Add the list of clocks for the Unisoc UMS512, along with clock
initialization.
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Link: https://lore.kernel.org/r/20220909152421.278662-3-gengcixi@gmail.com
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Replace URL with an updated path to the full Documentation page
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Replace URL with an updated path to the full Documentation page
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Replace out-of-date external links with references to the kernel
documentation, replacing TAP webpage for the more appropriate KTAP
documentation and the UML webpage by its documentation.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Describe the objective of the Getting Started page, which should be a
brief and beginner-friendly walkthrough for running and writing tests,
showing the reader where to find detailed instructions in other pages.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by:Sadiya Kazi<Sadiaykazi@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Reword "Creating a ``.kunitconfig``" into "Selecting which tests to run"
covering the current alternatives for editing configs and glob-filtering
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by:Sadiya Kazi <Sadiyakazi@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The "Getting Started" guide should be beginner-friendly, therefore
add a note about the requirement of a clean source tree when running
kunit_tool for the first time, and its related error.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Delete "kunit-tool.rst" to remove repeated info from KUnit docs.
"What is kunit_tool?" was integrated into index.rst, the remaining
sections were moved into run_wrapper.rst and renamed as follows:
"What is a .kunitconfig?" -> "Creating a ``.kunitconfig`` file"
"Getting Started with kunit_tool" -> "Running tests with kunit_tool"
"Configuring, Building, and Running Tests" ->
"Configuring, building, and running tests"
"Running Tests on QEMU" -> "Running tests on QEMU"
"Parsing Test Results" -> "Parsing test results"
"Filtering Tests" -> "Filtering tests"
"Other Useful Options" -> "Running command-line arguments"
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: Sadiya Kazi <sadiyakazi@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add an organic link to the "other kinds of tests" in the index page
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The section was rewritten but its anchor got left behind.
Fix the anchor and add some references to running on QEMU.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Use the same wording when citing and describing Kunit parts.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Sadiya Kazi <sadiyakazi@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Because KUnit test execution is not a guarantee with the kunit.enable
parameter we want to be careful to only taint the kernel when actual
tests run. Calling module_info(test, "Y") for every KUnit module
automatically causes the kernel to be tainted upon module load. Therefore,
we're removing this call and relying on the KUnit framework to taint the
kernel or not.
Signed-off-by: Joe Fradley <joefradley@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This patch adds the kunit.enable module parameter that will need to be
set to true in addition to KUNIT being enabled for KUnit tests to run.
The default value is true giving backwards compatibility. However, for
the production+testing use case the new config option
KUNIT_DEFAULT_ENABLED can be set to N requiring the tester to opt-in
by passing kunit.enable=1 to the kernel.
Signed-off-by: Joe Fradley <joefradley@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
With
$ kunit.py run --raw_output=all ...
you get the raw output from the kernel, e.g. something like
> TAP version 14
> 1..26
> # Subtest: time_test_cases
> 1..1
> ok 1 - time64_to_tm_test_date_range
> ok 1 - time_test_cases
But --raw_output=kunit or equivalently --raw_output, you get
> TAP version 14
> 1..26
> # Subtest: time_test_cases
> 1..1
> ok 1 - time64_to_tm_test_date_range
> ok 1 - time_test_cases
It looks less readable in my opinion, and it also isn't "raw output."
This is due to sharing code with kunit_parser.py, which wants to strip
leading whitespace since it uses anchored regexes.
We could update the kunit_parser.py code to tolerate leaading spaces,
but this patch takes the easier way out and adds a bool flag.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add a new label to deduplicate skipping device code in the
acpi_lpss_create_device(). No functional change intended.
While at it, convert the last conditional to use the classical
pattern, i.e.
if (err)
...handle err...
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After the commit 6505e452371d ("ACPI: LPSS: Use the helper
acpi_dev_get_memory_resources()") the list is empty or
contains only resource of IORESOURCE_MEM type. Hence, no
need to check for the type, and since we break after the
first found, no need to iterate over full list. That said,
replace loop with first entry retrieval.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge changes related to ACPI device enumeration and ACPI support for
platform devices for 6.1-rc1:
- Clean up ACPI platform devices support code (Andy Shevchenko, John
Garry).
- Clean up ACPI bus management code (Andy Shevchenko, ye xingchen).
- Add support for multiple DMA windows with different offsets to the
ACPI device enumeration code and use it on LoongArch (Jianmin Lv).
* acpi-scan:
LoongArch: Use acpi_arch_dma_setup() and remove ARCH_HAS_PHYS_TO_DMA
ACPI: scan: Support multiple DMA windows with different offsets
* acpi-bus:
ACPI: bus: Refactor ACPI matching functions for better readability
ACPI: bus: Drop kernel doc annotation from acpi_bus_notify()
ACPI: bus: Remove the unneeded result variable
* acpi-platform:
ACPI: platform: Use PLATFORM_DEVID_NONE in acpi_create_platform_device()
ACPI: platform: Sort forbidden_id_list[] in ascending order
ACPI: platform: Use sizeof(*pointer) instead of sizeof(type)
ACPI: platform: Remove redundant print on -ENOMEM
ACPI: platform: Get rid of redundant 'else'
Merge ACPI resource management and ACPI power management chages for
6.1-rc1:
- Filter out non-memory resources in is_memory(), add a helper
function to find all memory type resources of an ACPI device object
and use that function in 3 places (Heikki Krogerus).
- Add IRQ override quirks for Asus Vivobook K3402ZA/K3502ZA and ASUS
model S5402ZA (Tamim Khan, Kellen Renshaw).
- Fix acpi_dev_state_d0() kerneldoc (Sakari Ailus).
- Fix up suspend-to-idle support on ASUS Rembrandt laptops (Mario
Limonciello).
* acpi-resource:
ACPI: resource: Add ASUS model S5402ZA to quirks
usb: typec: intel_pmc_mux: Use the helper acpi_dev_get_memory_resources()
ACPI: resource: Skip IRQ override on Asus Vivobook K3402ZA/K3502ZA
ACPI: LPSS: Use the helper acpi_dev_get_memory_resources()
ACPI: APD: Use the helper acpi_dev_get_memory_resources()
ACPI: resource: Add helper function acpi_dev_get_memory_resources()
ACPI: resource: Filter out the non memory resources in is_memory()
* acpi-pm:
ACPI: x86: s2idle: Add another ID to s2idle_dmi_table
ACPI: x86: s2idle: Fix a NULL pointer dereference
ACPI: x86: s2idle: Add a quirk for ASUSTeK COMPUTER INC. ROG Flow X13
ACPI: x86: s2idle: Add a quirk for Lenovo Slim 7 Pro 14ARH7
ACPI: x86: s2idle: Add a quirk for ASUS ROG Zephyrus G14
ACPI: x86: s2idle: Add a quirk for ASUS TUF Gaming A17 FA707RE
ACPI: x86: s2idle: Add module parameter to prefer Microsoft GUID
ACPI: x86: s2idle: If a new AMD _HID is missing assume Rembrandt
ACPI: x86: s2idle: Move _HID handling for AMD systems into structures
ACPI: PM: Fix acpi_dev_state_d0() kerneldoc
Merge changes regarding the management of ACPI device objects for
6.1-rc1:
- Rename ACPI device object reference counting functions (Rafael
Wysocki).
- Rearrange ACPI device object initialization code (Rafael Wysocki).
- Drop parent field from struct acpi_device (Rafael Wysocki).
- Extend the the int3472-tps68470 driver to support multiple consumers
of a single TPS68470 along with the requisite framework-level
support (Daniel Scally).
* acpi-dev:
platform/x86: int3472: Add board data for Surface Go2 IR camera
platform/x86: int3472: Support multiple gpio lookups in board data
platform/x86: int3472: Support multiple clock consumers
ACPI: bus: Add iterator for dependent devices
ACPI: scan: Add acpi_dev_get_next_consumer_dev()
ACPI: property: Use acpi_dev_parent()
ACPI: Drop redundant acpi_dev_parent() header
ACPI: PM: Fix NULL argument handling in acpi_device_get/set_power()
ACPI: Drop parent field from struct acpi_device
ACPI: scan: Eliminate __acpi_device_add()
ACPI: scan: Rearrange initialization of ACPI device objects
ACPI: scan: Rename acpi_bus_get_parent() and rearrange it
ACPI: Rename acpi_bus_get/put_acpi_device()
When converting to directly create the vfio_device the mdev driver has to
put a vfio_register_emulated_iommu_dev() in the probe() and a pairing
vfio_unregister_group_dev() in the remove.
This was missed for gvt, add it.
Cc: stable@vger.kernel.org
Fixes: 978cf586ac ("drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev")
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/0-v1-013609965fe8+9d-vfio_gvt_unregister_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
On one of the Chrome system, if we define more than 12 trip points,
probe for thermal sensor fails with
"int3403 thermal: probe of INTC1046:03 failed with error -22"
and throws an error as
"thermal_sys: Error: Incorrect number of thermal trips".
The thermal_zone_device_register() interface needs maximum
number of trip points supported in a zone as an argument.
This number can't exceed THERMAL_MAX_TRIPS, which is currently
set to 12. To address this issue, THERMAL_MAX_TRIPS value
has to be increased.
This interface also has an argument to specify a mask of trips
which are writable. This mask is defined as an int.
This mask sets the ceiling for increasing maximum number of
supported trips. With the current implementation, maximum number
of trips can be supported is 31.
Also, THERMAL_MAX_TRIPS macro is used in one place only.
So, remove THERMAL_MAX_TRIPS macro and compare num_trips
directly with using a macro BITS_PER_TYPE(int)-1.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It turns out Apple doesn't capitalise the "mini" in "Macmini" in DMI, which
is inconsistent with other model line names.
Correct the capitalisation of Macmini in the quirk for skipping loading
platform certs on T2 Macs.
Currently users get:
------------[ cut here ]------------
[Firmware Bug]: Page fault caused by firmware at PA: 0xffffa30640054000
WARNING: CPU: 1 PID: 8 at arch/x86/platform/efi/quirks.c:735 efi_crash_gracefully_on_page_fault+0x55/0xe0
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u12:0 Not tainted 5.18.14-arch1-2-t2 #1 4535eb3fc40fd08edab32a509fbf4c9bc52d111e
Hardware name: Apple Inc. Macmini8,1/Mac-7BA5B2DFE22DDD8C, BIOS 1731.120.10.0.0 (iBridge: 19.16.15071.0.0,0) 04/24/2022
Workqueue: efi_rts_wq efi_call_rts
...
---[ end trace 0000000000000000 ]---
efi: Froze efi_rts_wq and disabled EFI Runtime Services
integrity: Couldn't get size: 0x8000000000000015
integrity: MODSIGN: Couldn't get UEFI db list
efi: EFI Runtime Services are disabled!
integrity: Couldn't get size: 0x8000000000000015
integrity: Couldn't get UEFI dbx list
Fixes: 155ca952c7 ("efi: Do not import certificates from UEFI Secure Boot for T2 Macs")
Cc: stable@vger.kernel.org
Cc: Aditya Garg <gargaditya08@live.com>
Tested-by: Samuel Jiang <chyishian.jiang@gmail.com>
Signed-off-by: Orlando Chamberlain <redecorating@protonmail.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Few stack changes and lots of driver changes in this round. brcmfmac
has more activity as usual and it gets new hardware support. ath11k
improves WCN6750 support and also other smaller features. And of
course changes all over.
Note: in early September wireless tree was merged to wireless-next to
avoid some conflicts with mac80211 patches, this shouldn't cause any
problems but wanted to mention anyway.
Major changes:
mac80211
* refactoring and preparation for Wi-Fi 7 Multi-Link Operation (MLO)
feature continues
brcmfmac
* support CYW43439 SDIO chipset
* support BCM4378 on Apple platforms
* support CYW89459 PCIe chipset
rtw89
* more work to get rtw8852c supported
* P2P support
* support for enabling and disabling MSDU aggregation via nl80211
mt76
* tx status reporting improvements
ath11k
* cold boot calibration support on WCN6750
* Target Wake Time (TWT) debugfs support for STA interface
* support to connect to a non-transmit MBSSID AP profile
* enable remain-on-channel support on WCN6750
* implement SRAM dump debugfs interface
* enable threaded NAPI on all hardware
* WoW support for WCN6750
* support to provide transmit power from firmware via nl80211
* support to get power save duration for each client
* spectral scan support for 160 MHz
wcn36xx
* add SNR from a received frame as a source of system entropy
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Merge tag 'wireless-next-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.1
Few stack changes and lots of driver changes in this round. brcmfmac
has more activity as usual and it gets new hardware support. ath11k
improves WCN6750 support and also other smaller features. And of
course changes all over.
Note: in early September wireless tree was merged to wireless-next to
avoid some conflicts with mac80211 patches, this shouldn't cause any
problems but wanted to mention anyway.
Major changes:
mac80211
- refactoring and preparation for Wi-Fi 7 Multi-Link Operation (MLO)
feature continues
brcmfmac
- support CYW43439 SDIO chipset
- support BCM4378 on Apple platforms
- support CYW89459 PCIe chipset
rtw89
- more work to get rtw8852c supported
- P2P support
- support for enabling and disabling MSDU aggregation via nl80211
mt76
- tx status reporting improvements
ath11k
- cold boot calibration support on WCN6750
- Target Wake Time (TWT) debugfs support for STA interface
- support to connect to a non-transmit MBSSID AP profile
- enable remain-on-channel support on WCN6750
- implement SRAM dump debugfs interface
- enable threaded NAPI on all hardware
- WoW support for WCN6750
- support to provide transmit power from firmware via nl80211
- support to get power save duration for each client
- spectral scan support for 160 MHz
wcn36xx
- add SNR from a received frame as a source of system entropy
* tag 'wireless-next-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (231 commits)
wifi: rtl8xxxu: Improve rtl8xxxu_queue_select
wifi: rtl8xxxu: Fix AIFS written to REG_EDCA_*_PARAM
wifi: rtl8xxxu: gen2: Enable 40 MHz channel width
wifi: rtw89: 8852b: configure DLE mem
wifi: rtw89: check DLE FIFO size with reserved size
wifi: rtw89: mac: correct register of report IMR
wifi: rtw89: pci: set power cut closed for 8852be
wifi: rtw89: pci: add to do PCI auto calibration
wifi: rtw89: 8852b: implement chip_ops::{enable,disable}_bb_rf
wifi: rtw89: add DMA busy checking bits to chip info
wifi: rtw89: mac: define DMA channel mask to avoid unsupported channels
wifi: rtw89: pci: mask out unsupported TX channels
iwlegacy: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
ipw2x00: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
wifi: iwlwifi: Track scan_cmd allocation size explicitly
brcmfmac: Remove the call to "dtim_assoc" IOVAR
brcmfmac: increase dcmd maximum buffer size
brcmfmac: Support 89459 pcie
brcmfmac: increase default max WOWL patterns to 16
cw1200: fix incorrect check to determine if no element is found in list
...
====================
Link: https://lore.kernel.org/r/20220930150413.A7984C433D6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
DOWNSPREAD_CTRL (0x107) shall be cleared to 0 upon power-on reset or an
upstream device disconnect. This patch will enforce this rule by always
cleared DOWNSPREAD_CTRL register to 0 before start link training. At rare
case that DP MSA timing parameters may be mis-interpreted by the sink
which causes audio sampling rate be calculated wrongly and cause audio
did not work at sink if DOWNSPREAD_CTRL register is not cleared to 0.
Changes in v2:
1) fix spelling at commit text
2) merge ssc variable into encoding[0]
Changes in v3:
-- correct spelling of DOWNSPREAD_CTRL
-- replace err with len of ssize_t
Changes in v4:
-- split into 2 patches
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: c943b4948b ("drm/msm/dp: add displayPort driver support")
Patchwork: https://patchwork.freedesktop.org/patch/502532/
Link: https://lore.kernel.org/r/1662999830-13916-2-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Device-managed resources allocated post component bind must be tied to
the lifetime of the aggregate DRM device or they will not necessarily be
released when binding of the aggregate device is deferred.
This is specifically true for the HDMI IRQ, which will otherwise remain
requested so that the next bind attempt fails when requesting the IRQ a
second time.
Fix this by tying the device-managed lifetime of the HDMI IRQ to the DRM
device so that it is released when bind fails.
Fixes: 067fef372c ("drm/msm/hdmi: refactor bind/init")
Cc: stable@vger.kernel.org # 3.19
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502666/
Link: https://lore.kernel.org/r/20220913085320.8577-9-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Device-managed resources allocated post component bind must be tied to
the lifetime of the aggregate DRM device or they will not necessarily be
released when binding of the aggregate device is deferred.
This can lead resource leaks or failure to bind the aggregate device
when binding is later retried and a second attempt to allocate the
resources is made.
For the DP bridges, previously allocated bridges will leak on probe
deferral.
Fix this by amending the DP parser interface and tying the lifetime of
the bridge device to the DRM device rather than DP platform device.
Fixes: c3bf8e21b3 ("drm/msm/dp: Add eDP support via aux_bus")
Cc: stable@vger.kernel.org # 5.19
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502667/
Link: https://lore.kernel.org/r/20220913085320.8577-8-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Device-managed resources allocated post component bind must be tied to
the lifetime of the aggregate DRM device or they will not necessarily be
released when binding of the aggregate device is deferred.
This can lead resource leaks or failure to bind the aggregate device
when binding is later retried and a second attempt to allocate the
resources is made.
For the DP aux-bus, an attempt to populate the bus a second time will
simply fail ("DP AUX EP device already populated").
Fix this by tying the lifetime of the EP device to the DRM device rather
than DP controller platform device.
Fixes: c3bf8e21b3 ("drm/msm/dp: Add eDP support via aux_bus")
Cc: stable@vger.kernel.org # 5.19
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502672/
Link: https://lore.kernel.org/r/20220913085320.8577-7-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Device-managed resources allocated post component bind must be tied to
the lifetime of the aggregate DRM device or they will not necessarily be
released when binding of the aggregate device is deferred.
This is specifically true for the DP IRQ, which will otherwise remain
requested so that the next bind attempt fails when requesting the IRQ a
second time.
Since commit c3bf8e21b3 ("drm/msm/dp: Add eDP support via aux_bus")
this can happen when the aux-bus panel driver has not yet been loaded so
that probe is deferred.
Fix this by tying the device-managed lifetime of the DP IRQ to the DRM
device so that it is released when bind fails.
Fixes: c943b4948b ("drm/msm/dp: add displayPort driver support")
Cc: stable@vger.kernel.org # 5.10
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502679/
Link: https://lore.kernel.org/r/20220913085320.8577-6-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Add the missing sanity check on the bridge counter to avoid corrupting
data beyond the fixed-sized bridge array in case there are ever more
than eight bridges.
Fixes: a3376e3ec8 ("drm/msm: convert to drm_bridge")
Cc: stable@vger.kernel.org # 3.12
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/502670/
Link: https://lore.kernel.org/r/20220913085320.8577-5-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Add the missing sanity check on the bridge counter to avoid corrupting
data beyond the fixed-sized bridge array in case there are ever more
than eight bridges.
Fixes: a689554ba6 ("drm/msm: Initial add DSI connector support")
Cc: stable@vger.kernel.org # 4.1
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/502668/
Link: https://lore.kernel.org/r/20220913085320.8577-4-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Add the missing sanity check on the bridge counter to avoid corrupting
data beyond the fixed-sized bridge array in case there are ever more
than eight bridges.
Fixes: 8a3b4c17f8 ("drm/msm/dp: employ bridge mechanism for display enable and disable")
Cc: stable@vger.kernel.org # 5.17
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/502664/
Link: https://lore.kernel.org/r/20220913085320.8577-3-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
The bridge counter was never reset when tearing down the DRM device so
that stale pointers to deallocated structures would be accessed on the
next tear down (e.g. after a second late bind deferral).
Given enough bridges and a few probe deferrals this could currently also
lead to data beyond the bridge array being corrupted.
Fixes: d28ea55626 ("drm/msm: properly add and remove internal bridges")
Fixes: a3376e3ec8 ("drm/msm: convert to drm_bridge")
Cc: stable@vger.kernel.org # 3.12
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502665/
Link: https://lore.kernel.org/r/20220913085320.8577-2-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
The mode_valid field in drm_connector_helper_funcs is expected to be of
type:
enum drm_mode_status (* mode_valid) (struct drm_connector *connector,
struct drm_display_mode *mode);
The mismatched return type breaks forward edge kCFI since the underlying
function definition does not match the function hook definition.
The return type of mdp4_lvds_connector_mode_valid should be changed from
int to enum drm_mode_status.
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1703
Cc: llvm@lists.linux.dev
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Fixes: 3e87599b68 ("drm/msm/mdp4: add LVDS panel support")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/502878/
Link: https://lore.kernel.org/r/20220913205551.155128-1-nhuck@google.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
DRM commit_tails() will disable downstream crtc/encoder/bridge if
both disable crtc is required and crtc->active is set before pushing
a new frame downstream.
There is a rare case that user space display manager issue an extra
screen update immediately followed by close DRM device while down
stream display interface is disabled. This extra screen update will
timeout due to the downstream interface is disabled but will cause
crtc->active be set. Hence the followed commit_tails() called by
drm_release() will pass the disable downstream crtc/encoder/bridge
conditions checking even downstream interface is disabled.
This cause the crash to happen at dp_bridge_disable() due to it trying
to access the main link register to push the idle pattern out while main
link clocks is disabled.
This patch adds atomic_check to prevent the extra frame will not
be pushed down if display interface is down so that crtc->active
will not be set neither. This will fail the conditions checking
of disabling down stream crtc/encoder/bridge which prevent
drm_release() from calling dp_bridge_disable() so that crash
at dp_bridge_disable() prevented.
There is no protection in the DRM framework to check if the display
pipeline has been already disabled before trying again. The only
check is the crtc_state->active but this is controlled by usermode
using UAPI. Hence if the usermode sets this and then crashes, the
driver needs to protect against double disable.
SError Interrupt on CPU7, code 0x00000000be000411 -- SError
CPU: 7 PID: 3878 Comm: Xorg Not tainted 5.19.0-stb-cbq #19
Hardware name: Google Lazor (rev3 - 8) (DT)
pstate: a04000c9 (NzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __cmpxchg_case_acq_32+0x14/0x2c
lr : do_raw_spin_lock+0xa4/0xdc
sp : ffffffc01092b6a0
x29: ffffffc01092b6a0 x28: 0000000000000028 x27: 0000000000000038
x26: 0000000000000004 x25: ffffffd2973dce48 x24: 0000000000000000
x23: 00000000ffffffff x22: 00000000ffffffff x21: ffffffd2978d0008
x20: ffffffd2978d0008 x19: ffffff80ff759fc0 x18: 0000000000000000
x17: 004800a501260460 x16: 0441043b04600438 x15: 04380000089807d0
x14: 07b0089807800780 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000438 x10: 00000000000007d0 x9 : ffffffd2973e09e4
x8 : ffffff8092d53300 x7 : ffffff808902e8b8 x6 : 0000000000000001
x5 : ffffff808902e880 x4 : 0000000000000000 x3 : ffffff80ff759fc0
x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffffff80ff759fc0
Kernel panic - not syncing: Asynchronous SError Interrupt
CPU: 7 PID: 3878 Comm: Xorg Not tainted 5.19.0-stb-cbq #19
Hardware name: Google Lazor (rev3 - 8) (DT)
Call trace:
dump_backtrace.part.0+0xbc/0xe4
show_stack+0x24/0x70
dump_stack_lvl+0x68/0x84
dump_stack+0x18/0x34
panic+0x14c/0x32c
nmi_panic+0x58/0x7c
arm64_serror_panic+0x78/0x84
do_serror+0x40/0x64
el1h_64_error_handler+0x30/0x48
el1h_64_error+0x68/0x6c
__cmpxchg_case_acq_32+0x14/0x2c
_raw_spin_lock_irqsave+0x38/0x4c
lock_timer_base+0x40/0x78
__mod_timer+0xf4/0x25c
schedule_timeout+0xd4/0xfc
__wait_for_common+0xac/0x140
wait_for_completion_timeout+0x2c/0x54
dp_ctrl_push_idle+0x40/0x88
dp_bridge_disable+0x24/0x30
drm_atomic_bridge_chain_disable+0x90/0xbc
drm_atomic_helper_commit_modeset_disables+0x198/0x444
msm_atomic_commit_tail+0x1d0/0x374
commit_tail+0x80/0x108
drm_atomic_helper_commit+0x118/0x11c
drm_atomic_commit+0xb4/0xe0
drm_client_modeset_commit_atomic+0x184/0x224
drm_client_modeset_commit_locked+0x58/0x160
drm_client_modeset_commit+0x3c/0x64
__drm_fb_helper_restore_fbdev_mode_unlocked+0x98/0xac
drm_fb_helper_set_par+0x74/0x80
drm_fb_helper_hotplug_event+0xdc/0xe0
__drm_fb_helper_restore_fbdev_mode_unlocked+0x7c/0xac
drm_fb_helper_restore_fbdev_mode_unlocked+0x20/0x2c
drm_fb_helper_lastclose+0x20/0x2c
drm_lastclose+0x44/0x6c
drm_release+0x88/0xd4
__fput+0x104/0x220
____fput+0x1c/0x28
task_work_run+0x8c/0x100
do_exit+0x450/0x8d0
do_group_exit+0x40/0xac
__wake_up_parent+0x0/0x38
invoke_syscall+0x84/0x11c
el0_svc_common.constprop.0+0xb8/0xe4
do_el0_svc+0x8c/0xb8
el0_svc+0x2c/0x54
el0t_64_sync_handler+0x120/0x1c0
el0t_64_sync+0x190/0x194
SMP: stopping secondary CPUs
Kernel Offset: 0x128e800000 from 0xffffffc008000000
PHYS_OFFSET: 0x80000000
CPU features: 0x800,00c2a015,19801c82
Memory Limit: none
Changes in v2:
-- add more commit text
Changes in v3:
-- add comments into dp_bridge_atomic_check()
Changes in v4:
-- rewording the comment into dp_bridge_atomic_check()
Changes in v5:
-- removed quote x at end of commit text
Changes in v6:
-- removed quote x at end of comment in dp_bridge_atomic_check()
Fixes: 8a3b4c17f8 ("drm/msm/dp: employ bridge mechanism for display enable and disable")
Reported-by: Leonard Lausen <leonard@lausen.nl>
Suggested-by: Rob Clark <robdclark@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/17
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/505331/
Link: https://lore.kernel.org/r/1664408211-25314-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Some last minute fixes. virtio-blk is the most important one
since it was actually seen in the field, but the rest
of them are small and clearly safe, everything here has
been in next for a while.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some last minute fixes.
The virtio-blk one is the most important one since it was actually
seen in the field, but the rest of them are small and clearly safe,
everything here has been in next for a while"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Fix MQ to support non power of two num queues
vduse: prevent uninitialized memory accesses
virtio-blk: Fix WARN_ON_ONCE in virtio_queue_rq()
virtio_test: fixup for vq reset
virtio-crypto: fix memory-leak
vdpa/ifcvf: fix the calculation of queuepair
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Merge tag 'block-6.0-2022-09-29' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"A single NVMe pull request via Christoph with a few fixes that should
go into the 6.0 release:
- Fix IOC_PR_CLEAR and IOC_PR_RELEASE ioctls for nvme devices
(Michael Kelley)
- Disable Write Zeroes on Phison E3C/E4C (Tina Hsu)"
* tag 'block-6.0-2022-09-29' of git://git.kernel.dk/linux:
nvme-pci: disable Write Zeroes on Phison E3C/E4C
nvme: Fix IOC_PR_CLEAR and IOC_PR_RELEASE ioctls for nvme devices
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Merge tag 'io_uring-6.0-2022-09-29' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Two fixes that should go into 6.0:
- Tweak the single issuer logic to register the task at creation,
rather than at first submit. SINGLE_ISSUER was added for 6.0, and
after some discussion on this, we decided to make it a bit stricter
while it's still possible to do so (Dylan).
- Stefan from Samba had some doubts on the level triggered poll that
was added for this release. Rather than attempt to mess around with
it now, just do the quick one-liner to disable it for release and
we have time to discuss and change it for 6.1 instead (me)"
* tag 'io_uring-6.0-2022-09-29' of git://git.kernel.dk/linux:
io_uring/poll: disable level triggered poll
io_uring: register single issuer task at creation
In the even that there's another pull request here's some more driver
specific fixes.
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Merge tag 'asoc-fix-v6.0-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Last fixes for v6.0
In the even that there's another pull request here's some more driver
specific fixes.
1. Uses regmap_read_poll_timeout_atomic to poll I2S_CLR as it is called
within a spin lock.
2. Fixes the typo of break condition in regmap_read_poll_timeout_atomic.
Fixes: fbb0ec656e ("ASoC: rockchip: i2s: use regmap_read_poll_timeout to poll I2S_CLR")
Signed-off-by: Judy Hsiao <judyhsiao@chromium.org>
Link: https://lore.kernel.org/r/20220930151546.2017667-1-judyhsiao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The introduction of "drm/msm/gem: Evict active GEM objects when necessary"
exposes a problem with "drm/msm/gem: Unpin buffers earlier", in that we
need to keep the object pinned in the time the submit is queued up in the
gpu scheduler. Otherwise the shrinker will see it as a thing that can be
evicted if we wait for it to be signaled. But if the shrinker path is
waiting on it with the obj lock held, the job cannot be scheduled, as that
also requires briefly grabbing the obj lock, leading to deadlock. (Not to
mention, we don't want the shrinker to evict an obj queued up in gpu
scheduler.)
Fixes: f371bcc0c2 ("drm/msm/gem: Unpin buffers earlier")
Fixes: 025d27239a ("drm/msm/gem: Evict active GEM objects when necessary")
Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/19
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Chia-I Wu <olvaffe@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/504528/
Link: https://lore.kernel.org/r/20220923224043.2449152-1-robdclark@gmail.com
- Revert crypto acomp migration (Guilherme G. Piccoli)
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Merge tag 'pstore-v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore revert from Kees Cook:
"A misbehavior with some compression backends in pstore was just
discovered due to the recent crypto acomp migration.
Since we're so close to release, it seems better to just simply revert
it, and we can figure out what's going on without leaving it broken
for a release.
- Revert crypto acomp migration (Guilherme G. Piccoli)"
* tag 'pstore-v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
Revert "pstore: migrate to crypto acomp interface"
- fix the check for pwm support on non-A8K platforms in gpio-mvebu
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Merge tag 'gpio-fixes-for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"One more fix for the upcoming release:
- fix the check for pwm support on non-A8K platforms in gpio-mvebu"
* tag 'gpio-fixes-for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mvebu: Fix check for pwm support on non-A8K platforms
This was fixed in initialize_cpsch before, but not in initialize_nocpsch.
Factor sdma bitmap initialization into a helper function to apply the
correct implementation in both cases without duplicating it.
v2: Added a range check
Reported-by: Ellis Michael <ellis@ellismichael.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Graham Sider <Graham.Sider@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Unified memory usage with xnack off is tracked to avoid oversubscribe
system memory, with xnack on, we don't track unified memory usage to
allow memory oversubscribe. When switching xnack mode from off to on,
subsequent free ranges allocated with xnack off will not unreserve
memory. When switching xnack mode from on to off, subsequent free ranges
allocated with xnack on will unreserve memory. Both cases cause memory
accounting unbalanced.
When switching xnack mode from on to off, need reserve already allocated
svm range memory. When switching xnack mode from off to on, need
unreserve already allocated svm range memory.
v6: Take prange lock to access range child list
v5: Handle prange child ranges
v4: Handle reservation memory failure
v3: Handle switching xnack mode race with svm_range_deferred_list_work
v2: Handle both switching xnack from on to off and from off to on cases
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
