Merge drm/drm-fixes into drm-misc-fixes

Getting fixes and updates from v7.1-rc1.

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

Merge tag 'bitmap-for-v7.1' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

- new API: bitmap_weight_from() and bitmap_weighted_xor() (Yury)

- drop unused __find_nth_andno

Merge tag 'bitmap-for-v7.1' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

- new API: bitmap_weight_from() and bitmap_weighted_xor() (Yury)

- drop unused __find_nth_andnot_bit() (Yury)

- new tests and test improvements (Andy, Akinobu, Yury)

- fixes for count_zeroes API (Yury)

- cleanup bitmap_print_to_pagebuf() mess (Yury)

- documentation updates (Andy, Kai, Kit).

* tag 'bitmap-for-v7.1' of https://github.com/norov/linux: (24 commits)
bitops: Update kernel-doc for sign_extendXX()
powerpc/xive: simplify xive_spapr_debug_show()
thermal: intel: switch cpumask_get() to using cpumask_print_to_pagebuf()
coresight: don't use bitmap_print_to_pagebuf()
lib/prime_numbers: drop temporary buffer in dump_primes()
drm/xe: switch xe_pagefault_queue_init() to using bitmap_weighted_or()
ice: use bitmap_empty() in ice_vf_has_no_qs_ena
ice: use bitmap_weighted_xor() in ice_find_free_recp_res_idx()
bitmap: introduce bitmap_weighted_xor()
bitmap: add test_zero_nbits()
bitmap: exclude nbits == 0 cases from bitmap test
bitmap: test bitmap_weight() for more
asm-generic/bitops: Fix a comment typo in instrumented-atomic.h
bitops: fix kernel-doc parameter name for parity8()
lib: count_zeros: unify count_{leading,trailing}_zeros()
lib: count_zeros: fix 32/64-bit inconsistency in count_trailing_zeros()
lib: crypto: fix comments for count_leading_zeros()
x86/topology: use bitmap_weight_from()
bitmap: add bitmap_weight_from()
lib/find_bit_benchmark: avoid clearing randomly filled bitmap in test_find_first_bit()
...

show more ...

bitmap: add test_zero_nbits()

In most real-life cases, 0-length bitmap provided by user is a sign of
an error. The API doesn't provide any guarantees on returned value, and
the bitmap pointers are n

bitmap: add test_zero_nbits()

In most real-life cases, 0-length bitmap provided by user is a sign of
an error. The API doesn't provide any guarantees on returned value, and
the bitmap pointers are not dereferenced.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

bitmap: exclude nbits == 0 cases from bitmap test

Bitmap API handles nbits == 0 in most cases correctly, i.e. it doesn't
dereferene underlying bitmap and returns a sane value where convenient,
or im

bitmap: exclude nbits == 0 cases from bitmap test

Bitmap API handles nbits == 0 in most cases correctly, i.e. it doesn't
dereferene underlying bitmap and returns a sane value where convenient,
or implementation defined, or undef.

Implicitly testing nbits == 0 case, however, may make an impression that
this is a regular case. This is wrong. In most cases nbits == 0 is a
sign of an error on a client side. The tests should not make such an
implression.

This patch reworks the existing tests to not test nbits == 0. The
following patch adds an explicit test for it with an appropriate
precaution.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

bitmap: test bitmap_weight() for more

Test the function for correctness when some bits are set in the last word
of bitmap beyond nbits. This is motivated by commit a9dadc1c512807f9
("powerpc/xive: F

bitmap: test bitmap_weight() for more

Test the function for correctness when some bits are set in the last word
of bitmap beyond nbits. This is motivated by commit a9dadc1c512807f9
("powerpc/xive: Fix the size of the cpumask used in
xive_find_target_in_mask()").

Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

bitmap: add bitmap_weight_from()

The function calculates a Hamming weight of a bitmap starting from an
arbitrary bit.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

bitmap: align test_bitmap output

Different subtests print output in slightly different formats. Unify the
format for better visual representation.

The test output before:

[ 0.553474] test_bitma

bitmap: align test_bitmap output

Different subtests print output in slightly different formats. Unify the
format for better visual representation.

The test output before:

[ 0.553474] test_bitmap: parselist: 14: input is '0-2047:128/256' OK, Time: 202
[ 0.555121] test_bitmap: bitmap_print_to_pagebuf: input is '0-32767
[ 0.555121] ', Time: 1278
[ 0.578392] test_bitmap: Time spent in test_bitmap_read_perf: 427864
[ 0.580137] test_bitmap: Time spent in test_bitmap_write_perf: 793554
[ 0.581957] test_bitmap: all 390447 tests passed

And after:

[ 0.314982] test_bitmap: parselist('0-2047:128/256'): 135
[ 0.315517] test_bitmap: scnprintf("%*pbl", '0-32767'): 342
[ 0.330045] test_bitmap: test_bitmap_read_perf: 252294
[ 0.331132] test_bitmap: test_bitmap_write_perf: 539001
[ 0.332163] test_bitmap: all 390447 tests passed

Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

bitmap: switch test to scnprintf("%*pbl")

scnprintf("%*pbl") is more verbose than bitmap_print_to_pagebuf().
Switch the test to using it. This also improves the test output
because bitmap_print_to_p

bitmap: switch test to scnprintf("%*pbl")

scnprintf("%*pbl") is more verbose than bitmap_print_to_pagebuf().
Switch the test to using it. This also improves the test output
because bitmap_print_to_pagebuf() adds \n at the end of the printed
bitmap, which breaks the test format.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

bitmap: Add test for out-of-boundary modifications for scatter & gather

Make sure that bitmap_scatter() and bitmap_gather() do not modify
the bits outside of the given nbits span.

Signed-off-by: An

bitmap: Add test for out-of-boundary modifications for scatter & gather

Make sure that bitmap_scatter() and bitmap_gather() do not modify
the bits outside of the given nbits span.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yury Norov <ynorov@nvidia.com>

show more ...

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

Need to pull in a67221b5eb8d ("drm/i915/dp: Return min bpc supported by source instead of 0")
in order to fix build breakage on GCC 9.4.0 (from Ubuntu 20.04

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

Need to pull in a67221b5eb8d ("drm/i915/dp: Return min bpc supported by source instead of 0")
in order to fix build breakage on GCC 9.4.0 (from Ubuntu 20.04).

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

show more ...

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

Backmerge to sync with v6.15-rc, xe, and specifically async flip changes
in drm-misc.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge branch 'next' into for-linus

Prepare input updates for 6.16 merge window.

Merge tag 'v6.15-rc6' into next

Sync up with mainline to bring in xpad controller changes.

Merge remote-tracking branch 'drm-misc/drm-misc-next' into msm-next

Merge drm-misc-next to get commit Fixes: fec450ca15af ("drm/display:
hdmi: provide central data authority for ACR params").

Signe

Merge remote-tracking branch 'drm-misc/drm-misc-next' into msm-next

Merge drm-misc-next to get commit Fixes: fec450ca15af ("drm/display:
hdmi: provide central data authority for ACR params").

Signed-off-by: Rob Clark <robdclark@chromium.org>

show more ...

Merge drm/drm-next into drm-xe-next

Backmerge to bring in linux 6.15-rc.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>

Merge drm/drm-fixes into drm-misc-fixes

Backmerging to get updates from v6.15-rc1.

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

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

Backmerging to get v6.15-rc1 into drm-misc-next. Also fixes a
build issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST.

Signed-off-by: Thomas Zimmermann <tzimmerm

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

Backmerging to get v6.15-rc1 into drm-misc-next. Also fixes a
build issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST.

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

show more ...

Merge branch 'linus' into x86/urgent, to pick up fixes and refresh the branch

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

Merge tag 'bitmap-for-6.15' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

- cpumask_next_wrap() rework (me)

- GENMASK() simplification (I Hsin)

- rust bindings for cpu

Merge tag 'bitmap-for-6.15' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

- cpumask_next_wrap() rework (me)

- GENMASK() simplification (I Hsin)

- rust bindings for cpumasks (Viresh and me)

- scattered cleanups (Andy, Tamir, Vincent, Ignacio and Joel)

* tag 'bitmap-for-6.15' of https://github.com/norov/linux: (22 commits)
cpumask: align text in comment
riscv: fix test_and_{set,clear}_bit ordering documentation
treewide: fix typo 'unsigned __init128' -> 'unsigned __int128'
MAINTAINERS: add rust bindings entry for bitmap API
rust: Add cpumask helpers
uapi: Revert "bitops: avoid integer overflow in GENMASK(_ULL)"
cpumask: drop cpumask_next_wrap_old()
PCI: hv: Switch hv_compose_multi_msi_req_get_cpu() to using cpumask_next_wrap()
scsi: lpfc: rework lpfc_next_{online,present}_cpu()
scsi: lpfc: switch lpfc_irq_rebalance() to using cpumask_next_wrap()
s390: switch stop_machine_yield() to using cpumask_next_wrap()
padata: switch padata_find_next() to using cpumask_next_wrap()
cpumask: use cpumask_next_wrap() where appropriate
cpumask: re-introduce cpumask_next{,_and}_wrap()
cpumask: deprecate cpumask_next_wrap()
powerpc/xmon: simplify xmon_batch_next_cpu()
ibmvnic: simplify ibmvnic_set_queue_affinity()
virtio_net: simplify virtnet_set_affinity()
objpool: rework objpool_pop()
cpumask: add for_each_{possible,online}_cpu_wrap
...

show more ...

bitmap: remove _check_eq_u32_array

This has been unused since commit 3aa56885e516 ("bitmap: replace
bitmap_{from,to}_u32array") in 2018.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-

bitmap: remove _check_eq_u32_array

This has been unused since commit 3aa56885e516 ("bitmap: replace
bitmap_{from,to}_u32array") in 2018.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>

show more ...

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

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and

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

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and we are stuck at 6.9 so lets bump things forward.

Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>

show more ...

Merge branch 'next' into for-linus

Prepare input updates for 6.12 merge window.

Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next

Bring in changes removing support for platform data from matrix-keypad
driver.

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Cross-merge bpf fixes after downstream PR including
important fixes (from bpf-next point of view):
commit 41c24102af7b ("selftests/bpf: Fi

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Cross-merge bpf fixes after downstream PR including
important fixes (from bpf-next point of view):
commit 41c24102af7b ("selftests/bpf: Filter out _GNU_SOURCE when compiling test_cpp")
commit fdad456cbcca ("bpf: Fix updating attached freplace prog in prog_array map")

No conflicts.

Adjacent changes in:
include/linux/bpf_verifier.h
kernel/bpf/verifier.c
tools/testing/selftests/bpf/Makefile

Link: https://lore.kernel.org/bpf/20240813234307.82773-1-alexei.starovoitov@gmail.com/
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

show more ...

Merge drm/drm-next into drm-xe-next

Get drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next for
the display side. This resolves the current conflict for the
enable_display module parameter

Merge drm/drm-next into drm-xe-next

Get drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next for
the display side. This resolves the current conflict for the
enable_display module parameter and allows further pending refactors.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

show more ...