Merge drm/drm-next into drm-intel-next

Catching-up with drm-next and drm-intel-gt-next.
It will unblock a code refactor around the platform
definitions (names vs acronyms).

Signed-off-by: Rodrigo V

Merge drm/drm-next into drm-intel-next

Catching-up with drm-next and drm-intel-gt-next.
It will unblock a code refactor around the platform
definitions (names vs acronyms).

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Merge drm/drm-next into drm-intel-gt-next

Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as
a dependency for https://patchwork.freedesktop.org/series/1

Merge drm/drm-next into drm-intel-gt-next

Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as
a dependency for https://patchwork.freedesktop.org/series/121735/

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

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Merge drm/drm-next into drm-misc-next

Backmerging to get v6.5-rc2.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

ASoC: Merge v6.5-rc2

Get a similar baseline to my other branches, and fixes for people using
the branch.

Merge v6.5-rc1 into drm-misc-fixes

Boris needs 6.5-rc1 in drm-misc-fixes to prevent a conflict.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge branch 'master' into mm-hotfixes-stable

Merge tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()

Merge tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()

The cmpxchg128() family of functions is basically & functionally the
same as cmpxchg_double(), but with a saner interface.

Instead of a 6-parameter horror that forced u128 - u64/u64-halves
layout details on the interface and exposed users to complexity,
fragility & bugs, use a natural 3-parameter interface with u128
types.

- Restructure the generated atomic headers, and add kerneldoc comments
for all of the generic atomic{,64,_long}_t operations.

The generated definitions are much cleaner now, and come with
documentation.

- Implement lock_set_cmp_fn() on lockdep, for defining an ordering when
taking multiple locks of the same type.

This gets rid of one use of lockdep_set_novalidate_class() in the
bcache code.

- Fix raw_cpu_generic_try_cmpxchg() bug due to an unintended variable
shadowing generating garbage code on Clang on certain ARM builds.

* tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
locking/atomic: scripts: fix ${atomic}_dec_if_positive() kerneldoc
percpu: Fix self-assignment of __old in raw_cpu_generic_try_cmpxchg()
locking/atomic: treewide: delete arch_atomic_*() kerneldoc
locking/atomic: docs: Add atomic operations to the driver basic API documentation
locking/atomic: scripts: generate kerneldoc comments
docs: scripts: kernel-doc: accept bitwise negation like ~@var
locking/atomic: scripts: simplify raw_atomic*() definitions
locking/atomic: scripts: simplify raw_atomic_long*() definitions
locking/atomic: scripts: split pfx/name/sfx/order
locking/atomic: scripts: restructure fallback ifdeffery
locking/atomic: scripts: build raw_atomic_long*() directly
locking/atomic: treewide: use raw_atomic*_<op>()
locking/atomic: scripts: add trivial raw_atomic*_<op>()
locking/atomic: scripts: factor out order template generation
locking/atomic: scripts: remove leftover "${mult}"
locking/atomic: scripts: remove bogus order parameter
locking/atomic: xtensa: add preprocessor symbols
locking/atomic: x86: add preprocessor symbols
locking/atomic: sparc: add preprocessor symbols
locking/atomic: sh: add preprocessor symbols
...

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locking/atomic: scripts: generate kerneldoc comments

Currently the atomics are documented in Documentation/atomic_t.txt, and
have no kerneldoc comments. There are a sufficient number of gotchas
(e.g

locking/atomic: scripts: generate kerneldoc comments

Currently the atomics are documented in Documentation/atomic_t.txt, and
have no kerneldoc comments. There are a sufficient number of gotchas
(e.g. semantics, noinstr-safety) that it would be nice to have comments
to call these out, and it would be nice to have kerneldoc comments such
that these can be collated.

While it's possible to derive the semantics from the code, this can be
painful given the amount of indirection we currently have (e.g. fallback
paths), and it's easy to be mislead by naming, e.g.

* The unconditional void-returning ops *only* have relaxed variants
without a _relaxed suffix, and can easily be mistaken for being fully
ordered.

It would be nice to give these a _relaxed() suffix, but this would
result in significant churn throughout the kernel.

* Our naming of conditional and unconditional+test ops is rather
inconsistent, and it can be difficult to derive the name of an
operation, or to identify where an op is conditional or
unconditional+test.

Some ops are clearly conditional:
- dec_if_positive
- add_unless
- dec_unless_positive
- inc_unless_negative

Some ops are clearly unconditional+test:
- sub_and_test
- dec_and_test
- inc_and_test

However, what exactly those test is not obvious. A _test_zero suffix
might be clearer.

Others could be read ambiguously:
- inc_not_zero // conditional
- add_negative // unconditional+test

It would probably be worth renaming these, e.g. to inc_unless_zero and
add_test_negative.

As a step towards making this more consistent and easier to understand,
this patch adds kerneldoc comments for all generated *atomic*_*()
functions. These are generated from templates, with some common text
shared, making it easy to extend these in future if necessary.

I've tried to make these as consistent and clear as possible, and I've
deliberately ensured:

* All ops have their ordering explicitly mentioned in the short and long
description.

* All test ops have "test" in their short description.

* All ops are described as an expression using their usual C operator.
For example:

andnot: "Atomically updates @v to (@v & ~@i)"
inc: "Atomically updates @v to (@v + 1)"

Which may be clearer to non-naative English speakers, and allows all
the operations to be described in the same style.

* All conditional ops have their condition described as an expression
using the usual C operators. For example:

add_unless: "If (@v != @u), atomically updates @v to (@v + @i)"
cmpxchg: "If (@v == @old), atomically updates @v to @new"

Which may be clearer to non-naative English speakers, and allows all
the operations to be described in the same style.

* All bitwise ops (and,andnot,or,xor) explicitly mention that they are
bitwise in their short description, so that they are not mistaken for
performing their logical equivalents.

* The noinstr safety of each op is explicitly described, with a
description of whether or not to use the raw_ form of the op.

There should be no functional change as a result of this patch.

Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230605070124.3741859-26-mark.rutland@arm.com

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Merge branch 'next' into for-linus

Prepare input updates for 5.3 merge window.

Merge tag 'v5.1' into next

Sync up with mainline to bring in the latest APIs.

Merge tag 'drm-intel-next-2019-04-04' into gvt-next

Merge back drm-intel-next for engine name definition refinement
and 54939ea0bd85 ("drm/i915: Switch to use HWS indices rather than addresses")
tha

Merge tag 'drm-intel-next-2019-04-04' into gvt-next

Merge back drm-intel-next for engine name definition refinement
and 54939ea0bd85 ("drm/i915: Switch to use HWS indices rather than addresses")
that would need gvt fixes to depend on.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

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Merge drm/drm-next into drm-misc-next

Finally have a reason for a backmerge other than "it's been a while"!

Backmerging drm-next to -misc-next to facilitate Rob Herring's work on
Panfrost.

Signed-

Merge drm/drm-next into drm-misc-next

Finally have a reason for a backmerge other than "it's been a while"!

Backmerging drm-next to -misc-next to facilitate Rob Herring's work on
Panfrost.

Signed-off-by: Sean Paul <seanpaul@chromium.org>

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Merge tag 'v5.1-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Linux 5.1-rc3

Sync with upstream (which now contains fbdev-v5.1 changes) to
prepare a base

Merge tag 'v5.1-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Linux 5.1-rc3

Sync with upstream (which now contains fbdev-v5.1 changes) to
prepare a base for fbdev-v5.2 changes.

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Merge drm/drm-next into drm-intel-next-queued

This is needed to get the fourcc code merged without conflicts.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Merge tag 'v5.1-rc2' into next-general

Merge to Linux 5.1-rc2 for subsystems to work with.

Merge tag 'v5.1-rc1' into spi-5.2

Linux 5.1-rc1

Merge tag 'v5.1-rc1' into regulator-5.2

Linux 5.1-rc1

Merge tag 'v5.1-rc1' into asoc-5.2

Linux 5.1-rc1

Merge tag 'v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into mlx5-next

Linux 5.1-rc1

We forgot to reset the branch last merge window thus mlx5-next is outdated
and stil

Merge tag 'v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into mlx5-next

Linux 5.1-rc1

We forgot to reset the branch last merge window thus mlx5-next is outdated
and still based on 5.0-rc2. This merge commit is needed to sync mlx5-next
branch with 5.1-rc1.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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Merge tag 'asoc-fix-v5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.1

A few core fixes along with the driver specific ones, mainly fixing

Merge tag 'asoc-fix-v5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.1

A few core fixes along with the driver specific ones, mainly fixing
small issues that only affect x86 platforms for various reasons (their
unusual machine enumeration mechanisms mainly, plus a fix for error
handling in topology).

There's some of the driver fixes that look larger than they are, like
the hdmi-codec changes which resulted in an indentation change, and most
of the other large changes are for new drivers like the STM32 changes.

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Merge remote-tracking branch 'net/master'

Merge tag 'v5.1-rc1' into asoc-5.1

Linux 5.1-rc1

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
"The biggest part of this tree is the new auto-generated atomic

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
"The biggest part of this tree is the new auto-generated atomics API
wrappers by Mark Rutland.

The primary motivation was to allow instrumentation without uglifying
the primary source code.

The linecount increase comes from adding the auto-generated files to
the Git space as well:

include/asm-generic/atomic-instrumented.h | 1689 ++++++++++++++++--
include/asm-generic/atomic-long.h | 1174 ++++++++++---
include/linux/atomic-fallback.h | 2295 +++++++++++++++++++++++++
include/linux/atomic.h | 1241 +------------

I preferred this approach, so that the full call stack of the (already
complex) locking APIs is still fully visible in 'git grep'.

But if this is excessive we could certainly hide them.

There's a separate build-time mechanism to determine whether the
headers are out of date (they should never be stale if we do our job
right).

Anyway, nothing from this should be visible to regular kernel
developers.

Other changes:

- Add support for dynamic keys, which removes a source of false
positives in the workqueue code, among other things (Bart Van
Assche)

- Updates to tools/memory-model (Andrea Parri, Paul E. McKenney)

- qspinlock, wake_q and lockdep micro-optimizations (Waiman Long)

- misc other updates and enhancements"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits)
locking/lockdep: Shrink struct lock_class_key
locking/lockdep: Add module_param to enable consistency checks
lockdep/lib/tests: Test dynamic key registration
lockdep/lib/tests: Fix run_tests.sh
kernel/workqueue: Use dynamic lockdep keys for workqueues
locking/lockdep: Add support for dynamic keys
locking/lockdep: Verify whether lock objects are small enough to be used as class keys
locking/lockdep: Check data structure consistency
locking/lockdep: Reuse lock chains that have been freed
locking/lockdep: Fix a comment in add_chain_cache()
locking/lockdep: Introduce lockdep_next_lockchain() and lock_chain_count()
locking/lockdep: Reuse list entries that are no longer in use
locking/lockdep: Free lock classes that are no longer in use
locking/lockdep: Update two outdated comments
locking/lockdep: Make it easy to detect whether or not inside a selftest
locking/lockdep: Split lockdep_free_key_range() and lockdep_reset_lock()
locking/lockdep: Initialize the locks_before and locks_after lists earlier
locking/lockdep: Make zap_class() remove all matching lock order entries
locking/lockdep: Reorder struct lock_class members
locking/lockdep: Avoid that add_chain_cache() adds an invalid chain to the cache
...

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locking/atomics: Change 'fold' to 'grep'

Some distibutions and build systems doesn't include 'fold' from
coreutils default.

.../scripts/atomic/atomic-tbl.sh: line 183: fold: command not found

Rewo

locking/atomics: Change 'fold' to 'grep'

Some distibutions and build systems doesn't include 'fold' from
coreutils default.

.../scripts/atomic/atomic-tbl.sh: line 183: fold: command not found

Rework to use 'grep' instead of 'fold' to use a dependency that is
already used a lot in the kernel.

[Mark: rework commit message]

Suggested-by: Will Deacon <will.deacon@arm.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: akpm@linux-foundation.org
Cc: boqun.feng@gmail.com
Cc: linux-kernel@vger.kernel.rg
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Merge branch 'locking/atomics' into locking/core, to pick up WIP commits

Signed-off-by: Ingo Molnar <mingo@kernel.org>