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Pull MIPS changes from Paul Burton:
"Nothing too big or scary in here:
- Support mremap() for the VDSO, primarily to allow CRIU to restore
the VDSO to its checkpointed location.
- Restore the MIPS32 cBPF JIT, after having reverted the enablement
of the eBPF JIT for MIPS32 systems in the 5.5 cycle.
- Improve cop0 counter synchronization behaviour whilst onlining CPUs
by running with interrupts disabled.
- Better match FPU behaviour when emulating multiply-accumulate
instructions on pre-r6 systems that implement IEEE754-2008 style
MACs.
- Loongson64 kernels now build using the MIPS64r2 ISA, allowing them
to take advantage of instructions introduced by r2.
- Support for the Ingenic X1000 SoC & the really nice little CU Neo
development board that's using it.
- Support for WMAC on GARDENA Smart Gateway devices.
- Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
preparation for introducing IP35 (Origin 3*) support.
- Various Kconfig & Makefile cleanups"
* tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (60 commits)
MIPS: PCI: Add detection of IOC3 on IO7, IO8, IO9 and Fuel
MIPS: Loongson64: Disable exec hazard
MIPS: Loongson64: Bump ISA level to MIPSR2
MIPS: Make DIEI support as a config option
MIPS: OCTEON: octeon-irq: fix spelling mistake "to" -> "too"
MIPS: asm: local: add barriers for Loongson
MIPS: Loongson64: Select mac2008 only feature
MIPS: Add MAC2008 Support
Revert "MIPS: Add custom serial.h with BASE_BAUD override for generic kernel"
MIPS: sort MIPS and MIPS_GENERIC Kconfig selects alphabetically (again)
MIPS: make CPU_HAS_LOAD_STORE_LR opt-out
MIPS: generic: don't unconditionally select PINCTRL
MIPS: don't explicitly select LIBFDT in Kconfig
MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts
MIPS: SGI-IP30: Check for valid pointer before using it
MIPS: syscalls: fix indentation of the 'SYSNR' message
MIPS: boot: fix typo in 'vmlinux.lzma.its' target
MIPS: fix indentation of the 'RELOCS' message
dt-bindings: Document loongson vendor-prefix
MIPS: CU1000-Neo: Refresh defconfig to support HWMON and WiFi.
...
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Loongson is a MIPS-compatible processor vendor.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: chenhc@lemote.com
Cc: paul.burton@mips.com
Cc: tglx@linutronix.de
Cc: jason@lakedaemon.net
Cc: maz@kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.co
Cc: devicetree@vger.kernel.org
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Add Ingenic XBurst based boards, prepare for later dts.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: robh+dt@kernel.org
Cc: paul.burton@mips.com
Cc: jhogan@kernel.org
Cc: mripard@kernel.org
Cc: shawnguo@kernel.org
Cc: mark.rutland@arm.com
Cc: alexandre.belloni@bootlin.com
Cc: ralf@linux-mips.org
Cc: heiko@sntech.de
Cc: icenowy@aosc.io
Cc: ak@linux.intel.com
Cc: laurent.pinchart@ideasonboard.com
Cc: krzk@kernel.org
Cc: geert+renesas@glider.be
Cc: paul@crapouillou.net
Cc: prasannatsmkumar@gmail.com
Cc: keescook@chromium.org
Cc: ebiederm@xmission.com
Cc: sernia.zhou@foxmail.com
Cc: zhenwenjin@gmail.com
Cc: 772753199@qq.com
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The "yna" is an acronym of the "YSH & ATIL".
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: robh+dt@kernel.org
Cc: paul.burton@mips.com
Cc: jhogan@kernel.org
Cc: mripard@kernel.org
Cc: shawnguo@kernel.org
Cc: mark.rutland@arm.com
Cc: alexandre.belloni@bootlin.com
Cc: ralf@linux-mips.org
Cc: heiko@sntech.de
Cc: icenowy@aosc.io
Cc: ak@linux.intel.com
Cc: laurent.pinchart@ideasonboard.com
Cc: krzk@kernel.org
Cc: geert+renesas@glider.be
Cc: paul@crapouillou.net
Cc: prasannatsmkumar@gmail.com
Cc: keescook@chromium.org
Cc: ebiederm@xmission.com
Cc: sernia.zhou@foxmail.com
Cc: zhenwenjin@gmail.com
Cc: 772753199@qq.com
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Wire up clone3 syscall
- ARCv2 FPU state save/restore across context switch
- AXS10x platform and misc fixes
* tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: fpu: preserve userspace fpu state
ARC: fpu: declutter code, move bits out into fpu.h
ARC: wireup clone3 syscall
ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node
ARC: update feature support for jump-labels
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ARC jum-label support was added in 5.5rc1 but we missed updating the
feature list
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains a handful of patches for this merge window:
- Support for kasan
- 32-bit physical addresses on rv32i-based systems
- Support for CONFIG_DEBUG_VIRTUAL
- DT entry for the FU540 GPIO controller, which has recently had a
device driver merged
These boot a buildroot-based system on QEMU's virt board for me"
* tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: dts: Add DT support for SiFive FU540 GPIO driver
riscv: mm: add support for CONFIG_DEBUG_VIRTUAL
riscv: keep 32-bit kernel to 32-bit phys_addr_t
kasan: Add riscv to KASAN documentation.
riscv: Add KASAN support
kasan: No KASAN's memmove check if archs don't have it.
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Add riscv to the KASAN documentation to mention that riscv
is supporting generic kasan now.
Signed-off-by: Nick Hu <nickhu@andestech.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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Pull KVM updates from Paolo Bonzini:
"This is the first batch of KVM changes.
ARM:
- cleanups and corner case fixes.
PPC:
- Bugfixes
x86:
- Support for mapping DAX areas with large nested page table entries.
- Cleanups and bugfixes here too. A particularly important one is a
fix for FPU load when the thread has TIF_NEED_FPU_LOAD. There is
also a race condition which could be used in guest userspace to
exploit the guest kernel, for which the embargo expired today.
- Fast path for IPI delivery vmexits, shaving about 200 clock cycles
from IPI latency.
- Protect against "Spectre-v1/L1TF" (bring data in the cache via
speculative out of bound accesses, use L1TF on the sibling
hyperthread to read it), which unfortunately is an even bigger
whack-a-mole game than SpectreV1.
Sean continues his mission to rewrite KVM. In addition to a sizable
number of x86 patches, this time he contributed a pretty large
refactoring of vCPU creation that affects all architectures but should
not have any visible effect.
s390 will come next week together with some more x86 patches"
* tag 'kvm-5.6-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits)
x86/KVM: Clean up host's steal time structure
x86/KVM: Make sure KVM_VCPU_FLUSH_TLB flag is not missed
x86/kvm: Cache gfn to pfn translation
x86/kvm: Introduce kvm_(un)map_gfn()
x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit
KVM: PPC: Book3S PR: Fix -Werror=return-type build failure
KVM: PPC: Book3S HV: Release lock on page-out failure path
KVM: arm64: Treat emulated TVAL TimerValue as a signed 32-bit integer
KVM: arm64: pmu: Only handle supported event counters
KVM: arm64: pmu: Fix chained SW_INCR counters
KVM: arm64: pmu: Don't mark a counter as chained if the odd one is disabled
KVM: arm64: pmu: Don't increment SW_INCR if PMCR.E is unset
KVM: x86: Use a typedef for fastop functions
KVM: X86: Add 'else' to unify fastop and execute call path
KVM: x86: inline memslot_valid_for_gpte
KVM: x86/mmu: Use huge pages for DAX-backed files
KVM: x86/mmu: Remove lpage_is_disallowed() check from set_spte()
KVM: x86/mmu: Fold max_mapping_level() into kvm_mmu_hugepage_adjust()
KVM: x86/mmu: Zap any compound page when collapsing sptes
KVM: x86/mmu: Remove obsolete gfn restoration in FNAME(fetch)
...
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From Boris Ostrovsky:
The KVM hypervisor may provide a guest with ability to defer remote TLB
flush when the remote VCPU is not running. When this feature is used,
the TLB flush will happen only when the remote VPCU is scheduled to run
again. This will avoid unnecessary (and expensive) IPIs.
Under certain circumstances, when a guest initiates such deferred action,
the hypervisor may miss the request. It is also possible that the guest
may mistakenly assume that it has already marked remote VCPU as needing
a flush when in fact that request had already been processed by the
hypervisor. In both cases this will result in an invalid translation
being present in a vCPU, potentially allowing accesses to memory locations
in that guest's address space that should not be accessible.
Note that only intra-guest memory is vulnerable.
The five patches address both of these problems:
1. The first patch makes sure the hypervisor doesn't accidentally clear
a guest's remote flush request
2. The rest of the patches prevent the race between hypervisor
acknowledging a remote flush request and guest issuing a new one.
Conflicts:
arch/x86/kvm/x86.c [move from kvm_arch_vcpu_free to kvm_arch_vcpu_destroy]
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD
Second KVM PPC update for 5.6
* Fix compile warning on 32-bit machines
* Fix locking error in secure VM support
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Implement the H_SVM_INIT_ABORT hcall which the Ultravisor can use to
abort an SVM after it has issued the H_SVM_INIT_START and before the
H_SVM_INIT_DONE hcalls. This hcall could be used when Ultravisor
encounters security violations or other errors when starting an SVM.
Note that this hcall is different from UV_SVM_TERMINATE ucall which
is used by HV to terminate/cleanup an VM that has becore secure.
The H_SVM_INIT_ABORT basically undoes operations that were done
since the H_SVM_INIT_START hcall - i.e page-out all the VM pages back
to normal memory, and terminate the SVM.
(If we do not bring the pages back to normal memory, the text/data
of the VM would be stuck in secure memory and since the SVM did not
go secure, its MSR_S bit will be clear and the VM wont be able to
access its pages even to do a clean exit).
Based on patches and discussion with Paul Mackerras, Ram Pai and
Bharata Rao.
Signed-off-by: Ram Pai <linuxram@linux.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for Linux 5.6
- Fix MMIO sign extension
- Fix HYP VA tagging on tag space exhaustion
- Fix PSTATE/CPSR handling when generating exception
- Fix MMU notifier's advertizing of young pages
- Fix poisoned page handling
- Fix PMU SW event handling
- Fix TVAL register access
- Fix AArch32 external abort injection
- Fix ITS unmapped collection handling
- Various cleanups
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Two UAPI system register IDs do not derive their values from the
ARM system register encodings. This is because their values were
accidentally swapped. As the IDs are API, they cannot be changed.
Add WARNING notes to point them out.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Andrew Jones <drjones@redhat.com>
[maz: turned XXX into WARNING]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200120130825.28838-1-drjones@redhat.com
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git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx
Pull x86 MPX removal from Dave Hansen:
"MPX requires recompiling applications, which requires compiler
support. Unfortunately, GCC 9.1 is expected to be be released without
support for MPX. This means that there was only a relatively small
window where folks could have ever used MPX. It failed to gain wide
adoption in the industry, and Linux was the only mainstream OS to ever
support it widely.
Support for the feature may also disappear on future processors.
This set completes the process that we started during the 5.4 merge
window when the MPX prctl()s were removed. XSAVE support is left in
place, which allows MPX-using KVM guests to continue to function"
* tag 'mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx:
x86/mpx: remove MPX from arch/x86
mm: remove arch_bprm_mm_init() hook
x86/mpx: remove bounds exception code
x86/mpx: remove build infrastructure
x86/alternatives: add missing insn.h include
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From: Dave Hansen <dave.hansen@linux.intel.com>
MPX is being removed from the kernel due to a lack of support
in the toolchain going forward (gcc).
This removes all the remaining (dead at this point) MPX handling
code remaining in the tree. The only remaining code is the XSAVE
support for MPX state which is currently needd for KVM to handle
VMs which might use MPX.
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: x86@kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD core
- block2mtd: page index should use pgoff_t
- maps: physmap: minimal Runtime PM support
- maps: pcmciamtd: avoid possible sleep-in-atomic-context bugs
- concat: Fix a comment referring to an unknown symbol
Raw NAND:
- Macronix: Use match_string() helper
- Atmel: switch to using devm_fwnode_gpiod_get()
- Denali: rework the SKIP_BYTES feature and add reset controlling
- Brcmnand: set appropriate DMA mask
- Cadence: add unspecified HAS_IOMEM dependency
- Various cleanup.
Onenand:
- Rename Samsung and Omap2 drivers to avoid possible build warnings
- Enable compile testing
- Various build issues
- Kconfig cleanup
SPI-NAND:
- Support for Toshiba TC58CVG2S0HRAIJ
SPI-NOR:
- Add support for TB selection using SR bit 6,
- Add support for few flashes"
* tag 'mtd/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (41 commits)
mtd: concat: Fix a comment referring to an unknown symbol
mtd: rawnand: add unspecified HAS_IOMEM dependency
mtd: block2mtd: page index should use pgoff_t
mtd: maps: physmap: Add minimal Runtime PM support
mtd: maps: pcmciamtd: fix possible sleep-in-atomic-context bugs in pcmciamtd_set_vpp()
mtd: onenand: Rename omap2 driver to avoid a build warning
mtd: onenand: Use a better name for samsung driver
mtd: rawnand: atmel: switch to using devm_fwnode_gpiod_get()
mtd: spinand: add support for Toshiba TC58CVG2S0HRAIJ
mtd: rawnand: macronix: Use match_string() helper to simplify the code
mtd: sharpslpart: Fix unsigned comparison to zero
mtd: onenand: Enable compile testing of OMAP and Samsung drivers
mtd: onenand: samsung: Fix printing format for size_t on 64-bit
mtd: onenand: samsung: Fix pointer cast -Wpointer-to-int-cast warnings on 64 bit
mtd: rawnand: denali: remove hard-coded DENALI_DEFAULT_OOB_SKIP_BYTES
mtd: rawnand: denali_dt: add reset controlling
dt-bindings: mtd: denali_dt: document reset property
mtd: rawnand: denali_dt: Add support for configuring SPARE_AREA_SKIP_BYTES
mtd: rawnand: denali_dt: error out if platform has no associated data
mtd: rawnand: brcmnand: Set appropriate DMA mask
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According to the Denali NAND Flash Memory Controller User's Guide,
this IP has two reset signals.
rst_n: reset most of FFs in the controller core
reg_rst_n: reset all FFs in the register interface, and in the
initialization sequencer
This commit specifies these reset signals.
It is possible to control them separately from the IP point of view
although they might be often tied up together in actual SoC integration.
At least for the upstream platforms, Altera/Intel SOCFPGA and Socionext
UniPhier, the reset controller seems to provide only 1-bit control for
the NAND controller. If it is the case, the resets property should
reference to the same phandles for "nand" and "reg" resets, like this:
resets = <&nand_rst>, <&nand_rst>;
reset-names = "nand", "reg";
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this series, we've implemented transparent compression
experimentally. It supports LZO and LZ4, but will add more later as we
investigate in the field more.
At this point, the feature doesn't expose compressed space to user
directly in order to guarantee potential data updates later to the
space. Instead, the main goal is to reduce data writes to flash disk
as much as possible, resulting in extending disk life time as well as
relaxing IO congestion.
Alternatively, we're also considering to add ioctl() to reclaim
compressed space and show it to user after putting the immutable bit.
Enhancements:
- add compression support
- avoid unnecessary locks in quota ops
- harden power-cut scenario for zoned block devices
- use private bio_set to avoid IO congestion
- replace GC mutex with rwsem to serialize callers
Bug fixes:
- fix dentry consistency and memory corruption in rename()'s error case
- fix wrong swap extent reports
- fix casefolding bugs
- change lock coverage to avoid deadlock
- avoid GFP_KERNEL under f2fs_lock_op
And, we've cleaned up sysfs entries to prepare no debugfs"
* tag 'f2fs-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (31 commits)
f2fs: fix race conditions in ->d_compare() and ->d_hash()
f2fs: fix dcache lookup of !casefolded directories
f2fs: Add f2fs stats to sysfs
f2fs: delete duplicate information on sysfs nodes
f2fs: change to use rwsem for gc_mutex
f2fs: update f2fs document regarding to fsync_mode
f2fs: add a way to turn off ipu bio cache
f2fs: code cleanup for f2fs_statfs_project()
f2fs: fix miscounted block limit in f2fs_statfs_project()
f2fs: show the CP_PAUSE reason in checkpoint traces
f2fs: fix deadlock allocating bio_post_read_ctx from mempool
f2fs: remove unneeded check for error allocating bio_post_read_ctx
f2fs: convert inline_dir early before starting rename
f2fs: fix memleak of kobject
f2fs: fix to add swap extent correctly
f2fs: run fsck when getting bad inode during GC
f2fs: support data compression
f2fs: free sysfs kobject
f2fs: declare nested quota_sem and remove unnecessary sems
f2fs: don't put new_page twice in f2fs_rename
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Currently f2fs stats are only available from /d/f2fs/status. This patch
adds some of the f2fs stats to sysfs so that they are accessible even
when debugfs is not mounted.
The following sysfs nodes are added:
-/sys/fs/f2fs/<disk>/free_segments
-/sys/fs/f2fs/<disk>/cp_foreground_calls
-/sys/fs/f2fs/<disk>/cp_background_calls
-/sys/fs/f2fs/<disk>/gc_foreground_calls
-/sys/fs/f2fs/<disk>/gc_background_calls
-/sys/fs/f2fs/<disk>/moved_blocks_foreground
-/sys/fs/f2fs/<disk>/moved_blocks_background
-/sys/fs/f2fs/<disk>/avg_vblocks
Signed-off-by: Hridya Valsaraju <hridya@google.com>
[Jaegeuk Kim: allow STAT_FS without DEBUG_FS]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch merges the sysfs node documentation present in
Documentation/filesystems/f2fs.txt and
Documentation/ABI/testing/sysfs-fs-f2fs
and deletes the duplicate information from
Documentation/filesystems/f2fs.txt. This is to prevent having to update
both files when a new sysfs node is added for f2fs.
The patch also makes minor formatting changes to
Documentation/ABI/testing/sysfs-fs-f2fs.
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds missing fsync_mode entry in f2fs document.
Fixes: 04485987f053 ("f2fs: introduce async IPU policy")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Setting 0x40 in /sys/fs/f2fs/dev/ipu_policy gives a way to turn off
bio cache, which is useufl to check whether block layer using hardware
encryption engine merges IOs correctly.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch tries to support compression in f2fs.
- New term named cluster is defined as basic unit of compression, file can
be divided into multiple clusters logically. One cluster includes 4 << n
(n >= 0) logical pages, compression size is also cluster size, each of
cluster can be compressed or not.
- In cluster metadata layout, one special flag is used to indicate cluster
is compressed one or normal one, for compressed cluster, following metadata
maps cluster to [1, 4 << n - 1] physical blocks, in where f2fs stores
data including compress header and compressed data.
- In order to eliminate write amplification during overwrite, F2FS only
support compression on write-once file, data can be compressed only when
all logical blocks in file are valid and cluster compress ratio is lower
than specified threshold.
- To enable compression on regular inode, there are three ways:
* chattr +c file
* chattr +c dir; touch dir/file
* mount w/ -o compress_extension=ext; touch file.ext
Compress metadata layout:
[Dnode Structure]
+-----------------------------------------------+
| cluster 1 | cluster 2 | ......... | cluster N |
+-----------------------------------------------+
. . . .
. . . .
. Compressed Cluster . . Normal Cluster .
+----------+---------+---------+---------+ +---------+---------+---------+---------+
|compr flag| block 1 | block 2 | block 3 | | block 1 | block 2 | block 3 | block 4 |
+----------+---------+---------+---------+ +---------+---------+---------+---------+
. .
. .
. .
+-------------+-------------+----------+----------------------------+
| data length | data chksum | reserved | compressed data |
+-------------+-------------+----------+----------------------------+
Changelog:
20190326:
- fix error handling of read_end_io().
- remove unneeded comments in f2fs_encrypt_one_page().
20190327:
- fix wrong use of f2fs_cluster_is_full() in f2fs_mpage_readpages().
- don't jump into loop directly to avoid uninitialized variables.
- add TODO tag in error path of f2fs_write_cache_pages().
20190328:
- fix wrong merge condition in f2fs_read_multi_pages().
- check compressed file in f2fs_post_read_required().
20190401
- allow overwrite on non-compressed cluster.
- check cluster meta before writing compressed data.
20190402
- don't preallocate blocks for compressed file.
- add lz4 compress algorithm
- process multiple post read works in one workqueue
Now f2fs supports processing post read work in multiple workqueue,
it shows low performance due to schedule overhead of multiple
workqueue executing orderly.
20190921
- compress: support buffered overwrite
C: compress cluster flag
V: valid block address
N: NEW_ADDR
One cluster contain 4 blocks
before overwrite after overwrite
- VVVV -> CVNN
- CVNN -> VVVV
- CVNN -> CVNN
- CVNN -> CVVV
- CVVV -> CVNN
- CVVV -> CVVV
20191029
- add kconfig F2FS_FS_COMPRESSION to isolate compression related
codes, add kconfig F2FS_FS_{LZO,LZ4} to cover backend algorithm.
note that: will remove lzo backend if Jaegeuk agreed that too.
- update codes according to Eric's comments.
20191101
- apply fixes from Jaegeuk
20191113
- apply fixes from Jaegeuk
- split workqueue for fsverity
20191216
- apply fixes from Jaegeuk
20200117
- fix to avoid NULL pointer dereference
[Jaegeuk Kim]
- add tracepoint for f2fs_{,de}compress_pages()
- fix many bugs and add some compression stats
- fix overwrite/mmap bugs
- address 32bit build error, reported by Geert.
- bug fixes when handling errors and i_compressed_blocks
Reported-by: <noreply@ellerman.id.au>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"This merge window, we've added some performance improvements in how we
handle inode locking in the read/write paths, and improving the
performance of Direct I/O overwrites.
We also now record the error code which caused the first and most
recent ext4_error() report in the superblock, to make it easier to
root cause problems in production systems.
There are also many of the usual cleanups and miscellaneous bug fixes"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (49 commits)
jbd2: clean __jbd2_journal_abort_hard() and __journal_abort_soft()
jbd2: make sure ESHUTDOWN to be recorded in the journal superblock
ext4, jbd2: ensure panic when aborting with zero errno
jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
jbd2_seq_info_next should increase position index
jbd2: remove pointless assertion in __journal_remove_journal_head
ext4,jbd2: fix comment and code style
jbd2: delete the duplicated words in the comments
ext4: fix extent_status trace points
ext4: fix symbolic enum printing in trace output
ext4: choose hardlimit when softlimit is larger than hardlimit in ext4_statfs_project()
ext4: fix race conditions in ->d_compare() and ->d_hash()
ext4: make dioread_nolock the default
ext4: fix extent_status fragmentation for plain files
jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal
ext4: drop ext4_kvmalloc()
ext4: Add EXT4_IOC_FSGETXATTR/EXT4_IOC_FSSETXATTR to compat_ioctl
ext4: remove unused macro MPAGE_DA_EXTENT_TAIL
ext4: add missing braces in ext4_ext_drop_refs()
ext4: fix some nonstandard indentation in extents.c
...
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When ext4 encryption support was first added, ZERO_RANGE was disallowed,
supposedly because test failures (e.g. ext4/001) were seen when enabling
it, and at the time there wasn't enough time/interest to debug it.
However, there's actually no reason why ZERO_RANGE can't work on
encrypted files. And it fact it *does* work now. Whole blocks in the
zeroed range are converted to unwritten extents, as usual; encryption
makes no difference for that part. Partial blocks are zeroed in the
pagecache and then ->writepages() encrypts those blocks as usual.
ext4_block_zero_page_range() handles reading and decrypting the block if
needed before actually doing the pagecache write.
Also, f2fs has always supported ZERO_RANGE on encrypted files.
As far as I can tell, the reason that ext4/001 was failing in v4.1 was
actually because of one of the bugs fixed by commit 36086d43f657 ("ext4
crypto: fix bugs in ext4_encrypted_zeroout()"). The bug made
ext4_encrypted_zeroout() always return a positive value, which caused
unwritten extents in encrypted files to sometimes not be marked as
initialized after being written to. This bug was not actually in
ZERO_RANGE; it just happened to trigger during the extents manipulation
done in ext4/001 (and probably other tests too).
So, let's enable ZERO_RANGE on encrypted files on ext4.
Tested with:
gce-xfstests -c ext4/encrypt -g auto
gce-xfstests -c ext4/encrypt_1k -g auto
Got the same set of test failures both with and without this patch.
But with this patch 6 fewer tests are skipped: ext4/001, generic/008,
generic/009, generic/033, generic/096, and generic/511.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20191226154216.4808-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Mention encryption and verity in the ext4 features list.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20191226154007.4569-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Pull drm updates from Davbe Airlie:
"This is the main pull request for graphics for 5.6. Usual selection of
changes all over.
I've got one outstanding vmwgfx pull that touches mm so kept it
separate until after all of this lands. I'll try and get it to you
soon after this, but it might be early next week (nothing wrong with
code, just my schedule is messy)
This also hits a lot of fbdev drivers with some cleanups.
Other notables:
- vulkan timeline semaphore support added to syncobjs
- nouveau turing secureboot/graphics support
- Displayport MST display stream compression support
Detailed summary:
uapi:
- dma-buf heaps added (and fixed)
- command line add support for panel oreientation
- command line allow overriding penguin count
drm:
- mipi dsi definition updates
- lockdep annotations for dma_resv
- remove dma-buf kmap/kunmap support
- constify fb_ops in all fbdev drivers
- MST fix for daisy chained hotplug-
- CTA-861-G modes with VIC >= 193 added
- fix drm_panel_of_backlight export
- LVDS decoder support
- more device based logging support
- scanline alighment for dumb buffers
- MST DSC helpers
scheduler:
- documentation fixes
- job distribution improvements
panel:
- Logic PD type 28 panel support
- Jimax8729d MIPI-DSI
- igenic JZ4770
- generic DSI devicetree bindings
- sony acx424AKP panel
- Leadtek LTK500HD1829
- xinpeng XPP055C272
- AUO B116XAK01
- GiantPlus GPM940B0
- BOE NV140FHM-N49
- Satoz SAT050AT40H12R2
- Sharp LS020B1DD01D panels.
ttm:
- use blocking WW lock
i915:
- hw/uapi state separation
- Lock annotation improvements
- selftest improvements
- ICL/TGL DSI VDSC support
- VBT parsing improvments
- Display refactoring
- DSI updates + fixes
- HDCP 2.2 for CFL
- CML PCI ID fixes
- GLK+ fbc fix
- PSR fixes
- GEN/GT refactor improvments
- DP MST fixes
- switch context id alloc to xarray
- workaround updates
- LMEM debugfs support
- tiled monitor fixes
- ICL+ clock gating programming removed
- DP MST disable sequence fixed
- LMEM discontiguous object maps
- prefaulting for discontiguous objects
- use LMEM for dumb buffers if possible
- add LMEM mmap support
amdgpu:
- enable sync object timelines for vulkan
- MST atomic routines
- enable MST DSC support
- add DMCUB display microengine support
- DC OEM i2c support
- Renoir DC fixes
- Initial HDCP 2.x support
- BACO support for Arcturus
- Use BACO for runtime PM power save
- gfxoff on navi10
- gfx10 golden updates and fixes
- DCN support on POWER
- GFXOFF for raven1 refresh
- MM engine idle handlers cleanup
- 10bpc EDP panel fixes
- renoir watermark fixes
- SR-IOV fixes
- Arcturus VCN fixes
- GDDR6 training fixes
- freesync fixes
- Pollock support
amdkfd:
- unify more codepath with amdgpu
- use KIQ to setup HIQ rather than MMIO
radeon:
- fix vma fault handler race
- PPC DMA fix
- register check fixes for r100/r200
nouveau:
- mmap_sem vs dma_resv fix
- rewrite the ACR secure boot code for Turing
- TU10x graphics engine support (TU11x pending)
- Page kind mapping for turing
- 10-bit LUT support
- GP10B Tegra fixes
- HD audio regression fix
hisilicon/hibmc:
- use generic fbdev code and helpers
rockchip:
- dsi/px30 support
virtio:
- fb damage support
- static some functions
vc4:
- use dma_resv lock wrappers
msm:
- use dma_resv lock wrappers
- sc7180 display + DSI support
- a618 support
- UBWC support improvements
vmwgfx:
- updates + new logging uapi
exynos:
- enable/disable callback cleanups
etnaviv:
- use dma_resv lock wrappers
atmel-hlcdc:
- clock fixes
mediatek:
- cmdq support
- non-smooth cursor fixes
- ctm property support
sun4i:
- suspend support
- A64 mipi dsi support
rcar-du:
- Color management module support
- LVDS encoder dual-link support
- R8A77980 support
analogic:
- add support for an6345
ast:
- atomic modeset support
- primary plane garbage fix
arcgpu:
- fixes for fourcc handling
tegra:
- minor fixes and improvments
mcde:
- vblank support
meson:
- OSD1 plane AFBC commit
gma500:
- add pageflip support
- reomve global drm_dev
komeda:
- tweak debugfs output
- d32 support
- runtime PM suppotr
udl:
- use generic shmem helpers
- cleanup and fixes"
* tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits)
drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing
drm/nouveau/acr: return error when registering LSF if ACR not supported
drm/nouveau/disp/gv100-: not all channel types support reporting error codes
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
drm/nouveau: support synchronous pushbuf submission
drm/nouveau: signal pending fences when channel has been killed
drm/nouveau: reject attempts to submit to dead channels
drm/nouveau: zero vma pointer even if we only unreference it rather than free
drm/nouveau: Add HD-audio component notifier support
drm/nouveau: fix build error without CONFIG_IOMMU_API
drm/nouveau/kms/nv04: remove set but not used variable 'width'
drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector'
drm/nouveau/mmu: fix comptag memory leak
drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc
drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping
drm/exynos: Rename Exynos to lowercase
drm/exynos: change callback names
drm/mst: Don't do atomic checks over disabled managers
drm/amdgpu: add the lost mutex_init back
drm/amd/display: skip opp blank or unblank if test pattern enabled
...
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https://gitlab.freedesktop.org/drm/msm into drm-next
+ sc7180 display + DSI support
+ a618 (sc7180) support
+ more UBWC (bandwidth compression) support
+ various cleanups to handle devices that use vs don't
use zap fw, etc
+ usual random cleanups and fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CAF6AEGvv03ifuP0tp7-dmqZtr1iS=s8Vc=az8BNGtEoSMD-dkw@mail.gmail.com
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The firmware-name property in the zap node can be used to specify a
device specific zap firmware.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add a compatible string to support sc7180 dpu version.
Signed-off-by: Kalyan Thota <kalyan_t@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Some A3xx and all A4xx Adreno GPUs do not have GMEM inside the GPU core
and must use the On Chip MEMory (OCMEM) in order to be functional.
There's a separate interconnect path that needs to be setup to OCMEM.
Let's document this second interconnect path that's available. Since
there's now two available interconnects, let's add the
interconnect-names property.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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msm needs 5.5-rc4, go to the latest.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Satoz is a Chinese TFT manufacturer.
Website: http://www.sat-sz.com/English/index.html
Add the compatible for its SAT050AT40H12R2 5.0 inch LCD panel.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109184037.9091-1-miquel.raynal@bootlin.com
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The Allwinner SoCs have a display engine composed of several controllers
assembled differently depending on the SoC, the number and type of output
they have, and the additional features they provide. A number of those are
supported in Linux, with the matching bindings.
Now that we have the DT validation in place, let's split into separate file
and convert the device tree bindings for those controllers to schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200103152801.47254-1-maxime@cerno.tech
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Add bindings for the BOE NV140FHM-N49 14" 1920x1080 panel.
The panel is used by the pine64 Pinebook Pro.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Tobias Schramm <t.schramm@manjaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109140742.GA12940@ravnborg.org
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Add a compatible string for the Sharp LS020B1DD01D 2" HQVGA TFT LCD
panel, and remove the old sharp,ls020b1dd01d.txt documentation which is
now obsolete.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109003000.119516-2-paul@crapouillou.net
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Add a compatible string for the GiantPlus GPM740B0 3" QVGA TFT LCD
panel, and remove the old giantplus,gpm740b0.txt documentation which is
now obsolete.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109003000.119516-1-paul@crapouillou.net
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Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200108235356.918189-1-robdclark@gmail.com
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Satoz is a Chinese TFT manufacturer.
Website: http://www.sat-sz.com/English/index.html
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200106151827.31511-1-miquel.raynal@bootlin.com
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There is an increasing number of new simple panels.
Common for many of these simple panels are that they have one
mandatory power-supply and some of them have backlight and / or
an enable gpio.
The binding file to describe these panels adds overhead
that really do not add value.
The binding are known and there is nothing gained from a
dedicated binding file nor for any dedicated example.
The following patch introduces a single panel-simple.yaml
and converts two ampire bindings over to the new file.
The conversion - if applied will have following effects:
- The maintainer for the individual file will change
There is no need for many different maintainers for a simple binding.
We have the same situation with the panel-simple driver in the kernel.
- The license will change to (GPL-2.0-only OR BSD-2-Clause)
There is usually only a single line copied from the original
file, a line that is often copied from a datasheet.
This license change should be acceptable considered what little
is copied.
If the license change is not OK we can use a dedicated binding
file in these cases.
This is a follow-up on Rob's big patch converting a lot of panel bindings
to individual files:
"dt-bindings: display: Convert a bunch of panels to DT schema"
https://patchwork.ozlabs.org/patch/1197683/
The objectives with one file for the relevant simple panels are:
- Make it simpler to add bindings for simple panels
- Keep the number of bindings file lower and thus easier to find a
relevant file to copy from when adding new panels.
- Keep the binding documentation for simple panels more consistent
- Make it simpler to add support for new panels
v3:
- Whitespace fix (checkpatch)
- Indent compatible (Rob h)
- Indent comments to give compatible more visibility (Rob h)
v2:
- spelling fixes (imirkin via irc, Rob)
- updated description (Rob)
- list properires in alphabetical order
- added power-supply to example (Rob)
- updated title
- reworded changelog a little
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Yannick Fertre <yannick.fertre@st.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200102101712.5085-2-sam@ravnborg.org
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The reg property in the example caused following warnings:
xinpeng,xpp055c272.example.dts:20.17-27: Warning (reg_format): /example-0/dsi@ff450000/panel@0:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
xinpeng,xpp055c272.example.dt.yaml: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
xinpeng,xpp055c272.example.dt.yaml: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
xinpeng,xpp055c272.example.dt.yaml: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
xinpeng,xpp055c272.example.dts:18.21-24.15: Warning (avoid_default_addr_size): /example-0/dsi@ff450000/panel@0: Relying on default #address-cells value
xinpeng,xpp055c272.example.dts:18.21-24.15: Warning (avoid_default_addr_size): /example-0/dsi@ff450000/panel@0: Relying on default #size-cells value
Added #address-cells and #size-cells to silence the warning.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200106181731.GA24294@ravnborg.org
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Requested, and we need v5.5-rc1 backported as our current branch is still based on v5.4.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.6:
UAPI Changes:
- Commandline parser: Add support for panel orientation, and per-mode options.
- Fix IOCTL naming for dma-buf heaps.
Cross-subsystem Changes:
- Rename DMA_HEAP_IOC_ALLOC to DMA_HEAP_IOCTL_ALLOC before it becomes abi.
- Change DMA-BUF system-heap's name to system.
- Fix leak in error handling in dma_heap_ioctl(), and make a symbol static.
- Fix udma-buf cpu access.
- Fix ti devicetree bindings.
Core Changes:
- Add CTA-861-G modes with VIC >= 193.
- Change error handling and remove bug_on in *drm_dev_init.
- Export drm_panel_of_backlight() correctly once more.
- Add support for lvds decoders.
- Convert drm/client and drm/(gem-,)fb-helper to drm-device based logging and update logging todo.
Driver Changes:
- Add support for dsi/px30 to rockchip.
- Add fb damage support to virtio.
- Use dma_resv locking wrappers in vc4, msm, etnaviv.
- Make functions in virtio static, and perform some simplifications.
- Add suspend support to sun4i.
- Add A64 mipi dsi support to sun4i.
- Add runtime pm suspend to komeda.
- Associated driver fixes.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/efc11139-1653-86bc-1b0f-0aefde219850@linux.intel.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
i915 features for v5.6:
- Separate hardware and uapi state (Maarten)
- Expose a number of sprite and plane formats (Ville)
- DDC symlink in HDMI connector sysfs directory (Andrzej Pietrasiewicz)
- Improve obj->mm.lock nesting lock annotation (Daniel)
(Includes lockdep changes)
- Selftest improvements across the board (Chris)
- ICL/TGL VDSC support on DSI (Jani, Vandita)
- TGL DSB fixes (Animesh, Lucas, Tvrtko)
- VBT parsing improvements and fixes (Lucas, Matt, José, Jani, Dan Carpenter)
- Fix LPSS vs. PMIC PWM backlight use on BYT/CHT (Hans)
(Includes ACPI+MFD changes)
- Display state, crtc, plane code refactoring (Ville)
- Set opregion chpd value to indicate the driver handles hotplug (Hans de Goede)
- DSI updates and fixes, TGL pipe D support, port mapping (José, Jani, Vandita)
- Make HDCP 2.2 support cover CFL (Juston Li)
- Fix CML PCI IDs and ULT (Shawn Lee)
- CMP-V PCH fix (Imre)
- TGL: Add another TGL PCH ID (James)
- EHL/JSL: Add new PCI IDs (James)
- Rename pipe update tracepoints (Ville)
- Fix FBC on GLK+ (Ville)
- GuC fixes and improvements (Daniele, Don Hiatt, Stuart Summers, Matthew Brost)
- Display debugfs improvements (Ville)
- Hotplug/irq fixes (Matt)
- PSR fixes and improvements (José)
- DRM_I915_GEM_MMAP_OFFSET ioctl (Abdiel)
- Static analysis fixes (Colin Ian King)
- Register sysctl path globally (Venkata Sandeep Dhanalakota)
- Introduce new macros for tracing (Venkata Sandeep Dhanalakota)
- Migrate gt towards intel_uncore_read/write (Andi)
- Add rps frequency translation helpers (Andi)
- Fix TGL transcoder clock off sequence (José)
- Fix TGL port A audio (Kai Vehmanen)
- TGL render decompression (DK)
- GEM/GT improvements and fixes across the board (Chris)
- Couple of backmerges (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
# gpg: Signature made Tue 24 Dec 2019 03:20:48 AM AEST
# gpg: using RSA key D398079D26ABEE6F
# gpg: Good signature from "Jani Nikula <jani.nikula@intel.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1565 A65B 77B0 632E 1124 E59C D398 079D 26AB EE6F
# Conflicts:
# drivers/gpu/drm/i915/display/intel_fbc.c
# drivers/gpu/drm/i915/gt/intel_lrc.c
# drivers/gpu/drm/i915/i915_gem.c
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87lfr3rkry.fsf@intel.com
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Sync up with v5.5-rc1 to get the updated lock_release() API among other
things. Fix the conflict reported by Stephen Rothwell [1].
[1] http://lore.kernel.org/r/20191210093957.5120f717@canb.auug.org.au
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We now only use 1 client without any plan to add more. The client is
also only holding information about the WQ and the process desc, so we
can just move those in the intel_guc structure and always use stage_id
0.
v2: fix comment (John)
v3: fix the comment for real, fix kerneldoc
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191205220243.27403-4-daniele.ceraolospurio@intel.com
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R-Car Display Unit changes:
- Color Management Module support
- LVDS encoder dual-link support enhancements
- R8A77980 support
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191218151710.GA13830@pendragon.ideasonboard.com
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The Renesas-specific "vsps" property lacks a vendor prefix.
Add a "renesas," prefix to comply with DT best practises.
Move "renesas,vsps" below "renesas,cmms" to preserve alphabetical sort
order.
Fixes: 06711e6385a4ab4c ("drm: rcar-du: Document the vsps property in the DT bindings")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Document the newly added 'renesas,cmms' property which accepts a list of
phandle and channel index pairs that point to the CMM units available
for each Display Unit output video channel.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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