platform/kernel/linux-starfive.git
21 months agoMerge tag 'irqchip-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Thomas Gleixner [Wed, 12 Oct 2022 08:14:09 +0000 (10:14 +0200)]
Merge tag 'irqchip-fixes-6.1-1' of git://git./linux/kernel/git/maz/arm-platforms into irq/core

Pull irqchip fixes from Marc Zyngier:

  - Fix IMX-MU Kconfig, keeping it private to IMX

  - Fix a register offset for the same IMX-MU driver

  - Fix the ls-extirq irqchip driver that would use the wrong
    flavour of spinlocks

Link: https://lore.kernel.org/r/20221012075125.1244143-1-maz@kernel.org
21 months agoirqchip: IMX_MU_MSI should depend on ARCH_MXC
Geert Uytterhoeven [Tue, 4 Oct 2022 16:22:30 +0000 (18:22 +0200)]
irqchip: IMX_MU_MSI should depend on ARCH_MXC

The Freescale/NXP i.MX Messaging Unit is only present on Freescale/NXP
i.MX SoCs.  Hence add a dependency on ARCH_MXC, to prevent asking the
user about this driver when configuring a kernel without Freescale/NXP
i.MX SoC family support.

While at it, expand "MU" to "Messaging Unit" in the help text.

Fixes: 70afdab904d2d1e6 ("irqchip: Add IMX MU MSI controller driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/7f3bd932614ddbff46a1b750ef45b231130364ad.1664900434.git.geert+renesas@glider.be
21 months agoirqchip/imx-mu-msi: Fix wrong register offset for 8ulp
Frank Li [Tue, 4 Oct 2022 20:24:14 +0000 (15:24 -0500)]
irqchip/imx-mu-msi: Fix wrong register offset for 8ulp

Offset 0x124 should be for IMX_MU_TSR, not IMX_MU_GSR.

Fixes: 70afdab904d2 ("irqchip: Add IMX MU MSI controller driver")
Reported-by: Colin King <colin.i.king@gmail.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: updated commit message, tags]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221004202414.216577-1-Frank.Li@nxp.com
21 months agoMerge tag 'irqchip-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm...
Thomas Gleixner [Tue, 4 Oct 2022 09:35:20 +0000 (11:35 +0200)]
Merge tag 'irqchip-6.1' of git://git./linux/kernel/git/maz/arm-platforms into irq/core

Pull irqchip updates from Marc Zyngier:

 - A new driver for the FSL MU widget that provides platform MSI

 - An update for the Realtek RTL irqchip to use a DT binding that
   actually describes the hardware

 - A handful of DT updates, as well as minor code and spelling fixes

Link: https://lore.kernel.org/r/20221002125554.3902840-1-maz@kernel.org
21 months agoirqchip/ls-extirq: Fix invalid wait context by avoiding to use regmap
Vladimir Oltean [Thu, 28 Jul 2022 14:42:54 +0000 (17:42 +0300)]
irqchip/ls-extirq: Fix invalid wait context by avoiding to use regmap

The irqchip->irq_set_type method is called by __irq_set_trigger() under
the desc->lock raw spinlock.

The ls-extirq implementation, ls_extirq_irq_set_type(), uses an MMIO
regmap created by of_syscon_register(), which uses plain spinlocks
(the kind that are sleepable on RT).

Therefore, this is an invalid locking scheme for which we get a kernel
splat stating just that ("[ BUG: Invalid wait context ]"), because the
context in which the plain spinlock may sleep is atomic due to the raw
spinlock. We need to go raw spinlocks all the way.

Make this driver ioremap its INTPCR register on its own, and stop
relying on syscon to provide a regmap.

Fixes: 0dcd9f872769 ("irqchip: Add support for Layerscape external interrupt lines")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
[maz: trimmed down commit log]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220728144254.175385-1-vladimir.oltean@nxp.com
21 months agoMerge branch irq/misc-6.1 into irq/irqchip-next
Marc Zyngier [Thu, 29 Sep 2022 16:21:16 +0000 (17:21 +0100)]
Merge branch irq/misc-6.1 into irq/irqchip-next

* irq/misc-6.1:
  : .
  : Misc irqchip updates for 6.1:
  :
  : - Allow generic irqchip support without selecting CONFIG_OF_IRQ
  :
  : - Fix a couple of bindings for TI interrupts controllers
  :
  : - Yet another binding update for a Renesas SoC
  :
  : - The obligatory fixes from the spelling police
  : .
  dt-bindings: irqchip: renesas,irqc: Add r8a779g0 support
  irqchip/gic-v3: Fix typo in comment
  dt-bindings: interrupt-controller: ti,sci-intr: Fix missing reg property in the binding
  dt-bindings: irqchip: ti,sci-inta: Fix warning for missing #interrupt-cells
  irqchip: Make irqchip_init() usable on pure ACPI systems

Signed-off-by: Marc Zyngier <maz@kernel.org>
21 months agoMerge branch irq/rtl-imap-deprecation into irq/irqchip-next
Marc Zyngier [Thu, 29 Sep 2022 16:21:09 +0000 (17:21 +0100)]
Merge branch irq/rtl-imap-deprecation into irq/irqchip-next

* irq/rtl-imap-deprecation:
  : .
  : Deprecate interrupt-map property for realtek-rtl irqchip
  :
  : Patches from Sander Vanheule.
  : .
  irqchip/realtek-rtl: use parent interrupts
  dt-bindings: interrupt-controller: realtek,rtl-intc: require parents
  irqchip/realtek-rtl: use irq_domain_add_linear()

Signed-off-by: Marc Zyngier <maz@kernel.org>
21 months agoMerge branch irq/fsl-mu-msi into irq/irqchip-next
Marc Zyngier [Thu, 29 Sep 2022 16:20:58 +0000 (17:20 +0100)]
Merge branch irq/fsl-mu-msi into irq/irqchip-next

* irq/fsl-mu-msi:
  : .
  : Platform MSI controller driver for the IMX MU block
  :
  : Patches from Frank Li.
  : .
  dt-bindings: irqchip: Describe the IMX MU block as a MSI controller
  irqchip: Add IMX MU MSI controller driver
  irqchip: Allow extra fields to be passed to IRQCHIP_PLATFORM_DRIVER_END
  platform-msi: Export symbol platform_msi_create_irq_domain()

Signed-off-by: Marc Zyngier <maz@kernel.org>
21 months agodt-bindings: irqchip: Describe the IMX MU block as a MSI controller
Frank Li [Thu, 22 Sep 2022 16:12:44 +0000 (11:12 -0500)]
dt-bindings: irqchip: Describe the IMX MU block as a MSI controller

I.MX MU supports generating IRQs by writing to a register.

Describe its use as a MSI controller so that other blocks (such as a PCI EP)
can use it directly.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220922161246.20586-5-Frank.Li@nxp.com
21 months agoirqchip: Add IMX MU MSI controller driver
Frank Li [Thu, 22 Sep 2022 16:12:43 +0000 (11:12 -0500)]
irqchip: Add IMX MU MSI controller driver

The MU block found in a number of Freescale/NXP SoCs supports generating
IRQs by writing data to a register.

This enables the MU block to be used as a MSI controller, by leveraging
the platform-MSI API.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: dropped pointless dma-iommu.h and of_pci.h includes]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220922161246.20586-4-Frank.Li@nxp.com
21 months agodt-bindings: irqchip: renesas,irqc: Add r8a779g0 support
Geert Uytterhoeven [Wed, 28 Sep 2022 12:33:36 +0000 (14:33 +0200)]
dt-bindings: irqchip: renesas,irqc: Add r8a779g0 support

Document support for the Interrupt Controller for External Devices
(INT-EX) in the Renesas R-Car V4H (R8A779G0) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/4fdb6ff47f62814aab3b06efd1d4c2d7de83b109.1664368373.git.geert+renesas@glider.be
21 months agoirqchip/gic-v3: Fix typo in comment
Zhiyuan Dai [Wed, 28 Sep 2022 02:39:27 +0000 (10:39 +0800)]
irqchip/gic-v3: Fix typo in comment

Fix typo in comment (cleanip/cleanup).

Signed-off-by: Zhiyuan Dai <daizhiyuan@phytium.com.cn>
[maz: commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1664332767-6909-1-git-send-email-daizhiyuan@phytium.com.cn
21 months agodt-bindings: interrupt-controller: ti,sci-intr: Fix missing reg property in the binding
Apurva Nandan [Fri, 19 Aug 2022 19:07:29 +0000 (00:37 +0530)]
dt-bindings: interrupt-controller: ti,sci-intr: Fix missing reg property in the binding

Fix the following warning in dtbs_check
interrupt-controller@a00000: Unevaluated properties are not allowed ('reg' was unexpected)

Add the reg property in the schema.

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220819190729.32358-4-a-nandan@ti.com
21 months agodt-bindings: irqchip: ti,sci-inta: Fix warning for missing #interrupt-cells
Apurva Nandan [Fri, 19 Aug 2022 19:07:27 +0000 (00:37 +0530)]
dt-bindings: irqchip: ti,sci-inta: Fix warning for missing #interrupt-cells

ti,sci-inta nodes, or else we will have following warning when building
device tree files with W=2 warning level.

arch/arm64/boot/dts/ti/k3-j721e-main.dtsi:147.51-156.5: Warning (interrupt_provider): /bus@100000/main-navss/interrupt-controller@33d00000: Missing #interrupt-cells in interrupt provider

And further, #interrupt-cells is required to be in yaml bindings as well
to prevent following schema warnings:

k3-j721e-common-proc-board.dtb: interrupt-controller@33d00000: Unevaluated properties are not allowed ('#interrupt-cells' was unexpected)
>From schema: linux/Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml

Add #interrupt-cells property in ti,sci-inta.yaml

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220819190729.32358-2-a-nandan@ti.com
22 months agoirqchip: Allow extra fields to be passed to IRQCHIP_PLATFORM_DRIVER_END
Frank Li [Thu, 22 Sep 2022 16:12:42 +0000 (11:12 -0500)]
irqchip: Allow extra fields to be passed to IRQCHIP_PLATFORM_DRIVER_END

IRQCHIP_PLATFORM_DRIVER_* doesn't allow some fields (such as .pm)
to be set in the platform_driver structure.

Make IRQCHIP_PLATFORM_DRIVER_END variadic so that .pm or another
field can be set if needed.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: revamped commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220922161246.20586-3-Frank.Li@nxp.com
22 months agoplatform-msi: Export symbol platform_msi_create_irq_domain()
Frank Li [Thu, 22 Sep 2022 16:12:41 +0000 (11:12 -0500)]
platform-msi: Export symbol platform_msi_create_irq_domain()

Allow irqchip drivers using platform MSI to be built as modules.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
[maz: rewrote commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220922161246.20586-2-Frank.Li@nxp.com
22 months agoirqchip/realtek-rtl: use parent interrupts
Sander Vanheule [Mon, 19 Sep 2022 20:24:43 +0000 (22:24 +0200)]
irqchip/realtek-rtl: use parent interrupts

The interrupt-map property for "realtek,rtl-intc" has been deprecated in
favor of a list of parent interrupts. Drop the open-coded parser for
interrupt-map, and use the first parent interrupt instead. If no parent
was provided, the driver will assume that this is the first hardware
interrupt of the SoC's MIPS CPU for compatibility with the legacy binding.

All SoC interrupts were treated equally, independent of which output
they were actually routed to. This means the driver might as well route
all interrupts to the first output, and achieve the same behaviour.

Without the interrupt-map property, interrupt usage information is no
longer available at initialisation. Routing setup will now happen later,
when a hardware interrupt is mapped by the subsystem.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/5f901a82eaa9d97cadf6e9b73a894a92f3f83b7c.1663617425.git.sander@svanheule.net
22 months agodt-bindings: interrupt-controller: realtek,rtl-intc: require parents
Sander Vanheule [Mon, 19 Sep 2022 20:24:42 +0000 (22:24 +0200)]
dt-bindings: interrupt-controller: realtek,rtl-intc: require parents

The interrupt router has 32 inputs, and up to 15 outputs connected to
the MIPS CPU's interrupts. The way these are mapped to each other is
runtime configurable. This controller can also mask individual interrupt
sources, and has a status register to indicate pending interrupts. This
means the controller is not transparent, and the use of "interrupt-map"
inappropriate. Instead, a list of parent interrupts should be specified.

Two-part compatibles are introduced to be able to require "interrupts"
for new devicetrees. For backward compatibility "interrupt-map" is still
allowed on these new compatibles, but deprecated. The old compatible,
with required "interrupt-map" and "#address-cells", is also deprecated.
The relevant descriptions are added or extended to more clearly describe
the functionality of this controller.

To prevent spurious changes to the binding when more SoCs are added,
"allOf" is used with one "if", and the compatible enum only has one
item.

The example is updated to provide a correct example for RTL8380 SoCs.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/ba3ae8e521ef82dd94f18a602ef53078f4a0d8d5.1663617425.git.sander@svanheule.net
22 months agoirqchip/realtek-rtl: use irq_domain_add_linear()
Sander Vanheule [Mon, 19 Sep 2022 20:24:41 +0000 (22:24 +0200)]
irqchip/realtek-rtl: use irq_domain_add_linear()

When using an offset of 0, irq_domain_add_simple() is identical to
irq_domain_add_linear() on DT-based systems, so use the latter instead.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/0c4cd9f7661a30a4cb7ab9881c4a94bc8a379162.1663617425.git.sander@svanheule.net
22 months agoirqchip: Make irqchip_init() usable on pure ACPI systems
Huacai Chen [Tue, 27 Sep 2022 12:45:57 +0000 (20:45 +0800)]
irqchip: Make irqchip_init() usable on pure ACPI systems

Pure ACPI systems (e.g., LoongArch) do not need OF_IRQ, but still
require irqchip_init() to perform the ACPI irqchip probing,
even when OF_IRQ isn't selected.

Relax the dependency to enable the generic irqchip support when
ACPI_GENERIC_GSI is configured.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn>
[maz: revamped commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220927124557.3246737-1-chenhuacai@loongson.cn
22 months agobcma: gpio: Use generic_handle_irq_safe()
Sebastian Andrzej Siewior [Mon, 19 Sep 2022 12:46:16 +0000 (14:46 +0200)]
bcma: gpio: Use generic_handle_irq_safe()

On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_irq() with interrupts enabled triggers a lockdep warning due
to a non-irq safe lock acquisition.

Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().

[ tglx: Split out from combo patch ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
22 months agogpio: mlxbf2: Use generic_handle_irq_safe()
Sebastian Andrzej Siewior [Mon, 19 Sep 2022 12:45:18 +0000 (14:45 +0200)]
gpio: mlxbf2: Use generic_handle_irq_safe()

On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_irq() with interrupts enabled triggers a lockdep warning due
to a non-irq safe lock acquisition.

Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().

[ tglx: Split out from combo patch ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
22 months agoplatform/x86: intel_int0002_vgpio: Use generic_handle_irq_safe()
Sebastian Andrzej Siewior [Mon, 19 Sep 2022 12:44:28 +0000 (14:44 +0200)]
platform/x86: intel_int0002_vgpio: Use generic_handle_irq_safe()

On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_irq() with interrupts enabled triggers a lockdep warning due
to a non-irq safe lock acquisition.

Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().

[ tglx: Split out from combo patch ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
22 months agossb: gpio: Use generic_handle_irq_safe()
Sebastian Andrzej Siewior [Mon, 19 Sep 2022 12:43:46 +0000 (14:43 +0200)]
ssb: gpio: Use generic_handle_irq_safe()

On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_domain_irq() with interrupts enabled triggers a lockdep
warning due to a non-irq safe lock acquisition.

Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().

[ tglx: Split out from combo patch ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
22 months agopinctrl: amd: Use generic_handle_irq_safe()
Sebastian Andrzej Siewior [Mon, 19 Sep 2022 12:42:54 +0000 (14:42 +0200)]
pinctrl: amd: Use generic_handle_irq_safe()

On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_domain_irq() with interrupts enabled triggers a lockdep
warning due to a non-irq safe lock acquisition.

Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().

[ tglx: Split out from combo patch ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215954
22 months agogenirq: Provide generic_handle_domain_irq_safe().
Sebastian Andrzej Siewior [Mon, 9 May 2022 14:04:08 +0000 (16:04 +0200)]
genirq: Provide generic_handle_domain_irq_safe().

commit 509853f9e1e7b ("genirq: Provide generic_handle_irq_safe()")
addressed the problem of demultiplexing interrupt handlers which are force
threaded on PREEMPT_RT enabled kernels which means that the demultiplexed
handler is invoked with interrupts enabled which triggers a lockdep
warning due to a non-irq safe lock acquisition.

The same problem exists for the irq domain based interrupt handling via
generic_handle_domain_irq() which has been reported against the AMD
pin-ctrl driver.

Provide generic_handle_domain_irq_safe() which can used from any context.

[ tglx: Split the usage sites out and massaged changelog ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215954
22 months agoLinux 6.0-rc6
Linus Torvalds [Sun, 18 Sep 2022 20:44:14 +0000 (13:44 -0700)]
Linux 6.0-rc6

22 months agoMerge tag 'parisc-for-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
Linus Torvalds [Sun, 18 Sep 2022 20:26:59 +0000 (13:26 -0700)]
Merge tag 'parisc-for-6.0-3' of git://git./linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:
 "Some small parisc architecture fixes for 6.0-rc6:

  One patch lightens up a previous commit and thus unbreaks building the
  debian kernel, which tries to configure a 64-bit kernel with the
  ARCH=parisc environment variable set.

  The other patches fixes asm/errno.h includes in the tools directory
  and cleans up memory allocation in the iosapic driver.

  Summary:

   - Allow configuring 64-bit kernel with ARCH=parisc

   - Fix asm/errno.h includes in tools directory for parisc and xtensa

   - Clean up iosapic memory allocation

   - Minor typo and spelling fixes"

* tag 'parisc-for-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Allow CONFIG_64BIT with ARCH=parisc
  parisc: remove obsolete manual allocation aligning in iosapic
  tools/include/uapi: Fix <asm/errno.h> for parisc and xtensa
  Input: hp_sdc: fix spelling typo in comment
  parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()

22 months agoMerge tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux
Linus Torvalds [Sun, 18 Sep 2022 16:25:27 +0000 (09:25 -0700)]
Merge tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "Nothing really major here, but figured it'd be nicer to just get these
  flushed out for -rc6 so that the 6.1 branch will have them as well.
  That'll make our lives easier going forward in terms of development,
  and avoid trivial conflicts in this area.

   - Simple trace rename so that the returned opcode name is consistent
     with the enum definition (Stefan)

   - Send zc rsrc request vs notification lifetime fix (Pavel)"

* tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux:
  io_uring/opdef: rename SENDZC_NOTIF to SEND_ZC
  io_uring/net: fix zc fixed buf lifetime

22 months agoio_uring/opdef: rename SENDZC_NOTIF to SEND_ZC
Stefan Metzmacher [Fri, 16 Sep 2022 21:36:25 +0000 (23:36 +0200)]
io_uring/opdef: rename SENDZC_NOTIF to SEND_ZC

It's confusing to see the string SENDZC_NOTIF in ftrace output
when using IORING_OP_SEND_ZC.

Fixes: b48c312be05e8 ("io_uring/net: simplify zerocopy send user API")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Cc: Pavel Begunkov <asml.silence@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8e5cd8616919c92b6c3c7b6ea419fdffd5b97f3c.1663363798.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agoio_uring/net: fix zc fixed buf lifetime
Pavel Begunkov [Fri, 16 Sep 2022 22:22:57 +0000 (23:22 +0100)]
io_uring/net: fix zc fixed buf lifetime

Notifications usually outlive requests, so we need to pin buffers with
it by assigning a rsrc to it instead of the request.

Fixed: b48c312be05e8 ("io_uring/net: simplify zerocopy send user API")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/dd6406ff8a90887f2b36ed6205dac9fda17c1f35.1663366886.git.asml.silence@gmail.com
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agoMerge tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 16 Sep 2022 19:58:17 +0000 (12:58 -0700)]
Merge tag 'gpio-fixes-for-v6.0-rc6' of git://git./linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix the level-low interrupt type support in gpio-mpc8xxx

 - convert another two drivers to using immutable irq chips

 - MAINTAINERS update

* tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: mt7621: Make the irqchip immutable
  gpio: ixp4xx: Make irqchip immutable
  MAINTAINERS: Update HiSilicon GPIO Driver maintainer
  gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type in mpc85xx

22 months agoMerge tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Fri, 16 Sep 2022 14:06:05 +0000 (07:06 -0700)]
Merge tag 'pinctrl-v6.0-2' of git://git./linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Nothing special, just driver fixes:

   - Fix IRQ wakeup and pins for UFS and SDC2 issues on the Qualcomm
     SC8180x

   - Fix the Rockchip driver to support interrupt on both rising and
     falling edges.

   - Name the Allwinner A100 R_PIO properly

   - Fix several issues with the Ocelot interrupts"

* tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: ocelot: Fix interrupt controller
  pinctrl: sunxi: Fix name for A100 R_PIO
  pinctrl: rockchip: Enhance support for IRQ_TYPE_EDGE_BOTH
  pinctrl: qcom: sc8180x: Fix wrong pin numbers
  pinctrl: qcom: sc8180x: Fix gpio_wakeirq_map

22 months agoMerge tag 'block-6.0-2022-09-16' of git://git.kernel.dk/linux-block
Linus Torvalds [Fri, 16 Sep 2022 13:58:04 +0000 (06:58 -0700)]
Merge tag 'block-6.0-2022-09-16' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Two fixes for -rc6:

   - Fix a mixup of sectors and bytes in the secure erase ioctl
     (Mikulas)

   - Fix for a bad return value for a non-blocking bio/blk queue enter
     call (me)"

* tag 'block-6.0-2022-09-16' of git://git.kernel.dk/linux-block:
  blk-lib: fix blkdev_issue_secure_erase
  block: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait

22 months agoMerge tag 'io_uring-6.0-2022-09-16' of git://git.kernel.dk/linux-block
Linus Torvalds [Fri, 16 Sep 2022 13:50:25 +0000 (06:50 -0700)]
Merge tag 'io_uring-6.0-2022-09-16' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "Two small patches:

   - Fix using an unsigned type for the return value, introduced in this
     release (Pavel)

   - Stable fix for a missing check for a fixed file on put (me)"

* tag 'io_uring-6.0-2022-09-16' of git://git.kernel.dk/linux-block:
  io_uring/msg_ring: check file type before putting
  io_uring/rw: fix error'ed retry return values

22 months agoMerge tag 'drm-fixes-2022-09-16' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 16 Sep 2022 13:45:19 +0000 (06:45 -0700)]
Merge tag 'drm-fixes-2022-09-16' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This is the regular drm fixes pull.

  The i915 and misc fixes are fairly regular, but the amdgpu contains
  fixes for new hw blocks, the dcn314 specific path hookups and also has
  a bunch of fixes for clang stack size warnings which are a bit churny
  but fairly straightforward. This means it looks a little larger than
  usual.

  amdgpu:
   - BACO fixes for some RDNA2 boards
   - PCI AER fixes uncovered by a core PCI change
   - Properly hook up dirtyfb helper
   - RAS fixes for GC 11.x
   - TMR fix
   - DCN 3.2.x fixes
   - DCN 3.1.4 fixes
   - LLVM DML stack size fixes

  i915:
   - Revert a display patch around max DP source rate now that the
     proper WaEdpLinkRateDataReload is in place
   - Fix perf limit reasons bit position
   - Fix unclaimmed mmio registers on suspend flow with GuC
   - A vma_move_to_active fix for a regression with video decoding
   - DP DSP fix

  gma500:
   - Locking and IRQ fixes

  meson:
   - OSD1 display fixes

  panel-edp:
   - Fix Innolux timings

  rockchip:
   - DP/HDMI fixes"

* tag 'drm-fixes-2022-09-16' of git://anongit.freedesktop.org/drm/drm: (42 commits)
  drm/amdgpu: make sure to init common IP before gmc
  drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
  drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
  drm/rockchip: Fix return type of cdn_dp_connector_mode_valid
  drm/amd/display: Mark dml30's UseMinimumDCFCLK() as noinline for stack usage
  drm/amd/display: Reduce number of arguments of dml31's CalculateFlipSchedule()
  drm/amd/display: Reduce number of arguments of dml31's CalculateWatermarksAndDRAMSpeedChangeSupport()
  drm/amd/display: Reduce number of arguments of dml32_CalculatePrefetchSchedule()
  drm/amd/display: Reduce number of arguments of dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport()
  drm/amd/display: Refactor SubVP calculation to remove FPU
  drm/amd/display: Limit user regamma to a valid value
  drm/amd/display: add workaround for subvp cursor corruption for DCN32/321
  drm/amd/display: SW cursor fallback for SubVP
  drm/amd/display: Round cursor width up for MALL allocation
  drm/amd/display: Correct dram channel width for dcn314
  drm/amd/display: Relax swizzle checks for video non-RGB formats on DCN314
  drm/amd/display: Hook up DCN314 specific dml implementation
  drm/amd/display: Enable dlg and vba compilation for dcn314
  drm/amd/display: Fix compilation errors on DCN314
  drm/amd/display: Fix divide by zero in DML
  ...

22 months agoMerge tag '6.0-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Linus Torvalds [Fri, 16 Sep 2022 13:41:44 +0000 (06:41 -0700)]
Merge tag '6.0-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Four smb3 fixes for stable:

   - important fix to revalidate mapping when doing direct writes

   - missing spinlock

   - two fixes to socket handling

   - trivial change to update internal version number for cifs.ko"

* tag '6.0-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module number
  cifs: add missing spinlock around tcon refcount
  cifs: always initialize struct msghdr smb_msg completely
  cifs: don't send down the destination address to sendmsg for a SOCK_STREAM
  cifs: revalidate mapping when doing direct writes

22 months agoMerge tag 'drm-intel-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-intel...
Dave Airlie [Fri, 16 Sep 2022 07:49:46 +0000 (17:49 +1000)]
Merge tag 'drm-intel-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Revert a display patch around max DP source rate now
  that the proper WaEdpLinkRateDataReload is in place. (Ville)
- Fix perf limit reasons bit position. (Ashutosh)
- Fix unclaimmed mmio registers on suspend flow with GuC. (Umesh)
- A vma_move_to_active fix for a regression with video decoding. (Nirmoy)
- DP DSP fix. (Ankit)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YyMtmGMXRLsURoM5@intel.com
22 months agoMerge tag 'drm-misc-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Fri, 16 Sep 2022 07:43:16 +0000 (17:43 +1000)]
Merge tag 'drm-misc-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Short summary of fixes pull:

 * gma500: Locking and IRQ fixes
 * meson: OSD1 display fixes
 * panel-edp: Fix Innolux timings
 * rockchip: DP/HDMI fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YyMUpP1w21CPXq+I@linux-uq9g
22 months agoMerge tag 'amd-drm-fixes-6.0-2022-09-14' of https://gitlab.freedesktop.org/agd5f...
Dave Airlie [Fri, 16 Sep 2022 07:00:12 +0000 (17:00 +1000)]
Merge tag 'amd-drm-fixes-6.0-2022-09-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.0-2022-09-14:

amdgpu:
- BACO fixes for some RDNA2 boards
- PCI AER fixes uncovered by a core PCI change
- Properly hook up dirtyfb helper
- RAS fixes for GC 11.x
- TMR fix
- DCN 3.2.x fixes
- DCN 3.1.4 fixes
- LLVM DML stack size fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220914184030.6145-1-alexander.deucher@amd.com
22 months agoio_uring/msg_ring: check file type before putting
Jens Axboe [Thu, 15 Sep 2022 17:44:35 +0000 (11:44 -0600)]
io_uring/msg_ring: check file type before putting

If we're invoked with a fixed file, follow the normal rules of not
calling io_fput_file(). Fixed files are permanently registered to the
ring, and do not need putting separately.

Cc: stable@vger.kernel.org
Fixes: aa184e8671f0 ("io_uring: don't attempt to IOPOLL for MSG_RING requests")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agoblk-lib: fix blkdev_issue_secure_erase
Mikulas Patocka [Wed, 14 Sep 2022 20:55:51 +0000 (16:55 -0400)]
blk-lib: fix blkdev_issue_secure_erase

There's a bug in blkdev_issue_secure_erase. The statement
"unsigned int len = min_t(sector_t, nr_sects, max_sectors);"
sets the variable "len" to the length in sectors, but the statement
"bio->bi_iter.bi_size = len" treats it as if it were in bytes.
The statements "sector += len << SECTOR_SHIFT" and "nr_sects -= len <<
SECTOR_SHIFT" are thinko.

This patch fixes it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # v5.19
Fixes: 44abff2c0b97 ("block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD")
Link: https://lore.kernel.org/r/alpine.LRH.2.02.2209141549480.28100@file01.intranet.prod.int.rdu2.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agoparisc: Allow CONFIG_64BIT with ARCH=parisc
Helge Deller [Tue, 13 Sep 2022 06:51:10 +0000 (08:51 +0200)]
parisc: Allow CONFIG_64BIT with ARCH=parisc

The previous patch triggered a build failure for the debian kernel,
which has CONFIG_64BIT enabled, uses the CROSS_COMPILER environment
variable and uses ARCH=parisc to configure the kernel for 64-bit
support.

This patch weakens the previous patch while keeping the recommended way
to configure the kernel with:
    ARCH=parisc     -> build 32-bit kernel
    ARCH=parisc64   -> build 64-bit kernel
while adding the possibility for debian to configure a 64-bit kernel
even if ARCH=parisc is set (PA8X00 CPU has to be selected and
CONFIG_64BIT needs to be enabled).

The downside of this patch is, that we now have a small window open
again where people may get it wrong: if they enable CONFIG_64BIT and try
to compile with a 32-bit compiler.

Fixes: 3dcfb729b5f4 ("parisc: Make CONFIG_64BIT available for ARCH=parisc64 only")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 5.15+
22 months agoparisc: remove obsolete manual allocation aligning in iosapic
Rolf Eike Beer [Wed, 14 Sep 2022 14:23:02 +0000 (16:23 +0200)]
parisc: remove obsolete manual allocation aligning in iosapic

kmalloc() returns memory with __assume_kmalloc_alignment, which is
__alignof__(unsigned long long) for parisc.

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Helge Deller <deller@gmx.de>
22 months agodrm/amdgpu: make sure to init common IP before gmc
Alex Deucher [Tue, 30 Aug 2022 14:59:49 +0000 (10:59 -0400)]
drm/amdgpu: make sure to init common IP before gmc

Move common IP init before GMC init so that HDP gets
remapped before GMC init which uses it.

This fixes the Unsupported Request error reported through
AER during driver load. The error happens as a write happens
to the remap offset before real remapping is done.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373
The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
22 months agodrm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
Alex Deucher [Fri, 9 Sep 2022 15:53:27 +0000 (11:53 -0400)]
drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega

This mirrors what we do for other asics and this way we are
sure the sdma doorbell range is properly initialized.

There is a comment about the way doorbells on gfx9 work that
requires that they are initialized for other IPs before GFX
is initialized.  However, the statement says that it applies to
multimedia as well, but the VCN code currently initializes
doorbells after GFX and there are no known issues there.  In my
testing at least I don't see any problems on SDMA.

This is a prerequisite for fixing the Unsupported Request error
reported through AER during driver load.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373
The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
22 months agodrm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
Alex Deucher [Fri, 9 Sep 2022 15:47:20 +0000 (11:47 -0400)]
drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega

This mirrors what we do for other asics and this way we are
sure the ih doorbell range is properly initialized.

There is a comment about the way doorbells on gfx9 work that
requires that they are initialized for other IPs before GFX
is initialized.  In this case IH is initialized before GFX,
so there should be no issue.

This is a prerequisite for fixing the Unsupported Request error
reported through AER during driver load.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373
The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
22 months agopinctrl: ocelot: Fix interrupt controller
Horatiu Vultur [Fri, 9 Sep 2022 14:59:42 +0000 (16:59 +0200)]
pinctrl: ocelot: Fix interrupt controller

When an external device generated a level based interrupt then the
interrupt controller could miss the interrupt. The reason is that the
interrupt controller can detect only link changes.

In the following example, if there is a PHY that generates an interrupt
then the following would happen. The GPIO detected that the interrupt
line changed, and then the 'ocelot_irq_handler' was called. Here it
detects which GPIO line saw the change and for that will call the
following:
1. irq_mask
2. phy interrupt routine
3. irq_eoi
4. irq_unmask

And this works fine for simple cases, but if the PHY generates many
interrupts, for example when doing PTP timestamping, then the following
could happen. Again the function 'ocelot_irq_handler' will be called
and then from here the following could happen:
1. irq_mask
2. phy interrupt routine
3. irq_eoi
4. irq_unmask

Right before step 3(irq_eoi), the PHY will generate another interrupt.
Now the interrupt controller will acknowledge the change in the
interrupt line. So we miss the interrupt.

A solution will be to use 'handle_level_irq' instead of
'handle_fasteoi_irq', because for this will change routine order of
handling the interrupt.
1. irq_mask
2. irq_ack
3. phy interrupt routine
4. irq_unmask

And now if the PHY will generate a new interrupt before irq_unmask, the
interrupt controller will detect this because it already acknowledge the
change in interrupt line at step 2(irq_ack).

But this is not the full solution because there is another issue. In
case there are 2 PHYs that share the interrupt line. For example phy1
generates an interrupt, then the following can happen:
1.irq_mask
2.irq_ack
3.phy0 interrupt routine
4.phy1 interrupt routine
5.irq_unmask

In case phy0 will generate an interrupt while clearing the interrupt
source in phy1, then the interrupt line will be kept down by phy0. So
the interrupt controller will not see any changes in the interrupt line.
The solution here is to update 'irq_unmask' such that it can detect if
the interrupt line is still active or not. And if it is active then call
again the procedure to clear the interrupts. But we don't want to do it
every time, only if we know that the interrupt controller has not seen
already that the interrupt line has changed.

While at this, add support also for IRQ_TYPE_LEVEL_LOW.

Fixes: be36abb71d878f ("pinctrl: ocelot: add support for interrupt controller")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220909145942.844102-1-horatiu.vultur@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
22 months agogpio: mt7621: Make the irqchip immutable
Sergio Paracuellos [Tue, 13 Sep 2022 16:46:38 +0000 (18:46 +0200)]
gpio: mt7621: Make the irqchip immutable

Commit 6c846d026d49 ("gpio: Don't fiddle with irqchips marked as
immutable") added a warning to indicate if the gpiolib is altering the
internals of irqchips.  Following this change the following warnings
are now observed for the mt7621 driver:

gpio gpiochip0: (1e000600.gpio-bank0): not an immutable chip, please consider fixing it!
gpio gpiochip1: (1e000600.gpio-bank1): not an immutable chip, please consider fixing it!
gpio gpiochip2: (1e000600.gpio-bank2): not an immutable chip, please consider fixing it!

Fix this by making the irqchip in the mt7621 driver immutable.

Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
22 months agoMerge tag 'devicetree-fixes-for-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 14 Sep 2022 09:22:39 +0000 (10:22 +0100)]
Merge tag 'devicetree-fixes-for-6.0-2' of git://git./linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Update some stale binding maintainer emails

 - Fix property name error in apple,aic binding

 - Add missing param to of_dma_configure_id() stub

 - Fix an off-by-one error in unflatten_dt_nodes()

* tag 'devicetree-fixes-for-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: pinctrl: qcom: drop non-working codeaurora.org emails
  dt-bindings: power: qcom,rpmpd: drop non-working codeaurora.org emails
  dt-bindings: apple,aic: Fix required item "apple,fiq-index" in affinity description
  dt-bindings: interconnect: fsl,imx8m-noc: drop Leonard Crestez
  of/device: Fix up of_dma_configure_id() stub
  MAINTAINERS: Update email of Neil Armstrong
  of: fdt: fix off-by-one error in unflatten_dt_nodes()

22 months agocifs: update internal module number
Steve French [Wed, 14 Sep 2022 04:00:02 +0000 (23:00 -0500)]
cifs: update internal module number

To 2.39

Signed-off-by: Steve French <stfrench@microsoft.com>
22 months agocifs: add missing spinlock around tcon refcount
Paulo Alcantara [Wed, 14 Sep 2022 04:34:51 +0000 (21:34 -0700)]
cifs: add missing spinlock around tcon refcount

Add missing spinlock to protect updates on tcon refcount in
cifs_put_tcon().

Fixes: d7d7a66aacd6 ("cifs: avoid use of global locks for high contention data")
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
22 months agodrm/rockchip: Fix return type of cdn_dp_connector_mode_valid
Nathan Huckleberry [Tue, 13 Sep 2022 20:55:55 +0000 (13:55 -0700)]
drm/rockchip: Fix return type of cdn_dp_connector_mode_valid

The mode_valid field in drm_connector_helper_funcs is expected to be of
type:
enum drm_mode_status (* mode_valid) (struct drm_connector *connector,
     struct drm_display_mode *mode);

The mismatched return type breaks forward edge kCFI since the underlying
function definition does not match the function hook definition.

The return type of cdn_dp_connector_mode_valid should be changed from
int to enum drm_mode_status.

Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1703
Cc: llvm@lists.linux.dev
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220913205555.155149-1-nhuck@google.com
22 months agocifs: always initialize struct msghdr smb_msg completely
Stefan Metzmacher [Wed, 14 Sep 2022 03:25:47 +0000 (05:25 +0200)]
cifs: always initialize struct msghdr smb_msg completely

So far we were just lucky because the uninitialized members
of struct msghdr are not used by default on a SOCK_STREAM tcp
socket.

But as new things like msg_ubuf and sg_from_iter where added
recently, we should play on the safe side and avoid potention
problems in future.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
22 months agocifs: don't send down the destination address to sendmsg for a SOCK_STREAM
Stefan Metzmacher [Wed, 14 Sep 2022 03:25:46 +0000 (05:25 +0200)]
cifs: don't send down the destination address to sendmsg for a SOCK_STREAM

This is ignored anyway by the tcp layer.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Cc: stable@vger.kernel.org
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
22 months agoblock: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait
Stefan Roesch [Mon, 12 Sep 2022 16:53:25 +0000 (09:53 -0700)]
block: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait

Today blk_queue_enter() and __bio_queue_enter() return -EBUSY for the
nowait code path. This is not correct: they should return -EAGAIN
instead.

This problem was detected by fio. The following command exposed the
above problem:

t/io_uring -p0 -d128 -b4096 -s32 -c32 -F1 -B0 -R0 -X1 -n24 -P1 -u1 -O0 /dev/ng0n1

By applying the patch, the retry case is handled correctly in the slow
path.

Signed-off-by: Stefan Roesch <shr@fb.com>
Fixes: bfd343aa1718 ("blk-mq: don't wait in blk_mq_queue_enter() if __GFP_WAIT isn't set")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agodrm/amd/display: Mark dml30's UseMinimumDCFCLK() as noinline for stack usage
Nathan Chancellor [Tue, 30 Aug 2022 20:34:09 +0000 (13:34 -0700)]
drm/amd/display: Mark dml30's UseMinimumDCFCLK() as noinline for stack usage

This function consumes a lot of stack space and it blows up the size of
dml30_ModeSupportAndSystemConfigurationFull() with clang:

  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:3542:6: error: stack frame size (2200) exceeds limit (2048) in 'dml30_ModeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than]
  void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib)
       ^
  1 error generated.

Commit a0f7e7f759cf ("drm/amd/display: fix i386 frame size warning")
aimed to address this for i386 but it did not help x86_64.

To reduce the amount of stack space that
dml30_ModeSupportAndSystemConfigurationFull() uses, mark
UseMinimumDCFCLK() as noinline, using the _for_stack variant for
documentation. While this will increase the total amount of stack usage
between the two functions (1632 and 1304 bytes respectively), it will
make sure both stay below the limit of 2048 bytes for these files. The
aforementioned change does help reduce UseMinimumDCFCLK()'s stack usage
so it should not be reverted in favor of this change.

Link: https://github.com/ClangBuiltLinux/linux/issues/1681
Reported-by: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Reduce number of arguments of dml31's CalculateFlipSchedule()
Nathan Chancellor [Tue, 30 Aug 2022 20:34:08 +0000 (13:34 -0700)]
drm/amd/display: Reduce number of arguments of dml31's CalculateFlipSchedule()

Most of the arguments are identical between the two call sites and they
can be accessed through the 'struct vba_vars_st' pointer. This reduces
the total amount of stack space that
dml31_ModeSupportAndSystemConfigurationFull() uses by 112 bytes with
LLVM 16 (1976 -> 1864), helping clear up the following clang warning:

  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c:3908:6: error: stack frame size (2216) exceeds limit (2048) in 'dml31_ModeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than]
  void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib)
      ^
  1 error generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/1681
Reported-by: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Reduce number of arguments of dml31's CalculateWatermarksAndDRAMSpee...
Nathan Chancellor [Tue, 30 Aug 2022 20:34:07 +0000 (13:34 -0700)]
drm/amd/display: Reduce number of arguments of dml31's CalculateWatermarksAndDRAMSpeedChangeSupport()

Most of the arguments are identical between the two call sites and they
can be accessed through the 'struct vba_vars_st' pointer. This reduces
the total amount of stack space that
dml31_ModeSupportAndSystemConfigurationFull() uses by 240 bytes with
LLVM 16 (2216 -> 1976), helping clear up the following clang warning:

  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c:3908:6: error: stack frame size (2216) exceeds limit (2048) in 'dml31_ModeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than]
  void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib)
      ^
  1 error generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/1681
Reported-by: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Reduce number of arguments of dml32_CalculatePrefetchSchedule()
Nathan Chancellor [Tue, 30 Aug 2022 20:34:06 +0000 (13:34 -0700)]
drm/amd/display: Reduce number of arguments of dml32_CalculatePrefetchSchedule()

Several of the arguments are identical between the two call sites and
they can be accessed through the 'struct vba_vars_st' pointer. This
reduces the total amount of stack space that
dml32_ModeSupportAndSystemConfigurationFull() uses by 208 bytes with
LLVM 16 (1936 -> 1728), helping clear up the following clang warning:

  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c:1721:6: error: stack frame size (2152) exceeds limit (2048) in 'dml32_ModeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than]
  void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib)
       ^
  1 error generated.

Additionally, while modifying the arguments to
dml32_CalculatePrefetchSchedule(), use 'v' consistently, instead of 'v'
mixed with 'mode_lib->vba'.

Link: https://github.com/ClangBuiltLinux/linux/issues/1681
Reported-by: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Reduce number of arguments of dml32_CalculateWatermarksMALLUseAndDRA...
Nathan Chancellor [Tue, 30 Aug 2022 20:34:05 +0000 (13:34 -0700)]
drm/amd/display: Reduce number of arguments of dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport()

Most of the arguments are identical between the two call sites and they
can be accessed through the 'struct vba_vars_st' pointer created at the
top of dml32_ModeSupportAndSystemConfigurationFull(). This reduces the
total amount of stack space that
dml32_ModeSupportAndSystemConfigurationFull() uses by 216 bytes with
LLVM 16 (2152 -> 1936), helping clear up the following clang warning:

  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c:1721:6: error: stack frame size (2152) exceeds limit (2048) in 'dml32_ModeSupportAndSystemConfigurationFull' [-Werror,-Wframe-larger-than]
  void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib)
       ^
  1 error generated.

Additionally, while modifying the arguments to
dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport(), use 'v'
consistently, instead of 'v' mixed with 'mode_lib->vba'.

Link: https://github.com/ClangBuiltLinux/linux/issues/1681
Reported-by: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Refactor SubVP calculation to remove FPU
Alvin Lee [Fri, 5 Aug 2022 17:58:00 +0000 (01:58 +0800)]
drm/amd/display: Refactor SubVP calculation to remove FPU

Refactor calculation to remove floating point operations from dmub_srv.
To ensure that 32-bit compilation works well, we use the div64 family of
macros to do integer division for SubVP-related timing parameters.

Cc: Maíra Canal <mairacanal@riseup.net>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Isabella Basso <isabbasso@riseup.net>
Cc: Magali Lemes <magalilemes00@gmail.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Samson Tam <Samson.Tam@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Co-developed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Co-developed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Limit user regamma to a valid value
Yao Wang1 [Mon, 22 Aug 2022 10:30:31 +0000 (18:30 +0800)]
drm/amd/display: Limit user regamma to a valid value

[Why]
For HDR mode, we get total 512 tf_point and after switching to SDR mode
we actually get 400 tf_point and the rest of points(401~512) still use
dirty value from HDR mode. We should limit the rest of the points to max
value.

[How]
Limit the value when coordinates_x.x > 1, just like what we do in
translate_from_linear_space for other re-gamma build paths.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Yao Wang1 <Yao.Wang1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: add workaround for subvp cursor corruption for DCN32/321
Aurabindo Pillai [Thu, 25 Aug 2022 19:05:58 +0000 (15:05 -0400)]
drm/amd/display: add workaround for subvp cursor corruption for DCN32/321

[Why&How]
Kernel does not have a means to tell the userspace to use software
cursor. Due to lack of this functionality, reducing the max cursor size
is the only way to ensure that power savings of Subview port feature is
utilized for asics that support it. The workaround could be removed
after cursor caching is fixed while a subviewport config is active.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: SW cursor fallback for SubVP
Alvin Lee [Wed, 24 Aug 2022 15:53:50 +0000 (11:53 -0400)]
drm/amd/display: SW cursor fallback for SubVP

[Description]
Leverage SW cursor fall back for SubVP when the cursor is too big. We
want to take advantage of being able to fallback to SW cursor when
possible because it's not worth it to disable MCLK switching because the
cursor is slightly too big.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Aurabindo Pillai <Aurabindo.Pillai@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Round cursor width up for MALL allocation
Taimur Hassan [Thu, 25 Aug 2022 16:33:12 +0000 (12:33 -0400)]
drm/amd/display: Round cursor width up for MALL allocation

[Why & How]
When calculating cursor size for MALL allocation, the cursor width should
be the actual width rounded up to 64 alignment. Additionally, the bit
depth should vary depending on color format.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Correct dram channel width for dcn314
Duncan Ma [Wed, 24 Aug 2022 18:35:03 +0000 (14:35 -0400)]
drm/amd/display: Correct dram channel width for dcn314

[Why]
The interpretation of the number of memory channels
differ by memory type, and this affects channel width
for the DML input.

[How]
Set dram channel width according to memory type for
dcn314.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Duncan Ma <duncan.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Relax swizzle checks for video non-RGB formats on DCN314
Nicholas Kazlauskas [Wed, 24 Aug 2022 14:51:21 +0000 (10:51 -0400)]
drm/amd/display: Relax swizzle checks for video non-RGB formats on DCN314

[Why]
HW can support the display swizzle modes for video, and those are
preferable over standard or linear for decode use.

[How]
Remove the check for DCN314.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Hook up DCN314 specific dml implementation
Nicholas Kazlauskas [Wed, 24 Aug 2022 13:24:18 +0000 (09:24 -0400)]
drm/amd/display: Hook up DCN314 specific dml implementation

[Why & How]
Add support for the DML314 functions and hook up DCN314 to use them.

This has some necessary additions for calculating Max VSTARTUP for
future features, but there's also some changes that we have to make
for pixel format/swizzle support.

That will come in a following patch to make this transition easier to
bisect.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Enable dlg and vba compilation for dcn314
Rodrigo Siqueira [Thu, 1 Sep 2022 20:07:19 +0000 (16:07 -0400)]
drm/amd/display: Enable dlg and vba compilation for dcn314

We were not using the VBA and DLG files for DCN314, but the next
sequence of changes for DCN314 will require those files. This commit
adds the necessary files to the Makefile.

Cc: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Fix compilation errors on DCN314
Rodrigo Siqueira [Thu, 1 Sep 2022 20:00:52 +0000 (16:00 -0400)]
drm/amd/display: Fix compilation errors on DCN314

We have some compilation errors in some DML files from DCN314 that we
never noticed because we were not compiling some of the DML files. This
commit fixes those syntax errors before we enable the compilation.

Cc: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Fix divide by zero in DML
Aric Cyr [Wed, 24 Aug 2022 20:34:53 +0000 (16:34 -0400)]
drm/amd/display: Fix divide by zero in DML

[why]
Incorrectly using MicroTileWidth instead of MacroTileWidth for
calculations.

[how]
Remove all unused references to MicroTile and change them to MacroTile.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Fixing DIG FIFO Error
Leo Chen [Wed, 24 Aug 2022 19:34:24 +0000 (15:34 -0400)]
drm/amd/display: Fixing DIG FIFO Error

[Why & How]
DIG_FIFO_READ_START_LEVEL should only be set to default value (7) by software.
Removed all instances of resetting the register to 0

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Update MBLK calculation for SubVP
Alvin Lee [Tue, 23 Aug 2022 21:14:03 +0000 (17:14 -0400)]
drm/amd/display: Update MBLK calculation for SubVP

[Description]
Update MBLK calculation according to hardware doc.  For DCC case we were
not allocation enough MALL due to an inaccurate MBLK calculation.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Revert "Fallback to SW cursor if SubVP + cursor too big"
Aurabindo Pillai [Thu, 11 Aug 2022 20:42:12 +0000 (16:42 -0400)]
drm/amd/display: Revert "Fallback to SW cursor if SubVP + cursor too big"

This reverts commit a4f1b04216023ff0f4cd89328b59ee6890248130 since
returning false in case of SubVP results in no cursor being visible on
desktop as there is no sw cursor fallback path on all platforms.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: Skip reset error status for psp v13_0_0
Candice Li [Wed, 7 Sep 2022 07:52:04 +0000 (15:52 +0800)]
drm/amdgpu: Skip reset error status for psp v13_0_0

No need to reset error status since only umc ras supported on psp v13_0_0.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: add HDP remap functionality to nbio 7.7
Alex Deucher [Tue, 30 Aug 2022 15:08:09 +0000 (11:08 -0400)]
drm/amdgpu: add HDP remap functionality to nbio 7.7

Was missing before and would have resulted in a write to
a non-existant register. Normally APUs don't use HDP, but
other asics could use this code and APUs do use the HDP
when used in passthrough.

Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: change the alignment size of TMR BO to 1M
Yang Wang [Fri, 9 Sep 2022 03:06:50 +0000 (11:06 +0800)]
drm/amdgpu: change the alignment size of TMR BO to 1M

align TMR BO size TO tmr size is not necessary,
modify the size to 1M to avoid re-create BO fail
when serious VRAM fragmentation.

v2:
add new macro PSP_TMR_ALIGNMENT for TMR BO alignment size

Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: Enable full reset when RAS is supported on gc v11_0_0
Candice Li [Wed, 7 Sep 2022 07:58:59 +0000 (15:58 +0800)]
drm/amdgpu: Enable full reset when RAS is supported on gc v11_0_0

Enable full reset for RAS supported configuration on gc v11_0_0.

v2: simplify the code.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: use dirty framebuffer helper
Hamza Mahfooz [Tue, 6 Sep 2022 19:01:49 +0000 (15:01 -0400)]
drm/amdgpu: use dirty framebuffer helper

Currently, we aren't handling DRM_IOCTL_MODE_DIRTYFB. So, use
drm_atomic_helper_dirtyfb() as the dirty callback in the amdgpu_fb_funcs
struct.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: Don't enable LTR if not supported
Lijo Lazar [Thu, 8 Sep 2022 02:58:57 +0000 (08:28 +0530)]
drm/amdgpu: Don't enable LTR if not supported

As per PCIE Base Spec r4.0 Section 6.18
'Software must not enable LTR in an Endpoint unless the Root Complex
and all intermediate Switches indicate support for LTR.'

This fixes the Unsupported Request error reported through AER during
ASPM enablement.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216455
The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Reported-by: Gustaw Smolarczyk <wielkiegie@gmail.com>
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards
Guchun Chen [Wed, 7 Sep 2022 12:31:36 +0000 (20:31 +0800)]
drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards

To avoid hardware intermittent failures.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodt-bindings: pinctrl: qcom: drop non-working codeaurora.org emails
Krzysztof Kozlowski [Sun, 11 Sep 2022 11:25:20 +0000 (13:25 +0200)]
dt-bindings: pinctrl: qcom: drop non-working codeaurora.org emails

Emails to codeaurora.org bounce ("Recipient address rejected:
undeliverable address: No such user here.").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220911112520.203062-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
22 months agodt-bindings: power: qcom,rpmpd: drop non-working codeaurora.org emails
Krzysztof Kozlowski [Sun, 11 Sep 2022 11:25:08 +0000 (13:25 +0200)]
dt-bindings: power: qcom,rpmpd: drop non-working codeaurora.org emails

Emails to codeaurora.org bounce ("Recipient address rejected:
undeliverable address: No such user here.").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220911112508.202995-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
22 months agogpio: ixp4xx: Make irqchip immutable
Linus Walleij [Sun, 11 Sep 2022 19:07:51 +0000 (21:07 +0200)]
gpio: ixp4xx: Make irqchip immutable

This turns the IXP4xx GPIO irqchip into an immutable
irqchip, a bit different from the standard template due
to being hierarchical.

Tested on the IXP4xx which uses drivers/ata/pata_ixp4xx_cf.c
for a rootfs on compact flash with IRQs from this GPIO
block to the CF ATA controller.

Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
22 months agoMAINTAINERS: Update HiSilicon GPIO Driver maintainer
Jay Fang [Thu, 8 Sep 2022 11:21:51 +0000 (19:21 +0800)]
MAINTAINERS: Update HiSilicon GPIO Driver maintainer

Add Jay Fang as the maintainer of the HiSilicon GPIO Driver, replacing
Luo Jiaxing.

Cc: Luo Jiaxing <jiaxingluo@autox.ai>
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Jiaxing Luo <jiaxingluo@autox.ai>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
22 months agoio_uring/rw: fix error'ed retry return values
Pavel Begunkov [Tue, 13 Sep 2022 12:21:23 +0000 (13:21 +0100)]
io_uring/rw: fix error'ed retry return values

Kernel test robot reports that we test negativity of an unsigned in
io_fixup_rw_res() after a recent change, which masks error codes and
messes up the return value in case I/O is re-retried and failed with
an error.

Fixes: 4d9cb92ca41dd ("io_uring/rw: fix short rw error handling")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9754a0970af1861e7865f9014f735c70dc60bf79.1663071587.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agoMerge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Tue, 13 Sep 2022 13:11:38 +0000 (15:11 +0200)]
Merge tag 'pull-fixes' of git://git./linux/kernel/git/viro/vfs

Pull iov_iter fix from Al Viro:
 "Fix for a nfsd regression caused by the iov_iter stuff this window"

* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  nfsd_splice_actor(): handle compound pages

22 months agodt-bindings: apple,aic: Fix required item "apple,fiq-index" in affinity description
Janne Grunau [Fri, 9 Sep 2022 13:50:54 +0000 (15:50 +0200)]
dt-bindings: apple,aic: Fix required item "apple,fiq-index" in affinity description

The required list used "fiq-index" instead of "apple,fiq-index"
described as property and used in the dts. Add the missing "apple,"
prefix.

Fixes: dba07ad11384 ("dt-bindings: apple,aic: Add affinity description for per-cpu pseudo-interrupts")
Signed-off-by: Janne Grunau <j@jannau.net>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220909135103.98179-2-j@jannau.net
Signed-off-by: Rob Herring <robh@kernel.org>
22 months agotools/include/uapi: Fix <asm/errno.h> for parisc and xtensa
Ben Hutchings [Tue, 25 Aug 2020 22:27:40 +0000 (23:27 +0100)]
tools/include/uapi: Fix <asm/errno.h> for parisc and xtensa

tools/include/uapi/asm/errno.h currently attempts to include
non-existent arch-specific errno.h header for xtensa.
Remove this case so that <asm-generic/errno.h> is used instead,
and add the missing arch-specific header for parisc.

References: https://buildd.debian.org/status/fetch.php?pkg=linux&arch=ia64&ver=5.8.3-1%7Eexp1&stamp=1598340829&raw=1
Signed-off-by: Ben Hutchings <benh@debian.org>
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Cc: <stable@vger.kernel.org> # 5.10+
Signed-off-by: Helge Deller <deller@gmx.de>
22 months agoInput: hp_sdc: fix spelling typo in comment
Jiangshan Yi [Tue, 6 Sep 2022 05:49:01 +0000 (13:49 +0800)]
Input: hp_sdc: fix spelling typo in comment

Fix spelling typo in comment.

Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
Signed-off-by: Helge Deller <deller@gmx.de>
22 months agoparisc: ccio-dma: Add missing iounmap in error path in ccio_probe()
Yang Yingliang [Wed, 24 Aug 2022 09:36:57 +0000 (17:36 +0800)]
parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()

Add missing iounmap() before return from ccio_probe(), if ccio_init_resources()
fails.

Fixes: d46c742f827f ("parisc: ccio-dma: Handle kmalloc failure in ccio_init_resources()")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
22 months agonfsd_splice_actor(): handle compound pages
Al Viro [Sat, 10 Sep 2022 21:14:02 +0000 (22:14 +0100)]
nfsd_splice_actor(): handle compound pages

pipe_buffer might refer to a compound page (and contain more than a PAGE_SIZE
worth of data).  Theoretically it had been possible since way back, but
nfsd_splice_actor() hadn't run into that until copy_page_to_iter() change.
Fortunately, the only thing that changes for compound pages is that we
need to stuff each relevant subpage in and convert the offset into offset
in the first subpage.

Acked-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Benjamin Coddington <bcodding@redhat.com>
Fixes: f0f6b614f83d "copy_page_to_iter(): don't split high-order page in case of ITER_PIPE"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
22 months agoMerge tag 'hyperv-fixes-signed-20220912' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 12 Sep 2022 22:33:55 +0000 (18:33 -0400)]
Merge tag 'hyperv-fixes-signed-20220912' of git://git./linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - Fix an error handling issue in DRM driver (Christophe JAILLET)

 - Fix some issues in framebuffer driver (Vitaly Kuznetsov)

 - Two typo fixes (Jason Wang, Shaomin Deng)

 - Drop unnecessary casting in kvp tool (Zhou Jie)

* tag 'hyperv-fixes-signed-20220912' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: Never allocate anything besides framebuffer from framebuffer memory region
  Drivers: hv: Always reserve framebuffer region for Gen1 VMs
  PCI: Move PCI_VENDOR_ID_MICROSOFT/PCI_DEVICE_ID_HYPERV_VIDEO definitions to pci_ids.h
  tools: hv: kvp: remove unnecessary (void*) conversions
  Drivers: hv: remove duplicate word in a comment
  tools: hv: Remove an extraneous "the"
  drm/hyperv: Fix an error handling path in hyperv_vmbus_probe()

22 months agoMerge tag 'nfs-for-5.20-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Linus Torvalds [Mon, 12 Sep 2022 21:53:46 +0000 (17:53 -0400)]
Merge tag 'nfs-for-5.20-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:

 - Fix SUNRPC call completion races with call_decode() that trigger a
   WARN_ON()

 - NFSv4.0 cannot support open-by-filehandle and NFS re-export

 - Revert "SUNRPC: Remove unreachable error condition" to allow handling
   of error conditions

 - Update suid/sgid mode bits after ALLOCATE and DEALLOCATE

* tag 'nfs-for-5.20-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  Revert "SUNRPC: Remove unreachable error condition"
  NFSv4.2: Update mode bits after ALLOCATE and DEALLOCATE
  NFSv4: Turn off open-by-filehandle and NFS re-export for NFSv4.0
  SUNRPC: Fix call completion races with call_decode()

22 months agoMerge tag 'nfsd-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Linus Torvalds [Mon, 12 Sep 2022 21:14:38 +0000 (17:14 -0400)]
Merge tag 'nfsd-6.0-1' of git://git./linux/kernel/git/cel/linux

Pull nfsd fix from Chuck Lever:
 "Address an NFSD regression introduced during the 6.0 merge window"

* tag 'nfsd-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  NFSD: fix regression with setting ACLs.

22 months agocifs: revalidate mapping when doing direct writes
Ronnie Sahlberg [Mon, 12 Sep 2022 03:04:46 +0000 (13:04 +1000)]
cifs: revalidate mapping when doing direct writes

Kernel bugzilla: 216301

When doing direct writes we need to also invalidate the mapping in case
we have a cached copy of the affected page(s) in memory or else
subsequent reads of the data might return the old/stale content
before we wrote an update to the server.

Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
22 months agoRevert "drm/i915/display: Re-add check for low voltage sku for max dp source rate"
Ville Syrjälä [Fri, 2 Sep 2022 07:03:19 +0000 (10:03 +0300)]
Revert "drm/i915/display: Re-add check for low voltage sku for max dp source rate"

This reverts commit d5929835080a60f9119d024fa42f315913942f76.

With the Parade PS8461E MUX workaround (WaEdpLinkRateDataReload)
implemented we can get finally rid of the is_low_voltage_sku()
check that incorrectly prevents many machines from using the
8.1Gpbs link rate.

Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5272
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6323
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6205
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220902070319.15395-2-ville.syrjala@linux.intel.com
Tested-by: Aaron Ma <aaron.ma@canonical.com>
Tested-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 483e3d87a37e804588ac8224aadd20a84593cafd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
22 months agodrm/i915/gt: Fix perf limit reasons bit positions
Ashutosh Dixit [Thu, 8 Sep 2022 15:58:21 +0000 (08:58 -0700)]
drm/i915/gt: Fix perf limit reasons bit positions

Perf limit reasons bit positions were off by one.

Fixes: fa68bff7cf27 ("drm/i915/gt: Add sysfs throttle frequency interfaces")
Cc: stable@vger.kernel.org # v5.18+
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Acked-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908155821.1662110-1-ashutosh.dixit@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit 60017f34fc334d1bb25476b0b0996b4073e76c90)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
22 months agodrm/i915/guc: Cancel GuC engine busyness worker synchronously
Umesh Nerlige Ramappa [Sat, 27 Aug 2022 00:21:35 +0000 (00:21 +0000)]
drm/i915/guc: Cancel GuC engine busyness worker synchronously

The worker is canceled in gt_park path, but earlier it was assumed that
gt_park path cannot sleep and the cancel is asynchronous. This caused a
race with suspend flow where the worker runs after suspend and causes an
unclaimed register access warning. Cancel the worker synchronously since
the gt_park is indeed allowed to sleep.

v2: Fix author name and sign-off mismatch

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/4419
Fixes: 77cdd054dd2c ("drm/i915/pmu: Connect engine busyness stats from GuC to pmu")
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220827002135.139349-1-umesh.nerlige.ramappa@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit 31335aa8e08be3fe10c50aecd2f11aba77544a78)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>