Commit graph

39603 commits

Author SHA1 Message Date
Thomas Zimmermann 0ccf52badd drm/vram: Don't export driver callback functions for PRIME
PRIME functionality is now provided by GEM object functions. The driver
callback functions are obsolete. So this patch renames them and turns
them into static internal functions of the VRAM helper library. The
implementation of gem_prime_mmap is now unused and the patch removes it.

v3:
	* kept each renamed function at its original location within file
	* kept documentation

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190702115012.4418-6-tzimmermann@suse.de
2019-07-03 09:32:36 +02:00
Rob Herring 28a902e6d7 dt-bindings: display: rockchip-lvds: Remove panel references
The panel bindings are outside the scope of the Rockchip LVDS interface
binding. The references are about to change too, so rather than update
them just drop the section on the panel bindings.

Cc: Sandy Huang <hjc@rock-chips.com>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190624215649.8939-2-robh@kernel.org
2019-06-27 10:23:34 +02:00
Jerry Han caa54ec03c dt-bindings: panel: Add Boe Himax8279d is 1200x1920, 4-lane MIPI-DSI LCD panel
The Boe Himax8279d is a 8.0" panel with a 1200x1920 resolution and
connected to DSI using four lanes.

V8:
- Modify communication address

V7:
- Add the information of the reviewer

V6:
- Add the information of the reviewer

V5:
- Added changelog

V4:
- None

V3:
- None

V2:
- Add compatible device "boe,himax8279d10p" (Sam)
- Add the necessary property descriptions (Sam)

Signed-off-by: Jerry Han <jerry.han.hq@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Derek Basehore <dbasehore@chromium.org>
Cc: Jitao Shi <jitao.shi@mediatek.com>
Cc: Rock wang <rock_wang@himax.com.cn>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190425031842.17202-1-jerry.han.hq@gmail.com
2019-06-26 14:54:05 +02:00
Marek Vasut 77b893df0c dt-bindings: display: Add ETM0700G0DH6 compatible string
The ETM0700G0DH6 is currently documented as using edt,etm070080dh6
compatible string, however the Linux kernel driver as well as a
couple of DTs use edt,etm0700g0dh6 compatible string. Add it into
the documentation.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Jan Tuerk <jan.tuerk@emtrion.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190503154749.5630-1-marex@denx.de
2019-06-26 14:46:36 +02:00
Guido Günther d4bd9a58d8 dt-bindings: display/panel: jh057n00900: Document power supply properties
Document the vcc-supply and iovcc-supply properties of the Rocktech
jh057n00900 panel.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ec5ee11786036dc8826a3f8555cbb1dce4dbca25.1561542477.git.agx@sigxcpu.org
2019-06-26 14:37:24 +02:00
Robert Chiras 059b39f30a dt-bindings: display: panel: Add support for Raydium RM67191 panel
Add dt-bindings documentation for Raydium RM67191 DSI panel.

Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1561550907-9733-2-git-send-email-robert.chiras@nxp.com
2019-06-26 14:34:53 +02:00
Paul Cercueil a63f4612e1 dt-bindings: display: Add Sharp LS020B1DD01D panel documentation
The LS020B1DD01D is a 2.0" 240x160 16-bit TFT LCD panel.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603153120.23947-1-paul@crapouillou.net
2019-06-26 13:37:50 +02:00
Paul Cercueil c79e7a2937 dt-bindings: display: Add King Display KD035G6-54NT panel documentation
The KD035G6-54NT is a 3.5" 320x240 24-bit TFT LCD panel.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603152555.23527-1-paul@crapouillou.net
2019-06-26 13:34:49 +02:00
H. Nikolaus Schaller a6e5a47f40 dt-bindings: drm/panel: simple: add sharp, lq070y3dg3b panel
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ee90ed56d2c294ce8ac3b44bf2229c5ab9f85e91.1559905870.git.hns@goldelico.com
2019-06-26 08:35:35 +02:00
H. Nikolaus Schaller e24fd0cf73 dt-bindings: drm/panel: simple: add ortustech, com37h3m99dtc panel
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/3e0720fbddfd7b35ad8551440544411485d8ad9f.1559905870.git.hns@goldelico.com
2019-06-26 08:35:24 +02:00
H. Nikolaus Schaller 75909cb6a7 dt-bindings: drm/panel: simple: add ortustech, com37h3m05dtc panel
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/a650cb8df1bdf58ec3c8a182532692db16b77f70.1559905870.git.hns@goldelico.com
2019-06-26 08:34:59 +02:00
Paul Cercueil 0565ae9283 media: uapi: Add MEDIA_BUS_FMT_RGB888_3X8 media bus format
This patch adds MEDIA_BUS_FMT_RGB888_3X8, used for the GiantPlus
GPM940B0 24-bit TFT panel, where the RGB components are transferred
sequentially on a 8-bit bus.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605222247.25657-2-paul@crapouillou.net
2019-06-25 22:14:11 +02:00
Paul Cercueil d55bcb4c9a dt-bindings: display: Add GiantPlus GPM940B0 panel documentation
The GPM940B0 is a 3.0" 320x240 24-bit TFT LCD panel.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605222247.25657-1-paul@crapouillou.net
2019-06-25 22:13:38 +02:00
Daniel Vetter fcca453c88 drm/todo: Add new debugfs todo
Greg is busy already, but maybe he won't do everything ...

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-59-daniel.vetter@ffwll.ch
2019-06-25 18:21:26 +02:00
Daniel Vetter 8de6ca2e0e drm/todo: Update mmap todo
Thanks to Noralf some good progress already.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-58-daniel.vetter@ffwll.ch
2019-06-25 18:21:26 +02:00
Daniel Vetter 3c745e0b5d drm/todo: Update backlight todo
Basic helpers have been extracted, now there's a pile more todo still
across the entire tree.

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-57-daniel.vetter@ffwll.ch
2019-06-25 18:21:26 +02:00
Daniel Vetter 9dfed70130 drm/todo: remove gem_prime_import/export todo
I've done that.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-56-daniel.vetter@ffwll.ch
2019-06-25 18:21:26 +02:00
Rob Herring 975304100a dt-bindings: display: Convert tpo,tpg110 panel to DT schema
Convert the tpo,tpg110 panel binding to DT schema.

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190624215649.8939-11-robh@kernel.org
2019-06-25 00:11:35 +02:00
Daniel Vetter 805dc614d5 drm/prime: Update docs
Yes this is a bit a big patch, but since it's essentially a complete
rewrite of all the prime docs I didn't see how to better split it up.

Changes:
- Consistently point to drm_gem_object_funcs as the preferred hooks,
  where applicable.

- Document all the hooks in &drm_driver that lacked kerneldoc.

- Completely new overview section, which now also includes the cleaned
  up lifetime/reference counting subchapter. I also mentioned the weak
  references in there due to the lookup caches.

- Completely rewritten helper intro section, highlight the
  import/export related functionality.

- Polish for all the functions and more cross references.

I also sprinkled a bunch of todos all over.

Most important: 0 code changes in here. The cleanup motivated by
reading and improving all this will follow later on.

v2: Actually update the prime helper docs. Plus add a few FIXMEs that
I won't address right away in subsequent cleanup patches.

v3:
- Split out the function moving. This patch is now exclusively
  documentation changes.
- Typos and nits (Sam).

v4: Polish suggestions from Noralf.

Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190620124615.24434-1-daniel.vetter@ffwll.ch
2019-06-21 11:48:09 +02:00
Daniel Vetter 836334fd74 drm/todo: Update drm_gem_object_funcs todo even more
I rushed merging this a bit too much, and Noralf pointed out that
we're a lot better already and have made great progress.

Let's try again.

v2: Fix typo spotted by Eric Engestrom.

Fixes: 8db420ac6c ("drm/todo: Improve drm_gem_object funcs todo")
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618140241.19856-1-daniel.vetter@ffwll.ch
2019-06-20 17:11:53 +02:00
Paul Cercueil 34884dba29 dt-bindings: Add doc for the Ingenic JZ47xx LCD controller driver
Add documentation for the devicetree bindings of the LCD controller
present in the JZ47xx family of SoCs from Ingenic.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603152331.23160-1-paul@crapouillou.net
2019-06-19 13:21:01 +02:00
Maarten Lankhorst bcb7416e34 Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh
backmerge of drm-next to pull it in.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-06-19 12:32:13 +02:00
Maxime Ripard 3d46a3007c
drm/modes: Parse overscan properties
Properly configuring the overscan properties might be needed for the
initial setup of the framebuffer for display that still have overscan.
Let's allow for more properties on the kernel command line to setup each
margin.

Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e481f1628e3768ca49226ec2115cfa4dfcbd5e4c.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19 12:17:51 +02:00
Maxime Ripard 1bf4e09227
drm/modes: Allow to specify rotation and reflection on the commandline
Rotations and reflections setup are needed in some scenarios to initialise
properly the initial framebuffer. Some drivers already had a bunch of
quirks to deal with this, such as either a private kernel command line
parameter (omapdss) or on the device tree (various panels).

In order to accomodate this, let's create a video mode parameter to deal
with the rotation and reflexion.

Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/777da16e42db757c1f5b414b5ca34507097fed5c.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19 12:17:51 +02:00
Daniel Vetter 52d2d44eee Linux 5.2-rc5
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Merge v5.2-rc5 into drm-next

Maarten needs -rc4 backmerged so he can pull in the fbcon notifier
removal topic branch into drm-misc-next.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-06-19 12:07:29 +02:00
Daniel Vetter 8db420ac6c drm/todo: Improve drm_gem_object funcs todo
We're kinda going in the wrong direction. Spotted while typing better
gem/prime docs.

Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-2-daniel.vetter@ffwll.ch
2019-06-17 17:36:09 +02:00
Maarten Lankhorst f5500f385b Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Pick up rc3 and rc4 and the merges from the other branches,
we're a bit out of date.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-06-17 10:17:38 +02:00
Linus Torvalds 0011572c88 Merge branch 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
 "This has an unusually high density of tricky fixes:

   - task_get_css() could deadlock when it races against a dying cgroup.

   - cgroup.procs didn't list thread group leaders with live threads.

     This could mislead readers to think that a cgroup is empty when
     it's not. Fixed by making PROCS iterator include dead tasks. I made
     a couple mistakes making this change and this pull request contains
     a couple follow-up patches.

   - When cpusets run out of online cpus, it updates cpusmasks of member
     tasks in bizarre ways. Joel improved the behavior significantly"

* 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cpuset: restore sanity to cpuset_cpus_allowed_fallback()
  cgroup: Fix css_task_iter_advance_css_set() cset skip condition
  cgroup: css_task_iter_skip()'d iterators must be advanced before accessed
  cgroup: Include dying leaders with live threads in PROCS iterations
  cgroup: Implement css_task_iter_skip()
  cgroup: Call cgroup_release() before __exit_signal()
  docs cgroups: add another example size for hugetlb
  cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css()
2019-06-14 17:46:14 -10:00
Linus Torvalds 7b10315128 for-linus-20190614
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Merge tag 'for-linus-20190614' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Remove references to old schedulers for the scheduler switching and
   blkio controller documentation (Andreas)

 - Kill duplicate check for report zone for null_blk (Chaitanya)

 - Two bcache fixes (Coly)

 - Ensure that mq-deadline is selected if zoned block device is enabled,
   as we need that to support them (Damien)

 - Fix io_uring memory leak (Eric)

 - ps3vram fallout from LBDAF removal (Geert)

 - Redundant blk-mq debugfs debugfs_create return check cleanup (Greg)

 - Extend NOPLM quirk for ST1000LM024 drives (Hans)

 - Remove error path warning that can now trigger after the queue
   removal/addition fixes (Ming)

* tag 'for-linus-20190614' of git://git.kernel.dk/linux-block:
  block/ps3vram: Use %llu to format sector_t after LBDAF removal
  libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk
  bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached
  bcache: fix stack corruption by PRECEDING_KEY()
  blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
  blkio-controller.txt: Remove references to CFQ
  block/switching-sched.txt: Update to blk-mq schedulers
  null_blk: remove duplicate check for report zone
  blk-mq: no need to check return value of debugfs_create functions
  io_uring: fix memory leak of UNIX domain socket inode
  block: force select mq-deadline for zoned block devices
2019-06-14 15:41:18 -10:00
Linus Torvalds 72a20cee5d arm64 fixes for -rc5
- Fix broken SVE ptrace API when running in a big-endian configuration
 
 - Fix performance regression due to off-by-one in TLBI range checking
 
 - Fix build regression when using Clang
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "Here are some arm64 fixes for -rc5.

  The only non-trivial change (in terms of the diffstat) is fixing our
  SVE ptrace API for big-endian machines, but the majority of this is
  actually the addition of much-needed comments and updates to the
  documentation to try to avoid this mess biting us again in future.

  There are still a couple of small things on the horizon, but nothing
  major at this point.

  Summary:

   - Fix broken SVE ptrace API when running in a big-endian configuration

   - Fix performance regression due to off-by-one in TLBI range checking

   - Fix build regression when using Clang"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sve: Fix missing SVE/FPSIMD endianness conversions
  arm64: tlbflush: Ensure start/end of address range are aligned to stride
  arm64: Don't unconditionally add -Wno-psabi to KBUILD_CFLAGS
2019-06-14 06:16:47 -10:00
Justin Swartz 53ffa1ee8d drm/rockchip: dw_hdmi: add basic rk3228 support
Like the RK3328, RK322x SoCs offer a Synopsis DesignWare HDMI transmitter
and an Innosilicon HDMI PHY.

Add a new dw_hdmi_plat_data struct, rk3228_hdmi_drv_data.
Assign a set of mostly generic rk3228_hdmi_phy_ops functions.
Add dw_hdmi_rk3228_setup_hpd() to enable the HDMI HPD and DDC lines.

Signed-off-by: Justin Swartz <justin.swartz@risingedge.co.za>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190522224631.25164-1-justin.swartz@risingedge.co.za
2019-06-14 13:39:15 +02:00
Daniel Vetter 2454fcea33 drm-misc-next for v5.3:
UAPI Changes:
 
 Cross-subsystem Changes:
 - Add code to signal all dma-fences when freed with pending signals.
 - Annotate reservation object access in CONFIG_DEBUG_MUTEXES
 
 Core Changes:
 - Assorted documentation fixes.
 - Use irqsave/restore spinlock to add crc entry.
 - Move code around to drm_client, for internal modeset clients.
 - Make drm_crtc.h and drm_debugfs.h self-contained.
 - Remove drm_fb_helper_connector.
 - Add bootsplash to todo.
 - Fix lock ordering in pan_display_legacy.
 - Support pinning buffers to current location in gem-vram.
 - Remove the now unused locking functions from gem-vram.
 - Remove the now unused kmap-object argument from vram helpers.
 - Stop checking return value of debugfs_create.
 - Add atomic encoder enable/disable helpers.
 - pass drm_atomic_state to atomic connector check.
 - Add atomic support for bridge enable/disable.
 - Add self refresh helpers to core.
 
 Driver Changes:
 - Add extra delay to make MTP SDM845 work.
 - Small fixes to virtio, vkms, sii902x, sii9234, ast, mcde, analogix, rockchip.
 - Add zpos and ?BGR8888 support to meson.
 - More removals of drm_os_linux and drmP headers for amd, radeon, sti, r128, r128, savage, sis.
 - Allow synopsis to unwedge the i2c hdmi bus.
 - Add orientation quirks for GPD panels.
 - Edid cleanups and fixing handling for edid < 1.2.
 - Add runtime pm to stm.
 - Handle s/r in dw-hdmi.
 - Add hooks for power on/off to dsi for stm.
 - Remove virtio dirty tracking code, done in drm core.
 - Rework BO handling in ast and mgag200.
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Merge tag 'drm-misc-next-2019-06-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.3:

UAPI Changes:

Cross-subsystem Changes:
- Add code to signal all dma-fences when freed with pending signals.
- Annotate reservation object access in CONFIG_DEBUG_MUTEXES

Core Changes:
- Assorted documentation fixes.
- Use irqsave/restore spinlock to add crc entry.
- Move code around to drm_client, for internal modeset clients.
- Make drm_crtc.h and drm_debugfs.h self-contained.
- Remove drm_fb_helper_connector.
- Add bootsplash to todo.
- Fix lock ordering in pan_display_legacy.
- Support pinning buffers to current location in gem-vram.
- Remove the now unused locking functions from gem-vram.
- Remove the now unused kmap-object argument from vram helpers.
- Stop checking return value of debugfs_create.
- Add atomic encoder enable/disable helpers.
- pass drm_atomic_state to atomic connector check.
- Add atomic support for bridge enable/disable.
- Add self refresh helpers to core.

Driver Changes:
- Add extra delay to make MTP SDM845 work.
- Small fixes to virtio, vkms, sii902x, sii9234, ast, mcde, analogix, rockchip.
- Add zpos and ?BGR8888 support to meson.
- More removals of drm_os_linux and drmP headers for amd, radeon, sti, r128, r128, savage, sis.
- Allow synopsis to unwedge the i2c hdmi bus.
- Add orientation quirks for GPD panels.
- Edid cleanups and fixing handling for edid < 1.2.
- Add runtime pm to stm.
- Handle s/r in dw-hdmi.
- Add hooks for power on/off to dsi for stm.
- Remove virtio dirty tracking code, done in drm core.
- Rework BO handling in ast and mgag200.

Tiny conflict in drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c,
needed #include <linux/slab.h> to make it compile.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0e01de30-9797-853c-732f-4a5bd6e61445@linux.intel.com
2019-06-14 11:44:24 +02:00
Sean Paul 1452c25b0e drm: Add helpers to kick off self refresh mode in drivers
This patch adds a new drm helper library to help drivers implement
self refresh. Drivers choosing to use it will register crtcs and
will receive callbacks when it's time to enter or exit self refresh
mode.

In its current form, it has a timer which will trigger after a
driver-specified amount of inactivity. When the timer triggers, the
helpers will submit a new atomic commit to shut the refreshing pipe
off. On the next atomic commit, the drm core will revert the self
refresh state and bring everything back up to be actively driven.

From the driver's perspective, this works like a regular disable/enable
cycle. The driver need only check the 'self_refresh_active' state in
crtc_state. It should initiate self refresh mode on the panel and enter
an off or low-power state.

Changes in v2:
- s/psr/self_refresh/ (Daniel)
- integrated the psr exit into the commit that wakes it up (Jose/Daniel)
- made the psr state per-crtc (Jose/Daniel)
Changes in v3:
- Remove the self_refresh_(active|changed) from connector state (Daniel)
- Simplify loop in drm_self_refresh_helper_alter_state (Daniel)
- Improve self_refresh_aware comment (Daniel)
- s/self_refresh_state/self_refresh_data/ (Daniel)
Changes in v4:
- Move docbook location below panel (Daniel)
- Improve docbook with references and more detailed explanation (Daniel)
- Instead of register/unregister, use init/cleanup (Daniel)
Changes in v5:
- Resolved conflict in drm_atomic_helper.c #include block
- Resolved conflict in rst with HDCP helper docs
Changes in v6:
- Fix include ordering, clean up forward declarations (Sam)

Link to v1: https://patchwork.freedesktop.org/patch/msgid/20190228210939.83386-2-sean@poorly.run
Link to v2: https://patchwork.freedesktop.org/patch/msgid/20190326204509.96515-1-sean@poorly.run
Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-6-sean@poorly.run
Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-6-sean@poorly.run
Link to v5: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-6-sean@poorly.run

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Jose Souza <jose.souza@intel.com>
Cc: Zain Wang <wzz@rock-chips.com>
Cc: Tomasz Figa <tfiga@chromium.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190612145026.191846-1-sean@poorly.run
2019-06-13 14:31:10 -04:00
Dave Martin 41040cf7c5 arm64/sve: Fix missing SVE/FPSIMD endianness conversions
The in-memory representation of SVE and FPSIMD registers is
different: the FPSIMD V-registers are stored as single 128-bit
host-endian values, whereas SVE registers are stored in an
endianness-invariant byte order.

This means that the two representations differ when running on a
big-endian host.  But we blindly copy data from one representation
to another when converting between the two, resulting in the
register contents being unintentionally byteswapped in certain
situations.  Currently this can be triggered by the first SVE
instruction after a syscall, for example (though the potential
trigger points may vary in future).

So, fix the conversion functions fpsimd_to_sve(), sve_to_fpsimd()
and sve_sync_from_fpsimd_zeropad() to swab where appropriate.

There is no common swahl128() or swab128() that we could use here.
Maybe it would be worth making this generic, but for now add a
simple local hack.

Since the byte order differences are exposed in ABI, also clarify
the documentation.

Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Alan Hayward <alan.hayward@arm.com>
Cc: Julien Grall <julien.grall@arm.com>
Fixes: bc0ee47603 ("arm64/sve: Core task context handling")
Fixes: 8cd969d28f ("arm64/sve: Signal handling support")
Fixes: 43d4da2c45 ("arm64/sve: ptrace and ELF coredump support")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
[will: Fix typos in comments and docs spotted by Julien]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2019-06-13 10:07:19 +01:00
Andreas Herrmann fb5772cbfe blkio-controller.txt: Remove references to CFQ
CFQ is gone. No need anymore to document its "proportional weight time
based division of disk policy".

Signed-off-by: Andreas Herrmann <aherrmann@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-13 03:00:30 -06:00
Andreas Herrmann 8614b0085d block/switching-sched.txt: Update to blk-mq schedulers
Remove references to CFQ and legacy block layer which are gone.
Update example with what's available under blk-mq.

Signed-off-by: Andreas Herrmann <aherrmann@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-13 03:00:30 -06:00
Noralf Trønnes ce25600842 drm/todo: Add bootsplash entry
Ease entry for anyone wanting to pick up the bootsplash work by providing
a couple of pointers.

v2: Add Sam as contact (Sam)

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190608152657.36613-6-noralf@tronnes.org
2019-06-11 14:48:44 +02:00
Noralf Trønnes e5852bee90 drm/fb-helper: Remove drm_fb_helper_connector
All drivers add all their connectors so there's no need to keep around an
array of available connectors. Instead we just put the useable (not
writeback) connectors in a temporary array using
drm_client_for_each_connector_iter() everytime we probe the outputs.
Other places where it's necessary to look at the connectors, we just
iterate over them using the same iterator function.

Rename functions which signature is changed since they will be moved to
drm_client in a later patch.

v6: Improve commit message (Sam Ravnborg)

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190608152657.36613-2-noralf@tronnes.org
2019-06-11 14:46:44 +02:00
Daniel Vetter 34c8a892ec R-Car DU changes for v5.3:
- R8A774A1 SoC support
 - LVDS dual-link mode support
 - Support for additional formats
 - Misc fixes
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Merge tag 'du-next-20190608-2' of git://linuxtv.org/pinchartl/media into drm-next

R-Car DU changes for v5.3:

- R8A774A1 SoC support
- LVDS dual-link mode support
- Support for additional formats
- Misc fixes

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190608134652.GE4786@pendragon.ideasonboard.com
2019-06-11 10:08:49 +02:00
Laurent Pinchart f54b4df6b1 dt-bindings: display: renesas: lvds: Add renesas,companion property
Add a new optional renesas,companion property to point to the companion
LVDS encoder. This is used to support dual-link operation where the main
LVDS encoder splits even-numbered and odd-numbered pixels between the
two LVDS encoders.

The new property doesn't control the mode of operation, it only
describes the relationship between the master and companion LVDS
encoders.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
2019-06-08 02:36:04 +03:00
Laurent Pinchart 3cb120814e dt-bindings: display: bridge: thc63lvd1024: Document dual-link operation
The THC63LVD1024 LVDS decoder can operate in two modes, single-link or
dual-link. In dual-link mode both input ports are used to carry even-
and odd-numbered pixels separately. Document this in the DT bindings,
along with the related rules governing port and usage.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
2019-06-08 02:36:04 +03:00
Biju Das 07c7c6bfbe dt-bindings: display: renesas: lvds: Document r8a774a1 bindings
Document the RZ/G2M (R8A774A1) LVDS bindings.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2019-06-08 02:36:04 +03:00
Biju Das 2acd1d1f21 dt-bindings: display: renesas: du: Document the r8a774a1 bindings
Document the RZ/G2M (R8A774A1) SoC in the R-Car DU bindings.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2019-06-08 02:36:04 +03:00
Linus Torvalds 5d6b501fe5 overlayfs fixes for 5.2-rc4
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Merge tag 'ovl-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

Pull overlayfs fixes from Miklos Szeredi:
 "Here's one fix for a class of bugs triggered by syzcaller, and one
  that makes xfstests fail less"

* tag 'ovl-fixes-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: doc: add non-standard corner cases
  ovl: detect overlapping layers
  ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
2019-06-06 12:31:15 -07:00
Dave Airlie 396f9acaff Merge branch 'drm-next-5.3' of git://people.freedesktop.org/~agd5f/linux into drm-next
amdgpu:
- Revert timeline support until KHR is ready
- Various driver reload fixes
- Refactor clock handling in DC
- Aux fixes for DC
- Bandwidth calculation updates for DC
- Fix documentation due to file rename
- RAS fix
- Fix race in late_init

ttm:
- Allow for better forward progress when there is heavy memory contention

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190606032537.6939-1-alexander.deucher@amd.com
2019-06-06 14:28:26 +10:00
Mauro Carvalho Chehab fbebaa7299 gpu: amdgpu: fix broken amdgpu_dma_buf.c references
This file was renamed, but docs weren't updated accordingly.

	WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function PRIME Buffer Sharing ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 1
	WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -internal ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 2

Fixes: 2fbd6f94ac ("drm/amdgpu: rename amdgpu_prime.[ch] into amdgpu_dma_buf.[ch]")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-05 22:17:32 -05:00
Dave Airlie 141de1d46f drm-misc-next for v5.3:
UAPI Changes:
 
 Cross-subsystem Changes:
 - Add devicetree bindings for new panels.
 - Convert allwinner's DT bindings to a schema.
 - Drop video/hdmi static functions from kernel docs.
 - Discard old fence when reserving space in reservation_object_get_fences_rcu.
 
 Core Changes:
 - Add missing -ENOMEM handling in edid loading.
 - Fix null pointer deref in scheduler.
 - Header cleanups, making them self-contained.
 - Remove drmP.h inclusion from core.
 - Fix make htmldocs warning in scheduler and HDR metadata.
 - Fix a few warnings in the uapi header and add a doc section for it.
 - Small MST sideband error handling fix.
 - Clarify userspace review requirements.
 - Clarify implicit/explicit fencing in docs.
 - Flush output polling on shutdown.
 
 Driver Changes:
 - Small cleanups to stm.
 - Add new driver for ST-Ericsson MCDE
 - Kconfig fix for meson HDMI.
 - Add support for Armadeus ST0700 Adapt panel.
 - Add KOE tx14d24vm1bpa panel.
 - Update timings for st7701.
 - Fix compile error in mcde.
 - Big series of tc358767 fixes, and enabling support for IRQ and HPD handling.
 - Assorted fixes to sii902x, and implementing HDMI audio support.
 - Enable HDR metadata support on amdgpu.
 - Assorted fixes to atmel-hlcdc, and add sam9x60 LCD controller support.
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Merge tag 'drm-misc-next-2019-06-05' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.3:

UAPI Changes:

Cross-subsystem Changes:
- Add devicetree bindings for new panels.
- Convert allwinner's DT bindings to a schema.
- Drop video/hdmi static functions from kernel docs.
- Discard old fence when reserving space in reservation_object_get_fences_rcu.

Core Changes:
- Add missing -ENOMEM handling in edid loading.
- Fix null pointer deref in scheduler.
- Header cleanups, making them self-contained.
- Remove drmP.h inclusion from core.
- Fix make htmldocs warning in scheduler and HDR metadata.
- Fix a few warnings in the uapi header and add a doc section for it.
- Small MST sideband error handling fix.
- Clarify userspace review requirements.
- Clarify implicit/explicit fencing in docs.
- Flush output polling on shutdown.

Driver Changes:
- Small cleanups to stm.
- Add new driver for ST-Ericsson MCDE
- Kconfig fix for meson HDMI.
- Add support for Armadeus ST0700 Adapt panel.
- Add KOE tx14d24vm1bpa panel.
- Update timings for st7701.
- Fix compile error in mcde.
- Big series of tc358767 fixes, and enabling support for IRQ and HPD handling.
- Assorted fixes to sii902x, and implementing HDMI audio support.
- Enable HDR metadata support on amdgpu.
- Assorted fixes to atmel-hlcdc, and add sam9x60 LCD controller support.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6c43ffa9-11ff-5354-d772-c20fd4d1e3d9@linux.intel.com
2019-06-06 12:16:25 +10:00
Douglas Anderson c603625001 dt-bindings: drm/bridge/synopsys: dw-hdmi: Add "unwedge" for ddc bus
In certain situations it was seen that we could wedge up the DDC bus
on the HDMI adapter on rk3288.  The only way to unwedge was to mux one
of the pins over to GPIO output-driven-low temporarily and then
quickly mux back.  Full details can be found in the patch
("drm/bridge/synopsys: dw-hdmi: Add "unwedge" for ddc bus").

Since unwedge requires remuxing the pins, we first need to add to the
bindings so that we can specify what state the pins should be in for
unwedging.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190502225336.206885-1-dianders@chromium.org
2019-06-05 15:39:00 -04:00
Uma Shankar 309aa92636 drm: ADD UAPI structure definition section in kernel doc
Add a new section for UAPI structure and helper definitions
in kernel docbook.

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1559567330-25182-2-git-send-email-uma.shankar@intel.com
2019-06-04 13:00:23 +02:00
Noralf Trønnes d81294afee drm/fb-helper: Remove drm_fb_helper_crtc
struct drm_fb_helper_crtc is now just a wrapper around drm_mode_set so
use that directly instead and attach it as a modeset array onto
drm_client_dev. drm_fb_helper will use this array to store its modesets
which means it will always initialize a drm_client, but it will not
register the client (callbacks) unless it's the generic fbdev emulation.

Code will later be moved to drm_client, so add code there in a new file
drm_client_modeset.c with MIT license to match drm_fb_helper.c.

The modeset connector array size is hardcoded for the cloned case to avoid
having to pass in a value from the driver. A value of 8 is chosen to err
on the safe side. This means that the max connector argument for
drm_fb_helper_init() and drm_fb_helper_fbdev_setup() isn't used anymore,
a todo entry for this is added.

In pan_display_atomic() restore_fbdev_mode_force() is used instead of
restore_fbdev_mode_atomic() because that one will later become internal
to drm_client_modeset.

Locking order:
1. drm_fb_helper->lock
2. drm_master_internal_acquire
3. drm_client_dev->modeset_mutex

v6: Improve commit message (Sam Ravnborg)

v3:
- Use full drm_client_init/release for the modesets (Daniel Vetter)
- drm_client_for_each_modeset: use lockdep_assert_held (Daniel Vetter)
- Hook up to Documentation/gpu/drm-client.rst (Daniel Vetter)

v2:
- Add modesets array to drm_client (Daniel Vetter)
- Use a new file for the modeset code (Daniel Vetter)
- File has to be MIT licensed (Emmanuel Vadot)
- Add copyrights from drm_fb_helper.c

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190531140117.37751-3-noralf@tronnes.org
2019-06-04 12:13:47 +02:00