- Fix off-by-one error in retrieving the context buffer for trace_printk()
- Fix off-by-one error in stack nesting limit
- Fix recursion to not make all NMI code false positive as recursing
- Stop losing events in function tracing when transitioning between irq context
- Stop losing events in ring buffer when transitioning between irq context
- Fix return code of error pointer in parse_synth_field() to prevent
NULL pointer dereference.
- Fix false positive of NMI recursion in kprobe event handling
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Merge tag 'trace-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix off-by-one error in retrieving the context buffer for
trace_printk()
- Fix off-by-one error in stack nesting limit
- Fix recursion to not make all NMI code false positive as recursing
- Stop losing events in function tracing when transitioning between irq
context
- Stop losing events in ring buffer when transitioning between irq
context
- Fix return code of error pointer in parse_synth_field() to prevent
NULL pointer dereference.
- Fix false positive of NMI recursion in kprobe event handling
* tag 'trace-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
kprobes: Tell lockdep about kprobe nesting
tracing: Make -ENOMEM the default error for parse_synth_field()
ring-buffer: Fix recursion protection transitions between interrupt context
tracing: Fix the checking of stackidx in __ftrace_trace_stack
ftrace: Handle tracing when switching between context
ftrace: Fix recursion check for NMI test
tracing: Fix out of bounds write in get_trace_buf
A few more merge window regressions that didn't make rc1:
- New validation in the DMA layer triggers wrong use of the DMA layer in
rxe, siw and rdmavt
- Accidental change of a hypervisor facing ABI when widening the port
speed u8 to u16 in vmw_pvrdma
- Memory leak on error unwind in SRP target
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"A few more merge window regressions that didn't make rc1:
- New validation in the DMA layer triggers wrong use of the DMA layer
in rxe, siw and rdmavt
- Accidental change of a hypervisor facing ABI when widening the port
speed u8 to u16 in vmw_pvrdma
- Memory leak on error unwind in SRP target"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/srpt: Fix typo in srpt_unregister_mad_agent docstring
RDMA/vmw_pvrdma: Fix the active_speed and phys_state value
IB/srpt: Fix memory leak in srpt_add_one
RDMA: Fix software RDMA drivers for dma mapping error
A small collection of driver specific fixes that have come in since the
merge window, nothing too major here but all good to ahve.
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Merge tag 'spi-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of driver specific fixes that have come in since
the merge window, nothing too major here but all good to have"
* tag 'spi-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: fsl-dspi: fix wrong pointer in suspend/resume
spi: bcm2835: fix gpio cs level inversion
spi: imx: fix runtime pm support for !CONFIG_PM
An addition to MAINTAINERS plus a fix for a nasty bootstrapping problem
which caused problems when we need to read the voltage of a regulator
that is not yet available during initialization, we were not correctly
distinguishing between this case and the case where a regulator is put
into a bypass mode.
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Merge tag 'regulator-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"An addition to MAINTAINERS plus a fix for a nasty bootstrapping
problem which caused problems when we need to read the voltage of a
regulator that is not yet available during initialization, we were not
correctly distinguishing between this case and the case where a
regulator is put into a bypass mode"
* tag 'regulator-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: defer probe when trying to get voltage from unresolved supply
MAINTAINERS: Add entry for Qualcomm IPQ4019 VQMMC regulator
- Unify the handling of managed and stateless device links in the
runtime PM framework and prevent runtime PM references to devices
from being leaked after device link removal (Rafael Wysocki).
- Fix two mistakes in the cpuidle documentation (Julia Lawall).
- Prevent the schedutil cpufreq governor from missing policy
limits updates in some cases (Viresh Kumar).
- Prevent static OPPs from being dropped by mistake (Viresh Kumar).
- Prevent helper function in the OPP framework from returning
prematurely (Viresh Kumar).
- Prevent opp_table_lock from being held too long during removal
of OPP tables with no more active references (Viresh Kumar).
- Drop redundant semicolon from the Intel RAPL power capping
driver (Tom Rix).
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Merge tag 'pm-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the device links support in runtime PM, correct mistakes in
the cpuidle documentation, fix the handling of policy limits changes
in the schedutil cpufreq governor, fix assorted issues in the OPP
(operating performance points) framework and make one janitorial
change.
Specifics:
- Unify the handling of managed and stateless device links in the
runtime PM framework and prevent runtime PM references to devices
from being leaked after device link removal (Rafael Wysocki).
- Fix two mistakes in the cpuidle documentation (Julia Lawall).
- Prevent the schedutil cpufreq governor from missing policy limits
updates in some cases (Viresh Kumar).
- Prevent static OPPs from being dropped by mistake (Viresh Kumar).
- Prevent helper function in the OPP framework from returning
prematurely (Viresh Kumar).
- Prevent opp_table_lock from being held too long during removal of
OPP tables with no more active references (Viresh Kumar).
- Drop redundant semicolon from the Intel RAPL power capping driver
(Tom Rix)"
* tag 'pm-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: runtime: Resume the device earlier in __device_release_driver()
PM: runtime: Drop pm_runtime_clean_up_links()
PM: runtime: Drop runtime PM references to supplier on link removal
powercap/intel_rapl: remove unneeded semicolon
Documentation: PM: cpuidle: correct path name
Documentation: PM: cpuidle: correct typo
cpufreq: schedutil: Don't skip freq update if need_freq_update is set
opp: Reduce the size of critical section in _opp_table_kref_release()
opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
opp: Don't always remove static OPPs in _of_add_opp_table_v1()
Recent refactoring of memblock iterators has broken initialization of
highmem on arm and xtensa because it changed the way beginning and end of
memory regions are rounded to PFNs. This fix restores the original
behaviour.
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Merge tag 'fixes-2020-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull highmem initialization fix from Mike Rapoport:
"Fix highmem initialization on arm and xtensa
Recent refactoring of memblock iterators has broken initialization of
highmem on arm and xtensa because it changed the way beginning and end
of memory regions are rounded to PFNs. This fix restores the original
behaviour"
* tag 'fixes-2020-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
ARM, xtensa: highmem: avoid clobbering non-page aligned memory reservations
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Merge tag 'gfs2-v5.10-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
"Various gfs2 fixes"
* tag 'gfs2-v5.10-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Wake up when sd_glock_disposal becomes zero
gfs2: Don't call cancel_delayed_work_sync from within delete work function
gfs2: check for live vs. read-only file system in gfs2_fitrim
gfs2: don't initialize statfs_change inodes in spectator mode
gfs2: Split up gfs2_meta_sync into inode and rgrp versions
gfs2: init_journal's undo directive should also undo the statfs inodes
gfs2: Add missing truncate_inode_pages_final for sd_aspace
gfs2: Free rd_bits later in gfs2_clear_rgrpd to fix use-after-free
A batch of driver specific fixes that have come up since the merge
window, nothing particularly major here but all good to have.
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Merge tag 'asoc-fix-v5.10-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.10
A batch of driver specific fixes that have come up since the merge
window, nothing particularly major here but all good to have.
htmldocs fails with:
drivers/infiniband/ulp/srpt/ib_srpt.c:630: warning: Function parameter or member 'port_cnt' not described in 'srpt_unregister_mad_agent'
Fixes: 372a178628 ("IB/srpt: Fix memory leak in srpt_add_one")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This patch fixes audio distortion on playback for the Allen&Heath
Qu-16.
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201104115717.GA19046@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Network problems with RTL8125B have been reported [0] and with help
from Realtek it turned out that this chip version has a hw problem
with short packets (similar to RTL8168evl). Having said that activate
the same workaround as for RTL8168evl.
Realtek suggested to activate the workaround for RTL8125A too, even
though they're not 100% sure yet which RTL8125 versions are affected.
[0] https://bugzilla.kernel.org/show_bug.cgi?id=209839
Fixes: 0439297be9 ("r8169: add support for RTL8125B")
Reported-by: Maxim Plotnikov <wgh@torlan.ru>
Tested-by: Maxim Plotnikov <wgh@torlan.ru>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/8002c31a-60b9-58f1-f0dd-8fd07239917f@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix a possible use after free in xsk_socket__delete that will happen
if xsk_put_ctx() frees the ctx. To fix, save the umem reference taken
from the context and just use that instead.
Fixes: 2f6324a393 ("libbpf: Support shared umems between queues and devices")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1604396490-12129-3-git-send-email-magnus.karlsson@gmail.com
Fix a possible null pointer dereference in xsk_socket__delete that
will occur if a null pointer is fed into the function.
Fixes: 2f6324a393 ("libbpf: Support shared umems between queues and devices")
Reported-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1604396490-12129-2-git-send-email-magnus.karlsson@gmail.com
With commit 669cbc7081 ("PCI: Move DT resource setup into
devm_pci_alloc_host_bridge()"), the DT 'ranges' is parsed and populated
into resources when the host bridge is allocated. The resources are
requested as well, but that happens a second time for the mvebu driver in
mvebu_pcie_parse_request_resources(). We should only be requesting the
additional resources added in mvebu_pcie_parse_request_resources(). These
are not added by default because they use custom properties rather than
standard DT address translation.
Also, the bus ranges was also populated by default, so we can remove it
from mvebu_pci_host_probe().
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=209729
Fixes: 669cbc7081 ("PCI: Move DT resource setup into devm_pci_alloc_host_bridge()")
Link: https://lore.kernel.org/r/20201023145252.2691779-1-robh@kernel.org
Reported-by: vtolkm@googlemail.com
Tested-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Russell King <linux@armlinux.org.uk>
Prior to commit 0f71c60ffd ("PCI: dwc: Remove storing of PCI resources"),
the DWC driver was setting up the last memory resource rather than the
first memory resource. This doesn't matter for most platforms which only
have 1 memory resource, but it broke Tegra194 which has a 2nd
(prefetchable) memory region that requires an ATU entry. The first region
on Tegra194 relies on the default 1:1 pass-thru of outbound transactions
and doesn't need an ATU entry.
Fixes: 0f71c60ffd ("PCI: dwc: Remove storing of PCI resources")
Link: https://lore.kernel.org/r/20201026154852.221483-1-robh@kernel.org
Reported-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
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Merge tag 'linux-can-fixes-for-5.10-20201103' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2020-11-03
The first two patches are by Oleksij Rempel and they add a generic
can-controller Device Tree yaml binding and convert the text based binding
of the flexcan driver to a yaml based binding.
Zhang Changzhong's patch fixes a remove_proc_entry warning in the AF_CAN
core.
A patch by me fixes a kfree_skb() call from IRQ context in the rx-offload
helper.
Vincent Mailhol contributes a patch to prevent a call to kfree_skb() in
hard IRQ context in can_get_echo_skb().
Oliver Hartkopp's patch fixes the length calculation for RTR CAN frames
in the __can_get_echo_skb() helper.
Oleksij Rempel's patch fixes a use-after-free that shows up with j1939 in
can_create_echo_skb().
Yegor Yefremov contributes 4 patches to enhance the j1939 documentation.
Zhang Changzhong's patch fixes a hanging task problem in j1939_sk_bind()
if the netdev is down.
Then there are three patches for the newly added CAN_ISOTP protocol. Geert
Uytterhoeven enhances the kconfig help text. Oliver Hartkopp's patch adds
missing RX timeout handling in listen-only mode and Colin Ian King's patch
decreases the generated object code by 926 bytes.
Zhang Changzhong contributes a patch for the ti_hecc driver that fixes the
error path in the probe function.
Navid Emamdoost's patch for the xilinx_can driver fixes the error handling
in case of failing pm_runtime_get_sync().
There are two patches for the peak_usb driver. Dan Carpenter adds range
checking in decode operations and Stephane Grosjean's patch fixes
a timestamp wrapping problem.
Stephane Grosjean's patch for th peak_canfd driver fixes echo management if
loopback is on.
The next three patches all target the mcp251xfd driver. The first one is
by me and it increased the severity of CRC read error messages. The kernel
test robot removes an unneeded semicolon and Tom Rix removes unneeded
break in several switch-cases.
The last 4 patches are by Joakim Zhang and target the flexcan driver,
the first three fix ECC related device specific quirks for the LS1021A,
LX2160A and the VF610 SoC. The last patch disable wakeup completely upon
driver remove.
* tag 'linux-can-fixes-for-5.10-20201103' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: (27 commits)
can: flexcan: flexcan_remove(): disable wakeup completely
can: flexcan: add ECC initialization for VF610
can: flexcan: add ECC initialization for LX2160A
can: flexcan: remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
can: mcp251xfd: remove unneeded break
can: mcp251xfd: mcp251xfd_regmap_nocrc_read(): fix semicolon.cocci warnings
can: mcp251xfd: mcp251xfd_regmap_crc_read(): increase severity of CRC read error messages
can: peak_canfd: pucan_handle_can_rx(): fix echo management when loopback is on
can: peak_usb: peak_usb_get_ts_time(): fix timestamp wrapping
can: peak_usb: add range checking in decode operations
can: xilinx_can: handle failure cases of pm_runtime_get_sync
can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path
can: isotp: padlen(): make const array static, makes object smaller
can: isotp: isotp_rcv_cf(): enable RX timeout handling in listen-only mode
can: isotp: Explain PDU in CAN_ISOTP help text
can: j1939: j1939_sk_bind(): return failure if netdev is down
can: j1939: use backquotes for code samples
can: j1939: swap addr and pgn in the send example
can: j1939: fix syntax and spelling
can: j1939: rename jacd tool
...
====================
Link: https://lore.kernel.org/r/<20201103220636.972106-1-mkl@pengutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since commit 530b5affc6 ("spi: fsl-dspi: fix use-after-free in
remove path"), this driver causes a "NULL pointer dereference"
in dspi_suspend/resume.
This is because since this commit, the drivers private data point to
"dspi" instead of "ctlr", the codes in suspend and resume func were
not modified correspondly.
Fixes: 530b5affc6 ("spi: fsl-dspi: fix use-after-free in remove path")
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20201103020546.1822-1-qiang.zhao@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The Validity bits (bit 28) must not be set in order to have the samples
valid. Some controllers look for this bit and ignore the samples if it
is set.
Fixes: 06ca24e98e ("ASoC: mchp-spdiftx: add driver for S/PDIF TX Controller")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20201104155738.68403-1-codrin.ciubotariu@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Steffen Klassert says:
====================
1) Fix packet receiving of standard IP tunnels when the xfrm_interface
module is installed. From Xin Long.
2) Fix a race condition between spi allocating and hash list
resizing. From zhuoliang zhang.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the kprobe handlers have protection that prohibits other handlers from
executing in other contexts (like if an NMI comes in while processing a
kprobe, and executes the same kprobe, it will get fail with a "busy"
return). Lockdep is unaware of this protection. Use lockdep's nesting api to
differentiate between locks taken in INT3 context and other context to
suppress the false warnings.
Link: https://lore.kernel.org/r/20201102160234.fa0ae70915ad9e2b21c08b85@kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch fixes audio distortion on playback for the Yamaha MODX.
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Tested-by: Frank Slotta <frank.slotta@posteo.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201104120705.GA19126@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Khadas audio devices ( USB_ID_VENDOR 0x3353 )
have DSD-capable implementations from XMOS
need add new usb vendor id for recognition
Signed-off-by: Artem Lapkin <art@khadas.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201103103311.5435-1-art@khadas.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
No need for a separate config option at this point.
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Display Manager support for green_sardine
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Display Core support for green_sardine
Signed-off-by: Roman Li <Roman.Li@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable Green_Sardine VCN support and VCN firmware loading
v2: use apu flags
Signed-off-by: Thong Thai <thong.thai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Initialize the SDMA IP for green_sardine.
v2: use apu flags
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable the gfx base HW function of green_sardine.
v2: use apu flags
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch adds common ip support for green_sardine.
v2: use apu flags, squash in CG/PG enablement
v3: rebase
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch adds green_sardine support for gpu_info firmware and ip block setting.
v2: use apu flag
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
free_highpages() iterates over the free memblock regions in high
memory, and marks each page as available for the memory management
system.
Until commit cddb5ddf2b ("arm, xtensa: simplify initialization of
high memory pages") it rounded beginning of each region upwards and end of
each region downwards.
However, after that commit free_highmem() rounds the beginning and end of
each region downwards, and we may end up freeing a page that is
memblock_reserve()d, resulting in memory corruption.
Restore the original rounding of the region boundaries to avoid freeing
reserved pages.
Fixes: cddb5ddf2b ("arm, xtensa: simplify initialization of high memory pages")
Link: https://lore.kernel.org/r/20201029110334.4118-1-ardb@kernel.org/
Link: https://lore.kernel.org/r/20201031094345.6984-1-rppt@kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Co-developed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
If we can't kvmalloc the pcrat_image, then we shouldn't memcpy
Signed-off-by: Kent Russell <kent.russell@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Concurrent operation of VCN and JPEG decoder in DPG mode is
causing ring timeout due to power state.
Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For kernel 5.10, this function was called twice right next to each
other in the same function due to what looks like a mis-merge.
Remove one of them.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Since __vma_release is run by a kworker after the fence has been
signaled, it is no longer protected by the active reference on the vma,
and so the alias of vw->pinned to vma->obj is also not protected by a
reference on the object. Add an explicit reference for vw->pinned so it
will always be safe.
Found by inspection.
Fixes: 54d7195f8c ("drm/i915: Unpin vma->obj on early error")
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.6+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102161931.30031-1-chris@chris-wilson.co.uk
(cherry picked from commit bc73e5d330)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
In a simple test case that writes to scratch and then busy-waits for the
batch to be signaled, we observe that the signal is before the write is
posted. That is bad news.
Splitting the flush + write_dword into two separate flush_dw prevents
the issue from being reproduced, we can presume the post-sync op is not
so post-sync.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/216
Testcase: igt/gem_exec_fence/parallel
Testcase: igt/i915_selftest/live/gt_timelines
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: stable@vger.kernel.org
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102221057.29626-2-chris@chris-wilson.co.uk
(cherry picked from commit 09212e81e5)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Add another lower level to emit_ggtt_write so that the GGTT nature of
the write is not hardcoded into the emitter.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102221057.29626-1-chris@chris-wilson.co.uk
(cherry picked from commit 2739d8cfc5)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
We wrap the timeline on construction of the next request, but there may
still be requests in flight that have not yet finalized the breadcrumb.
(The breadcrumb is delayed as we need engine-local offsets, and for the
virtual engine that is not known until execution.) As such, by the time
we write to the timeline's HWSP offset it may have changed, and we
should use the value we preserved in the request instead.
Though the window is small and infrequent (at full flow we can expect a
timeline's seqno to wrap once every 30 minutes), the impact of writing
the old seqno into the new HWSP is severe: the old requests are never
completed, and the new requests are completed before they are even
submitted.
Fixes: ebece75392 ("drm/i915: Keep timeline HWSP allocated until idle across the system")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.2+
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201022064127.10159-1-chris@chris-wilson.co.uk
(cherry picked from commit c10f6019d0)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Avoid skipping what appears to be a no-op set-domain-ioctl if the cache
coherency state is inconsistent with our target domain. This also has
the utility of using the population of the pages to validate the backing
store.
The danger in skipping the first set-domain is leaving the cache
inconsistent and submitting stale data, or worse leaving the clean data
in the cache and not flushing it to the GPU. The impact should be small
as it requires a no-op set-domain as the very first ioctl in a
particular sequence not found in typical userspace.
Reported-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Fixes: 754a254427 ("drm/i915: Skip object locking around a no-op set-domain ioctl")
Testcase: igt/gem_mmap_offset/blt-coherency
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: <stable@vger.kernel.org> # v5.2+
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019203825.10966-1-chris@chris-wilson.co.uk
(cherry picked from commit 44c2200afc)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
gvt-fixes-2020-10-30
- Fix HWSP reset handling during vGPU suspend/resume (Colin)
- Apply flush workaround on APL now for possible guest hang (Colin)
- Fix vGPU context pin/unpin also for host suspend regression with
vGPU created (Colin)
- more BXT/APL mmio cmd access fixes (Colin)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201030052117.GC27141@zhen-hp.sh.intel.com
Linus Torvalds