In 'mgmt_mesh_foreach()', iterate over mesh commands
rather than generic mgmt ones. Compile tested only.
Fixes: b338d91703 ("Bluetooth: Implement support for Mesh")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use skb_pull() and skb_pull_data() to safely parse QCA dump packets.
This avoids direct pointer math on skb->data, which could lead to
invalid access if the packet is shorter than expected.
Fixes: 20981ce2d5 ("Bluetooth: btusb: Add WCN6855 devcoredump support")
Signed-off-by: En-Wei Wu <en-wei.wu@canonical.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
l2cap_check_enc_key_size shall check the security level of the
l2cap_chan rather than the hci_conn since for incoming connection
request that may be different as hci_conn may already been
encrypted using a different security level.
Fixes: 522e9ed157 ("Bluetooth: l2cap: Check encryption key size on incoming connection")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cross-merge networking fixes after downstream PR (net-6.15-rc8).
Conflicts:
80f2ab46c2 ("irdma: free iwdev->rf after removing MSI-X")
4bcc063939 ("ice, irdma: fix an off by one in error handling code")
c24a65b6a2 ("iidc/ice/irdma: Update IDC to support multiple consumers")
https://lore.kernel.org/20250513130630.280ee6c5@canb.auug.org.au
No extra adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When setting up dirty page tracking at the vfio IOMMU backend for
device migration, if an error is encountered allocating a tracking
bitmap, the unwind loop fails to free previously allocated tracking
bitmaps. This occurs because the wrong loop index is used to
generate the tracking object. This results in unintended memory
usage for the life of the current DMA mappings where bitmaps were
successfully allocated.
Use the correct loop index to derive the tracking object for
freeing during unwind.
Fixes: d6a4c18566 ("vfio iommu: Implementation of ioctl for dirty pages tracking")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Link: https://lore.kernel.org/r/20250521034647.2877-1-lirongqing@baidu.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Introduce SKIP_LLVM makefile variable that allows to avoid using llvm
dependencies when building BPF selftests. This is different from
existing feature-llvm, as the latter is a result of automatic detection
and should not be set by user explicitly.
Avoiding llvm dependencies could be useful for environments that do not
have them, given that as of now llvm dependencies are required only by
jit_disasm_helpers.c.
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250522013813.125428-1-mykyta.yatsenko5@gmail.com
This pull request contains the interconnect changes for the 6.16-rc1
merge window. The core and driver changes are listed below.
Core changes:
- Add support for dynamic id allocation, that allows creating
multiple instances of the same provider
Driver changes:
- Add driver for the EPSS L3 instances on SA8775P SoC
- Add QoS support for SM8650 SoC
- Add some missing nodes for SM8650
- Misc dt-binding style and indentation fixes
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Merge tag 'icc-6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Georgi writes:
interconnect changes for 6.16
This pull request contains the interconnect changes for the 6.16-rc1
merge window. The core and driver changes are listed below.
Core changes:
- Add support for dynamic id allocation, that allows creating
multiple instances of the same provider
Driver changes:
- Add driver for the EPSS L3 instances on SA8775P SoC
- Add QoS support for SM8650 SoC
- Add some missing nodes for SM8650
- Misc dt-binding style and indentation fixes
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
interconnect: qcom: sm8650: remove regmap config for mc_virt & clk_virt
interconnect: qcom: sm8650: add the MASTER_APSS_NOC
dt-bindings: interconnect: sm8650: document the MASTER_APSS_NOC
interconnect: qcom: sm8650: enable QoS configuration
dt-bindings: interconnect: Correct indentation and style in DTS example
interconnect: qcom: sa8775p: Add dynamic icc node id support
interconnect: qcom: icc-rpmh: Add dynamic icc node id support
interconnect: qcom: Add multidev EPSS L3 support
interconnect: core: Add dynamic id allocation support
dt-bindings: interconnect: Add EPSS L3 compatible for SA8775P
subsystems and follow-ups for the recent netdev locking changes,
anyhow there are no known pending regressions.
Including fixes from bluetooth, ipsec and CAN.
Current release - regressions:
- eth: team: grab team lock during team_change_rx_flags
- eth: bnxt_en: fix netdev locking in ULP IRQ functions
Current release - new code bugs:
- xfrm: ipcomp: fix truesize computation on receive
- eth: airoha: fix page recycling in airoha_qdma_rx_process()
Previous releases - regressions:
- sched: hfsc: fix qlen accounting bug when using peek in hfsc_enqueue()
- mr: consolidate the ipmr_can_free_table() checks.
- bridge: netfilter: fix forwarding of fragmented packets
- xsk: bring back busy polling support in XDP_COPY
- can:
- add missing rcu read protection for procfs content
- kvaser_pciefd: force IRQ edge in case of nested IRQ
Previous releases - always broken:
- xfrm: espintcp: remove encap socket caching to avoid reference leak
- bluetooth: use skb_pull to avoid unsafe access in QCA dump handling
- eth: idpf:
- fix null-ptr-deref in idpf_features_check
- fix idpf_vport_splitq_napi_poll()
- eth: hibmcge: fix wrong ndo.open() after reset fail issue
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"This is somewhat larger than what I hoped for, with a few PRs from
subsystems and follow-ups for the recent netdev locking changes,
anyhow there are no known pending regressions.
Including fixes from bluetooth, ipsec and CAN.
Current release - regressions:
- eth: team: grab team lock during team_change_rx_flags
- eth: bnxt_en: fix netdev locking in ULP IRQ functions
Current release - new code bugs:
- xfrm: ipcomp: fix truesize computation on receive
- eth: airoha: fix page recycling in airoha_qdma_rx_process()
Previous releases - regressions:
- sched: hfsc: fix qlen accounting bug when using peek in
hfsc_enqueue()
- mr: consolidate the ipmr_can_free_table() checks.
- bridge: netfilter: fix forwarding of fragmented packets
- xsk: bring back busy polling support in XDP_COPY
- can:
- add missing rcu read protection for procfs content
- kvaser_pciefd: force IRQ edge in case of nested IRQ
Previous releases - always broken:
- xfrm: espintcp: remove encap socket caching to avoid reference leak
- bluetooth: use skb_pull to avoid unsafe access in QCA dump handling
- eth: idpf:
- fix null-ptr-deref in idpf_features_check
- fix idpf_vport_splitq_napi_poll()
- eth: hibmcge: fix wrong ndo.open() after reset fail issue"
* tag 'net-6.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (40 commits)
octeontx2-af: Fix APR entry mapping based on APR_LMT_CFG
octeontx2-af: Set LMT_ENA bit for APR table entries
net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf
selftests/tc-testing: Add an HFSC qlen accounting test
sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()
idpf: fix idpf_vport_splitq_napi_poll()
net: hibmcge: fix wrong ndo.open() after reset fail issue.
net: hibmcge: fix incorrect statistics update issue
xsk: Bring back busy polling support in XDP_COPY
can: slcan: allow reception of short error messages
net: lan743x: Restore SGMII CTRL register on resume
bnxt_en: Fix netdev locking in ULP IRQ functions
MAINTAINERS: Drop myself to reviewer for ravb driver
net: dwmac-sun8i: Use parsed internal PHY address instead of 1
net: ethernet: ti: am65-cpsw: Lower random mac address error print to info
can: kvaser_pciefd: Continue parsing DMA buf after dropped RX
can: kvaser_pciefd: Fix echo_skb race
can: kvaser_pciefd: Force IRQ edge in case of nested IRQ
idpf: fix null-ptr-deref in idpf_features_check
...
Tariq Toukan says:
====================
net/mlx5: Convert mlx5 to netdev instance locking
Cosmin Ratiu says:
mlx5 manages multiple netdevices, from basic Ethernet to Infiniband
netdevs. This patch series converts the driver to use netdev instance
locking for everything in preparation for TCP devmem Zero Copy.
Because mlx5 is tightly coupled with the ipoib driver, a series of
changes first happen in ipoib to allow it to work with mlx5 netdevs that
use instance locking:
IB/IPoIB: Enqueue separate work_structs for each flushed interface
IB/IPoIB: Replace vlan_rwsem with the netdev instance lock
IB/IPoIB: Allow using netdevs that require the instance lock
A small patch then avoids dropping RTNL during firmware update:
net/mlx5e: Don't drop RTNL during firmware flash
The main patch then converts all mlx5 netdevs to use instance locking:
net/mlx5e: Convert mlx5 netdevs to instance locking
====================
Link: https://patch.msgid.link/1747829342-1018757-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch convert mlx5 to use the new netdev instance lock in addition
to the pre-existing state_lock (and the RTNL).
mlx5e_priv.state_lock was already used throughout mlx5 to protect
against concurrent state modifications on the same netdev, usually in
addition to the RTNL. The new netdev instance lock will eventually
replace it, but for now, it is acquired in addition to the existing
locks in the order RTNL -> instance lock -> state_lock.
All three netdev types handled by mlx5 are converted to the new style of
locking, because they share a lot of code related to initializing
channels and dealing with NAPI, so it's better to convert all three
rather than introduce different assumptions deep in the call stack
depending on the type of device.
Because of the nature of the call graphs in mlx5, it wasn't possible to
incrementally convert parts of the driver to use the new lock, since
either all call paths into NAPI have to possess the new lock if the
*_locked variants are used, or none of them can have the lock.
One area which required extra care is the interaction between closing
channels and devlink health reporter tasks.
Previously, the recovery tasks were unconditionally acquiring the
RTNL, which could lead to deadlocks in these scenarios:
T1: mlx5e_close (== .ndo_stop(), has RTNL) -> mlx5e_close_locked
-> mlx5e_close_channels -> mlx5e_ptp_close
-> mlx5e_ptp_close_queues -> mlx5e_ptp_close_txqsqs
-> mlx5e_ptp_close_txqsq
-> cancel_work_sync(&ptpsq->report_unhealthy_work) waits for
T2: mlx5e_ptpsq_unhealthy_work -> mlx5e_reporter_tx_ptpsq_unhealthy
-> mlx5e_health_report -> devlink_health_report
-> devlink_health_reporter_recover
-> mlx5e_tx_reporter_ptpsq_unhealthy_recover which does:
rtnl_lock(); => Deadlock.
Another similar instance of this is:
T1: mlx5e_close (== .ndo_stop(), has RTNL) -> mlx5e_close_locked
-> mlx5e_close_channels -> mlx5e_ptp_close
-> mlx5e_ptp_close_queues -> mlx5e_ptp_close_txqsqs
-> mlx5e_ptp_close_txqsq
-> cancel_work_sync(&sq->recover_work) waits for
T2: mlx5e_tx_err_cqe_work -> mlx5e_reporter_tx_err_cqe
-> mlx5e_health_report -> devlink_health_report
-> devlink_health_reporter_recover
-> mlx5e_tx_reporter_err_cqe_recover which does:
rtnl_lock(); => Another deadlock.
Fix that by using the same pattern previously done in
mlx5e_tx_timeout_work, where the RTNL was repeatedly tried to be
acquired until either:
a) it is successfully acquired or
b) there's no need for the work to be done any more (channel is being
closed).
Now, for all three recovery tasks, the instance lock is repeatedly tried
to be acquired until successful or the channel/SQ is closed.
As a side-effect, drop the !test_bit(MLX5E_STATE_OPENED, &priv->state)
check from mlx5e_tx_timeout_work, it's weaker than
!test_bit(MLX5E_STATE_CHANNELS_ACTIVE, &priv->state) and unnecessary.
Future patches will introduce new call paths (from netdev queue
management ops) which can close channels (and call cancel_work_sync on
the recovery tasks) without the RTNL lock and only with the netdev
instance lock.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1747829342-1018757-6-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There's no explanation in the original commit of why that was done, but
presumably flashing takes a long time and holding RTNL for so long
blocks other interactions with the netdev layer.
However, the stack is moving towards netdev instance locking and
dropping and reacquiring RTNL in the context of flashing introduces
locking ordering issues: RTNL must be acquired before the netdev
instance lock and released after it.
This patch therefore takes the simpler approach by no longer dropping
and reacquiring the RTNL, as soon RTNL for ethtool will be removed,
leaving only the instance lock to protect against races.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1747829342-1018757-5-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After the last patch removing vlan_rwsem, it is an incremental step to
allow ipoib to work with netdevs that require the instance lock.
In several places, netdev_lock() is changed to netdev_lock_ops_to_full()
which takes care of not acquiring the lock again when the netdev is
already locked.
In ipoib_ib_tx_timeout_work() and __ipoib_ib_dev_flush() for HEAVY
flushes, the netdev lock is acquired/released. This is needed because
these functions end up calling .ndo_stop()/.ndo_open() on subinterfaces,
and the device may expect the netdev instance lock to be held.
ipoib_set_mode() now explicitly acquires ops lock while manipulating the
features, mtu and tx queues.
Finally, ipoib_napi_enable()/ipoib_napi_disable() now use the *_locked
variants of the napi_enable()/napi_disable() calls and optionally
acquire the netdev lock themselves depending on the dev they operate on.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1747829342-1018757-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
vlan_rwsem was added more than a decade ago to work around a deadlock
involving the original mutex being acquired twice, once from the wq.
Subsequent changes then tweaked it to partially protect access to
ipoib_dev_priv->child_intfs together with the RTNL. Flushing the wq
synchronously was also since then refactored to happen separately.
This semaphore unfortunately prevents updating ipoib to work with
devices that require the netdev lock, because of lock ordering issues
between RTNL, vlan_rwsem and the netdev instance locks of parent and
child devices.
To uncomplicate things, this commit replaces vlan_rwsem with the netdev
instance lock of the parent device. Both parent child_intfs list and the
children's list membership in it require holding the parent netdev
instance lock.
All call paths were carefully reviewed and no-longer-needed ASSERT_RTNL
calls were dropped. Some non-trivial changes:
- ipoib_match_gid_pkey_addr() now only acquires the instance lock and
iterates through child_intfs for the first level of recursion (the
parent), as it's not possible to have multiple levels of nested
subinterfaces.
- ipoib_open() and ipoib_stop() schedule tasks on the global workqueue
to open/stop child interfaces to avoid potentially acquiring nested
netdev instance locks. To avoid the device going away between the task
scheduling and execution, netdev_hold/netdev_put are used.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1747829342-1018757-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Previously, flushing a netdevice involved first flushing all child
devices from the flush task itself. That requires holding the lock that
protects the list for the entire duration of the flush.
This poses a problem when converting from vlan_rwsem to the netdev
instance lock (next patch), because holding the parent lock while
trying to acquire a child lock makes lockdep unhappy, rightfully.
Fix this by splitting a big flush task into individual flush tasks
(all are already created in their respective ipoib_dev_priv structs)
and defining a helper function to enqueue all of them while holding the
list lock.
In ipoib_set_mac, the function is not used and the task is enqueued
directly, because in the subsequent patches locking is changed and this
function may be called with the netdev instance lock held.
This is effectively a noop, the wq is single-threaded and ordered and
will execute the same flush operations in the same order as before.
Furthermore, there should be no new races because
ipoib_parent_unregister_pre() calls flush_workqueue() after stopping new
work generation to wait for pending work to complete. flush_workqueue()
waits for all currently enqueued work to finish before returning.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1747829342-1018757-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
portions when using hogs.
First patch hits into the gpiolib making gpiochip_line_is_valid()
NULL-tolerant.
Second patch fixes the actual problem.
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Merge tag 'pinctrl-v6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"This deals with a crash in the Qualcomm pin controller GPIO
parts when using hogs.
The first patch to gpiolib makes gpiochip_line_is_valid()
NULL-tolerant.
The second patch fixes the actual problem"
* tag 'pinctrl-v6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: switch to devm_register_sys_off_handler()
gpiolib: don't crash on enabling GPIO HOG pins
Add a helper to wrap OF-specific calls in drm_panel_add_follower() in
preparation for adding an ACPI equivalent in the future. No functional
changes.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250522100036.2529624-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The comment for the tracepoint io_uring_local_work_run refers to a field
"tctx" and a type "io_uring_ctx", neither of which exist. "tctx" looks
to mean "ctx" and "io_uring_ctx" should be "io_ring_ctx".
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Link: https://lore.kernel.org/r/20250522150451.2385652-1-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A collection of small fixes for 6.15 final. It became slightly a
higher amount than expected, but all look easy and safe to apply.
- A fix for PCM core race spotted by fuzzing
- ASoC topology fix for single DAI link
- UAF fix for ASoC SOF Intel HD-audio at reloading
- ASoC SOF Intel and Mediatek fixes
- Trivial HD-audio quirks as usual
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Merge tag 'sound-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes for 6.15 final. It became slightly a
higher amount than expected, but all look easy and safe to apply:
- A fix for PCM core race spotted by fuzzing
- ASoC topology fix for single DAI link
- UAF fix for ASoC SOF Intel HD-audio at reloading
- ASoC SOF Intel and Mediatek fixes
- Trivial HD-audio quirks as usual"
* tag 'sound-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Add new HP ZBook laptop with micmute led fixup
ALSA: hda/realtek: Add support for HP Agusta using CS35L41 HDA
ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7 14ASP10
ALSA: hda/realtek - restore auto-mute mode for Dell Chrome platform
ALSA: pcm: Fix race of buffer access at PCM OSS layer
ASoC: SOF: Intel: hda: Fix UAF when reloading module
ASoc: SOF: topology: connect DAI to a single DAI link
ASoC: SOF: Intel: hda-bus: Use PIO mode on ACE2+ platforms
ASoC: SOF: ipc4-pcm: Delay reporting is only supported for playback direction
ASoC: SOF: ipc4-control: Use SOF_CTRL_CMD_BINARY as numid for bytes_ext
ASoC: mediatek: mt8188-mt6359: Depend on MT6359_ACCDET set or disabled
ASoC: mediatek: mt8188-mt6359: select CONFIG_SND_SOC_MT6359_ACCDET
CoreSight self-hosted trace driver subsystem updates for Linux v6.16 includes:
- Clear CLAIM tags on device probe if self-hosted tags are set.
- Support for perf AUX pause/resume for CoreSight ETM PMU driver, with trace
collection at pause.
- Miscellaneous fixes for the subsystem
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: updates for Linux v6.16
CoreSight self-hosted trace driver subsystem updates for Linux v6.16 includes:
- Clear CLAIM tags on device probe if self-hosted tags are set.
- Support for perf AUX pause/resume for CoreSight ETM PMU driver, with trace
collection at pause.
- Miscellaneous fixes for the subsystem
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v6.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (27 commits)
coresight: prevent deactivate active config while enabling the config
coresight: holding cscfg_csdev_lock while removing cscfg from csdev
coresight/etm4: fix missing disable active config
coresight: etm4x: Fix timestamp bit field handling
coresight: tmc: fix failure to disable/enable ETF after reading
Documentation: coresight: Document AUX pause and resume
coresight: perf: Update buffer on AUX pause
coresight: tmc: Re-enable sink after buffer update
coresight: perf: Support AUX trace pause and resume
coresight: etm4x: Hook pause and resume callbacks
coresight: Introduce pause and resume APIs for source
coresight: etm4x: Extract the trace unit controlling
coresight: cti: Replace inclusion by struct fwnode_handle forward declaration
coresight: Disable MMIO logging for coresight stm driver
coresight: replicator: Fix panic for clearing claim tag
coresight: Add a KUnit test for coresight_find_default_sink()
coresight: Remove extern from function declarations
coresight: Remove inlines from static function definitions
coresight: Clear self hosted claim tag on probe
coresight: etm3x: Convert raw base pointer to struct coresight access
...
commit 68bfdc8dc0 ("drm/amd: Keep display off while going into S4")
attempted to keep displays off during the S4 sequence by not resuming
display IP. This however leads to hangs because DRM clients such as the
console can try to access registers and cause a hang.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4155
Fixes: 68bfdc8dc0 ("drm/amd: Keep display off while going into S4")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250522141328.115095-1-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
UBLK_F_AUTO_BUF_REG requires that the buffer registered automatically
is unregistered in same `io_ring_ctx`, so check it explicitly.
Document this requirement for UBLK_F_AUTO_BUF_REG.
Drop WARN_ON_ONCE() which is triggered from userspace code path.
Fixes: 99c1e4eb6a ("ublk: register buffer to local io_uring with provided buf index via UBLK_F_AUTO_BUF_REG")
Reported-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250522152043.399824-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add support to fetch compute partition related metrics in SMUv13.0.12 SOCs.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 81fc9ca25f since it
introduces incompatbility with older firmware
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
To unmap and free seq64 memory when drm node close to free vm, if there
is signal accepted, then taking vm lock failed and leaking seq64 va
mapping, and then dmesg has error log "still active bo inside vm".
Change to use uninterruptible lock fix the mapping leaking and no dmesg
error log.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Under specific embedded scenarios, we might still use DP interface
rather than eDP interface. Under such case, detection link training
is unnecessary.
Add a new dcdebugmask value that can be used to skip the detection LT
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Link: https://lore.kernel.org/amd-gfx/20250521063934.2111323-1-Wayne.Lin@amd.com/
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Match what is declared as DPP color caps with hw caps. DCN401 has MPC
shaper + 3D LUTs that are movable before and after blending (get from
plane or stream), but no DPP blend LUTs.
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Color gamut_remap state log may be not available for some hw versions,
so prevent null pointer dereference by checking if there is a function
to collect data for this hw version.
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
When amdgpu_ctx_mgr_fini() calls amdgpu_ctx_mgr_entity_fini() it contains
the exact same "context still alive" check as it will do next. Remove the
duplicated copy.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Function amdgpu_ctx_mgr_entity_fini() only has a single local caller so
lets make it local.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Don't enable BACO when in passthrough. PCI resets don't work
correctly when in BACO.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
xgmi_port_num interface reports external link number for port number. To
be consistent, use the external link number for reporting other XGMI
link data also.
v2: For invalid link number return -EINVAL (Kevin)
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Yang Wang <kevinyang.wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
"ENABLE" is currently misspelled in SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
"ENABLE" is currently misspelled in SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS
PS: checkpatch.pl is complaining about the presence of a space at the
start of drivers/gpu/drm/amd/include/atomfirmware.h line: 1716
This is propably because this file uses (two) spaces and not tabs.
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Adjust set_value function in hw_hpd.c file to have
prefix to help in ftrace, the name change from
'set_value' to 'dal_hw_hpd_set_value'
Signed-off-by: Leonardo da Silva Gomes <leonardodasigomes@gmail.com>
Co-developed-by: Derick Frias <derick.william.moraes@gmail.com>
Signed-off-by: Derick Frias <derick.william.moraes@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Adjust get_value function in hw_hpd.c file to have
prefix to help in ftrace, the name change from
'get_value' to 'dal_hw_hpd_get_value'
Signed-off-by: Leonardo da Silva Gomes <leonardodasigomes@gmail.com>
Co-developed-by: Derick Frias <derick.william.moraes@gmail.com>
Signed-off-by: Derick Frias <derick.william.moraes@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add support to fetch compute partition related metrics in SMUv13.0.6
SOCs.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add sysfs nodes to provide compute paritition specific data.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
