Semantically mst_stream_find_vcpi_slots_for_bpp() does not seem like the
place to make decisions about lane_count and port_clock. Move them to
the callers, and remove the limits parameter that becomes unused.
This leads to slight duplication, but a) this makes further refactoring
easier, and b) also the SST code sets link parameters in different
places for uncompressed and compressed paths.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/101ce3fc6afff55d966336f3ab72090317750f82.1738161945.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Qualcomm is migrating away from quicinc.com email addresses towards ones
with *.qualcomm.com.
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
die executes holding the spinlock of &die.lock and unlock
it after printing the oops message.
However in the code if the notify_die() returns NOTIFY_STOP
, die() exit with returning 1 but never unlocked the spinlock.
Fix this by adding spin_unlock_irq(&die.lock) before returning.
Fixes: cf9750bae2 ("Hexagon: Provide basic debugging and system trap support.")
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Link: https://lore.kernel.org/r/20230522025608.2515558-1-linyujun809@huawei.com
Signed-off-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
The kernel function prototypes are of no use for userspace and
shouldn't get exposed in an uapi header, so let's move them into
an internal header instead.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/20240502173818.58152-1-thuth@redhat.com
Signed-off-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
Null check for 'resource' before assignment is unnecessary because the
variable 'resource' is initialized to NULL at the beginning of the function.
Signed-off-by: Hardevsinh Palaniya <hardevsinh.palaniya@siliconsignals.io>
Link: https://lore.kernel.org/r/20241111142458.67854-1-hardevsinh.palaniya@siliconsignals.io
Signed-off-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
Sparse reports
net/ipv4/inet_diag.c:1511:17: sparse: sparse: Using plain integer as NULL pointer
Due to this code calling cmpxchg on a non-integer type
struct inet_diag_handler *
return !cmpxchg((const struct inet_diag_handler**)&inet_diag_table[type],
NULL, h) ? 0 : -EEXIST;
While hexagon's cmpxchg assigns an integer value to a variable of this
type.
__typeof__(*(ptr)) __oldval = 0;
Update this assignment to cast 0 to the correct type.
The original issue is easily reproduced at head with the below block,
and is absent after this change.
make LLVM=1 ARCH=hexagon defconfig
make C=1 LLVM=1 ARCH=hexagon net/ipv4/inet_diag.o
Fixes: 99a70aa051 ("Hexagon: Add processor and system headers")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202411091538.PGSTqUBi-lkp@intel.com/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Christian Gmeiner <cgmeiner@igalia.com>
Link: https://lore.kernel.org/r/20241203221736.282020-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
- hostfs: Convert to writepages
- Many cleanups: Removal of dead macros, missing __init
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Merge tag 'uml-for-linus-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- hostfs: Convert to writepages
- many cleanups: removal of dead macros, missing __init
* tag 'uml-for-linus-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
um: Remove unused asm/archparam.h header
um: Include missing headers in asm/pgtable.h
hostfs: Convert to writepages
um: rtc: use RTC time when calculating the alarm
um: Remove unused user_context function
um: Remove unused THREAD_NAME_LEN macro
um: Remove unused PGD_BOUND macro
um: Mark setup_env_path as __init
um: Mark install_fatal_handler as __init
um: Mark set_stklim as __init
um: Mark get_top_address as __init
um: Mark parse_cache_line as __init
um: Mark parse_host_cpu_flags as __init
um: Count iomem_size only once in physmem calculation
um: Remove obsolete fixmap support
um: Remove unused MODULES_LEN macro
UBI:
- New interface to dump detailed erase counters
- Fixes around wear-leveling
UBIFS:
- Minor cleanups
- Fix for TNC dumping code
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Merge tag 'ubifs-for-linus-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
"UBI:
- New interface to dump detailed erase counters
- Fixes around wear-leveling
UBIFS:
- Minor cleanups
- Fix for TNC dumping code"
* tag 'ubifs-for-linus-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: ubi_get_ec_info: Fix compiling error 'cast specifies array type'
ubi: Implement ioctl for detailed erase counters
ubi: Expose interface for detailed erase counters
ubifs: skip dumping tnc tree when zroot is null
ubi: Revert "ubi: wl: Close down wear-leveling before nand is suspended"
ubifs: ubifs_dump_leb: remove return from end of void function
ubifs: dump_lpt_leb: remove return at end of void function
ubi: Add a check for ubi_num
Subsystem:
- use boolean values with device_init_wakeup()
Drivers:
- pcf2127: add BSM support
- pcf85063: fix possible out of bound write
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Merge tag 'rtc-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Not much this cycle, there are multiple small fixes.
Core:
- use boolean values with device_init_wakeup()
Drivers:
- pcf2127: add BSM support
- pcf85063: fix possible out of bounds write"
* tag 'rtc-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: pcf2127: add BSM support
rtc: Remove hpet_rtc_dropped_irq()
dt-bindings: rtc: mxc: Document fsl,imx31-rtc
rtc: stm32: Use syscon_regmap_lookup_by_phandle_args
rtc: zynqmp: Fix optional clock name property
rtc: loongson: clear TOY_MATCH0_REG in loongson_rtc_isr()
rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read
rtc: tps6594: Fix integer overflow on 32bit systems
rtc: use boolean values with device_init_wakeup()
rtc: RTC_DRV_SPEAR should not default to y when compile-testing
Fixes two issues introduced with the first pull request:
- add a missing Kconfig dependency for imx-lpi2c
- in the core, handle the new per-client debugfs directory during
probe/remove, not during {un}register
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Merge tag 'i2c-for-6.14-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- add a missing Kconfig dependency for imx-lpi2c
- in the core, handle the new per-client debugfs directory during
probe/remove, not during {un}register
* tag 'i2c-for-6.14-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Fix core-managed per-client debugfs handling
i2c: imx-lpi2c: select CONFIG_I2C_SLAVE
An early round of random fixes in perf tools for this cycle.
perf trace
----------
* Fix loading of BPF program on certain clang versions
* Fix out-of-bound access in syscalls with 6 arguments
* Skip syscall enum test if landlock syscall is not available
perf annotate
-------------
* Fix segfaults due to invalid access in disasm arrays
perf stat
---------
* Fix error handling in topology parsing
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.14-2025-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"An early round of random fixes in perf tools for this cycle.
perf trace:
- Fix loading of BPF program on certain clang versions
- Fix out-of-bound access in syscalls with 6 arguments
- Skip syscall enum test if landlock syscall is not available
perf annotate:
- Fix segfaults due to invalid access in disasm arrays
perf stat:
- Fix error handling in topology parsing"
* tag 'perf-tools-fixes-for-v6.14-2025-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf cpumap: Fix die and cluster IDs
perf test: Skip syscall enum test if no landlock syscall
perf trace: Fix runtime error of index out of bounds
perf annotate: Use an array for the disassembler preference
perf trace: Fix BPF loading failure (-E2BIG)
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Merge tag 'audit-pr-20250130' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit fix from Paul Moore:
"A minor audit patch to fix an unitialized variable problem"
* tag 'audit-pr-20250130' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: Initialize lsmctx to avoid memory allocation error
Add a new ACPI-related quirk for Vexia EDU ATLA 10 tablet 5V (Hans
de Goede) and fix the MADT parsing code so that CPUs with different
entry types (LAPIC and x2APIC) are initialized in the order in which
they appear in the MADT as required by the ACPI specification (Zhang
Rui).
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Merge tag 'acpi-6.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Add a new ACPI-related quirk for Vexia EDU ATLA 10 tablet 5V (Hans de
Goede) and fix the MADT parsing code so that CPUs with different entry
types (LAPIC and x2APIC) are initialized in the order in which they
appear in the MADT as required by the ACPI specification (Zhang Rui)"
* tag 'acpi-6.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/acpi: Fix LAPIC/x2APIC parsing order
ACPI: x86: Add skip i2c clients quirk for Vexia EDU ATLA 10 tablet 5V
- Add missing error handling for syscore_suspend() to the hibernation
core code (Wentao Liang).
- Revert a commit that added unused macros (Andy Shevchenko).
- Synchronize the runtime PM status of devices that were runtime-
suspended before a system-wide suspend and need to be resumed during
the subsequent system-wide resume transition (Rafael Wysocki).
- Clean up the teo cpuidle governor and make the handling of short idle
intervals in it consistent regardless of the properties of idle
states supplied by the cpuidle driver (Rafael Wysocki).
- Fix some boost-related issues in cpufreq (Lifeng Zheng).
- Fix build issues in the s3c64xx and airoha cpufreq drivers (Viresh
Kumar).
- Remove unconditional binding of schedutil governor kthreads to the
affected CPUs if the cpufreq driver indicates that updates can happen
from any CPU (Christian Loehle).
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Merge tag 'pm-6.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are mostly fixes on top of the previously merged power
management material with the addition of some teo cpuidle governor
updates, some of which may also be regarded as fixes:
- Add missing error handling for syscore_suspend() to the hibernation
core code (Wentao Liang)
- Revert a commit that added unused macros (Andy Shevchenko)
- Synchronize the runtime PM status of devices that were runtime-
suspended before a system-wide suspend and need to be resumed
during the subsequent system-wide resume transition (Rafael
Wysocki)
- Clean up the teo cpuidle governor and make the handling of short
idle intervals in it consistent regardless of the properties of
idle states supplied by the cpuidle driver (Rafael Wysocki)
- Fix some boost-related issues in cpufreq (Lifeng Zheng)
- Fix build issues in the s3c64xx and airoha cpufreq drivers (Viresh
Kumar)
- Remove unconditional binding of schedutil governor kthreads to the
affected CPUs if the cpufreq driver indicates that updates can
happen from any CPU (Christian Loehle)"
* tag 'pm-6.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: core: Synchronize runtime PM status of parents and children
cpufreq: airoha: Depends on OF
PM: Revert "Add EXPORT macros for exporting PM functions"
PM: hibernate: Add error handling for syscore_suspend()
cpufreq/schedutil: Only bind threads if needed
cpufreq: ACPI: Remove set_boost in acpi_cpufreq_cpu_init()
cpufreq: CPPC: Fix wrong max_freq in policy initialization
cpufreq: Introduce a more generic way to set default per-policy boost flag
cpufreq: Fix re-boost issue after hotplugging a CPU
cpufreq: s3c64xx: Fix compilation warning
cpuidle: teo: Skip sleep length computation for low latency constraints
cpuidle: teo: Replace time_span_ns with a flag
cpuidle: teo: Simplify handling of total events count
cpuidle: teo: Skip getting the sleep length if wakeups are very frequent
cpuidle: teo: Simplify counting events used for tick management
cpuidle: teo: Clarify two code comments
cpuidle: teo: Drop local variable prev_intercept_idx
cpuidle: teo: Combine candidate state index checks against 0
cpuidle: teo: Reorder candidate state index checks
cpuidle: teo: Rearrange idle state lookup code
Backmerge drm-next to get the common APIs and refactors as well as
getting the display changes from i915 in xe so the probe order can be
improved.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Merge fixes related to system sleep for 6.14-rc1:
- Add missing error handling for syscore_suspend() to the hibernation
core code (Wentao Liang).
- Revert a commit that added unused macros (Andy Shevchenko).
- Synchronize the runtime PM status of devices that were runtime-
suspended before a system-wide suspend and need to be resumed during
the subsequent syste-wide resume transition (Rafael Wysocki).
* pm-sleep:
PM: sleep: core: Synchronize runtime PM status of parents and children
PM: Revert "Add EXPORT macros for exporting PM functions"
PM: hibernate: Add error handling for syscore_suspend()
Merge updates of the teo cpuidle governor for 6.14-rc1 that clean it
up and make the handling of short idle intervals in it consistent
regardless of the properties of idle states supplied by the cpuidle
driver.
* pm-cpuidle:
cpuidle: teo: Skip sleep length computation for low latency constraints
cpuidle: teo: Replace time_span_ns with a flag
cpuidle: teo: Simplify handling of total events count
cpuidle: teo: Skip getting the sleep length if wakeups are very frequent
cpuidle: teo: Simplify counting events used for tick management
cpuidle: teo: Clarify two code comments
cpuidle: teo: Drop local variable prev_intercept_idx
cpuidle: teo: Combine candidate state index checks against 0
cpuidle: teo: Reorder candidate state index checks
cpuidle: teo: Rearrange idle state lookup code
but as usual there's a slight concentration of fixes for issues
added in the last two weeks before the MW, and driver bugs
from 6.13 which tend to get discovered upon wider distribution.
Including fixes from IPSec, netfilter and Bluetooth.
Current release - regressions:
- net: revert RTNL changes in unregister_netdevice_many_notify()
- Bluetooth: fix possible infinite recursion of btusb_reset
- eth: adjust locking in some old drivers which protect their state
with spinlocks to avoid sleeping in atomic; core protects
netdev state with a mutex now
Previous releases - regressions:
- eth: mlx5e: make sure we pass node ID, not CPU ID to kvzalloc_node()
- eth: bgmac: reduce max frame size to support just 1500 bytes;
the jumbo frame support would previously cause OOB writes,
but now fails outright
- mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted,
avoid false detection of MPTCP blackholing
Previous releases - always broken:
- mptcp: handle fastopen disconnect correctly
- xfrm: make sure skb->sk is a full sock before accessing its fields
- xfrm: fix taking a lock with preempt disabled for RT kernels
- usb: ipheth: improve safety of packet metadata parsing; prevent
potential OOB accesses
- eth: renesas: fix missing rtnl lock in suspend/resume path
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from IPSec, netfilter and Bluetooth.
Nothing really stands out, but as usual there's a slight concentration
of fixes for issues added in the last two weeks before the merge
window, and driver bugs from 6.13 which tend to get discovered upon
wider distribution.
Current release - regressions:
- net: revert RTNL changes in unregister_netdevice_many_notify()
- Bluetooth: fix possible infinite recursion of btusb_reset
- eth: adjust locking in some old drivers which protect their state
with spinlocks to avoid sleeping in atomic; core protects netdev
state with a mutex now
Previous releases - regressions:
- eth:
- mlx5e: make sure we pass node ID, not CPU ID to kvzalloc_node()
- bgmac: reduce max frame size to support just 1500 bytes; the
jumbo frame support would previously cause OOB writes, but now
fails outright
- mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted, avoid
false detection of MPTCP blackholing
Previous releases - always broken:
- mptcp: handle fastopen disconnect correctly
- xfrm:
- make sure skb->sk is a full sock before accessing its fields
- fix taking a lock with preempt disabled for RT kernels
- usb: ipheth: improve safety of packet metadata parsing; prevent
potential OOB accesses
- eth: renesas: fix missing rtnl lock in suspend/resume path"
* tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
MAINTAINERS: add Neal to TCP maintainers
net: revert RTNL changes in unregister_netdevice_many_notify()
net: hsr: fix fill_frame_info() regression vs VLAN packets
doc: mptcp: sysctl: blackhole_timeout is per-netns
mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted
netfilter: nf_tables: reject mismatching sum of field_len with set key length
net: sh_eth: Fix missing rtnl lock in suspend/resume path
net: ravb: Fix missing rtnl lock in suspend/resume path
selftests/net: Add test for loading devbound XDP program in generic mode
net: xdp: Disallow attaching device-bound programs in generic mode
tcp: correct handling of extreme memory squeeze
bgmac: reduce max frame size to support just MTU 1500
vsock/test: Add test for connect() retries
vsock/test: Add test for UAF due to socket unbinding
vsock/test: Introduce vsock_connect_fd()
vsock/test: Introduce vsock_bind()
vsock: Allow retrying on connect() failure
vsock: Keep the binding until socket destruction
Bluetooth: L2CAP: accept zero as a special value for MTU auto-selection
Bluetooth: btnxpuart: Fix glitches seen in dual A2DP streaming
...
Add missing runtime registers for graphics versions of 3000 or higher.
This is required for Xe3 where additionally we have
MIRROR_L3BANK_ENABLE register.
Signed-off-by: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Suggested-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Adam Miszczak <adam.miszczak@linux.intel.com>
Cc: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Cc: Lukasz Laguna <lukasz.laguna@intel.com>
Cc: Marcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piorkowski <piotr.piorkowski@intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Reviewed-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Tested-by: Marcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250128110300.2840596-2-jakub1.kolakowski@intel.com
We want to encourage use of newer Sphinx - they fixed a performance problem
and the docs build takes less than half the time it used to.
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Merge tag 'docs-6.14-2' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"Two fixes for footnote-related warnings that appeared with Sphinx 8.x.
We want to encourage use of newer Sphinx - they fixed a performance
problem and the docs build takes less than half the time it used to"
* tag 'docs-6.14-2' of git://git.lwn.net/linux:
docs: power: Fix footnote reference for Toshiba Satellite P10-554
Documentation: ublk: Drop Stefan Hajnoczi's message footnote
- Architecutre-specific ftrace recursion trylock tests were
removed in favour of the generic function_graph_enter(),
but s390 got missed. Remove this test for s390 as well.
- Add ftrace_get_symaddr() for s390, which returns the symbol
address from ftrace 'ip' parameter
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Merge tag 's390-6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Architecutre-specific ftrace recursion trylock tests were removed in
favour of the generic function_graph_enter(), but s390 got missed.
Remove this test for s390 as well.
- Add ftrace_get_symaddr() for s390, which returns the symbol address
from ftrace 'ip' parameter
* tag 's390-6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/tracing: Define ftrace_get_symaddr() for s390
s390/fgraph: Fix to remove ftrace_test_recursion_trylock()
- The rework that uncoupled physical and virtual address spaces
inadvertently prevented KASAN shadow mappings from using large
pages. Restore large page mappings for KASAN shadows
- Add decompressor routine physmem_alloc() that may fail,
unlike physmem_alloc_or_die(). This allows callers to
implement fallback paths
- Allow falling back from large pages to smaller pages (1MB or
4KB) if the allocation of 2GB pages in the decompressor can
not be fulfilled
- Add to the decompressor boot print support of "%%" format
string, width and padding hadnling, length modifiers and
decimal conversion specifiers
- Add to the decompressor message severity levels similar to
kernel ones. Support command-line options that control
console output verbosity
- Replaces boot_printk() calls with appropriate loglevel-
specific helpers such as boot_emerg(), boot_warn(), and
boot_debug().
- Collect all boot messages into a ring buffer independent
of the current log level. This is particularly useful for
early crash analysis
- If 'earlyprintk' command line parameter is not specified, store
decompressor boot messages in a ring buffer to be printed later
by the kernel, once the console driver is registered
- Add 'bootdebug' command line parameter to enable printing of
decompressor debug messages when needed. That parameters allows
message supressing and filtering
- Dump boot messages on a decompressor crash, but only if
'bootdebug' command line parameter is enabled
- When CONFIG_PRINTK_TIME is enabled, add timestamps to boot
messages in the same format as regular printk()
- Dump physical memory tracking information on boot:
online ranges, reserved areas and vmem allocations
- Dump virtual memory layout and randomization details
- Improve decompression error reporting and dump the message
ring buffer in case the boot failed and system halted
- Add an exception handler which handles exceptions when FPU
control register is attempted to be set to an invalid value.
Remove '.fixup' section as result of this change
- Use 'A', 'O', and 'R' inline assembly format flags, which
allows recent Clang compilers to generate better FPU code
- Rework uaccess code so it reads better and generates more
efficient code
- Cleanup futex inline assembly code
- Disable KMSAN instrumention for futex inline assemblies, which
contain dereferenced user pointers. Otherwise, shadows for the
user pointers would be accessed
- PFs which are not initially configured but in standby create
only a single-function PCI domain. If they are configured later
on, sibling PFs and their child VFs will not be added to their
PCI domain breaking SR-IOV expectations. Fix that by allowing
initially configured but in standby PFs create multi-function
PCI domains
- Add '-std=gnu11' to decompressor and purgatory CFLAGS to avoid
compile errors caused by kernel's own definitions of 'bool',
'false', and 'true' conflicting with the C23 reserved keywords
- Fix sclp subsystem failure when a sclp console is not present
- Fix misuse of non-NULL terminated strings in vmlogrdr driver
- Various other small improvements, cleanups and fixes
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Merge tag 's390-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Alexander Gordeev:
- The rework that uncoupled physical and virtual address spaces
inadvertently prevented KASAN shadow mappings from using large pages.
Restore large page mappings for KASAN shadows
- Add decompressor routine physmem_alloc() that may fail, unlike
physmem_alloc_or_die(). This allows callers to implement fallback
paths
- Allow falling back from large pages to smaller pages (1MB or 4KB) if
the allocation of 2GB pages in the decompressor can not be fulfilled
- Add to the decompressor boot print support of "%%" format string,
width and padding hadnling, length modifiers and decimal conversion
specifiers
- Add to the decompressor message severity levels similar to kernel
ones. Support command-line options that control console output
verbosity
- Replaces boot_printk() calls with appropriate loglevel- specific
helpers such as boot_emerg(), boot_warn(), and boot_debug().
- Collect all boot messages into a ring buffer independent of the
current log level. This is particularly useful for early crash
analysis
- If 'earlyprintk' command line parameter is not specified, store
decompressor boot messages in a ring buffer to be printed later by
the kernel, once the console driver is registered
- Add 'bootdebug' command line parameter to enable printing of
decompressor debug messages when needed. That parameters allows
message suppressing and filtering
- Dump boot messages on a decompressor crash, but only if 'bootdebug'
command line parameter is enabled
- When CONFIG_PRINTK_TIME is enabled, add timestamps to boot messages
in the same format as regular printk()
- Dump physical memory tracking information on boot: online ranges,
reserved areas and vmem allocations
- Dump virtual memory layout and randomization details
- Improve decompression error reporting and dump the message ring
buffer in case the boot failed and system halted
- Add an exception handler which handles exceptions when FPU control
register is attempted to be set to an invalid value. Remove '.fixup'
section as result of this change
- Use 'A', 'O', and 'R' inline assembly format flags, which allows
recent Clang compilers to generate better FPU code
- Rework uaccess code so it reads better and generates more efficient
code
- Cleanup futex inline assembly code
- Disable KMSAN instrumention for futex inline assemblies, which
contain dereferenced user pointers. Otherwise, shadows for the user
pointers would be accessed
- PFs which are not initially configured but in standby create only a
single-function PCI domain. If they are configured later on, sibling
PFs and their child VFs will not be added to their PCI domain
breaking SR-IOV expectations.
Fix that by allowing initially configured but in standby PFs create
multi-function PCI domains
- Add '-std=gnu11' to decompressor and purgatory CFLAGS to avoid
compile errors caused by kernel's own definitions of 'bool', 'false',
and 'true' conflicting with the C23 reserved keywords
- Fix sclp subsystem failure when a sclp console is not present
- Fix misuse of non-NULL terminated strings in vmlogrdr driver
- Various other small improvements, cleanups and fixes
* tag 's390-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (53 commits)
s390/vmlogrdr: Use array instead of string initializer
s390/vmlogrdr: Use internal_name for error messages
s390/sclp: Initialize sclp subsystem via arch_cpu_finalize_init()
s390/tools: Use array instead of string initializer
s390/vmem: Fix null-pointer-arithmetic warning in vmem_map_init()
s390: Add '-std=gnu11' to decompressor and purgatory CFLAGS
s390/bitops: Use correct constraint for arch_test_bit() inline assembly
s390/pci: Fix SR-IOV for PFs initially in standby
s390/futex: Avoid KMSAN instrumention for user pointers
s390/uaccess: Rename get_put_user_noinstr_attributes to uaccess_kmsan_or_inline
s390/futex: Cleanup futex_atomic_cmpxchg_inatomic()
s390/futex: Generate futex atomic op functions
s390/uaccess: Remove INLINE_COPY_FROM_USER and INLINE_COPY_TO_USER
s390/uaccess: Use asm goto for put_user()/get_user()
s390/uaccess: Remove usage of the oac specifier
s390/uaccess: Replace EX_TABLE_UA_LOAD_MEM exception handling
s390/uaccess: Cleanup noinstr __put_user()/__get_user() inline assembly constraints
s390/uaccess: Remove __put_user_fn()/__get_user_fn() wrappers
s390/uaccess: Move put_user() / __put_user() close to put_user() asm code
s390/uaccess: Use asm goto for __mvc_kernel_nofault()
...
- update gpio-sim selftests to not fail now that we no longer allow
rmdir() on configfs entries of active devices
- remove leftover code from gpio-mxc
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Merge tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- update gpio-sim selftests to not fail now that we no longer allow
rmdir() on configfs entries of active devices
- remove leftover code from gpio-mxc
* tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
selftests: gpio: gpio-sim: Fix missing chip disablements
gpio: mxc: remove dead code after switch to DT-only
GCC 15 changed the default C standard version to C23, which should not
have impacted the kernel because it requests the gnu11 standard via
'-std=' in the main Makefile. However, the x86 compressed boot Makefile
uses its own set of KBUILD_CFLAGS without a '-std=' value (i.e., using
the default), resulting in errors from the kernel's definitions of bool,
true, and false in stddef.h, which are reserved keywords under C23.
./include/linux/stddef.h:11:9: error: expected identifier before ‘false’
11 | false = 0,
./include/linux/types.h:35:33: error: two or more data types in declaration specifiers
35 | typedef _Bool bool;
Set '-std=gnu11' in the x86 compressed boot Makefile to resolve the
error and consistently use the same C standard version for the entire
kernel.
Closes: https://lore.kernel.org/4OAhbllK7x4QJGpZjkYjtBYNLd_2whHx9oFiuZcGwtVR4hIzvduultkgfAIRZI3vQpZylu7Gl929HaYFRGeMEalWCpeMzCIIhLxxRhq4U-Y=@protonmail.com/
Closes: https://lore.kernel.org/Z4467umXR2PZ0M1H@tucnak/
Reported-by: Kostadin Shishmanov <kostadinshishmanov@protonmail.com>
Reported-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Cc:stable@vger.kernel.org
Link: https://lore.kernel.org/all/20250121-x86-use-std-consistently-gcc-15-v1-1-8ab0acf645cb%40kernel.org
The Makefile for xe asks us to keep the lists of object files sorted:
# Please keep these build lists sorted!
Reshuffle the lists into the correct sort order. That was done by
filtering each unsorted list through 'LC_ALL=C sort'.
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250115140812.20799-1-gustavo.sousa@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Most of the filesystem methods where we care about dentry name
and parent have their stability guaranteed by the callers;
->d_revalidate() is the major exception.
It's easy enough for callers to supply stable values for
expected name and expected parent of the dentry being
validated. That kills quite a bit of boilerplate in
->d_revalidate() instances, along with a bunch of races
where they used to access ->d_name without sufficient
precautions.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs d_revalidate updates from Al Viro:
"Provide stable parent and name to ->d_revalidate() instances
Most of the filesystem methods where we care about dentry name and
parent have their stability guaranteed by the callers;
->d_revalidate() is the major exception.
It's easy enough for callers to supply stable values for expected name
and expected parent of the dentry being validated. That kills quite a
bit of boilerplate in ->d_revalidate() instances, along with a bunch
of races where they used to access ->d_name without sufficient
precautions"
* tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
9p: fix ->rename_sem exclusion
orangefs_d_revalidate(): use stable parent inode and name passed by caller
ocfs2_dentry_revalidate(): use stable parent inode and name passed by caller
nfs: fix ->d_revalidate() UAF on ->d_name accesses
nfs{,4}_lookup_validate(): use stable parent inode passed by caller
gfs2_drevalidate(): use stable parent inode and name passed by caller
fuse_dentry_revalidate(): use stable parent inode and name passed by caller
vfat_revalidate{,_ci}(): use stable parent inode passed by caller
exfat_d_revalidate(): use stable parent inode passed by caller
fscrypt_d_revalidate(): use stable parent inode passed by caller
ceph_d_revalidate(): propagate stable name down into request encoding
ceph_d_revalidate(): use stable parent inode passed by caller
afs_d_revalidate(): use stable name and parent inode passed by caller
Pass parent directory inode and expected name to ->d_revalidate()
generic_ci_d_compare(): use shortname_storage
ext4 fast_commit: make use of name_snapshot primitives
dissolve external_name.u into separate members
make take_dentry_name_snapshot() lockless
dcache: back inline names with a struct-wrapped array of unsigned long
make sure that DNAME_INLINE_LEN is a multiple of word size
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Merge tag 'nf-25-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains one Netfilter fix:
1) Reject mismatching sum of field_len with set key length which allows
to create a set without inconsistent pipapo rule width and set key
length.
* tag 'nf-25-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: reject mismatching sum of field_len with set key length
====================
Link: https://patch.msgid.link/20250130113307.2327470-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Neal Cardwell has been indispensable in TCP reviews
and investigations, especially protocol-related.
Neal is also the author of packetdrill.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250129191332.2526140-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch reverts following changes:
83419b61d1 net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 2)
ae646f1a0b net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 1)
cfa579f666 net: no longer hold RTNL while calling flush_all_backlogs()
This caused issues in layers holding a private mutex:
cleanup_net()
rtnl_lock();
mutex_lock(subsystem_mutex);
unregister_netdevice();
rtnl_unlock(); // LOCKDEP violation
rtnl_lock();
I will revisit this in next cycle, opt-in for the new behavior
from safe contexts only.
Fixes: cfa579f666 ("net: no longer hold RTNL while calling flush_all_backlogs()")
Fixes: ae646f1a0b ("net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 1)")
Fixes: 83419b61d1 ("net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 2)")
Reported-by: syzbot+5b9196ecf74447172a9a@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/6789d55f.050a0220.20d369.004e.GAE@google.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250129142726.747726-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
GCC 15 introduces a regression in "= { 0 }" style initialization of
unions that Linux has depended on for eliminating uninitialized variable
contents. GCC does not seem likely to fix it[1], instead suggesting[2]
that affected projects start using -fzero-init-padding-bits=unions.
To avoid future surprises beyond just the current situation with unions,
enable -fzero-init-padding-bits=all when available (GCC 15+). This will
correctly zero padding bits in unions and structs that might have been
left uninitialized, and will make sure there is no immediate regression
in union initializations. As seen in the stackinit KUnit selftest union
cases, which were passing before, were failing under GCC 15:
not ok 18 test_small_start_old_zero
ok 29 test_small_start_dynamic_partial # SKIP XFAIL uninit bytes: 63
ok 32 test_small_start_assigned_dynamic_partial # SKIP XFAIL uninit bytes: 63
ok 67 test_small_start_static_partial # SKIP XFAIL uninit bytes: 63
ok 70 test_small_start_static_all # SKIP XFAIL uninit bytes: 56
ok 73 test_small_start_dynamic_all # SKIP XFAIL uninit bytes: 56
ok 82 test_small_start_assigned_static_partial # SKIP XFAIL uninit bytes: 63
ok 85 test_small_start_assigned_static_all # SKIP XFAIL uninit bytes: 56
ok 88 test_small_start_assigned_dynamic_all # SKIP XFAIL uninit bytes: 56
The above all now pass again with -fzero-init-padding-bits=all added.
This also fixes the following cases for struct initialization that had
been XFAIL until now because there was no compiler support beyond the
larger "-ftrivial-auto-var-init=zero" option:
ok 38 test_small_hole_static_all # SKIP XFAIL uninit bytes: 3
ok 39 test_big_hole_static_all # SKIP XFAIL uninit bytes: 124
ok 40 test_trailing_hole_static_all # SKIP XFAIL uninit bytes: 7
ok 42 test_small_hole_dynamic_all # SKIP XFAIL uninit bytes: 3
ok 43 test_big_hole_dynamic_all # SKIP XFAIL uninit bytes: 124
ok 44 test_trailing_hole_dynamic_all # SKIP XFAIL uninit bytes: 7
ok 58 test_small_hole_assigned_static_all # SKIP XFAIL uninit bytes: 3
ok 59 test_big_hole_assigned_static_all # SKIP XFAIL uninit bytes: 124
ok 60 test_trailing_hole_assigned_static_all # SKIP XFAIL uninit bytes: 7
ok 62 test_small_hole_assigned_dynamic_all # SKIP XFAIL uninit bytes: 3
ok 63 test_big_hole_assigned_dynamic_all # SKIP XFAIL uninit bytes: 124
ok 64 test_trailing_hole_assigned_dynamic_all # SKIP XFAIL uninit bytes: 7
All of the above now pass when built under GCC 15. Tests can be seen
with:
./tools/testing/kunit/kunit.py run stackinit --arch=x86_64 \
--make_option CC=gcc-15
Clang continues to fully initialize these kinds of variables[3] without
additional flags.
Suggested-by: Jakub Jelinek <jakub@redhat.com>
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118403 [1]
Link: https://lore.kernel.org/linux-toolchains/Z0hRrrNU3Q+ro2T7@tucnak/ [2]
Link: 7a086e1b2d [3]
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20250127191031.245214-3-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
The stack initialization selftests were checking scalars, strings,
and structs, but not unions. Add union tests (which are mostly identical
setup to structs). This catches the recent union initialization behavioral
changes seen in GCC 15. Before GCC 15, this new test passes:
ok 18 test_small_start_old_zero
With GCC 15, it fails:
not ok 18 test_small_start_old_zero
Specifically, a union with a larger member where a smaller member is
initialized with the older "= { 0 }" syntax:
union test_small_start {
char one:1;
char two;
short three;
unsigned long four;
struct big_struct {
unsigned long array[8];
} big;
};
This is a regression in compiler behavior that Linux has depended on.
GCC does not seem likely to fix it, instead suggesting that affected
projects start using -fzero-init-padding-bits=unions:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118403
Link: https://lore.kernel.org/r/20250127191031.245214-2-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
Refactored:
unify inode corruption marking and mark them as bad immediately
upon detection of an error in attribute enumeration..
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Merge tag 'ntfs3_for_6.14' of https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 fixes from Konstantin Komarov:
- unify inode corruption marking and mark them as bad immediately upon
detection of an error in attribute enumeration
- folio cleanup
* tag 'ntfs3_for_6.14' of https://github.com/Paragon-Software-Group/linux-ntfs3:
fs/ntfs3: Unify inode corruption marking with _ntfs_bad_inode()
fs/ntfs3: Mark inode as bad as soon as error detected in mi_enum_attr()
ntfs3: Remove an access to page->index
- second half of a fix for a bug that'd been causing oopses on
filesystems using snapshots with memory pressure (key cache fills for
snaphots btrees are tricky)
- build fix for strange compiler configurations that double stack frame
size
- "journal stuck timeout" now takes into account device latency: this
fixes some spurious warnings, and the main remaining source of SRCU
lock hold time warnings (I'm no longer seeing this in my CI, so any
users still seeing this should definitely ping me)
- fix for slow/hanging unmounts (" Improve journal pin flushing")
- some more tracepoint fixes/improvements, to chase down the "rebalance
isn't making progress" issues
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Merge tag 'bcachefs-2025-01-29' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- second half of a fix for a bug that'd been causing oopses on
filesystems using snapshots with memory pressure (key cache fills for
snaphots btrees are tricky)
- build fix for strange compiler configurations that double stack frame
size
- "journal stuck timeout" now takes into account device latency: this
fixes some spurious warnings, and the main remaining source of SRCU
lock hold time warnings (I'm no longer seeing this in my CI, so any
users still seeing this should definitely ping me)
- fix for slow/hanging unmounts (" Improve journal pin flushing")
- some more tracepoint fixes/improvements, to chase down the "rebalance
isn't making progress" issues
* tag 'bcachefs-2025-01-29' of git://evilpiepirate.org/bcachefs:
bcachefs: Improve trace_move_extent_finish
bcachefs: Fix trace_copygc
bcachefs: Journal writes are now IOPRIO_CLASS_RT
bcachefs: Improve journal pin flushing
bcachefs: fix bch2_btree_node_flags
bcachefs: rebalance, copygc enabled are runtime opts
bcachefs: Improve decompression error messages
bcachefs: bset_blacklisted_journal_seq is now AUTOFIX
bcachefs: "Journal stuck" timeout now takes into account device latency
bcachefs: Reduce stack frame size of __bch2_str_hash_check_key()
bcachefs: Fix btree_trans_peek_key_cache()
If a socket is shutdown before the connection completes, POLLERR is set
in the poll mask. However, connect ignores this as it doesn't know, and
attempts the connection again. This may lead to a bogus -ETIMEDOUT
result, where it should have noticed the POLLERR and just returned
-ECONNRESET instead.
Have the poll logic check for whether or not POLLERR is set in the mask,
and if so, mark the request as failed. Then connect can appropriately
fail the request rather than retry it.
Reported-by: Sergey Galas <ssgalas@cloud.ru>
Cc: stable@vger.kernel.org
Link: https://github.com/axboe/liburing/discussions/1335
Fixes: 3fb1bd6881 ("io_uring/net: handle -EINPROGRESS correct for IORING_OP_CONNECT")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
GuC firmware counts received VF configuration KLVs and may start
validation of the complete VF config even if some resources where
unprovisioned in the meantime, leading to unexpected errors like:
$ echo 1 | sudo tee /sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/contexts_quota
$ echo 0 | sudo tee /sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/contexts_quota
$ echo 1 | sudo tee /sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/doorbells_quota
$ echo 0 | sudo tee /sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/doorbells_quota
$ echo 1 | sudo tee /sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/ggtt_quota
tee: '/sys/kernel/debug/dri/0000:00:02.0/gt0/vf1/ggtt_quota': Input/output error
To mitigate this problem trigger explicit VF config reset after
unprovisioning any of the critical resources (GGTT, context or
doorbell IDs) that GuC is monitoring.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250129195947.764-3-michal.wajdeczko@intel.com
Commit 08ae2487b2 ("tomoyo: automatically use patterns for several
situations in learning mode") replaced only $PID part of procfs pathname
with \$ pattern. But it turned out that we need to also replace $TID part
and $FD part to make this functionality useful for e.g. /bin/lsof .
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Adaptive sync sdp param computation, we can configure during
full modeset as well when sink is having vrr support, where
it doesn't need dependency on vrr.enable status and can also
match vrr enable/disable fastset requirement.
--v2:
- Separate the change from as_sdp.vtotal. [Ankit]
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250130051609.1796524-6-mitulkumar.ajitkumar.golani@intel.com
Compute as_sdp.vtotal based on minimum vtotal calculated
during vrr computation.
--v2:
- make a separate patch and update to vmin only [Ankit].
--v3:
- Update vtotal to vmin for cmrr case as well [Ankit].
--v4:
- update vtotal with wrapper function of vmin [Ville]
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250130051609.1796524-5-mitulkumar.ajitkumar.golani@intel.com
Currently we support Adaptive sync operation mode with dynamic frame
rate, but instead the operation mode with fixed rate is set.
This was initially set correctly in the earlier version of changes but
later got changed, while defining a macro for the same.
Fixes: a5bd5991cb ("drm/i915/display: Compute AS SDP parameters")
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250130051609.1796524-4-mitulkumar.ajitkumar.golani@intel.com
