Commit Graph

1250764 Commits

Author SHA1 Message Date
Linus Torvalds
6d20acbf3e SCSI fixes on 20240224
Six fixes: the four driver ones are pretty trivial.  The larger two
 core changes are to try to fix various USB attached devices which have
 somewhat eccentric ways of handling the VPD and other mode pages which
 necessitate multiple revalidates (that were removed in the interests
 of efficiency) and updating the heuristic for supported VPD pages.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Six fixes: the four driver ones are pretty trivial.

  The larger two core changes are to try to fix various USB attached
  devices which have somewhat eccentric ways of handling the VPD and
  other mode pages which necessitate multiple revalidates (that were
  removed in the interests of efficiency) and updating the heuristic for
  supported VPD pages"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: jazz_esp: Only build if SCSI core is builtin
  scsi: smartpqi: Fix disable_managed_interrupts
  scsi: ufs: Uninitialized variable in ufshcd_devfreq_target()
  scsi: target: pscsi: Fix bio_put() for error case
  scsi: core: Consult supported VPD page list prior to fetching page
  scsi: sd: usb_storage: uas: Access media prior to querying device properties
2024-02-24 09:49:16 -08:00
Linus Torvalds
fef85269a1 Passing on a bugfix for host drivers
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Merge tag 'i2c-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fix from Wolfram Sang:
 "A bugfix for host drivers"

* tag 'i2c-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: imx: when being a target, mark the last read as processed
2024-02-24 09:46:05 -08:00
Linus Torvalds
c6a597fcc7 LoongArch fixes for v6.8-rc6
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Merge tag 'loongarch-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Fix two cpu-hotplug issues, fix the init sequence about FDT system,
  fix the coding style of dts, and fix the wrong CPUCFG ID handling of
  KVM"

* tag 'loongarch-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: KVM: Streamline kvm_check_cpucfg() and improve comments
  LoongArch: KVM: Rename _kvm_get_cpucfg() to _kvm_get_cpucfg_mask()
  LoongArch: KVM: Fix input validation of _kvm_get_cpucfg() & kvm_check_cpucfg()
  LoongArch: dts: Minor whitespace cleanup
  LoongArch: Call early_init_fdt_scan_reserved_mem() earlier
  LoongArch: Update cpu_sibling_map when disabling nonboot CPUs
  LoongArch: Disable IRQ before init_fn() for nonboot CPUs
2024-02-24 09:36:35 -08:00
Arnd Bergmann
66ad2fbcdb dm-integrity, dm-verity: reduce stack usage for recheck
The newly added integrity_recheck() function has another larger stack
allocation, just like its caller integrity_metadata(). When it gets
inlined, the combination of the two exceeds the warning limit for 32-bit
architectures and possibly risks an overflow when this is called from
a deep call chain through a file system:

drivers/md/dm-integrity.c:1767:13: error: stack frame size (1048) exceeds limit (1024) in 'integrity_metadata' [-Werror,-Wframe-larger-than]
 1767 | static void integrity_metadata(struct work_struct *w)

Since the caller at this point is done using its checksum buffer,
just reuse the same buffer in the new function to avoid the double
allocation.

[Mikulas: add "noinline" to integrity_recheck and verity_recheck.
These functions are only called on error, so they shouldn't bloat the
stack frame or code size of the caller.]

Fixes: c88f5e553f ("dm-integrity: recheck the integrity tag after a failure")
Fixes: 9177f3c0de ("dm-verity: recheck the hash after a failure")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2024-02-24 10:53:57 -05:00
Corey Minyard
87aec49936 i2c: imx: when being a target, mark the last read as processed
When being a target, NAK from the controller means that all bytes have
been transferred. So, the last byte needs also to be marked as
'processed'. Otherwise index registers of backends may not increase.

Fixes: f7414cd692 ("i2c: imx: support slave mode for imx I2C driver")
Signed-off-by: Corey Minyard <minyard@acm.org>
Tested-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
[wsa: fixed comment and commit message to properly describe the case]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
2024-02-23 23:39:35 +01:00
Linus Torvalds
603c04e27c parisc architecture fixes for kernel v6.8-rc6:
- Fix CPU hotplug
 - Fix unaligned accesses and faults in stack unwinder
 - Fix potential build errors by always including asm-generic/kprobes.h
 - Fix build bug by add missing CONFIG_DYNAMIC_FTRACE check
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Merge tag 'parisc-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:
 "Fixes CPU hotplug, the parisc stack unwinder and two possible build
  errors in kprobes and ftrace area:

   - Fix CPU hotplug

   - Fix unaligned accesses and faults in stack unwinder

   - Fix potential build errors by always including asm-generic/kprobes.h

   - Fix build bug by add missing CONFIG_DYNAMIC_FTRACE check"

* tag 'parisc-for-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix stack unwinder
  parisc/kprobes: always include asm-generic/kprobes.h
  parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check
  Revert "parisc: Only list existing CPUs in cpu_possible_mask"
2024-02-23 10:40:20 -08:00
Linus Torvalds
e44baca779 Arm and RISC-V SoC fixes for 6.8, part 2
The Rockchip and IMX8 platforms get a number of fixes for dts files in
 order to address some misconfigurations, including a regression for
 USB-C support on some boards.
 
 The other dts fixes are part of a series by Rob Herring to clean up
 another class of dtc compiler warnings across all platforms, with
 a few others helping out as well. With this, we can enable the warning
 for the coming merge window without introducing regressions.
 
 Conor Dooley has collected fixes for RISC-V platforms, both for the
 dts files and for platofrm specific drivers.
 
 The ep93xx platform gets a regression for for its gpio descriptors.
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Merge tag 'arm-fixes-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull arm and RISC-V SoC fixes from Arnd Bergmann:
 "The Rockchip and IMX8 platforms get a number of fixes for dts files in
  order to address some misconfigurations, including a regression for
  USB-C support on some boards.

  The other dts fixes are part of a series by Rob Herring to clean up
  another class of dtc compiler warnings across all platforms, with a
  few others helping out as well. With this, we can enable the warning
  for the coming merge window without introducing regressions.

  Conor Dooley has collected fixes for RISC-V platforms, both for the
  dts files and for platofrm specific drivers.

  The ep93xx platform gets a regression for for its gpio descriptors"

* tag 'arm-fixes-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
  ARM: dts: renesas: rcar-gen2: Add missing #interrupt-cells to DA9063 nodes
  cache: ax45mp_cache: Align end size to cache boundary in ax45mp_dma_cache_wback()
  arm64: dts: qcom: Fix interrupt-map cell sizes
  arm: dts: Fix dtc interrupt_map warnings
  arm64: dts: Fix dtc interrupt_provider warnings
  arm: dts: Fix dtc interrupt_provider warnings
  arm64: dts: freescale: Disable interrupt_map check
  ARM: ep93xx: Add terminator to gpiod_lookup_table
  riscv: dts: sifive: add missing #interrupt-cells to pmic
  arm64: dts: rockchip: Correct Indiedroid Nova GPIO Names
  arm64: dts: rockchip: Drop interrupts property from rk3328 pwm-rockchip node
  arm64: dts: rockchip: set num-cs property for spi on px30
  arm64: dts: rockchip: minor rk3588 whitespace cleanup
  riscv: dts: starfive: replace underscores in node names
  bus: imx-weim: fix valid range check
  Revert "arm64: dts: imx8mn-var-som-symphony: Describe the USB-C connector"
  Revert "arm64: dts: imx8mp-dhcom-pdk3: Describe the USB-C connector"
  arm64: dts: tqma8mpql: fix audio codec iov-supply
  arm64: dts: rockchip: drop unneeded status from rk3588-jaguar gpio-leds
  ARM: dts: rockchip: Drop interrupts property from pwm-rockchip nodes
  ...
2024-02-23 10:31:28 -08:00
Linus Torvalds
86f01602a4 arm64 fixes for -rc6
- Revert fix to jump label asm constraints, as it regresses the build
   with some GCC 5.5 toolchains.
 
 - Restore SME control registers when resuming from suspend
 
 - Fix incorrect filter definition in CXL PMU driver
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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:
 "A simple fix to a definition in the CXL PMU driver, a couple of
  patches to restore SME control registers on the resume path (since
  Arm's fast model now clears them) and a revert for our jump label asm
  constraints after Geert noticed they broke the build with GCC 5.5.

  There was then the ensuing discussion about raising the minimum GCC
  (and corresponding binutils) versions at [1], but for now we'll keep
  things working as they were until that goes ahead.

   - Revert fix to jump label asm constraints, as it regresses the build
     with some GCC 5.5 toolchains.

   - Restore SME control registers when resuming from suspend

   - Fix incorrect filter definition in CXL PMU driver"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sme: Restore SMCR_EL1.EZT0 on exit from suspend
  arm64/sme: Restore SME registers on exit from suspend
  Revert "arm64: jump_label: use constraints "Si" instead of "i""
  perf: CXL: fix CPMU filter value mask length
2024-02-23 10:26:43 -08:00
Linus Torvalds
5efa18e862 s390 fixes for 6.8-rc6
- Fix invalid -EBUSY on ccw_device_start() which can lead to failing
   device initialization
 
 - Add missing multiplication by 8 in __iowrite64_copy() to get the
   correct byte length before calling zpci_memcpy_toio()
 
 - Various config updates
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Merge tag 's390-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Fix invalid -EBUSY on ccw_device_start() which can lead to failing
   device initialization

 - Add missing multiplication by 8 in __iowrite64_copy() to get the
   correct byte length before calling zpci_memcpy_toio()

 - Various config updates

* tag 's390-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/cio: fix invalid -EBUSY on ccw_device_start
  s390: use the correct count for __iowrite64_copy()
  s390/configs: update default configurations
  s390/configs: enable INIT_STACK_ALL_ZERO in all configurations
  s390/configs: provide compat topic configuration target
2024-02-23 09:54:13 -08:00
Linus Torvalds
95e73fb16a 14 hotfixes. 10 are cc:stable and the remainder address post-6.7 issues
or aren't considered appropriate for backporting.
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Merge tag 'mm-hotfixes-stable-2024-02-22-15-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "A batch of MM (and one non-MM) hotfixes.

  Ten are cc:stable and the remainder address post-6.7 issues or aren't
  considered appropriate for backporting"

* tag 'mm-hotfixes-stable-2024-02-22-15-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  kasan: guard release_free_meta() shadow access with kasan_arch_is_ready()
  mm/damon/lru_sort: fix quota status loss due to online tunings
  mm/damon/reclaim: fix quota stauts loss due to online tunings
  MAINTAINERS: mailmap: update Shakeel's email address
  mm/damon/sysfs-schemes: handle schemes sysfs dir removal before commit_schemes_quota_goals
  mm: memcontrol: clarify swapaccount=0 deprecation warning
  mm/memblock: add MEMBLOCK_RSRV_NOINIT into flagname[] array
  mm/zswap: invalidate duplicate entry when !zswap_enabled
  lib/Kconfig.debug: TEST_IOV_ITER depends on MMU
  mm/swap: fix race when skipping swapcache
  mm/swap_state: update zswap LRU's protection range with the folio locked
  selftests/mm: uffd-unit-test check if huge page size is 0
  mm/damon/core: check apply interval in damon_do_apply_schemes()
  mm: zswap: fix missing folio cleanup in writeback race path
2024-02-23 09:43:21 -08:00
Linus Torvalds
e7768e65cd - Stable fixes for 3 DM targets (integrity, verity and crypt) to
address systemic failure that can occur if user provided pages map
   to the same block.
 
 - Fix DM crypt to not allow modifying data that being encrypted for
   authenticated encryption.
 
 - Fix DM crypt and verity targets to align their respective bvec_iter
   struct members to avoid the need for byte level access (due to
   __packed attribute) that is costly on some arches (like RISC).
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Merge tag 'for-6.8/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Stable fixes for 3 DM targets (integrity, verity and crypt) to
   address systemic failure that can occur if user provided pages map to
   the same block.

 - Fix DM crypt to not allow modifying data that being encrypted for
   authenticated encryption.

 - Fix DM crypt and verity targets to align their respective bvec_iter
   struct members to avoid the need for byte level access (due to
   __packed attribute) that is costly on some arches (like RISC).

* tag 'for-6.8/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm-crypt, dm-integrity, dm-verity: bump target version
  dm-verity, dm-crypt: align "struct bvec_iter" correctly
  dm-crypt: recheck the integrity tag after a failure
  dm-crypt: don't modify the data when using authenticated encryption
  dm-verity: recheck the hash after a failure
  dm-integrity: recheck the integrity tag after a failure
2024-02-23 09:23:54 -08:00
Linus Torvalds
06b7ef70b1 drm fixes for 6.8-rc6
fbdev:
 - fix sparc undefined reference
 
 syncobj:
 - fix sync obj fence waiting
 - handle NULL fence in syncobj eventfd code
 
 ttm:
 - fix invalid free
 
 buddy:
 - fix list handling
 - fix 32-bit build
 
 meson:
 - don't remove bridges from other drivers
 
 nouveau:
 - fix build warnings
 - add two minor info parameters
 - add a Kconfig to allow GSP by default on some GPUs
 
 ivpu:
 - allow fw to do initial tile config
 
 i915:
 - fix TV mode
 
 amdgpu:
 - Suspend/resume fixes
 - Backlight error fix
 - DCN 3.5 fixes
 - Misc fixes
 
 xe:
 - Remove support for persistent exec_queues
 - Drop a reduntant sysfs newline printout
 - A three-patch fix for a VM_BIND rebind optimization path
 - Fix a modpost warning on an xe KUNIT module
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Merge tag 'drm-fixes-2024-02-23' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This is the weekly drm fixes. Non-drivers there is a fbdev/sparc fix,
  syncobj, ttm and buddy fixes.

  On the driver side, ivpu, meson, i915 have a small fix each. Then
  amdgpu and xe have a bunch. Nouveau has some minor uapi additions to
  give userspace some useful info along with a Kconfig change to allow
  the new GSP firmware paths to be used by default on the GPUs it
  supports.

  Seems about the usual amount for this time of release cycle.

  fbdev:
   - fix sparc undefined reference

  syncobj:
   - fix sync obj fence waiting
   - handle NULL fence in syncobj eventfd code

  ttm:
   - fix invalid free

  buddy:
   - fix list handling
   - fix 32-bit build

  meson:
   - don't remove bridges from other drivers

  nouveau:
   - fix build warnings
   - add two minor info parameters
   - add a Kconfig to allow GSP by default on some GPUs

  ivpu:
   - allow fw to do initial tile config

  i915:
   - fix TV mode

  amdgpu:
   - Suspend/resume fixes
   - Backlight error fix
   - DCN 3.5 fixes
   - Misc fixes

  xe:
   - Remove support for persistent exec_queues
   - Drop a reduntant sysfs newline printout
   - A three-patch fix for a VM_BIND rebind optimization path
   - Fix a modpost warning on an xe KUNIT module"

* tag 'drm-fixes-2024-02-23' of git://anongit.freedesktop.org/drm/drm: (27 commits)
  nouveau: add an ioctl to report vram usage
  nouveau: add an ioctl to return vram bar size.
  nouveau/gsp: add kconfig option to enable GSP paths by default
  drm/amdgpu: Fix the runtime resume failure issue
  drm/amd/display: fix null-pointer dereference on edid reading
  drm/amd/display: Fix memory leak in dm_sw_fini()
  drm/amd/display: fix input states translation error for dcn35 & dcn351
  drm/amd/display: Fix potential null pointer dereference in dc_dmub_srv
  drm/amd/display: Only allow dig mapping to pwrseq in new asic
  drm/amd/display: adjust few initialization order in dm
  drm/syncobj: handle NULL fence in syncobj_eventfd_entry_func
  drm/syncobj: call drm_syncobj_fence_add_wait when WAIT_AVAILABLE flag is set
  drm/ttm: Fix an invalid freeing on already freed page in error path
  sparc: Fix undefined reference to fb_is_primary_device
  drm/xe: Fix modpost warning on xe_mocs kunit module
  drm/xe/xe_gt_idle: Drop redundant newline in name
  drm/xe: Return 2MB page size for compact 64k PTEs
  drm/xe: Add XE_VMA_PTE_64K VMA flag
  drm/xe: Fix xe_vma_set_pte_size
  drm/xe/uapi: Remove support for persistent exec_queues
  ...
2024-02-23 09:17:47 -08:00
Linus Torvalds
b6d69282db ata changes for 6.8-rc6
- Do not try to set a sleeping device to standby. Sleep is a deeper
    sleep state than standby, and needs a reset to wake up the drive.
    A system resume will reset the port. Sending a command other than
    reset to a sleeping device is not wise, as the command will timeout.
    (Damien Le Moal)
 
  - Do not try to put a device to standby twice during system shutdown.
    ata_dev_power_set_standby() is currently called twice during
    shutdown, once after the scsi device is removed, and another when
    ata_pci_shutdown_one() executes. Modify ata_dev_power_set_standby()
    to do nothing if the device is already in standby. (Damien Le Moal)
 
  - Add a quirk for ASM1064 to fixup the number of implemented ports.
    We probe all ports that the hardware reports to be implemented.
    Probing ports that are not implemented causes significantly increased
    boot time. (Andrey Jr. Melnikov)
 
  - Fix error handling for the ahci_ceva driver.
    Ensure that the ahci_ceva driver does a proper cleanup of its
    resources in the error path. (Radhey Shyam Pandey)
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Merge tag 'ata-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata fixes from Niklas Cassel:

 - Do not try to set a sleeping device to standby. Sleep is a deeper
   sleep state than standby, and needs a reset to wake up the drive. A
   system resume will reset the port. Sending a command other than reset
   to a sleeping device is not wise, as the command will timeout (Damien
   Le Moal)

 - Do not try to put a device to standby twice during system shutdown.
   ata_dev_power_set_standby() is currently called twice during
   shutdown, once after the scsi device is removed, and another when
   ata_pci_shutdown_one() executes. Modify ata_dev_power_set_standby()
   to do nothing if the device is already in standby (Damien Le Moal)

 - Add a quirk for ASM1064 to fixup the number of implemented ports. We
   probe all ports that the hardware reports to be implemented. Probing
   ports that are not implemented causes significantly increased boot
   time (Andrey Jr. Melnikov)

 - Fix error handling for the ahci_ceva driver. Ensure that the
   ahci_ceva driver does a proper cleanup of its resources in the error
   path (Radhey Shyam Pandey)

* tag 'ata-6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: libata-core: Do not call ata_dev_power_set_standby() twice
  ata: ahci_ceva: fix error handling for Xilinx GT PHY support
  ahci: asm1064: correct count of reported ports
  ata: libata-core: Do not try to set sleeping devices to standby
2024-02-23 09:05:56 -08:00
Linus Torvalds
9cd42be825 gpio fixes for v6.8-rc6
- fix a use-case where no pins are mapped to GPIOs in
   gpiochip_generic_config()
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Merge tag 'gpio-fixes-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fix from Bartosz Golaszewski:

 - fix a use-case where no pins are mapped to GPIOs in
   gpiochip_generic_config()

* tag 'gpio-fixes-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: Handle no pin_ranges in gpiochip_generic_config()
2024-02-23 09:01:35 -08:00
Linus Torvalds
76d885a1e5 hwmon fixes for v6.8-rc6
Fix a global-out-of-bounds bug in nct6775 driver.
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Merge tag 'hwmon-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix a global-out-of-bounds bug in nct6775 driver"

* tag 'hwmon-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (nct6775) Fix access to temperature configuration registers
2024-02-23 08:58:47 -08:00
Jason Gunthorpe
65d4418c50 iommu/sva: Restore SVA handle sharing
Prior to commit 092edaddb6 ("iommu: Support mm PASID 1:n with sva
domains") the code allowed a SVA handle to be bound multiple times to the
same (mm, device) pair. This was alluded to in the kdoc comment, but we
had understood this to be more a remark about allowing multiple devices,
not a literal same-driver re-opening the same SVA.

It turns out uacce and idxd were both relying on the core code to handle
reference counting for same-device same-mm scenarios. As this looks hard
to resolve in the drivers bring it back to the core code.

The new design has changed the meaning of the domain->users refcount to
refer to the number of devices that are sharing that domain for the same
mm. This is part of the design to lift the SVA domain de-duplication out
of the drivers.

Return the old behavior by explicitly de-duplicating the struct iommu_sva
handle. The same (mm, device) will return the same handle pointer and the
core code will handle tracking this. The last unbind of the handle will
destroy it.

Fixes: 092edaddb6 ("iommu: Support mm PASID 1:n with sva domains")
Reported-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Closes: https://lore.kernel.org/all/20240221110658.529-1-zhangfei.gao@linaro.org/
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/0-v1-9455fc497a6f+3b4-iommu_sva_sharing_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2024-02-23 16:45:05 +01:00
Joerg Roedel
16b1b39126 Arm SMMU fixes for 6.8
- Fix CD allocation from atomic context when using SVA with SMMUv3
 
 - Revert the conversion of SMMUv2 to domain_alloc_paging(), as it
   breaks the boot for Qualcomm MSM8996 devices
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Merge tag 'arm-smmu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes

Arm SMMU fixes for 6.8

- Fix CD allocation from atomic context when using SVA with SMMUv3

- Revert the conversion of SMMUv2 to domain_alloc_paging(), as it
  breaks the boot for Qualcomm MSM8996 devices
2024-02-23 16:43:53 +01:00
Arnd Bergmann
dcb8e53e33 Renesas fixes for v6.8
- Add missing #interrupt-cells to DA9063 nodes.
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Merge tag 'renesas-fixes-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes

Renesas fixes for v6.8

  - Add missing #interrupt-cells to DA9063 nodes.

* tag 'renesas-fixes-for-v6.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: dts: renesas: rcar-gen2: Add missing #interrupt-cells to DA9063 nodes

Link: https://lore.kernel.org/r/cover.1708597150.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-23 13:54:37 +01:00
Arnd Bergmann
4bd5b4c2eb RISC-V Devicetree fixes for v6.8-rc6
Two fixes for W=2 issues in devicetrees, which should constitute fixes
 for all reasonable-to-fix W=2 problems on RISC-V. The others are caused
 by standard USB and MMC property names containing underscores that are
 not likely to ever change.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V Devicetree fixes for v6.8-rc6

Two fixes for W=2 issues in devicetrees, which should constitute fixes
for all reasonable-to-fix W=2 problems on RISC-V. The others are caused
by standard USB and MMC property names containing underscores that are
not likely to ever change.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-dt-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  riscv: dts: sifive: add missing #interrupt-cells to pmic
  riscv: dts: starfive: replace underscores in node names

Link: https://lore.kernel.org/r/20240221-foil-glade-09dbf1aa3fe2@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-23 13:54:07 +01:00
Arnd Bergmann
fe514e1775 RISC-V SoC driver fixes for v6.8-rc6
A fix for a kconfig symbol whose help text has been unhelpful since its
 introduction.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-drivers-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V SoC driver fixes for v6.8-rc6

A fix for a kconfig symbol whose help text has been unhelpful since its
introduction.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-soc-drivers-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  soc: microchip: Fix POLARFIRE_SOC_SYS_CTRL input prompt

Link: https://lore.kernel.org/r/20240221-irate-outrage-cf7f96f83074@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-23 13:53:54 +01:00
Arnd Bergmann
4d934f94ad Microchip firmware driver fixes for v6.8-rc6
A single fix for me incorrectly using sizeof().
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-firmware-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

Microchip firmware driver fixes for v6.8-rc6

A single fix for me incorrectly using sizeof().

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-firmware-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  firmware: microchip: fix wrong sizeof argument

Link: https://lore.kernel.org/r/20240221-recognize-dust-4bb575f4e67b@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-23 13:53:44 +01:00
Arnd Bergmann
bcb323bd10 RISC-V Cache driver fixes for v6.8-rc6
A single fix for an inconsistency reported during CIP review by Pavel in
 the newly added ax45mp cache driver.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-cache-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V Cache driver fixes for v6.8-rc6

A single fix for an inconsistency reported during CIP review by Pavel in
the newly added ax45mp cache driver.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-cache-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  cache: ax45mp_cache: Align end size to cache boundary in ax45mp_dma_cache_wback()

Link: https://lore.kernel.org/r/20240221-keenness-handheld-b930aaa77708@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-02-23 13:53:30 +01:00
WANG Xuerui
f0f5c4894f LoongArch: KVM: Streamline kvm_check_cpucfg() and improve comments
All the checks currently done in kvm_check_cpucfg can be realized with
early returns, so just do that to avoid extra cognitive burden related
to the return value handling.

While at it, clean up comments of _kvm_get_cpucfg_mask() and
kvm_check_cpucfg(), by removing comments that are merely restatement of
the code nearby, and paraphrasing the rest so they read more natural for
English speakers (that likely are not familiar with the actual Chinese-
influenced grammar).

No functional changes intended.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
WANG Xuerui
ec83f39d2b LoongArch: KVM: Rename _kvm_get_cpucfg() to _kvm_get_cpucfg_mask()
The function is not actually a getter of guest CPUCFG, but rather
validation of the input CPUCFG ID plus information about the supported
bit flags of that CPUCFG leaf. So rename it to avoid confusion.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
WANG Xuerui
179af5751a LoongArch: KVM: Fix input validation of _kvm_get_cpucfg() & kvm_check_cpucfg()
The range check for the CPUCFG ID is wrong (should have been a ||
instead of &&) and useless in effect, so fix the obvious mistake.

Furthermore, the juggling of the temp return value is unnecessary,
because it is semantically equivalent and more readable to just
return at every switch case's end. This is done too to avoid potential
bugs in the future related to the unwanted complexity.

Also, the return value of _kvm_get_cpucfg is meant to be checked, but
this was not done, so bad CPUCFG IDs wrongly fall back to the default
case and 0 is incorrectly returned; check the return value to fix the
UAPI behavior.

While at it, also remove the redundant range check in kvm_check_cpucfg,
because out-of-range CPUCFG IDs are already rejected by the -EINVAL
as returned by _kvm_get_cpucfg().

Fixes: db1ecca22e ("LoongArch: KVM: Add LSX (128bit SIMD) support")
Fixes: 118e10cd89 ("LoongArch: KVM: Add LASX (256bit SIMD) support")
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
Krzysztof Kozlowski
f661ca4078 LoongArch: dts: Minor whitespace cleanup
The DTS code coding style expects exactly one space before '{'
character.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
Huacai Chen
9fa304b9f8 LoongArch: Call early_init_fdt_scan_reserved_mem() earlier
The unflatten_and_copy_device_tree() function contains a call to
memblock_alloc(). This means that memblock is allocating memory before
any of the reserved memory regions are set aside in the arch_mem_init()
function which calls early_init_fdt_scan_reserved_mem(). Therefore,
there is a possibility for memblock to allocate from any of the
reserved memory regions.

Hence, move the call to early_init_fdt_scan_reserved_mem() to be earlier
in the init sequence, so that the reserved memory regions are set aside
before any allocations are done using memblock.

Cc: stable@vger.kernel.org
Fixes: 88d4d957ed ("LoongArch: Add FDT booting support from efi system table")
Signed-off-by: Oreoluwa Babatunde <quic_obabatun@quicinc.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
Huacai Chen
752cd08da3 LoongArch: Update cpu_sibling_map when disabling nonboot CPUs
Update cpu_sibling_map when disabling nonboot CPUs by defining & calling
clear_cpu_sibling_map(), otherwise we get such errors on SMT systems:

jump label: negative count!
WARNING: CPU: 6 PID: 45 at kernel/jump_label.c:263 __static_key_slow_dec_cpuslocked+0xec/0x100
CPU: 6 PID: 45 Comm: cpuhp/6 Not tainted 6.8.0-rc5+ #1340
pc 90000000004c302c ra 90000000004c302c tp 90000001005bc000 sp 90000001005bfd20
a0 000000000000001b a1 900000000224c278 a2 90000001005bfb58 a3 900000000224c280
a4 900000000224c278 a5 90000001005bfb50 a6 0000000000000001 a7 0000000000000001
t0 ce87a4763eb5234a t1 ce87a4763eb5234a t2 0000000000000000 t3 0000000000000000
t4 0000000000000006 t5 0000000000000000 t6 0000000000000064 t7 0000000000001964
t8 000000000009ebf6 u0 9000000001f2a068 s9 0000000000000000 s0 900000000246a2d8
s1 ffffffffffffffff s2 ffffffffffffffff s3 90000000021518c0 s4 0000000000000040
s5 9000000002151058 s6 9000000009828e40 s7 00000000000000b4 s8 0000000000000006
   ra: 90000000004c302c __static_key_slow_dec_cpuslocked+0xec/0x100
  ERA: 90000000004c302c __static_key_slow_dec_cpuslocked+0xec/0x100
 CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
 PRMD: 00000004 (PPLV0 +PIE -PWE)
 EUEN: 00000000 (-FPE -SXE -ASXE -BTE)
 ECFG: 00071c1c (LIE=2-4,10-12 VS=7)
ESTAT: 000c0000 [BRK] (IS= ECode=12 EsubCode=0)
 PRID: 0014d000 (Loongson-64bit, Loongson-3A6000-HV)
CPU: 6 PID: 45 Comm: cpuhp/6 Not tainted 6.8.0-rc5+ #1340
Stack : 0000000000000000 900000000203f258 900000000179afc8 90000001005bc000
        90000001005bf980 0000000000000000 90000001005bf988 9000000001fe0be0
        900000000224c280 900000000224c278 90000001005bf8c0 0000000000000001
        0000000000000001 ce87a4763eb5234a 0000000007f38000 90000001003f8cc0
        0000000000000000 0000000000000006 0000000000000000 4c206e6f73676e6f
        6f4c203a656d616e 000000000009ec99 0000000007f38000 0000000000000000
        900000000214b000 9000000001fe0be0 0000000000000004 0000000000000000
        0000000000000107 0000000000000009 ffffffffffafdabe 00000000000000b4
        0000000000000006 90000000004c302c 9000000000224528 00005555939a0c7c
        00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c
        ...
Call Trace:
[<9000000000224528>] show_stack+0x48/0x1a0
[<900000000179afc8>] dump_stack_lvl+0x78/0xa0
[<9000000000263ed0>] __warn+0x90/0x1a0
[<90000000017419b8>] report_bug+0x1b8/0x280
[<900000000179c564>] do_bp+0x264/0x420
[<90000000004c302c>] __static_key_slow_dec_cpuslocked+0xec/0x100
[<90000000002b4d7c>] sched_cpu_deactivate+0x2fc/0x300
[<9000000000266498>] cpuhp_invoke_callback+0x178/0x8a0
[<9000000000267f70>] cpuhp_thread_fun+0xf0/0x240
[<90000000002a117c>] smpboot_thread_fn+0x1dc/0x2e0
[<900000000029a720>] kthread+0x140/0x160
[<9000000000222288>] ret_from_kernel_thread+0xc/0xa4

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
Huacai Chen
1001db6c42 LoongArch: Disable IRQ before init_fn() for nonboot CPUs
Disable IRQ before init_fn() for nonboot CPUs when hotplug, in order to
silence such warnings (and also avoid potential errors due to unexpected
interrupts):

WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:4503 rcu_cpu_starting+0x214/0x280
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.17+ #1198
pc 90000000048e3334 ra 90000000047bd56c tp 900000010039c000 sp 900000010039fdd0
a0 0000000000000001 a1 0000000000000006 a2 900000000802c040 a3 0000000000000000
a4 0000000000000001 a5 0000000000000004 a6 0000000000000000 a7 90000000048e3f4c
t0 0000000000000001 t1 9000000005c70968 t2 0000000004000000 t3 000000000005e56e
t4 00000000000002e4 t5 0000000000001000 t6 ffffffff80000000 t7 0000000000040000
t8 9000000007931638 u0 0000000000000006 s9 0000000000000004 s0 0000000000000001
s1 9000000006356ac0 s2 9000000007244000 s3 0000000000000001 s4 0000000000000001
s5 900000000636f000 s6 7fffffffffffffff s7 9000000002123940 s8 9000000001ca55f8
   ra: 90000000047bd56c tlb_init+0x24c/0x528
  ERA: 90000000048e3334 rcu_cpu_starting+0x214/0x280
 CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
 PRMD: 00000000 (PPLV0 -PIE -PWE)
 EUEN: 00000000 (-FPE -SXE -ASXE -BTE)
 ECFG: 00071000 (LIE=12 VS=7)
ESTAT: 000c0000 [BRK] (IS= ECode=12 EsubCode=0)
 PRID: 0014c010 (Loongson-64bit, Loongson-3A5000)
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.17+ #1198
Stack : 0000000000000000 9000000006375000 9000000005b61878 900000010039c000
        900000010039fa30 0000000000000000 900000010039fa38 900000000619a140
        9000000006456888 9000000006456880 900000010039f950 0000000000000001
        0000000000000001 cb0cb028ec7e52e1 0000000002b90000 9000000100348700
        0000000000000000 0000000000000001 ffffffff916d12f1 0000000000000003
        0000000000040000 9000000007930370 0000000002b90000 0000000000000004
        9000000006366000 900000000619a140 0000000000000000 0000000000000004
        0000000000000000 0000000000000009 ffffffffffc681f2 9000000002123940
        9000000001ca55f8 9000000006366000 90000000047a4828 00007ffff057ded8
        00000000000000b0 0000000000000000 0000000000000000 0000000000071000
        ...
Call Trace:
[<90000000047a4828>] show_stack+0x48/0x1a0
[<9000000005b61874>] dump_stack_lvl+0x84/0xcc
[<90000000047f60ac>] __warn+0x8c/0x1e0
[<9000000005b0ab34>] report_bug+0x1b4/0x280
[<9000000005b63110>] do_bp+0x2d0/0x480
[<90000000047a2e20>] handle_bp+0x120/0x1c0
[<90000000048e3334>] rcu_cpu_starting+0x214/0x280
[<90000000047bd568>] tlb_init+0x248/0x528
[<90000000047a4c44>] per_cpu_trap_init+0x124/0x160
[<90000000047a19f4>] cpu_probe+0x494/0xa00
[<90000000047b551c>] start_secondary+0x3c/0xc0
[<9000000005b66134>] smpboot_entry+0x50/0x58

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-02-23 14:36:31 +08:00
Dave Airlie
72fa02fdf8 nouveau: add an ioctl to report vram usage
This reports the currently used vram allocations.

userspace using this has been proposed for nvk, but
it's a rather trivial uapi addition.

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2024-02-23 10:20:07 +10:00
Dave Airlie
3f4d8aac6e nouveau: add an ioctl to return vram bar size.
This returns the BAR resources size so userspace can make
decisions based on rebar support.

userspace using this has been proposed for nvk, but
it's a rather trivial uapi addition.

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2024-02-23 10:20:03 +10:00
Dave Airlie
1d492944d3 nouveau/gsp: add kconfig option to enable GSP paths by default
Turing and Ampere will continue to use the old paths by default,
but we should allow distros to decide what the policy is.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240214040632.661069-1-airlied@gmail.com
2024-02-23 10:00:41 +10:00
Dave Airlie
7c548869f5 UAPI Changes:
- Remove support for persistent exec_queues
 - Drop a reduntant sysfs newline printout
 
 Cross-subsystem Changes:
 
 Core Changes:
 
 Driver Changes:
 - A three-patch fix for a VM_BIND rebind optimization path
 - Fix a modpost warning on an xe KUNIT module
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Merge tag 'drm-xe-fixes-2024-02-22' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

UAPI Changes:
- Remove support for persistent exec_queues
- Drop a reduntant sysfs newline printout

Cross-subsystem Changes:

Core Changes:

Driver Changes:
- A three-patch fix for a VM_BIND rebind optimization path
- Fix a modpost warning on an xe KUNIT module

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

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZdcsNrxdWMMM417v@fedora
2024-02-23 09:45:23 +10:00
Dave Airlie
bfc7746a04 amd-drm-fixes-6.8-2024-02-22:
amdgpu:
 - Suspend/resume fixes
 - Backlight error fix
 - DCN 3.5 fixes
 - Misc fixes
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Merge tag 'amd-drm-fixes-6.8-2024-02-22' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.8-2024-02-22:

amdgpu:
- Suspend/resume fixes
- Backlight error fix
- DCN 3.5 fixes
- Misc fixes

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222195338.5809-1-alexander.deucher@amd.com
2024-02-23 08:37:07 +10:00
Dave Airlie
741922e7fb Merge tag 'drm-intel-fixes-2024-02-22' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fixup for TV mode

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZdcwT9kltvEgJZZE@jlahtine-mobl.ger.corp.intel.com
2024-02-23 08:30:21 +10:00
Dave Airlie
f581dbb34c A list handling fix and 64bit division on 32bit platform fix for the
drm/buddy allocator, a cast warning and an initialization fix for
 nouveau, a bridge handling fix for meson, an initialisation fix for
 ivpu, a SPARC build fix for fbdev, a double-free fix for ttm, and two
 fence handling fixes for syncobj.
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Merge tag 'drm-misc-fixes-2024-02-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A list handling fix and 64bit division on 32bit platform fix for the
drm/buddy allocator, a cast warning and an initialization fix for
nouveau, a bridge handling fix for meson, an initialisation fix for
ivpu, a SPARC build fix for fbdev, a double-free fix for ttm, and two
fence handling fixes for syncobj.

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

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/gl2antuifidtzn3dfm426p7xwh5fxj23behagwh26owfnosh2w@gqoa7vj5prnh
2024-02-23 08:09:50 +10:00
Linus Torvalds
ffd2cb6b71 block-6.8-2024-02-22
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Merge tag 'block-6.8-2024-02-22' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Mostly just fixlets for md, but also a sed-opal parsing fix"

* tag 'block-6.8-2024-02-22' of git://git.kernel.dk/linux:
  block: sed-opal: handle empty atoms when parsing response
  md: Don't suspend the array for interrupted reshape
  md: Don't register sync_thread for reshape directly
  md: Make sure md_do_sync() will set MD_RECOVERY_DONE
  md: Don't ignore read-only array in md_check_recovery()
  md: Don't ignore suspended array in md_check_recovery()
  md: Fix missing release of 'active_io' for flush
2024-02-22 11:57:30 -08:00
Linus Torvalds
4c36fbb46f iommufd for 6.8 rc
- Fix dirty tracking bitmap collection when using reporting bitmaps that
   are not neatly aligned to u64's or match the IO page table radix tree
   layout.
 
 - Add self tests to cover the cases that were found to be broken.
 
 - Add missing enforcement of invalidation type in the uapi.
 
 - Fix selftest config generation
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd fixes from Jason Gunthorpe:

 - Fix dirty tracking bitmap collection when using reporting bitmaps
   that are not neatly aligned to u64's or match the IO page table radix
   tree layout.

 - Add self tests to cover the cases that were found to be broken.

 - Add missing enforcement of invalidation type in the uapi.

 - Fix selftest config generation

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
  selftests/iommu: fix the config fragment
  iommufd: Reject non-zero data_type if no data_len is provided
  iommufd/iova_bitmap: Consider page offset for the pages to be pinned
  iommufd/selftest: Add mock IO hugepages tests
  iommufd/selftest: Hugepage mock domain support
  iommufd/selftest: Refactor mock_domain_read_and_clear_dirty()
  iommufd/selftest: Refactor dirty bitmap tests
  iommufd/iova_bitmap: Handle recording beyond the mapped pages
  iommufd/selftest: Test u64 unaligned bitmaps
  iommufd/iova_bitmap: Switch iova_bitmap::bitmap to an u8 array
  iommufd/iova_bitmap: Bounds check mapped::pages access
2024-02-22 11:53:09 -08:00
Linus Torvalds
c7138f7a35 platform-drivers-x86 for v6.8-3
Highlights:
  -  Regression fixes:
     -  Fix INT0002 vGPIO events no longer working after 6.8 ACPI SCI changes
     -  AMD-PMF: Fix laptops (e.g. Framework 13 AMD) hanging on suspend
     -  x86-android-tablets: Fix touchscreen no longer working on Lenovo Yogabook
     -  x86-android-tablets: Fix serdev instantiation regression
     -  intel-vbtn: Fix ThinkPad X1 Tablet Gen2 no longer suspending
  -  Bug fixes
     -  think-lmi: Fix changing BIOS settings on Lenovo workstations
     -  touchscreen_dmi: Fix Hi8 Air touchscreen data sometimes missing
     -  AMD-PMF: Fix Smart PC support not working after suspend/resume
  -  Other misc. small fixes
 
 The following is an automated git shortlog grouped by driver:
 
 Add new get_serdev_controller() helper:
  -  Add new get_serdev_controller() helper
 
 intel:
  -  int0002_vgpio: Pass IRQF_ONESHOT to request_irq()
 
 intel-vbtn:
  -  Stop calling "VBDL" from notify_handler
 
 platform/x86/amd/pmf:
  -  Fix a potential race with policy binary sideload
  -  Fixup error handling for amd_pmf_init_smart_pc()
  -  Add debugging message for missing policy data
  -  Fix a suspend hang on Framework 13
  -  Fix TEE enact command failure after suspend and resume
  -  Remove smart_pc_status enum
 
 think-lmi:
  -  Fix password opcode ordering for workstations
 
 thinkpad_acpi:
  -  Only update profile if successfully converted
 
 touchscreen_dmi:
  -  Consolidate Goodix upside-down touchscreen data
  -  Allow partial (prefix) matches for ACPI names
 
 x86-android-tablets:
  -  Fix acer_b1_750_goodix_gpios name
  -  Fix serdev instantiation no longer working
  -  Fix keyboard touchscreen on Lenovo Yogabook1 X90
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Merge tag 'platform-drivers-x86-v6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "Regression fixes:

   - Fix INT0002 vGPIO events no longer working after 6.8 ACPI SCI
     changes

   - AMD-PMF: Fix laptops (e.g. Framework 13 AMD) hanging on suspend

   - x86-android-tablets: Fix touchscreen no longer working on Lenovo
     Yogabook

   - x86-android-tablets: Fix serdev instantiation regression

   - intel-vbtn: Fix ThinkPad X1 Tablet Gen2 no longer suspending

  Bug fixes:

   - think-lmi: Fix changing BIOS settings on Lenovo workstations

   - touchscreen_dmi: Fix Hi8 Air touchscreen data sometimes missing

   - AMD-PMF: Fix Smart PC support not working after suspend/resume

  Other misc small fixes"

* tag 'platform-drivers-x86-v6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: thinkpad_acpi: Only update profile if successfully converted
  platform/x86: intel-vbtn: Stop calling "VBDL" from notify_handler
  platform/x86: x86-android-tablets: Fix acer_b1_750_goodix_gpios name
  platform/x86: x86-android-tablets: Fix serdev instantiation no longer working
  platform/x86: Add new get_serdev_controller() helper
  platform/x86: x86-android-tablets: Fix keyboard touchscreen on Lenovo Yogabook1 X90
  platform/x86/amd/pmf: Fix a potential race with policy binary sideload
  platform/x86/amd/pmf: Fixup error handling for amd_pmf_init_smart_pc()
  platform/x86/amd/pmf: Add debugging message for missing policy data
  platform/x86/amd/pmf: Fix a suspend hang on Framework 13
  platform/x86/amd/pmf: Fix TEE enact command failure after suspend and resume
  platform/x86/amd/pmf: Remove smart_pc_status enum
  platform/x86: touchscreen_dmi: Consolidate Goodix upside-down touchscreen data
  platform/x86: touchscreen_dmi: Allow partial (prefix) matches for ACPI names
  platform/x86: intel: int0002_vgpio: Pass IRQF_ONESHOT to request_irq()
  platform/x86: think-lmi: Fix password opcode ordering for workstations
2024-02-22 11:47:07 -08:00
Linus Torvalds
88953761b9 Here's some Samsung clk driver fixes I've been sitting on for far too
long. They fix the bindings and clk driver for the Google GS101 SoC.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "Here are some Samsung clk driver fixes I've been sitting on for far
  too long.

  They fix the bindings and clk driver for the Google GS101 SoC"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: samsung: clk-gs101: comply with the new dt cmu_misc clock names
  dt-bindings: clock: gs101: rename cmu_misc clock-names
2024-02-22 11:44:20 -08:00
Linus Torvalds
1c892cdd8f vfs-6.8-rc6.fixes
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Merge tag 'vfs-6.8-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull vfs fixes from Christian Brauner:

 - Fix a memory leak in cachefiles

 - Restrict aio cancellations to I/O submitted through the aio
   interfaces as this is otherwise causing issues for I/O submitted
   via io_uring

 - Increase buffer for afs volume status to avoid overflow

 - Fix a missing zero-length check in unbuffered writes in the
   netfs library. If generic_write_checks() returns zero make
   netfs_unbuffered_write_iter() return right away

 - Prevent a leak in i_dio_count caused by netfs_begin_read() operating
   past i_size. It will return early and leave i_dio_count incremented

 - Account for ipv4 addresses as well as ipv6 addresses when processing
   incoming callbacks in afs

* tag 'vfs-6.8-rc6.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio
  afs: Increase buffer size in afs_update_volume_status()
  afs: Fix ignored callbacks over ipv4
  cachefiles: fix memory leak in cachefiles_add_cache()
  netfs: Fix missing zero-length check in unbuffered write
  netfs: Fix i_dio_count leak on DIO read past i_size
2024-02-22 10:06:29 -08:00
Linus Torvalds
6714ebb922 Including fixes from bpf and netfilter.
Current release - regressions:
 
   - af_unix: fix another unix GC hangup
 
 Previous releases - regressions:
 
   - core: fix a possible AF_UNIX deadlock
 
   - bpf: fix NULL pointer dereference in sk_psock_verdict_data_ready()
 
   - netfilter: nft_flow_offload: release dst in case direct xmit path is used
 
   - bridge: switchdev: ensure MDB events are delivered exactly once
 
   - l2tp: pass correct message length to ip6_append_data
 
   - dccp/tcp: unhash sk from ehash for tb2 alloc failure after check_estalblished()
 
   - tls: fixes for record type handling with PEEK
 
   - devlink: fix possible use-after-free and memory leaks in devlink_init()
 
 Previous releases - always broken:
 
   - bpf: fix an oops when attempting to read the vsyscall
   	 page through bpf_probe_read_kernel
 
   - sched: act_mirred: use the backlog for mirred ingress
 
   - netfilter: nft_flow_offload: fix dst refcount underflow
 
   - ipv6: sr: fix possible use-after-free and null-ptr-deref
 
   - mptcp: fix several data races
 
   - phonet: take correct lock to peek at the RX queue
 
 Misc:
 
   - handful of fixes and reliability improvements for selftests
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.8.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from bpf and netfilter.

  Current release - regressions:

   - af_unix: fix another unix GC hangup

  Previous releases - regressions:

   - core: fix a possible AF_UNIX deadlock

   - bpf: fix NULL pointer dereference in sk_psock_verdict_data_ready()

   - netfilter: nft_flow_offload: release dst in case direct xmit path
     is used

   - bridge: switchdev: ensure MDB events are delivered exactly once

   - l2tp: pass correct message length to ip6_append_data

   - dccp/tcp: unhash sk from ehash for tb2 alloc failure after
     check_estalblished()

   - tls: fixes for record type handling with PEEK

   - devlink: fix possible use-after-free and memory leaks in
     devlink_init()

  Previous releases - always broken:

   - bpf: fix an oops when attempting to read the vsyscall page through
     bpf_probe_read_kernel

   - sched: act_mirred: use the backlog for mirred ingress

   - netfilter: nft_flow_offload: fix dst refcount underflow

   - ipv6: sr: fix possible use-after-free and null-ptr-deref

   - mptcp: fix several data races

   - phonet: take correct lock to peek at the RX queue

  Misc:

   - handful of fixes and reliability improvements for selftests"

* tag 'net-6.8.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits)
  l2tp: pass correct message length to ip6_append_data
  net: phy: realtek: Fix rtl8211f_config_init() for RTL8211F(D)(I)-VD-CG PHY
  selftests: ioam: refactoring to align with the fix
  Fix write to cloned skb in ipv6_hop_ioam()
  phonet/pep: fix racy skb_queue_empty() use
  phonet: take correct lock to peek at the RX queue
  net: sparx5: Add spinlock for frame transmission from CPU
  net/sched: flower: Add lock protection when remove filter handle
  devlink: fix port dump cmd type
  net: stmmac: Fix EST offset for dwmac 5.10
  tools: ynl: don't leak mcast_groups on init error
  tools: ynl: make sure we always pass yarg to mnl_cb_run
  net: mctp: put sock on tag allocation failure
  netfilter: nf_tables: use kzalloc for hook allocation
  netfilter: nf_tables: register hooks last when adding new chain/flowtable
  netfilter: nft_flow_offload: release dst in case direct xmit path is used
  netfilter: nft_flow_offload: reset dst in route object after setting up flow
  netfilter: nf_tables: set dormant flag on hook register failure
  selftests: tls: add test for peeking past a record of a different type
  selftests: tls: add test for merging of same-type control messages
  ...
2024-02-22 09:57:58 -08:00
Ma Jun
bbfaf2aea7 drm/amdgpu: Fix the runtime resume failure issue
Don't set power state flag when system enter runtime suspend,
or it may cause runtime resume failure issue.

Fixes: 3a9626c816 ("drm/amd: Stop evicting resources on APUs in suspend")
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-02-22 12:28:27 -05:00
Melissa Wen
9671761792 drm/amd/display: fix null-pointer dereference on edid reading
Use i2c adapter when there isn't aux_mode in dc_link to fix a
null-pointer derefence that happens when running
igt@kms_force_connector_basic in a system with DCN2.1 and HDMI connector
detected as below:

[  +0.178146] BUG: kernel NULL pointer dereference, address: 00000000000004c0
[  +0.000010] #PF: supervisor read access in kernel mode
[  +0.000005] #PF: error_code(0x0000) - not-present page
[  +0.000004] PGD 0 P4D 0
[  +0.000006] Oops: 0000 [#1] PREEMPT SMP NOPTI
[  +0.000006] CPU: 15 PID: 2368 Comm: kms_force_conne Not tainted 6.5.0-asdn+ #152
[  +0.000005] Hardware name: HP HP ENVY x360 Convertible 13-ay1xxx/8929, BIOS F.01 07/14/2021
[  +0.000004] RIP: 0010:i2c_transfer+0xd/0x100
[  +0.000011] Code: ea fc ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 55 53 <48> 8b 47 10 48 89 fb 48 83 38 00 0f 84 b3 00 00 00 83 3d 2f 80 16
[  +0.000004] RSP: 0018:ffff9c4f89c0fad0 EFLAGS: 00010246
[  +0.000005] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000080
[  +0.000003] RDX: 0000000000000002 RSI: ffff9c4f89c0fb20 RDI: 00000000000004b0
[  +0.000003] RBP: ffff9c4f89c0fb80 R08: 0000000000000080 R09: ffff8d8e0b15b980
[  +0.000003] R10: 00000000000380e0 R11: 0000000000000000 R12: 0000000000000080
[  +0.000002] R13: 0000000000000002 R14: ffff9c4f89c0fb0e R15: ffff9c4f89c0fb0f
[  +0.000004] FS:  00007f9ad2176c40(0000) GS:ffff8d90fe9c0000(0000) knlGS:0000000000000000
[  +0.000003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0.000004] CR2: 00000000000004c0 CR3: 0000000121bc4000 CR4: 0000000000750ee0
[  +0.000003] PKRU: 55555554
[  +0.000003] Call Trace:
[  +0.000006]  <TASK>
[  +0.000006]  ? __die+0x23/0x70
[  +0.000011]  ? page_fault_oops+0x17d/0x4c0
[  +0.000008]  ? preempt_count_add+0x6e/0xa0
[  +0.000008]  ? srso_alias_return_thunk+0x5/0x7f
[  +0.000011]  ? exc_page_fault+0x7f/0x180
[  +0.000009]  ? asm_exc_page_fault+0x26/0x30
[  +0.000013]  ? i2c_transfer+0xd/0x100
[  +0.000010]  drm_do_probe_ddc_edid+0xc2/0x140 [drm]
[  +0.000067]  ? srso_alias_return_thunk+0x5/0x7f
[  +0.000006]  ? _drm_do_get_edid+0x97/0x3c0 [drm]
[  +0.000043]  ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm]
[  +0.000042]  edid_block_read+0x3b/0xd0 [drm]
[  +0.000043]  _drm_do_get_edid+0xb6/0x3c0 [drm]
[  +0.000041]  ? __pfx_drm_do_probe_ddc_edid+0x10/0x10 [drm]
[  +0.000043]  drm_edid_read_custom+0x37/0xd0 [drm]
[  +0.000044]  amdgpu_dm_connector_mode_valid+0x129/0x1d0 [amdgpu]
[  +0.000153]  drm_connector_mode_valid+0x3b/0x60 [drm_kms_helper]
[  +0.000000]  __drm_helper_update_and_validate+0xfe/0x3c0 [drm_kms_helper]
[  +0.000000]  ? amdgpu_dm_connector_get_modes+0xb6/0x520 [amdgpu]
[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f
[  +0.000000]  drm_helper_probe_single_connector_modes+0x2ab/0x540 [drm_kms_helper]
[  +0.000000]  status_store+0xb2/0x1f0 [drm]
[  +0.000000]  kernfs_fop_write_iter+0x136/0x1d0
[  +0.000000]  vfs_write+0x24d/0x440
[  +0.000000]  ksys_write+0x6f/0xf0
[  +0.000000]  do_syscall_64+0x60/0xc0
[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f
[  +0.000000]  ? syscall_exit_to_user_mode+0x2b/0x40
[  +0.000000]  ? srso_alias_return_thunk+0x5/0x7f
[  +0.000000]  ? do_syscall_64+0x6c/0xc0
[  +0.000000]  ? do_syscall_64+0x6c/0xc0
[  +0.000000]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[  +0.000000] RIP: 0033:0x7f9ad46b4b00
[  +0.000000] Code: 40 00 48 8b 15 19 b3 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d e1 3a 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
[  +0.000000] RSP: 002b:00007ffcbd3bd6d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  +0.000000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ad46b4b00
[  +0.000000] RDX: 0000000000000002 RSI: 00007f9ad48a7417 RDI: 0000000000000009
[  +0.000000] RBP: 0000000000000002 R08: 0000000000000064 R09: 0000000000000000
[  +0.000000] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9ad48a7417
[  +0.000000] R13: 0000000000000009 R14: 00007ffcbd3bd760 R15: 0000000000000001
[  +0.000000]  </TASK>
[  +0.000000] Modules linked in: ctr ccm rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device cmac algif_hash algif_skcipher af_alg bnep btusb btrtl btbcm btintel btmtk bluetooth uvcvideo videobuf2_vmalloc sha3_generic videobuf2_memops uvc jitterentropy_rng videobuf2_v4l2 videodev drbg videobuf2_common ansi_cprng mc ecdh_generic ecc qrtr binfmt_misc hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_gyro_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf industrialio snd_ctl_led joydev hid_sensor_iio_common rtw89_8852ae rtw89_8852a rtw89_pci snd_hda_codec_realtek rtw89_core snd_hda_codec_generic intel_rapl_msr ledtrig_audio intel_rapl_common snd_hda_codec_hdmi mac80211 snd_hda_intel snd_intel_dspcfg kvm_amd snd_hda_codec snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma libarc4 snd_hwdep snd_soc_core kvm snd_hda_core cfg80211 snd_pci_acp6x snd_pcm nls_ascii snd_timer hp_wmi snd_pci_acp5x nls_cp437 snd_rn_pci_acp3x ucsi_acpi sparse_keymap ccp snd platform_profile snd_acp_config typec_ucsi irqbypass vfat sp5100_tco
[  +0.000000]  snd_soc_acpi fat rapl pcspkr wmi_bmof roles rfkill rng_core snd_pci_acp3x soundcore k10temp watchdog typec battery ac amd_pmc acpi_tad button hid_sensor_hub hid_multitouch evdev serio_raw msr parport_pc ppdev lp parport fuse loop efi_pstore configfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 btrfs blake2b_generic dm_crypt dm_mod efivarfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx libcrc32c crc32c_generic xor raid6_pq raid1 raid0 multipath linear md_mod amdgpu amdxcp i2c_algo_bit drm_ttm_helper ttm crc32_pclmul crc32c_intel drm_exec gpu_sched drm_suballoc_helper nvme ghash_clmulni_intel drm_buddy drm_display_helper sha512_ssse3 nvme_core ahci xhci_pci sha512_generic hid_generic xhci_hcd libahci rtsx_pci_sdmmc t10_pi i2c_hid_acpi drm_kms_helper i2c_hid mmc_core libata aesni_intel crc64_rocksoft_generic crypto_simd amd_sfh crc64_rocksoft scsi_mod usbcore cryptd crc_t10dif cec drm crct10dif_generic hid rtsx_pci crct10dif_pclmul scsi_common rc_core crc64 i2c_piix4
[  +0.000000]  usb_common crct10dif_common video wmi
[  +0.000000] CR2: 00000000000004c0
[  +0.000000] ---[ end trace 0000000000000000 ]---

Fixes: 0e859faf86 ("drm/amd/display: Remove unwanted drm edid references")
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:27:30 -05:00
Armin Wolf
bae6789357 drm/amd/display: Fix memory leak in dm_sw_fini()
After destroying dmub_srv, the memory associated with it is
not freed, causing a memory leak:

unreferenced object 0xffff896302b45800 (size 1024):
  comm "(udev-worker)", pid 222, jiffies 4294894636
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 6265fd77):
    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340
    [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]
    [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]
    [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]
    [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]
    [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]
    [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90
    [<ffffffff996918a3>] pci_device_probe+0xc3/0x230
    [<ffffffff99805872>] really_probe+0xe2/0x480
    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160
    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90
    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0
    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0
    [<ffffffff99804822>] bus_add_driver+0x112/0x210
    [<ffffffff99807245>] driver_register+0x55/0x100
    [<ffffffff990012d1>] do_one_initcall+0x41/0x300

Fix this by freeing dmub_srv after destroying it.

Fixes: 743b9786b1 ("drm/amd/display: Hook up the DMUB service in DM")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:26:59 -05:00
Swapnil Patel
27a6c49394 drm/amd/display: fix input states translation error for dcn35 & dcn351
[Why]
Currently there is an error while translating input clock sates into
output clock states. The highest fclk setting from output sates is
being dropped because of this error.

[How]
For dcn35 and dcn351, make output_states equal to input states.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Swapnil Patel <swapnil.patel@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:24:57 -05:00
Srinivasan Shanmugam
d2b48f340d drm/amd/display: Fix potential null pointer dereference in dc_dmub_srv
Fixes potential null pointer dereference warnings in the
dc_dmub_srv_cmd_list_queue_execute() and dc_dmub_srv_is_hw_pwr_up()
functions.

In both functions, the 'dc_dmub_srv' variable was being dereferenced
before it was checked for null. This could lead to a null pointer
dereference if 'dc_dmub_srv' is null. The fix is to check if
'dc_dmub_srv' is null before dereferencing it.

Thus moving the null checks for 'dc_dmub_srv' to the beginning of the
functions to ensure that 'dc_dmub_srv' is not null when it is
dereferenced.

Found by smatch & thus fixing the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:133 dc_dmub_srv_cmd_list_queue_execute() warn: variable dereferenced before check 'dc_dmub_srv' (see line 128)
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:1167 dc_dmub_srv_is_hw_pwr_up() warn: variable dereferenced before check 'dc_dmub_srv' (see line 1164)

Fixes: 028bac5834 ("drm/amd/display: decouple dmcub execution to reduce lock granularity")
Fixes: 65138eb72e ("drm/amd/display: Add DCN35 DMUB")
Cc: JinZe.Xu <jinze.xu@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Josip Pavic <josip.pavic@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Cc: Harry Wentland <Harry.Wentland@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>
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:23:40 -05:00
Linus Torvalds
efa80dcbb7 Tracing fix for v6.8:
- While working on the ring buffer I noticed that the counter used
   for knowing where the end of the data is on a sub-buffer was not
   a full "int" but just 20 bits. It was masked out to 0xfffff.
   With the new code that allows the user to change the size of the
   sub-buffer, it is theoretically possible to ask for a size
   bigger than 2^20. If that happens, unexpected results may
   occur as there's no code checking if the counter overflowed the
   20 bits of the write mask. There are other checks to make sure
   events fit in the sub-buffer, but if the sub-buffer itself is
   too big, that is not checked.
 
   Add a check in the resize of the sub-buffer to make sure that it
   never goes beyond the size of the counter that holds how much
   data is on it.
 -----BEGIN PGP SIGNATURE-----
 
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 b29kbWlzLm9yZwAKCRAp5XQQmuv6qjEIAQDpsvHqUFNoG5fkRlWr2U0hNl5M6zLI
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Merge tag 'trace-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fix from Steven Rostedt:

 - While working on the ring buffer I noticed that the counter used for
   knowing where the end of the data is on a sub-buffer was not a full
   "int" but just 20 bits. It was masked out to 0xfffff.

   With the new code that allows the user to change the size of the
   sub-buffer, it is theoretically possible to ask for a size bigger
   than 2^20. If that happens, unexpected results may occur as there's
   no code checking if the counter overflowed the 20 bits of the write
   mask. There are other checks to make sure events fit in the
   sub-buffer, but if the sub-buffer itself is too big, that is not
   checked.

   Add a check in the resize of the sub-buffer to make sure that it
   never goes beyond the size of the counter that holds how much data is
   on it.

* tag 'trace-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  ring-buffer: Do not let subbuf be bigger than write mask
2024-02-22 09:23:22 -08:00
Lewis Huang
4e73826089 drm/amd/display: Only allow dig mapping to pwrseq in new asic
[Why]
The old asic only have 1 pwrseq hw.
We don't need to map the diginst to pwrseq inst in old asic.

[How]
1. Only mapping dig to pwrseq for new asic.
2. Move mapping function into dcn specific panel control component

Cc: Stable <stable@vger.kernel.org> # v6.6+
Cc: Mario Limonciello <mario.limonciello@amd.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3122
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Lewis Huang <lewis.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:23:01 -05:00
Wayne Lin
22e1dc4b2f drm/amd/display: adjust few initialization order in dm
[Why]
Observe error message "Can't retrieve aconnector in hpd_rx_irq_offload_work"
when boot up with a mst tbt4 dock connected. After analyzing, there are few
parts needed to be adjusted:

1. hpd_rx_offload_wq[].aconnector is not initialzed before the dmub outbox
hpd_irq handler get registered which causes the error message.

2. registeration of hpd and hpd_rx_irq event for usb4 dp tunneling is not
aligned with legacy interface sequence

[How]
Put DMUB_NOTIFICATION_HPD and DMUB_NOTIFICATION_HPD_IRQ handler
registration into register_hpd_handlers() to align other interfaces and
get hpd_rx_offload_wq[].aconnector initialized earlier than that.

Leave DMUB_NOTIFICATION_AUX_REPLY registered as it was since we need that
while calling dc_link_detect(). USB4 connection status will be proactively
detected by dc_link_detect_connection_type() in amdgpu_dm_initialize_drm_device()

Cc: Stable <stable@vger.kernel.org>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 12:22:36 -05:00