Make pci_power_up() and pci_set_low_power_state() change current_state
to PCI_D3cold when the device is not accessible along the lines of
pci_update_current_state().
Link: https://lore.kernel.org/r/10104376.nUPlyArG6x@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Because pci_set_power_state() is the only caller of
pci_set_low_power_state(), put the latter next to the former.
No functional impact.
Link: https://lore.kernel.org/r/3202976.44csPzL39Z@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The transitions from low-power states to D0 and the other way around
are unnecessarily tangled in pci_raw_set_power_state() which makes it
rather hard to follow.
Moreover, the only caller of pci_raw_set_power_state() passing PCI_D0
as its state argument is pci_power_up(), so the code carrying out
transitions into D0 can be put directly into that function.
Accordingly, move the code handling transitions from low-power states
into D0 directly into pci_power_up() and rename the remaining part
of pci_raw_set_power_state() to pci_set_low_power_state(), because
it only handles transitions into low-power state now.
While at it, fix up some white space, update some comments and modify
messages printed by pci_power_up() and pci_set_low_power_state() to
be less confusing (which is the only expected functional impact of
this change).
Link: https://lore.kernel.org/r/13038676.uLZWGnKmhe@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Save one config space access in pci_update_current_state() by testing the
retrieved PCI_PM_CTRL register value against PCI_POSSIBLE_ERROR() instead
of invoking pci_device_is_present() separately.
While at it, drop a pair of unnecessary parens.
No expected functional impact.
Link: https://lore.kernel.org/r/1917095.PYKUYFuaPT@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The runtime_d3cold flag is not needed any more, so drop it.
Link: https://lore.kernel.org/r/8077784.T7Z3S40VBb@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Calling pci_resume_bus() on the secondary bus from pci_power_up() as it is
done now is questionable, because it depends on the mandatory bridge
power-up delays that are only covered by the PCI bus type PM callbacks.
For this reason, move the subordinate bus resume to those callbacks too and
use the observation that if a bridge is being powered-up during resume from
system-wide suspend, it may be still desirable to runtime-resume its
subordinate bus after completing the system-wide transition (in case the
resume of the devices on that bus is skipped during it).
Link: https://lore.kernel.org/r/3190097.aeNJFYEL58@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Currently, endpoint devices may not be powered up entirely during runtime
resume that follows a D3hot -> D0 transition of the parent bridge.
Namely, even if the power state of an endpoint device, as indicated by its
PCI_PM_CTRL register, is D0 after powering up its parent bridge, it may be
still necessary to bring its ACPI companion into D0 and that should be done
before accessing it. However, the current code assumes that reading the
PCI_PM_CTRL register is sufficient to establish the endpoint device's power
state, which may lead to problems.
Address that by forcing a power-up of all PCI devices, including the
platform firmware part of it, during runtime resume.
Link: https://lore.kernel.org/linux-pm/11967527.O9o76ZdvQC@kreacher
Fixes: 5775b843a6 ("PCI: Restore config space on runtime resume despite being unbound")
Link: https://lore.kernel.org/r/2652115.mvXUDI8C0e@kreacher
Reported-by: Abhishek Sahu <abhsahu@nvidia.com>
Tested-by: Abhishek Sahu <abhsahu@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
pci_restore_standard_config() was defined under CONFIG_PM but called only
by pci_pm_resume() (defined under CONFIG_SUSPEND) and pci_pm_restore()
(defined under CONFIG_HIBERNATE_CALLBACKS). A configuration with only
CONFIG_PM leads to a warning:
drivers/pci/pci-driver.c:533:12: error: ‘pci_restore_standard_config’ defined but not used [-Werror=unused-function]
CONFIG_PM_SLEEP depends on CONFIG_SUSPEND and CONFIG_HIBERNATE_CALLBACKS,
so define pci_restore_standard_config() under that instead.
Link: https://lore.kernel.org/r/20220420141135.444820-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
- RTKit IPC library required to boot and communicate with
co-processors embedded inside Apple SoCs
- SART DMA address filter required to allow some DMA transactions for
the NVMe co-processor
- NVMe platform driver
The following minor changes since v3 on the mailing list have been
folded in:
- sart: %llx -> %pa for a phys_addr_t
- rtkit:/sart: Drop IS_ENABLED inside headers
- rtkit: Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL
- nvme: Set NVME_REQ_CANCELLED in the timeout handler
- nvme: Use DEFINE_SIMPLE_DEV_PM_OPS instead of #ifdef CONFIG_PM_SLEEP
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Merge tag 'asahi-soc-rtkit-sart-nvme-for-5.19' of https://github.com/AsahiLinux/linux into arm/drivers
Apple SoC NVMe driver and dependencies:
- RTKit IPC library required to boot and communicate with
co-processors embedded inside Apple SoCs
- SART DMA address filter required to allow some DMA transactions for
the NVMe co-processor
- NVMe platform driver
The following minor changes since v3 on the mailing list have been
folded in:
- sart: %llx -> %pa for a phys_addr_t
- rtkit:/sart: Drop IS_ENABLED inside headers
- rtkit: Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL
- nvme: Set NVME_REQ_CANCELLED in the timeout handler
- nvme: Use DEFINE_SIMPLE_DEV_PM_OPS instead of #ifdef CONFIG_PM_SLEEP
* tag 'asahi-soc-rtkit-sart-nvme-for-5.19' of https://github.com/AsahiLinux/linux:
nvme-apple: Add initial Apple SoC NVMe driver
dt-bindings: nvme: Add Apple ANS NVMe
soc: apple: Add SART driver
dt-bindings: iommu: Add Apple SART DMA address filter
soc: apple: Add RTKit IPC library
soc: apple: Always include Makefile
Link: https://lore.kernel.org/r/20220505154020.84638-1-sven@svenpeter.dev
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
please pull the following:
- Julia fixes a couple of typographic errors in the Brahma-B15 read
ahead cache driver and in the ARCH_BRCMSTB bare metal SMP bring-up code
- William adds a Kconfig entry for ARCH_BCMBCA which will be used to
upstream support for Broadcom's broadband SoCs
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Merge tag 'arm-soc/for-5.19/soc' of https://github.com/Broadcom/stblinux into arm/soc
This pull request contains Broadcom ARM-based SoC changes for 5.19,
please pull the following:
- Julia fixes a couple of typographic errors in the Brahma-B15 read
ahead cache driver and in the ARCH_BRCMSTB bare metal SMP bring-up code
- William adds a Kconfig entry for ARCH_BCMBCA which will be used to
upstream support for Broadcom's broadband SoCs
* tag 'arm-soc/for-5.19/soc' of https://github.com/Broadcom/stblinux:
arm: bcmbca: add arch bcmbca machine entry
ARM: brcmstb: fix typos in comments
ARM: mm: fix typos in comments
Link: https://lore.kernel.org/r/20220504210942.1838248-6-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The new state allowing device addition with paused balance is not
exported to user space so it can't recognize it and actually start the
operation.
Fixes: efc0e69c2f ("btrfs: introduce exclusive operation BALANCE_PAUSED state")
CC: stable@vger.kernel.org # 5.17
Signed-off-by: David Sterba <dsterba@suse.com>
When inserting a key range item (BTRFS_DIR_LOG_INDEX_KEY) while logging
a directory, we don't expect the insertion to fail with -EEXIST, because
we are holding the directory's log_mutex and we have dropped all existing
BTRFS_DIR_LOG_INDEX_KEY keys from the log tree before we started to log
the directory. However it's possible that during the logging we attempt
to insert the same BTRFS_DIR_LOG_INDEX_KEY key twice, but for this to
happen we need to race with insertions of items from other inodes in the
subvolume's tree while we are logging a directory. Here's how this can
happen:
1) We are logging a directory with inode number 1000 that has its items
spread across 3 leaves in the subvolume's tree:
leaf A - has index keys from the range 2 to 20 for example. The last
item in the leaf corresponds to a dir item for index number 20. All
these dir items were created in a past transaction.
leaf B - has index keys from the range 22 to 100 for example. It has
no keys from other inodes, all its keys are dir index keys for our
directory inode number 1000. Its first key is for the dir item with
a sequence number of 22. All these dir items were also created in a
past transaction.
leaf C - has index keys for our directory for the range 101 to 120 for
example. This leaf also has items from other inodes, and its first
item corresponds to the dir item for index number 101 for our directory
with inode number 1000;
2) When we finish processing the items from leaf A at log_dir_items(),
we log a BTRFS_DIR_LOG_INDEX_KEY key with an offset of 21 and a last
offset of 21, meaning the log is authoritative for the index range
from 21 to 21 (a single sequence number). At this point leaf B was
not yet modified in the current transaction;
3) When we return from log_dir_items() we have released our read lock on
leaf B, and have set *last_offset_ret to 21 (index number of the first
item on leaf B minus 1);
4) Some other task inserts an item for other inode (inode number 1001 for
example) into leaf C. That resulted in pushing some items from leaf C
into leaf B, in order to make room for the new item, so now leaf B
has dir index keys for the sequence number range from 22 to 102 and
leaf C has the dir items for the sequence number range 103 to 120;
5) At log_directory_changes() we call log_dir_items() again, passing it
a 'min_offset' / 'min_key' value of 22 (*last_offset_ret from step 3
plus 1, so 21 + 1). Then btrfs_search_forward() leaves us at slot 0
of leaf B, since leaf B was modified in the current transaction.
We have also initialized 'last_old_dentry_offset' to 20 after calling
btrfs_previous_item() at log_dir_items(), as it left us at the last
item of leaf A, which refers to the dir item with sequence number 20;
6) We then call process_dir_items_leaf() to process the dir items of
leaf B, and when we process the first item, corresponding to slot 0,
sequence number 22, we notice the dir item was created in a past
transaction and its sequence number is greater than the value of
*last_old_dentry_offset + 1 (20 + 1), so we decide to log again a
BTRFS_DIR_LOG_INDEX_KEY key with an offset of 21 and an end range
of 21 (key.offset - 1 == 22 - 1 == 21), which results in an -EEXIST
error from insert_dir_log_key(), as we have already inserted that
key at step 2, triggering the assertion at process_dir_items_leaf().
The trace produced in dmesg is like the following:
assertion failed: ret != -EEXIST, in fs/btrfs/tree-log.c:3857
[198255.980839][ T7460] ------------[ cut here ]------------
[198255.981666][ T7460] kernel BUG at fs/btrfs/ctree.h:3617!
[198255.983141][ T7460] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[198255.984080][ T7460] CPU: 0 PID: 7460 Comm: repro-ghost-dir Not tainted 5.18.0-5314c78ac373-misc-next+
[198255.986027][ T7460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014
[198255.988600][ T7460] RIP: 0010:assertfail.constprop.0+0x1c/0x1e
[198255.989465][ T7460] Code: 8b 4c 89 (...)
[198255.992599][ T7460] RSP: 0018:ffffc90007387188 EFLAGS: 00010282
[198255.993414][ T7460] RAX: 000000000000003d RBX: 0000000000000065 RCX: 0000000000000000
[198255.996056][ T7460] RDX: 0000000000000001 RSI: ffffffff8b62b180 RDI: fffff52000e70e24
[198255.997668][ T7460] RBP: ffffc90007387188 R08: 000000000000003d R09: ffff8881f0e16507
[198255.999199][ T7460] R10: ffffed103e1c2ca0 R11: 0000000000000001 R12: 00000000ffffffef
[198256.000683][ T7460] R13: ffff88813befc630 R14: ffff888116c16e70 R15: ffffc90007387358
[198256.007082][ T7460] FS: 00007fc7f7c24640(0000) GS:ffff8881f0c00000(0000) knlGS:0000000000000000
[198256.009939][ T7460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[198256.014133][ T7460] CR2: 0000560bb16d0b78 CR3: 0000000140b34005 CR4: 0000000000170ef0
[198256.015239][ T7460] Call Trace:
[198256.015674][ T7460] <TASK>
[198256.016313][ T7460] log_dir_items.cold+0x16/0x2c
[198256.018858][ T7460] ? replay_one_extent+0xbf0/0xbf0
[198256.025932][ T7460] ? release_extent_buffer+0x1d2/0x270
[198256.029658][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.031114][ T7460] ? lock_acquired+0xbe/0x660
[198256.032633][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.034386][ T7460] ? lock_release+0xcf/0x8a0
[198256.036152][ T7460] log_directory_changes+0xf9/0x170
[198256.036993][ T7460] ? log_dir_items+0xba0/0xba0
[198256.037661][ T7460] ? do_raw_write_unlock+0x7d/0xe0
[198256.038680][ T7460] btrfs_log_inode+0x233b/0x26d0
[198256.041294][ T7460] ? log_directory_changes+0x170/0x170
[198256.042864][ T7460] ? btrfs_attach_transaction_barrier+0x60/0x60
[198256.045130][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.046568][ T7460] ? lock_release+0xcf/0x8a0
[198256.047504][ T7460] ? lock_downgrade+0x420/0x420
[198256.048712][ T7460] ? ilookup5_nowait+0x81/0xa0
[198256.049747][ T7460] ? lock_downgrade+0x420/0x420
[198256.050652][ T7460] ? do_raw_spin_unlock+0xa9/0x100
[198256.051618][ T7460] ? __might_resched+0x128/0x1c0
[198256.052511][ T7460] ? __might_sleep+0x66/0xc0
[198256.053442][ T7460] ? __kasan_check_read+0x11/0x20
[198256.054251][ T7460] ? iget5_locked+0xbd/0x150
[198256.054986][ T7460] ? run_delayed_iput_locked+0x110/0x110
[198256.055929][ T7460] ? btrfs_iget+0xc7/0x150
[198256.056630][ T7460] ? btrfs_orphan_cleanup+0x4a0/0x4a0
[198256.057502][ T7460] ? free_extent_buffer+0x13/0x20
[198256.058322][ T7460] btrfs_log_inode+0x2654/0x26d0
[198256.059137][ T7460] ? log_directory_changes+0x170/0x170
[198256.060020][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.060930][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.061905][ T7460] ? lock_contended+0x770/0x770
[198256.062682][ T7460] ? btrfs_log_inode_parent+0xd04/0x1750
[198256.063582][ T7460] ? lock_downgrade+0x420/0x420
[198256.064432][ T7460] ? preempt_count_sub+0x18/0xc0
[198256.065550][ T7460] ? __mutex_lock+0x580/0xdc0
[198256.066654][ T7460] ? stack_trace_save+0x94/0xc0
[198256.068008][ T7460] ? __kasan_check_write+0x14/0x20
[198256.072149][ T7460] ? __mutex_unlock_slowpath+0x12a/0x430
[198256.073145][ T7460] ? mutex_lock_io_nested+0xcd0/0xcd0
[198256.074341][ T7460] ? wait_for_completion_io_timeout+0x20/0x20
[198256.075345][ T7460] ? lock_downgrade+0x420/0x420
[198256.076142][ T7460] ? lock_contended+0x770/0x770
[198256.076939][ T7460] ? do_raw_spin_lock+0x1c0/0x1c0
[198256.078401][ T7460] ? btrfs_sync_file+0x5e6/0xa40
[198256.080598][ T7460] btrfs_log_inode_parent+0x523/0x1750
[198256.081991][ T7460] ? wait_current_trans+0xc8/0x240
[198256.083320][ T7460] ? lock_downgrade+0x420/0x420
[198256.085450][ T7460] ? btrfs_end_log_trans+0x70/0x70
[198256.086362][ T7460] ? rcu_read_lock_sched_held+0x16/0x80
[198256.087544][ T7460] ? lock_release+0xcf/0x8a0
[198256.088305][ T7460] ? lock_downgrade+0x420/0x420
[198256.090375][ T7460] ? dget_parent+0x8e/0x300
[198256.093538][ T7460] ? do_raw_spin_lock+0x1c0/0x1c0
[198256.094918][ T7460] ? lock_downgrade+0x420/0x420
[198256.097815][ T7460] ? do_raw_spin_unlock+0xa9/0x100
[198256.101822][ T7460] ? dget_parent+0xb7/0x300
[198256.103345][ T7460] btrfs_log_dentry_safe+0x48/0x60
[198256.105052][ T7460] btrfs_sync_file+0x629/0xa40
[198256.106829][ T7460] ? start_ordered_ops.constprop.0+0x120/0x120
[198256.109655][ T7460] ? __fget_files+0x161/0x230
[198256.110760][ T7460] vfs_fsync_range+0x6d/0x110
[198256.111923][ T7460] ? start_ordered_ops.constprop.0+0x120/0x120
[198256.113556][ T7460] __x64_sys_fsync+0x45/0x70
[198256.114323][ T7460] do_syscall_64+0x5c/0xc0
[198256.115084][ T7460] ? syscall_exit_to_user_mode+0x3b/0x50
[198256.116030][ T7460] ? do_syscall_64+0x69/0xc0
[198256.116768][ T7460] ? do_syscall_64+0x69/0xc0
[198256.117555][ T7460] ? do_syscall_64+0x69/0xc0
[198256.118324][ T7460] ? sysvec_call_function_single+0x57/0xc0
[198256.119308][ T7460] ? asm_sysvec_call_function_single+0xa/0x20
[198256.120363][ T7460] entry_SYSCALL_64_after_hwframe+0x44/0xae
[198256.121334][ T7460] RIP: 0033:0x7fc7fe97b6ab
[198256.122067][ T7460] Code: 0f 05 48 (...)
[198256.125198][ T7460] RSP: 002b:00007fc7f7c23950 EFLAGS: 00000293 ORIG_RAX: 000000000000004a
[198256.126568][ T7460] RAX: ffffffffffffffda RBX: 00007fc7f7c239f0 RCX: 00007fc7fe97b6ab
[198256.127942][ T7460] RDX: 0000000000000002 RSI: 000056167536bcf0 RDI: 0000000000000004
[198256.129302][ T7460] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000007ffffeb8
[198256.130670][ T7460] R10: 00000000000001ff R11: 0000000000000293 R12: 0000000000000001
[198256.132046][ T7460] R13: 0000561674ca8140 R14: 00007fc7f7c239d0 R15: 000056167536dab8
[198256.133403][ T7460] </TASK>
Fix this by treating -EEXIST as expected at insert_dir_log_key() and have
it update the item with an end offset corresponding to the maximum between
the previously logged end offset and the new requested end offset. The end
offsets may be different due to dir index key deletions that happened as
part of unlink operations while we are logging a directory (triggered when
fsyncing some other inode parented by the directory) or during renames
which always attempt to log a single dir index deletion.
Reported-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Link: https://lore.kernel.org/linux-btrfs/YmyefE9mc2xl5ZMz@hungrycats.org/
Fixes: 732d591a5d ("btrfs: stop copying old dir items when logging a directory")
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
btrfs_zone_activate() checks if it activated all the underlying zones in
the loop. However, that check never hit on an unlimited activate zone
device (max_active_zones == 0).
Fortunately, it still works without ENOSPC because btrfs_zone_activate()
returns true in the end, even if block_group->zone_is_active == 0. But, it
is confusing to have non zone_is_active block group still usable for
allocation. Also, we are wasting CPU time to iterate the loop every time
btrfs_zone_activate() is called for the blog groups.
Since error case in the loop is handled by out_unlock, we can just set
zone_is_active and do the list stuff after the loop.
Fixes: f9a912a3c4 ("btrfs: zoned: make zone activation multi stripe capable")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
btrfs_zone_activate() checks if block_group->alloc_offset ==
block_group->zone_capacity every time it iterates the loop. But, it is
not depending on the index. Move out the check and do it only once.
Fixes: f9a912a3c4 ("btrfs: zoned: make zone activation multi stripe capable")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
[BUG]
For a 4K sector sized btrfs with v1 cache enabled and only mounted on
systems with 4K page size, if it's mounted on subpage (64K page size)
systems, it can cause the following warning on v1 space cache:
BTRFS error (device dm-1): csum mismatch on free space cache
BTRFS warning (device dm-1): failed to load free space cache for block group 84082688, rebuilding it now
Although not a big deal, as kernel can rebuild it without problem, such
warning will bother end users, especially if they want to switch the
same btrfs seamlessly between different page sized systems.
[CAUSE]
V1 free space cache is still using fixed PAGE_SIZE for various bitmap,
like BITS_PER_BITMAP.
Such hard-coded PAGE_SIZE usage will cause various mismatch, from v1
cache size to checksum.
Thus kernel will always reject v1 cache with a different PAGE_SIZE with
csum mismatch.
[FIX]
Although we should fix v1 cache, it's already going to be marked
deprecated soon.
And we have v2 cache based on metadata (which is already fully subpage
compatible), and it has almost everything superior than v1 cache.
So just force subpage mount to use v2 cache on mount.
Reported-by: Matt Corallo <blnxfsl@bluematt.me>
CC: stable@vger.kernel.org # 5.15+
Link: https://lore.kernel.org/linux-btrfs/61aa27d1-30fc-c1a9-f0f4-9df544395ec3@bluematt.me/
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
There are 3 places where the cpu and node masks of the top cpuset can
be initialized in the order they are executed:
1) start_kernel -> cpuset_init()
2) start_kernel -> cgroup_init() -> cpuset_bind()
3) kernel_init_freeable() -> do_basic_setup() -> cpuset_init_smp()
The first cpuset_init() call just sets all the bits in the masks.
The second cpuset_bind() call sets cpus_allowed and mems_allowed to the
default v2 values. The third cpuset_init_smp() call sets them back to
v1 values.
For systems with cgroup v2 setup, cpuset_bind() is called once. As a
result, cpu and memory node hot add may fail to update the cpu and node
masks of the top cpuset to include the newly added cpu or node in a
cgroup v2 environment.
For systems with cgroup v1 setup, cpuset_bind() is called again by
rebind_subsystem() when the v1 cpuset filesystem is mounted as shown
in the dmesg log below with an instrumented kernel.
[ 2.609781] cpuset_bind() called - v2 = 1
[ 3.079473] cpuset_init_smp() called
[ 7.103710] cpuset_bind() called - v2 = 0
smp_init() is called after the first two init functions. So we don't
have a complete list of active cpus and memory nodes until later in
cpuset_init_smp() which is the right time to set up effective_cpus
and effective_mems.
To fix this cgroup v2 mask setup problem, the potentially incorrect
cpus_allowed & mems_allowed setting in cpuset_init_smp() are removed.
For cgroup v2 systems, the initial cpuset_bind() call will set the masks
correctly. For cgroup v1 systems, the second call to cpuset_bind()
will do the right setup.
cc: stable@vger.kernel.org
Signed-off-by: Waiman Long <longman@redhat.com>
Tested-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Devicetree updates for few boards and more clean-up for make dtbs warnings:
- Updates for am335x-myirtech oscillator and mtd
- Firmware configuration for i2c voltage scaling and IO isolation for am3/4
that are wired for these features
- A series of omap3 clock node clean-up for make dtbs warnings for
unique_unit_address and node_name_chars_strict
- Updates for dma-channel usage to add the generic dma-common properties
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Merge tag 'omap-for-v5.19/dt-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt
More devicetree changes for omaps
Devicetree updates for few boards and more clean-up for make dtbs warnings:
- Updates for am335x-myirtech oscillator and mtd
- Firmware configuration for i2c voltage scaling and IO isolation for am3/4
that are wired for these features
- A series of omap3 clock node clean-up for make dtbs warnings for
unique_unit_address and node_name_chars_strict
- Updates for dma-channel usage to add the generic dma-common properties
* tag 'omap-for-v5.19/dt-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
ARM: dts: dm81xx: use new 'dma-channels/requests' properties
ARM: dts: am33xx: use new 'dma-channels/requests' properties
ARM: dts: Group omap3 CM_CLKSEL1_EMU clocks
ARM: dts: Group omap3 CM_CLKSEL_PER clocks
ARM: dts: Group omap3 CM_ICLKEN_PER clocks
ARM: dts: Group omap3 CM_FCLKEN_PER clocks
ARM: dts: Group omap3 CM_FCLKEN_CAM clocks
ARM: dts: Group omap3 CM_CLKSEL_DSS clocks
ARM: dts: Group omap3 CM_FCLKEN_DSS clocks
ARM: dts: Group omap3 CM_CLKOUT_CTRL clocks
ARM: dts: Group omap3 CM_CLKSEL1_PLL clocks
ARM: dts: Group omap3 CM_CLKSEL_WKUP clocks
ARM: dts: Group omap3 CM_ICLKEN_WKUP clocks
ARM: dts: Group omap3 CM_FCLKEN_WKUP clocks
ARM: dts: Group omap3 CM_CLKSEL_CORE clocks
ARM: dts: Group omap3 CM_ICLKEN3_CORE clocks
ARM: dts: Group omap3 CM_ICLKEN1_CORE clocks
ARM: dts: Group omap3 crypto accelerator clocks
ARM: dts: Group omap3 CM_FCLKEN1_CORE clocks
ARM: dts: Group omap3 CONTROL_DEVCONF1 clocks
...
Link: https://lore.kernel.org/r/pull-1651726643-535261@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The ice_for_each_vf macros have comments describing the implementation. One
of the arguments has a period on the end, which is not our typical style.
Remove the unnecessary period.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This function definition was missing a comment describing its
implementation. Add one.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The comment explaining ice_reset_vf has an extraneous "the" with the "if
the resets are disabled". Remove it.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Since commit fe99d1c06c ("ice: make ice_reset_all_vfs void"), the
ice_reset_all_vfs function has not returned anything. The function comment
still indicated it did. Fix this.
While here, also add a line to clarify the function resets all VFs at once
in response to hardware resets such as a PF reset.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The ice_get_vf_vsi function can return NULL in some cases, such as if
handling messages during a reset where the VSI is being removed and
recreated.
Several places throughout the driver do not bother to check whether this
VSI pointer is valid. Static analysis tools maybe report issues because
they detect paths where a potentially NULL pointer could be dereferenced.
Fix this by checking the return value of ice_get_vf_vsi everywhere.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The debug print in ice_vf_fdir_dump_info does not end in newlines. This can
look confusing when reading the kernel log, as the next print will
immediately continue on the same line.
Fix this by adding the forgotten newline.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Switch id should be the same for each netdevice on a driver.
The id must be unique between devices on the same system, but
does not need to be unique between devices on different systems.
The switch id is used to locate ports on a switch and to know if
aggregated ports belong to the same switch.
To meet this requirements, use pci_get_dsn as switch id value, as
this is unique value for each devices on the same system.
Implementing switch id is needed by automatic tools for kubernetes.
Set switch id by setting devlink port attribiutes and calling
devlink_port_attrs_set while creating pf (for uplink) and vf
(for representator) devlink port.
To get switch id (in switchdev mode):
cat /sys/class/net/$PF0/phys_switch_id
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
When number of words exceeds ICE_MAX_CHAIN_WORDS, -ENOSPC
should be returned not -EINVAL. Do not overwrite this
error code in ice_add_tc_flower_adv_fltr.
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Suggested-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Both ice_idc.c and ice_virtchnl.c carry their own implementation of a
helper function that is looking for a given VSI based on provided
vsi_num. Their functionality is the same, so let's introduce the common
function in ice.h that both of the mentioned sites will use.
This is a strictly cleanup thing, no functionality is changed.
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fix the following coccicheck warning:
./drivers/net/ethernet/intel/ice/ice_gnss.c:79:26-27: WARNING opportunity for min()
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
please pull the following:
- Krzysztof fixes the SPI NOR Device Tree node name to comply with the
dtschema
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Merge tag 'arm-soc/for-5.19/devicetree-arm64' of https://github.com/Broadcom/stblinux into arm/dt
This pull request contains Broadcom ARM64-based SoCs changes for 5.19,
please pull the following:
- Krzysztof fixes the SPI NOR Device Tree node name to comply with the
dtschema
* tag 'arm-soc/for-5.19/devicetree-arm64' of https://github.com/Broadcom/stblinux:
arm64: dts: broadcom: align SPI NOR node name with dtschema
Link: https://lore.kernel.org/r/20220504210942.1838248-3-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Disable -Warray-bounds warning for gcc12, since there known way to
workaround false positive warnings on lowcore accesses would result
in worse code on fast paths.
- Avoid lockdep_assert_held() warning in kvm vm memop code.
- Reduce overhead within gmap_rmap code to get rid of long latencies
when e.g. shutting down 2nd level guests.
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Merge tag 's390-5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Disable -Warray-bounds warning for gcc12, since the only known way to
workaround false positive warnings on lowcore accesses would result
in worse code on fast paths.
- Avoid lockdep_assert_held() warning in kvm vm memop code.
- Reduce overhead within gmap_rmap code to get rid of long latencies
when e.g. shutting down 2nd level guests.
* tag 's390-5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
KVM: s390: vsie/gmap: reduce gmap_rmap overhead
KVM: s390: Fix lockdep issue in vm memop
s390: disable -Warray-bounds
all_cpus is merged into during propagation. Initially all_cpus is set
from PMU sysfs. perf_evlist__set_maps() will recompute it and change
evsel->cpus to user_requested_cpus if they are given.
If all_cpus isn't cleared then the union of the user_requested_cpus and
PMU sysfs values is set to all_cpus, whereas just user_requested_cpus is
necessary.
To avoid this make all_cpus empty prior to propagation.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: German Gomez <german.gomez@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lore.kernel.org/lkml/20220503041757.2365696-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This LRADC variant uses the same 3/4*AVCC reference voltage as the A83T
variant. The R329 and D1 LRADCs appear to be identical, so D1 support is
accomplished through having the R329 LRADC as a fallback compatible.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220414002349.24332-3-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Until the R329, the LRADC hardware was always active. Now it requires
enabling a clock gate and deasserting a reset line. Add support for this
variant of the hardware.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220414002349.24332-2-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The R329 and D1 SoCs each contain an LRADC with a programming interface
compatible to earlier LRADCs. However, the LRADC now has its own clock
gate and reset line, instead of being always active.
To support this, add clock/reset properties to the binding, and require
them for the variant in the new SoCs.
Acked-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220414002349.24332-1-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add node for dvi bridge and the endpoint nodes to
describe connection from
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector.
Also add the required pinmux for HDMI hotplug and
powerdown
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220505090709.9252-3-r-ravikumar@ti.com
Add the endpoint nodes to describe connection from
DSS => MHDP => DisplayPort connector.
Also add the required pinmux nodes for hotplug.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220429112639.13004-3-r-ravikumar@ti.com
Add DT nodes for DisplayPort and DisplayPort PHY. The DP is Cadence MHDP
8546 and the PHY is a Cadence Torrent PHY with TI WIZ wrapper.
Also add the required phy link nodes in the board dts files.
A slight irregularity in the bindings is the DPTX PHY register block,
which is in the MHDP IP, but is needed and mapped by the PHY.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220429112639.13004-2-r-ravikumar@ti.com
Switch some raw accesses to the cpu map to using the library API. This
can help with reference count checking. Some BPF cases switch from index
to CPU for consistency, this shouldn't matter as the CPU map is full.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: German Gomez <german.gomez@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lore.kernel.org/lkml/20220503041757.2365696-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
wireguard
Previous releases - regressions:
- igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter()
- mld: respect RCU rules in ip6_mc_source() and ip6_mc_msfilter()
- rds: acquire netns refcount on TCP sockets
- rxrpc: enable IPv6 checksums on transport socket
- nic: hinic: fix bug of wq out of bound access
- nic: thunder: don't use pci_irq_vector() in atomic context
- nic: bnxt_en: fix possible bnxt_open() failure caused by wrong RFS flag
- nic: mlx5e:
- lag, fix use-after-free in fib event handler
- fix deadlock in sync reset flow
Previous releases - always broken:
- tcp: fix insufficient TCP source port randomness
- can: grcan: grcan_close(): fix deadlock
- nfc: reorder destructive operations in to avoid bugs
Misc:
- wireguard: improve selftests reliability
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, rxrpc and wireguard.
Previous releases - regressions:
- igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter()
- mld: respect RCU rules in ip6_mc_source() and ip6_mc_msfilter()
- rds: acquire netns refcount on TCP sockets
- rxrpc: enable IPv6 checksums on transport socket
- nic: hinic: fix bug of wq out of bound access
- nic: thunder: don't use pci_irq_vector() in atomic context
- nic: bnxt_en: fix possible bnxt_open() failure caused by wrong RFS
flag
- nic: mlx5e:
- lag, fix use-after-free in fib event handler
- fix deadlock in sync reset flow
Previous releases - always broken:
- tcp: fix insufficient TCP source port randomness
- can: grcan: grcan_close(): fix deadlock
- nfc: reorder destructive operations in to avoid bugs
Misc:
- wireguard: improve selftests reliability"
* tag 'net-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits)
NFC: netlink: fix sleep in atomic bug when firmware download timeout
selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer
tcp: drop the hash_32() part from the index calculation
tcp: increase source port perturb table to 2^16
tcp: dynamically allocate the perturb table used by source ports
tcp: add small random increments to the source port
tcp: resalt the secret every 10 seconds
tcp: use different parts of the port_offset for index and offset
secure_seq: use the 64 bits of the siphash for port offset calculation
wireguard: selftests: set panic_on_warn=1 from cmdline
wireguard: selftests: bump package deps
wireguard: selftests: restore support for ccache
wireguard: selftests: use newer toolchains to fill out architectures
wireguard: selftests: limit parallelism to $(nproc) tests at once
wireguard: selftests: make routing loop test non-fatal
net/mlx5: Fix matching on inner TTC
net/mlx5: Avoid double clear or set of sync reset requested
net/mlx5: Fix deadlock in sync reset flow
net/mlx5e: Fix trust state reset in reload
net/mlx5e: Avoid checking offload capability in post_parse action
...
Permit fsverity's file digest (a hash of struct fsverity_descriptor) to
be included in the IMA measurement list, based on the new measurement
policy rule 'digest_type=verity' option.
To differentiate between a regular IMA file hash from an fsverity's
file digest, use the new d-ngv2 format field included in the ima-ngv2
template.
The following policy rule requires fsverity file digests and specifies
the new 'ima-ngv2' template, which contains the new 'd-ngv2' field. The
policy rule may be constrained, for example based on a fsuuid or LSM
label.
measure func=FILE_CHECK digest_type=verity template=ima-ngv2
Acked-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
In preparation to differentiate between unsigned regular IMA file
hashes and fs-verity's file digests in the IMA measurement list,
define a new template field named 'd-ngv2'.
Also define two new templates named 'ima-ngv2' and 'ima-sigv2', which
include the new 'd-ngv2' field.
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
kmap() is being deprecated and these usages are all local to the thread
so there is no reason kmap_local_page() can't be used.
Replace kmap() calls with kmap_local_page().
Signed-off-by: Alaa Mohamed <eng.alaamohamedsoliman.am@gmail.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The module_param allow_unsupported_sfp should be a boolean to match the
type in the ixgbe_hw struct.
Signed-off-by: Jeff Daly <jeffd@silicom-usa.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Make the panel type code a bit more abstract along the
lines of the source of the panel type. For the moment
we have three classes: OpRegion, VBT, fallback.
Well introduce another one shortly.
We can now also print out all the different panel types,
and indicate which one we ultimately selected. Could help
with debugging.
v2: Add .get_panel_type() vfunc (Jani)
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504150440.13748-8-ville.syrjala@linux.intel.com
Just assume panel_type==0 always if the VBT gives us bogus data.
We actually already do this everywhere else except in
parse_panel_options() since we just leave i915->vbt.panel_type
zeroed. This also seems to be what Windows does.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504150440.13748-6-ville.syrjala@linux.intel.com
