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Commit 5a441aade5b3 ("iio: light: vcnl4000 add support for the VCNL4040
proximity and light sensor") added the support for the vcnl4040 but
forgot to add the of_compatible. Fix this by adding it now.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Fixes: 5a441aade5b3 ("iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor")
Reviewed-by: Angus Ainslie (Purism) angus@akkea.ca
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Since commit ebd457d55911 ("iio: light: vcnl4000 add devicetree hooks")
the of_match_table is supported but the data shouldn't be a string.
Instead it shall be one of 'enum vcnl4000_device_ids'. Also the matching
logic for the vcnl4020 was wrong. Since the data retrieve mechanism is
still based on the i2c_device_id no failures did appeared till now.
Fixes: ebd457d55911 ("iio: light: vcnl4000 add devicetree hooks")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Angus Ainslie (Purism) angus@akkea.ca
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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i2c controller available in st_lsm6dsx series performs i2c slave
configuration using accel clock as trigger.
st_lsm6dsx_shub_wait_complete routine is used to wait the controller has
carried out the requested configuration. However if the accel sensor is not
enabled we should not use its configured odr to estimate a proper timeout
Fixes: c91c1c844ebd ("iio: imu: st_lsm6dsx: add i2c embedded controller support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Since commit 9bcf15f75cac ("iio: adc: axp288: Fix TS-pin handling") we
preserve the bias current set by the firmware at boot. This fixes issues
we were seeing on various models, but it seems our old hardcoded 80ųA bias
current was working around a firmware bug on at least one model laptop.
In order to both have our cake and eat it, this commit adds a dmi based
list of models where we need to override the firmware set bias current and
adds the one model we now know needs this to it: The Lenovo Ideapad 100S
(11 inch version).
Fixes: 9bcf15f75cac ("iio: adc: axp288: Fix TS-pin handling")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=203829
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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In adis_update_scan_mode_burst, if adis->buffer allocation fails release
the adis->xfer.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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In adis_update_scan_mode, if allocation for adis->buffer fails,
previously allocated adis->xfer needs to be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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End of conversion may be handled by using IRQ or DMA. There may be a
race when two conversions complete at the same time on several ADCs.
EOC can be read as 'set' for several ADCs, with:
- an ADC configured to use IRQs. EOCIE bit is set. The handler is normally
called in this case.
- an ADC configured to use DMA. EOCIE bit isn't set. EOC triggers the DMA
request instead. It's then automatically cleared by DMA read. But the
handler gets called due to status bit is temporarily set (IRQ triggered
by the other ADC).
So both EOC status bit in CSR and EOCIE control bit must be checked
before invoking the interrupt handler (e.g. call ISR only for
IRQ-enabled ADCs).
Fixes: 2763ea0585c9 ("iio: adc: stm32: add optional dma support")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Move STM32 ADC registers definitions to common header.
This is precursor patch to:
- iio: adc: stm32-adc: fix a race when using several adcs with dma and irq
It keeps registers definitions as a whole block, to ease readability and
allow simple access path to EOC bits (readl) in stm32-adc-core driver.
Fixes: 2763ea0585c9 ("iio: adc: stm32: add optional dma support")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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We need to perform a reset a start up to make sure that the chip is in a
consistent state. This reset also disables all the interrupts which
should only be enabled together with the iio buffer. Not doing this, was
sometimes causing unwanted interrupts to trigger.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e5f ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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One in two sample sets was lost by multiplying fifo_set_size with
sizeof(u16). Also, the double number of available samples were pushed to
the iio buffers.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e5f ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Currently, the driver sets the FIFO_SAMPLES register with the number of
sample sets (maximum of 170 for 3 axis data, 256 for 2-axis and 512 for
single axis). However, the FIFO_SAMPLES register should store the number
of samples, regardless of how the FIFO format is configured.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e5f ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix bug in sampling function hx711_cycle() when interrupt occures while
PD_SCK is high. If PD_SCK is high for at least 60 us power down mode of
the sensor is entered which in turn leads to a wrong measurement.
Switch off interrupts during a PD_SCK high period and move query of DOUT
to the latest point of time which is at the end of PD_SCK low period.
This bug exists in the driver since it's initial addition. The more
interrupts on the system the higher is the probability that it happens.
Fixes: c3b2fdd0ea7e ("iio: adc: hx711: Add IIO driver for AVIA HX711")
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Pull rdma fixes from Jason Gunthorpe:
"The usual collection of driver bug fixes, and a few regressions from
the merge window. Nothing particularly worrisome.
- Various missed memory frees and error unwind bugs
- Fix regressions in a few iwarp drivers from 5.4 patches
- A few regressions added in past kernels
- Squash a number of races in mlx5 ODP code"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Add missing synchronize_srcu() for MW cases
RDMA/mlx5: Put live in the correct place for ODP MRs
RDMA/mlx5: Order num_pending_prefetch properly with synchronize_srcu
RDMA/odp: Lift umem_mutex out of ib_umem_odp_unmap_dma_pages()
RDMA/mlx5: Fix a race with mlx5_ib_update_xlt on an implicit MR
RDMA/mlx5: Do not allow rereg of a ODP MR
IB/core: Fix wrong iterating on ports
RDMA/nldev: Reshuffle the code to avoid need to rebind QP in error path
RDMA/cxgb4: Do not dma memory off of the stack
RDMA/cm: Fix memory leak in cm_add/remove_one
RDMA/core: Fix an error handling path in 'res_get_common_doit()'
RDMA/i40iw: Associate ibdev to netdev before IB device registration
RDMA/iwcm: Fix a lock inversion issue
RDMA/iw_cxgb4: fix SRQ access from dump_qp()
RDMA/hfi1: Prevent memory leak in sdma_init
RDMA/core: Fix use after free and refcnt leak on ndev in_device in iwarp_query_port
RDMA/siw: Fix serialization issue in write_space()
RDMA/vmw_pvrdma: Free SRQ only once
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Polaris and vegam use count for the value rather than
level. This looks like a copy paste typo from when
the code was adapted from previous asics.
I'm not sure that the SMU actually uses this value, so
I don't know that it actually is a bug per se.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=108609
Reported-by: Robert Strube <rstrube@gmail.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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cleanup error handling code and make sure temporary info array
with the handles are freed by amdgpu_bo_list_put() on
idr_replace()'s failure.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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There were a bunch of devices with qu and jf that were loading the
configuration with pu and jf, which is wrong. Fix them all
accordingly. Additionally, remove 0x1010 and 0x1210 subsytem IDs from
the list, since they are obviously wrong, and 0x0044 and 0x0244, which
were duplicate.
Cc: stable@vger.kernel.org # 5.1+
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We currently support two NICs in FW version 29, namely 7265D and 3168.
Out of these, only 7265D supports GEO SAR, so adjust the function that
checks for it accordingly.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Fixes: f5a47fae6aa3 ("iwlwifi: mvm: fix version check for GEO_TX_POWER_LIMIT support")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In iwl_pcie_ctxt_info_gen3_init there are cases that the allocated dma
memory is leaked in case of error.
DMA memories prph_scratch, prph_info, and ctxt_info_gen3 are allocated
and initialized to be later assigned to trans_pcie. But in any error case
before such assignment the allocated memories should be released.
First of such error cases happens when iwl_pcie_init_fw_sec fails.
Current implementation correctly releases prph_scratch. But in two
sunsequent error cases where dma_alloc_coherent may fail, such
releases are missing.
This commit adds release for prph_scratch when allocation for
prph_info fails, and adds releases for prph_scratch and prph_info when
allocation for ctxt_info_gen3 fails.
Fixes: 2ee824026288 ("iwlwifi: pcie: support context information for 22560 devices")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In alloc_sgtable if alloc_page fails, the alocated table should be
released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We don't handle failures in the rb_allocator workqueue allocation
correctly. To fix that, move the code earlier so the cleanup is
easier and we don't have to undo all the interrupt allocations in
this case.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We got a crash in iwl_trans_pcie_get_cmdlen(), while the TFD was
being accessed to sum up the lengths.
We want to access the TFD here, which is the information for the
hardware. We always only allocate 32 buffers for the cmd queue,
but on newer hardware (using TFH) we can also allocate only a
shorter hardware array, also only 32 TFDs. Prior to the TFH, we
had to allocate a bigger TFD array but would make those point to
a smaller set of buffers.
Additionally, now max_tfd_queue_size is up to 65536, so we can
access *way* out of bounds of a really only 32-entry array, so
it crashes.
Fix this by making the TFD index depend on which hardware we are
using right now.
While changing the calculation, also fix it to not use void ptr
arithmetic, but cast to u8 * before.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Consider the following flow:
1. Driver starts to sync the rx queues due to a delba.
mvm->queue_sync_cookie=1.
This rx-queues-sync is synchronous, so it doesn't increment the
cookie until all rx queues handle the notification from FW.
2. During this time, driver starts to sync rx queues due to nssn sync
required.
The cookie's value is still 1, but it doesn't matter since this
rx-queue-sync is non-synchronous so in the notification handler the
cookie is ignored.
What _does_ matter is that this flow increments the cookie to 2
immediately.
Remember though that the FW won't start servicing this command until
it's done with the previous one.
3. FW is still handling the first command, so it sends a notification
with internal_notif->sync=1, and internal_notif->cookie=0, which
triggers a WARN_ONCE.
The solution for this race is to only use the mvm->queue_sync_cookie in
case of a synchronous sync-rx-queues. This way in step 2 the cookie's
value won't change so we avoid the WARN.
The commit in the "fixes" field is the first commit to introduce
non-synchronous sending of this command to FW.
Fixes: 3c514bf831ac ("iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues")
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The PHY is initialized during device initialization, but devices with
the tx_siso_diversity flag set need to send PHY_CONFIGURATION_CMD first,
otherwise the PHY would be reinitialized, causing a SYSASSERT.
To fix this, use a bit that tells the FW not to complete the PHY
initialization before a PHY_CONFIGURATION_CMD is received.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We can't check for the ACPI table revision validity in the same if
where we check if the package was read correctly, because we return
PTR_ERR(pkg) and if the table is not valid but the pointer is, we
would return a valid pointer as an error. Fix that by moving the
table checks to a separate if and return -EINVAL if it's not valid.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We copy cfg->trans to trans->trans_cfg at the very beginning, so don't
try to access it via cfg->trans anymore, because the cfg may be unset
in later cases.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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If 'jmb38x_ms_count_slots()' returns 0, we must undo the previous
'pci_request_regions()' call.
Goto 'err_out_int' to fix it.
Fixes: 60fdd931d577 ("memstick: add support for JMicron jmb38x MemoryStick host controller")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Raspberry Pi 4 SDHCI hardware seems to automatically issue CMD12
after multiblock reads even when ACMD12 is disabled. This triggers
spurious interrupts after the data transfer is done with the following
message:
mmc1: Got data interrupt 0x00000002 even though no data operation was in progress.
mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00001002
mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000000
mmc1: sdhci: Argument: 0x00000000 | Trn mode: 0x00000033
mmc1: sdhci: Present: 0x1fff0000 | Host ctl: 0x00000017
mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000080
mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
mmc1: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b
mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
mmc1: sdhci: Caps: 0x45ee6432 | Caps_1: 0x0000a525
mmc1: sdhci: Cmd: 0x00000c1a | Max curr: 0x00080008
mmc1: sdhci: Resp[0]: 0x00000b00 | Resp[1]: 0x00edc87f
mmc1: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00400e00
mmc1: sdhci: Host ctl2: 0x00000001
mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xf3025208
mmc1: sdhci: ============================================
Enable SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 to enable ACMD12 on multiblock
reads and suppress the spurious interrupts.
Fixes: f84e411c85be ("mmc: sdhci-iproc: Add support for emmc2 of the BCM2711")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tested-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The configuration registers for the LED group have inverted
polarity, which puts the GPIO into open-drain state when used in
GPIO mode. Switch to '0' for GPIO and '1' for LED modes.
Fixes: 87466ccd9401 ("pinctrl: armada-37xx: Add pin controller support for Armada 37xx")
Signed-off-by: Patrick Williams <alpawi@amazon.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191001155154.99710-1-alpawi@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
A number of fixes:
* allow scanning when operating on radar channels in
ETSI regdomains
* accept deauth frames in IBSS - we have code to parse
and handle them, but were dropping them early
* fix an allocation failure path in hwsim
* fix a failure path memory leak in nl80211 FTM code
* fix RCU handling & locking in multi-BSSID parsing
* reject malformed SSID in mac80211 (this shouldn't
really be able to happen, but defense in depth)
* avoid userspace buffer overrun in ancient wext code
if SSID was too long
====================
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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The driver would fail to deregister and its class device and free
related resources on late probe errors.
Reported-by: syzbot+cb035c75c03dbe34b796@syzkaller.appspotmail.com
Fixes: 32ecc75ded72 ("NFC: pn533: change order operations in dev registation")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Commit c394159310d0 ("Input: soc_button_array - add support for newer
surface devices") not only added support for the MSHW0040 ACPI HID,
but for some reason it also makes changes to the error handling of the
soc_button_lookup_gpio() call in soc_button_device_create(). Note ideally
this seamingly unrelated change would have been made in a separate commit,
with a message explaining the what and why of this change.
I guess this change may have been added to deal with -EPROBE_DEFER errors,
but in case of the existing support for PNP0C40 devices, treating
-EPROBE_DEFER as any other error is deliberate, see the comment this
commit adds for why.
The actual returning of -EPROBE_DEFER to the caller of soc_button_probe()
introduced by the new error checking causes a serious regression:
On devices with so called virtual GPIOs soc_button_lookup_gpio() will
always return -EPROBE_DEFER for these fake GPIOs, when this happens
during the second call of soc_button_device_create() we already have
successfully registered our first child. This causes the kernel to think
we are making progress with probing things even though we unregister the
child before again before we return the -EPROBE_DEFER. Since we are making
progress the kernel will retry deferred-probes again immediately ending
up stuck in a loop with the following showing in dmesg:
[ 124.022697] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6537
[ 124.040764] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6538
[ 124.056967] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6539
[ 124.072143] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6540
[ 124.092373] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6541
[ 124.108065] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6542
[ 124.128483] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6543
[ 124.147141] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6544
[ 124.165070] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6545
[ 124.179775] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6546
[ 124.202726] input: gpio-keys as /devices/platform/INTCFD9:00/gpio-keys.0.auto/input/input6547
<continues on and on and on>
And 1 CPU core being stuck at 100% and udev hanging since it is waiting
for the modprobe of soc_button_array to return.
This patch reverts the soc_button_lookup_gpio() error handling changes,
fixing this regression.
Fixes: c394159310d0 ("Input: soc_button_array - add support for newer surface devices")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205031
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20191005105551.353273-1-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Duplicate rules were not allowed to be configured with SW steering.
This restriction caused failures with the replace rule logic done by
upper layers.
This fix allows for multiple rules with the same match values, in
such case the first inserted rules will match.
Fixes: 41d07074154c ("net/mlx5: DR, Expose steering rule functionality")
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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drivers/md/dm-clone-target.c:594:34: warning:
symbol '__hash_find' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- don't clear FLAG_IS_OUT when emulating open drain/source in gpiolib
- fix up the usage of nonexclusive GPIO descriptors from device trees
- fix the incorrect IEC offset when toggling trigger edge in the
Spreadtrum driver
- use the correct unit for debounce settings in the MAX77620 driver
* tag 'gpio-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: max77620: Use correct unit for debounce times
gpio: eic: sprd: Fix the incorrect EIC offset when toggling
gpio: fix getting nonexclusive gpiods from DT
gpiolib: don't clear FLAG_IS_OUT when emulating open-drain/open-source
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The driver does not use input subsystem so we do not need this header,
and it is being removed, so stop pulling it in.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently the check for tbl_size being less than zero is always false
because tbl_size is unsigned. Fix this by making it a signed int.
Addresses-Coverity: ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Cc: linux-efi@vger.kernel.org
Fixes: e658c82be556 ("efi/tpm: Only set 'efi_tpm_final_log_size' after successful event log parsing")
Link: https://lkml.kernel.org/r/20191008100153.8499-1-colin.king@canonical.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The read is not needed as we overwrite the returned value in the next
line anyway so drop it.
Fixes: 3cdb9446a117 ("thunderbolt: Add support for Intel Ice Lake")
Reported-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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When lockdep is enabled, plugging Thunderbolt dock on Dominik's laptop
triggers following splat:
======================================================
WARNING: possible circular locking dependency detected
5.3.0-rc6+ #1 Tainted: G T
------------------------------------------------------
pool-/usr/lib/b/1258 is trying to acquire lock:
000000005ab0ad43 (pci_rescan_remove_lock){+.+.}, at: authorized_store+0xe8/0x210
but task is already holding lock:
00000000bfb796b5 (&tb->lock){+.+.}, at: authorized_store+0x7c/0x210
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&tb->lock){+.+.}:
__mutex_lock+0xac/0x9a0
tb_domain_add+0x2d/0x130
nhi_probe+0x1dd/0x330
pci_device_probe+0xd2/0x150
really_probe+0xee/0x280
driver_probe_device+0x50/0xc0
bus_for_each_drv+0x84/0xd0
__device_attach+0xe4/0x150
pci_bus_add_device+0x4e/0x70
pci_bus_add_devices+0x2e/0x66
pci_bus_add_devices+0x59/0x66
pci_bus_add_devices+0x59/0x66
enable_slot+0x344/0x450
acpiphp_check_bridge.part.0+0x119/0x150
acpiphp_hotplug_notify+0xaa/0x140
acpi_device_hotplug+0xa2/0x3f0
acpi_hotplug_work_fn+0x1a/0x30
process_one_work+0x234/0x580
worker_thread+0x50/0x3b0
kthread+0x10a/0x140
ret_from_fork+0x3a/0x50
-> #0 (pci_rescan_remove_lock){+.+.}:
__lock_acquire+0xe54/0x1ac0
lock_acquire+0xb8/0x1b0
__mutex_lock+0xac/0x9a0
authorized_store+0xe8/0x210
kernfs_fop_write+0x125/0x1b0
vfs_write+0xc2/0x1d0
ksys_write+0x6c/0xf0
do_syscall_64+0x50/0x180
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&tb->lock);
lock(pci_rescan_remove_lock);
lock(&tb->lock);
lock(pci_rescan_remove_lock);
*** DEADLOCK ***
5 locks held by pool-/usr/lib/b/1258:
#0: 000000003df1a1ad (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x4d/0x60
#1: 0000000095a40b02 (sb_writers#6){.+.+}, at: vfs_write+0x185/0x1d0
#2: 0000000017a7d714 (&of->mutex){+.+.}, at: kernfs_fop_write+0xf2/0x1b0
#3: 000000004f262981 (kn->count#208){.+.+}, at: kernfs_fop_write+0xfa/0x1b0
#4: 00000000bfb796b5 (&tb->lock){+.+.}, at: authorized_store+0x7c/0x210
stack backtrace:
CPU: 0 PID: 1258 Comm: pool-/usr/lib/b Tainted: G T 5.3.0-rc6+ #1
On an system using ACPI hotplug the host router gets hotplugged first and then
the firmware starts sending notifications about connected devices so the above
scenario should not happen in reality. However, after taking a second
look at commit a03e828915c0 ("thunderbolt: Serialize PCIe tunnel
creation with PCI rescan") that introduced the locking, I don't think it
is actually correct. It may have cured the symptom but probably the real
root cause was somewhere closer to PCI stack and possibly is already
fixed with recent kernels. I also tried to reproduce the original issue
with the commit reverted but could not.
So to keep lockdep happy and the code bit less complex drop calls to
pci_lock_rescan_remove()/pci_unlock_rescan_remove() in
tb_switch_set_authorized() effectively reverting a03e828915c0.
Link: https://lkml.org/lkml/2019/8/30/513
Fixes: a03e828915c0 ("thunderbolt: Serialize PCIe tunnel creation with PCI rescan")
Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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When we discover existing DP tunnels the code checks whether DP IN
adapter port is enabled by calling tb_dp_port_is_enabled() before it
continues the discovery process. On Light Ridge (gen 1) controller
reading only the first dword of the DP IN config space causes subsequent
access to the same DP IN port path config space to fail or return
invalid data as can be seen in the below splat:
thunderbolt 0000:07:00.0: CFG_ERROR(0:d): Invalid config space or offset
Call Trace:
tb_cfg_read+0xb9/0xd0
__tb_path_deactivate_hop+0x98/0x210
tb_path_activate+0x228/0x7d0
tb_tunnel_restart+0x95/0x200
tb_handle_hotplug+0x30e/0x630
process_one_work+0x1b4/0x340
worker_thread+0x44/0x3d0
kthread+0xeb/0x120
? process_one_work+0x340/0x340
? kthread_park+0xa0/0xa0
ret_from_fork+0x1f/0x30
If both DP In adapter config dwords are read in one go the issue does
not reproduce. This is likely firmware bug but we can work it around by
always reading the two dwords in one go. There should be no harm for
other controllers either so can do it unconditionally.
Link: https://lkml.org/lkml/2019/8/28/160
Reported-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes
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The panel-tpo-td043mtea1 driver incorrectly includes the OF vendor
prefix in its SPI alias. Fix it, and move the manual alias to an SPI
module device table.
Fixes: dc2e1e5b2799 ("drm/panel: Add driver for the Toppoly TD043MTEA1 panel")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-6-laurent.pinchart@ideasonboard.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
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The panel-tpo-td028ttec1 driver incorrectly includes the OF vendor
prefix in its SPI alias. Fix it.
Fixes: 415b8dd08711 ("drm/panel: Add driver for the Toppoly TD028TTEC1 panel")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-5-laurent.pinchart@ideasonboard.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: Andreas Kemnade <andreas@kemnade.info>
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The panel-sony-acx565akm driver incorrectly includes the OF vendor
prefix in its SPI alias. Fix it, and move the manual alias to an SPI
module device table.
Fixes: 1c8fc3f0c5d2 ("drm/panel: Add driver for the Sony ACX565AKM panel")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-4-laurent.pinchart@ideasonboard.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The panel-nec-nl8048hl11 driver incorrectly includes the OF vendor
prefix in its SPI alias. Fix it, and move the manual alias to an SPI
module device table.
Fixes: df439abe6501 ("drm/panel: Add driver for the NEC NL8048HL11 panel")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-3-laurent.pinchart@ideasonboard.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The panel-lg-lb035q02 driver incorrectly includes the OF vendor prefix
in its SPI alias. Fix it, and move the manual alias to an SPI module
device table.
Fixes: f5b0c6542476 ("drm/panel: Add driver for the LG Philips LB035Q02 panel")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191007170801.27647-2-laurent.pinchart@ideasonboard.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fix typo s/mechansim/mechanism/
Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since dropping the set-to-gtt-domain in commit a679f58d0510 ("drm/i915:
Flush pages on acquisition"), we no longer mark the contents as dirty on
a write fault. This has the issue of us then not marking the pages as
dirty on releasing the buffer, which means the contents are not written
out to the swap device (should we ever pick that buffer as a victim).
Notably, this is visible in the dumb buffer interface used for cursors.
Having updated the cursor contents via mmap, and swapped away, if the
shrinker should evict the old cursor, upon next reuse, the cursor would
be invisible.
E.g. echo 80 > /proc/sys/kernel/sysrq ; echo f > /proc/sysrq-trigger
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111541
Fixes: a679f58d0510 ("drm/i915: Flush pages on acquisition")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.2+
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190920121821.7223-1-chris@chris-wilson.co.uk
(cherry picked from commit 5028851cdfdf78dc22eacbc44a0ab0b3f599ee4a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Force bonded requests to run on distinct engines so that they cannot be
shuffled onto the same engine where timeslicing will reverse the order.
A bonded request will often wait on a semaphore signaled by its master,
creating an implicit dependency -- if we ignore that implicit dependency
and allow the bonded request to run on the same engine and before its
master, we will cause a GPU hang. [Whether it will hang the GPU is
debatable, we should keep on timeslicing and each timeslice should be
"accidentally" counted as forward progress, in which case it should run
but at one-half to one-third speed.]
We can prevent this inversion by restricting which engines we allow
ourselves to jump to upon preemption, i.e. baking in the arrangement
established at first execution. (We should also consider capturing the
implicit dependency using i915_sched_add_dependency(), but first we need
to think about the constraints that requires on the execution/retirement
ordering.)
Fixes: 8ee36e048c98 ("drm/i915/execlists: Minimalistic timeslicing")
References: ee1136908e9b ("drm/i915/execlists: Virtual engine bonding")
Testcase: igt/gem_exec_balancer/bonded-slice
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923152844.8914-3-chris@chris-wilson.co.uk
(cherry picked from commit e2144503bf3b22275dd33cef2880e1cb5fb200c5)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The officially validated plane width limit is 4k on skl+, however
we already had people using 5k displays before we started to enforce
the limit. Also it seems Windows allows 5k resolutions as well
(though not sure if they do it with one plane or two).
According to hw folks 5k should work with the possible
exception of the following features:
- Ytile (already limited to 4k)
- FP16 (already limited to 4k)
- render compression (already limited to 4k)
- KVMR sprite and cursor (don't care)
- horizontal panning (need to verify this)
- pipe and plane scaling (need to verify this)
So apart from last two items on that list we are already
fine. We should really verify what happens with those last
two items but I don't have a 5k display on hand atm so it'll
have to wait.
In the meantime let's just bump the limit back up to 5k since
several users have already been using it without apparent issues.
At least we'll be no worse off than we were prior to lowering
the limits.
Cc: stable@vger.kernel.org
Cc: Sean Paul <sean@poorly.run>
Cc: José Roberto de Souza <jose.souza@intel.com>
Tested-by: Leho Kraav <leho@kraav.com>
Fixes: 372b9ffb5799 ("drm/i915: Fix skl+ max plane width")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111501
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190905135044.2001-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Sean Paul <sean@poorly.run>
(cherry picked from commit bed34ef544f9ab37ab349c04cf4142282c4dcf5d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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When using virtual engines, the rq->engine is not stable until we hold
the engine->active.lock (as the virtual engine may be exchanged with the
sibling). Since commit 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
we may retire a request concurrently with resubmitting it to HW, we need
to be extra careful to verify we are holding the correct lock for the
request's active list. This is similar to the issue we saw with
rescheduling the virtual requests, see sched_lock_engine().
Or else:
<4> [876.736126] list_add corruption. prev->next should be next (ffff8883f931a1f8), but was dead000000000100. (prev=ffff888361ffa610).
<4> [876.736136] WARNING: CPU: 2 PID: 21 at lib/list_debug.c:28 __list_add_valid+0x4d/0x70
<4> [876.736137] Modules linked in: i915(+) amdgpu gpu_sched ttm vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_nhlt snd_hda_codec snd_hwdep snd_hda_core ghash_clmulni_intel e1000e cdc_ether usbnet mii snd_pcm ptp pps_core mei_me mei prime_numbers btusb btrtl btbcm btintel bluetooth ecdh_generic ecc [last unloaded: i915]
<4> [876.736154] CPU: 2 PID: 21 Comm: ksoftirqd/2 Tainted: G U 5.3.0-CI-CI_DRM_6898+ #1
<4> [876.736156] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3183.A00.1905020411 05/02/2019
<4> [876.736157] RIP: 0010:__list_add_valid+0x4d/0x70
<4> [876.736159] Code: c3 48 89 d1 48 c7 c7 20 33 0e 82 48 89 c2 e8 4a 4a bc ff 0f 0b 31 c0 c3 48 89 c1 4c 89 c6 48 c7 c7 70 33 0e 82 e8 33 4a bc ff <0f> 0b 31 c0 c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 c0 33 0e 82 e8
<4> [876.736160] RSP: 0018:ffffc9000018bd30 EFLAGS: 00010082
<4> [876.736162] RAX: 0000000000000000 RBX: ffff888361ffc840 RCX: 0000000000000104
<4> [876.736163] RDX: 0000000080000104 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [876.736164] RBP: ffffc9000018bd68 R08: 0000000000000000 R09: 0000000000000001
<4> [876.736165] R10: 00000000aed95de3 R11: 000000007fe927eb R12: ffff888361ffca10
<4> [876.736166] R13: ffff888361ffa610 R14: ffff888361ffc880 R15: ffff8883f931a1f8
<4> [876.736168] FS: 0000000000000000(0000) GS:ffff88849fd00000(0000) knlGS:0000000000000000
<4> [876.736169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [876.736170] CR2: 00007f093a9173c0 CR3: 00000003bba08005 CR4: 0000000000760ee0
<4> [876.736171] PKRU: 55555554
<4> [876.736172] Call Trace:
<4> [876.736226] __i915_request_submit+0x152/0x370 [i915]
<4> [876.736263] __execlists_submission_tasklet+0x6da/0x1f50 [i915]
<4> [876.736293] ? execlists_submission_tasklet+0x29/0x50 [i915]
<4> [876.736321] execlists_submission_tasklet+0x34/0x50 [i915]
<4> [876.736325] tasklet_action_common.isra.5+0x47/0xb0
<4> [876.736328] __do_softirq+0xd8/0x4ae
<4> [876.736332] ? smpboot_thread_fn+0x23/0x280
<4> [876.736334] ? smpboot_thread_fn+0x6b/0x280
<4> [876.736336] run_ksoftirqd+0x2b/0x50
<4> [876.736338] smpboot_thread_fn+0x1d3/0x280
<4> [876.736341] ? sort_range+0x20/0x20
<4> [876.736343] kthread+0x119/0x130
<4> [876.736345] ? kthread_park+0xa0/0xa0
<4> [876.736347] ret_from_fork+0x24/0x50
<4> [876.736353] irq event stamp: 2290145
<4> [876.736356] hardirqs last enabled at (2290144): [<ffffffff8123cde8>] __slab_free+0x3e8/0x500
<4> [876.736358] hardirqs last disabled at (2290145): [<ffffffff819cfb4d>] _raw_spin_lock_irqsave+0xd/0x50
<4> [876.736360] softirqs last enabled at (2290114): [<ffffffff81c0033e>] __do_softirq+0x33e/0x4ae
<4> [876.736361] softirqs last disabled at (2290119): [<ffffffff810b815b>] run_ksoftirqd+0x2b/0x50
<4> [876.736363] WARNING: CPU: 2 PID: 21 at lib/list_debug.c:28 __list_add_valid+0x4d/0x70
<4> [876.736364] ---[ end trace 3e58d6c7356c65bf ]---
<4> [876.736406] ------------[ cut here ]------------
<4> [876.736415] list_del corruption. prev->next should be ffff888361ffca10, but was ffff88840ac2c730
<4> [876.736421] WARNING: CPU: 2 PID: 5490 at lib/list_debug.c:53 __list_del_entry_valid+0x79/0x90
<4> [876.736422] Modules linked in: i915(+) amdgpu gpu_sched ttm vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_nhlt snd_hda_codec snd_hwdep snd_hda_core ghash_clmulni_intel e1000e cdc_ether usbnet mii snd_pcm ptp pps_core mei_me mei prime_numbers btusb btrtl btbcm btintel bluetooth ecdh_generic ecc [last unloaded: i915]
<4> [876.736433] CPU: 2 PID: 5490 Comm: i915_selftest Tainted: G U W 5.3.0-CI-CI_DRM_6898+ #1
<4> [876.736435] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3183.A00.1905020411 05/02/2019
<4> [876.736436] RIP: 0010:__list_del_entry_valid+0x79/0x90
<4> [876.736438] Code: 0b 31 c0 c3 48 89 fe 48 c7 c7 30 34 0e 82 e8 ae 49 bc ff 0f 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 68 34 0e 82 e8 97 49 bc ff <0f> 0b 31 c0 c3 48 c7 c7 a8 34 0e 82 e8 86 49 bc ff 0f 0b 31 c0 c3
<4> [876.736439] RSP: 0018:ffffc900003ef758 EFLAGS: 00010086
<4> [876.736440] RAX: 0000000000000000 RBX: ffff888361ffc840 RCX: 0000000000000002
<4> [876.736442] RDX: 0000000080000002 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [876.736443] RBP: ffffc900003ef780 R08: 0000000000000000 R09: 0000000000000001
<4> [876.736444] R10: 000000001418e4b7 R11: 000000007f0ea93b R12: ffff888361ffcab8
<4> [876.736445] R13: ffff88843b6d0000 R14: 000000000000217c R15: 0000000000000001
<4> [876.736447] FS: 00007f4e6f255240(0000) GS:ffff88849fd00000(0000) knlGS:0000000000000000
<4> [876.736448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [876.736449] CR2: 00007f093a9173c0 CR3: 00000003bba08005 CR4: 0000000000760ee0
<4> [876.736450] PKRU: 55555554
<4> [876.736451] Call Trace:
<4> [876.736488] i915_request_retire+0x224/0x8e0 [i915]
<4> [876.736521] i915_request_create+0x4b/0x1b0 [i915]
<4> [876.736550] nop_virtual_engine+0x230/0x4d0 [i915]
Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111695
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190918145453.8800-1-chris@chris-wilson.co.uk
(cherry picked from commit 37fa0de3c137d5f54f7e64f53495c9d501d42a4d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
|
