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The eMMC and SDHI pin control configuration nodes in DT have subnodes
with the same names ("data" and "ctrl"). As the RZ/V2M pin control
driver considers only the names of the subnodes, this leads to
conflicts:
pinctrl-rzv2m b6250000.pinctrl: pin P8_2 already requested by 85000000.mmc; cannot claim for 85020000.mmc
pinctrl-rzv2m b6250000.pinctrl: pin-130 (85020000.mmc) status -22
renesas_sdhi_internal_dmac 85020000.mmc: Error applying setting, reverse things back
Fix this by constructing unique names from the node names of both the
pin control configuration node and its child node, where appropriate.
Reported by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Fixes: 92a9b825257614af ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Link: https://lore.kernel.org/r/607bd6ab4905b0b1b119a06ef953fa1184505777.1688396717.git.geert+renesas@glider.be
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Debounce handling is done in two different entry points in the driver.
Unify this to make sure that it's always handled the same.
Tested-by: Jan Visser <starquake@linuxeverywhere.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230705133005.577-5-mario.limonciello@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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pinctrl-amd currently tries to program bit 19 of all GPIOs to select
either a 4kΩ or 8hΩ pull up, but this isn't what bit 19 does. Bit
19 is marked as reserved, even in the latest platforms documentation.
Drop this programming functionality.
Tested-by: Jan Visser <starquake@linuxeverywhere.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230705133005.577-4-mario.limonciello@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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On ASUS TUF A16 it is reported that the ITE5570 ACPI device connected to
GPIO 7 is causing an interrupt storm. This issue doesn't happen on
Windows.
Comparing the GPIO register configuration between Windows and Linux
bit 20 has been configured as a pull up on Windows, but not on Linux.
Checking GPIO declaration from the firmware it is clear it *should* have
been a pull up on Linux as well.
```
GpioInt (Level, ActiveLow, Exclusive, PullUp, 0x0000,
"\\_SB.GPIO", 0x00, ResourceConsumer, ,)
{ // Pin list
0x0007
}
```
On Linux amd_gpio_set_config() is currently only used for programming
the debounce. Actually the GPIO core calls it with all the arguments
that are supported by a GPIO, pinctrl-amd just responds `-ENOTSUPP`.
To solve this issue expand amd_gpio_set_config() to support the other
arguments amd_pinconf_set() supports, namely `PIN_CONFIG_BIAS_PULL_DOWN`,
`PIN_CONFIG_BIAS_PULL_UP`, and `PIN_CONFIG_DRIVE_STRENGTH`.
Reported-by: Nik P <npliashechnikov@gmail.com>
Reported-by: Nathan Schulte <nmschulte@gmail.com>
Reported-by: Friedrich Vock <friedrich.vock@gmx.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217336
Reported-by: dridri85@gmail.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217493
Link: https://lore.kernel.org/linux-input/20230530154058.17594-1-friedrich.vock@gmx.de/
Tested-by: Jan Visser <starquake@linuxeverywhere.org>
Fixes: 2956b5d94a76 ("pinctrl / gpio: Introduce .set_config() callback for GPIO chips")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230705133005.577-3-mario.limonciello@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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It's uncommon to use debounce on any other pin, but technically
we should only set debounce to 0 when working off GPIO0.
Cc: stable@vger.kernel.org
Tested-by: Jan Visser <starquake@linuxeverywhere.org>
Fixes: 968ab9261627 ("pinctrl: amd: Detect internal GPIO0 debounce handling")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230705133005.577-2-mario.limonciello@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of fairly minor driver specific fixes here, plus a bunch of
maintainership and admin updates. Nothing too remarkable"
* tag 'spi-fix-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
mailmap: add entry for Jonas Gorski
MAINTAINERS: add myself for spi-bcm63xx
spi: s3c64xx: clear loopback bit after loopback test
spi: bcm63xx: fix max prepend length
MAINTAINERS: Add myself as a maintainer for Microchip SPI
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When SPI loopback transfer is performed, S3C64XX_SPI_MODE_SELF_LOOPBACK
bit still remained. It works as loopback even if the next transfer is
not spi loopback mode.
If not SPI_LOOP, needs to clear S3C64XX_SPI_MODE_SELF_LOOPBACK bit.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Fixes: ffb7bcd3b27e ("spi: s3c64xx: support loopback mode")
Reviewed-by: Chanho Park <chanho61.park@samsung.com>
Link: https://lore.kernel.org/r/20230711082020.138165-1-jaewon02.kim@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The command word is defined as following:
/* Command */
#define SPI_CMD_COMMAND_SHIFT 0
#define SPI_CMD_DEVICE_ID_SHIFT 4
#define SPI_CMD_PREPEND_BYTE_CNT_SHIFT 8
#define SPI_CMD_ONE_BYTE_SHIFT 11
#define SPI_CMD_ONE_WIRE_SHIFT 12
If the prepend byte count field starts at bit 8, and the next defined
bit is SPI_CMD_ONE_BYTE at bit 11, it can be at most 3 bits wide, and
thus the max value is 7, not 15.
Fixes: b17de076062a ("spi/bcm63xx: work around inability to keep CS up")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://lore.kernel.org/r/20230629071453.62024-1-jonas.gorski@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"One fix for an out of bounds access in the interupt code here"
* tag 'regmap-fix-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap-irq: Fix out-of-bounds access when allocating config buffers
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When allocating the 2D array for handling IRQ type registers in
regmap_add_irq_chip_fwnode(), the intent is to allocate a matrix
with num_config_bases rows and num_config_regs columns.
This is currently handled by allocating a buffer to hold a pointer for
each row (i.e. num_config_bases). After that, the logic attempts to
allocate the memory required to hold the register configuration for
each row. However, instead of doing this allocation for each row
(i.e. num_config_bases allocations), the logic erroneously does this
allocation num_config_regs number of times.
This scenario can lead to out-of-bounds accesses when num_config_regs
is greater than num_config_bases. Fix this by updating the terminating
condition of the loop that allocates the memory for holding the register
configuration to allocate memory only for each row in the matrix.
Amit Pundir reported a crash that was occurring on his db845c device
due to memory corruption (see "Closes" tag for Amit's report). The KASAN
report below helped narrow it down to this issue:
[ 14.033877][ T1] ==================================================================
[ 14.042507][ T1] BUG: KASAN: invalid-access in regmap_add_irq_chip_fwnode+0x594/0x1364
[ 14.050796][ T1] Write of size 8 at addr 06ffff8081021850 by task init/1
[ 14.242004][ T1] The buggy address belongs to the object at ffffff8081021850
[ 14.242004][ T1] which belongs to the cache kmalloc-8 of size 8
[ 14.255669][ T1] The buggy address is located 0 bytes inside of
[ 14.255669][ T1] 8-byte region [ffffff8081021850, ffffff8081021858)
Fixes: faa87ce9196d ("regmap-irq: Introduce config registers for irq types")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Closes: https://lore.kernel.org/all/CAMi1Hd04mu6JojT3y6wyN2YeVkPR5R3qnkKJ8iR8if_YByCn4w@mail.gmail.com/
Tested-by: John Stultz <jstultz@google.com>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # tested on Dragonboard 845c
Cc: stable@vger.kernel.org # v6.0+
Cc: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: "Isaac J. Manjarres" <isaacmanjarres@google.com>
Link: https://lore.kernel.org/r/20230711193059.2480971-1-isaacmanjarres@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Fix a regression causing a crash on sysfs access of iommu-group
specific files
- Fix signedness bug in SVA code
* tag 'iommu-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/sva: Fix signedness bug in iommu_sva_alloc_pasid()
iommu: Fix crash during syfs iommu_groups/N/type
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The ida_alloc_range() function returns negative error codes on error.
On success it returns values in the min to max range (inclusive). It
never returns more then INT_MAX even if "max" is higher. It never
returns values in the 0 to (min - 1) range.
The bug is that "min" is an unsigned int so negative error codes will
be promoted to high positive values errors treated as success.
Fixes: 1a14bf0fc7ed ("iommu/sva: Use GFP_KERNEL for pasid allocation")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/6b32095d-7491-4ebb-a850-12e96209eaaf@kili.mountain
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The err_restore_domain flow was accidently inserted into the success path
in commit 1000dccd5d13 ("iommu: Allow IOMMU_RESV_DIRECT to work on
ARM"). It should only happen if iommu_create_device_direct_mappings()
fails. This caused the domains the be wrongly changed and freed whenever
the sysfs is used, resulting in an oops:
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 PID: 3417 Comm: avocado Not tainted 6.4.0-rc4-next-20230602 #3
Hardware name: Dell Inc. PowerEdge R6515/07PXPY, BIOS 2.3.6 07/06/2021
RIP: 0010:__iommu_attach_device+0xc/0xa0
Code: c0 c3 cc cc cc cc 48 89 f0 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 54 55 48 8b 47 08 <48> 8b 00 48 85 c0 74 74 48 89 f5 e8 64 12 49 00 41 89 c4 85 c0 74
RSP: 0018:ffffabae0220bd48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9ac04f70e410 RCX: 0000000000000001
RDX: ffff9ac044db20c0 RSI: ffff9ac044fa50d0 RDI: ffff9ac04f70e410
RBP: ffff9ac044fa50d0 R08: 1000000100209001 R09: 00000000000002dc
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9ac043d54700
R13: ffff9ac043d54700 R14: 0000000000000001 R15: 0000000000000001
FS: 00007f02e30ae000(0000) GS:ffff9afeb2440000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012afca006 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
<TASK>
? __die+0x24/0x70
? page_fault_oops+0x82/0x150
? __iommu_queue_command_sync+0x80/0xc0
? exc_page_fault+0x69/0x150
? asm_exc_page_fault+0x26/0x30
? __iommu_attach_device+0xc/0xa0
? __iommu_attach_device+0x1c/0xa0
__iommu_device_set_domain+0x42/0x80
__iommu_group_set_domain_internal+0x5d/0x160
iommu_setup_default_domain+0x318/0x400
iommu_group_store_type+0xb1/0x200
kernfs_fop_write_iter+0x12f/0x1c0
vfs_write+0x2a2/0x3b0
ksys_write+0x63/0xe0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f02e2f14a6f
Reorganize the error flow so that the success branch and error branches
are clearer.
Fixes: 1000dccd5d13 ("iommu: Allow IOMMU_RESV_DIRECT to work on ARM")
Reported-by: Dheeraj Kumar Srivastava <dheerajkumar.srivastava@amd.com>
Tested-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/0-v1-5bd8cc969d9e+1f1-iommu_set_def_fix_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a bunch of small driver fixes and a larger rework of zone disk
handling (which reaches into blk and nvme).
The aacraid array-bounds fix is now critical since the security people
turned on -Werror for some build tests, which now fail without it"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: storvsc: Handle SRB status value 0x30
scsi: block: Improve checks in blk_revalidate_disk_zones()
scsi: block: virtio_blk: Set zone limits before revalidating zones
scsi: block: nullblk: Set zone limits before revalidating zones
scsi: nvme: zns: Set zone limits before revalidating zones
scsi: sd_zbc: Set zone limits before revalidating zones
scsi: ufs: core: Add support for qTimestamp attribute
scsi: aacraid: Avoid -Warray-bounds warning
scsi: ufs: ufs-mediatek: Add dependency for RESET_CONTROLLER
scsi: ufs: core: Update contact email for monitor sysfs nodes
scsi: scsi_debug: Remove dead code
scsi: qla2xxx: Use vmalloc_array() and vcalloc()
scsi: fnic: Use vmalloc_array() and vcalloc()
scsi: qla2xxx: Fix error code in qla2x00_start_sp()
scsi: qla2xxx: Silence a static checker warning
scsi: lpfc: Fix a possible data race in lpfc_unregister_fcf_rescan()
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In response to a disk I/O request, Hyper-V has been observed to return SRB
status value 0x30. This indicates the request was not processed by Hyper-V
because low memory conditions on the host caused an internal error. The
0x30 status is not recognized by storvsc, so the I/O operation is not
flagged as an error. The request is treated as if it completed normally but
with zero data transferred, causing a flood of retries.
Add a definition for this SRB status value and handle it like other error
statuses from the Hyper-V host.
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1688788886-94279-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull in the currently staged SCSI fixes for 6.5.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Damien Le Moal <dlemoal@kernel.org> says:
blk_revalidate_disk_zones() implements checks of the zones of a zoned
block device, verifying that the zone size is a power of 2 number of
sectors, that all zones (except possibly the last one) have the same
size and that zones cover the entire addressing space of the device.
While these checks are appropriate to verify that well tested hardware
devices have an adequate zone configurations, they lack in certain areas
which may result in issues with potentially buggy emulated devices
implemented with user drivers such as ublk or tcmu. Specifically, this
function does not check if the device driver indicated support for the
mandatory zone append writes, that is, if the device
max_zone_append_sectors queue limit is set to a non-zero value.
Additionally, invalid zones such as a zero length zone with a start
sector equal to the device capacity will not be detected and result in
out of bounds use of the zone bitmaps prepared with the callback
function blk_revalidate_zone_cb().
This series address these issues by modifying the 4 block device drivers
that currently support zoned block devices to ensure that they all set a
zoned device zone size and max zone append sectors limit before
executing blk_revalidate_disk_zones(). With these changes in place,
patch 5 improves blk_revalidate_disk_zones() to address the missing
checks, relying on the fact that the zone size and zone append limit are
normally set when this function is called.
Link: https://lore.kernel.org/r/20230703024812.76778-1-dlemoal@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In virtblk_probe_zoned_device(), execute blk_queue_chunk_sectors() and
blk_queue_max_zone_append_sectors() to respectively set the zoned device
zone size and maximum zone append sector limit before executing
blk_revalidate_disk_zones(). This is to allow the block layer zone
reavlidation to check these device characteristics prior to checking all
zones of the device.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230703024812.76778-5-dlemoal@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In null_register_zoned_dev(), execute blk_queue_chunk_sectors() and
blk_queue_max_zone_append_sectors() to respectively set the zoned device
zone size and maximum zone append sector limit before executing
blk_revalidate_disk_zones(). This is to allow the block layer zone
reavlidation to check these device characteristics prior to checking all
zones of the device.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230703024812.76778-4-dlemoal@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In nvme_revalidate_zones(), execute blk_queue_chunk_sectors() and
blk_queue_max_zone_append_sectors() to respectively set a ZNS namespace
zone size and maximum zone append sector limit before executing
blk_revalidate_disk_zones(). This is to allow the block layer zone
reavlidation to check these device characteristics prior to checking all
zones of the device.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230703024812.76778-3-dlemoal@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In sd_zbc_revalidate_zones(), execute blk_queue_chunk_sectors() and
blk_queue_max_zone_append_sectors() to respectively set a ZBC device
zone size and maximum zone append sector limit before executing
blk_revalidate_disk_zones(). This is to allow the block layer zone
reavlidation to check these device characteristics prior to checking all
zones of the device.
Since blk_queue_max_zone_append_sectors() already caps the device
maximum zone append limit to the zone size and to the maximum command
size, the max_append value passed to blk_queue_max_zone_append_sectors()
is simplified to the maximum number of segments times the number of
sectors per page.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230703024812.76778-2-dlemoal@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The new qTimestamp attribute was added to UFS 4.0 spec, in order to
synchronize timestamp between device logs and the host. The spec recommends
to send this attribute upon device power-on Reset/HW reset or when
switching to Active state (using SSU command). Due to this attribute, the
attribute's max value was extended to 8 bytes. As a result, the new
definition of struct utp_upiu_query_v4_0 was added.
Signed-off-by: Arthur Simchaev <Arthur.Simchaev@wdc.com>
-----------------
Changes to v2:
- Adressed Bart's comments
- Add missed response variable to ufshcd_set_timestamp_attr
Link: https://lore.kernel.org/r/20230626103320.8737-1-arthur.simchaev@wdc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The one-element array in aac_aifcmd is actually meant as a flexible array,
and causes an overflow warning that can be avoided using the normal flex
arrays:
drivers/scsi/aacraid/commsup.c:1166:17: error: array index 1 is past the end of the array (that has type 'u8[1]' (aka 'unsigned char[1]'), cast to '__le32 *' (aka 'unsigned int *')) [-Werror,-Warray-bounds]
(((__le32 *)aifcmd->data)[1] == cpu_to_le32(3));
^ ~
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230703114851.1194510-1-arnd@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When RESET_CONTROLLER is not set, kconfig complains about missing
dependencies for RESET_TI_SYSCON, so add the missing dependency just as is
done above for SCSI_UFS_QCOM.
Silences this kconfig warning:
WARNING: unmet direct dependencies detected for RESET_TI_SYSCON
Depends on [n]: RESET_CONTROLLER [=n] && HAS_IOMEM [=y]
Selected by [m]:
- SCSI_UFS_MEDIATEK [=m] && SCSI_UFSHCD [=y] && SCSI_UFSHCD_PLATFORM [=y] && ARCH_MEDIATEK [=y]
Fixes: de48898d0cb6 ("scsi: ufs-mediatek: Create reset control device_link")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: lore.kernel.org/r/202306020859.1wHg9AaT-lkp@intel.com
Link: https://lore.kernel.org/r/20230701052348.28046-1-rdunlap@infradead.org
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Peter Wang <peter.wang@mediatek.com>
Cc: Paul Gazzillo <paul@pgazz.com>
Cc: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Cc: linux-scsi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The ramdisk rwlocks are not used anymore.
Fixes: 87c715dcde63 ("scsi: scsi_debug: Add per_host_store option")
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Link: https://lore.kernel.org/r/20230628150638.53218-1-mlombard@redhat.com
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use vmalloc_array() and vcalloc() to protect against multiplication
overflows.
The changes were done using the following Coccinelle
semantic patch:
// <smpl>
@initialize:ocaml@
@@
let rename alloc =
match alloc with
"vmalloc" -> "vmalloc_array"
| "vzalloc" -> "vcalloc"
| _ -> failwith "unknown"
@@
size_t e1,e2;
constant C1, C2;
expression E1, E2, COUNT, x1, x2, x3;
typedef u8;
typedef __u8;
type t = {u8,__u8,char,unsigned char};
identifier alloc = {vmalloc,vzalloc};
fresh identifier realloc = script:ocaml(alloc) { rename alloc };
@@
(
alloc(x1*x2*x3)
|
alloc(C1 * C2)
|
alloc((sizeof(t)) * (COUNT), ...)
|
- alloc((e1) * (e2))
+ realloc(e1, e2)
|
- alloc((e1) * (COUNT))
+ realloc(COUNT, e1)
|
- alloc((E1) * (E2))
+ realloc(E1, E2)
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20230627144339.144478-25-Julia.Lawall@inria.fr
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use vmalloc_array() and vcalloc() to protect against multiplication
overflows.
The changes were done using the following Coccinelle semantic patch:
// <smpl>
@initialize:ocaml@
@@
let rename alloc =
match alloc with
"vmalloc" -> "vmalloc_array"
| "vzalloc" -> "vcalloc"
| _ -> failwith "unknown"
@@
size_t e1,e2;
constant C1, C2;
expression E1, E2, COUNT, x1, x2, x3;
typedef u8;
typedef __u8;
type t = {u8,__u8,char,unsigned char};
identifier alloc = {vmalloc,vzalloc};
fresh identifier realloc = script:ocaml(alloc) { rename alloc };
@@
(
alloc(x1*x2*x3)
|
alloc(C1 * C2)
|
alloc((sizeof(t)) * (COUNT), ...)
|
- alloc((e1) * (e2))
+ realloc(e1, e2)
|
- alloc((e1) * (COUNT))
+ realloc(COUNT, e1)
|
- alloc((E1) * (E2))
+ realloc(E1, E2)
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20230627144339.144478-8-Julia.Lawall@inria.fr
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This should be negative -EAGAIN instead of positive. The callers treat
non-zero error codes the same so it doesn't really impact runtime beyond
some trivial differences to debug output.
Fixes: 80676d054e5a ("scsi: qla2xxx: Fix session cleanup hang")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/49866d28-4cfe-47b0-842b-78f110e61aab@moroto.mountain
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Smatch and Clang both complain that LOGIN_TEMPLATE_SIZE is more than
sizeof(ha->plogi_els_payld.fl_csp).
Smatch warning:
drivers/scsi/qla2xxx/qla_iocb.c:3075 qla24xx_els_dcmd2_iocb()
warn: '&ha->plogi_els_payld.fl_csp' sometimes too small '16' size = 112
Clang warning:
include/linux/fortify-string.h:592:4: error: call to
'__read_overflow2_field' declared with 'warning' attribute: detected
read beyond size of field (2nd parameter); maybe use struct_group()?
[-Werror,-Wattribute-warning]
__read_overflow2_field(q_size_field, size);
When I was reading this code I assumed the "- 4" meant that we were
skipping the last 4 bytes but actually it turned out that we are
skipping the first four bytes.
I have re-written it remove the magic numbers, be more clear and
silence the static checker warnings.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/4aa0485e-766f-4b02-8d5d-c6781ea8f511@moroto.mountain
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The variable phba->fcf.fcf_flag is often protected by the lock
phba->hbalock() when is accessed. Here is an example in
lpfc_unregister_fcf_rescan():
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag |= FCF_INIT_DISC;
spin_unlock_irq(&phba->hbalock);
However, in the same function, phba->fcf.fcf_flag is assigned with 0
without holding the lock, and thus can cause a data race:
phba->fcf.fcf_flag = 0;
To fix this possible data race, a lock and unlock pair is added when
accessing the variable phba->fcf.fcf_flag.
Reported-by: BassCheck <bass@buaa.edu.cn>
Signed-off-by: Tuo Li <islituo@gmail.com>
Link: https://lore.kernel.org/r/20230630024748.1035993-1-islituo@gmail.com
Reviewed-by: Justin Tee <justin.tee@broadcom.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Don't require quirk to use duplicate namespace identifiers
(Christoph, Sagi)
- One more BOGUS_NID quirk (Pankaj)
- IO timeout and error hanlding fixes for PCI (Keith)
- Enhanced metadata format mask fix (Ankit)
- Association race condition fix for fibre channel (Michael)
- Correct debugfs error checks (Minjie)
- Use PAGE_SECTORS_SHIFT where needed (Damien)
- Reduce kernel logs for legacy nguid attribute (Keith)
- Use correct dma direction when unmapping metadata (Ming)
- Fix for a flush handling regression in this release (Christoph)
- Fix for batched request time stamping (Chengming)
- Fix for a regression in the mq-deadline position calculation (Bart)
- Lockdep fix for blk-crypto (Eric)
- Fix for a regression in the Amiga partition handling changes
(Michael)
* tag 'block-6.5-2023-07-14' of git://git.kernel.dk/linux:
block: queue data commands from the flush state machine at the head
blk-mq: fix start_time_ns and alloc_time_ns for pre-allocated rq
nvme-pci: fix DMA direction of unmapping integrity data
nvme: don't reject probe due to duplicate IDs for single-ported PCIe devices
block/mq-deadline: Fix a bug in deadline_from_pos()
nvme: ensure disabling pairs with unquiesce
nvme-fc: fix race between error recovery and creating association
nvme-fc: return non-zero status code when fails to create association
nvme: fix parameter check in nvme_fault_inject_init()
nvme: warn only once for legacy uuid attribute
block: remove dead struc request->completion_data field
nvme: fix the NVME_ID_NS_NVM_STS_MASK definition
nvmet: use PAGE_SECTORS_SHIFT
nvme: add BOGUS_NID quirk for Samsung SM953
blk-crypto: use dynamic lock class for blk_crypto_profile::lock
block/partition: fix signedness issue for Amiga partitions
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DMA direction should be taken in dma_unmap_page() for unmapping integrity
data.
Fix this DMA direction, and reported in Guangwu's test.
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Fixes: 4aedb705437f ("nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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While duplicate IDs are still very harmful, including the potential to easily
see changing devices in /dev/disk/by-id, it turn out they are extremely
common for cheap end user NVMe devices.
Relax our check for them for so that it doesn't reject the probe on
single-ported PCIe devices, but prints a big warning instead. In doubt
we'd still like to see quirk entries to disable the potential for
changing supposed stable device identifier links, but this will at least
allow users how have two (or more) of these devices to use them without
having to manually add a new PCI ID entry with the quirk through sysfs or
by patching the kernel.
Fixes: 2079f41ec6ff ("nvme: check that EUI/GUID/UUID are globally unique")
Cc: stable@vger.kernel.org # 6.0+
Co-developed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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If any error handling that disables the controller fails to queue the
reset work, like if the state changed to disconnected inbetween, then
the failed teardown needs to unquiesce the queues since it's no longer
paired with reset_work. Just make sure that the controller can be put
into a resetting state prior to starting the disable so that no other
handling can change the queue states while recovery is happening.
Reported-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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There is a small race window between nvme-fc association creation and error
recovery. Fix this race condition by protecting accessing to controller
state and ASSOC_FAILED flag under nvme-fc controller lock.
Signed-off-by: Michael Liang <mliang@purestorage.com>
Reviewed-by: Caleb Sander <csander@purestorage.com>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Return non-zero status code(-EIO) when needed, so re-connecting or
deleting controller will be triggered properly.
Signed-off-by: Michael Liang <mliang@purestorage.com>
Reviewed-by: Caleb Sander <csander@purestorage.com>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Make IS_ERR() judge the debugfs_create_dir() function return.
Signed-off-by: Minjie Du <duminjie@vivo.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Report the legacy fallback behavior for uuid attributes just once
instead of logging repeated warnings for the same condition every time
the attribute is read. The old behavior is too spamy on the kernel logs.
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reported-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Replace occurences of the pattern "PAGE_SHIFT - 9" in the passthru and
loop targets with PAGE_SECTORS_SHIFT.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Add the quirk as SM953 is reporting bogus namespace ID.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217593
Reported-by: Clemens Springsguth <cspringsguth@gmail.com>
Tested-by: Clemens Springsguth <cspringsguth@gmail.com>
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- fix a formatting error in the hwprobe documentation
- fix a spurious warning in the RISC-V PMU driver
- fix memory detection on rv32 (problem does not manifest on any known
system)
- avoid parsing legacy parsing of I in ACPI ISA strings
* tag 'riscv-for-linus-6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Don't include Zicsr or Zifencei in I from ACPI
riscv: mm: fix truncation warning on RV32
perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()
Documentation: RISC-V: hwprobe: Fix a formatting error
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Since commit 096b52fd2bb4 ("perf: RISC-V: throttle perf events") the
perf_sample_event_took() function was added to report time spent in
overflow interrupts. If the interrupt takes too long, the perf framework
will lower the sysctl_perf_event_sample_rate and max_samples_per_tick.
When hwc->interrupts is larger than max_samples_per_tick, the
hwc->interrupts will be set to MAX_INTERRUPTS, and events will be
throttled within the __perf_event_account_interrupt() function.
However, the RISC-V PMU driver doesn't call riscv_pmu_stop() to update the
PERF_HES_STOPPED flag after perf_event_overflow() in pmu_sbi_ovf_handler()
function to avoid throttling. When the perf framework unthrottled the event
in the timer interrupt handler, it triggers riscv_pmu_start() function
and causes a WARN_ON_ONCE() warning, as shown below:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 240 at drivers/perf/riscv_pmu.c:184 riscv_pmu_start+0x7c/0x8e
Modules linked in:
CPU: 0 PID: 240 Comm: ls Not tainted 6.4-rc4-g19d0788e9ef2 #1
Hardware name: SiFive (DT)
epc : riscv_pmu_start+0x7c/0x8e
ra : riscv_pmu_start+0x28/0x8e
epc : ffffffff80aef864 ra : ffffffff80aef810 sp : ffff8f80004db6f0
gp : ffffffff81c83750 tp : ffffaf80069f9bc0 t0 : ffff8f80004db6c0
t1 : 0000000000000000 t2 : 000000000000001f s0 : ffff8f80004db720
s1 : ffffaf8008ca1068 a0 : 0000ffffffffffff a1 : 0000000000000000
a2 : 0000000000000001 a3 : 0000000000000870 a4 : 0000000000000000
a5 : 0000000000000000 a6 : 0000000000000840 a7 : 0000000000000030
s2 : 0000000000000000 s3 : ffffaf8005165800 s4 : ffffaf800424da00
s5 : ffffffffffffffff s6 : ffffffff81cc7590 s7 : 0000000000000000
s8 : 0000000000000006 s9 : 0000000000000001 s10: ffffaf807efbc340
s11: ffffaf807efbbf00 t3 : ffffaf8006a16028 t4 : 00000000dbfbb796
t5 : 0000000700000000 t6 : ffffaf8005269870
status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003
[<ffffffff80aef864>] riscv_pmu_start+0x7c/0x8e
[<ffffffff80185b56>] perf_adjust_freq_unthr_context+0x15e/0x174
[<ffffffff80188642>] perf_event_task_tick+0x88/0x9c
[<ffffffff800626a8>] scheduler_tick+0xfe/0x27c
[<ffffffff800b5640>] update_process_times+0x9a/0xba
[<ffffffff800c5bd4>] tick_sched_handle+0x32/0x66
[<ffffffff800c5e0c>] tick_sched_timer+0x64/0xb0
[<ffffffff800b5e50>] __hrtimer_run_queues+0x156/0x2f4
[<ffffffff800b6bdc>] hrtimer_interrupt+0xe2/0x1fe
[<ffffffff80acc9e8>] riscv_timer_interrupt+0x38/0x42
[<ffffffff80090a16>] handle_percpu_devid_irq+0x90/0x1d2
[<ffffffff8008a9f4>] generic_handle_domain_irq+0x28/0x36
After referring other PMU drivers like Arm, Loongarch, Csky, and Mips,
they don't call *_pmu_stop() to update with PERF_HES_STOPPED flag
after perf_event_overflow() function nor do they add PERF_HES_STOPPED
flag checking in *_pmu_start() which don't cause this warning.
Thus, it's recommended to remove this unnecessary check in
riscv_pmu_start() function to prevent this warning.
Signed-off-by: Eric Lin <eric.lin@sifive.com>
Link: https://lore.kernel.org/r/20230710154328.19574-1-eric.lin@sifive.com
Fixes: 096b52fd2bb4 ("perf: RISC-V: throttle perf events")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix hibernation (after recent changes), frequency QoS and the
sparc cpufreq driver.
Specifics:
- Unbreak the /sys/power/resume interface after recent changes (Azat
Khuzhin).
- Allow PM_QOS_DEFAULT_VALUE to be used with frequency QoS (Chungkai
Yang).
- Remove __init from cpufreq callbacks in the sparc driver, because
they may be called after initialization too (Viresh Kumar)"
* tag 'pm-6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: sparc: Don't mark cpufreq callbacks with __init
PM: QoS: Restore support for default value on frequency QoS
PM: hibernate: Fix writing maj:min to /sys/power/resume
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These callbacks can be called again by the cpufreq core after the driver
is initialized and must be kept around. We currently get section
mismatch build warnings.
Don't mark them with __init.
Fixes: dcfce7c2cee4 ("cpufreq: sparc: Don't allocate cpufreq_driver dynamically")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull drm fixes from Dave Airlie:
"There were a bunch of fixes lined up for 2 weeks, so we have quite a
few scattered fixes, mostly amdgpu and i915, but ttm has a bunch and
nouveau makes an appearance.
So a bit busier than usual for rc2, but nothing seems out of the
ordinary.
fbdev:
- dma: Fix documented default preferred_bpp value
ttm:
- fix warning that we shouldn't mix && and ||
- never consider pinned BOs for eviction&swap
- Don't leak a resource on eviction error
- Don't leak a resource on swapout move error
- fix bulk_move corruption when adding a entry
client:
- Send hotplug event after registering a client
dma-buf:
- keep the signaling time of merged fences v3
- fix an error pointer vs NULL bug
sched:
- wait for all deps in kill jobs
- call set fence parent from scheduled
i915:
- Don't preserve dpll_hw_state for slave crtc in Bigjoiner
- Consider OA buffer boundary when zeroing out reports
- Remove dead code from gen8_pte_encode
- Fix one wrong caching mode enum usage
amdgpu:
- SMU i2c locking fix
- Fix a possible deadlock in process restoration for ROCm apps
- Disable PCIe lane/speed switching on Intel platforms (the platforms
don't support it)
nouveau:
- disp: fix HDMI on gt215+
- disp/g94: enable HDMI
- acr: Abort loading ACR if no firmware was found
- bring back blit subchannel for pre nv50 GPUs
- Fix drm_dp_remove_payload() invocation
ivpu:
- Fix VPU register access in irq disable
- Clear specific interrupt status bits on C0
bridge:
- dw_hdmi: fix connector access for scdc
- ti-sn65dsi86: Fix auxiliary bus lifetime
panel:
- simple: Add connector_type for innolux_at043tn24
- simple: Add Powertip PH800480T013 drm_display_mode flags"
* tag 'drm-fixes-2023-07-14-1' of git://anongit.freedesktop.org/drm/drm: (32 commits)
drm/nouveau: bring back blit subchannel for pre nv50 GPUs
drm/nouveau/acr: Abort loading ACR if no firmware was found
drm/amd: Align SMU11 SMU_MSG_OverridePcieParameters implementation with SMU13
drm/amd: Move helper for dynamic speed switch check out of smu13
drm/amd/pm: conditionally disable pcie lane/speed switching for SMU13
drm/amd/pm: share the code around SMU13 pcie parameters update
drm/amdgpu: avoid restore process run into dead loop.
drm/amd/pm: fix smu i2c data read risk
drm/nouveau/disp/g94: enable HDMI
drm/nouveau/disp: fix HDMI on gt215+
drm/client: Send hotplug event after registering a client
drm/i915: Fix one wrong caching mode enum usage
drm/i915: Remove dead code from gen8_pte_encode
drm/i915/perf: Consider OA buffer boundary when zeroing out reports
drm/i915: Don't preserve dpll_hw_state for slave crtc in Bigjoiner
drm/ttm: never consider pinned BOs for eviction&swap
drm/fbdev-dma: Fix documented default preferred_bpp value
dma-buf: fix an error pointer vs NULL bug
accel/ivpu: Clear specific interrupt status bits on C0
accel/ivpu: Fix VPU register access in irq disable
...
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.5-2023-07-12:
amdgpu:
- SMU i2c locking fix
- Fix a possible deadlock in process restoration for ROCm apps
- Disable PCIe lane/speed switching on Intel platforms (the platforms don't support it)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230712184009.7740-1-alexander.deucher@amd.com
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SMU13 overrides dynamic PCIe lane width and dynamic speed by when on
certain hosts. commit 38e4ced80479 ("drm/amd/pm: conditionally disable
pcie lane switching for some sienna_cichlid SKUs") worked around this
issue by setting up certain SKUs to set up certain limits, but the same
fundamental problem with those hosts affects all SMU11 implmentations
as well, so align the SMU11 and SMU13 driver handling.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
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This helper is used for checking if the connected host supports
the feature, it can be moved into generic code to be used by other
smu implementations as well.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
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Intel platforms such as Sapphire Rapids and Raptor Lake don't support
dynamic pcie lane or speed switching.
This limitation seems to carry over from one generation to another.
To be safer, disable dynamic pcie lane width and speed switching when
running on an Intel platform.
Link: https://edc.intel.com/content/www/us/en/design/products/platforms/details/raptor-lake-s/13th-generation-core-processors-datasheet-volume-1-of-2/005/pci-express-support/
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2663
Co-developed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
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So that SMU13.0.0 and SMU13.0.7 do not need to have one copy each.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
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