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The LBG server platform sports DMA support.
Cc: <stable@vger.kernel.org> #v5.0+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Not all FW versions support DMA on their first release,
hence it is normal behavior to receive a reject response
upon DMA setup request.
In order to prevent confusion, the DMA setup reject message
is printed only in debug level.
Cc: <stable@vger.kernel.org> #v5.0+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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kbuild reported a build faile in [1]. This is triggered when CONFIG_IPC_NS
is not set. So let's make the use of init_ipc_ns conditional on
CONFIG_IPC_NS being set.
[1]: https://lists.01.org/pipermail/kbuild-all/2019-January/056903.html
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux into char-misc-linus
Sasha writes:
Three bug fixes for different parts of the hyper-v code:
- Fix for a lockup when changing NIC's MTU from Dexuan.
- Fix of use of uninitialized memory from Dexuan.
- Fix for memory corruption caused by ballooning from Vitaly.
All 3 were tested internally.
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
vmbus: fix subchannel removal
hv_balloon: avoid touching uninitialized struct page during tail onlining
Drivers: hv: vmbus: Check for ring when getting debug info
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The changes to split ring allocation from open/close, broke
the cleanup of subchannels. This resulted in problems using
uio on network devices because the subchannel was left behind
when the network device was unbound.
The cause was in the disconnect logic which used list splice
to move the subchannel list into a local variable. This won't
work because the subchannel list is needed later during the
process of the rescind messages (relid2channel).
The fix is to just leave the subchannel list in place
which is what the original code did. The list is cleaned
up later when the host rescind is processed.
Without the fix, we have a lot of "hang" issues in netvsc when we
try to change the NIC's MTU, set the number of channels, etc.
Fixes: ae6935ed7d42 ("vmbus: split ring buffer allocation from open")
Cc: stable@vger.kernel.org
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Hyper-V memory hotplug protocol has 2M granularity and in Linux x86 we use
128M. To deal with it we implement partial section onlining by registering
custom page onlining callback (hv_online_page()). Later, when more memory
arrives we try to online the 'tail' (see hv_bring_pgs_online()).
It was found that in some cases this 'tail' onlining causes issues:
BUG: Bad page state in process kworker/0:2 pfn:109e3a
page:ffffe08344278e80 count:0 mapcount:1 mapping:0000000000000000 index:0x0
flags: 0xfffff80000000()
raw: 000fffff80000000 dead000000000100 dead000000000200 0000000000000000
raw: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
page dumped because: nonzero mapcount
...
Workqueue: events hot_add_req [hv_balloon]
Call Trace:
dump_stack+0x5c/0x80
bad_page.cold.112+0x7f/0xb2
free_pcppages_bulk+0x4b8/0x690
free_unref_page+0x54/0x70
hv_page_online_one+0x5c/0x80 [hv_balloon]
hot_add_req.cold.24+0x182/0x835 [hv_balloon]
...
Turns out that we now have deferred struct page initialization for memory
hotplug so e.g. memory_block_action() in drivers/base/memory.c does
pages_correctly_probed() check and in that check it avoids inspecting
struct pages and checks sections instead. But in Hyper-V balloon driver we
do PageReserved(pfn_to_page()) check and this is now wrong.
Switch to checking online_section_nr() instead.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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fc96df16a1ce is good and can already fix the "return stack garbage" issue,
but let's also improve hv_ringbuffer_get_debuginfo(), which would silently
return stack garbage, if people forget to check channel->state or
ring_info->ring_buffer, when using the function in the future.
Having an error check in the function would eliminate the potential risk.
Add a Fixes tag to indicate the patch depdendency.
Fixes: fc96df16a1ce ("Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels")
Cc: stable@vger.kernel.org
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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The binderfs instance in the initial ipc namespace will always have a
reserve of 4 binder devices unless explicitly capped by specifying a lower
value via the "max" mount option.
This ensures when binder devices are removed (on accident or on purpose)
they can always be recreated without risking that all minor numbers have
already been used up.
Cc: Todd Kjos <tkjos@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It doesn't make sense to call the header binder_ctl.h when its sole
existence is tied to binderfs. So give it a sensible name. Users will far
more easily remember binderfs.h than binder_ctl.h.
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since binderfs can be mounted by userns root in non-initial user namespaces
some precautions are in order. First, a way to set a maximum on the number
of binder devices that can be allocated per binderfs instance and second, a
way to reserve a reasonable chunk of binderfs devices for the initial ipc
namespace.
A first approach as seen in [1] used sysctls similiar to devpts but was
shown to be flawed (cf. [2] and [3]) since some aspects were unneeded. This
is an alternative approach which avoids sysctls completely and instead
switches to a single mount option.
Starting with this commit binderfs instances can be mounted with a limit on
the number of binder devices that can be allocated. The max=<count> mount
option serves as a per-instance limit. If max=<count> is set then only
<count> number of binder devices can be allocated in this binderfs
instance.
This allows to safely bind-mount binderfs instances into unprivileged user
namespaces since userns root in a non-initial user namespace cannot change
the mount option as long as it does not own the mount namespace the
binderfs mount was created in and hence cannot drain the host of minor
device numbers
[1]: https://lore.kernel.org/lkml/20181221133909.18794-1-christian@brauner.io/
[2]; https://lore.kernel.org/lkml/20181221163316.GA8517@kroah.com/
[3]: https://lore.kernel.org/lkml/CAHRSSEx+gDVW4fKKK8oZNAir9G5icJLyodO8hykv3O0O1jt2FQ@mail.gmail.com/
[4]: https://lore.kernel.org/lkml/20181221192044.5yvfnuri7gdop4rs@brauner.io/
Cc: Todd Kjos <tkjos@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When currently mounting binderfs in the same ipc namespace twice:
mount -t binder binder /A
mount -t binder binder /B
then the binderfs instances mounted on /A and /B will be the same, i.e.
they will have the same superblock. This was the first approach that seemed
reasonable. However, this leads to some problems and inconsistencies:
/* private binderfs instance in same ipc namespace */
There is no way for a user to request a private binderfs instance in the
same ipc namespace.
This request has been made in a private mail to me by two independent
people.
/* bind-mounts */
If users want the same binderfs instance to appear in multiple places they
can use bind mounts. So there is no value in having a request for a new
binderfs mount giving them the same instance.
/* unexpected behavior */
It's surprising that request to mount binderfs is not giving the user a new
instance like tmpfs, devpts, ramfs, and others do.
/* past mistakes */
Other pseudo-filesystems once made the same mistakes of giving back the
same superblock when actually requesting a new mount (cf. devpts's
deprecated "newinstance" option).
We should not make the same mistake. Once we've committed to always giving
back the same superblock in the same IPC namespace with the next kernel
release we will not be able to make that change so better to do it now.
/* kdbusfs */
It was pointed out to me that kdbusfs - which is conceptually closely
related to binderfs - also allowed users to get a private kdbusfs instance
in the same IPC namespace by making each mount of kdbusfs a separate
instance. I think that makes a lot of sense.
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The binderfs filesystem never needs to be mounted by the kernel itself.
This is conceptually wrong and should never have been done in the first
place.
Fixes: 3ad20fe393b ("binder: implement binderfs")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- Changes for EC_MKBP_EVENT_SENSOR_FIFO handling.
- Also, maintainership changes. Olofj out, Enric balletbo in.
* tag 'tag-chrome-platform-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
MAINTAINERS: add maintainers for ChromeOS EC sub-drivers
MAINTAINERS: platform/chrome: Add Enric as a maintainer
MAINTAINERS: platform/chrome: remove myself as maintainer
platform/chrome: don't report EC_MKBP_EVENT_SENSOR_FIFO as wakeup
platform/chrome: straighten out cros_ec_get_{next,host}_event() error codes
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EC_MKBP_EVENT_SENSOR_FIFO events can be triggered for a variety of
reasons, and there are very few cases in which they should be treated as
wakeup interrupts (particularly, when a certain
MOTIONSENSE_MODULE_FLAG_* is set, but this is not even supported in the
mainline cros_ec_sensor driver yet). Most of the time, they are benign
sensor readings. In any case, the top-level cros_ec device doesn't know
enough to determine that they should wake the system, and so it should
not report the event. This would be the job of the cros_ec_sensors
driver to parse.
This patch adds checks to cros_ec_get_next_event() such that it doesn't
signal 'wakeup' for events of type EC_MKBP_EVENT_SENSOR_FIFO.
This patch is particularly relevant on devices like Scarlet (Rockchip
RK3399 tablet, known as Acer Chromebook Tab 10), where the EC firmware
reports sensor events much more frequently. This was causing
/sys/power/wakeup_count to increase very frequently, often needlessly
interrupting our ability to suspend the system.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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cros_ec_get_next_event() is documented to return 0 for success and
negative for errors. It currently returns negative for some errors, and
non-negative (number of bytes received) for success (including some "no
data available" responses as zero). This mostly works out OK, because the
callers were more or less ignoring the documentation, and only treating
positive values as success (and indepdently checking the modification of
'wakeup').
Let's button this up by avoiding pretending to handle event/wakeup
distinctions when no event info was retrieved (i.e., returned 0 bytes).
And fix the documentation of cros_ec_get_host_event() and
cros_ec_get_next_event() to accurately describe their behavior.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Pull hwspinlock updates from Bjorn Andersson:
"This adds support for the hardware semaphores found in STM32MP1"
* tag 'hwlock-v4.21' of git://github.com/andersson/remoteproc:
hwspinlock: fix return value check in stm32_hwspinlock_probe()
hwspinlock: add STM32 hwspinlock device
dt-bindings: hwlock: Document STM32 hwspinlock bindings
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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Fixes: f24fcff1d267 ("hwspinlock: add STM32 hwspinlock device")
Acked-by: Benjamin Gaignard <benjamin.gaignard@gmail.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This patch adds support of hardware semaphores for stm32mp1 SoC.
The hardware block provides 32 semaphores.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixlet from Stefan Richter:
"Remove an explicit dependency in Kconfig which is implied by another
dependency"
* tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: Remove depends on HAS_DMA in case of platform dependency
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Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.
Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.
This simplifies the dependencies, and allows to improve compile-testing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Pull block updates and fixes from Jens Axboe:
- Pulled in MD changes that Shaohua had queued up for 4.21.
Unfortunately we lost Shaohua late 2018, I'm sending these in on his
behalf.
- In conjunction with the above, I added a CREDITS entry for Shaoua.
- sunvdc queue restart fix (Ming)
* tag 'for-linus-20190104' of git://git.kernel.dk/linux-block:
Add CREDITS entry for Shaohua Li
block: sunvdc: don't run hw queue synchronously from irq context
md: fix raid10 hang issue caused by barrier
raid10: refactor common wait code from regular read/write request
md: remvoe redundant condition check
lib/raid6: add option to skip algo benchmarking
lib/raid6: sort algos in rough performance order
lib/raid6: check for assembler SSSE3 support
lib/raid6: avoid __attribute_const__ redefinition
lib/raid6: add missing include for raid6test
md: remove set but not used variable 'bi_rdev'
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vdc_blk_queue_start() may be called from irq context, so we can't run
queue via blk_mq_start_hw_queues() since we never allow to run queue
from irq context. Use blk_mq_start_stopped_hw_queues(q, true) to fix
this issue.
Fixes: fa182a1fa97dff56cd ("sunvdc: convert to blk-mq")
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: sparclinux@vger.kernel.org
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/shli/md into for-linus
Pull the pending 4.21 changes for md from Shaohua.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: fix raid10 hang issue caused by barrier
raid10: refactor common wait code from regular read/write request
md: remvoe redundant condition check
lib/raid6: add option to skip algo benchmarking
lib/raid6: sort algos in rough performance order
lib/raid6: check for assembler SSSE3 support
lib/raid6: avoid __attribute_const__ redefinition
lib/raid6: add missing include for raid6test
md: remove set but not used variable 'bi_rdev'
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When both regular IO and resync IO happen at the same time,
and if we also need to split regular. Then we can see tasks
hang due to barrier.
1. resync thread
[ 1463.757205] INFO: task md1_resync:5215 blocked for more than 480 seconds.
[ 1463.757207] Not tainted 4.19.5-1-default #1
[ 1463.757209] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1463.757212] md1_resync D 0 5215 2 0x80000000
[ 1463.757216] Call Trace:
[ 1463.757223] ? __schedule+0x29a/0x880
[ 1463.757231] ? raise_barrier+0x8d/0x140 [raid10]
[ 1463.757236] schedule+0x78/0x110
[ 1463.757243] raise_barrier+0x8d/0x140 [raid10]
[ 1463.757248] ? wait_woken+0x80/0x80
[ 1463.757257] raid10_sync_request+0x1f6/0x1e30 [raid10]
[ 1463.757265] ? _raw_spin_unlock_irq+0x22/0x40
[ 1463.757284] ? is_mddev_idle+0x125/0x137 [md_mod]
[ 1463.757302] md_do_sync.cold.78+0x404/0x969 [md_mod]
[ 1463.757311] ? wait_woken+0x80/0x80
[ 1463.757336] ? md_rdev_init+0xb0/0xb0 [md_mod]
[ 1463.757351] md_thread+0xe9/0x140 [md_mod]
[ 1463.757358] ? _raw_spin_unlock_irqrestore+0x2e/0x60
[ 1463.757364] ? __kthread_parkme+0x4c/0x70
[ 1463.757369] kthread+0x112/0x130
[ 1463.757374] ? kthread_create_worker_on_cpu+0x40/0x40
[ 1463.757380] ret_from_fork+0x3a/0x50
2. regular IO
[ 1463.760679] INFO: task kworker/0:8:5367 blocked for more than 480 seconds.
[ 1463.760683] Not tainted 4.19.5-1-default #1
[ 1463.760684] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1463.760687] kworker/0:8 D 0 5367 2 0x80000000
[ 1463.760718] Workqueue: md submit_flushes [md_mod]
[ 1463.760721] Call Trace:
[ 1463.760731] ? __schedule+0x29a/0x880
[ 1463.760741] ? wait_barrier+0xdd/0x170 [raid10]
[ 1463.760746] schedule+0x78/0x110
[ 1463.760753] wait_barrier+0xdd/0x170 [raid10]
[ 1463.760761] ? wait_woken+0x80/0x80
[ 1463.760768] raid10_write_request+0xf2/0x900 [raid10]
[ 1463.760774] ? wait_woken+0x80/0x80
[ 1463.760778] ? mempool_alloc+0x55/0x160
[ 1463.760795] ? md_write_start+0xa9/0x270 [md_mod]
[ 1463.760801] ? try_to_wake_up+0x44/0x470
[ 1463.760810] raid10_make_request+0xc1/0x120 [raid10]
[ 1463.760816] ? wait_woken+0x80/0x80
[ 1463.760831] md_handle_request+0x121/0x190 [md_mod]
[ 1463.760851] md_make_request+0x78/0x190 [md_mod]
[ 1463.760860] generic_make_request+0x1c6/0x470
[ 1463.760870] raid10_write_request+0x77a/0x900 [raid10]
[ 1463.760875] ? wait_woken+0x80/0x80
[ 1463.760879] ? mempool_alloc+0x55/0x160
[ 1463.760895] ? md_write_start+0xa9/0x270 [md_mod]
[ 1463.760904] raid10_make_request+0xc1/0x120 [raid10]
[ 1463.760910] ? wait_woken+0x80/0x80
[ 1463.760926] md_handle_request+0x121/0x190 [md_mod]
[ 1463.760931] ? _raw_spin_unlock_irq+0x22/0x40
[ 1463.760936] ? finish_task_switch+0x74/0x260
[ 1463.760954] submit_flushes+0x21/0x40 [md_mod]
So resync io is waiting for regular write io to complete to
decrease nr_pending (conf->barrier++ is called before waiting).
The regular write io splits another bio after call wait_barrier
which call nr_pending++, then the splitted bio would continue
with raid10_write_request -> wait_barrier, so the splitted bio
has to wait for barrier to be zero, then deadlock happens as
follows.
resync io regular io
raise_barrier
wait_barrier
generic_make_request
wait_barrier
To resolve the issue, we need to call allow_barrier to decrease
nr_pending before generic_make_request since regular IO is not
issued to underlying devices, and wait_barrier is called again
to ensure no internal IO happening.
Fixes: fc9977dd069e ("md/raid10: simplify the splitting of requests.")
Reported-and-tested-by: Siniša Bandin <sinisa@4net.rs>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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Both raid10_read_request and raid10_write_request share
the same code at the beginning of them, so introduce
regular_request_wait to clean up code, and call it in
both request functions.
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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mempool_destroy() can handle NULL pointer correctly,
so there is no need to check NULL pointer before calling
mempool_destroy().
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/md/md.c: In function 'md_integrity_add_rdev':
drivers/md/md.c:2149:24: warning:
variable 'bi_rdev' set but not used [-Wunused-but-set-variable]
It not used any more after commit
1501efadc524 ("md/raid: only permit hot-add of compatible integrity profiles")
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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Pull drm fixes from Dave Airlie:
"Happy New Year, just decloaking from leave to get some stuff from the
last week in before rc1:
core:
- two regression fixes for damage blob and atomic
i915 gvt:
- Some missed GVT fixes from the original pull
amdgpu:
- new PCI IDs
- SR-IOV fixes
- DC fixes
- Vega20 fixes"
* tag 'drm-next-2019-01-05' of git://anongit.freedesktop.org/drm/drm: (53 commits)
drm: Put damage blob when destroy plane state
drm: fix null pointer dereference on null state pointer
drm/amdgpu: Add new VegaM pci id
drm/ttm: Use drm_debug_printer for all ttm_bo_mem_space_debug output
drm/amdgpu: add Vega20 PSP ASD firmware loading
drm/amd/display: Fix MST dp_blank REG_WAIT timeout
drm/amd/display: validate extended dongle caps
drm/amd/display: Use div_u64 for flip timestamp ns to ms
drm/amdgpu/uvd:Change uvd ring name convention
drm/amd/powerplay: add Vega20 LCLK DPM level setting support
drm/amdgpu: print process info when job timeout
drm/amdgpu/nbio7.4: add hw bug workaround for vega20
drm/amdgpu/nbio6.1: add hw bug workaround for vega10/12
drm/amd/display: Optimize passive update planes.
drm/amd/display: verify lane status before exiting verify link cap
drm/amd/display: Fix bug with not updating VSP infoframe
drm/amd/display: Add retry to read ddc_clock pin
drm/amd/display: Don't skip link training for empty dongle
drm/amd/display: Wait edp HPD to high in detect_sink
drm/amd/display: fix surface update sequence
...
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
Fixes for v4.21:
- Fix null pointer dereference on null state pointer.
- Fix leaking damage clip when destroying plane state.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/46c4dbcd-dc23-7b46-fda9-16fe33e6ceef@linux.intel.com
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Somehow the code to put the damage blob on destroy plane state and set
the blob to NULL when duplicate plane state was not merged. May be
because the files are refactored since the patch was written. With this
fix add those.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Fixes: d3b21767821e ("drm: Add a new plane property to send damage during plane update")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181221193559.4346-1-drawat@vmware.com
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In the case where state cannot be allocated, the current exit path via
label 'out' will dereference the null state pointer when calling
drm_atomic_state_put. Fix this by adding a new error exit label and
jumping to this to avoid the drm_atomic_state_put.
Detected by CoverityScan, CID#1476034 ("Dereference after null check")
Fixes: b9fc5e01d1ce ("drm: Add helper to implement legacy dirtyfb")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181222130046.14083-1-colin.king@canonical.com
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into drm-next
Fixes for 4.21. A bit more than usual due to the holidays. Highlights:
- add new vegaM pci id
- sr-iov fixes
- DC fix for fast cursor updates
- DC freesync fix
- DC display clock fix for polaris
- DC fixes for dongles
- DC fix for some eDP panels
- misc vega20 fixes
- kfd return code fix for dma_buf support
- VCN fixes for PCO
- nbio hw bug workaround
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181229183307.3330-1-alexander.deucher@amd.com
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Add a new pci id.
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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No need for pr_err here, the pr_err message in ttm_bo_evict is enough
to draw attention to something not going as planned.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add PSP ASD firmware loading on Vega20. Not sure why
this was missing before.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Need to blank stream before deallocate MST payload.
[drm:generic_reg_wait [amdgpu]] *ERROR* REG_WAIT timeout 10us * 3000 tries - dce110_stream_encoder_dp_blank line:944
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2201 at /var/lib/dkms/amdgpu/18.50-690240/build/amd/amdgpu/../display/dc/dc_helper.c:249 generic_reg_wait+0xe7/0x160 [amdgpu]
Call Trace:
dce110_stream_encoder_dp_blank+0x11c/0x180 [amdgpu]
core_link_disable_stream+0x40/0x230 [amdgpu]
? generic_reg_update_ex+0xdb/0x130 [amdgpu]
dce110_reset_hw_ctx_wrap+0xb7/0x1f0 [amdgpu]
dce110_apply_ctx_to_hw+0x30/0x430 [amdgpu]
? dce110_apply_ctx_for_surface+0x206/0x260 [amdgpu]
dc_commit_state+0x2ba/0x4d0 [amdgpu]
amdgpu_dm_atomic_commit_tail+0x297/0xd70 [amdgpu]
? amdgpu_bo_pin_restricted+0x58/0x260 [amdgpu]
? wait_for_completion_timeout+0x1f/0x120
? wait_for_completion_interruptible+0x1c/0x160
commit_tail+0x3d/0x60 [drm_kms_helper]
drm_atomic_helper_commit+0xf6/0x100 [drm_kms_helper]
drm_atomic_connector_commit_dpms+0xe5/0xf0 [drm]
drm_mode_obj_set_property_ioctl+0x14f/0x250 [drm]
drm_mode_connector_property_set_ioctl+0x2e/0x40 [drm]
drm_ioctl+0x1e0/0x430 [drm]
? drm_mode_connector_set_obj_prop+0x70/0x70 [drm]
? ep_read_events_proc+0xb0/0xb0
? ep_scan_ready_list.constprop.18+0x1e6/0x1f0
? timerqueue_add+0x52/0x80
amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
do_vfs_ioctl+0x90/0x5f0
SyS_ioctl+0x74/0x80
do_syscall_64+0x74/0x140
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
---[ end trace 3ed7b77a97d60f72 ]---
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[why]
Some dongle doesn't have a valid extended dongle caps,
but we still set the extended dongle caps to be valid.
This causes validation fails for all timing.
[how]
If no dp_hdmi_max_pixel_clk is provided,
don't use extended dongle caps.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Abdoulaye Berthe <Abdoulaye.Berthe@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Resolves __udivdi3 missing errors when building for i386.
Fixes: 6378ef012ddc ("drm/amd/display: Add below the range support for FreeSync")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Since umr tool can't handle bracket, change uvd ring name convention.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Support manual LCLK DPM level switch on Vega20.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When a job is timeout, try to print the related process information
for debugging
Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Configure PCIE_CI_CNTL to work around a hw bug that affects
some multi-GPU compute workloads.
Acked-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Configure PCIE_CI_CNTL to work around a hw bug that affects
some multi-GPU compute workloads.
Acked-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
passive update planes still spends a litte more
time on some cases.
[How]
Remove unnecessary trace which involving in some register read.
Disable debug output for release build.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[why]
DP LL CTS1.4 4.3.2.1 test failure.
[how]
The failure is caused by not handling DP link loss
hpd short pusle during set mode. The change is to read link status
before set mode link training. If link is lost, re-verify link caps.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
Currently, when the VSP infopacket is rebuilt in DM, it is not updated
when being programmed in encoder.
[HOW]
Add new VSP case for update_info_frame
Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
On customer board, there is one pluse (1v , < 1ms) on
DDC_CLK pin when plug / unplug DP cable. Driver will read
it and config DP to HDMI/DVI dongle.
[HOW]
If there is a real dongle, DDC_CLK should be always pull high.
Try to read again to recovery this special case. Retry times = 3.
Need additional 3ms to detect DP passive dongle(3 failures)
Signed-off-by: Paul Hsieh <paul.hsieh@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Skipping initial link training will result in no verified link cap for
mode enumeration. Some versions of the BIOS seem to have PHY programming
sequence issue as well if initial link training is skipped, resulting in
a softlock in BIOS command table.
[How]
Identify the empty dongle hotplug case, and still do initial link
training.
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
In 99% user case, edp will be post by vbios.
In 1% / current case: Lenovo don't light up edp panel in vbios
post stage, vbios won't be lit up. Thus in dal when we init DCN
10 hw, we power up edp, then we start detect_sink, but internal
time is too short, when we detect it, HPD is still low, so we don't
detect the edp, and edp shows black.
[How]
When we init hw, we wait edp HPD to high after power up edp.
Signed-off-by: Dale Zhao <dale.zhao@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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An earlier change added update of interdependent dlg/ttu params for pipes
not being updated in the current call. The code fails to check if the other
pipes are actually active yet causing an assert.
This change adds a check for surface presence on the pipes before updating
the interdepenednt params.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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