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Merge tag 'sphinx-4.8' of git://git.lwn.net/linux into topic/drm-misc
Stable tag for sphinx work
Pull current state of the sphinx rework from Jonathan into drm-misc so
that we can start converting gpu.tmpl.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Provides helper functions for drivers that have a simple display
pipeline. Plane, crtc and encoder are collapsed into one entity.
Changes since v4:
- Remove drm_connector_register() call
- Forgot to assign pipe->connector
Changes since v3:
- (struct drm_simple_display_pipe *)->funcs should be const
Changes since v2:
- Drop Kconfig knob DRM_KMS_HELPER
- Expand documentation
Changes since v1:
- Add DOC header and add to gpu.tmpl
- Fix docs: @funcs is optional, "negative error code",
"This hook is optional."
- Add checks to drm_simple_kms_plane_atomic_check()
Cc: jsarha@ti.com
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465570559-14238-1-git-send-email-noralf@tronnes.org
As promised, piles of prep work all around:
- drm_atomic_state rework, prep for nonblocking commit helpers
- fence patches from Gustavo and Christian to prep for atomic fences and
some cool work in ttm/amdgpu from Christian
- drm event prep for both nonblocking commit and atomic fences
- Gustavo seems on a crusade against the non-kms-native version of the
vblank functions.
- prep work from Boris to nuke all the silly ->best_encoder
implementations we have (we really only need that for truly dynamic
cases like dvi-i vs dvi-d or dp mst selecting the right transcoder on
intel)
- prep work from Laurent to rework the format handling functions
- and few small things all over
* tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel: (47 commits)
drm/dsi: Implement set tear scanline
drm/fb_cma_helper: Implement fb_mmap callback
drm/qxl: Remove useless drm_fb_get_bpp_depth() call
drm/ast: Remove useless drm_fb_get_bpp_depth() call
drm/atomic: Fix remaining places where !funcs->best_encoder is valid
drm/core: Change declaration for gamma_set.
Documentation: add fence-array to kernel DocBook
drm/shmobile: use drm_crtc_vblank_{get,put}()
drm/radeon: use drm_crtc_vblank_{get,put}()
drm/qxl: use drm_crtc_vblank_{get,put}()
drm/atmel: use drm_crtc_vblank_{get,put}()
drm/armada: use drm_crtc_vblank_{get,put}()
drm/amdgpu: use drm_crtc_vblank_{get,put}()
drm/virtio: use drm_crtc_send_vblank_event()
drm/udl: use drm_crtc_send_vblank_event()
drm/qxl: use drm_crtc_send_vblank_event()
drm/atmel: use drm_crtc_send_vblank_event()
drm/armada: use drm_crtc_send_vblank_event()
drm/doc: Switch to sphinx/rst fixed-width quoting
drm/doc: Drop kerneldoc for static functions in drm_irq.c
...
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Backmerge tag 'v4.7-rc2' into drm-next
Daniel has a pull request that relies on stuff in fixes that are in rc2.
We need to get folks to run
$ make htmldocs
more often and actually check the output. With the fancy new sphinx
stuff there's hopefully no more excuses.
Fixes: 286dbb8d5d ("drm/atomic: Rename async parameter to nonblocking.")
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464729075-22243-4-git-send-email-daniel.vetter@ffwll.ch
Frist -misc pull for 4.8, with pretty much just random all over plus a few
more lockless gem BO patches acked/reviewed by driver maintainers.
I'm starting a bit earlier this time around because there's a few invasive
patch series to land (nonblocking atomic prep work, fence prep work,
rst/sphinx kerneldoc finally happening) and I need a baseline with all the
branches merged.
* tag 'topic/drm-misc-2016-06-01' of git://anongit.freedesktop.org/drm-intel: (21 commits)
drm/vc4: Use lockless gem BO free callback
drm/vc4: Use drm_gem_object_unreference_unlocked
drm: Initialize a linear gamma table by default
drm/vgem: Use lockless gem BO free callback
drm/qxl: Don't set a gamma table size
drm/msm: Nuke dummy gamma_set/get functions
drm/cirrus: Drop redundnant gamma size check
drm/fb-helper: Remove dead code in setcolreg
drm/mediatek: Use lockless gem BO free callback
drm/hisilicon: Use lockless gem BO free callback
drm/hlcd: Use lockless gem BO free callback
vga_switcheroo: Support deferred probing of audio clients
vga_switcheroo: Add helper for deferred probing
virtio-gpu: fix output lookup
drm/doc: Unify KMS Locking docs
drm/atomic-helper: Do not call ->mode_fixup for CRTC which will be disabled
Fix annoyingly awkward typo in drm_edid_load.c
drm/doc: Drop vblank_disable_allow wording
drm: use seqlock for vblank time/count
drm/mm: avoid possible null pointer dereference
...
Split out dma-buf related parts into their own section, add missing
files, and write a bit of overview about how it all fits together.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Add basic configuration and makefile to build documentation from any
.rst files under Documentation using Sphinx. For starters, there's just
the placeholder index.rst.
At the top level Makefile, hook Sphinx documentation targets alongside
(but independent of) the DocBook toolchain, having both be run on the
various 'make *docs' targets.
All Sphinx processing is placed into Documentation/Makefile.sphinx. Both
that and the Documentation/DocBook/Makefile are now expected to handle
all the documentation targets, explicitly ignoring them if they're not
relevant for that particular toolchain. The changes to the existing
DocBook Makefile are kept minimal.
There is graceful handling of missing Sphinx and rst2pdf (which is
needed for pdf output) by checking for the tool and python module,
respectively, with informative messages to the user.
If the Read the Docs theme (sphinx_rtd_theme) is available, use it, but
otherwise gracefully fall back to the Sphinx default theme, with an
informative message to the user, and slightly less pretty HTML output.
Sphinx can now handle htmldocs, pdfdocs (if rst2pdf is available),
epubdocs and xmldocs targets. The output documents are written into per
output type subdirectories under Documentation/output.
Finally, you can pass options to sphinx-build using the SPHINXBUILD make
variable. For example, 'make SPHINXOPTS=-v htmldocs' for more verbose
output from Sphinx.
This is based on the original work by Jonathan Corbet, but he probably
wouldn't recognize this as his own anymore.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
I see the main drm pull got merged, here's the first batch of fixes for
4.7 already. Fixes all around, a large portion cc: stable stuff.
[airlied: the DP++ stuff is a regression fix].
* tag 'drm-intel-next-fixes-2016-05-25' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Stop automatically retiring requests after a GPU hang
drm/i915: Unify intel_ring_begin()
drm/i915: Ignore stale wm register values on resume on ilk-bdw (v2)
drm/i915/psr: Try to program link training times correctly
drm/i915/bxt: Adjusting the error in horizontal timings retrieval
drm/i915: Don't leave old junk in ilk active watermarks on readout
drm/i915: s/DPPL/DPLL/ for SKL DPLLs
drm/i915: Fix gen8 semaphores id for legacy mode
drm/i915: Set crtc_state->lane_count for HDMI
drm/i915/BXT: Retrieving the horizontal timing for DSI
drm/i915: Protect gen7 irq_seqno_barrier with uncore lock
drm/i915: Re-enable GGTT earlier during resume on pre-gen6 platforms
drm/i915: Determine DP++ type 1 DVI adaptor presence based on VBT
drm/i915: Enable/disable TMDS output buffers in DP++ adaptor as needed
drm/i915: Respect DP++ adaptor TMDS clock limit
drm: Add helper for DP++ adaptors
Pull drm updates from Dave Airlie:
"Here's the main drm pull request for 4.7, it's been a busy one, and
I've been a bit more distracted in real life this merge window. Lots
more ARM drivers, not sure if it'll ever end. I think I've at least
one more coming the next merge window.
But changes are all over the place, support for AMD Polaris GPUs is in
here, some missing GM108 support for nouveau (found in some Lenovos),
a bunch of MST and skylake fixes.
I've also noticed a few fixes from Arnd in my inbox, that I'll try and
get in asap, but I didn't think they should hold this up.
New drivers:
- Hisilicon kirin display driver
- Mediatek MT8173 display driver
- ARC PGU - bitstreamer on Synopsys ARC SDP boards
- Allwinner A13 initial RGB output driver
- Analogix driver for DisplayPort IP found in exynos and rockchip
DRM Core:
- UAPI headers fixes and C++ safety
- DRM connector reference counting
- DisplayID mode parsing for Dell 5K monitors
- Removal of struct_mutex from drivers
- Connector registration cleanups
- MST robustness fixes
- MAINTAINERS updates
- Lockless GEM object freeing
- Generic fbdev deferred IO support
panel:
- Support for a bunch of new panels
i915:
- VBT refactoring
- PLL computation cleanups
- DSI support for BXT
- Color manager support
- More atomic patches
- GEM improvements
- GuC fw loading fixes
- DP detection fixes
- SKL GPU hang fixes
- Lots of BXT fixes
radeon/amdgpu:
- Initial Polaris support
- GPUVM/Scheduler/Clock/Power improvements
- ASYNC pageflip support
- New mesa feature support
nouveau:
- GM108 support
- Power sensor support improvements
- GR init + ucode fixes.
- Use GPU provided topology information
vmwgfx:
- Add host messaging support
gma500:
- Some cleanups and fixes
atmel:
- Bridge support
- Async atomic commit support
fsl-dcu:
- Timing controller for LCD support
- Pixel clock polarity support
rcar-du:
- Misc fixes
exynos:
- Pipeline clock support
- Exynoss4533 SoC support
- HW trigger mode support
- export HDMI_PHY clock
- DECON5433 fixes
- Use generic prime functions
- use DMA mapping APIs
rockchip:
- Lots of little fixes
vc4:
- Render node support
- Gamma ramp support
- DPI output support
msm:
- Mostly cleanups and fixes
- Conversion to generic struct fence
etnaviv:
- Fix for prime buffer handling
- Allow hangcheck to be coalesced with other wakeups
tegra:
- Gamme table size fix"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1050 commits)
drm/edid: add displayid detailed 1 timings to the modelist. (v1.1)
drm/edid: move displayid validation to it's own function.
drm/displayid: Iterate over all DisplayID blocks
drm/edid: move displayid tiled block parsing into separate function.
drm: Nuke ->vblank_disable_allowed
drm/vmwgfx: Report vmwgfx version to vmware.log
drm/vmwgfx: Add VMWare host messaging capability
drm/vmwgfx: Kill some lockdep warnings
drm/nouveau/gr/gf100-: fix race condition in fecs/gpccs ucode
drm/nouveau/core: recognise GM108 chipsets
drm/nouveau/gr/gm107-: fix touching non-existent ppcs in attrib cb setup
drm/nouveau/gr/gk104-: share implementation of ppc exception init
drm/nouveau/gr/gk104-: move rop_active_fbps init to nonctx
drm/nouveau/bios/pll: check BIT table version before trying to parse it
drm/nouveau/bios/pll: prevent oops when limits table can't be parsed
drm/nouveau/volt/gk104: round up in gk104_volt_set
drm/nouveau/fb/gm200: setup mmu debug buffer registers at init()
drm/nouveau/fb/gk20a,gm20b: setup mmu debug buffer registers at init()
drm/nouveau/fb/gf100-: allocate mmu debug buffers
drm/nouveau/fb: allow chipset-specific actions for oneinit()
...
Add a helper which aids in the identification of DP dual mode
(aka. DP++) adaptors. There are several types of adaptors
specified: type 1 DVI, type 1 HDMI, type 2 DVI, type 2 HDMI
Type 1 adaptors have a max TMDS clock limit of 165MHz, type 2 adaptors
may go as high as 300MHz and they provide a register informing the
source device what the actual limit is. Supposedly also type 1 adaptors
may optionally implement this register. This TMDS clock limit is the
main reason why we need to identify these adaptors.
Type 1 adaptors provide access to their internal registers and the sink
DDC bus through I2C. Type 2 adaptors provide this access both via I2C
and I2C-over-AUX. A type 2 source device may choose to implement either
of these methods. If a source device implements the I2C-over-AUX
method, then the driver will obviously need specific support for such
adaptors since the port is driven like an HDMI port, but DDC
communication happes over the AUX channel.
This helper should be enough to identify the adaptor type (some
type 1 DVI adaptors may be a slight exception) and the maximum TMDS
clock limit. Another feature that may be available is control over
the TMDS output buffers on the adaptor, possibly allowing for some
power saving when the TMDS link is down.
Other user controllable features that may be available in the adaptors
are downstream i2c bus speed control when using i2c-over-aux, and
some control over the CEC pin. I chose not to provide any helper
functions for those since I have no use for them in i915 at this time.
The rest of the registers in the adaptor are mostly just information,
eg. IEEE OUI, hardware and firmware revision, etc.
v2: Pass adaptor type to helper functions to ease driver implementation
Fix a bunch of typoes (Paulo)
Add DRM_DP_DUAL_MODE_UNKNOWN for the case where we don't (yet) know
the type (Paulo)
Reject 0x00 and 0xff DP_DUAL_MODE_MAX_TMDS_CLOCK values (Paulo)
Adjust drm_dp_dual_mode_detect() type2 vs. type1 detection to
ease future LSPCON enabling
Remove the unused DP_DUAL_MODE_LAST_RESERVED define
v3: Fix kernel doc function argument descriptions (Jani)
s/NONE/UNKNOWN/ in drm_dp_dual_mode_detect() docs
Add kernel doc for enum drm_dp_dual_mode_type
Actually build the docs
Fix more typoes
v4: Adjust code indentation of type2 adaptor detection (Shashank)
Add debug messages for failurs cases (Shashank)
v5: EXPORT_SYMBOL(drm_dp_dual_mode_read) (Paulo)
Cc: stable@vger.kernel.org
Cc: Tore Anderson <tore@fud.no>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com> (v4)
Link: http://patchwork.freedesktop.org/patch/msgid/1462542412-25533-1-git-send-email-ville.syrjala@linux.intel.com
(cherry picked from commit ede53344db)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Here's the big staging and iio driver update for 4.7-rc1.
I think we almost broke even with this release, only adding a few more
lines than we removed, which isn't bad overall given that there's a
bunch of new iio drivers added. The Lustre developers seem to have
woken up from their sleep and have been doing a great job in cleaning up
the code and pruning unused or old cruft, the filesystem is almost
readable :)
Other than that, just a lot of basic coding style cleanups in the churn.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver updates from Greg KH:
"Here's the big staging and iio driver update for 4.7-rc1.
I think we almost broke even with this release, only adding a few more
lines than we removed, which isn't bad overall given that there's a
bunch of new iio drivers added.
The Lustre developers seem to have woken up from their sleep and have
been doing a great job in cleaning up the code and pruning unused or
old cruft, the filesystem is almost readable :)
Other than that, just a lot of basic coding style cleanups in the
churn. All have been in linux-next for a while with no reported
issues"
* tag 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (938 commits)
Staging: emxx_udc: emxx_udc: fixed coding style issue
staging/gdm724x: fix "alignment should match open parenthesis" issues
staging/gdm724x: Fix avoid CamelCase
staging: unisys: rename misleading var ii with frag
staging: unisys: visorhba: switch success handling to error handling
staging: unisys: visorhba: main path needs to flow down the left margin
staging: unisys: visorinput: handle_locking_key() simplifications
staging: unisys: visorhba: fail gracefully for thread creation failures
staging: unisys: visornic: comment restructuring and removing bad diction
staging: unisys: fix format string %Lx to %llx for u64
staging: unisys: remove unused struct members
staging: unisys: visorchannel: correct variable misspelling
staging: unisys: visorhba: replace functionlike macro with function
staging: dgnc: Need to check for NULL of ch
staging: dgnc: remove redundant condition check
staging: dgnc: fix 'line over 80 characters'
staging: dgnc: clean up the dgnc_get_modem_info()
staging: lustre: lnet: enable configuration per NI interface
staging: lustre: o2iblnd: properly set ibr_why
staging: lustre: o2iblnd: remove last of kiblnd_tunables_fini
...
Merge updates from Andrew Morton:
- fsnotify fix
- poll() timeout fix
- a few scripts/ tweaks
- debugobjects updates
- the (small) ocfs2 queue
- Minor fixes to kernel/padata.c
- Maybe half of the MM queue
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits)
mm, page_alloc: restore the original nodemask if the fast path allocation failed
mm, page_alloc: uninline the bad page part of check_new_page()
mm, page_alloc: don't duplicate code in free_pcp_prepare
mm, page_alloc: defer debugging checks of pages allocated from the PCP
mm, page_alloc: defer debugging checks of freed pages until a PCP drain
cpuset: use static key better and convert to new API
mm, page_alloc: inline pageblock lookup in page free fast paths
mm, page_alloc: remove unnecessary variable from free_pcppages_bulk
mm, page_alloc: pull out side effects from free_pages_check
mm, page_alloc: un-inline the bad part of free_pages_check
mm, page_alloc: check multiple page fields with a single branch
mm, page_alloc: remove field from alloc_context
mm, page_alloc: avoid looking up the first zone in a zonelist twice
mm, page_alloc: shortcut watermark checks for order-0 pages
mm, page_alloc: reduce cost of fair zone allocation policy retry
mm, page_alloc: shorten the page allocator fast path
mm, page_alloc: check once if a zone has isolated pageblocks
mm, page_alloc: move __GFP_HARDWALL modifications out of the fastpath
mm, page_alloc: simplify last cpupid reset
mm, page_alloc: remove unnecessary initialisation from __alloc_pages_nodemask()
...
infrastructural work to allow documents to be written using restructured
text. Maybe someday, in a galaxy far far away, we'll be able to eliminate
the DocBook dependency and have a much better integrated set of kernel
docs. Someday.
Beyond that, there's a new document on security hardening from Kees, the
movement of some sample code over to samples/, a number of improvements to
the serial docs from Geert, and the usual collection of corrections, typo
fixes, etc.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux
Pull Documentation updates from Jon Corbet:
"A bit busier this time around.
The most interesting thing (IMO) this time around is some beginning
infrastructural work to allow documents to be written using
restructured text. Maybe someday, in a galaxy far far away, we'll be
able to eliminate the DocBook dependency and have a much better
integrated set of kernel docs. Someday.
Beyond that, there's a new document on security hardening from Kees,
the movement of some sample code over to samples/, a number of
improvements to the serial docs from Geert, and the usual collection
of corrections, typo fixes, etc"
* tag 'docs-for-linus' of git://git.lwn.net/linux: (55 commits)
doc: self-protection: provide initial details
serial: doc: Use port->state instead of info
serial: doc: Always refer to tty_port->mutex
Documentation: vm: Spelling s/paltform/platform/g
Documentation/memcg: update kmem limit doc as codes behavior
docproc: print a comment about autogeneration for rst output
docproc: add support for reStructuredText format via --rst option
docproc: abstract terminating lines at first space
docproc: abstract docproc directive detection
docproc: reduce unnecessary indentation
docproc: add variables for subcommand and filename
kernel-doc: use rst C domain directives and references for types
kernel-doc: produce RestructuredText output
kernel-doc: rewrite usage description, remove duplicated comments
Doc: correct the location of sysrq.c
Documentation: fix common spelling mistakes
samples: v4l: from Documentation to samples directory
samples: connector: from Documentation to samples directory
Documentation: xillybus: fix spelling mistake
Documentation: x86: fix spelling mistakes
...
Pull networking updates from David Miller:
"Highlights:
1) Support SPI based w5100 devices, from Akinobu Mita.
2) Partial Segmentation Offload, from Alexander Duyck.
3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.
4) Allow cls_flower stats offload, from Amir Vadai.
5) Implement bpf blinding, from Daniel Borkmann.
6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
actually using FASYNC these atomics are superfluous. From Eric
Dumazet.
7) Run TCP more preemptibly, also from Eric Dumazet.
8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
driver, from Gal Pressman.
9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.
10) Improve BPF usage documentation, from Jesper Dangaard Brouer.
11) Support tunneling offloads in qed, from Manish Chopra.
12) aRFS offloading in mlx5e, from Maor Gottlieb.
13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
Leitner.
14) Add MSG_EOR support to TCP, this allows controlling packet
coalescing on application record boundaries for more accurate
socket timestamp sampling. From Martin KaFai Lau.
15) Fix alignment of 64-bit netlink attributes across the board, from
Nicolas Dichtel.
16) Per-vlan stats in bridging, from Nikolay Aleksandrov.
17) Several conversions of drivers to ethtool ksettings, from Philippe
Reynes.
18) Checksum neutral ILA in ipv6, from Tom Herbert.
19) Factorize all of the various marvell dsa drivers into one, from
Vivien Didelot
20) Add VF support to qed driver, from Yuval Mintz"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
Revert "phy dp83867: Make rgmii parameters optional"
r8169: default to 64-bit DMA on recent PCIe chips
phy dp83867: Make rgmii parameters optional
phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
bpf: arm64: remove callee-save registers use for tmp registers
asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
switchdev: pass pointer to fib_info instead of copy
net_sched: close another race condition in tcf_mirred_release()
tipc: fix nametable publication field in nl compat
drivers: net: Don't print unpopulated net_device name
qed: add support for dcbx.
ravb: Add missing free_irq() calls to ravb_close()
qed: Remove a stray tab
net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
net: ethernet: fec-mpc52xx: use phydev from struct net_device
bpf, doc: fix typo on bpf_asm descriptions
stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
net: ethernet: fs-enet: use phydev from struct net_device
...
Hook up fb_cma_helper to DocBook. Remove mention of
CONFIG_FB_DEFERRED_IO in the docs, which was forgotten in the latest
version of the deferred_io patch.
Use & when referencing drm_mode_config_funcs in docs.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462982962-10530-3-git-send-email-noralf@tronnes.org
Write more complete kerneldoc comments for the DRM panel API and
integrate the helpers in the DRM DocBook reference.
Signed-off-by: Thierry Reding <treding@nvidia.com>drm/panel: Add helper for simple panel connector
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160506140137.GA4641@ulmo.ba.sec
Add description of ENOLINK error
Signed-off-by: Helen Mae Koike Fornazier <helen.koike@collabora.co.uk>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This fixes several spelling mistakes in the Documentation/ tree, which
are caught by checkpatch.pl's spell checking.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Since cfg80211 maintains separate BSS table entries for APs if the same
BSSID, SSID pair is seen on multiple channels, it is possible that it
can map the current_bss to a BSS entry on the wrong channel. This
current_bss will not get flushed unless disconnected and cfg80211
reports a wrong channel as the associated channel.
Fix this by introducing a new cfg80211_connect_bss() function which is
similar to cfg80211_connect_result(), but it includes an additional
parameter: the bss the STA is connected to. This allows drivers to
provide the exact bss entry that matches the BSS to which the connection
was completed.
Reviewed-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Drop the 'experimental' annotations. The only remaining part of the API
that is still marked 'experimental' are the debug ioctls/structs, and
that is intentional. Only the v4l2-dbg application should use those.
All others have been around for years, so it is time to drop the
'experimental' designation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This makes it easier to share this code with any driver that needs to
manipulate the v4l2_rect datastructure.
Signed-off-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>
The DV_TIMINGS_CAP documentation didn't state clearly that the pad and
reserved fields should be zeroed by the application. For subdev pad can
be other values as well.
It also mistakenly said that only drivers would have to zero the reserved
field, that's not correct.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The ENUM_DV_TIMINGS documentation did not clearly state that the pad and reserved
fields should be zeroed (pad only when used with a video device node).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The G/S_EDID documentation did not explicitly state that the reserved array
should be zeroed by the application.
Also add the missing VIDIOC_SUBDEV_G/S_EDID ioctl names to the header.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This enum is already perfectly aliased to enum nl80211_band, and
the only reason for it is that we get IEEE80211_NUM_BANDS out of
it. There's no really good reason to not declare the number of
bands in nl80211 though, so do that and remove the cfg80211 one.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Merge tag 'v4.6-rc3' into drm-intel-next-queued
Linux 4.6-rc3
Backmerge requested by Chris Wilson to make his patches apply cleanly.
Tiny conflict in vmalloc.c with the (properly acked and all) patch in
drm-intel-next:
commit 4da56b99d9
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Apr 4 14:46:42 2016 +0100
mm/vmap: Add a notifier for when we run out of vmap address space
and Linus' tree.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
- VBT code refactor for a clean split between parsing&using of firmware
information (Jani)
- untangle the pll computation code, and splitting up the monster
i9xx_crtc_compute_clocks (Ander)
- dsi support for bxt (Jani, Shashank Sharma and others)
- color manager (i.e. de-gamma, color conversion matrix & gamma support) from
Lionel Landwerlin
- Vulkan hsw support in the command parser (Jordan Justen)
- large-scale renaming of intel_engine_cs variables/parameters to avoid the epic
ring vs. engine confusion introduced in gen8 (Tvrtko Ursulin)
- few atomic patches from Maarten&Matt, big one is two-stage wm programming on ilk-bdw
- refactor driver load and add infrastructure to inject load failures for
testing, from Imre
- various small things all over
* tag 'drm-intel-next-2016-03-30' of git://anongit.freedesktop.org/drm-intel: (179 commits)
drm/i915: Update DRIVER_DATE to 20160330
drm/i915: Call intel_dp_mst_resume() before resuming displays
drm/i915: Fix races on fbdev
drm/i915: remove unused dev_priv->render_reclock_avail
drm/i915: move sdvo mappings to vbt data
drm/i915: move edp low vswing config to vbt data
drm/i915: use a substruct in vbt data for edp
drm/i915: replace for_each_engine()
drm/i915: introduce for_each_engine_id()
drm/i915/bxt: Fix DSI HW state readout
drm/i915: Remove vblank wait from hsw_enable_ips, v2.
drm/i915: Tidy aliasing_gtt_bind_vma()
drm/i915: Split PNV version of crtc_compute_clock()
drm/i915: Split g4x_crtc_compute_clock()
drm/i915: Split i8xx_crtc_compute_clock()
drm/i915: Split CHV and VLV specific crtc_compute_clock() hooks
drm/i915: Merge ironlake_compute_clocks() and ironlake_crtc_compute_clock()
drm/i915: Move fp divisor calculation into ironlake_compute_dpll()
drm/i915: Pass crtc_state->dpll directly to ->find_dpll()
drm/i915: Simplify ironlake_crtc_compute_clock() CPU eDP case
...
Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.6 kernel.
Overall the coolest thing here for me is the nouveau maxwell signed
firmware support from NVidia, it's taken a long while to extract this
from them.
I also wish the ARM vendors just designed one set of display IP, ARM
display block proliferation is definitely increasing.
Core:
- drm_event cleanups
- Internal API cleanup making mode_fixup optional.
- Apple GMUX vga switcheroo support.
- DP AUX testing interface
Panel:
- Refactoring of DSI core for use over more transports.
New driver:
- ARM hdlcd driver
i915:
- FBC/PSR (framebuffer compression, panel self refresh) enabled by default.
- Ongoing atomic display support work
- Ongoing runtime PM work
- Pixel clock limit checks
- VBT DSI description support
- GEM fixes
- GuC firmware scheduler enhancements
amdkfd:
- Deferred probing fixes to avoid make file or link ordering.
amdgpu/radeon:
- ACP support for i2s audio support.
- Command Submission/GPU scheduler/GPUVM optimisations
- Initial GPU reset support for amdgpu
vmwgfx:
- Support for DX10 gen mipmaps
- Pageflipping and other fixes.
exynos:
- Exynos5420 SoC support for FIMD
- Exynos5422 SoC support for MIPI-DSI
nouveau:
- GM20x secure boot support - adds acceleration for Maxwell GPUs.
- GM200 support
- GM20B clock driver support
- Power sensors work
etnaviv:
- Correctness fixes for GPU cache flushing
- Better support for i.MX6 systems.
imx-drm:
- VBlank IRQ support
- Fence support
- OF endpoint support
msm:
- HDMI support for 8996 (snapdragon 820)
- Adreno 430 support
- Timestamp queries support
virtio-gpu:
- Fixes for Android support.
rockchip:
- Add support for Innosilicion HDMI
rcar-du:
- Support for 4 crtcs
- R8A7795 support
- RCar Gen 3 support
omapdrm:
- HDMI interlace output support
- dma-buf import support
- Refactoring to remove a lot of legacy code.
tilcdc:
- Rewrite of pageflipping code
- dma-buf support
- pinctrl support
vc4:
- HDMI modesetting bug fixes
- Significant 3D performance improvement.
fsl-dcu (FreeScale):
- Lots of fixes
tegra:
- Two small fixes
sti:
- Atomic support for planes
- Improved HDMI support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1063 commits)
drm/amdgpu: release_pages requires linux/pagemap.h
drm/sti: restore mode_fixup callback
drm/amdgpu/gfx7: add MTYPE definition
drm/amdgpu: removing BO_VAs shouldn't be interruptible
drm/amd/powerplay: show uvd/vce power gate enablement for tonga.
drm/amd/powerplay: show uvd/vce power gate info for fiji
drm/amdgpu: use sched fence if possible
drm/amdgpu: move ib.fence to job.fence
drm/amdgpu: give a fence param to ib_free
drm/amdgpu: include the right version of gmc header files for iceland
drm/radeon: fix indentation.
drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
drm/amdgpu: switch back to 32bit hw fences v2
drm/amdgpu: remove amdgpu_fence_is_signaled
drm/amdgpu: drop the extra fence range check v2
drm/amdgpu: signal fences directly in amdgpu_fence_process
drm/amdgpu: cleanup amdgpu_fence_wait_empty v2
drm/amdgpu: keep all fences in an RCU protected array v2
drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
drm/amdgpu: RCU protected amd_sched_fence_release
...
Patch based on a previous series by Shashank Sharma.
v2: Do not read GAMMA_MODE register to figure what mode we're in
v3: Program PREC_PAL_GC_MAX to clamp pixel values > 1.0
Add documentation on how the Broadcast RGB property is affected by CTM
v4: Update contributors
v5: Refactor degamma/gamma LUTs load into a single function
v6: Fix missing intel_crtc variable (bisect issue)
v7: Fix & simplify limited range matrix multiplication (Matt Roper's
comment)
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kumar, Kiran S <kiran.s.kumar@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acknowledged-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458125837-2576-4-git-send-email-lionel.g.landwerlin@intel.com
Here is the big USB patchset for 4.6-rc1.
The normal mess is here, gadget and xhci fixes and updates, and lots of
other driver updates and cleanups as well. Full details are in the
shortlog.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB patchset for 4.6-rc1.
The normal mess is here, gadget and xhci fixes and updates, and lots
of other driver updates and cleanups as well. Full details are in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (266 commits)
USB: core: let USB device know device node
usb: devio: Add ioctl to disallow detaching kernel USB drivers.
usb: gadget: f_acm: Fix configfs attr name
usb: udc: lpc32xx: remove USB PLL and USB OTG clock management
usb: udc: lpc32xx: remove direct access to clock controller registers
usb: udc: lpc32xx: switch to clock prepare/unprepare model
usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable()
usb: gadget: renesas_usb3: Use ARCH_RENESAS
usb: dwc2: Fix issues in dwc2_complete_non_isoc_xfer_ddma()
usb: dwc2: Add support for Lantiq ARX and XRX SoCs
usb: phy: generic: Handle late registration of gadget
usb: gadget: bdc_udc: fix race condition in bdc_udc_exit()
usb: musb: core: added missing const qualifier to musb_hdrc_platform_data::config
usb: dwc2: Move host-specific core functions into hcd.c
usb: dwc2: Move register save and restore functions
usb: dwc2: Use kmem_cache_free()
usb: dwc2: host: If using uframe scheduler, end splits better
usb: dwc2: host: Totally redo the microframe scheduler
usb: dwc2: host: Properly set even/odd frame
usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call
...
updates, etc.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux
Pul documentation update from Jon Corbet:
"Another relatively boring cycle for the docs tree: typo fixes,
translation updates, etc"
* tag 'docs-for-linus' of git://git.lwn.net/linux:
modsign: Fix documentation on module signing enforcement parameter.
Doc: nfs: Fix typos in Documentation/filesystems/nfs
Documentation: kselftest: Remove duplicate word
doc: fix grammar
Documentation: Howto: Fixed subtitles style
Doc: ARM: Fix a typo in clksrc-change-registers.awk
Documentation/ko_KR: update maintainer information
Documentation: Fix int/unsigned int comparison
Documentation: Chinese translation of arm64/silicon-errata.txt
Documentation:Update Documentation/zh_CN/arm64/booting.txt
Documentation: HOWTO: remove obsolete info about regression postings
Doc: ja_JP: Fix a typo in HOWTO
Doc: i2c: Fix typo in Documentation/i2c
Doc: DocBook: Fix a typo in device-drivers.tmpl
Remove "arch" usage in Documentation/features/list-arch.sh
README: cosmetic fixes
Documentation/CodingStyle: add space before parenthesis in example macro
SubmittingPatches: fix spelling of "git send-email"
Pull crypto update from Herbert Xu:
"Here is the crypto update for 4.6:
API:
- Convert remaining crypto_hash users to shash or ahash, also convert
blkcipher/ablkcipher users to skcipher.
- Remove crypto_hash interface.
- Remove crypto_pcomp interface.
- Add crypto engine for async cipher drivers.
- Add akcipher documentation.
- Add skcipher documentation.
Algorithms:
- Rename crypto/crc32 to avoid name clash with lib/crc32.
- Fix bug in keywrap where we zero the wrong pointer.
Drivers:
- Support T5/M5, T7/M7 SPARC CPUs in n2 hwrng driver.
- Add PIC32 hwrng driver.
- Support BCM6368 in bcm63xx hwrng driver.
- Pack structs for 32-bit compat users in qat.
- Use crypto engine in omap-aes.
- Add support for sama5d2x SoCs in atmel-sha.
- Make atmel-sha available again.
- Make sahara hashing available again.
- Make ccp hashing available again.
- Make sha1-mb available again.
- Add support for multiple devices in ccp.
- Improve DMA performance in caam.
- Add hashing support to rockchip"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits)
crypto: qat - remove redundant arbiter configuration
crypto: ux500 - fix checks of error code returned by devm_ioremap_resource()
crypto: atmel - fix checks of error code returned by devm_ioremap_resource()
crypto: qat - Change the definition of icp_qat_uof_regtype
hwrng: exynos - use __maybe_unused to hide pm functions
crypto: ccp - Add abstraction for device-specific calls
crypto: ccp - CCP versioning support
crypto: ccp - Support for multiple CCPs
crypto: ccp - Remove check for x86 family and model
crypto: ccp - memset request context to zero during import
lib/mpi: use "static inline" instead of "extern inline"
lib/mpi: avoid assembler warning
hwrng: bcm63xx - fix non device tree compatibility
crypto: testmgr - allow rfc3686 aes-ctr variants in fips mode.
crypto: qat - The AE id should be less than the maximal AE number
lib/mpi: Endianness fix
crypto: rockchip - add hash support for crypto engine in rk3288
crypto: xts - fix compile errors
crypto: doc - add skcipher API documentation
crypto: doc - update AEAD AD handling
...
We've been accumulating code across the driver that depends on the VBT
specific structures and defines. The VBT is an uncontrollable
beast. Encourage encapsulation of the VBT data by hiding the structures
and defines in a private header only to be included from intel_bios.c.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458125015-7931-7-git-send-email-jani.nikula@intel.com
Patch based on a previous series by Shashank Sharma.
This introduces optional properties to enable color correction at the
pipe level. It relies on 3 transformations applied to every pixels
displayed. First a lookup into a degamma table, then a multiplication
of the rgb components by a 3x3 matrix and finally another lookup into
a gamma table.
The following properties can be added to a pipe :
- DEGAMMA_LUT : blob containing degamma LUT
- DEGAMMA_LUT_SIZE : number of elements in DEGAMMA_LUT
- CTM : transformation matrix applied after the degamma LUT
- GAMMA_LUT : blob containing gamma LUT
- GAMMA_LUT_SIZE : number of elements in GAMMA_LUT
DEGAMMA_LUT_SIZE and GAMMA_LUT_SIZE are read only properties, set by
the driver to tell userspace applications what sizes should be the
lookup tables in DEGAMMA_LUT and GAMMA_LUT.
A helper is also provided so legacy gamma correction is redirected
through these new properties.
v2: Register LUT size properties as range
v3: Fix round in drm_color_lut_get_value() helper
More docs on how degamma/gamma properties are used
v4: Update contributors
v5: Rename CTM_MATRIX property to CTM (Doh!)
Add legacy gamma_set atomic helper
Describe CTM/LUT acronyms in the kernel doc
v6: Fix missing blob unref in drm_atomic_helper_crtc_reset
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kumar, Kiran S <kiran.s.kumar@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Rob Bradford <robert.bradford@intel.com>
[danvet: CrOS maintainers are also happy with the userspacde side:
https://codereview.chromium.org/1182063002/ ]
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1456506302-640-4-git-send-email-lionel.g.landwerlin@intel.com
The new USBDEVFS_DROP_PRIVILEGES ioctl allows a process to voluntarily
relinquish the ability to issue other ioctls that may interfere with
other processes and drivers that have claimed an interface on the
device.
This commit also includes a simple utility to be able to test the
ioctl, located at Documentation/usb/usbdevfs-drop-permissions.c
Example (with qemu-kvm's input device):
$ lsusb
...
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
$ usb-devices
...
C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=02 Driver=usbhid
$ sudo ./usbdevfs-drop-permissions /dev/bus/usb/001/002
OK: privileges dropped!
Available options:
[0] Exit now
[1] Reset device. Should fail if device is in use
[2] Claim 4 interfaces. Should succeed where not in use
[3] Narrow interface permission mask
Which option shall I run?: 1
ERROR: USBDEVFS_RESET failed! (1 - Operation not permitted)
Which test shall I run next?: 2
ERROR claiming if 0 (1 - Operation not permitted)
ERROR claiming if 1 (1 - Operation not permitted)
ERROR claiming if 2 (1 - Operation not permitted)
ERROR claiming if 3 (1 - Operation not permitted)
Which test shall I run next?: 0
After unbinding usbhid:
$ usb-devices
...
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=02 Driver=(none)
$ sudo ./usbdevfs-drop-permissions /dev/bus/usb/001/002
...
Which option shall I run?: 2
OK: claimed if 0
ERROR claiming if 1 (1 - Operation not permitted)
ERROR claiming if 2 (1 - Operation not permitted)
ERROR claiming if 3 (1 - Operation not permitted)
Which test shall I run next?: 1
OK: USBDEVFS_RESET succeeded
Which test shall I run next?: 0
After unbinding usbhid and restricting the mask:
$ sudo ./usbdevfs-drop-permissions /dev/bus/usb/001/002
...
Which option shall I run?: 3
Insert new mask: 0
OK: privileges dropped!
Which test shall I run next?: 2
ERROR claiming if 0 (1 - Operation not permitted)
ERROR claiming if 1 (1 - Operation not permitted)
ERROR claiming if 2 (1 - Operation not permitted)
ERROR claiming if 3 (1 - Operation not permitted)
Signed-off-by: Reilly Grant <reillyg@chromium.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Emilio López <emilio.lopez@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add documentation for 3 formats, used by RealSense cameras like R200.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Jani Nikula