Commit Graph

52848 Commits

Author SHA1 Message Date
Dave Airlie
25fed6b324 Merge tag 'drm-intel-gt-next-2021-08-06-1' of ssh://git.freedesktop.org/git/drm/drm-intel into drm-next
UAPI Changes:

- Add I915_MMAP_OFFSET_FIXED

  On devices with local memory `I915_MMAP_OFFSET_FIXED` is the only valid
  type. On devices without local memory, this caching mode is invalid.

  As caching mode when specifying `I915_MMAP_OFFSET_FIXED`, WC or WB will
  be used, depending on the object placement on creation. WB will be used
  when the object can only exist in system memory, WC otherwise.

  Userspace: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11888

- Reinstate the mmap ioctl for (already released) integrated Gen12 platforms

  Rationale: Otherwise media driver breaks eg. for ADL-P. Long term goal is
  still to sunset the IOCTL even for integrated and require using mmap_offset.

- Reject caching/set_domain IOCTLs on discrete

  Expected to become immutable property of the BO

- Disallow changing context parameters after first use on Gen12 and earlier
- Require setting context parameters at creation on platforms after Gen12

  Rationale (for both): Allow less dynamic changes to the context to simplify
  the implementation and avoid user shooting theirselves in the foot.

- Drop I915_CONTEXT_PARAM_RINGSIZE

  Userspace PR for compute-driver has not been merged

- Drop I915_CONTEXT_PARAM_NO_ZEROMAP

  Userspace PR for libdrm / Beignet was never landed

- Drop CONTEXT_CLONE API

  Userspace PR for Mesa was never landed

- Drop getparam support for I915_CONTEXT_PARAM_ENGINES

  Only existed for symmetry wrt. setparam, never used.

- Disallow bonding of virtual engines

  Drop the prep work, no hardware has been released needing it.

- (Implicit) Disable gpu relocations

  Media userspace was the last userspace to still use them. They
  have converted so performance can be regained with an update.

Core Changes:

- Merge topic branch 'topic/i915-ttm-2021-06-11' (from Maarten)
- Merge topic branch 'topic/revid_steppings' (from Matt R)
- Merge topic branch 'topic/xehp-dg2-definitions-2021-07-21' (from Matt R)
- Backmerges drm-next (Rodrigo)

Driver Changes:

- Initial workarounds for ADL-P (Clint)
- Preliminary code for XeHP/DG2 (Stuart, Umesh, Matt R, Prathap, Ram,
  Venkata, Akeem, Tvrtko, John, Lucas)
- Fix ADL-S DMA mask size to 39 bits (Tejas)
- Remove code for CNL (Lucas)
- Add ADL-P GuC/HuC firmwares (John)
- Update HuC to 7.9.3 for TGL/ADL-S/RKL (John)
- Fix -EDEADLK handling regression (Ville)
- Implement Wa_1508744258 for DG1 and Gen12 iGFX (Jose)
- Extend Wa_1406941453 to ADL-S (Jose)
- Drop unnecessary workarounds per stepping for SKL/BXT/ICL (Matt R)
- Use fuse info to enable SFC on Gen12 (Venkata)
- Unconditionally flush the pages on acquire on EHL/JSL (Matt A)
- Probe existence of backing struct pages upon userptr creation (Chris, Matt A)

- Add an intermediate GEM proto-context to delay real context creation (Jason)
- Implement SINGLE_TIMELINE with a syncobj (Jason)
- Set the watchdog timeout directly in intel_context_set_gem (Jason)
- Disallow userspace from creating contexts with too many engines (Jason)
- Revert "drm/i915/gem: Asynchronous cmdparser" (Jason)
- Revert "drm/i915: Propagate errors on awaiting already signaled fences" (Jason)
- Revert "drm/i915: Skip over MI_NOOP when parsing" (Jason)
- Revert "drm/i915: Shrink the GEM kmem_caches upon idling" (Daniel)
- Always let TTM handle object migration (Jason)
- Correct the locking and pin pattern for dma-buf (Thomas H, Michael R, Jason)
- Migrate to system at dma-buf attach time (Thomas, Michael R)

- MAJOR refactoring of the GuC backend code to allow for enabling on Gen11+
  (Matt B, John, Michal Wa., Fernando, Daniele, Vinay)
- Update GuC firmware interface to v62.0.0 (John, Michal Wa., Matt B)
- Add GuCRC feature to hand over the control of HW RC6 to the GuC on
  Gen12+ when GuC submission is enabled (Vinay, Sujaritha, Daniele,
  John, Tvrtko)
- Use the correct IRQ during resume and eliminate DRM IRQ midlayer (Thomas Z)
- Add pipelined page migration and clearing (Chris, Thomas H)
- Use TTM for system memory on discrete (Thomas H)
- Implement object migration for display vs. dma-buf (Thomas H)
- Perform execbuffer object locking as a separate step (Thomas H)
- Add support for explicit L3BANK steering (Matt, Daniele)
- Remove duplicated call to ops->pread (Daniel)
- Fix pagefault disabling in the first execbuf slowpath (Daniel)
- Simplify userptr locking (Thomas H)
- Improvements to the GuC CTB code (Matt B, John)
- Make GT workaround upper bounds exclusive (Matt R)
- Check for nomodeset in i915_init() first (Daniel)
- Delete now unused gpu reloc code (Daniel)

- Document RFC plans for GuC submission, DRM scheduler and new parallel
  submit uAPI (Matt B)
- Reintroduce buddy allocator this time with TTM (Matt A)
- Support forcing page size with LMEM (Matt A)
- Add i915_sched_engine to abstract a submission queue between backends (Matt B)
- Use accelerated move in TTM (Ram)
- Fix memory leaks from TTM backend (Thomas H)
- Introduce WW transaction helper (Thomas H)
- Improve debug Kconfig texts a bit (Daniel)
- Unify user object creation code (Jason)
- Use a table for i915_init/exit (Jason)
- Move slabs to module init/exit (Daniel)
- Remove now unused i915_globals (Daniel)
- Extract i915_module.c (Daniel)

- Consistently use adl-p/adl-s in WA comments (Jose)
- Finish INTEL_GEN and friends conversion (Lucas)
- Correct variable/function namings (Lucas)
- Code checker fixes (Wan, Matt A)
- Tracepoint improvements (Matt B)
- Kerneldoc improvements (Tvrtko, Jason, Matt A, Maarten)
- Selftest improvements (Chris, Matt A, Tejas, Thomas H, John, Matt B,
  Rahul, Vinay)

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

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YQ0JmYiXhGskNcrI@jlahtine-mobl.ger.corp.intel.com
2021-08-12 09:56:04 +10:00
Dillon Min
7dbdce8062 dt-bindings: display: panel: Add ilitek ili9341 panel bindings
Add documentation for "ilitek,ili9341" panel.

Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/lkml/1626853288-31223-2-git-send-email-dillon.minfei@gmail.com/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1627098243-2742-2-git-send-email-dillon.minfei@gmail.com
2021-08-05 11:08:14 +02:00
Artjom Vejsel
fed4c105ac
dt-bindings: Add DT bindings for QiShenglong Gopher 2b panel
Add DT bindings for QiShenglong Gopher 2b 4.3" 480(RGB)x272 TFT LCD
panel.

Signed-off-by: Artjom Vejsel <akawolf0@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210804002353.76385-3-akawolf0@gmail.com
2021-08-05 09:45:23 +02:00
Simon Ser
6e5b47a4f1 drm: document drm_mode_get_property
It's not obvious what the fields mean and how they should be used.
The most important detail is the link to drm_property.flags, which
describes how property types work.

v2: document enum drm_mode_property_enum, add ref to "Modeset Base
Object Abstraction" (Daniel)

Signed-off-by: Simon Ser <contact@emersion.fr>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Leandro Ribeiro <leandro.ribeiro@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210802072826.500078-1-contact@emersion.fr
2021-08-02 12:59:33 +02:00
Alistair Francis
9746f5fe70 drm/panel: Add support for E Ink VB3300-KCA
Add support for the 10.3" E Ink panel described at:
https://www.eink.com/product.html?type=productdetail&id=7

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Acked-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/20210801004701.831-1-alistair@alistair23.me
2021-08-01 07:46:00 +02:00
Desmond Cheong Zhi Xi
d793b8f732 drm: clarify usage of drm leases
We make the following changes to the documentation of drm leases to
make it easier to reason about their usage. In particular, we clarify
the lifetime and locking rules of lease fields in drm_master:

1. Make it clear that &drm_device.mode_config.idr_mutex protects the
lease idr and list structures for drm_master. The lessor field itself
doesn't need to be protected as it doesn't change after it's set in
drm_lease_create.

2. Add descriptions for the lifetime of lessors and leases.

3. Add an overview DOC: section in drm-uapi.rst that defines the
terminology for drm leasing, and explains how leases work and why
they're used.

Signed-off-by: Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728102739.441543-1-desmondcheongzx@gmail.com
2021-07-29 09:12:01 +02:00
Maarten Lankhorst
ca31fef11d Backmerge remote-tracking branch 'drm/drm-next' into drm-misc-next
Required bump from v5.13-rc3 to v5.14-rc3, and to pick up sysfb compilation fixes.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2021-07-27 12:48:17 +02:00
Daniel Vetter
ba6cd766e0 drm/plane: Move drm_plane_enable_fb_damage_clips into core
We're trying to have a fairly strict split between core functionality
that defines the uapi, including the docs, and the helper functions to
implement it.

Move drm_plane_enable_fb_damage_clips and associated kerneldoc into
drm_plane from drm_damage_helper.c to fix this.

Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210723083457.696939-3-daniel.vetter@ffwll.ch
2021-07-27 12:21:22 +02:00
Artjom Vejsel
f98f273f3a dt-bindings: Add QiShenglong vendor prefix
Add vendor prefix for Shenzhen QiShenglong Industrialist Co., Ltd.
QiShenglong is a Chinese manufacturer of handheld gaming consoles, most of
which run (very old) versions of Linux.
QiShenglong is known as Hamy.

Signed-off-by: Artjom Vejsel <akawolf0@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210725221527.1771892-2-akawolf0@gmail.com
2021-07-26 21:59:08 +02:00
Bjorn Andersson
fdb57c3217 dt-bindings: display: simple: Add AUO B133HAN05 & B140HAN06
Add bindings for the two AUO panels B133HAN05 and B140HAN06, both
1920x1080 panels with 16.7M colors, first being 13.3" and the latter
14.0".

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210726173300.432039-1-bjorn.andersson@linaro.org
2021-07-26 21:57:07 +02:00
Dave Airlie
35482f9dc5 Linux 5.14-rc3
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Backmerge tag 'v5.14-rc3' into drm-next

Linux 5.14-rc3

Daniel said we should pull the nouveau fix from fixes in here, probably
a good plan.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-07-26 09:27:59 +10:00
Alyssa Rosenzweig
79e93d0a74 documentation: Update #nouveau IRC channel network
Like many free software projects, Nouveau recently moved from Freenode
to OFTC. Update the reference.

v3: Add acks.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210725150007.2818-1-alyssa@rosenzweig.io
2021-07-25 22:20:55 +02:00
Heiko Stuebner
a812413984 dt-bindings: display: rockchip-dsi: add optional #phy-cells property
The Rockchip DSI controller on some SoCs also controls a bidrectional
dphy, which would be connected to an Image Signal Processor as a phy
in the rx configuration.

So allow a #phy-cells property for the dsi controller.

Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Sebastian Fricke <sebastian.fricke@posteo.net>
Acked-by: Helen Koike <helen.koike@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210210111020.2476369-3-heiko@sntech.de
2021-07-25 17:05:52 +02:00
Geert Uytterhoeven
1f49bf8b6a dt-bindings: display: ssd1307fb: Convert to json-schema
Convert the Solomon SSD1307 Framebuffer Device Tree binding
documentation to json-schema.

Fix the spelling of the "pwms" property.
Document default values.
Make properties with default values not required.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714145122.2530176-1-geert@linux-m68k.org
2021-07-25 14:23:00 +02:00
Oleksij Rempel
6474e67eab dt-bindings: display: simple: add some Logic Technologies and Multi-Inno panels
Add Logictechno and Multi-Inno panels:
- Logic Technologies LTTD800x480 L2RT 7" 800x480 TFT Resistive Touch Module
- Logic Technologies LTTD800480070-L6WH-RT 7” 800x480 TFT Resistive Touch Module
- Multi-Inno Technology Co.,Ltd MI1010AIT-1CP 10.1" 1280x800 LVDS IPS Cap Touch Mod.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714045349.10963-2-o.rempel@pengutronix.de
2021-07-25 14:00:47 +02:00
Peter Collingbourne
e71e2ace57 userfaultfd: do not untag user pointers
Patch series "userfaultfd: do not untag user pointers", v5.

If a user program uses userfaultfd on ranges of heap memory, it may end
up passing a tagged pointer to the kernel in the range.start field of
the UFFDIO_REGISTER ioctl.  This can happen when using an MTE-capable
allocator, or on Android if using the Tagged Pointers feature for MTE
readiness [1].

When a fault subsequently occurs, the tag is stripped from the fault
address returned to the application in the fault.address field of struct
uffd_msg.  However, from the application's perspective, the tagged
address *is* the memory address, so if the application is unaware of
memory tags, it may get confused by receiving an address that is, from
its point of view, outside of the bounds of the allocation.  We observed
this behavior in the kselftest for userfaultfd [2] but other
applications could have the same problem.

Address this by not untagging pointers passed to the userfaultfd ioctls.
Instead, let the system call fail.  Also change the kselftest to use
mmap so that it doesn't encounter this problem.

[1] https://source.android.com/devices/tech/debug/tagged-pointers
[2] tools/testing/selftests/vm/userfaultfd.c

This patch (of 2):

Do not untag pointers passed to the userfaultfd ioctls.  Instead, let
the system call fail.  This will provide an early indication of problems
with tag-unaware userspace code instead of letting the code get confused
later, and is consistent with how we decided to handle brk/mmap/mremap
in commit dcde237319 ("mm: Avoid creating virtual address aliases in
brk()/mmap()/mremap()"), as well as being consistent with the existing
tagged address ABI documentation relating to how ioctl arguments are
handled.

The code change is a revert of commit 7d0325749a ("userfaultfd: untag
user pointers") plus some fixups to some additional calls to
validate_range that have appeared since then.

[1] https://source.android.com/devices/tech/debug/tagged-pointers
[2] tools/testing/selftests/vm/userfaultfd.c

Link: https://lkml.kernel.org/r/20210714195437.118982-1-pcc@google.com
Link: https://lkml.kernel.org/r/20210714195437.118982-2-pcc@google.com
Link: https://linux-review.googlesource.com/id/I761aa9f0344454c482b83fcfcce547db0a25501b
Fixes: 63f0c60379 ("arm64: Introduce prctl() options to control the tagged user addresses ABI")
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alistair Delva <adelva@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: Mitch Phillips <mitchp@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: William McVicker <willmcvicker@google.com>
Cc: <stable@vger.kernel.org>	[5.4]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-23 17:43:28 -07:00
Linus Torvalds
05daae0fb0 Tracing fixes for 5.14-rc2:
- Fix deadloop in ring buffer because of using stale "read" variable
 
 - Fix synthetic event use of field_pos as boolean and not an index
 
 - Fixed histogram special var "cpu" overriding event fields called "cpu"
 
 - Cleaned up error prone logic in alloc_synth_event()
 
 - Removed call to synchronize_rcu_tasks_rude() when not needed
 
 - Removed redundant initialization of a local variable "ret"
 
 - Fixed kernel crash when updating tracepoint callbacks of different
   priorities.
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Merge tag 'trace-v5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix deadloop in ring buffer because of using stale "read" variable

 - Fix synthetic event use of field_pos as boolean and not an index

 - Fixed histogram special var "cpu" overriding event fields called
   "cpu"

 - Cleaned up error prone logic in alloc_synth_event()

 - Removed call to synchronize_rcu_tasks_rude() when not needed

 - Removed redundant initialization of a local variable "ret"

 - Fixed kernel crash when updating tracepoint callbacks of different
   priorities.

* tag 'trace-v5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracepoints: Update static_call before tp_funcs when adding a tracepoint
  ftrace: Remove redundant initialization of variable ret
  ftrace: Avoid synchronize_rcu_tasks_rude() call when not necessary
  tracing: Clean up alloc_synth_event()
  tracing/histogram: Rename "cpu" to "common_cpu"
  tracing: Synthetic event field_pos is an index not a boolean
  tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop.
2021-07-23 11:25:21 -07:00
Linus Torvalds
e7562a00c1 sound fixes for 5.14-rc3
A collection of small fixes, mostly covering device-specific
 regressions and bugs over ASoC, HD-audio and USB-audio, while the
 ALSA PCM core received a few additional fixes for the possible
 (new and old) regressions.
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Merge tag 'sound-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of small fixes, mostly covering device-specific
  regressions and bugs over ASoC, HD-audio and USB-audio, while
  the ALSA PCM core received a few additional fixes for the
  possible (new and old) regressions"

* tag 'sound-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (29 commits)
  ALSA: usb-audio: Add registration quirk for JBL Quantum headsets
  ALSA: hda/hdmi: Add quirk to force pin connectivity on NUC10
  ALSA: pcm: Fix mmap without buffer preallocation
  ALSA: pcm: Fix mmap capability check
  ALSA: hda: intel-dsp-cfg: add missing ElkhartLake PCI ID
  ASoC: ti: j721e-evm: Check for not initialized parent_clk_id
  ASoC: ti: j721e-evm: Fix unbalanced domain activity tracking during startup
  ALSA: hda/realtek: Fix pop noise and 2 Front Mic issues on a machine
  ALSA: hdmi: Expose all pins on MSI MS-7C94 board
  ALSA: sb: Fix potential ABBA deadlock in CSP driver
  ASoC: rt5682: Fix the issue of garbled recording after powerd_dbus_suspend
  ASoC: amd: reverse stop sequence for stoneyridge platform
  ASoC: soc-pcm: add a flag to reverse the stop sequence
  ASoC: codecs: wcd938x: setup irq during component bind
  ASoC: dt-bindings: renesas: rsnd: Fix incorrect 'port' regex schema
  ALSA: usb-audio: Add missing proc text entry for BESPOKEN type
  ASoC: codecs: wcd938x: make sdw dependency explicit in Kconfig
  ASoC: SOF: Intel: Update ADL descriptor to use ACPI power states
  ASoC: rt5631: Fix regcache sync errors on resume
  ALSA: pcm: Call substream ack() method upon compat mmap commit
  ...
2021-07-23 09:58:23 -07:00
Steven Rostedt (VMware)
1e3bac71c5 tracing/histogram: Rename "cpu" to "common_cpu"
Currently the histogram logic allows the user to write "cpu" in as an
event field, and it will record the CPU that the event happened on.

The problem with this is that there's a lot of events that have "cpu"
as a real field, and using "cpu" as the CPU it ran on, makes it
impossible to run histograms on the "cpu" field of events.

For example, if I want to have a histogram on the count of the
workqueue_queue_work event on its cpu field, running:

 ># echo 'hist:keys=cpu' > events/workqueue/workqueue_queue_work/trigger

Gives a misleading and wrong result.

Change the command to "common_cpu" as no event should have "common_*"
fields as that's a reserved name for fields used by all events. And
this makes sense here as common_cpu would be a field used by all events.

Now we can even do:

 ># echo 'hist:keys=common_cpu,cpu if cpu < 100' > events/workqueue/workqueue_queue_work/trigger
 ># cat events/workqueue/workqueue_queue_work/hist
 # event histogram
 #
 # trigger info: hist:keys=common_cpu,cpu:vals=hitcount:sort=hitcount:size=2048 if cpu < 100 [active]
 #

 { common_cpu:          0, cpu:          2 } hitcount:          1
 { common_cpu:          0, cpu:          4 } hitcount:          1
 { common_cpu:          7, cpu:          7 } hitcount:          1
 { common_cpu:          0, cpu:          7 } hitcount:          1
 { common_cpu:          0, cpu:          1 } hitcount:          1
 { common_cpu:          0, cpu:          6 } hitcount:          2
 { common_cpu:          0, cpu:          5 } hitcount:          2
 { common_cpu:          1, cpu:          1 } hitcount:          4
 { common_cpu:          6, cpu:          6 } hitcount:          4
 { common_cpu:          5, cpu:          5 } hitcount:         14
 { common_cpu:          4, cpu:          4 } hitcount:         26
 { common_cpu:          0, cpu:          0 } hitcount:         39
 { common_cpu:          2, cpu:          2 } hitcount:        184

Now for backward compatibility, I added a trick. If "cpu" is used, and
the field is not found, it will fall back to "common_cpu" and work as
it did before. This way, it will still work for old programs that use
"cpu" to get the actual CPU, but if the event has a "cpu" as a field, it
will get that event's "cpu" field, which is probably what it wants
anyway.

I updated the tracefs/README to include documentation about both the
common_timestamp and the common_cpu. This way, if that text is present in
the README, then an application can know that common_cpu is supported over
just plain "cpu".

Link: https://lkml.kernel.org/r/20210721110053.26b4f641@oasis.local.home

Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: stable@vger.kernel.org
Fixes: 8b7622bf94 ("tracing: Add cpu field for hist triggers")
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-07-23 08:44:47 -04:00
Maxime Ripard
c18c36dc75
Documentation: gpu: Mention the requirements for new properties
New KMS properties come with a bunch of requirements to avoid each
driver from running their own, inconsistent, set of properties,
eventually leading to issues like property conflicts, inconsistencies
between drivers and semantics, etc.

Let's document what we expect.

Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720143544.571760-1-maxime@cerno.tech
2021-07-23 13:51:58 +02:00
Dave Airlie
8da49a33dd drm-misc-next for v5.15-rc1:
UAPI Changes:
 - Remove sysfs stats for dma-buf attachments, as it causes a performance regression.
   Previous merge is not in a rc kernel yet, so no userspace regression possible.
 
 Cross-subsystem Changes:
 - Sanitize user input in kyro's viewport ioctl.
 - Use refcount_t in fb_info->count
 - Assorted fixes to dma-buf.
 - Extend x86 efifb handling to all archs.
 - Fix neofb divide by 0.
 - Document corpro,gm7123 bridge dt bindings.
 
 Core Changes:
 - Slightly rework drm master handling.
 - Cleanup vgaarb handling.
 - Assorted fixes.
 
 Driver Changes:
 - Add support for ws2401 panel.
 - Assorted fixes to stm, ast, bochs.
 - Demidlayer ingenic irq.
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Merge tag 'drm-misc-next-2021-07-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.15-rc1:

UAPI Changes:
- Remove sysfs stats for dma-buf attachments, as it causes a performance regression.
  Previous merge is not in a rc kernel yet, so no userspace regression possible.

Cross-subsystem Changes:
- Sanitize user input in kyro's viewport ioctl.
- Use refcount_t in fb_info->count
- Assorted fixes to dma-buf.
- Extend x86 efifb handling to all archs.
- Fix neofb divide by 0.
- Document corpro,gm7123 bridge dt bindings.

Core Changes:
- Slightly rework drm master handling.
- Cleanup vgaarb handling.
- Assorted fixes.

Driver Changes:
- Add support for ws2401 panel.
- Assorted fixes to stm, ast, bochs.
- Demidlayer ingenic irq.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2d0d2fe8-01fc-e216-c3fd-38db9e69944e@linux.intel.com
2021-07-23 11:32:43 +10:00
Linus Torvalds
4784dc99c7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix type of bind option flag in af_xdp, from Baruch Siach.

 2) Fix use after free in bpf_xdp_link_release(), from Xuan Zhao.

 3) PM refcnt imbakance in r8152, from Takashi Iwai.

 4) Sign extension ug in liquidio, from Colin Ian King.

 5) Mising range check in s390 bpf jit, from Colin Ian King.

 6) Uninit value in caif_seqpkt_sendmsg(), from Ziyong Xuan.

 7) Fix skb page recycling race, from Ilias Apalodimas.

 8) Fix memory leak in tcindex_partial_destroy_work, from Pave Skripkin.

 9) netrom timer sk refcnt issues, from Nguyen Dinh Phi.

10) Fix data races aroun tcp's tfo_active_disable_stamp, from Eric
    Dumazet.

11) act_skbmod should only operate on ethernet packets, from Peilin Ye.

12) Fix slab out-of-bpunds in fib6_nh_flush_exceptions(),, from Psolo
    Abeni.

13) Fix sparx5 dependencies, from Yajun Deng.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
  dpaa2-switch: seed the buffer pool after allocating the swp
  net: sched: cls_api: Fix the the wrong parameter
  net: sparx5: fix unmet dependencies warning
  net: dsa: tag_ksz: dont let the hardware process the layer 4 checksum
  net: dsa: ensure linearized SKBs in case of tail taggers
  ravb: Remove extra TAB
  ravb: Fix a typo in comment
  net: dsa: sja1105: make VID 4095 a bridge VLAN too
  tcp: disable TFO blackhole logic by default
  sctp: do not update transport pathmtu if SPP_PMTUD_ENABLE is not set
  net: ixp46x: fix ptp build failure
  ibmvnic: Remove the proper scrq flush
  selftests: net: add ESP-in-UDP PMTU test
  udp: check encap socket in __udp_lib_err
  sctp: update active_key for asoc when old key is being replaced
  r8169: Avoid duplicate sysfs entry creation error
  ixgbe: Fix packet corruption due to missing DMA sync
  Revert "qed: fix possible unpaired spin_{un}lock_bh in _qed_mcp_cmd_and_union()"
  ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions
  fsl/fman: Add fibre support
  ...
2021-07-22 10:11:27 -07:00
Maxime Ripard
474596fc74
dt-bindings: display: simple-bridge: Add corpro,gm7123 compatible
The corpro,gm7123 was in use in a DT but was never properly documented,
let's add it.

Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721140424.725744-12-maxime@cerno.tech
2021-07-22 11:42:54 +02:00
Wei Wang
213ad73d06 tcp: disable TFO blackhole logic by default
Multiple complaints have been raised from the TFO users on the internet
stating that the TFO blackhole logic is too aggressive and gets falsely
triggered too often.
(e.g. https://blog.apnic.net/2021/07/05/tcp-fast-open-not-so-fast/)
Considering that most middleboxes no longer drop TFO packets, we decide
to disable the blackhole logic by setting
/proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_set to 0 by default.

Fixes: cf1ef3f071 ("net/tcp_fastopen: Disable active side TFO in certain scenarios")
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-21 22:50:31 -07:00
Linus Torvalds
7c3d49b0b5 regulator: Fixes for v5.14
A few driver specific fixes that came in since the merge window, plus a
 change to mark the regulator-fixed-domain DT binding as deprecated in
 order to try to to discourage any new users while a better solution is
 put in place.
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Merge tag 'regulator-fix-v5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few driver specific fixes that came in since the merge window, plus
  a change to mark the regulator-fixed-domain DT binding as deprecated
  in order to try to to discourage any new users while a better solution
  is put in place"

* tag 'regulator-fix-v5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: hi6421: Fix getting wrong drvdata
  regulator: mtk-dvfsrc: Fix wrong dev pointer for devm_regulator_register
  regulator: fixed: Mark regulator-fixed-domain as deprecated
  regulator: bd9576: Fix testing wrong flag in check_temp_flag_mismatch
  regulator: hi6421v600: Fix getting wrong drvdata that causes boot failure
  regulator: rt5033: Fix n_voltages settings for BUCK and LDO
  regulator: rtmv20: Fix wrong mask for strobe-polarity-high
2021-07-21 12:37:49 -07:00
Takashi Iwai
234d8f2726 ASoC: Fixes for v5.14
A collection of fixes for ASoC that have come in since the merge window,
 all driver specific.  There is a new core feature added for reversing
 the order of operations when shutting down, this is needed to fix a bug
 with the AMD Stonyridge platform, and we also tweak the Kconfig to make
 the SSM2518 driver user selectable so it can be used with generic cards
 but that requires no actual code changes.
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Merge tag 'asoc-fix-v5.14-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.14

A collection of fixes for ASoC that have come in since the merge window,
all driver specific.  There is a new core feature added for reversing
the order of operations when shutting down, this is needed to fix a bug
with the AMD Stonyridge platform, and we also tweak the Kconfig to make
the SSM2518 driver user selectable so it can be used with generic cards
but that requires no actual code changes.
2021-07-21 19:48:09 +02:00
Dave Airlie
588b3eee52 drm-misc-next for v5.15:
UAPI Changes:
 
 Cross-subsystem Changes:
 - udmabuf: Add support for mapping hugepages
 - Add dma-buf stats to sysfs.
 - Assorted fixes to fbdev/omap2.
 - dma-buf: Document DMA_BUF_IOCTL_SYNC
 - Improve dma-buf non-dynamic exporter expectations better.
 - Add module parameters for dma-buf size and list limit.
 - Add HDMI codec support to vc4, to replace vc4's own codec.
 - Document dma-buf implicit fencing rules.
 - dma_resv_test_signaled test_all handling.
 
 Core Changes:
 - Extract i915's eDP backlight code into DRM helpers.
 - Assorted docbook updates.
 - Rework drm_dp_aux documentation.
 - Add support for the DP aux bus.
 - Shrink dma-fence-chain slightly.
 - Add alloc/free helpers for dma-fence-chain.
 - Assorted fixes to TTM., drm/of, bridge
 - drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
 - Small fix for scheduler completion.
 - Remove use of drm_device.irq_enabled.
 - Print the driver name to dmesg when registering framebuffer.
 - Export drm/gem's shadow plane handling, and use it in vkms.
 - Assorted small fixes.
 
 Driver Changes:
 - Add eDP backlight to nouveau.
 - Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
   amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
 - Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
   EDT ETM0350G0DH6, Innolux EJ030NA panels.
 - Fix some simple pannels missing bus_format and connector types.
 - Add mks-guest-stats instrumentation support to vmwgfx.
 - Merge i915-ttm topic branch.
 - Make s6e63m0 panel use Mipi-DBI helpers.
 - Add detect() supoprt for AST.
 - Use interrupts for hotplug on vc4.
 - vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
 - vmwgfx now uses copies of vmware's internal device headers.
 - Slowly convert ti-sn65dsi83 over to atomic.
 - Rework amdgpu dma-resv handling.
 - Fix virtio fencing for planes.
 - Ensure amdgpu can always evict to SYSTEM.
 - Many drivers fixed for implicit fencing rules.
 - Set default prepare/cleanup fb for tiny, vram and simple helpers too.
 - Rework panfrost gpu reset and related serialization.
 - Update VKMS todo list.
 - Make bochs a tiny gpu driver, and use vram helper.
 - Use linux irq interfaces instead of drm_irq in some drivers.
 - Add support for Raspberry Pi Pico to GUD.
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Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.15:

UAPI Changes:

Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.

Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.

Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
  amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
  EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.

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

# gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST
# gpg:                using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3
# gpg: Good signature from "Maarten Lankhorst <maarten.lankhorst@linux.intel.com>" [expired]
# gpg:                 aka "Maarten Lankhorst <maarten@debian.org>" [expired]
# gpg:                 aka "Maarten Lankhorst <maarten.lankhorst@canonical.com>" [expired]
# gpg: Note: This key has expired!
# Primary key fingerprint: B97B D6A8 0CAC 4981 091A  E547 FE55 8C72 A670 13C3
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/444811c3-cbec-e9d5-9a6b-9632eda7962a@linux.intel.com
2021-07-21 11:58:28 +10:00
Hridya Valsaraju
c715def515 dma-buf: Delete the DMA-BUF attachment sysfs statistics
The DMA-BUF attachment statistics form a subset of the DMA-BUF
sysfs statistics that recently merged to the drm-misc tree. They are not
UABI yet since they have not merged to the upstream Linux kernel.

Since there has been a reported a performance regression due to the
overhead of sysfs directory creation/teardown during
dma_buf_attach()/dma_buf_detach(), this patch deletes the DMA-BUF
attachment statistics from sysfs.

Fixes: bdb8d06dfe ("dmabuf: Add the capability to expose DMA-BUF stats in sysfs")
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210713040742.2680135-1-hridya@google.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2021-07-20 11:06:59 +02:00
Joakim Zhang
e314a07ef2 dt-bindings: net: imx-dwmac: convert imx-dwmac bindings to yaml
In order to automate the verification of DT nodes covert imx-dwmac to
nxp,dwmac-imx.yaml, and pass below checking.

$ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml
$ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-19 10:07:01 -07:00
Joakim Zhang
bdad810eb9 dt-bindings: net: snps,dwmac: add missing DWMAC IP version
Add missing DWMAC IP version in snps,dwmac.yaml which found by below
command, as NXP i.MX8 families support SNPS DWMAC 5.10a IP.

$ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml
Documentation/devicetree/bindings/net/nxp,dwmac-imx.example.dt.yaml:
ethernet@30bf0000: compatible: None of ['nxp,imx8mp-dwmac-eqos', 'snps,dwmac-5.10a'] are valid under the given schema

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-19 10:07:01 -07:00
Linus Torvalds
6750691a82 Kbuild fixes for v5.14
- Restore the original behavior of scripts/setlocalversion when
    LOCALVERSION is set to empty.
 
  - Show Kconfig prompts even for 'make -s'
 
  - Fix the combination of COFNIG_LTO_CLANG=y and CONFIG_MODVERSIONS=y
    for older GNU Make versions
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Merge tag 'kbuild-fixes-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Restore the original behavior of scripts/setlocalversion when
   LOCALVERSION is set to empty.

 - Show Kconfig prompts even for 'make -s'

 - Fix the combination of COFNIG_LTO_CLANG=y and CONFIG_MODVERSIONS=y
   for older GNU Make versions

* tag 'kbuild-fixes-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Documentation: Fix intiramfs script name
  Kbuild: lto: fix module versionings mismatch in GNU make 3.X
  kbuild: do not suppress Kconfig prompts for silent build
  scripts/setlocalversion: fix a bug when LOCALVERSION is empty
2021-07-18 11:10:30 -07:00
Robert Richter
5e60f363b3 Documentation: Fix intiramfs script name
Documentation was not changed when renaming the script in commit
80e715a06c ("initramfs: rename gen_initramfs_list.sh to
gen_initramfs.sh"). Fixing this.

Basically does:

 $ sed -i -e s/gen_initramfs_list.sh/gen_initramfs.sh/g $(git grep -l gen_initramfs_list.sh)

Fixes: 80e715a06c ("initramfs: rename gen_initramfs_list.sh to gen_initramfs.sh")
Signed-off-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-07-18 23:48:14 +09:00
Linus Torvalds
1d67c8d993 ARM: SoC fixes for v5.14
Here are the patches for this week that came as the fallout of
 the merge window:
 
  - Two fixes for the NVidia memory controller driver
 
  - multiple defconfig files get patched to turn CONFIG_FB back on
    after that is no longer selected by CONFIG_DRM
 
  - ffa and scmpi firmware drivers fixes, mostly addressing compiler
    and documentation warnings
 
  - Platform specific fixes for device tree files on ASpeed,
    Renesas and NVidia SoC, mostly for recent regressions.
 
  - A workaround for a regression on the USB PHY with devlink when
    the usb-nop-xceiv driver is not available until the rootfs is
    mounted.
 
  - Device tree compiler warnings in Arm Versatile-AB
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Here are the patches for this week that came as the fallout of the
  merge window:

   - Two fixes for the NVidia memory controller driver

   - multiple defconfig files get patched to turn CONFIG_FB back on
     after that is no longer selected by CONFIG_DRM

   - ffa and scmpi firmware drivers fixes, mostly addressing compiler
     and documentation warnings

   - Platform specific fixes for device tree files on ASpeed, Renesas
     and NVidia SoC, mostly for recent regressions.

   - A workaround for a regression on the USB PHY with devlink when the
     usb-nop-xceiv driver is not available until the rootfs is mounted.

   - Device tree compiler warnings in Arm Versatile-AB"

* tag 'soc-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
  ARM: dts: versatile: Fix up interrupt controller node names
  ARM: multi_v7_defconfig: Make NOP_USB_XCEIV driver built-in
  ARM: configs: Update u8500_defconfig
  ARM: configs: Update Vexpress defconfig
  ARM: configs: Update Versatile defconfig
  ARM: configs: Update RealView defconfig
  ARM: configs: Update Integrator defconfig
  arm: Typo s/PCI_IXP4XX_LEGACY/IXP4XX_PCI_LEGACY/
  firmware: arm_scmi: Fix range check for the maximum number of pending messages
  firmware: arm_scmi: Avoid padding in sensor message structure
  firmware: arm_scmi: Fix kernel doc warnings about return values
  firmware: arm_scpi: Fix kernel doc warnings
  firmware: arm_scmi: Fix kernel doc warnings
  ARM: shmobile: defconfig: Restore graphical consoles
  firmware: arm_ffa: Fix a possible ffa_linux_errmap buffer overflow
  firmware: arm_ffa: Fix the comment style
  firmware: arm_ffa: Simplify probe function
  firmware: arm_ffa: Ensure drivers provide a probe function
  firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflow
  firmware: arm_scmi: Ensure drivers provide a probe function
  ...
2021-07-17 15:58:24 -07:00
Linus Torvalds
ccbb22b9ab linux-kselftest-kunit-fixes-5.14-rc2
This KUnit fixes update for Linux 5.14-rc2 consists of fixes to kunit
 tool and documentation:
 
 -- asserts on older python versions.
 -- fixes to misleading error messages when TAP header format is
    incorrect or when file is missing.
 -- fixes documentation dropping obsolete information about uml_abort
    coverage.
 -- removing unnecessary annotations
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Merge tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit fixes from Shuah Khan:
 "Fixes to kunit tool and documentation:

   - fix asserts on older python versions

   - fixes to misleading error messages when TAP header format is
     incorrect or when file is missing

   - documentation fix: drop obsolete information about uml_abort
     coverage

   - remove unnecessary annotations"

* tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: Assert the version requirement
  kunit: tool: remove unnecessary "annotations" import
  Documentation: kunit: drop obsolete note about uml_abort for coverage
  kunit: tool: Fix error messages for cases of no tests and wrong TAP header
2021-07-17 12:48:06 -07:00
Linus Walleij
f82ff130a5 drm/panel: Add DT bindings for Samsung LMS380KF01
This adds device tree bindings for the Samsung Mobile Displays
LMS380KF01 RGB DPI display panel.

Cc: devicetree@vger.kernel.org
Cc: phone-devel@vger.kernel.org
Cc: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714225002.1065107-1-linus.walleij@linaro.org
2021-07-17 13:10:27 +02:00
Linus Torvalds
d980cc0620 Devicetree fixes for v5.14, take 1:
- Drop 'resets' as required on renesas,du
 
 - Moving of fixed string patterns for 'properties' instead of
   'patternProperties'
 
 - Drop more redundant minItems/maxItems that we merged in the merge
   window
 
 - Indentation warning fix for sja1105
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Merge tag 'devicetree-fixes-for-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Drop 'resets' as required on renesas,du

 - Moving of fixed string patterns for 'properties' instead of
   'patternProperties'

 - Drop more redundant minItems/maxItems that we merged in the merge
   window

 - Indentation warning fix for sja1105

* tag 'devicetree-fixes-for-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: display: renesas,du: Make resets optional on R-Car H1
  dt-bindings: Move fixed string 'patternProperties' to 'properties'
  dt-bindings: More dropping redundant minItems/maxItems
  dt-bindings: net: dsa: sja1105: Fix indentation warnings
2021-07-16 19:08:09 -07:00
Arnd Bergmann
b6e473d1e2 Memory controller drivers for v5.14 - Tegra SoC, late fixes
Two fixes for recent series of changes in Tegra SoC memory controller
 drivers:
 1. Add a stub for tegra_mc_probe_device() to fix compile testing of
    arm-smmu without TEGRA_MC.
 2. Fix arm-smmu dtschema syntax.
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Merge tag 'memory-controller-drv-tegra-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/fixes

Memory controller drivers for v5.14 - Tegra SoC, late fixes

Two fixes for recent series of changes in Tegra SoC memory controller
drivers:
1. Add a stub for tegra_mc_probe_device() to fix compile testing of
   arm-smmu without TEGRA_MC.
2. Fix arm-smmu dtschema syntax.

* tag 'memory-controller-drv-tegra-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  dt-bindings: arm-smmu: Fix json-schema syntax
  memory: tegra: Add compile-test stub for tegra_mc_probe_device()

Link: https://lore.kernel.org/r/20210625073604.13562-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16 22:51:01 +02:00
Linus Torvalds
872f8edeb6 A handful of fixes in and around documentation. Some funky quotes in
LICENSES/dual/CC-BY-4.0 were giving spdxcheck.py grief; that has been
 fixed on both ends.  Also a couple of features updates and one docs
 build fix.
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Merge tag 'docs-5.14-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of fixes in and around documentation.

  Some funky quotes in LICENSES/dual/CC-BY-4.0 were giving spdxcheck.py
  grief; that has been fixed on both ends. Also a couple of features
  updates and one docs build fix"

* tag 'docs-5.14-2' of git://git.lwn.net/linux:
  docs/zh_CN: add a missing space character
  Documentation/features: Add THREAD_INFO_IN_TASK feature matrix
  Documentation/features: Update the ARCH_HAS_TICK_BROADCAST entry
  LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
  scripts/spdxcheck.py: Strictly read license files in utf-8
2021-07-16 13:35:04 -07:00
Geert Uytterhoeven
50d8d7e19c dt-bindings: display: renesas,du: Make resets optional on R-Car H1
The "resets" property is not present on R-Car Gen1 SoCs.
Supporting it would require migrating from renesas,cpg-clocks to
renesas,cpg-mssr.

Reflect this in the DT bindings by removing the global "required:
resets".  All SoCs that do have "resets" properties already have
SoC-specific rules making it required.

Fixes: 99d66127fa ("dt-bindings: display: renesas,du: Convert binding to YAML")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/98575791b154d80347d5b78132c1d53f5315ee62.1626257936.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2021-07-16 12:03:27 -06:00
Maarten Lankhorst
1cbf731ef3 drm/i915: Fix missing docbook chapters for i915 uapi.
I noticed when grepping for DOC: that those were defined
in the header, but not actually used. Fix it by removing
all chapters and the internal annotation, so the docbook
generated chapters are used.

This reverts the changes to driver-uapi.rst by the referenced commit
577729533c ("drm/i915: Document the Virtual Engine uAPI")

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210715120842.806605-1-maarten.lankhorst@linux.intel.com
Fixes: 577729533c ("drm/i915: Document the Virtual Engine uAPI")
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
2021-07-16 10:52:59 +02:00
David S. Miller
20192d9c9f Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Andrii Nakryiko says:

====================
pull-request: bpf 2021-07-15

The following pull-request contains BPF updates for your *net* tree.

We've added 9 non-merge commits during the last 5 day(s) which contain
a total of 9 files changed, 37 insertions(+), 15 deletions(-).

The main changes are:

1) Fix NULL pointer dereference in BPF_TEST_RUN for BPF_XDP_DEVMAP and
   BPF_XDP_CPUMAP programs, from Xuan Zhuo.

2) Fix use-after-free of net_device in XDP bpf_link, from Xuan Zhuo.

3) Follow-up fix to subprog poke descriptor use-after-free problem, from
   Daniel Borkmann and John Fastabend.

4) Fix out-of-range array access in s390 BPF JIT backend, from Colin Ian King.

5) Fix memory leak in BPF sockmap, from John Fastabend.

6) Fix for sockmap to prevent proc stats reporting bug, from John Fastabend
   and Jakub Sitnicki.

7) Fix NULL pointer dereference in bpftool, from Tobias Klauser.

8) AF_XDP documentation fixes, from Baruch Siach.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-15 14:39:45 -07:00
Rob Herring
9a3223b071
ASoC: dt-bindings: renesas: rsnd: Fix incorrect 'port' regex schema
A property regex goes under 'patternProperties', not 'properties'
schema. Otherwise, the regex is interpretted as a fixed string.

Fixes: 17c2d247dd ("ASoC: dt-bindings: renesas: rsnd: tidyup properties")
Cc: Mark Brown <broonie@kernel.org>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210715185952.1470138-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-07-15 20:41:23 +01:00
Rob Herring
f88321a3bf dt-bindings: Move fixed string 'patternProperties' to 'properties'
There's no need for fixed strings to be under 'patternProperties', so move
them under 'properties' instead.

Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: Saravanan Sekar <sravanhome@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: linux-hwmon@vger.kernel.org
Cc: linux-phy@lists.infradead.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210713193514.690894-1-robh@kernel.org
2021-07-15 08:45:33 -06:00
Rob Herring
e8917266ae dt-bindings: More dropping redundant minItems/maxItems
Another round of removing redundant minItems/maxItems from new schema in
the recent merge window.

If a property has an 'items' list, then a 'minItems' or 'maxItems' with the
same size as the list is redundant and can be dropped. Note that is DT
schema specific behavior and not standard json-schema behavior. The tooling
will fixup the final schema adding any unspecified minItems/maxItems.

This condition is partially checked with the meta-schema already, but
only if both 'minItems' and 'maxItems' are equal to the 'items' length.
An improved meta-schema is pending.

Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Will Deacon <will@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Kamal Dasu <kdasu.kdev@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-clk@vger.kernel.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-mtd@lists.infradead.org
Cc: linux-rtc@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20210713193453.690290-1-robh@kernel.org
2021-07-15 08:45:27 -06:00
Thierry Reding
d549c66766 dt-bindings: net: dsa: sja1105: Fix indentation warnings
Some of the lines aren't properly indented, causing yamllint to warn
about them:

    .../nxp,sja1105.yaml:70:17: [warning] wrong indentation: expected 18 but found 16 (indentation)

Use the proper indentation to fix those warnings.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Fixes: 070f5b701d ("dt-bindings: net: dsa: sja1105: add SJA1110 bindings")
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210622113327.3613595-1-thierry.reding@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2021-07-15 07:35:15 -06:00
Hu Haowen
530c4374e2 docs/zh_CN: add a missing space character
"LinusTorvalds" is not pretty. Replace it with "Linus Torvalds".

Signed-off-by: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/20210620010444.24813-1-src.res@email.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-07-15 06:33:44 -06:00
Ingo Molnar
d3fb38266a Documentation/features: Add THREAD_INFO_IN_TASK feature matrix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/YN2nhV5F0hBVNPuX@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-07-15 06:33:44 -06:00
Ingo Molnar
842f697776 Documentation/features: Update the ARCH_HAS_TICK_BROADCAST entry
Risc-V gained support recently.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/YN2nqOVHgGDt4Iid@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-07-15 06:33:44 -06:00
Paul Cercueil
1333adfcc3
dt-bindings: display/panel: Add Innolux EJ030NA
Add binding for the Innolux EJ030NA panel, which is a 320x480 3.0" 4:3
24-bit TFT LCD panel with non-square pixels and a delta-RGB 8-bit
interface.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210625121045.81711-1-paul@crapouillou.net
2021-07-14 21:43:48 +01:00
Linus Torvalds
8096acd744 Networking fixes for 5.14-rc2, including fixes from bpf and netfilter.
Current release - regressions:
 
  - sock: fix parameter order in sock_setsockopt()
 
 Current release - new code bugs:
 
  - netfilter: nft_last:
      - fix incorrect arithmetic when restoring last used
      - honor NFTA_LAST_SET on restoration
 
 Previous releases - regressions:
 
  - udp: properly flush normal packet at GRO time
 
  - sfc: ensure correct number of XDP queues; don't allow enabling the
         feature if there isn't sufficient resources to Tx from any CPU
 
  - dsa: sja1105: fix address learning getting disabled on the CPU port
 
  - mptcp: addresses a rmem accounting issue that could keep packets
         in subflow receive buffers longer than necessary, delaying
 	MPTCP-level ACKs
 
  - ip_tunnel: fix mtu calculation for ETHER tunnel devices
 
  - do not reuse skbs allocated from skbuff_fclone_cache in the napi
    skb cache, we'd try to return them to the wrong slab cache
 
  - tcp: consistently disable header prediction for mptcp
 
 Previous releases - always broken:
 
  - bpf: fix subprog poke descriptor tracking use-after-free
 
  - ipv6:
       - allocate enough headroom in ip6_finish_output2() in case
         iptables TEE is used
       - tcp: drop silly ICMPv6 packet too big messages to avoid
         expensive and pointless lookups (which may serve as a DDOS
 	vector)
       - make sure fwmark is copied in SYNACK packets
       - fix 'disable_policy' for forwarded packets (align with IPv4)
 
  - netfilter: conntrack: do not renew entry stuck in tcp SYN_SENT state
 
  - netfilter: conntrack: do not mark RST in the reply direction coming
       after SYN packet for an out-of-sync entry
 
  - mptcp: cleanly handle error conditions with MP_JOIN and syncookies
 
  - mptcp: fix double free when rejecting a join due to port mismatch
 
  - validate lwtstate->data before returning from skb_tunnel_info()
 
  - tcp: call sk_wmem_schedule before sk_mem_charge in zerocopy path
 
  - mt76: mt7921: continue to probe driver when fw already downloaded
 
  - bonding: fix multiple issues with offloading IPsec to (thru?) bond
 
  - stmmac: ptp: fix issues around Qbv support and setting time back
 
  - bcmgenet: always clear wake-up based on energy detection
 
 Misc:
 
  - sctp: move 198 addresses from unusable to private scope
 
  - ptp: support virtual clocks and timestamping
 
  - openvswitch: optimize operation for key comparison
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Merge tag 'net-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski.
 "Including fixes from bpf and netfilter.

  Current release - regressions:

   - sock: fix parameter order in sock_setsockopt()

  Current release - new code bugs:

   - netfilter: nft_last:
       - fix incorrect arithmetic when restoring last used
       - honor NFTA_LAST_SET on restoration

  Previous releases - regressions:

   - udp: properly flush normal packet at GRO time

   - sfc: ensure correct number of XDP queues; don't allow enabling the
     feature if there isn't sufficient resources to Tx from any CPU

   - dsa: sja1105: fix address learning getting disabled on the CPU port

   - mptcp: addresses a rmem accounting issue that could keep packets in
     subflow receive buffers longer than necessary, delaying MPTCP-level
     ACKs

   - ip_tunnel: fix mtu calculation for ETHER tunnel devices

   - do not reuse skbs allocated from skbuff_fclone_cache in the napi
     skb cache, we'd try to return them to the wrong slab cache

   - tcp: consistently disable header prediction for mptcp

  Previous releases - always broken:

   - bpf: fix subprog poke descriptor tracking use-after-free

   - ipv6:
       - allocate enough headroom in ip6_finish_output2() in case
         iptables TEE is used
       - tcp: drop silly ICMPv6 packet too big messages to avoid
         expensive and pointless lookups (which may serve as a DDOS
         vector)
       - make sure fwmark is copied in SYNACK packets
       - fix 'disable_policy' for forwarded packets (align with IPv4)

   - netfilter: conntrack:
       - do not renew entry stuck in tcp SYN_SENT state
       - do not mark RST in the reply direction coming after SYN packet
         for an out-of-sync entry

   - mptcp: cleanly handle error conditions with MP_JOIN and syncookies

   - mptcp: fix double free when rejecting a join due to port mismatch

   - validate lwtstate->data before returning from skb_tunnel_info()

   - tcp: call sk_wmem_schedule before sk_mem_charge in zerocopy path

   - mt76: mt7921: continue to probe driver when fw already downloaded

   - bonding: fix multiple issues with offloading IPsec to (thru?) bond

   - stmmac: ptp: fix issues around Qbv support and setting time back

   - bcmgenet: always clear wake-up based on energy detection

  Misc:

   - sctp: move 198 addresses from unusable to private scope

   - ptp: support virtual clocks and timestamping

   - openvswitch: optimize operation for key comparison"

* tag 'net-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (158 commits)
  net: dsa: properly check for the bridge_leave methods in dsa_switch_bridge_leave()
  sfc: add logs explaining XDP_TX/REDIRECT is not available
  sfc: ensure correct number of XDP queues
  sfc: fix lack of XDP TX queues - error XDP TX failed (-22)
  net: fddi: fix UAF in fza_probe
  net: dsa: sja1105: fix address learning getting disabled on the CPU port
  net: ocelot: fix switchdev objects synced for wrong netdev with LAG offload
  net: Use nlmsg_unicast() instead of netlink_unicast()
  octeontx2-pf: Fix uninitialized boolean variable pps
  ipv6: allocate enough headroom in ip6_finish_output2()
  net: hdlc: rename 'mod_init' & 'mod_exit' functions to be module-specific
  net: bridge: multicast: fix MRD advertisement router port marking race
  net: bridge: multicast: fix PIM hello router port marking race
  net: phy: marvell10g: fix differentiation of 88X3310 from 88X3340
  dsa: fix for_each_child.cocci warnings
  virtio_net: check virtqueue_add_sgs() return value
  mptcp: properly account bulk freed memory
  selftests: mptcp: fix case multiple subflows limited by server
  mptcp: avoid processing packet if a subflow reset
  mptcp: fix syncookie process if mptcp can not_accept new subflow
  ...
2021-07-14 09:24:32 -07:00