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On X Elite platform, the eDP PHY uses one more clock called ref.
The current X Elite devices supported upstream work fine without this
clock, because the boot firmware leaves this clock enabled. But we should
not rely on that. Also, even though this change breaks the ABI, it is
needed in order to make the driver disables this clock along with the
other ones, for a proper bring-down of the entire PHY.
So attach the this ref clock to the PHY.
Cc: stable@vger.kernel.org # v6.10
Fixes: 5d5607861350 ("dt-bindings: phy: qcom-edp: Add X1E80100 PHY compatibles")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://patch.msgid.link/20251224-phy-qcom-edp-add-missing-refclk-v5-1-3f45d349b5ac@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The fourth and sixth PCIe instances on Glymur are both Gen4 2-lane PHY.
So document the compatible.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251224-phy-qcom-pcie-add-glymur-v3-1-57396145bc22@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support for USB2 PHY found on SpacemiT K1 SoC.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Ze Huang <huang.ze@linux.dev>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Junzhong Pan <panjunzhong@linux.spacemit.com>
Link: https://patch.msgid.link/20251017-k1-usb2phy-v6-1-7cf9ea2477a1@linux.dev
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This commit updates the documentation to declare that RCU Tasks Trace
is implemented as a thin wrapper around SRCU-fast.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
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Now that RCU Tasks Trace has been re-implemented in terms of SRCU-fast,
the ->trc_ipi_to_cpu, ->trc_blkd_cpu, ->trc_blkd_node, ->trc_holdout_list,
and ->trc_reader_special task_struct fields are no longer used.
In addition, the rcu_tasks_trace_qs(), rcu_tasks_trace_qs_blkd(),
exit_tasks_rcu_finish_trace(), and rcu_spawn_tasks_trace_kthread(),
show_rcu_tasks_trace_gp_kthread(), rcu_tasks_trace_get_gp_data(),
rcu_tasks_trace_torture_stats_print(), and get_rcu_tasks_trace_gp_kthread()
functions and all the other functions that they invoke are no longer used.
Also, the TRC_NEED_QS and TRC_NEED_QS_CHECKED CPP macros are no longer used.
Neither are the rcu_tasks_trace_lazy_ms and rcu_task_ipi_delay rcupdate
module parameters and the TASKS_TRACE_RCU_READ_MB Kconfig option.
This commit therefore removes all of them.
[ paulmck: Apply Alexei Starovoitov feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
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The commit 8a2d9f00d has been updated to set its default value to "rt,3",
fixing the outdated default value in the F2FS documentation.
Signed-off-by: ZhaoYueNan <amktiao030215@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Document DMA_ATTR_CPU_CACHE_CLEAN as implemented in the
previous patch.
Message-ID: <0720b4be31c1b7a38edca67fd0c97983d2a56936.1767601130.git.mst@redhat.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Document the __dma_from_device_group_begin()/end() annotations.
Message-ID: <01ea88055ded4d70cac70ba557680fd5fa7d9ff5.1767601130.git.mst@redhat.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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LWT_SEG6LOCAL no longer supports test_run starting from v6.11
so remove it from the list of program types supported by BPF_PROG_RUN.
Add TRACING and NETFILTER program types to reflect the
current set of types that implement test_run.
Signed-off-by: SungRock Jung <tjdfkr2421@gmail.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20251221070041.26592-1-tjdfkr2421@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Explains the GPIO controller support with emphasis on the mask
depending on which GPs are exposed.
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Explains the IIO Events support.
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Explains the IIO Trigger support and timings involved.
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This adds a new page to document how to use the ad4062 ADC driver.
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add dt-bindings for AD4062 family, devices AD4060/AD4062, low-power with
monitor capabilities SAR ADCs. Each variant of the family differs in
resolution. The device contains two outputs (gp0, gp1). The outputs can
be configured for range of options, such as threshold and data ready.
The device uses a 2-wire I3C interface.
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add the board FRDM-IMX91 in the binding document.
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Francesco Valla <francesco@valla.it>
Tested-by: Francesco Valla <francesco@valla.it>
Signed-off-by: Joseph Guo <qijian.guo@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add the ST chip st33tphf2ei2c to the supported compatible strings of the
TPM TIS I2C schema. The chip is compliant with the TCG PC Client TPM
Profile specification.
For reference, a databrief is available at:
https://www.st.com/resource/en/data_brief/st33tphf2ei2c.pdf
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The child node name in use by .dts files and the driver is
"legacy-interrupt-controller", not "interrupt-controller".
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://patch.msgid.link/20251215212456.3317558-1-robh@kernel.org
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Add binding documentation for the Apalis iMX8QP SoM mated with Apalis
Ixora and Apalis Evaluation board.
Apalis iMX8QP is a variant of the Apalis iMX8QM, using an NXP i.MX8QP
SoC instead of the i.MX8QM. The two SoCs are pin to pin compatible, with
the i.MX8QP being a lower end variant, with a slower GPU and one Cortex
A72 core instead of two.
The two Apalis SoMs variants share the same schematics and PCB, and the
iMX8QP variant exists only on revision V1.1 of board.
Link: https://www.nxp.com/products/i.MX8
Link: https://www.toradex.com/computer-on-modules/apalis-arm-family/nxp-imx-8
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add DT compatible string for NXP i.MX952 EVK board.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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ifconfig is a legacy tool and no longer installed by default on many
modern distributions. Update the documentation to reference ip from
iproute2 instead.
No functional change.
Signed-off-by: Jaime Saguillo Revilla <jaime.saguillo@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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of_drm_find_bridge() is deprecated, but converting some users is very
complex and should be reasonably doable only after the DRM panel bridge
lifetime rework. Add a TODO to track this.
Suggested-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/dri-devel/20250319-stylish-lime-mongoose-0a18ad@houat/
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-3-b5165fab8058@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
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Add DT compatible string for NXP i.MX93 11x11 FRDM board.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The GPC power controller is an interrupt controllers and can be referenced
in interrupt-map properties, e.g. PCIe controller, thus the node should
have address-cells property.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The compatibles should include the SoM compatible, this board is based
on the Ka-Ro TX8P-ML81 SoM, so add it to allow using shared code in the
bootloader which uses upstream Linux devicetrees as a base.
Also add the hardware revision to the board compatible to handle
revision specific quirks in the bootloader/userspace.
This is a breaking change, but it is early enough that it can be
corrected without causing any issues.
Fixes: 24e67d28ef95 ("dt-bindings: arm: fsl: Add GOcontroll Moduline Display")
Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Fix subject-verb agreement for "has a requirements" as well as
"neither...or" conjunction mistake. And convert "Message Signalled
Interrupts" to "Message Signaled Interrupts" to match the PCIe spec.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/1766713528-173281-1-git-send-email-shawn.lin@rock-chips.com
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If you force-disable mitigations on the kernel cmdline, for SPEC_STORE_BYPASS
this ends up with the prctl returning -ENXIO, but contrary to the current docs
for the other controls it returns -EPERM. Fix that.
Note that this return value should probably be considered a bug. But, making
the behaviour consistent with the current docs seems more likely to break
existing users than help anyone out in practice, so just "fix" it by
specifying it as correct.
Since this is getting more wordy and confusing, also be more explicit about
"control is not possible" be mentioning the boot configuration, to better
distinguish this case conceptually from the FORCE_DISABLE failure mode.
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20251111-b4-prctl-docs-2-v2-1-bc9d14ec9662@google.com
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Add device tree compatible string for the i.MX8MP FRDM board.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Rogerio Pimentel <rpimentel.silva@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The sample values for `family` and `machine` were swapped relative to
what the driver actually does, and doesn't match the field description.
Fixes: da5a70f3519f ("Documentation: add information for new sysfs soc bus functionality")
Reviewed-by: Lee Jones <lee@kernel.org>
Signed-off-by: Matthew Maurer <mmaurer@google.com>
Link: https://patch.msgid.link/20251226-soc-bindings-v4-2-2c2fac08f820@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Kaanapali introduces changes in DSP IOVA layout and CDSP DMA addressing
that differ from previous SoCs. The SID field moves within the physical
address, and CDSP now supports a wider DMA range, requiring updated
sid_pos and DMA mask handling in the driver.
Signed-off-by: Kumari Pallavi <kumari.pallavi@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251226070534.602021-2-kumari.pallavi@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When I tried to clean up the driver a bit, Arnd noted:
> According to thinkwiki.de, the 3780i modem was only used in a
> couple of Thinkpad models that are now over 25 years old, using
> Pentium II processors, and they all have a physical RS232 port
> that can be used to connect an external modem instead.
>
> Maybe we can just retire this driver?
So instead of the clean up, drop the driver altogether.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/all/b8834e5d-fdde-4b1a-8757-288dddc507a9@app.fastmail.com/
Link: https://patch.msgid.link/20251124103952.995229-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add two mainboards for the TQ-Systems TQMLS1028A SoM, based on the NXP
Layerscape LS1028A.
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Paul Walmsley:
"Nothing exotic here; these are the cleanup and new ISA extension
probing patches (not including CFI):
- Add probing and userspace reporting support for the standard RISC-V
ISA extensions Zilsd and Zclsd, which implement load/store dual
instructions on RV32
- Abstract the register saving code in setup_sigcontext() so it can
be used for stateful RISC-V ISA extensions beyond the vector
extension
- Add the SBI extension ID and some initial data structure
definitions for the RISC-V standard SBI debug trigger extension
- Clean up some code slightly: change some page table functions to
avoid atomic operations oinn !SMP and to avoid unnecessary casts to
atomic_long_t; and use the existing RISCV_FULL_BARRIER macro in
place of some open-coded 'fence rw,rw' instructions"
* tag 'riscv-for-linus-6.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Add SBI debug trigger extension and function ids
riscv/atomic.h: use RISCV_FULL_BARRIER in _arch_atomic* function.
riscv: hwprobe: export Zilsd and Zclsd ISA extensions
riscv: add ISA extension parsing for Zilsd and Zclsd
dt-bindings: riscv: add Zilsd and Zclsd extension descriptions
riscv: mm: use xchg() on non-atomic_long_t variables, not atomic_long_xchg()
riscv: mm: ptep_get_and_clear(): avoid atomic ops when !CONFIG_SMP
riscv: mm: pmdp_huge_get_and_clear(): avoid atomic ops when !CONFIG_SMP
riscv: signal: abstract header saving for setup_sigcontext
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Add binding for the OTP controller found on Google GS101.
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://patch.msgid.link/20251222-gs101-chipid-v4-1-aa8e20ce7bb3@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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This is the device tree schema for iio driver for Microchip
MCP47F(E/V)B(0/1/2)1, MCP47F(E/V)B(0/1/2)2, MCP47F(E/V)B(0/1/2)4 and
MCP47F(E/V)B(0/1/2)8 series of buffered voltage output Digital-to-Analog
Converters with nonvolatile or volatile memory and an I2C Interface.
The families support up to 8 output channels.
The devices can be 8-bit, 10-bit and 12-bit.
Signed-off-by: Ariana Lazar <ariana.lazar@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
[airlied: fix guc submit double definition]
UAPI Changes:
- Multi-Queue support (Niranjana)
- Add DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE (Brost)
- Add NO_COMPRESSION BO flag and query capability (Sanjay)
- Add gt_id to struct drm_xe_oa_unit (Ashutosh)
- Expose MERT OA unit (Ashutosh)
- Sysfs Survivability refactor (Riana)
Cross-subsystem Changes:
- VFIO: Add device specific vfio_pci driver variant for Intel graphics (Winiarski)
Driver Changes:
- MAINTAINERS update (Lucas -> Matt)
- Add helper to query compression enable status (Xin)
- Xe_VM fixes and updates (Shuicheng, Himal)
- Documentation fixes (Winiarski, Swaraj, Niranjana)
- Kunit fix (Roper)
- Fix potential leaks, uaf, null derref, and oversized
allocations (Shuicheng, Sanjay, Mika, Tapani)
- Other minor fixes like kbuild duplication and sysfs_emit (Shuicheng, Madhur)
- Handle msix vector0 interrupt (Venkata)
- Scope-based forcewake and runtime PM (Roper, Raag)
- GuC/HuC related fixes and refactors (Lucas, Zhanjun, Brost, Julia, Wajdeczko)
- Fix conversion from clock ticks to milliseconds (Harish)
- SRIOV PF PF: Add support for MERT (Lukasz)
- Enable SR-IOV VF migration and other SRIOV updates (Winiarski,
Satya, Brost, Wajdeczko, Piotr, Tomasz, Daniele)
- Optimize runtime suspend/resume and other PM improvements (Raag)
- Some W/a additions and updates (Bala, Harish, Roper)
- Use for_each_tlb_inval() to calculate invalidation fences (Roper)
- Fix VFIO link error (Arnd)
- Fix ix drm_gpusvm_init() arguments (Arnd)
- Other OA refactor (Ashutosh)
- Refactor PAT and expose debugfs (Xin)
- Enable Indirect Ring State for xe3p_xpc (Niranjana)
- MEI interrupt fix (Junxiao)
- Add stats for mode switching on hw_engine_group (Francois)
- DMA-Buf related changes (Thomas)
- Multi Queue feature support (Niranjana)
- Enable I2C controller for Crescent Island (Raag)
- Enable NVM for Crescent Island (Sasha)
- Increase TDF timeout (Jagmeet)
- Restore engine registers before restarting schedulers after GT reset (Jan)
- Page Reclamation Support for Xe3p Platforms (Brian, Brost, Oak)
- Fix performance when pagefaults and 3d/display share resources (Brost)
- More OA MERT work (Ashutosh)
- Fix return values (Dan)
- Some log level and messages improvements (Brost)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/aUXUhEgzs6hDLQuu@intel.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for 6.20:
Core Changes:
- dma-buf: Add tracepoints
- sched: Introduce new helpers
Driver Changes:
- amdxdna: Enable hardware context priority, Remove (obsolete and
never public) NPU2 Support, Race condition fix
- rockchip: Add RK3368 HDMI Support
- rz-du: Add RZ/V2H(P) MIPI-DSI Support
- panels:
- st7571: Introduce SPI support
- New panels: Sitronix ST7920, Samsung LTL106HL02, LG LH546WF1-ED01, HannStar HSD156JUW2
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20251219-arcane-quaint-skunk-e383b0@houat
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for 6.19:
UAPI Changes:
- panfrost: Add PANFROST_BO_SYNC ioctl
- panthor: Add PANTHOR_BO_SYNC ioctl
Core Changes:
- atomic: Add drm_device pointer to drm_private_obj
- bridge: Introduce drm_bridge_unplug, drm_bridge_enter, and
drm_bridge_exit
- dma-buf: Improve sg_table debugging
- dma-fence: Add new helpers, and use them when needed
- dp_mst: Avoid out-of-bounds access with VCPI==0
- gem: Reduce page table overhead with transparent huge pages
- panic: Report invalid panic modes
- sched: Add TODO entries
- ttm: Various cleanups
- vblank: Various refactoring and cleanups
- Kconfig cleanups
- Removed support for kdb
Driver Changes:
- amdxdna: Fix race conditions at suspend, Improve handling of zero
tail pointers, Fix cu_idx being overwritten during command setup
- ast: Support imported cursor buffers
-
- panthor: Enable timestamp propagation, Multiple improvements and
fixes to improve the overall robustness, notably of the scheduler.
- panels:
- panel-edp: Support for CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: fix mm conflict]
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20251212-spectacular-agama-of-abracadabra-aaef32@penduick
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Add squelch detect parameter update for synopsys eusb2 repeater. The
values (indicated in basis-points) depict a percentage change with
respect to the nominal value.
Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219173108.2119296-2-krishna.kurapati@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The USB phy can be part of a power domain, so we need to allow the
relevant property 'power-domains'.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20251224-power-domains-dt-bindings-phy-samsung-ufs-phy-v2-2-581089639982@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The UFS phy can be part of a power domain, so we need to allow the
relevant property 'power-domains'.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20251224-power-domains-dt-bindings-phy-samsung-ufs-phy-v2-1-581089639982@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Fix copy & paste errors by changing the references from 'ntb' to 'vntb'.
Fixes: 4ac8c8e52cd9 ("Documentation: PCI: Add specification for the PCI vNTB function device")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
[mani: squashed the patches and fixed more errors]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/b51c2a69ffdbfa2c359f5cf33f3ad2acc3db87e4.1762154911.git.baruch@tkos.co.il
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Add the compatible string for identifying a SMB2370 USB repeater device.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wesley Cheng <wesley.cheng@oss.qualcomm.com>
Link: https://patch.msgid.link/20251209-linux-next-12825-v8-4-42133596bda0@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add the Glymur compatible to the M31 eUSB2 PHY, and use the SM8750 as
the fallback.
Signed-off-by: Wesley Cheng <wesley.cheng@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251209-linux-next-12825-v8-3-42133596bda0@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The Glymur USB subsystem contains a multiport controller, which utilizes
two QMP UNI PHYs. Add the proper compatible string for the Glymur SoC, and
the required clkref clock name.
Signed-off-by: Wesley Cheng <wesley.cheng@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251209-linux-next-12825-v8-2-42133596bda0@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Define a Glymur compatible string for the QMP combo PHY, along with
resource requirements.
Signed-off-by: Wesley Cheng <wesley.cheng@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251209-linux-next-12825-v8-1-42133596bda0@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Josua Mayer requested to have OF nodes for each lane, so that he
(and other board developers) can further describe electrical parameters
individually.
For this use case, we need a container node to apply the already
existing Documentation/devicetree/bindings/phy/transmit-amplitude.yaml,
plus whatever other schemas might get standardized for TX equalization
parameters, polarity inversion etc.
When lane OF nodes exist, these are also PHY providers ("phys" phandles
can point directly to them). Compare that to the existing binding, where
the PHY provider is the top-level SerDes node, and the second cell in
the "phys" phandle specifies the lane index.
The new binding format overlaps over the old one without interfering,
but there is a caveat:
Existing device trees, which already have "phys = <&serdes1 0>" cannot
be converted to "phys = <&serdes_1_lane_a>", because in doing so, we
would break compatibility with old kernels which don't understand how to
translate the latter phandle to a PHY.
The transition to the new phandle format can be performed only after a
reasonable amount of time has elapsed after this schema change and the
corresponding driver change have been backported to stable kernels.
However, the aforementioned transition is not strictly necessary, and
the "hybrid" description (where individual lanes have their own OF node,
but are not pointed to by the "phys" phandle) can remain for an
indefinite amount of time, even if a little inelegant.
For newly introduced device trees, where there are no compatibility
concerns with old kernels to speak of, it is strongly recommended to use
the "phys = <&serdes_1_lane_a>" format. The same holds for phandles
towards lanes of LX2160A SerDes #3, which at the time of writing is not
yet described in fsl-lx2160a.dtsi, so there is no legacy to maintain.
To avoid the strange situation where we have a "phy" (SerDes node) ->
"phy" (lane node) hierarchy, let's rename the expected name of the
top-level node to "serdes", and update the example too. This has a
theoretical chance of causing regressions if bootloaders search for
hardcoded paths rather than using aliases, but to the best of my
knowledge, for LX2160A/LX2162A this is not the case.
Link: https://lore.kernel.org/lkml/02270f62-9334-400c-b7b9-7e6a44dbbfc9@solid-run.com/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251125114847.804961-2-vladimir.oltean@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The USBDRD31 5nm controller consists of Synopsys USB20 femptoPhy and
USB31 SSP+ combophy. Document support for the USB31 SSP+ phy found on
combophy of the ExynosAutov920 SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
Link: https://patch.msgid.link/20251124110453.2887437-6-pritam.sutar@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The USBDRD31 5nm controller consists of Synopsys USB2.0 femptophy and
USBSS combophy. Add-on USB20 femptophy is required to support USB20 data
rates along with USBSS phy. Document support for the USB2.0 femptophy
found on combophy of the this SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
Link: https://patch.msgid.link/20251124110453.2887437-4-pritam.sutar@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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