Commit Graph

1250726 Commits

Author SHA1 Message Date
Linus Torvalds
975b26ab30 workqueue: Fixes for v6.8-rc4
Just one patch to revert ca10d851b9 ("workqueue: Override implicit ordered
 attribute in workqueue_apply_unbound_cpumask()"). This could break ordering
 guarantee for ordered workqueues. The problem that the commit tried to
 resolve partially - making ordered workqueues follow unbound cpumask - is
 fully solved in wq/for-6.9 branch.
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Merge tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "Just one patch to revert commit ca10d851b9 ("workqueue: Override
  implicit ordered attribute in workqueue_apply_unbound_cpumask()").

  This commit could break ordering guarantees for ordered workqueues.
  The problem that the commit tried to resolve partially - making
  ordered workqueues follow unbound cpumask - is fully solved in
  wq/for-6.9 branch"

* tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  Revert "workqueue: Override implicit ordered attribute in workqueue_apply_unbound_cpumask()"
2024-02-16 14:00:19 -08:00
Linus Torvalds
7edfe0aaa6 block-6.8-2024-02-16
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Merge tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Just an nvme pull request via Keith:

   - Fabrics connection error handling (Chaitanya)

   - Use relaxed effects to reduce unnecessary queue freezes (Keith)"

* tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux:
  nvmet: remove superfluous initialization
  nvme: implement support for relaxed effects
  nvme-fabrics: fix I/O connect error handling
2024-02-16 13:55:02 -08:00
Linus Torvalds
8096015082 io_uring-6.8-2024-02-16
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Merge tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "Just a single fix for a regression in how overflow is handled for
  multishot accept requests"

* tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux:
  io_uring/net: fix multishot accept overflow handling
2024-02-16 13:51:20 -08:00
Linus Torvalds
3f9c1b315d Additional cap handling fixes from Xiubo to avoid "client isn't
responding to mclientcaps(revoke)" stalls on the MDS side.
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Merge tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Additional cap handling fixes from Xiubo to avoid "client isn't
  responding to mclientcaps(revoke)" stalls on the MDS side"

* tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client:
  ceph: add ceph_cap_unlink_work to fire check_caps() immediately
  ceph: always queue a writeback when revoking the Fb caps
2024-02-16 13:37:15 -08:00
Linus Torvalds
683b783c20 ARM:
* Avoid dropping the page refcount twice when freeing an unlinked
   page-table subtree.
 
 * Don't source the VFIO Kconfig twice
 
 * Fix protected-mode locking order between kvm and vcpus
 
 RISC-V:
 
 * Fix steal-time related sparse warnings
 
 x86:
 
 * Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"
 
 * Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if and only
   if the incoming events->nmi.pending is non-zero.  If the target vCPU is in
   the UNITIALIZED state, the spurious request will result in KVM exiting to
   userspace, which in turn causes QEMU to constantly acquire and release
   QEMU's global mutex, to the point where the BSP is unable to make forward
   progress.
 
 * Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl being
   incorrectly truncated, and ultimately causes KVM to think a fixed counter
   has already been disabled (KVM thinks the old value is '0').
 
 * Fix a stack leak in KVM_GET_MSRS where a failed MSR read from userspace
   that is ultimately ignored due to ignore_msrs=true doesn't zero the output
   as intended.
 
 Selftests cleanups and fixes:
 
 * Remove redundant newlines from error messages.
 
 * Delete an unused variable in the AMX test (which causes build failures when
   compiling with -Werror).
 
 * Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails with an
   error code other than ENOENT (a Hyper-V selftest bug resulted in an EMFILE,
   and the test eventually got skipped).
 
 * Fix TSC related bugs in several Hyper-V selftests.
 
 * Fix a bug in the dirty ring logging test where a sem_post() could be left
   pending across multiple runs, resulting in incorrect synchronization between
   the main thread and the vCPU worker thread.
 
 * Relax the dirty log split test's assertions on 4KiB mappings to fix false
   positives due to the number of mappings for memslot 0 (used for code and
   data that is NOT being dirty logged) changing, e.g. due to NUMA balancing.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "ARM:

   - Avoid dropping the page refcount twice when freeing an unlinked
     page-table subtree.

   - Don't source the VFIO Kconfig twice

   - Fix protected-mode locking order between kvm and vcpus

  RISC-V:

   - Fix steal-time related sparse warnings

  x86:

   - Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"

   - Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if
     and only if the incoming events->nmi.pending is non-zero. If the
     target vCPU is in the UNITIALIZED state, the spurious request will
     result in KVM exiting to userspace, which in turn causes QEMU to
     constantly acquire and release QEMU's global mutex, to the point
     where the BSP is unable to make forward progress.

   - Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl
     being incorrectly truncated, and ultimately causes KVM to think a
     fixed counter has already been disabled (KVM thinks the old value
     is '0').

   - Fix a stack leak in KVM_GET_MSRS where a failed MSR read from
     userspace that is ultimately ignored due to ignore_msrs=true
     doesn't zero the output as intended.

  Selftests cleanups and fixes:

   - Remove redundant newlines from error messages.

   - Delete an unused variable in the AMX test (which causes build
     failures when compiling with -Werror).

   - Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails
     with an error code other than ENOENT (a Hyper-V selftest bug
     resulted in an EMFILE, and the test eventually got skipped).

   - Fix TSC related bugs in several Hyper-V selftests.

   - Fix a bug in the dirty ring logging test where a sem_post() could
     be left pending across multiple runs, resulting in incorrect
     synchronization between the main thread and the vCPU worker thread.

   - Relax the dirty log split test's assertions on 4KiB mappings to fix
     false positives due to the number of mappings for memslot 0 (used
     for code and data that is NOT being dirty logged) changing, e.g.
     due to NUMA balancing"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
  KVM: arm64: Fix double-free following kvm_pgtable_stage2_free_unlinked()
  RISC-V: KVM: Use correct restricted types
  RISC-V: paravirt: Use correct restricted types
  RISC-V: paravirt: steal_time should be static
  KVM: selftests: Don't assert on exact number of 4KiB in dirty log split test
  KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
  KVM: x86: Fix KVM_GET_MSRS stack info leak
  KVM: arm64: Do not source virt/lib/Kconfig twice
  KVM: x86/pmu: Fix type length error when reading pmu->fixed_ctr_ctrl
  KVM: x86: Make gtod_is_based_on_tsc() return 'bool'
  KVM: selftests: Make hyperv_clock require TSC based system clocksource
  KVM: selftests: Run clocksource dependent tests with hyperv_clocksource_tsc_page too
  KVM: selftests: Use generic sys_clocksource_is_tsc() in vmx_nested_tsc_scaling_test
  KVM: selftests: Generalize check_clocksource() from kvm_clock_test
  KVM: x86: make KVM_REQ_NMI request iff NMI pending for vcpu
  KVM: arm64: Fix circular locking dependency
  KVM: selftests: Fail tests when open() fails with !ENOENT
  KVM: selftests: Avoid infinite loop in hyperv_features when invtsc is missing
  KVM: selftests: Delete superfluous, unused "stage" variable in AMX test
  KVM: selftests: x86_64: Remove redundant newlines
  ...
2024-02-16 10:48:14 -08:00
Linus Torvalds
4b6f7c624e Tracing fixes for v6.8:
- Fix the #ifndef that didn't have CONFIG_ on HAVE_DYNAMIC_FTRACE_WITH_REGS
   The fix to have dynamic trampolines work with x86 broke arm64 as
   the config used in the #ifdef was HAVE_DYNAMIC_FTRACE_WITH_REGS and not
   CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS which removed the fix that the
   previous fix was to fix.
 
 - Fix tracing_on state
   The code to test if "tracing_on" is set used ring_buffer_record_is_on()
   which returns false if the ring buffer isn't able to be written to.
   But the ring buffer disable has several bits that disable it.
   One is internal disabling which is used for resizing and other
   modifications of the ring buffer. But the "tracing_on" user space
   visible flag should only report if tracing is actually on and not
   internally disabled, as this can cause confusion as writing "1"
   when it is disabled will not enable it.
 
   Instead use ring_buffer_record_is_set_on() which shows the user space
   visible settings.
 
 - Fix a false positive kmemleak on saved cmdlines
   Now that the saved_cmdlines structure is allocated via alloc_page()
   and not via kmalloc() it has become invisible to kmemleak.
   The allocation done to one of its pointers was flagged as a
   dangling allocation leak. Make kmemleak aware of this allocation
   and free.
 
 - Fix synthetic event dynamic strings.
   A update that cleaned up the synthetic event code removed the
   return value of trace_string(), and had it return zero instead
   of the length, causing dynamic strings in the synthetic event
   to always have zero size.
 
 - Clean up documentation and header files for seq_buf
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Merge tag 'trace-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix the #ifndef that didn't have the 'CONFIG_' prefix on
   HAVE_DYNAMIC_FTRACE_WITH_REGS

   The fix to have dynamic trampolines work with x86 broke arm64 as the
   config used in the #ifdef was HAVE_DYNAMIC_FTRACE_WITH_REGS and not
   CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS which removed the fix that the
   previous fix was to fix.

 - Fix tracing_on state

   The code to test if "tracing_on" is set incorrectly used
   ring_buffer_record_is_on() which returns false if the ring buffer
   isn't able to be written to.

   But the ring buffer disable has several bits that disable it. One is
   internal disabling which is used for resizing and other modifications
   of the ring buffer. But the "tracing_on" user space visible flag
   should only report if tracing is actually on and not internally
   disabled, as this can cause confusion as writing "1" when it is
   disabled will not enable it.

   Instead use ring_buffer_record_is_set_on() which shows the user space
   visible settings.

 - Fix a false positive kmemleak on saved cmdlines

   Now that the saved_cmdlines structure is allocated via alloc_page()
   and not via kmalloc() it has become invisible to kmemleak. The
   allocation done to one of its pointers was flagged as a dangling
   allocation leak. Make kmemleak aware of this allocation and free.

 - Fix synthetic event dynamic strings

   An update that cleaned up the synthetic event code removed the return
   value of trace_string(), and had it return zero instead of the
   length, causing dynamic strings in the synthetic event to always have
   zero size.

 - Clean up documentation and header files for seq_buf

* tag 'trace-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  seq_buf: Fix kernel documentation
  seq_buf: Don't use "proxy" headers
  tracing/synthetic: Fix trace_string() return value
  tracing: Inform kmemleak of saved_cmdlines allocation
  tracing: Use ring_buffer_record_is_set_on() in tracer_tracing_is_on()
  tracing: Fix HAVE_DYNAMIC_FTRACE_WITH_REGS ifdef
2024-02-16 10:33:51 -08:00
Linus Torvalds
3f3f64cb60 arm64 fixes for -rc5
- Fix allocation failure during SVE coredumps
 
 - Fix handling of SVE context on signal delivery
 
 - Enable Neoverse N2 CPU errata workarounds for Microsoft's
   "Azure Cobalt 100" clone
 
 - Work around CMN PMU erratum in AmpereOneX implementation
 
 - Fix typo in CXL PMU event definition
 
 - Fix jump label asm constraints
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "It's a little busier than normal, but it's still not a lot of code and
  things seem fairly quiet in general:

   - Fix allocation failure during SVE coredumps

   - Fix handling of SVE context on signal delivery

   - Enable Neoverse N2 CPU errata workarounds for Microsoft's "Azure
     Cobalt 100" clone

   - Work around CMN PMU erratum in AmpereOneX implementation

   - Fix typo in CXL PMU event definition

   - Fix jump label asm constraints"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sve: Lower the maximum allocation for the SVE ptrace regset
  arm64: Subscribe Microsoft Azure Cobalt 100 to ARM Neoverse N2 errata
  perf/arm-cmn: Workaround AmpereOneX errata AC04_MESH_1 (incorrect child count)
  arm64: jump_label: use constraints "Si" instead of "i"
  arm64: fix typo in comments
  perf: CXL: fix mismatched cpmu event opcode
  arm64/signal: Don't assume that TIF_SVE means we saved SVE state
2024-02-16 10:28:29 -08:00
Linus Torvalds
efb0b63afc zonefs fixes for 6.8.0-rc5
- Fix direct write error handling to avoid a race between failed IO
    completion and the submission path itself which can result in an
    invalid file size exposed to the user after the failed IO.
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Merge tag 'zonefs-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs fix from Damien Le Moal:

 - Fix direct write error handling to avoid a race between failed IO
   completion and the submission path itself which can result in an
   invalid file size exposed to the user after the failed IO.

* tag 'zonefs-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Improve error handling
2024-02-16 09:29:26 -08:00
Paolo Bonzini
9895ceeb5c KVM/arm64 fixes for 6.8, take #2
- Avoid dropping the page refcount twice when freeing an unlinked
   page-table subtree.
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Merge tag 'kvmarm-fixes-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.8, take #2

- Avoid dropping the page refcount twice when freeing an unlinked
  page-table subtree.
2024-02-16 12:02:38 -05:00
Paolo Bonzini
8046fa5fc2 KVM/arm64 fixes for 6.8, take #1
- Don't source the VFIO Kconfig twice
 
 - Fix protected-mode locking order between kvm and vcpus
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Merge tag 'kvmarm-fixes-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.8, take #1

- Don't source the VFIO Kconfig twice

- Fix protected-mode locking order between kvm and vcpus
2024-02-16 12:02:31 -05:00
Linus Torvalds
0f1dd5e91e sound fixes for 6.8-rc5
A collection of device-specific fixes.  It became a bit bigger
 than wished, but all look reasonably small and safe to apply.
 
 - A few Cirrus Logic CS35L56 and CS42L43 driver fixes
 - ASoC SOF fixes and workarounds
 - Various ASoC Intel fixes
 - Lots of HD-, USB-audio and AMD ACP quirks
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Merge tag 'sound-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of device-specific fixes. It became a bit bigger than
  wished, but all look reasonably small and safe to apply.

   - A few Cirrus Logic CS35L56 and CS42L43 driver fixes

   - ASoC SOF fixes and workarounds

   - Various ASoC Intel fixes

   - Lots of HD-, USB-audio and AMD ACP quirks"

* tag 'sound-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits)
  ALSA: usb-audio: More relaxed check of MIDI jack names
  ALSA: hda/realtek: fix mute/micmute LED For HP mt645
  ALSA: hda/realtek: cs35l41: Fix order and duplicates in quirks table
  ALSA: hda/realtek: cs35l41: Fix device ID / model name
  ALSA: hda/realtek: cs35l41: Add internal speaker support for ASUS UM3402 with missing DSD
  ASoC: cs35l56: Workaround for ACPI with broken spk-id-gpios property
  ALSA: hda: Add Lenovo Legion 7i gen7 sound quirk
  ASoC: SOF: IPC3: fix message bounds on ipc ops
  ASoC: SOF: ipc4-pcm: Workaround for crashed firmware on system suspend
  ASoC: q6dsp: fix event handler prototype
  ASoC: SOF: Intel: pci-lnl: Change the topology path to intel/sof-ipc4-tplg
  ASoC: SOF: Intel: pci-tgl: Change the default paths and firmware names
  ASoC: amd: yc: Fix non-functional mic on Lenovo 82UU
  ASoC: rt5645: Add DMI quirk for inverted jack-detect on MeeGoPad T8
  ASoC: rt5645: Make LattePanda board DMI match more precise
  ASoC: SOF: amd: Fix locking in ACP IRQ handler
  ASoC: rt5645: Fix deadlock in rt5645_jack_detect_work()
  ASoC: Intel: cht_bsw_rt5645: Cleanup codec_name handling
  ASoC: Intel: Boards: Fix NULL pointer deref in BYT/CHT boards
  ASoC: cs35l56: Remove default from IRQ1_CFG register
  ...
2024-02-16 09:02:19 -08:00
Linus Torvalds
beda9c23ad gpio fixes for v6.8-rc5
- add missing stubs for functions that are not built with GPIOLIB disabled
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Merge tag 'gpio-fixes-for-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - add missing stubs for functions that are not built with GPIOLIB
   disabled

* tag 'gpio-fixes-for-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: add gpio_device_get_label() stub for !GPIOLIB
  gpiolib: add gpio_device_get_base() stub for !GPIOLIB
  gpiolib: add gpiod_to_gpio_device() stub for !GPIOLIB
2024-02-16 08:55:46 -08:00
Linus Torvalds
ca6a62f9fe drm fixes for 6.8-rc5
crtc:
 - fix uninit variable
 
 prime:
 - support > 4GB page arrays
 
 buddy:
 - fix error handling in allocations
 
 i915:
 - fix blankscreen on JSL chromebooks
 - stable fix to limit DP sst link rates
 
 xe:
 - Fix an out-of-bounds shift.
 - Fix the display code thinking xe uses shmem
 - Fix a warning about index out-of-bound
 - Fix a clang-16 compilation warning
 
 amdgpu:
 - PSR fixes
 - Suspend/resume fixes
 - Link training fix
 - Aspect ratio fix
 - DCN 3.5 fixes
 - VCN 4.x fix
 - GFX 11 fix
 - Misc display fixes
 - Misc small fixes
 
 amdkfd:
 - Cache size reporting fix
 - SIMD distribution fix
 
 msm:
 - GPU:
 - dmabuf vmap fix
 - a610 UBWC corruption fix (incorrect hbb)
 - revert a commit that was making GPU recovery unreliable
  - tlb invalidation fix
 
 ivpu:
 - suspend/resume fix
 
 nouveau:
 - fix scheduler cleanup path
 - fix pointless scheduler creation
 - fix kvalloc argument order
 
 rockchip:
 - vop2 locking fix
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Merge tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular weekly fixes, nothing too major, mostly amdgpu, then i915, xe,
  msm and nouveau with some scattered bits elsewhere.

  crtc:
   - fix uninit variable

  prime:
   - support > 4GB page arrays

  buddy:
   - fix error handling in allocations

  i915:
   - fix blankscreen on JSL chromebooks
   - stable fix to limit DP sst link rates

  xe:
   - Fix an out-of-bounds shift.
   - Fix the display code thinking xe uses shmem
   - Fix a warning about index out-of-bound
   - Fix a clang-16 compilation warning

  amdgpu:
   - PSR fixes
   - Suspend/resume fixes
   - Link training fix
   - Aspect ratio fix
   - DCN 3.5 fixes
   - VCN 4.x fix
   - GFX 11 fix
   - Misc display fixes
   - Misc small fixes

  amdkfd:
   - Cache size reporting fix
   - SIMD distribution fix

  msm:
   - GPU:
   - dmabuf vmap fix
   - a610 UBWC corruption fix (incorrect hbb)
   - revert a commit that was making GPU recovery unreliable
   - tlb invalidation fix

  ivpu:
   - suspend/resume fix

  nouveau:
   - fix scheduler cleanup path
   - fix pointless scheduler creation
   - fix kvalloc argument order

  rockchip:
   - vop2 locking fix"

* tag 'drm-fixes-2024-02-16' of git://anongit.freedesktop.org/drm/drm: (38 commits)
  drm/amdgpu: Fix implicit assumtion in gfx11 debug flags
  drm/amdkfd: update SIMD distribution algo for GFXIP 9.4.2 onwards
  drm/amd/display: Increase ips2_eval delay for DCN35
  drm/amdgpu/display: Initialize gamma correction mode variable in dcn30_get_gamcor_current()
  drm/amdgpu/soc21: update VCN 4 max HEVC encoding resolution
  drm/amd/display: fixed integer types and null check locations
  drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
  drm/amd/display: Preserve original aspect ratio in create stream
  drm/amd/display: Fix possible NULL dereference on device remove/driver unload
  Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz"
  drm/amd/display: Add align done check
  Revert "drm/amd: flush any delayed gfxoff on suspend entry"
  drm/amd: Stop evicting resources on APUs in suspend
  drm/amd/display: Fix possible buffer overflow in 'find_dcfclk_for_voltage()'
  drm/amd/display: Fix possible use of uninitialized 'max_chunks_fbc_mode' in 'calculate_bandwidth()'
  drm/amd/display: Initialize 'wait_time_microsec' variable in link_dp_training_dpia.c
  drm/amd/display: Fix && vs || typos
  drm/amdkfd: Fix L2 cache size reporting in GFX9.4.3
  drm/amdgpu: make damage clips support configurable
  drm/msm: Wire up tlb ops
  ...
2024-02-16 08:05:30 -08:00
Linus Torvalds
b8ef920168 lsm/stable-6.8 PR 20240215
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Merge tag 'lsm-pr-20240215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull lsm fix from Paul Moore:
 "One small LSM patch to fix a potential integer overflow in the newly
  added lsm_set_self_attr() syscall"

* tag 'lsm-pr-20240215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  lsm: fix integer overflow in lsm_set_self_attr() syscall
2024-02-16 07:58:43 -08:00
Aiswarya Cyriac
ba00e413fa ALSA: virtio: Fix "Coverity: virtsnd_kctl_tlv_op(): Uninitialized variables" warning.
This commit fixes the following warning when building virtio_snd driver.

"
*** CID 1583619:  Uninitialized variables  (UNINIT)
sound/virtio/virtio_kctl.c:294 in virtsnd_kctl_tlv_op()
288
289     		break;
290     	}
291
292     	kfree(tlv);
293
vvv     CID 1583619:  Uninitialized variables  (UNINIT)
vvv     Using uninitialized value "rc".
294     	return rc;
295     }
296
297     /**
298      * virtsnd_kctl_get_enum_items() - Query items for the ENUMERATED element type.
299      * @snd: VirtIO sound device.
"

This warning is caused by the absence of the "default" branch in the
switch-block, and is a false positive because the kernel calls
virtsnd_kctl_tlv_op() only with values for op_flag processed in
this block.

Also, this commit unifies the cleanup path for all possible control
paths in the callback function.

Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
Signed-off-by: Aiswarya Cyriac <aiswarya.cyriac@opensynergy.com>
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1583619 ("Uninitialized variables")
Fixes: d6568e3de4 ("ALSA: virtio: add support for audio controls")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20240216100643.688590-1-aiswarya.cyriac@opensynergy.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-02-16 15:01:31 +01:00
Arnd Bergmann
ff16cbc4dc ALSA: avoid 'bool' as variable name
In modern C versions, 'bool' is a keyword that cannot be used as
a variable name, so change this instance use something else, and
change the type to bool instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240216130211.3828455-1-arnd@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-02-16 14:47:13 +01:00
Dave Airlie
ea69f782d0 Merge tag 'drm-msm-fixes-2024-02-15' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
Fixes for v6.8-rc5

GPU:
- dmabuf vmap fix
- a610 UBWC corruption fix (incorrect hbb)
- revert a commit that was making GPU recovery unreliable
- tlb invalidation fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGszDSiw66+a=ttBr-hat+zrcBtfc_cZ4LQqXu89DJ0UeQ@mail.gmail.com
2024-02-16 15:47:15 +10:00
Dave Airlie
44395701ad amd-drm-fixes-6.8-2024-02-15-2:
amdgpu:
 - PSR fixes
 - Suspend/resume fixes
 - Link training fix
 - Aspect ratio fix
 - DCN 3.5 fixes
 - VCN 4.x fix
 - GFX 11 fix
 - Misc display fixes
 - Misc small fixes
 
 amdkfd:
 - Cache size reporting fix
 - SIMD distribution fix
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Merge tag 'amd-drm-fixes-6.8-2024-02-15-2' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.8-2024-02-15-2:

amdgpu:
- PSR fixes
- Suspend/resume fixes
- Link training fix
- Aspect ratio fix
- DCN 3.5 fixes
- VCN 4.x fix
- GFX 11 fix
- Misc display fixes
- Misc small fixes

amdkfd:
- Cache size reporting fix
- SIMD distribution fix

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215192452.11805-1-alexander.deucher@amd.com
2024-02-16 15:46:33 +10:00
Dave Airlie
427e337f7a Driver Changes:
- Fix an out-of-bounds shift.
 - Fix the display code thinking xe uses shmem
 - Fix a warning about index out-of-bound
 - Fix a clang-16 compilation warning
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Merge tag 'drm-xe-fixes-2024-02-15' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Driver Changes:
- Fix an out-of-bounds shift.
- Fix the display code thinking xe uses shmem
- Fix a warning about index out-of-bound
- Fix a clang-16 compilation warning

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

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zc4GpcrbFVqdK9Ws@fedora
2024-02-16 15:45:12 +10:00
Dave Airlie
7e1c3be3f9 Merge tag 'drm-intel-fixes-2024-02-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Fix for #10172: Blank screen on JSL Chromebooks. Stable fix to limit DP SST link rate to <=8.1Gbps.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zc37W27F5OvoeSkG@jlahtine-mobl.ger.corp.intel.com
2024-02-16 15:44:39 +10:00
Dave Airlie
38df7e5e6c A suspend/resume error fix for ivpu, a couple of scheduler fixes for
nouveau, a patch to support large page arrays in prime, a uninitialized
 variable fix in crtc, a locking fix in rockchip/vop2 and a buddy
 allocator error reporting fix.
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Merge tag 'drm-misc-fixes-2024-02-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A suspend/resume error fix for ivpu, a couple of scheduler fixes for
nouveau, a patch to support large page arrays in prime, a uninitialized
variable fix in crtc, a locking fix in rockchip/vop2 and a buddy
allocator error reporting fix.

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

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b4ffqzigtfh6cgzdpwuk6jlrv3dnk4hu6etiizgvibysqgtl2p@42n2gdfdd5eu
2024-02-16 14:33:38 +10:00
Steve French
4860abb91f smb: Fix regression in writes when non-standard maximum write size negotiated
The conversion to netfs in the 6.3 kernel caused a regression when
maximum write size is set by the server to an unexpected value which is
not a multiple of 4096 (similarly if the user overrides the maximum
write size by setting mount parm "wsize", but sets it to a value that
is not a multiple of 4096).  When negotiated write size is not a
multiple of 4096 the netfs code can skip the end of the final
page when doing large sequential writes, causing data corruption.

This section of code is being rewritten/removed due to a large
netfs change, but until that point (ie for the 6.3 kernel until now)
we can not support non-standard maximum write sizes.

Add a warning if a user specifies a wsize on mount that is not
a multiple of 4096 (and round down), also add a change where we
round down the maximum write size if the server negotiates a value
that is not a multiple of 4096 (we also have to check to make sure that
we do not round it down to zero).

Reported-by: R. Diez" <rdiez-2006@rd10.de>
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Suggested-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Acked-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Tested-by: Matthew Ruffell <matthew.ruffell@canonical.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Cc: stable@vger.kernel.org # v6.3+
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-02-15 22:19:23 -06:00
Damien Le Moal
14db5f64a9 zonefs: Improve error handling
Write error handling is racy and can sometime lead to the error recovery
path wrongly changing the inode size of a sequential zone file to an
incorrect value  which results in garbage data being readable at the end
of a file. There are 2 problems:

1) zonefs_file_dio_write() updates a zone file write pointer offset
   after issuing a direct IO with iomap_dio_rw(). This update is done
   only if the IO succeed for synchronous direct writes. However, for
   asynchronous direct writes, the update is done without waiting for
   the IO completion so that the next asynchronous IO can be
   immediately issued. However, if an asynchronous IO completes with a
   failure right before the i_truncate_mutex lock protecting the update,
   the update may change the value of the inode write pointer offset
   that was corrected by the error path (zonefs_io_error() function).

2) zonefs_io_error() is called when a read or write error occurs. This
   function executes a report zone operation using the callback function
   zonefs_io_error_cb(), which does all the error recovery handling
   based on the current zone condition, write pointer position and
   according to the mount options being used. However, depending on the
   zoned device being used, a report zone callback may be executed in a
   context that is different from the context of __zonefs_io_error(). As
   a result, zonefs_io_error_cb() may be executed without the inode
   truncate mutex lock held, which can lead to invalid error processing.

Fix both problems as follows:
- Problem 1: Perform the inode write pointer offset update before a
  direct write is issued with iomap_dio_rw(). This is safe to do as
  partial direct writes are not supported (IOMAP_DIO_PARTIAL is not
  set) and any failed IO will trigger the execution of zonefs_io_error()
  which will correct the inode write pointer offset to reflect the
  current state of the one on the device.
- Problem 2: Change zonefs_io_error_cb() into zonefs_handle_io_error()
  and call this function directly from __zonefs_io_error() after
  obtaining the zone information using blkdev_report_zones() with a
  simple callback function that copies to a local stack variable the
  struct blk_zone obtained from the device. This ensures that error
  handling is performed holding the inode truncate mutex.
  This change also simplifies error handling for conventional zone files
  by bypassing the execution of report zones entirely. This is safe to
  do because the condition of conventional zones cannot be read-only or
  offline and conventional zone files are always fully mapped with a
  constant file size.

Reported-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Fixes: 8dcc1a9d90 ("fs: New zonefs file system")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
2024-02-16 10:20:35 +09:00
Linus Torvalds
4f5e5092fd Including fixes from can, wireless and netfilter.
Current release - regressions:
 
  - af_unix: fix task hung while purging oob_skb in GC
 
  - pds_core: do not try to run health-thread in VF path
 
 Current release - new code bugs:
 
  - sched: act_mirred: don't zero blockid when net device is being deleted
 
 Previous releases - regressions:
 
  - netfilter:
    - nat: restore default DNAT behavior
    - nf_tables: fix bidirectional offload, broken when unidirectional
      offload support was added
 
  - openvswitch: limit the number of recursions from action sets
 
  - eth: i40e: do not allow untrusted VF to remove administratively
    set MAC address
 
 Previous releases - always broken:
 
  - tls: fix races and bugs in use of async crypto
 
  - mptcp: prevent data races on some of the main socket fields,
    fix races in fastopen handling
 
  - dpll: fix possible deadlock during netlink dump operation
 
  - dsa: lan966x: fix crash when adding interface under a lag
    when some of the ports are disabled
 
  - can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock
 
 Misc:
 
  - handful of fixes and reliability improvements for selftests
 
  - fix sysfs documentation missing net/ in paths
 
  - finish the work of squashing the missing MODULE_DESCRIPTION()
    warnings in networking
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from can, wireless and netfilter.

  Current release - regressions:

   - af_unix: fix task hung while purging oob_skb in GC

   - pds_core: do not try to run health-thread in VF path

  Current release - new code bugs:

   - sched: act_mirred: don't zero blockid when net device is being
     deleted

  Previous releases - regressions:

   - netfilter:
      - nat: restore default DNAT behavior
      - nf_tables: fix bidirectional offload, broken when unidirectional
        offload support was added

   - openvswitch: limit the number of recursions from action sets

   - eth: i40e: do not allow untrusted VF to remove administratively set
     MAC address

  Previous releases - always broken:

   - tls: fix races and bugs in use of async crypto

   - mptcp: prevent data races on some of the main socket fields, fix
     races in fastopen handling

   - dpll: fix possible deadlock during netlink dump operation

   - dsa: lan966x: fix crash when adding interface under a lag when some
     of the ports are disabled

   - can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

  Misc:

   - a handful of fixes and reliability improvements for selftests

   - fix sysfs documentation missing net/ in paths

   - finish the work of squashing the missing MODULE_DESCRIPTION()
     warnings in networking"

* tag 'net-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (92 commits)
  net: fill in MODULE_DESCRIPTION()s for missing arcnet
  net: fill in MODULE_DESCRIPTION()s for mdio_devres
  net: fill in MODULE_DESCRIPTION()s for ppp
  net: fill in MODULE_DESCRIPTION()s for fddik/skfp
  net: fill in MODULE_DESCRIPTION()s for plip
  net: fill in MODULE_DESCRIPTION()s for ieee802154/fakelb
  net: fill in MODULE_DESCRIPTION()s for xen-netback
  net: ravb: Count packets instead of descriptors in GbEth RX path
  pppoe: Fix memory leak in pppoe_sendmsg()
  net: sctp: fix skb leak in sctp_inq_free()
  net: bcmasp: Handle RX buffer allocation failure
  net-timestamp: make sk_tskey more predictable in error path
  selftests: tls: increase the wait in poll_partial_rec_async
  ice: Add check for lport extraction to LAG init
  netfilter: nf_tables: fix bidirectional offload regression
  netfilter: nat: restore default DNAT behavior
  netfilter: nft_set_pipapo: fix missing : in kdoc
  igc: Remove temporary workaround
  igb: Fix string truncation warnings in igb_set_fw_version
  can: netlink: Fix TDCO calculation using the old data bittiming
  ...
2024-02-15 11:39:27 -08:00
Linus Torvalds
cc9c4f0b31 xen: branch for v6.8-rc5
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Merge tag 'for-linus-6.8a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "Fixes and simple cleanups:

   - use a proper flexible array instead of a one-element array in order
     to avoid array-bounds sanitizer errors

   - add NULL pointer checks after allocating memory

   - use memdup_array_user() instead of open-coding it

   - fix a rare race condition in Xen event channel allocation code

   - make struct bus_type instances const

   - make kerneldoc inline comments match reality"

* tag 'for-linus-6.8a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/events: close evtchn after mapping cleanup
  xen/gntalloc: Replace UAPI 1-element array
  xen: balloon: make balloon_subsys const
  xen: pcpu: make xen_pcpu_subsys const
  xen/privcmd: Use memdup_array_user() in alloc_ioreq()
  x86/xen: Add some null pointer checking to smp.c
  xen/xenbus: document will_handle argument for xenbus_watch_path()
2024-02-15 11:33:35 -08:00
Rajneesh Bhardwaj
a8ac4bcaeb drm/amdgpu: Fix implicit assumtion in gfx11 debug flags
Gfx11 debug flags mask is currently set with an implicit assumption that
no other mqd update flags exist. This needs to be fixed with newly
introduced flag UPDATE_FLAG_IS_GWS by the previous patch.

Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:44 -05:00
Rajneesh Bhardwaj
e3de58f8fd drm/amdkfd: update SIMD distribution algo for GFXIP 9.4.2 onwards
In certain cooperative group dispatch scenarios the default SPI resource
allocation may cause reduced per-CU workgroup occupancy. Set
COMPUTE_RESOURCE_LIMITS.FORCE_SIMD_DIST=1 to mitigate soft hang
scenarions.

Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Suggested-by: Joseph Greathouse <Joseph.Greathouse@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:44 -05:00
Nicholas Kazlauskas
0d555e481c drm/amd/display: Increase ips2_eval delay for DCN35
[Why]
New worst-case measurement observed at 1897us.

[How]
Increase to 2000us to cover the new worst case + margin.

Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Srinivasan Shanmugam
a82197e3a5 drm/amdgpu/display: Initialize gamma correction mode variable in dcn30_get_gamcor_current()
The dcn30_get_gamcor_current() function is responsible for determining
the current gamma correction mode used by the display controller.
However, the 'mode' variable, which stores the gamma correction mode,
was not initialized before its first usage, leading to an uninitialized
symbol error.

Thus initializes the 'mode' variable with a default value of LUT_BYPASS
before the conditional statements in the function, improves code clarity
and stability, ensuring correct behavior of the
dcn30_get_gamcor_current() function in determining the gamma correction
mode.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp_cm.c:77 dpp30_get_gamcor_current() error: uninitialized symbol 'mode'.

Fixes: 03f54d7d34 ("drm/amd/display: Add DCN3 DPP")
Cc: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Roman Li <roman.li@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Thong
2f542421a4 drm/amdgpu/soc21: update VCN 4 max HEVC encoding resolution
Update the maximum resolution reported for HEVC encoding on VCN 4
devices to reflect its 8K encoding capability.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3159
Signed-off-by: Thong <thong.thai@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-02-15 14:18:43 -05:00
Sohaib Nadeem
0484e05d04 drm/amd/display: fixed integer types and null check locations
[why]:
issues fixed:
- comparison with wider integer type in loop condition which can cause
infinite loops
- pointer dereference before null check

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Josip Pavic <josip.pavic@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Roman Li
46806e59a8 drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
[Why]
There is a potential memory access violation while
iterating through array of dcn35 clks.

[How]
Limit iteration per array size.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Tom Chung
deb1102921 drm/amd/display: Preserve original aspect ratio in create stream
[Why]
The original picture aspect ratio in mode struct may have chance be
overwritten with wrong aspect ratio data in create_stream_for_sink().
It will create a different VIC output and cause HDMI compliance test
failed.

[How]
Preserve the original picture aspect ratio data during create the
stream.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Srinivasan Shanmugam
a589fa17cc drm/amd/display: Fix possible NULL dereference on device remove/driver unload
As part of a cleanup amdgpu_dm_fini() function, which is typically
called when a device is being shut down or a driver is being unloaded

The below error message suggests that there is a potential null pointer
dereference issue with adev->dm.dc.

In the below, line of code where adev->dm.dc is used without a preceding
null check:

for (i = 0; i < adev->dm.dc->caps.max_links; i++) {

To fix this issue, add a null check for adev->dm.dc before this line.

Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1959 amdgpu_dm_fini() error: we previously assumed 'adev->dm.dc' could be null (see line 1943)

Fixes: 006c26a0f1 ("drm/amd/display: Fix crash on device remove/driver unload")
Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Sohaib Nadeem
a538dabf77 Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz"
[why]:
This reverts commit 2ff33c759a.

The commit caused corruption when running some applications in fullscreen

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Zhikai Zhai
94b38b895d drm/amd/display: Add align done check
[WHY]
We Double-check link status if training successful,
but miss the lane align status.

[HOW]
Add the lane align status check

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Zhikai Zhai <zhikai.zhai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Mario Limonciello
9163616853 Revert "drm/amd: flush any delayed gfxoff on suspend entry"
commit ab4750332d ("drm/amdgpu/sdma5.2: add begin/end_use ring
callbacks") caused GFXOFF control to be used more heavily and the
codepath that was removed from commit 0dee726395 ("drm/amd: flush any
delayed gfxoff on suspend entry") now can be exercised at suspend again.

Users report that by using GNOME to suspend the lockscreen trigger will
cause SDMA traffic and the system can deadlock.

This reverts commit 0dee726395.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Fixes: ab4750332d ("drm/amdgpu/sdma5.2: add begin/end_use ring callbacks")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Mario Limonciello
3a9626c816 drm/amd: Stop evicting resources on APUs in suspend
commit 5095d54181 ("drm/amd: Evict resources during PM ops prepare()
callback") intentionally moved the eviction of resources to earlier in
the suspend process, but this introduced a subtle change that it occurs
before adev->in_s0ix or adev->in_s3 are set. This meant that APUs
actually started to evict resources at suspend time as well.

Explicitly set s0ix or s3 in the prepare() stage, and unset them if the
prepare() stage failed.

v2: squash in warning fix from Stephen Rothwell

Reported-by: Jürg Billeter <j@bitron.ch>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3132#note_2271038
Fixes: 5095d54181 ("drm/amd: Evict resources during PM ops prepare() callback")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Srinivasan Shanmugam
ccc514b7e7 drm/amd/display: Fix possible buffer overflow in 'find_dcfclk_for_voltage()'
when 'find_dcfclk_for_voltage()' function is looping over
VG_NUM_SOC_VOLTAGE_LEVELS (which is 8), but the size of the DcfClocks
array is VG_NUM_DCFCLK_DPM_LEVELS (which is 7).

When the loop variable i reaches 7, the function tries to access
clock_table->DcfClocks[7]. However, since the size of the DcfClocks
array is 7, the valid indices are 0 to 6. Index 7 is beyond the size of
the array, leading to a buffer overflow.

Reported by smatch & thus fixing the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:550 find_dcfclk_for_voltage() error: buffer overflow 'clock_table->DcfClocks' 7 <= 7

Fixes: 3a83e4e64b ("drm/amd/display: Add dcn3.01 support to DC (v2)")
Cc: Roman Li <Roman.Li@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Srinivasan Shanmugam
88c6d84dd8 drm/amd/display: Fix possible use of uninitialized 'max_chunks_fbc_mode' in 'calculate_bandwidth()'
'max_chunks_fbc_mode' is only declared and assigned a value under a
specific condition in the following lines:

if (data->fbc_en[i] == 1) {
	max_chunks_fbc_mode = 128 - dmif_chunk_buff_margin;
}

If 'data->fbc_en[i]' is not equal to 1 for any i, max_chunks_fbc_mode
will not be initialized if it's used outside of this for loop.

Ensure that 'max_chunks_fbc_mode' is properly initialized before it's
used. Initialize it to a default value right after its declaration to
ensure that it gets a value assigned under all possible control flow
paths.

Thus fixing the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/basics/dce_calcs.c:914 calculate_bandwidth() error: uninitialized symbol 'max_chunks_fbc_mode'.
drivers/gpu/drm/amd/amdgpu/../display/dc/basics/dce_calcs.c:917 calculate_bandwidth() error: uninitialized symbol 'max_chunks_fbc_mode'.

Fixes: 4562236b3b ("drm/amd/dc: Add dc display driver (v2)")
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:43 -05:00
Srinivasan Shanmugam
7edb5830ec drm/amd/display: Initialize 'wait_time_microsec' variable in link_dp_training_dpia.c
wait_time_microsec = max(wait_time_microsec, (uint32_t)
DPIA_CLK_SYNC_DELAY);

Above line is trying to assign the maximum value between
'wait_time_microsec' and 'DPIA_CLK_SYNC_DELAY' to wait_time_microsec.
However, 'wait_time_microsec' has not been assigned a value before this
line, initialize 'wait_time_microsec' at the point of declaration.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_training_dpia.c:697 dpia_training_eq_non_transparent() error: uninitialized symbol 'wait_time_microsec'.

Fixes: 630168a973 ("drm/amd/display: move dp link training logic to link_dp_training")
Cc: Wenjing Liu <wenjing.liu@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:42 -05:00
Dan Carpenter
17ba9cde11 drm/amd/display: Fix && vs || typos
These ANDs should be ORs or it will lead to a NULL dereference.

Fixes: fb5a3d0370 ("drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'")
Fixes: 886571d217 ("drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'")
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:42 -05:00
Kent Russell
a0c9956a8d drm/amdkfd: Fix L2 cache size reporting in GFX9.4.3
Its currently incorrectly multiplied by number of XCCs in the partition

Fixes: be457b2252 ("drm/amdkfd: Update cache info for GFX 9.4.3")
Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:42 -05:00
Hamza Mahfooz
d16df040c8 drm/amdgpu: make damage clips support configurable
We have observed that there are quite a number of PSR-SU panels on the
market that are unable to keep up with what user space throws at them,
resulting in hangs and random black screens. So, make damage clips
support configurable and disable it by default for PSR-SU displays.

Cc: stable@vger.kernel.org
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-15 14:18:42 -05:00
Linus Torvalds
68fb3ca0e4 update workarounds for gcc "asm goto" issue
In commit 4356e9f841 ("work around gcc bugs with 'asm goto' with
outputs") I did the gcc workaround unconditionally, because the cause of
the bad code generation wasn't entirely clear.

In the meantime, Jakub Jelinek debugged the issue, and has come up with
a fix in gcc [2], which also got backported to the still maintained
branches of gcc-11, gcc-12 and gcc-13.

Note that while the fix technically wasn't in the original gcc-14
branch, Jakub says:

 "while it is true that no GCC 14 snapshots until today (or whenever the
  fix will be committed) have the fix, for GCC trunk it is up to the
  distros to use the latest snapshot if they use it at all and would
  allow better testing of the kernel code without the workaround, so
  that if there are other issues they won't be discovered years later.
  Most userland code doesn't actually use asm goto with outputs..."

so we will consider gcc-14 to be fixed - if somebody is using gcc
snapshots of the gcc-14 before the fix, they should upgrade.

Note that while the bug goes back to gcc-11, in practice other gcc
changes seem to have effectively hidden it since gcc-12.1 as per a
bisect by Jakub.  So even a gcc-14 snapshot without the fix likely
doesn't show actual problems.

Also, make the default 'asm_goto_output()' macro mark the asm as
volatile by hand, because of an unrelated gcc issue [1] where it doesn't
match the documented behavior ("asm goto is always volatile").

Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103979 [1]
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113921 [2]
Link: https://lore.kernel.org/all/20240208220604.140859-1-seanjc@google.com/
Requested-by: Jakub Jelinek <jakub@redhat.com>
Cc: Uros Bizjak <ubizjak@gmail.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Andrew Pinski <quic_apinski@quicinc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-02-15 11:14:33 -08:00
Linus Torvalds
339e2fca02 Devicetree fixes for v6.8:
- Improve devlink dependency parsing for DT graphs
 
 - Fix devlink handling of io-channels dependencies
 
 - Fix PCI addressing in marvell,prestera example
 
 - A few schema fixes for property constraints
 
 - Improve performance of DT unprobed devices kselftest
 
 - Fix regression in DT_SCHEMA_FILES handling
 
 - Fix compile error in unittest for !OF_DYNAMIC
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Merge tag 'devicetree-fixes-for-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Improve devlink dependency parsing for DT graphs

 - Fix devlink handling of io-channels dependencies

 - Fix PCI addressing in marvell,prestera example

 - A few schema fixes for property constraints

 - Improve performance of DT unprobed devices kselftest

 - Fix regression in DT_SCHEMA_FILES handling

 - Fix compile error in unittest for !OF_DYNAMIC

* tag 'devicetree-fixes-for-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: ufs: samsung,exynos-ufs: Add size constraints on "samsung,sysreg"
  of: property: Add in-ports/out-ports support to of_graph_get_port_parent()
  of: property: Improve finding the supplier of a remote-endpoint property
  of: property: Improve finding the consumer of a remote-endpoint property
  net: marvell,prestera: Fix example PCI bus addressing
  of: unittest: Fix compile in the non-dynamic case
  of: property: fix typo in io-channels
  dt-bindings: tpm: Drop type from "resets"
  dt-bindings: display: nxp,tda998x: Fix 'audio-ports' constraints
  dt-bindings: xilinx: replace Piyush Mehta maintainership
  kselftest: dt: Stop relying on dirname to improve performance
  dt-bindings: don't anchor DT_SCHEMA_FILES to bindings directory
2024-02-15 10:19:55 -08:00
Andy Shevchenko
6efe4d1879 seq_buf: Fix kernel documentation
There are plenty of issues with the kernel documentation here:
  - misspelled word "sequence"
  - different style of returned value descriptions
  - missed Return sections
  - unaligned style of ASCII / NUL-terminated / etc
  - wrong function references

Fix all these.

Link: https://lkml.kernel.org/r/20240215152506.598340-1-andriy.shevchenko@linux.intel.com

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2024-02-15 12:17:28 -05:00
Andy Shevchenko
8a566f9410 seq_buf: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.

Link: https://lkml.kernel.org/r/20240215142255.400264-1-andriy.shevchenko@linux.intel.com

Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2024-02-15 12:16:46 -05:00
Linus Torvalds
a00cf1988a spi: Fixes for v6.8
A smallish collection of fixes for SPI, all driver specific, plus one
 device ID addition for a new Intel part.  The ppc4xx isn't routinely
 covered by most of the automated testing so there were some errors that
 were missed in some of the recent API conversions, otherwise there's
 nothing super remarkable here.
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Merge tag 'spi-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A smallish collection of fixes for SPI, all driver specific, plus one
  device ID addition for a new Intel part.

  The ppc4xx isn't routinely covered by most of the automated testing so
  there were some errors that were missed in some of the recent API
  conversions, otherwise there's nothing super remarkable here"

* tag 'spi-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi-mxs: Fix chipselect glitch
  spi: intel-pci: Add support for Lunar Lake-M SPI serial flash
  spi: omap2-mcspi: Revert FIFO support without DMA
  spi: ppc4xx: Drop write-only variable
  spi: ppc4xx: Fix fallout from rename in struct spi_bitbang
  spi: ppc4xx: Fix fallout from include cleanup
  spi: spi-ppc4xx: include missing platform_device.h
  spi: imx: fix the burst length at DMA mode and CPU mode
2024-02-15 09:13:12 -08:00
Linus Torvalds
2c460834f6 regmap: Fixes for v6.8
Guenter runs a lot of KUnit tests so noticed that there were a couple of
 the regmap tests, including the newly added noinc test, which could show
 spurious failures due to the use of randomly generated test values.
 These changes handle the randomly generated data properly.
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Merge tag 'regmap-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap test fixes from Mark Brown:
 "Guenter runs a lot of KUnit tests so noticed that there were a couple
  of the regmap tests, including the newly added noinc test, which could
  show spurious failures due to the use of randomly generated test
  values. These changes handle the randomly generated data properly"

* tag 'regmap-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: kunit: Ensure that changed bytes are actually different
  regmap: kunit: fix raw noinc write test wrapping
2024-02-15 09:11:06 -08:00