subsystem, which is part of the DRM subsystem.
The patches:
- Add a new directory at drivers/accel.
- Add a new major (261) for compute accelerators.
- Add a new DRM minor type for compute accelerators.
- Integrate the accel core code with DRM core code.
- Add documentation for the accel subsystem.
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Merge tag 'drm-accel-2022-11-22' of https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/accel into drm-next
This tag contains the patches that add the new compute acceleration
subsystem, which is part of the DRM subsystem.
The patches:
- Add a new directory at drivers/accel.
- Add a new major (261) for compute accelerators.
- Add a new DRM minor type for compute accelerators.
- Integrate the accel core code with DRM core code.
- Add documentation for the accel subsystem.
Signed-off-by: Dave Airlie <airlied@redhat.com>
some acks from the list (some are in the patch series):
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Sonal Santan <sonal.santan@amd.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Tested-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
From: Oded Gabbay <ogabbay@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221122112222.GA352082@ogabbay-vm-u20.habana-labs.com
When the async test case was introduced, despite being a completely
independent test case, the command to run it was added to the same shell
script as the smoke test case. Since a shell script implicitly returns
the error code from the last run command, this effectively caused the
script to only return as error code the result from the async test case,
hiding the smoke test result (which could then only be seen from the
python unittest logs).
Move the async test case call to its own shell script runner to avoid
the aforementioned issue. This also makes the output clearer to read,
since each kselftest KTAP result now matches with one python unittest
report.
While at it, also make it so the async test case is skipped if
/dev/tpmrm0 doesn't exist, since commit 8335adb8f9 ("selftests: tpm:
add async space test with noneexisting handle") added a test that relies
on it.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
sysfs now supports splice_* operations with
commit f2d6c2708b ("kernfs: wire up ->splice_read and ->splice_write")
Update the selftests to expect success instead of failure.
Cc: Shuah Khan <shuah@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Siddharth Gupta <sidgup@codeaurora.org
Reported-by: Dilip Kota <dilip.kota@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Change min cursor size of vkms driver from 20 to 10, to increase the IGT
test coverage of vkms by enabling 32x10 cursor size subtests in
kms_cursor_crc
Signed-off-by: Alaa Emad <aemad@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221109113945.20938-1-aemad@igalia.com
A null-ptr-deref is triggered when it tries to destroy the workqueue in
vkms->output.composer_workq in vkms_release().
KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]
CPU: 5 PID: 17193 Comm: modprobe Not tainted 6.0.0-11331-gd465bff130bf #24
RIP: 0010:destroy_workqueue+0x2f/0x710
...
Call Trace:
<TASK>
? vkms_config_debugfs_init+0x50/0x50 [vkms]
__devm_drm_dev_alloc+0x15a/0x1c0 [drm]
vkms_init+0x245/0x1000 [vkms]
do_one_initcall+0xd0/0x4f0
do_init_module+0x1a4/0x680
load_module+0x6249/0x7110
__do_sys_finit_module+0x140/0x200
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
The reason is that an OOM happened which triggers the destroy of the
workqueue, however, the workqueue is alloced in the later process,
thus a null-ptr-deref happened. A simple call graph is shown as below:
vkms_init()
vkms_create()
devm_drm_dev_alloc()
__devm_drm_dev_alloc()
devm_drm_dev_init()
devm_add_action_or_reset()
devm_add_action() # an error happened
devm_drm_dev_init_release()
drm_dev_put()
kref_put()
drm_dev_release()
vkms_release()
destroy_workqueue() # null-ptr-deref happened
vkms_modeset_init()
vkms_output_init()
vkms_crtc_init() # where the workqueue get allocated
Fix this by checking if composer_workq is NULL before passing it to
the destroy_workqueue() in vkms_release().
Fixes: 6c234fe37c ("drm/vkms: Implement CRC debugfs API")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221101065156.41584-3-yuancan@huawei.com
A memory leak was reported after the vkms module install failed.
unreferenced object 0xffff88810bc28520 (size 16):
comm "modprobe", pid 9662, jiffies 4298009455 (age 42.590s)
hex dump (first 16 bytes):
01 01 00 64 81 88 ff ff 00 00 dc 0a 81 88 ff ff ...d............
backtrace:
[<00000000e7561ff8>] kmalloc_trace+0x27/0x60
[<000000000b1954a0>] 0xffffffffc45200a9
[<00000000abbf1da0>] do_one_initcall+0xd0/0x4f0
[<000000001505ee87>] do_init_module+0x1a4/0x680
[<00000000958079ad>] load_module+0x6249/0x7110
[<00000000117e4696>] __do_sys_finit_module+0x140/0x200
[<00000000f74b12d2>] do_syscall_64+0x35/0x80
[<000000008fc6fcde>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
The reason is that the vkms_init() returns without checking the return
value of vkms_create(), and if the vkms_create() failed, the config
allocated at the beginning of vkms_init() is leaked.
vkms_init()
config = kmalloc(...) # config allocated
...
return vkms_create() # vkms_create failed and config is leaked
Fix this problem by checking return value of vkms_create() and free the
config if error happened.
Fixes: 2df7af93fd ("drm/vkms: Add vkms_config type")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221101065156.41584-2-yuancan@huawei.com
We shuffled the error handling around so this condition is dead code
now. The "error" variable is always zero.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/Y33BD9xkRC9euIdO@kili
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Kernels configured with CONFIG_PRINTK=n and CONFIG_SRCU=n get build
failures. This causes trouble for deep embedded systems. But given
that there are more than 25 instances of "select SRCU" in the kernel,
it is hard to believe that there are many kernels running in production
without SRCU. This commit therefore makes SRCU mandatory. The SRCU
Kconfig option remains for backwards compatibility, and will be removed
when it is no longer used.
[ paulmck: Update per kernel test robot feedback. ]
Reported-by: John Ogness <john.ogness@linutronix.de>
Reported-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: <linux-arch@vger.kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Avoid the panel oscillating on and off during boot. In some cases it
will be more than 1000ms between powering the panel to read the EDID early
during boot, and enabling the panel for display. Extending the
autosuspend delay avoids autosuspending during this interval.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.5.I96ce2a565ff893eddcbee70174c991179311a3ae@changeid
ktime_get_boottime continues while the device is suspended. This change
ensures that the resume path will not be delayed if the power off delay
has already been met while the device is suspended
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.3.Iebd9f79aba0a62015fd2383fe6986c2d6fe12cfd@changeid
ktime_get_boottime continues while the device is suspended. This change
ensures that the resume path will not be delayed if the power off delay
has already been met while the device is suspended
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.2.Iebd9f79aba0a62015fd2383fe6986c2d6fe12cfd@changeid
ktime_get is based on CLOCK_MONOTONIC which stops on suspend. On
suspend, the time that the panel was powerd off is recorded with
ktime_get, and on resume this time is compared to the current ktime_get
time to determine if the driver should wait for the panel to power down
completely before re-enabling it.
Because we're using ktime_get, this delay doesn't account for the time
that the device is suspended, during which the power down delay may have
already elapsed.
Change to use ktime_get_boottime throughout, which uses CLOCK_BOOTTIME
which does not stop when suspended. This ensures that the resume path
will not be delayed if the power off delay has already been met while
the device is suspended.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.1.I51639dc112bbbe27259df6bdad56dbabd655d91a@changeid
Earlier commits in this series allow battery-powered systems to build
their kernels with the default-disabled CONFIG_RCU_LAZY=y Kconfig option.
This Kconfig option causes call_rcu() to delay its callbacks in order
to batch them. This means that a given RCU grace period covers more
callbacks, thus reducing the number of grace periods, in turn reducing
the amount of energy consumed, which increases battery lifetime which
can be a very good thing. This is not a subtle effect: In some important
use cases, the battery lifetime is increased by more than 10%.
This CONFIG_RCU_LAZY=y option is available only for CPUs that offload
callbacks, for example, CPUs mentioned in the rcu_nocbs kernel boot
parameter passed to kernels built with CONFIG_RCU_NOCB_CPU=y.
Delaying callbacks is normally not a problem because most callbacks do
nothing but free memory. If the system is short on memory, a shrinker
will kick all currently queued lazy callbacks out of their laziness,
thus freeing their memory in short order. Similarly, the rcu_barrier()
function, which blocks until all currently queued callbacks are invoked,
will also kick lazy callbacks, thus enabling rcu_barrier() to complete
in a timely manner.
However, there are some cases where laziness is not a good option.
For example, synchronize_rcu() invokes call_rcu(), and blocks until
the newly queued callback is invoked. It would not be a good for
synchronize_rcu() to block for ten seconds, even on an idle system.
Therefore, synchronize_rcu() invokes call_rcu_hurry() instead of
call_rcu(). The arrival of a non-lazy call_rcu_hurry() callback on a
given CPU kicks any lazy callbacks that might be already queued on that
CPU. After all, if there is going to be a grace period, all callbacks
might as well get full benefit from it.
Yes, this could be done the other way around by creating a
call_rcu_lazy(), but earlier experience with this approach and
feedback at the 2022 Linux Plumbers Conference shifted the approach
to call_rcu() being lazy with call_rcu_hurry() for the few places
where laziness is inappropriate.
And another call_rcu() instance that cannot be lazy is the one in the
scsi_eh_scmd_add() function. Leaving this instance lazy results in
unacceptably slow boot times.
Therefore, make scsi_eh_scmd_add() use call_rcu_hurry() in order to
revert to the old behavior.
[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]
Tested-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: <linux-scsi@vger.kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
call_rcu() changes to save power will change the behavior of rcutorture
tests. Use the call_rcu_hurry() API instead which reverts to the old
behavior.
[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
rcuscale uses call_rcu() to queue async readers. With recent changes to
save power, the test will have fewer async readers in flight. Use the
call_rcu_hurry() API instead to revert to the old behavior.
[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
call_rcu() changes to save power will slow down rcu sync. Use the
call_rcu_hurry() API instead which reverts to the old behavior.
[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit adds 2 tests to rcuscale. The first one is a startup test
to check whether we are not too lazy or too hard working. The second
one causes kfree_rcu() itself to use call_rcu() and checks memory
pressure. Testing indicates that the new call_rcu() keeps memory pressure
under control roughly as well as does kfree_rcu().
[ paulmck: Apply checkpatch feedback. ]
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The shrinker is used to speed up the free'ing of memory potentially held
by RCU lazy callbacks. RCU kernel module test cases show this to be
effective. Test is introduced in a later patch.
Signed-off-by: Vineeth Pillai <vineeth@bitbyteword.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This consolidates the code a bit and makes it cleaner. Functionally it
is the same.
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Implement timer-based RCU callback batching (also known as lazy
callbacks). With this we save about 5-10% of power consumed due
to RCU requests that happen when system is lightly loaded or idle.
By default, all async callbacks (queued via call_rcu) are marked
lazy. An alternate API call_rcu_hurry() is provided for the few users,
for example synchronize_rcu(), that need the old behavior.
The batch is flushed whenever a certain amount of time has passed, or
the batch on a particular CPU grows too big. Also memory pressure will
flush it in a future patch.
To handle several corner cases automagically (such as rcu_barrier() and
hotplug), we re-use bypass lists which were originally introduced to
address lock contention, to handle lazy CBs as well. The bypass list
length has the lazy CB length included in it. A separate lazy CB length
counter is also introduced to keep track of the number of lazy CBs.
[ paulmck: Fix formatting of inline call_rcu_lazy() definition. ]
[ paulmck: Apply Zqiang feedback. ]
[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]
Suggested-by: Paul McKenney <paulmck@kernel.org>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221118224540.619276-37-uwe@kleine-koenig.org
Fix the following coccicheck warning:
fs/ext4/inline.c:183: WARNING opportunity for min().
fs/ext4/extents.c:2631: WARNING opportunity for max().
fs/ext4/extents.c:2632: WARNING opportunity for min().
fs/ext4/extents.c:5559: WARNING opportunity for max().
fs/ext4/super.c:6908: WARNING opportunity for min().
min()/max() and min_t() macro is defined in include/linux/minmax.h.
It avoids multiple evaluations of the arguments when non-constant and
performs strict type-checking.
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Link: https://lore.kernel.org/r/20220817025928.612851-1-13667453960@163.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
In ext4_evict_inode(), if we evicting an inode in the 'no_delete' path,
it cannot be raced by another mark_inode_dirty(). If it happens,
someone else may accidentally dirty it without holding inode refcount
and probably cause use-after-free issues in the writeback procedure.
It's indiscoverable and hard to debug, so add an WARN_ON_ONCE() to
check and detect this issue in advance.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220629112647.4141034-2-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
The span iterator travels over the indexes of the interval_tree, not the
nodes, and classifies spans of indexes as either 'used' or 'hole'.
'used' spans are fully covered by nodes in the tree and 'hole' spans have
no node intersecting the span.
This is done greedily such that spans are maximally sized and every
iteration step switches between used/hole.
As an example a trivial allocator can be written as:
for (interval_tree_span_iter_first(&span, itree, 0, ULONG_MAX);
!interval_tree_span_iter_done(&span);
interval_tree_span_iter_next(&span))
if (span.is_hole &&
span.last_hole - span.start_hole >= allocation_size - 1)
return span.start_hole;
With all the tricky boundary conditions handled by the library code.
The following iommufd patches have several algorithms for its overlapping
node interval trees that are significantly simplified with this kind of
iteration primitive. As it seems generally useful, put it into lib/.
Link: https://lore.kernel.org/r/3-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Lixiao Yang <lixiao.yang@intel.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
These complement the group interfaces used by VFIO and are for use by
iommufd. The main difference is that multiple devices in the same group
can all share the ownership by passing the same ownership pointer.
Move the common code into shared functions.
Link: https://lore.kernel.org/r/2-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Lixiao Yang <lixiao.yang@intel.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This queries if a domain linked to a device should expect to support
enforce_cache_coherency() so iommufd can negotiate the rules for when a
domain should be shared or not.
For iommufd a device that declares IOMMU_CAP_ENFORCE_CACHE_COHERENCY will
not be attached to a domain that does not support it.
Link: https://lore.kernel.org/r/1-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Lixiao Yang <lixiao.yang@intel.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Tested-by: Yu He <yu.he@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Some more cleanup work, and a new driver for frequency hopping
controller hardware.
- Remove flags from univ/main/syspll child fixed factor clocks across
MediaTek platforms
- The idea is to not have the clk core try to reconfigure the system
PLLs, i.e. have them be stable
- Fix clock dependency for ADC on MT7986
- New driver for frequency hopping controller hardware on MT8186
- This does frequency hopping and spread spectrum clocks in hardware
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Merge tag 'mtk-clk-for-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux into clk-mediatek
Pull MediaTek clk driver changes from Chen-Yu Tsai:
Some more cleanup work, and a new driver for frequency hopping
controller hardware.
- Remove flags from univ/main/syspll child fixed factor clocks across
MediaTek platforms
- The idea is to not have the clk core try to reconfigure the system
PLLs, i.e. have them be stable
- Fix clock dependency for ADC on MT7986
- New driver for frequency hopping controller hardware on MT8186
- This does frequency hopping and spread spectrum clocks in hardware
* tag 'mtk-clk-for-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux:
clk: mediatek: fix dependency of MT7986 ADC clocks
clk: mediatek: Change PLL register API for MT8186
clk: mediatek: Add new clock driver to handle FHCTL hardware
dt-bindings: clock: mediatek: Add new bindings of MediaTek frequency hopping
clk: mediatek: Export PLL operations symbols
clk: mediatek: mt8186-topckgen: Add GPU clock mux notifier
clk: mediatek: mt8186-mfg: Propagate rate changes to parent
clk: mediatek: mt8195-topckgen: Drop flags for main/univpll fixed factors
clk: mediatek: mt8192: Drop flags for main/univpll fixed factors
clk: mediatek: mt6795-topckgen: Drop flags for main/sys/univpll fixed factors
clk: mediatek: mt8173: Drop flags for main/sys/univpll fixed factors
clk: mediatek: mt8183: Drop flags for sys/univpll fixed factors
clk: mediatek: mt8183: Compress top_divs array entries
clk: mediatek: mt8186-topckgen: Drop flags for main/univpll fixed factors
clk: mediatek: clk-mtk: Allow specifying flags on mtk_fixed_factor clocks
New boards:
- Model A and blade baseboards for the SOQuartz (rk3568) SoM,
- Anberic RG351M, RG353V, RG353VS; Odroid Go Super, Advance gaming devices
- Odroid M1
- Theobroma px30 SoM with baseboard
- Rockchip's own rk3566 demo board
Some core support for per SoC specifics:
- crypto support for rk3399 and rk3328
- second I2S controller for rk3568
- Cache properties for follow the binding for rk3308 and rk3328
Bigger device support updates for:
- SOQuartz: PCIe2, video output, gpu, HDMI sound
- Rock 3A: eth regulator, eth clock input, Wifi+Bt, I2S, PCIe3
As well as some minor extensions for Rock960 (hdmi supplies),
rk3566-roc-pc (PCIe2), Rock 4C+ (thermal support), Pinephone Pro (Wifi+Bt)
* tag 'v6.2-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: (51 commits)
arm64: dts: rockchip: update cache properties for rk3308 and rk3328
arm64: dts: rockchip: Add SOQuartz Model A baseboard
dt-bindings: arm: rockchip: Add SOQuartz Model A
arm64: dts: rockchip: Add SOQuartz blade board
dt-bindings: arm: rockchip: Add SOQuartz Blade
arm64: dts: rockchip: Add Anbernic RG351M
arm64: dts: rockchip: Add Odroid Go Super
arm64: dts: rockchip: Add Odroid Go Advance Black Edition
dt-bindings: arm: rockchip: Add more RK3326 devices
arm64: dts: rockchip: Move most of Odroid Go Advance DTS into a DTSI
arm64: dts: rockchip: Add support of regulator for ethernet node on Rock 3A SBC
arm64: dts: rockchip: Add support of external clock to ethernet node on Rock 3A SBC
arm64: dts: rockchip: Add HDMI supplies on Rock960
arm64: dts: rockchip: Add dts for rockchip rk3566 box demo board
dt-bindings: rockchip: Add Rockchip rk3566 box demo board
arm64: dts: rockchip: Enable PCIe 2 on SOQuartz CM4IO
arm64: dts: rockchip: Enable HDMI sound on SOQuartz
arm64: dts: rockchip: Enable video output and HDMI on SOQuartz
arm64: dts: rockchip: Enable GPU on SOQuartz CM4
arm64: dts: rockchip: enable pcie2 on rk3566-roc-pc
...
Link: https://lore.kernel.org/r/4716610.aeNJFYEL58@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
@pll->rate_table has allocated memory by kmemdup(), if clk_hw_register()
fails, it should be freed, otherwise it will cause memory leak issue,
this patch fixes it.
Fixes: b4cbe606dc ("clk: visconti: Add support common clock driver and reset driver")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Link: https://lore.kernel.org/r/20221122152353.204132-1-xiujianfeng@huawei.com
Acked-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
- Fix parent for FlexSPI clock for i.MX93
- Add USB suspend clock on i.MX8MP
- Unmap anatop base on error for i.MX93 driver
- Change enet clock parent to wakeup_axi_root for i.MX93
- Drop LPIT1, LPIT2, TPM1 and TPM3 clocks for i.MX93
- Mark HSIO bus clock and SYS_CNT clock as critical on i.MX93
- Add 320MHz and 640MHz entries to PLL146x
- Add audio shared gate and SAI clocks for i.MX8MP
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Merge tag 'clk-imx-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelvesa/linux into clk-imx
Pull i.MX clk driver updates from Abel Vesa:
- Fix parent for FlexSPI clock for i.MX93
- Add USB suspend clock on i.MX8MP
- Unmap anatop base on error for i.MX93 driver
- Change enet clock parent to wakeup_axi_root for i.MX93
- Drop LPIT1, LPIT2, TPM1 and TPM3 clocks for i.MX93
- Mark HSIO bus clock and SYS_CNT clock as critical on i.MX93
- Add 320MHz and 640MHz entries to PLL146x
- Add audio shared gate and SAI clocks for i.MX8MP
* tag 'clk-imx-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelvesa/linux:
clk: imx: rename imx_obtain_fixed_clk_hw() to imx_get_clk_hw_by_name()
clk: imx8mn: fix imx8mn_enet_phy_sels clocks list
clk: imx8mn: fix imx8mn_sai2_sels clocks list
clk: imx: rename video_pll1 to video_pll
clk: imx: replace osc_hdmi with dummy
clk: imx8mn: rename vpu_pll to m7_alt_pll
clk: imx: imxrt1050: add IMXRT1050_CLK_LCDIF_PIX clock gate
clk: imx: imxrt1050: fix IMXRT1050_CLK_LCDIF_APB offsets
clk: imx8mp: Add audio shared gate
dt-bindings: clock: imx8mp: Add ids for the audio shared gate
clk: imx: pll14xx: Add 320 MHz and 640 MHz entries for PLL146x
clk: imx93: keep sys ctr clock always on
clk: imx: keep hsio bus clock always on
clk: imx93: drop tpm1/3, lpit1/2 clk
dt-bindings: clock: imx93: drop TPM1/3 LPIT1/2 entry
clk: imx93: correct enet clock
clk: imx93: unmap anatop base in error handling path
clk: imx: imx8mp: add shared clk gate for usb suspend clk
dt-bindings: clocks: imx8mp: Add ID for usb suspend clock
clk: imx93: correct the flexspi1 clock setting
for a possible memory leak in the error path of PLL creation.
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Merge tag 'v6.2-rockchip-clk-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-rockchip
Pull Rockchip clk driver updates from Heiko Stuebner:
- Support for the clock and reset unit of the rk3588
- Fix a possible memory leak in the error path of PLL creation
* tag 'v6.2-rockchip-clk-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
clk: rockchip: add clock controller for the RK3588
clk: rockchip: add lookup table support
clk: rockchip: simplify rockchip_clk_add_lookup
clk: rockchip: allow additional mux options for cpu-clock frequency changes
clk: rockchip: add pll type for RK3588
clk: rockchip: add register offset of the cores select parent
dt-bindings: clock: add rk3588 cru bindings
dt-bindings: reset: add rk3588 reset definitions
dt-bindings: clock: add rk3588 clock definitions
clk: rockchip: use proper crypto0 name on rk3399
on an arch level, RISC-V defaults to FLATMEM. On PolarFire SoC, the
memory layout is almost always sparse, with a maximum of 1 GiB at
0x8000_0000 & a possible 16 GiB range at 0x10_0000_0000. The Icicle kit,
for example, has 2 GiB of DDR - so there's a big hole in the memory map
between the two gigs. Prior to v6.1-rc1, boot times from defconfig
builds were pretty bad on Icicle but enabling sparsemem would fix those
issues. As of v6.1-rc1, the Icicle kit no longer boots from defconfig
builds with the in-kernel devicetree. A change to the memory map
resulted in a futher "sparse-ification", producing a splat on boot:
OF: fdt: Ignoring memory range 0x80000000 - 0x80200000
Machine model: Microchip PolarFire-SoC Icicle Kit
earlycon: ns16550a0 at MMIO32 0x0000000020100000 (options '115200n8')
printk: bootconsole [ns16550a0] enabled
printk: debug: skip boot console de-registration.
efi: UEFI not found.
Zone ranges:
DMA32 [mem 0x0000000080200000-0x00000000ffffffff]
Normal [mem 0x0000000100000000-0x000000107fffffff]
Movable zone start for each node
Early memory node ranges
node 0: [mem 0x0000000080200000-0x00000000bfbfffff]
node 0: [mem 0x00000000bfc00000-0x00000000bfffffff]
node 0: [mem 0x0000001040000000-0x000000107fffffff]
Initmem setup node 0 [mem 0x0000000080200000-0x000000107fffffff]
Kernel panic - not syncing: Failed to allocate 1073741824 bytes for node 0 memory map
CPU: 0 PID: 0 Comm: swapper Not tainted 5.19.0-dirty #1
Hardware name: Microchip PolarFire-SoC Icicle Kit (DT)
Call Trace:
[<ffffffff800057f0>] show_stack+0x30/0x3c
[<ffffffff807d5802>] dump_stack_lvl+0x4a/0x66
[<ffffffff807d5836>] dump_stack+0x18/0x20
[<ffffffff807d1ae8>] panic+0x124/0x2c6
[<ffffffff80814064>] free_area_init_core+0x0/0x11e
[<ffffffff80813720>] free_area_init_node+0xc2/0xf6
[<ffffffff8081331e>] free_area_init+0x222/0x260
[<ffffffff808064d6>] misc_mem_init+0x62/0x9a
[<ffffffff80803cb2>] setup_arch+0xb0/0xea
[<ffffffff8080039a>] start_kernel+0x88/0x4ee
---[ end Kernel panic - not syncing: Failed to allocate 1073741824 bytes for node 0 memory map ]---
With the aim of keeping defconfig builds booting on icicle, enable
SPARSEMEM_MANUAL.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221021160028.4042304-1-conor@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Merge series from Cezary Rojewski <cezary.rojewski@intel.com>:
Leftover from recent series [1].
Following changes are proposed for the rt5682 sound card driver:
1) Move jack unassignment from platform_device->remove() to
dai_link->exit(). This is done to make jack init and deinit flows
symmetric
2) Remove platform_device->remove() function
3) Simplify card->suspend_pre() and card->resume_post() by making use of
snd_soc_card_get_codec_dai() helper
This Cadence QSPI IP has a 4-bit clock divisor field
for baud rate division. For example:
0b0000 = /2
0b0001 = /4
0b0010 = /6
...
0b1111 = /32
The maximum divisor is 32
(when div = CQSPI_REG_CONFIG_BAUD_MASK).
If we assume a reference clock of 500MHz and we set
our spi-max-frequency to something low, such as 10 MHz.
The calculated bit field for the divisor ends up being:
DIV_ROUND_UP(500000000/(2*10000000))-1 = 25
25 is 0b11001... which truncates to a divisor field of 0b1001 (or /20).
This is higher than our anticipated max-frequency of 10MHz
(500MHz/20 = 25 MHz). Instead, let's make sure we're always using
the maximum divisor (/32) in this case and give the user a warning about
the rate adjustment.
Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
Link: https://lore.kernel.org/r/20221128164147.158441-1-nathan.morrison@timesys.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use link->exit() rather than pdev->remove() to unassign jack during card
unbind procedure so codec link initialization and exit procedures are
symmetrical.
Also, there is no need to perform search for codec dai in suspend_pre()
and resume_post() ourselves. Use snd_soc_card_get_codec_dai() instead.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20221129180738.2866290-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Following commits will make use of it to find codec DAI, define it
first.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20221129180738.2866290-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Hyper-V cleanup code comes under panic path where preemption and irq
is already disabled. So calling of unregister_syscore_ops might schedule
out the thread even for the case where mutex lock is free.
hyperv_cleanup
unregister_syscore_ops
mutex_lock(&syscore_ops_lock)
might_sleep
Here might_sleep might schedule out this thread, where voluntary preemption
config is on and this thread will never comes back. And also this was added
earlier to maintain the symmetry which is not required as this can comes
during crash shutdown path only.
To prevent the same, removing unregister_syscore_ops function call.
Signed-off-by: Gaurav Kohli <gauravkohli@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1669443291-2575-1-git-send-email-gauravkohli@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Current release - new code bugs:
- eth: mlx5e:
- use kvfree() in mlx5e_accel_fs_tcp_create()
- MACsec, fix RX data path 16 RX security channel limit
- MACsec, fix memory leak when MACsec device is deleted
- MACsec, fix update Rx secure channel active field
- MACsec, fix add Rx security association (SA) rule memory leak
Previous releases - regressions:
- wifi: cfg80211: don't allow multi-BSSID in S1G
- stmmac: set MAC's flow control register to reflect current settings
- eth: mlx5:
- E-switch, fix duplicate lag creation
- fix use-after-free when reverting termination table
Previous releases - always broken:
- ipv4: fix route deletion when nexthop info is not specified
- bpf: fix a local storage BPF map bug where the value's spin lock
field can get initialized incorrectly
- tipc: re-fetch skb cb after tipc_msg_validate
- wifi: wilc1000: fix Information Element parsing
- packet: do not set TP_STATUS_CSUM_VALID on CHECKSUM_COMPLETE
- sctp: fix memory leak in sctp_stream_outq_migrate()
- can: can327: fix potential skb leak when netdev is down
- can: add number of missing netdev freeing on error paths
- aquantia: do not purge addresses when setting the number of rings
- wwan: iosm:
- fix incorrect skb length leading to truncated packet
- fix crash in peek throughput test due to skb UAF
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.1-rc8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, can and wifi.
Current release - new code bugs:
- eth: mlx5e:
- use kvfree() in mlx5e_accel_fs_tcp_create()
- MACsec, fix RX data path 16 RX security channel limit
- MACsec, fix memory leak when MACsec device is deleted
- MACsec, fix update Rx secure channel active field
- MACsec, fix add Rx security association (SA) rule memory leak
Previous releases - regressions:
- wifi: cfg80211: don't allow multi-BSSID in S1G
- stmmac: set MAC's flow control register to reflect current settings
- eth: mlx5:
- E-switch, fix duplicate lag creation
- fix use-after-free when reverting termination table
Previous releases - always broken:
- ipv4: fix route deletion when nexthop info is not specified
- bpf: fix a local storage BPF map bug where the value's spin lock
field can get initialized incorrectly
- tipc: re-fetch skb cb after tipc_msg_validate
- wifi: wilc1000: fix Information Element parsing
- packet: do not set TP_STATUS_CSUM_VALID on CHECKSUM_COMPLETE
- sctp: fix memory leak in sctp_stream_outq_migrate()
- can: can327: fix potential skb leak when netdev is down
- can: add number of missing netdev freeing on error paths
- aquantia: do not purge addresses when setting the number of rings
- wwan: iosm:
- fix incorrect skb length leading to truncated packet
- fix crash in peek throughput test due to skb UAF"
* tag 'net-6.1-rc8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (79 commits)
net: ethernet: renesas: ravb: Fix promiscuous mode after system resumed
MAINTAINERS: Update maintainer list for chelsio drivers
ionic: update MAINTAINERS entry
sctp: fix memory leak in sctp_stream_outq_migrate()
packet: do not set TP_STATUS_CSUM_VALID on CHECKSUM_COMPLETE
net/mlx5: Lag, Fix for loop when checking lag
Revert "net/mlx5e: MACsec, remove replay window size limitation in offload path"
net: marvell: prestera: Fix a NULL vs IS_ERR() check in some functions
net: tun: Fix use-after-free in tun_detach()
net: mdiobus: fix unbalanced node reference count
net: hsr: Fix potential use-after-free
tipc: re-fetch skb cb after tipc_msg_validate
mptcp: fix sleep in atomic at close time
mptcp: don't orphan ssk in mptcp_close()
dsa: lan9303: Correct stat name
ipv4: Fix route deletion when nexthop info is not specified
net: wwan: iosm: fix incorrect skb length
net: wwan: iosm: fix crash in peek throughput test
net: wwan: iosm: fix dma_alloc_coherent incompatible pointer type
net: wwan: iosm: fix kernel test robot reported error
...
The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context. We fix it by going to
err_pm instead of err_clk.
Fixes:f086ba9d5389c ("ASoC: pcm512x: Support mastering BCLK/LRCLK using the PLL")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20220928160402.126140-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
