdev support for atomic_check/commit, so that multi-pipe finally works
  sanely in fbcon.

- Adding and decoding shared/core properties. That just needs to be rebased
  from Rob's latest patch series, with minor adjustments so that the
  decoding happens in the core instead of in drivers.

- Actually adding the atomic ioctl. Again just rebasing Rob's latest patch
  should be all that's needed.

- Resolving how to deal with DPMS in atomic. Atomic is a good excuse to fix up
  the crazy semantics dpms currently has. I'm floating an RFC about this topic
  already.

- Finally I couldn't test connector/encoder stealing properly since my test
  vehicle here doesn't allow a connector on different crtcs. So drivers
  which support this might see some surprises in that area. There is no semantic
  change though in how encoder stealing and assignment works (or at least no
  intended one), so I think the risk is minimal.

As just mentioned I've done a fake conversion of an existing driver using
crtc helpers to debug the helper code and validate the smooth transition
approach. And that smooth transition was the really big motivation for
this. It seems to actually work and consists of 3 phases:

Phase 1: Rework driver backend for crtc/plane helpers

The requirement here is that universal plane support is already implement. If
universal plane support isn't implement yet it might be better though to just do
it as part of this phase, directly using the new plane helpers. There are two
big things to do:

- Split up the existing ->update/disable_plane hooks into check/commit
  hooks and extract the crtc-wide prep/flush parts (like setting/clearing
  GO bits).

- The other big change is to split the crtc->mode_set hook into the plane
  update (done using the plane helpers) and the crtc setup in a new
  ->mode_set_nofb hook.

When phase 1 is complete the driver implements all the new callbacks which
push the software state into hardware, but still using all the legacy entry
points and crtc helpers. The transitional helpers serve as impendance
mismatch here.

Phase 2: Rework state handling

This consists of rolling out the state handling helpers for planes, crtcs
and connectors and reviewing all ->mode_fixup and similar hooks to make
sure they don't depend upon implicit global state which might change in the
atomic world. Any such code must be moved into ->atomic_check functions which
just rely on the free-standing atomic state update structures.

This phase also adds a few small pieces of fixup code to make sure the
atomic state doesn't get out of sync in the legacy driver callbacks.

Phase 3: Roll out atomic support

Now it's just about replacing vfuncs with the ones provided by the helper
and filling out the small missing pieces (like atomic_check logic or async
commit support needed for page_flips). Due to the prep work in phase 1 no
changes to the driver backend functions should be required, and because of
the prep work in phase 2 atomic implementations can be rolled out
step-by-step. So if async commit ins't implemented yet page_flip can be
implemented with the legacy functions without wreaking havoc in the other
operations.

* tag 'topic/atomic-helpers-2014-11-09' of git://anongit.freedesktop.org/drm-intel:
  drm/atomic: Refcounting for plane_state->fb
  drm: Docbook integration and over sections for all the new helpers
  drm/atomic-helpers: functions for state duplicate/destroy/reset
  drm/atomic-helper: implement ->page_flip
  drm/atomic-helpers: document how to implement async commit
  drm/atomic: Integrate fence support
  drm/atomic-helper: implementatations for legacy interfaces
  drm: Atomic crtc/connector updates using crtc/plane helper interfaces
  drm/crtc-helper: Transitional functions using atomic plane helpers
  drm/plane-helper: transitional atomic plane helpers
  drm: Add atomic/plane helpers
  drm: Global atomic state handling
  drm: Add atomic driver interface definitions for objects
  drm/modeset_lock: document trylock_only in kerneldoc
  drm: fixup kerneldoc in drm_crtc.h
  drm: Pull drm_crtc.h into the kerneldoc template
  drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h
2014-11-10 09:59:16 +10:00
Cristian Stoica e0f1147cc9 uio: support memory sizes larger than 32 bits
This is a completion to 27a90700a4
The size field is also increased to allow values larger than 32 bits
on platforms that have more than 32 bit physical addresses.

Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07 10:09:07 -08:00
Jani Nikula 28855d2ac3 drm/i915/audio: add DOC comment describing HDA over HDMI/DP
v2: include the section in the drm docbook.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-07 18:42:19 +01:00
Daniel Vetter 3150c7d0c6 drm: Docbook integration and over sections for all the new helpers
In all cases the text requires that new drivers are converted to the
atomic interfaces.

v2: Add overview for state handling.

v3: Review from Sean: Some spelling fixes and drop the misguided
hunk to remove rgba8888 from the plane helpers compat list.

Cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-06 21:08:32 +01:00
Daniel Vetter cc4ceb484b drm: Global atomic state handling
Some differences compared to Rob's patches again:
- Dropped the committed and checked booleans. Checking will be
  internally enforced by always calling ->atomic_check before
  ->atomic_commit. And async handling needs to be solved differently
  because the current scheme completely side-steps ww mutex deadlock
  avoidance (and so either reinvents a new deadlock avoidance wheel or
  like the current code just deadlocks).

- State for connectors needed to be added, since now they have a
  full-blown drm_connector_state (so that drivers have something to
  attach their own stuff to).

- Refcounting is gone. I plane to solve async updates differently,
  since the lock-passing scheme doesn't cut it (since it abuses ww
  mutexes). Essentially what we need for async is a simple ownership
  transfer from the caller to the driver. That doesn't need full-blown
  refcounting.

- The acquire ctx is a pointer. Real atomic callers should have that
  on their stack, legacy entry points need to put the right one
  (obtained by drm_modeset_legacy_acuire_ctx) in there.

- I've dropped all hooks except check/commit. All the begin/end
  handling is done by core functions and is the same.

- commit/check are just thin wrappers that ensure that ->check is
  always called.

- To help out with locking in the legacy implementations I've added a
  helper to just grab all locks in the backoff case.

v2: Add notices that check/commit can fail with EDEADLK.

v3:
- More consistent naming for state_alloc.
- Add state_clear which is needed for backoff and retry.

v4: Planes/connectors can switch between crtcs, and we need to be
careful that we grab the state (and locks) for both the old and new
crtc. Improve the interface functions to ensure this.

v5: Add functions to grab affected connectors for a crtc and to recompute
the crtc->enable state. This is useful for both helper and atomic ioctl
code when e.g. removing a connector.

v6: Squash in fixup from Fengguang to use ERR_CAST.

v7: Add debug output.

v8: Make checkpatch happy about kcalloc argument ordering.

v9: Improve kerneldoc in drm_crtc.h

v10:
- Fix another kcalloc argument misorder I've missed.
- More polish for kerneldoc.

v11: Clarify the ownership rules for the state object. The new rule is
that a successful drm_atomic_commit (whether synchronous or asnyc)
always inherits the state and is responsible for the clean-up. That
way async and sync ->commit functions are more similar.

v12: A few bugfixes:
- Assign state->state pointers correctly when grabbing state objects -
  we need to link them up with the global state.
- Handle a NULL crtc in set_crtc_for_plane to simplify code flow a bit
  for the callers of this function.

v13: Review from Sean:
- kerneldoc spelling fixes
- Don't overallocate states->planes.
- Handle NULL crtc in set_crtc_for_connector.

v14: Sprinkle __must_check over all functions which do wait/wound
locking to make sure callers don't forget this. Since I have ;-)

v15: Be more explicit in the kerneldoc when functions can return
-EDEADLK what to do. And that every other -errno is fatal.

v16: Indent with tabs instead of space, spotted by Ander.

v17: Review from Thierry, small kerneldoc and other naming polish.

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-05 18:05:36 +01:00
Daniel Vetter 3bf0401cdd drm: Pull drm_crtc.h into the kerneldoc template
While writing atomic docs I've noticed that I don't get any errors
for my screw-ups in drm_crtc.h. Fix this immediately.

This just does the bare minimum to get starts, lots of stuff isn't
properly documented yet unfortunately.

v2: Fix adjacent spelling error Sean noticed.

Reviewed-by: Sean Paul <seanpaul@chromium.org>
Cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-05 00:14:56 +01:00
Dave Airlie 041df3573d Merge tag 'drm-intel-next-2014-10-24' of git://anongit.freedesktop.org/drm-intel into drm-next
- suspend/resume/freeze/thaw unification from Imre
- wa list improvements from Mika&Arun
- display pll precomputation from Ander Conselvan, this removed the last
  ->mode_set callbacks, a big step towards implementing atomic modesets
- more kerneldoc for the interrupt code
- 180 rotation for cursors (Ville&Sonika)
- ULT/ULX feature check macros cleaned up thanks to Damien
- piles and piles of fixes all over, bug team seems to work!

* tag 'drm-intel-next-2014-10-24' of git://anongit.freedesktop.org/drm-intel: (61 commits)
  drm/i915: Update DRIVER_DATE to 20141024
  drm/i915: add comments on what stage a given PM handler is called
  drm/i915: unify switcheroo and legacy suspend/resume handlers
  drm/i915: add poweroff_late handler
  drm/i915: sanitize suspend/resume helper function names
  drm/i915: unify S3 and S4 suspend/resume handlers
  drm/i915: disable/re-enable PCI device around S4 freeze/thaw
  drm/i915: enable output polling during S4 thaw
  drm/i915: check for GT faults in all resume handlers and driver load time
  drm/i915: remove unused restore_gtt_mappings optimization during suspend
  drm/i915: fix S4 suspend while switcheroo state is off
  drm/i915: vlv: fix switcheroo/legacy suspend/resume
  drm/i915: propagate error from legacy resume handler
  drm/i915: unify legacy S3 suspend and S4 freeze handlers
  drm/i915: factor out i915_drm_suspend_late
  drm/i915: Emit even number of dwords when emitting LRIs
  drm/i915: Add rotation support for cursor plane (v5)
  drm/i915: Correctly reject invalid flags for wait_ioctl
  drm/i915: use macros to assign mmio access functions
  drm/i915: only run hsw_power_well_post_enable when really needed
  ...
2014-11-04 07:36:06 +10:00
Simon Farnsworth 9fd1f310a1 [media] DocBook media: Clarify V4L2_FIELD_ANY for drivers
Documentation for enum v4l2_field did not make it clear that V4L2_FIELD_ANY
is only acceptable as input to the kernel, not as a response from the
driver.

Make it clear, to stop userspace developers like me assuming it can be
returned by the driver.

Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-03 14:47:47 -02:00
Linus Torvalds 4f080f05e6 Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6
Pull documentation fixes from Jonathan Corbet:
 "So this is my first pull request since I rashly agreed to look after
  the documentation subtree.  It contains some typo fixes, a few minor
  documentation improvements, and, most importantly, fixes for a couple
  of build problems in various bits of sample code.

  I fully intend to start sending pull requests with signed tags.
  However, due to poor planning on my part and the general obnoxiousness
  of life, I'm 2000 miles away from my private key which is sitting on a
  powered-down machine.  This should be fixed before my next request.

  Meanwhile git.lwn.net is a machine under my control, the patches are
  all trivial, and all have done time in linux-next"

* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6:
  Documentation/SubmittingPatches: Reported-by tags and permission
  Documentation: remove outdated references to the linux-next wiki
  Documentation: Restrict TSC test code to x86
  doc: kernel-parameters.txt: Add ide-generic.probe-mask
  vdso: don't require 64-bit math in standalone test
  Documentation: Add CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF case
  Documentation: Add default kmemleak off case in kernel-parameters.txt
  Docs: Document that the sticky bit is understood by hugetlbfs
  DocBook: Reduce noise from make cleandocs
  Documentation: fix vdso_standalone_test_x86 on 32-bit
  Documentation: dt-bindings: Explain order in patch series
  Documentation/ABI/testing/sysfs-ibft: fix a typo
2014-10-31 11:55:40 -07:00
Takashi Iwai 67faa6ebd7 ALSA: doc: Fix missing "I" for kerneldoc inclusion
Fixes: 90446d0746 ('ALSA: doc: Add missing headers and compress stuff to alsa-driver-api.tmpl')
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-30 15:42:33 +01:00
Takashi Iwai 438f4e2801 ALSA: doc: Add ASoC codes into API documentation
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-30 12:44:00 +01:00
Mauro Carvalho Chehab a47959fbd5 [media] Documentation: FE_SET_PROPERTY requires R/W
FE_SET_PROPERTY requires to open the devnode on R/W mode, or
otherwise it will fail. Document it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 09:06:23 -02:00
Takashi Iwai 00dad6cfd2 ALSA: doc: Include uapi/sound/compress_*.h, too
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-29 08:23:31 +01:00
Takashi Iwai 90446d0746 ALSA: doc: Add missing headers and compress stuff to alsa-driver-api.tmpl
Some header files have kereldoc comments but are not referred
properly.  Let's add them.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-28 15:47:29 +01:00