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git://anongit.freedesktop.org/drm/drm
Pull drm nouveau ampere display support from Dave Airlie:
"Ben has requested if we can include Ampere modesetting support under
fixes, it's for new GPUs and shouldn't affect existing hardware.
It's a bit bigger than just adding a PCI ID, but It has no effect on
older GPUs"
* tag 'topic/nouveau-ampere-modeset-2021-01-15' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/disp/ga10[24]: initial support
drm/nouveau/dmaobj/ga10[24]: initial support
drm/nouveau/i2c/ga10[024]: initial support
drm/nouveau/gpio/ga10[024]: initial support
drm/nouveau/bar/ga10[024]: initial support
drm/nouveau/mmu/ga10[024]: initial support
drm/nouveau/timer/ga10[024]: initial support
drm/nouveau/fb/ga10[024]: initial support
drm/nouveau/imem/ga10[024]: initial support
drm/nouveau/privring/ga10[024]: initial support
drm/nouveau/mc/ga10[024]: initial support
drm/nouveau/devinit/ga10[024]: initial support
drm/nouveau/bios/ga10[024]: initial support
drm/nouveau/pci/ga10[024]: initial support
drm/nouveau/core: recognise GA10[024]
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Every iteration of for_each_available_child_of_node() decrements
the reference count of the previous node, however when control is
transferred from the middle of the loop, as in the case of a return
or break or goto, there is no decrement thus ultimately resulting in
a memory leak.
Fix a potential memory leak in arm-integrator-lm.c by inserting
of_node_put() before a return statement.
Issue found with Coccinelle.
Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200829174154.GA9319@Kaladin
Link: https://lore.kernel.org/r/20210112092549.251548-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.11:
- Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
#pwm-cells conversion.
- Fix duplicated bus node name for i.MX8MN SoC.
- Fix reset register offset on LS1028A SoC.
- Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
index consistent with previous kernel version.
- Selecting ARM_GIC_V3 on non-CP15 processors to fix one build failure
with i.MX8M SoC driver.
- Fix typos with status property on imx6qdl-kontron-samx6i board.
- Fix duplicated regulator-name on imx6qdl-gw52xx board.
* tag 'imx-fixes-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming
ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status
ARM: imx: fix imx8m dependencies
ARM: dts: tbs2910: rename MMC node aliases
arm64: dts: ls1028a: fix the offset of the reset register
arm64: dts: imx8mn: Fix duplicate node name
ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight
Link: https://lore.kernel.org/r/20210112131224.GI28365@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Occasionally, we are seeing some SuperSpeed devices resumes right after
being directed to U3. This commits add 500us delay to ensure LFPS
detector is disabled before sending ACK to firmware.
[ 16.099363] tegra-xusb 70090000.usb: entering ELPG
[ 16.104343] tegra-xusb 70090000.usb: 2-1 isn't suspended: 0x0c001203
[ 16.114576] tegra-xusb 70090000.usb: not all ports suspended: -16
[ 16.120789] tegra-xusb 70090000.usb: entering ELPG failed
The register write passes through a few flop stages of 32KHz clock domain.
NVIDIA ASIC designer reviewed RTL and suggests 500us delay.
Cc: stable@vger.kernel.org
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210115161907.2875631-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Once the command ring doorbell is rung the xHC controller will parse all
command TRBs on the command ring that have the cycle bit set properly.
If the driver just started writing the next command TRB to the ring when
hardware finished the previous TRB, then HW might fetch an incomplete TRB
as long as its cycle bit set correctly.
A command TRB is 16 bytes (128 bits) long.
Driver writes the command TRB in four 32 bit chunks, with the chunk
containing the cycle bit last. This does however not guarantee that
chunks actually get written in that order.
This was detected in stress testing when canceling URBs with several
connected USB devices.
Two consecutive "Set TR Dequeue pointer" commands got queued right
after each other, and the second one was only partially written when
the controller parsed it, causing the dequeue pointer to be set
to bogus values. This was seen as error messages:
"Mismatch between completed Set TR Deq Ptr command & xHCI internal state"
Solution is to add a write memory barrier before writing the cycle bit.
Cc: <stable@vger.kernel.org>
Tested-by: Ross Zwisler <zwisler@google.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210115161907.2875631-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use lock to guard against concurrent access for soft-connect/disconnect
operations when writing to soft_connect sysfs.
Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class")
Cc: stable@vger.kernel.org
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/338ea01fbd69b1985ef58f0f59af02c805ddf189.1610611437.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The issue is that using SPI from a callback under the CCF lock will
deadlock, since this code uses clk_get_rate().
Fixes: c474b38665463 ("spi: Add driver for Cadence SPI controller")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210114154217.51996-1-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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If extended CSD was not available, the eMMC driver would incorrectly
set the block size to 0, as the data_sector_size field of ext_csd
was never initialized. This issue was exposed by commit 817046ecddbc
("block: Align max_hw_sectors to logical blocksize") which caused
max_sectors and max_hw_sectors to be set to 0 after setting the block
size to 0, resulting in a kernel panic in bio_split when attempting
to read from the device. Fix it by only reading the block size from
ext_csd if it is available.
Fixes: a5075eb94837 ("mmc: block: Allow disabling 512B sector size emulation")
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Link: https://linux-review.googlesource.com/id/If244d178da4d86b52034459438fec295b02d6e60
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210114201405.2934886-1-pcc@google.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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After converting am335x to probe devices with simple-pm-bus I noticed
that we are not passing auxdata for of_platform_populate() like we do
with simple-bus.
While device tree using SoCs should no longer need platform data, there
are still quite a few drivers that still need it as can be seen with
git grep OF_DEV_AUXDATA. We want to have simple-pm-bus be usable as a
replacement for simple-bus also for cases where OF_DEV_AUXDATA is still
needed.
Let's fix the issue by passing auxdata as platform data to simple-pm-bus.
That way the SoCs needing this can pass the auxdata with OF_DEV_AUXDATA.
And let's pass the auxdata for omaps to fix the issue for am335x.
As an alternative solution, adding simple-pm-bus handling directly to
drivers/of/platform.c was considered, but we would still need simple-pm-bus
device driver. So passing auxdata as platform data seems like the simplest
solution.
Fixes: 5a230524f879 ("ARM: dts: Use simple-pm-bus for genpd for am3 l4_wkup")
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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topic/nouveau-ampere-modeset
This adds support for basic modeseting on the nvidia ampere chipsets. This code should all
be contained to just those and have no effect on current hardware.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv5LmMP+HbDUQBf_dy1-0eS9fA32k8HWo4y5X4-7rsw-yw@mail.gmail.com
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Pull drm fixes from Dave Airlie:
"Regular fixes for rc4, a bunch of fixes across i915, amdgpu and
nouveau here, along with a couple of TTM fixes, and dma-buf and one
core pageflip/modifier interaction fix.
One notable i915 fix is a HSW GT1 regression fix that has been
outstanding for quite a while. (Thanks to Matt Turner for kicking
Intel into getting it fixed).
dma-buf:
- Fix a memory leak in CMAV heap
core:
- Fix format check for legacy pageflips
ttm:
- Pass correct address to dma_mapping_error()
- Use mutex in pool shrinker
i915:
- Allow the sysadmin to override security mitigations
- Restore clear-residual mitigations for ivb/byt
- Limit VFE threads based on GT
- GVT: fix vfio edid and full display detection
- Fix DSI DSC power refcounting
- Fix LPT CPU mode backlight takeover
- Disable RPM wakeref assertions during driver shutdown
- Fix DSI sequence sleeps
amdgpu:
- Update repo location in MAINTAINERS
- Add some new renoir PCI IDs
- Revert CRC UAPI changes
- Revert OLED display fix which cases clocking problems for some systems
- Misc vangogh fixes
- GFX fix for sienna cichlid
- DCN1.0 fix for pipe split
- Fix incorrect PSP command
amdkfd:
- Fix possible out of bounds read in vcrat creation
nouveau:
- irq handling fix
- expansion ROM fix
- hw init dpcd disable
- aux semaphore owner field fix
- vram heap sizing fix
- notifier at 0 is valid fix"
* tag 'drm-fixes-2021-01-15' of git://anongit.freedesktop.org/drm/drm: (37 commits)
drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
drm/nouveau/mmu: fix vram heap sizing
drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
drm/nouveau/i2c/gk110-: disable hw-initiated dpcd reads
drm/nouveau/i2c/gk110: split out from i2c/gk104
drm/nouveau/privring: ack interrupts the same way as RM
drm/nouveau/bios: fix issue shadowing expansion ROMs
drm/amd/display: Fix to be able to stop crc calculation
Revert "drm/amd/display: Expose new CRC window property"
Revert "drm/amdgpu/disply: fix documentation warnings in display manager"
Revert "drm/amd/display: Fix unused variable warning"
drm/amdgpu: set power brake sequence
drm/amdgpu: add new device id for Renior
drm/amdgpu: add green_sardine device id (v2)
drm/amdgpu: fix vram type and bandwidth error for DDR5 and DDR4
drm/amdgpu/gfx10: add updated GOLDEN_TSC_COUNT_UPPER/LOWER register offsets for VGH
drm/amdkfd: Fix out-of-bounds read in kdf_create_vcrat_image_cpu()
Revert "drm/amd/display: Fixed Intermittent blue screen on OLED panel"
drm/amd/display: disable dcn10 pipe split by default
drm/amd/display: Add a missing DCN3.01 API mapping
...
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into drm-fixes
As requested, here's a tree with the non-Ampere-specific fixes split
out, as most of them are potentially relevant to already-supported
GPUs.
- irq handling fix
- expansion ROM fix
- hw init dpcd disable
- aux semaphore owner field fix
- vram heap sizing fix
- notifier at 0 is valid fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv4P90mcF_ByAh+ghz+ZVD2N2bPbD7xHYYArE1kYrvsGcQ@mail.gmail.com
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While testing live partition mobility, we have observed occasional crashes
of the Linux partition. What we've seen is that during the live migration,
for specific configurations with large amounts of memory, slow network
links, and workloads that are changing memory a lot, the partition can end
up being suspended for 30 seconds or longer. This resulted in the following
scenario:
CPU 0 CPU 1
------------------------------- ----------------------------------
scsi_queue_rq migration_store
-> blk_mq_start_request -> rtas_ibm_suspend_me
-> blk_add_timer -> on_each_cpu(rtas_percpu_suspend_me
_______________________________________V
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V
-> IPI from CPU 1
-> rtas_percpu_suspend_me
-> __rtas_suspend_last_cpu
-- Linux partition suspended for > 30 seconds --
-> for_each_online_cpu(cpu)
plpar_hcall_norets(H_PROD
-> scsi_dispatch_cmd
-> scsi_times_out
-> scsi_abort_command
-> queue_delayed_work
-> ibmvfc_queuecommand_lck
-> ibmvfc_send_event
-> ibmvfc_send_crq
- returns H_CLOSED
<- returns SCSI_MLQUEUE_HOST_BUSY
-> __blk_mq_requeue_request
-> scmd_eh_abort_handler
-> scsi_try_to_abort_cmd
- returns SUCCESS
-> scsi_queue_insert
Normally, the SCMD_STATE_COMPLETE bit would protect against the command
completion and the timeout, but that doesn't work here, since we don't
check that at all in the SCSI_MLQUEUE_HOST_BUSY path.
In this case we end up calling scsi_queue_insert on a request that has
already been queued, or possibly even freed, and we crash.
The patch below simply increases the default I/O timeout to avoid this race
condition. This is also the timeout value that nearly all IBM SAN storage
recommends setting as the default value.
Link: https://lore.kernel.org/r/1610463998-19791-1-git-send-email-brking@linux.vnet.ibm.com
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit a35129024e88 ("scsi: target: tcmu: Use priv pointer in se_cmd")
modified tcmu_free_cmd() to set NULL to priv pointer in se_cmd. However,
se_cmd can be already freed by work queue triggered in
target_complete_cmd(). This caused BUG KASAN use-after-free [1].
To fix the bug, do not touch priv pointer in tcmu_free_cmd(). Instead, set
NULL to priv pointer before target_complete_cmd() calls. Also, to avoid
unnecessary priv pointer change in tcmu_queue_cmd(), modify priv pointer in
the function only when tcmu_free_cmd() is not called.
[1]
BUG: KASAN: use-after-free in tcmu_handle_completions+0x1172/0x1770 [target_core_user]
Write of size 8 at addr ffff88814cf79a40 by task cmdproc-uio0/14842
CPU: 2 PID: 14842 Comm: cmdproc-uio0 Not tainted 5.11.0-rc2 #1
Hardware name: Supermicro Super Server/X10SRL-F, BIOS 3.2 11/22/2019
Call Trace:
dump_stack+0x9a/0xcc
? tcmu_handle_completions+0x1172/0x1770 [target_core_user]
print_address_description.constprop.0+0x18/0x130
? tcmu_handle_completions+0x1172/0x1770 [target_core_user]
? tcmu_handle_completions+0x1172/0x1770 [target_core_user]
kasan_report.cold+0x7f/0x10e
? tcmu_handle_completions+0x1172/0x1770 [target_core_user]
tcmu_handle_completions+0x1172/0x1770 [target_core_user]
? queue_tmr_ring+0x5d0/0x5d0 [target_core_user]
tcmu_irqcontrol+0x28/0x60 [target_core_user]
uio_write+0x155/0x230
? uio_vma_fault+0x460/0x460
? security_file_permission+0x4f/0x440
vfs_write+0x1ce/0x860
ksys_write+0xe9/0x1b0
? __ia32_sys_read+0xb0/0xb0
? syscall_enter_from_user_mode+0x27/0x70
? trace_hardirqs_on+0x1c/0x110
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fcf8b61905f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c fd ff ff 48
RSP: 002b:00007fcf7b3e6c30 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf8b61905f
RDX: 0000000000000004 RSI: 00007fcf7b3e6c78 RDI: 000000000000000c
RBP: 00007fcf7b3e6c80 R08: 0000000000000000 R09: 00007fcf7b3e6aa8
R10: 000000000b01c000 R11: 0000000000000293 R12: 00007ffe0c32a52e
R13: 00007ffe0c32a52f R14: 0000000000000000 R15: 00007fcf7b3e7640
Allocated by task 383:
kasan_save_stack+0x1b/0x40
____kasan_kmalloc.constprop.0+0x84/0xa0
kmem_cache_alloc+0x142/0x330
tcm_loop_queuecommand+0x2a/0x4e0 [tcm_loop]
scsi_queue_rq+0x12ec/0x2d20
blk_mq_dispatch_rq_list+0x30a/0x1db0
__blk_mq_do_dispatch_sched+0x326/0x830
__blk_mq_sched_dispatch_requests+0x2c8/0x3f0
blk_mq_sched_dispatch_requests+0xca/0x120
__blk_mq_run_hw_queue+0x93/0xe0
process_one_work+0x7b6/0x1290
worker_thread+0x590/0xf80
kthread+0x362/0x430
ret_from_fork+0x22/0x30
Freed by task 11655:
kasan_save_stack+0x1b/0x40
kasan_set_track+0x1c/0x30
kasan_set_free_info+0x20/0x30
____kasan_slab_free+0xec/0x120
slab_free_freelist_hook+0x53/0x160
kmem_cache_free+0xf4/0x5c0
target_release_cmd_kref+0x3ea/0x9e0 [target_core_mod]
transport_generic_free_cmd+0x28b/0x2f0 [target_core_mod]
target_complete_ok_work+0x250/0xac0 [target_core_mod]
process_one_work+0x7b6/0x1290
worker_thread+0x590/0xf80
kthread+0x362/0x430
ret_from_fork+0x22/0x30
Last potentially related work creation:
kasan_save_stack+0x1b/0x40
kasan_record_aux_stack+0xa3/0xb0
insert_work+0x48/0x2e0
__queue_work+0x4e8/0xdf0
queue_work_on+0x78/0x80
tcmu_handle_completions+0xad0/0x1770 [target_core_user]
tcmu_irqcontrol+0x28/0x60 [target_core_user]
uio_write+0x155/0x230
vfs_write+0x1ce/0x860
ksys_write+0xe9/0x1b0
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Second to last potentially related work creation:
kasan_save_stack+0x1b/0x40
kasan_record_aux_stack+0xa3/0xb0
insert_work+0x48/0x2e0
__queue_work+0x4e8/0xdf0
queue_work_on+0x78/0x80
tcm_loop_queuecommand+0x1c3/0x4e0 [tcm_loop]
scsi_queue_rq+0x12ec/0x2d20
blk_mq_dispatch_rq_list+0x30a/0x1db0
__blk_mq_do_dispatch_sched+0x326/0x830
__blk_mq_sched_dispatch_requests+0x2c8/0x3f0
blk_mq_sched_dispatch_requests+0xca/0x120
__blk_mq_run_hw_queue+0x93/0xe0
process_one_work+0x7b6/0x1290
worker_thread+0x590/0xf80
kthread+0x362/0x430
ret_from_fork+0x22/0x30
The buggy address belongs to the object at ffff88814cf79800 which belongs
to the cache tcm_loop_cmd_cache of size 896.
Link: https://lore.kernel.org/r/20210113024508.1264992-1-shinichiro.kawasaki@wdc.com
Fixes: a35129024e88 ("scsi: target: tcmu: Use priv pointer in se_cmd")
Cc: stable@vger.kernel.org # v5.9+
Acked-by: Bodo Stroesser <bostroesser@gmail.com>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.11-2021-01-14:
amdgpu:
- Update repo location in MAINTAINERS
- Add some new renoir PCI IDs
- Revert CRC UAPI changes
- Revert OLED display fix which cases clocking problems for some systems
- Misc vangogh fixes
- GFX fix for sienna cichlid
- DCN1.0 fix for pipe split
- Fix incorrect PSP command
amdkfd:
- Fix possible out of bounds read in vcrat creation
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210114201354.3998-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.11-rc4:
- Allow the sysadmin to override security mitigations
- Restore clear-residual mitigations for ivb/byt
- Limit VFE threads based on GT
- GVT: fix vfio edid and full display detection
- Fix DSI DSC power refcounting
- Fix LPT CPU mode backlight takeover
- Disable RPM wakeref assertions during driver shutdown
- Fix DSI sequence sleeps
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87sg73pz42.fsf@intel.com
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UEFI/RM no longer use IED scripts from the VBIOS, though they appear to
have been updated for use by the x86 VBIOS code, so we should be able to
continue using them for the moment.
Unfortunately, we require some hacks to do so, as the BeforeLinkTraining
IED script became a pointer to an array of scripts instead, without a
revbump of the relevant tables.
There's also some changes to SOR clock divider fiddling, which are
hopefully correct enough that things work as they should.
AFAIK, GA100 shouldn't have display, so it hasn't been added.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with GV100 code, and not required on GA100, as
it shouldn't have display.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with GM200 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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GA100 appears to be compatible with GK104 code, the others have some
register moves.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with TU102 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with TU102 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with GK20A code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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No VPR scrub. GA102 and GA104 have a new VRAM size detection method.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with NV50 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with GM200 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Fortunately, all the interrupts we need to bring up basic display support
are contained in a single leaf register, allowing this basic (but hackish)
implementation.
There's a bunch more invasive patches to come implementing all this in a
better/more complete way, but trying to get a minimal series out first.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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VPLL regs changed a bit. There's more stuff to do around these, but it's
less invasive to stick those changes into disp for now.
None of that belongs here anymore anyhow - fix that someday.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Forcing PRAMIN-shadowing off for GA100, as it requires display, and we don't
know if/where the fuse register for detecting its presence is.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Appears to be compatible with GP100 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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VRAM offset 0 is a valid address, triggered on GA102.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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GA100 hidden behind a module option, as it's not been as well verified
since initial bring-up and may need additional changes.
There's no display anyway, so this can wait for a bit.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Noticed while debugging GA102.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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RM does this around transactions, and it seemed to help while debugging
AUXCH issues on GA102.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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No functional changes here yet.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Whatever it is that we were doing before doesn't work on Ampere.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This issue has generally been covered up by the presence of additional
expansion ROMs after the ones we're interested in, with header fetches
of subsequent images loading enough of the ROM to hide the issue.
Noticed on GA102, which lacks a type 0x70 image compared to TU102,.
[ 906.364197] nouveau 0000:09:00.0: bios: 00000000: type 00, 65024 bytes
[ 906.381205] nouveau 0000:09:00.0: bios: 0000fe00: type 03, 91648 bytes
[ 906.405213] nouveau 0000:09:00.0: bios: 00026400: type e0, 22016 bytes
[ 906.410984] nouveau 0000:09:00.0: bios: 0002ba00: type e0, 366080 bytes
vs
[ 22.961901] nouveau 0000:09:00.0: bios: 00000000: type 00, 60416 bytes
[ 22.984174] nouveau 0000:09:00.0: bios: 0000ec00: type 03, 71168 bytes
[ 23.010446] nouveau 0000:09:00.0: bios: 00020200: type e0, 48128 bytes
[ 23.028220] nouveau 0000:09:00.0: bios: 0002be00: type e0, 140800 bytes
[ 23.080196] nouveau 0000:09:00.0: bios: 0004e400: type 70, 7168 bytes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull:
* dma-buf: Fix a memory leak in CMAV heap
* drm: Fix format check for legacy pageflips
* ttm: Pass correct address to dma_mapping_error(); Use mutex in pool
shrinker
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/X/2iXO4ofFSZ39/v@linux-uq9g
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"We have a few fixes for long standing issues, in particular Eric's fix
to not underestimate the skb sizes, and my fix for brokenness of
register_netdevice() error path. They may uncover other bugs so we
will keep an eye on them. Also included are Willem's fixes for
kmap(_atomic).
Looking at the "current release" fixes, it seems we are about one rc
behind a normal cycle. We've previously seen an uptick of "people had
run their test suites" / "humans actually tried to use new features"
fixes between rc2 and rc3.
Summary:
Current release - regressions:
- fix feature enforcement to allow NETIF_F_HW_TLS_TX if IP_CSUM &&
IPV6_CSUM
- dcb: accept RTM_GETDCB messages carrying set-like DCB commands if
user is admin for backward-compatibility
- selftests/tls: fix selftests build after adding ChaCha20-Poly1305
Current release - always broken:
- ppp: fix refcount underflow on channel unbridge
- bnxt_en: clear DEFRAG flag in firmware message when retry flashing
- smc: fix out of bound access in the new netlink interface
Previous releases - regressions:
- fix use-after-free with UDP GRO by frags
- mptcp: better msk-level shutdown
- rndis_host: set proper input size for OID_GEN_PHYSICAL_MEDIUM
request
- i40e: xsk: fix potential NULL pointer dereferencing
Previous releases - always broken:
- skb frag: kmap_atomic fixes
- avoid 32 x truesize under-estimation for tiny skbs
- fix issues around register_netdevice() failures
- udp: prevent reuseport_select_sock from reading uninitialized socks
- dsa: unbind all switches from tree when DSA master unbinds
- dsa: clear devlink port type before unregistering slave netdevs
- can: isotp: isotp_getname(): fix kernel information leak
- mlxsw: core: Thermal control fixes
- ipv6: validate GSO SKB against MTU before finish IPv6 processing
- stmmac: use __napi_schedule() for PREEMPT_RT
- net: mvpp2: remove Pause and Asym_Pause support
Misc:
- remove from MAINTAINERS folks who had been inactive for >5yrs"
* tag 'net-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (58 commits)
mptcp: fix locking in mptcp_disconnect()
net: Allow NETIF_F_HW_TLS_TX if IP_CSUM && IPV6_CSUM
MAINTAINERS: dccp: move Gerrit Renker to CREDITS
MAINTAINERS: ipvs: move Wensong Zhang to CREDITS
MAINTAINERS: tls: move Aviad to CREDITS
MAINTAINERS: ena: remove Zorik Machulsky from reviewers
MAINTAINERS: vrf: move Shrijeet to CREDITS
MAINTAINERS: net: move Alexey Kuznetsov to CREDITS
MAINTAINERS: altx: move Jay Cliburn to CREDITS
net: avoid 32 x truesize under-estimation for tiny skbs
nt: usb: USB_RTL8153_ECM should not default to y
net: stmmac: fix taprio configuration when base_time is in the past
net: stmmac: fix taprio schedule configuration
net: tip: fix a couple kernel-doc markups
net: sit: unregister_netdevice on newlink's error path
net: stmmac: Fixed mtu channged by cache aligned
cxgb4/chtls: Fix tid stuck due to wrong update of qid
i40e: fix potential NULL pointer dereferencing
net: stmmac: use __napi_schedule() for PREEMPT_RT
can: mcp251xfd: mcp251xfd_handle_rxif_one(): fix wrong NULL pointer check
...
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This DT property can be 0, 16, and then 64, but not 32. The math here
doesn't recognize this slight bump in the power of 2 numbers and
translates a DT property of 64 into the register value '3' when it
really should be '2'. Fix it by subtracting one more if the number being
translated is larger than 31. Also use clamp() because we're here.
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20201202200252.986230-1-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Return a boolean value in st_sensors_new_samples_available routine in
order to avoid an infinite loop in st_sensors_irq_thread if
stat_drdy.addr is not defined or stat_drdy read fails
Fixes: 90efe05562921 ("iio: st_sensors: harden interrupt handling")
Reported-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/c9ec69ed349e7200c779fd7a5bf04c1aaa2817aa.1607438132.git.lorenzo@kernel.org
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The power-down mask of the ad5504 is actually a power-up mask. Meaning if
a bit is set the corresponding channel is powered up and if it is not set
the channel is powered down.
The driver currently has this the wrong way around, resulting in the
channel being powered up when requested to be powered down and vice versa.
Fixes: 3bbbf150ffde ("staging:iio:dac:ad5504: Use strtobool for boolean values")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201209104649.5794-1-lars@metafoo.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The hardware doesn't support this. QPOSINIT is an initialization value
that is triggered by other things. When the counter overflows, it
always wraps around to zero.
Fixes: f213729f6796 "counter: new TI eQEP driver"
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20201214000927.1793062-1-david@lechnology.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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mlx90632.c
After an I2C reset command, the mlx90632 needs some time before
responding to other I2C commands. Without that delay, there is a chance
that the I2C command(s) after the reset will not be accepted.
Signed-off-by: Slaveyko Slaveykov <sis@melexis.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Fixes: e02472f74a81 ("iio:temperature:mlx90632: Adding extended calibration option")
Link: https://lore.kernel.org/r/20201216115720.12404-2-sis@melexis.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When the conversion was done to use devm_iio_kfifo_allocate(), a call to
iio_kfifo_free() was omitted (to be removed).
This change removes it.
Fixes: 3c5308058899 ("iio: adc: ti_am335x_adc: alloc kfifo & IRQ via devm_ functions")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201203072650.24128-1-alexandru.ardelean@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
|
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This > should be >= to prevent reading one element beyond the end of
the sx9310_pthresh_codes[] array.
Fixes: ad2b473e2ba3 ("iio: sx9310: Support setting proximity thresholds")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/X8XqwK0z//8sSWJR@mwanda
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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|
Discovery controllers usually don't support smart log page command.
So when we connect to the discovery controller we see this warning:
nvme nvme0: Failed to read smart log (error 24577)
nvme nvme0: new ctrl: NQN "nqn.2014-08.org.nvmexpress.discovery", addr 192.168.123.1:8009
nvme nvme0: Removing ctrl: NQN "nqn.2014-08.org.nvmexpress.discovery"
Introduce a new helper to understand if the controller is a discovery
controller and use this helper to skip nvme_init_hwmon (also use it in
other places that we check if the controller is a discovery controller).
Fixes: 400b6a7b13a3 ("nvme: Add hardware monitoring support")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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|
When a bio merges, we can get a request that spans multiple
bios, and the overall request payload size is the sum of
all bios. When we calculate how much we need to send
from the existing bio (and bvec), we did not take into
account the iov_iter byte count cap.
Since multipage bvecs support, bvecs can split in the middle
which means that when we account for the last bvec send we
should also take the iov_iter byte count cap as it might be
lower than the last bvec size.
Reported-by: Hao Wang <pkuwangh@gmail.com>
Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver")
Tested-by: Hao Wang <pkuwangh@gmail.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
|
