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Support displaying DRM_FORMAT_YUV444 and DRM_FORMAT_YVU444 formats.
Tested with kmstest and kodi. e.g.
kmstest -r 1920x1080@60 -f 400x300-YU24
Note: without the shift of width, only half the chroma is fetched,
resulting in correct left half of image and corrupt colours on right half.
The increase in width shouldn't affect fetching of Y data,
as the hardware will clamp at dest width.
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-6-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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We regularly get dmesg error reports of:
[ 18.184066] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -19
[ 18.184098] MAI: soc_pcm_open() failed (-19)
These are generated for any disconnected hdmi interface when pulseaudio
attempts to open the associated ALSA device (numerous times). Each open
generates a kernel error message, generating general log spam.
The error messages all come from _soc_pcm_ret in sound/soc/soc-pcm.c#L39
which suggests returning ENOTSUPP, rather that ENODEV will be quiet.
And indeed it is.
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-5-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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When the margins are changed, the dlist needs to be regenerated
with the changed updated dest regions for each of the planes.
Setting the zpos_changed flag is sufficient to trigger that
without doing a full modeset, therefore set it should the
margins be changed.
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-4-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Apply fractional source co-ordinates into the scaling filters.
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-3-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Fractional source co-ordinates can be used to setup the scaling
filters, so retain the information.
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-2-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Shrink the kernel .text a bit after successful initialization of the
heaps.
Signed-off-by: T.J. Mercier <tjmercier@google.com>
Acked-by: John Stultz <jstultz@google.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240906000314.2368749-1-tjmercier@google.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Borislav Petkov:
- Remove percpu irq related code in the timer-of initialization routine
as it is broken but also unused (Daniel Lezcano)
- Fix return -ETIME when delta exceeds INT_MAX and the next event not
taking effect sometimes (Jacky Bai)
* tag 'timers_urgent_for_v6.11_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/imx-tpm: Fix next event not taking effect sometime
clocksource/drivers/imx-tpm: Fix return -ETIME when delta exceeds INT_MAX
clocksource/drivers/timer-of: Remove percpu irq related code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Fix perf's AUX buffer serialization
- Prevent uninitialized struct members in perf's uprobes handling
* tag 'perf_urgent_for_v6.11_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/aux: Fix AUX buffer serialization
uprobes: Use kzalloc to allocate xol area
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc/other driver fixes for 6.11-rc7. It's
nothing huge, just a bunch of small fixes of reported problems,
including:
- lots of tiny iio driver fixes
- nvmem driver fixex
- binder UAF bugfix
- uio driver crash fix
- other small fixes
All of these have been in linux-next this week with no reported
problems"
* tag 'char-misc-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
VMCI: Fix use-after-free when removing resource in vmci_resource_remove()
Drivers: hv: vmbus: Fix rescind handling in uio_hv_generic
uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind
misc: keba: Fix sysfs group creation
dt-bindings: nvmem: Use soc-nvmem node name instead of nvmem
nvmem: Fix return type of devm_nvmem_device_get() in kerneldoc
nvmem: u-boot-env: error if NVMEM device is too small
misc: fastrpc: Fix double free of 'buf' in error path
binder: fix UAF caused by offsets overwrite
iio: imu: inv_mpu6050: fix interrupt status read for old buggy chips
iio: adc: ad7173: fix GPIO device info
iio: adc: ad7124: fix DT configuration parsing
iio: adc: ad_sigma_delta: fix irq_flags on irq request
iio: adc: ads1119: Fix IRQ flags
iio: fix scale application in iio_convert_raw_to_processed_unlocked
iio: adc: ad7124: fix config comparison
iio: adc: ad7124: fix chip ID mismatch
iio: adc: ad7173: Fix incorrect compatible string
iio: buffer-dmaengine: fix releasing dma channel on error
iio: adc: ad7606: remove frstdata check for serial mode
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a handful of small USB fixes for 6.11-rc7. Included in here
are:
- dwc3 driver fixes for two reported problems
- two typec ucsi driver fixes
- cdns2 controller reset fix
All of these have been in linux-next this week with no reported
problems"
* tag 'usb-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: ucsi: Fix cable registration
usb: typec: ucsi: Fix the partner PD revision
usb: cdns2: Fix controller reset issue
usb: dwc3: core: update LC timer as per USB Spec V3.2
usb: dwc3: Avoid waking up gadget during startxfer
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A pile of Qualcomm clk driver fixes with two main themes: the alpha
PLL driver and shared RCGs, and one fix for the Starfive JH7110 SoC.
- The Alpha PLL clk_ops had multiple problems around setting rates.
There are a handful of patches here that fix masks and skip
enabling the clk from set_rate() when the PLL is disabled. The PLLs
are crucial to operation of the system as almost all frequencies in
the system are derived from them.
- Parking shared RCGs at a slow always on clk at registration time
breaks stuff.
USB host mode can't handle such a slow frequency and the serial
console gets all garbled when the UART clk is handed over to the
kernel. There's a few patches that don't use the shared clk_ops for
the UART clks and another one to skip parking the USB clk at
registration time.
- The Starfive PLL driver used for the CPU was busted causing cpufreq
to fail because the clk didn't change to a safe parent during
set_rate().
The fix is to register a notifier and switch to a safe parent so
the PLL can change rate in a glitch free manner"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc-sc8280xp: don't use parking clk_ops for QUPs
clk: starfive: jh7110-sys: Add notifier for PLL0 clock
clk: qcom: gcc-sm8650: Don't use shared clk_ops for QUPs
clk: qcom: gcc-sm8550: Don't park the USB RCG at registration time
clk: qcom: gcc-sm8550: Don't use parking clk_ops for QUPs
clk: qcom: gcc-x1e80100: Don't use parking clk_ops for QUPs
clk: qcom: ipq9574: Update the alpha PLL type for GPLLs
clk: qcom: gcc-x1e80100: Fix USB 0 and 1 PHY GDSC pwrsts flags
clk: qcom: clk-alpha-pll: Update set_rate for Zonda PLL
clk: qcom: clk-alpha-pll: Fix zonda set_rate failure when PLL is disabled
clk: qcom: clk-alpha-pll: Fix the trion pll postdiv set rate API
clk: qcom: clk-alpha-pll: Fix the pll post div mask
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"Single ufs driver fix quirking around another device spec violation"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: ufs-mediatek: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fix from Linus Walleij:
"A single fix for Qualcomm laptops that are affected by
missing wakeup IRQs"
* tag 'pinctrl-v6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: x1e80100: Bypass PDC wakeup parent for now
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https://gitlab.freedesktop.org/drm/msm into drm-next
Updates for v6.12
DPU:
- Fix implement DP/PHY mapping on SC8180X
- Enable writeback on SM8150, SC8180X, SM6125, SM6350
DP:
- Enable widebus on all relevant chipsets
DSI:
- Fix PHY programming on SM8350 / SM8450
HDMI:
- Add support for HDMI on MSM8998
MDP5:
- NULL string fix
GPU:
- A642L speedbin support
- A615 support
- A306 support
- A621 support
- Expand UBWC uapi
- A7xx GPU devcoredump fixes
- A5xx preemption fixes
- cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGudK7YMiKDhtvYgp=bY64OZZt0UQSkEkSxLo4rLmeVd9g@mail.gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
PullKUnit fix from Shuah Khan:
"Fix to a missing function parameter warning found during documentation
build in linux-next"
* tag 'linux_kselftest-kunit-fixes-6.11-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Fix missing kerneldoc comment
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Unregister platform devices for child nodes when stopping a PCI
device, even if the PCI core has already cleared the OF_POPULATED bit
and of_platform_depopulate() doesn't do anything (Bartosz
Golaszewski)
- Rescan the bus from a separate thread so we don't deadlock when
triggering rescan from sysfs (Bartosz Golaszewski)
* tag 'pci-v6.11-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI/pwrctl: Rescan bus on a separate thread
PCI: Don't rely on of_platform_depopulate() for reused OF-nodes
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Pull smb client fixes from Steve French:
- fix potential mount hang
- fix retry problem in two types of compound operations
- important netfs integration fix in SMB1 read paths
- fix potential uninitialized zero point of inode
- minor patch to improve debugging for potential crediting problems
* tag 'v6.11-rc6-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
netfs, cifs: Improve some debugging bits
cifs: Fix SMB1 readv/writev callback in the same way as SMB2/3
cifs: Fix zero_point init on inode initialisation
smb: client: fix double put of @cfile in smb2_set_path_size()
smb: client: fix double put of @cfile in smb2_rename_path()
smb: client: fix hang in wait_for_response() for negproto
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clang warns on this because it has an unannotated fall-through between
cases:
arch/x86/kvm/x86.c:4819:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
and while we could annotate it as a fallthrough, the proper fix is to
just add the break for this case, instead of falling through to the
default case and the break there.
gcc also has that warning, but it looks like gcc only warns for the
cases where they fall through to "real code", rather than to just a
break. Odd.
Fixes: d30d9ee94cc0 ("KVM: x86: Only advertise KVM_CAP_READONLY_MEM when supported by VM")
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Tom Dohrmann <erbse.13@gmx.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix the arm64 usage of ftrace_graph_ret_addr() to pass the
&state->graph_idx pointer instead of NULL, otherwise this function
just returns early"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: stacktrace: fix the usage of ftrace_graph_ret_addr()
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A revert for the mmap() change that ties the allocation range to the
hint adress, as what we tried to do ended up regressing on other
userspace workloads.
- A fix to avoid a kernel memory leak when emulating misaligned
accesses from userspace.
- A Kconfig fix for toolchain vector detection, which now correctly
detects vector support on toolchains where the V extension depends on
the M extension.
- A fix to avoid failing the linear mapping bootmem bounds check on
NOMMU systems.
- A fix for early alternatives on relocatable kernels.
* tag 'riscv-for-linus-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix RISCV_ALTERNATIVE_EARLY
riscv: Do not restrict memory size because of linear mapping on nommu
riscv: Fix toolchain vector detection
riscv: misaligned: Restrict user access to kernel memory
riscv: mm: Do not restrict mmap address based on hint
riscv: selftests: Remove mmap hint address checks
Revert "RISC-V: mm: Document mmap changes"
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a deadlock in the powerpc qspinlock MCS queue logic
- Fix the return type of pgd_val() to not truncate 64-bit PTEs on 85xx
- Allow the check for dynamic relocations in the VDSO to work correctly
- Make mmu_pte_psize static to fix a build error
Thanks to Christophe Leroy, Nysal Jan K.A., Nicholas Piggin, Geetika
Moolchandani, Jijo Varghese, and Vaishnavi Bhat.
* tag 'powerpc-6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/qspinlock: Fix deadlock in MCS queue
powerpc/mm: Fix return type of pgd_val()
powerpc/vdso: Don't discard rela sections
powerpc/64e: Define mmu_pte_psize static
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Pull x86 kvm fixes from Paolo Bonzini:
"Many small fixes that accumulated while I was on vacation...
- Fixup missed comments from the REMOVED_SPTE => FROZEN_SPTE rename
- Ensure a root is successfully loaded when pre-faulting SPTEs
- Grab kvm->srcu when handling KVM_SET_VCPU_EVENTS to guard against
accessing memslots if toggling SMM happens to force a VM-Exit
- Emulate MSR_{FS,GS}_BASE on SVM even though interception is always
disabled, so that KVM does the right thing if KVM's emulator
encounters {RD,WR}MSR
- Explicitly clear BUS_LOCK_DETECT from KVM's caps on AMD, as KVM
doesn't yet virtualize BUS_LOCK_DETECT on AMD
- Cleanup the help message for CONFIG_KVM_AMD_SEV, and call out that
KVM now supports SEV-SNP too
- Specialize return value of
KVM_CHECK_EXTENSION(KVM_CAP_READONLY_MEM), based on VM type
- Remove unnecessary dependency on CONFIG_HIGH_RES_TIMERS
- Note an RCU quiescent state on guest exit. This avoids a call to
rcu_core() if there was a grace period request while guest was
running"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Remove HIGH_RES_TIMERS dependency
kvm: Note an RCU quiescent state on guest exit
KVM: x86: Only advertise KVM_CAP_READONLY_MEM when supported by VM
KVM: SEV: Update KVM_AMD_SEV Kconfig entry and mention SEV-SNP
KVM: SVM: Don't advertise Bus Lock Detect to guest if SVM support is missing
KVM: SVM: fix emulation of msr reads/writes of MSR_FS_BASE and MSR_GS_BASE
KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS
KVM: x86/mmu: Check that root is valid/loaded when pre-faulting SPTEs
KVM: x86/mmu: Fixup comments missed by the REMOVED_SPTE=>FROZEN_SPTE rename
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix an incorrect warning emitted by the amd-pstate driver on
processors that don't support X86_FEATURE_CPPC (Gautham Shenoy)"
* tag 'pm-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq/amd-pstate: Remove warning for X86_FEATURE_CPPC on certain Zen models
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Pull block fixes from Jens Axboe:
"Mostly just some fixlets for NVMe, but also a bug fix for the ublk
driver and an integrity fix"
* tag 'block-6.11-20240906' of git://git.kernel.dk/linux:
bio-integrity: don't restrict the size of integrity metadata
ublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery()
nvmet: Identify-Active Namespace ID List command should reject invalid nsid
nvme: set BLK_FEAT_ZONED for ZNS multipath disks
nvme-pci: Add sleep quirk for Samsung 990 Evo
nvme-pci: allocate tagset on reset if necessary
nvmet-tcp: fix kernel crash if commands allocation fails
nvme: use better description for async reset reason
nvmet: Make nvmet_debugfs static
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Hopefully the last PR for 6.11, at least for this level of amount.
In addition to the usual HD-audio quirks, there are more changes in
ASoC, but all look small and device-specific fixes, and nothing stands
out. The only slightly big change is sunxi I2S fix, which looks quite
safe to apply, too"
* tag 'sound-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (21 commits)
ALSA: hda/realtek - Fix inactive headset mic jack for ASUS Vivobook 15 X1504VAP
ALSA: hda/realtek: Support mute LED on HP Laptop 14-dq2xxx
ALSA: hda/realtek: Enable Mute Led for HP Victus 15-fb1xxx
ALSA: hda/realtek: extend quirks for Clevo V5[46]0
ASoC: codecs: lpass-va-macro: set the default codec version for sm8250
ALSA: hda: add HDMI codec ID for Intel PTL
ALSA: hda/realtek: add patch for internal mic in Lenovo V145
ASoC: sunxi: sun4i-i2s: fix LRCLK polarity in i2s mode
ASoC: amd: yc: Add a quirk for MSI Bravo 17 (D7VEK)
ASoC: mediatek: mt8188-mt6359: Modify key
ASoc: SOF: topology: Clear SOF link platform name upon unload
ALSA: hda/conexant: Add pincfg quirk to enable top speakers on Sirius devices
ASoC: SOF: ipc: replace "enum sof_comp_type" field with "uint32_t"
ASoC: fix module autoloading
ASoC: tda7419: fix module autoloading
ASoC: google: fix module autoloading
ASoC: intel: fix module autoloading
ASoC: tegra: Fix CBB error during probe()
ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object
ASoC: Intel: soc-acpi-cht: Make Lenovo Yoga Tab 3 X90F DMI match less strict
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Apply SD quirks earlier during probe so they become relevant
MMC host:
- cqhci: Fix checking of CQHCI_HALT state
- dw_mmc: Fix IDMAC operation with pages bigger than 4K
- sdhci-of-aspeed: Fix module autoloading"
* tag 'mmc-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: cqhci: Fix checking of CQHCI_HALT state
mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K
mmc: sdhci-of-aspeed: fix module autoloading
mmc: core: apply SD quirks earlier during probe
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix an OF node reference leak in gpio-rockchip
- add the missing module device table to gpio-modepin
* tag 'gpio-fixes-for-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: modepin: Enable module autoloading
gpio: rockchip: fix OF node leak in probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fix from Ulf Hansson:
- Fix support for required OPPs for multiple PM domains
* tag 'pmdomain-v6.11-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
OPP: Fix support for required OPPs for multiple PM domains
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fix from Uwe Kleine-König:
"Fix an off-by-one in the stm32 driver.
Hardware engineers tend to start counting at 1 while the software guys
usually start with 0. This isn't so nice because that results in
drivers where pwm device #2 needs to use the hardware registers with
index 3.
This was noticed by Fabrice Gasnier.
A small patch fixing that mismatch is the only change included here"
* tag 'pwm/for-6.11-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: stm32: Use the right CCxNP bit in stm32_pwm_enable()
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Pull drm fixes from Dave Airlie:
"This has a fair few patches in it, but I reviewed them all and they
seem like real things, amdgpu, i915 and xe each have a bunch of fixes
for various things, then there is a some bridge suspend/resume
ordering fixes for a recent rework, and then some single driver
changes in a few others.
Nothing looks too serious, hopefully next week is quiet.
amdgpu:
- IPS workaround
- Fix compatibility with older MES firmware
- Fix CPU spikes when clearing VRAM
- Backlight fix
- PMO fix
- Revert SWSMU change to fix regression
xe:
- GSC loading fix
- PCODE mutex fix
- Suspend/Resume fixes
- RPM fixes
i915:
- Do not attempt to load the GSC multiple times
- Fix readout degamma_lut mismatch on ilk/snb
- Mark debug_fence_init_onstack() with __maybe_unused
- fence: Mark debug_fence_free() with __maybe_unused
- display: Add mechanism to use sink model when applying quirk
- display: Increase Fast Wake Sync length as a quirk
komeda:
- zpos normalization fix
nouveau:
- incorrect register fix
imagination:
- memory leak fix
bridge:
- hdmi/bridge rework fixes
panthor:
- cache coherency fix
- hi priority access fix
panel:
- change of compatible string
fbdev:
- deferred-io init with no struct page fix"
* tag 'drm-fixes-2024-09-06' of https://gitlab.freedesktop.org/drm/kernel: (29 commits)
Revert "drm/amdgpu: align pp_power_profile_mode with kernel docs"
drm/fbdev-dma: Only install deferred I/O if necessary
drm/panthor: flush FW AS caches in slow reset path
drm: panel: nv3052c: Correct WL-355608-A8 panel compatible
dt-bindings: display: panel: Rename WL-355608-A8 panel to rg35xx-*-panel
drm/panthor: Restrict high priorities on group_create
drm/xe/display: Avoid encoder_suspend at runtime suspend
drm/xe: Suspend/resume user access only during system s/r
drm/xe/display: Match i915 driver suspend/resume sequences better
drm/xe: Add missing runtime reference to wedged upon gt_reset
drm/xe/pcode: Treat pcode as per-tile rather than per-GT
drm/xe/gsc: Do not attempt to load the GSC multiple times
drm/bridge-connector: reset the HDMI connector state
drm/bridge-connector: move to DRM_DISPLAY_HELPER module
drm/display: stop depending on DRM_DISPLAY_HELPER
drm/i915/display: Increase Fast Wake Sync length as a quirk
drm/i915/display: Add mechanism to use sink model when applying quirk
drm/amd/display: Block timing sync for different signals in PMO
drm/amd/display: Lock DC and exit IPS when changing backlight
drm/amdgpu: always allocate cleared VRAM for GEM allocations
...
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get_stashed_dentry() tries to optimistically retrieve a stashed dentry
from a provided location. It needs to ensure to hold rcu lock before it
dereference the stashed location to prevent UAF issues. Use
rcu_dereference() instead of READ_ONCE() it's effectively equivalent
with some lockdep bells and whistles and it communicates clearly that
this expects rcu protection.
Link: https://lore.kernel.org/r/20240906-vfs-hotfix-5959800ffa68@brauner
Fixes: 07fd7c329839 ("libfs: add path_from_stashed()")
Reported-by: syzbot+f82b36bffae7ef78b6a7@syzkaller.appspotmail.com
Fixes: syzbot+f82b36bffae7ef78b6a7@syzkaller.appspotmail.com
Reported-by: syzbot+cbe4b96e1194b0e34db6@syzkaller.appspotmail.com
Fixes: syzbot+cbe4b96e1194b0e34db6@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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That would be rather nice to have and the kernel side is really trivial,
only the userspace side might be a bit more complex.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826122541.85663-4-christian.koenig@amd.com
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Different approaches have been tried to signal resets and other errors in
vendor specific ways which not only resulted in a wide variety of
implementations but also repeating the same bugs and problems over different
drivers.
Document that drivers should use dma_fence based error signaling which is
vendor agnostic and allows userspace to query submission errors in generic
non-vendor specific code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826122541.85663-3-christian.koenig@amd.com
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The dma_fence_set_error() function allows to set an error code on a
dma_fence object before it is signaled.
Document some of the potential error codes drivers should use and
especially what they mean.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826122541.85663-2-christian.koenig@amd.com
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The current implementation of drm_sched_start uses a hardcoded
-ECANCELED to dispose of a job when the parent/hw fence is NULL.
This results in drm_sched_job_done being called with -ECANCELED for
each job with a NULL parent in the pending list, making it difficult
to distinguish between recovery methods, whether a queue reset or a
full GPU reset was used.
To improve this, we first try a soft recovery for timeout jobs and
use the error code -ENODATA. If soft recovery fails, we proceed with
a queue reset, where the error code remains -ENODATA for the job.
Finally, for a full GPU reset, we use error codes -ECANCELED or
-ETIME. This patch adds an error code parameter to drm_sched_start,
allowing us to differentiate between queue reset and GPU reset
failures. This enables user mode and test applications to validate
the expected correctness of the requested operation. After a
successful queue reset, the only way to continue normal operation is
to call drm_sched_job_done with the specific error code -ENODATA.
v1: Initial implementation by Jesse utilized amdgpu_device_lock_reset_domain
and amdgpu_device_unlock_reset_domain to allow user mode to track
the queue reset status and distinguish between queue reset and
GPU reset.
v2: Christian suggested using the error codes -ENODATA for queue reset
and -ECANCELED or -ETIME for GPU reset, returned to
amdgpu_cs_wait_ioctl.
v3: To meet the requirements, we introduce a new function
drm_sched_start_ex with an additional parameter to set
dma_fence_set_error, allowing us to handle the specific error
codes appropriately and dispose of bad jobs with the selected
error code depending on whether it was a queue reset or GPU reset.
v4: Alex suggested using a new name, drm_sched_start_with_recovery_error,
which more accurately describes the function's purpose.
Additionally, it was recommended to add documentation details
about the new method.
v5: Fixed declaration of new function drm_sched_start_with_recovery_error.(Alex)
v6 (chk): rebase on upstream changes, cleanup the commit message,
drop the new function again and update all callers,
apply the errno also to scheduler fences with hw fences
v7 (chk): rebased
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826122541.85663-1-christian.koenig@amd.com
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There are no more drivers that use GEM VRAM helpers with a simple
display pipeline. Remove the respective code.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-11-tzimmermann@suse.de
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For each mode, test the required memory against the available video
memory. Filters out modes that do not fit into display memory.
Also remove the old test against the 4 MiB limit. It is now obsolete
and did not necessarily produce correct results.
v2:
- fix __udivdi3 linker error (kernel test robot)
- fix vdisplay and hdisplay usage
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-10-tzimmermann@suse.de
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Replace GEM VRAM with GEM SHMEM in bochs. The new memory manager
stores buffer objects in system memory. Makes the driver's memory
management more reliably.
Most of the changes are hidden in external helpers that allocate
buffers. Replacing DRM_GEM_VRAM_DRIVER with DRM_GEM_SHMEM_DRIVER_OPS
swaps these. With GEM VRAM, the video memory was updated directly by
the DRM client. The biggest change within bochs is in atomic_update,
which now updates video memory via memcpy() from the BO in system
memory. Shadow-plane helpers maintaining the pointers to the buffer's
data, so bochs doesn't have to. The update is triggered by each page
flip's call to the framebuffer's dirty helper. The driver supports
damage clipping to minimize memcpy() overhead.
The advantage of GEM SHMEM is that it makes memory management
more reliable. Given DRM's double buffering during page flips, the
minimum amount of video memory is three times the maximum consumption
in some pathological cases. For example, if the maximum size of a GEM
buffer is 1920x1080-32 (i.e., 32-bit FullHD), the buffer size is
8 MiB. Display hardware has to provide at lease 24 MiB to reliably
page flip such configurations. This cannot always be guaranteed and
bochs already contains code to rule out <4 MiB configurations. With
GEM SHMEM, only 8 MiB of video memory are required for the given
example. Unsupported modes can be sorted out easily.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-9-tzimmermann@suse.de
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Remove the simple display pipeline in favor of the regular atomic
helpers in bochs. The simple-pipe helpers are considered deprecated
in DRM.
This effectivly inlines the simple-pipe code for plane and CRTC
support. Instead of a single update helper, there's now a mode-set
helper for the CRTC and an update helper for the plane. The encoder
changes type from NONE ot VIRTUAL.
Removing simple-pipe helpers from bochs will allow for related
cleanups in GEM VRAM helpers.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-8-tzimmermann@suse.de
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Allocate an instance of struct drm_device in struct bochs_device. Also
remove all uses of dev_private from bochs and upcast from the embedded
instance if necessary.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-7-tzimmermann@suse.de
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The dev_private field in struct drm_device is deprecated. Limit its
use by moving it into a helper function. A later change will remove
it entirely.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-6-tzimmermann@suse.de
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Avoid upcasting from struct drm_device by passing the bochs device
directly to functions.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-5-tzimmermann@suse.de
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Do managed cleanup of all PCI resources. Remove the now-unused cleanup
helper bochs_hw_fini().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-4-tzimmermann@suse.de
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Implement a read function for struct drm_edid and read the EDID data
with drm_edit_read_custom(). Update the connector data accordingly.
The EDID data comes from the emulator itself and the connector stores
a copy in its EDID property. The drm_edid field in struct bochs_device
is therefore not required. Remove it.
If qemu provides no EDID data, install default display modes as before.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-3-tzimmermann@suse.de
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An updated implementation of drm_gem_fb_create() already tests the
driver's planes for supported formats. [1] No need to duplicate this
test in bochs.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://elixir.bootlin.com/linux/v6.9/source/drivers/gpu/drm/drm_gem_framebuffer_helper.c#L169 # 1
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-2-tzimmermann@suse.de
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cocci reported a double assignment problem. Upon reviewing previous
commits, it appears this may actually be an incorrect assignment.
Fixes: 8b9550344d39 ("drm/ipp: clean up debug messages")
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Function usage exynos_atomic_commit was removed in
commit 41cbf0fdaa28 ("drm/exynos: use atomic helper commit").
Remove unnecessary function declare.
Signed-off-by: Kwanghoon Son <k.son@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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'struct exynos_drm_ipp_funcs' are not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
20446 1746 16 22208 56c0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
After:
=====
text data bss dec hex filename
20446 1714 16 22176 56a0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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With last TXT binding converted to DT schema, all Samsung Exynos display
bindings are in "samsung" directory, already present in maintainers
entry. Drop old "exynos" directory to fix get_maintainers.pl self-test
warning:
./MAINTAINERS:7539: warning: no file matches F: Documentation/devicetree/bindings/display/exynos/
Fixes: ad6d17e10306 ("dt-bindings: display: samsung,exynos5-dp: convert to DT Schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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