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Since IDT PCIe-switch temperature sensor is now always available
irregardless of the EEPROM/BIOS settings, Kconfig and in-code
description should be properly altered. In addition lets update
the driver copyright lines.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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IDT PCIe-switch temperature sensor interface is very broken. First
of all only a few combinations of TMPCTL threshold enable bits
really cause the interrupts unmasked. Even if an individual bit
indicates the event unmasked, corresponding IRQ just isn't generated.
Most of the threshold enable bits combinations are in fact useless and
non of them can help to create a fully functional alarm interface.
So to speak, we can't create a well defined hwmon alarms based on
the IDT PCI-switch threshold IRQs.
Secondly a single threshold IRQ (not a combination of thresholds) can
be successfully enabled without the issue described above. But in this
case we experienced an enormous number of interrupts generated by
the chip if the temperature got near the enabled threshold value. Filter
adjustment didn't help much. It also doesn't provide a hysteresis settings.
Due to the temperature sample fluctuations near the threshold the
interrupts spate makes the system nearly unusable until the temperature
value finally settled so being pushed either to be fully higher or lower
the threshold.
All of these issues makes the temperature sensor alarm interface useless
and even at some point dangerous to be used in the driver. In this case
it is safer to completely discard it and disable the temperature alarm
interrupts.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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IDT PCIe switches provide an embedded temperature sensor working
within [0; 127.5]C with resolution of 0.5C. They also can generate
a PCIe upstream interrupt in case if the temperature passes through
specified thresholds. Since this thresholds interface is very broken
the created hwmon-sysfs interface exposes only the next set of hwmon
nodes: current input temperature, lowest and highest values measured,
history resetting, value offset. HWmon alarm interface isn't provided.
IDT PCIe switch also've got an ADC/filter settings of the sensor.
This driver doesn't expose them to the hwmon-sysfs interface at the
moment, except the offset node.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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In order to create a hwmon interface for the IDT PCIe-switch temperature
sensor the already available reader method should be improved. Particularly
we need to redesign it so one would be able to read temperature/offset
values from registers of the passed types. Since IDT sensor interface
provides temperature in unsigned format 0:7:1 (7 bits for real value
and one for fraction) we also need to have helpers for the typical sysfs
temperature data type conversion to and from this format. Even though
the IDT PCIe-switch provided temperature offset got the same but signed
type it can be translated by these methods too.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jyri Sarha <jsarha@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025201340.34227-9-noralf@tronnes.org
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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025201340.34227-8-noralf@tronnes.org
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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Boris Brezillon <boris.brezillon@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025201340.34227-7-noralf@tronnes.org
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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Stefan Agner <stefan@agner.ch>
Cc: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025201340.34227-3-noralf@tronnes.org
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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025201340.34227-2-noralf@tronnes.org
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Now that in_compat_syscall() is consistent on all architectures and does
not longer report true on native i686, the workarounds (ifdeffery and
helpers) can be removed.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Andy Lutomirsky <luto@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-efi@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: https://lkml.kernel.org/r/20181012134253.23266-3-dima@arista.com
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The devm_ioremap_resource() function never returns NULL, it returns
error pointers.
Fixes: 61ce8d8d8a81 ("irqchip/irq-mvebu-sei: Add new driver for Marvell SEI")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kernel-janitors@vger.kernel.org
Link: https://lkml.kernel.org/r/20181013102246.GD16086@mwanda
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drivers/gpu/drm/drm_syncobj.c:181:6: warning: no previous prototype for ‘drm_syncobj_add_callback’ [-Wmissing-prototypes]
drivers/gpu/drm/drm_syncobj.c:190:6: warning: no previous prototype for ‘drm_syncobj_remove_callback’ [-Wmissing-prototypes]
Fixing that leads to
drivers/gpu/drm/drm_syncobj.c:181:13: warning: ‘drm_syncobj_add_callback’ defined but not used [-Wunused-function]
so remove the unused drm_syncobj_add_callback() entirely.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031120710.21582-1-chris@chris-wilson.co.uk
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
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For Gen11 DSI, we don't need to wait for getting
DSI FIFO empty after sending DCS commands.
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5e078a0274c1fba2521cb14d7d02fd1038ec1b0e.1540900289.git.jani.nikula@intel.com
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This patch detects DSI presence for ICL platform
by reading VBT. DSI detection is done while initializing
DSI using newly added function intel_gen11_dsi_init.
v2 by Jani:
- Preserve old behavour of intel_bios_is_dsi_present()
- s/intel_gen11_dsi_init/icl_dsi_init/g
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2324cdfc8918bda3165354e5e0d15053b1074f14.1540900289.git.jani.nikula@intel.com
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This patch defines payload/header registers for each DSI
transcoder used for transmitting DSI packets.
v2 by Jani:
- Drop full register mask and shift for payload
- Use lower case for hex 0x
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/18275c49215e512347a14bc38715314c2d6f95a4.1540900289.git.jani.nikula@intel.com
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When building stmmac, it is only possible to select CONFIG_DWMAC_GENERIC,
or any of the glue drivers, when CONFIG_STMMAC_PLATFORM is set.
The only exception is CONFIG_STMMAC_PCI.
When calling of_mdiobus_register(), it will call our ->reset()
callback, which is set to stmmac_mdio_reset().
Most of the code in stmmac_mdio_reset() is protected by a
"#if defined(CONFIG_STMMAC_PLATFORM)", which will evaluate
to false when CONFIG_STMMAC_PLATFORM=m.
Because of this, the phy reset gpio will only be pulled when
stmmac is built as built-in, but not when built as modules.
Fix this by using "#if IS_ENABLED()" instead of "#if defined()".
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2018-10-31
This series contains a various collection of fixes.
Miroslav Lichvar from Red Hat or should I say IBM now? Updates the PHC
timecounter interval for igb so that it gets updated at least once
every 550 seconds.
Ngai-Mint provides a fix for fm10k to prevent a soft lockup or system
crash by adding a new condition to determine if the SM mailbox is in the
correct state before proceeding.
Jake provides several fm10k fixes, first one marks complier aborts as
non-fatal since on some platforms trigger machine check errors when the
compile aborts. Added missing device ids to the in-kernel driver. Due
to the recent fixes, bumped the driver version.
I (Jeff Kirsher) fixed a XFRM_ALGO dependency for both ixgbe and
ixgbevf. This fix was based on the original work from Arnd Bergmann,
which only fixed ixgbe.
Mitch provides a fix for i40e/avf to update the status codes, which
resolves an issue between a mis-match between i40e and the iavf driver,
which also supports the ice LAN driver.
Radoslaw fixes the ixgbe where the driver is logging a message about
spoofed packets detected when the VF is re-started with a different MAC
address.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the elaborate private structure global linked-list used in
ntb_netdev_probe() and ntb_netdev_remove() by stashing our private
data in the NTB transport client device.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Be a little wasteful if the (likely CMA) message window buffer is not
suitably aligned after our first attempt; allocate a buffer twice as big
as we need and manually align our MW buffer within it.
This was needed on Intel Broadwell DE platforms with intel_iommu=off
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1373888 ("Missing break in switch")
Addresses-Coverity-ID: 1373889 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Allen Hubbe <allenbh@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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IDT NTB driver sets the upper limit of actual translation address
being written to the corresponding memory window setup. It is achieved
by BARLIMITx register initialization. Needless to say, that the register
works within PCIe bus address space.
In general CPU and PCIe address spaces are different. It means,
that addresses used for Memory TLPs routine can be different from
CPU addresses. While in most of cases they are the same, there are
exceptions when the proper mapping must be performed to have the
portable driver code. There used to be a virt_to_bus()/bus_to_virt()
interface for this purpose. But it's deprecated now. It was also a
mistake to use pci_resource_start() since the return address of the
method is at the CPU address space. In order to achieve the desired
purpose we need to use pci_bus_address() helper. This method shall
return a PCIe bus base address of the corresponding BAR resource.
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Allen Hubbe <allenbh@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome-platform updates from Benson Leung:
- Move mfd/cros_ec_lpc* includes to drivers/platform from mfd
- Adding a new interrupt path for cros_ec_lpc
* tag 'tag-chrome-platform-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: chromeos_tbmc - Remove unneeded const
platform/chrome: Add a new interrupt path for cros_ec_lpc
mfd: cros_ec: Fix and improve kerneldoc comments.
platform/chrome: Move mfd/cros_ec_lpc* includes to drivers/platform.
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The IRQ will be mapped in i2c_device_probe only if client->irq is zero and
i2c_device_remove does not clear this. When rebinding an I2C device,
whos IRQ provider has also been rebound this means that an IRQ mapping
will never be created, causing the I2C device to fail to acquire its
IRQ. Fix this issue by clearing client->irq in i2c_device_remove,
forcing i2c_device_probe to lookup the mapping again.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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irq_create_mapping calls irq_find_mapping internally and will use the
found mapping if one exists, so there is no need to manually call this
from i2c_smbus_host_notify_to_irq.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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In case of Legacy DP connector on TypeC port, the
flex IO DPMLE register is set to number of lanes configured
by the display driver which will be programmed into DDI_BUF_CTL
PORT_WIDTH_SELECTION.
This needs to be programmed before enabling the shared PLLs hence
add a pre_pll_enable hook for ICL and add this programming in that hook.
v2:
* Remove the check for combophy port (Jose)
* Simplify the port reversal check logic (Jose)
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Jose Roberto de Souza <jose.souza@intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181023191248.26418-2-manasi.d.navare@intel.com
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This patch fixes the macros used for defining the DFLEXDPMLE
register bit fields. This accounts for changes in the spec.
Fixes: a2bc69a1a9d6 ("drm/i915/icl: Add register definition for DFLEXDPMLE")
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Jose Roberto de Souza <jose.souza@intel.com>
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181023191248.26418-1-manasi.d.navare@intel.com
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enc_to_dig_port() returns NULL for encoders of type
INTEL_OUTPUT_DP_MST causing the crash bellow:
[ 2832.836101] BUG: unable to handle kernel paging request at 00000000000012b8
[ 2832.843062] PGD 0 P4D 0
[ 2832.845610] Oops: 0000 [#1] SMP
[ 2832.848764] CPU: 2 PID: 3577 Comm: kworker/2:0 Tainted: G W 4.19.0-rc7+ #491
[ 2832.857106] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.2352.A01.1808281852 08/28/2018
[ 2832.870734] Workqueue: events output_poll_execute
[ 2832.875480] RIP: 0010:icl_get_dpll+0xa4/0x5d0 [i915]
[ 2832.880449] Code: e9 03 f3 48 ab 8b 6e 74 41 8b 8c 24 5c 03 00 00 85 ed 0f 88 3f 02 00 00 83 fd 01 0f 8e ad 01 00 00 83 fd 05 0f 8f 2d 02 00 00 <83> ba b8 12 00 00 02 48 8b 36 0f 84 39 02 00 00 44 8b be ec 89 00
[ 2832.899176] RSP: 0018:ffffc90001b57a78 EFLAGS: 00010293
[ 2832.904404] RAX: 0000000000000000 RBX: ffffc90001b57a94 RCX: 0000000000083d60
[ 2832.911536] RDX: 0000000000000000 RSI: ffff8804a8c0dc00 RDI: ffffc90001b57b18
[ 2832.918668] RBP: 0000000000000003 R08: ffff8804a8c1f990 R09: ffff8804a8c1f990
[ 2832.925797] R10: 0000000000000000 R11: ffff8804a8e99600 R12: ffff8804a7760000
[ 2832.932930] R13: ffff88049e94d000 R14: ffff88049e94d000 R15: 000000000000000e
[ 2832.940063] FS: 0000000000000000(0000) GS:ffff8804b0300000(0000) knlGS:0000000000000000
[ 2832.948147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2832.953893] CR2: 00000000000012b8 CR3: 0000000004a1d004 CR4: 0000000000760ee0
[ 2832.961027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2832.968155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2832.975286] PKRU: 55555554
[ 2832.978003] Call Trace:
[ 2832.980496] haswell_crtc_compute_clock+0x3d/0x68 [i915]
[ 2832.985841] intel_crtc_atomic_check+0x61/0x340 [i915]
[ 2832.990987] drm_atomic_helper_check_planes+0x130/0x1c0
[ 2832.996245] intel_atomic_check+0x4d5/0x10f0 [i915]
[ 2833.001147] drm_atomic_check_only+0x484/0x690
[ 2833.005629] drm_atomic_commit+0x13/0x50
[ 2833.009564] restore_fbdev_mode_atomic+0x1c9/0x1e0
[ 2833.014363] drm_fb_helper_restore_fbdev_mode_unlocked+0x47/0x90
[ 2833.020368] drm_fb_helper_set_par+0x29/0x50
[ 2833.024641] drm_fb_helper_hotplug_event.part.33+0x92/0xb0
[ 2833.030130] drm_kms_helper_hotplug_event+0x26/0x30
[ 2833.035013] output_poll_execute+0x192/0x1b0
[ 2833.039293] process_one_work+0x2a5/0x5f0
[ 2833.043315] worker_thread+0x2d/0x3d0
[ 2833.046988] ? rescuer_thread+0x340/0x340
[ 2833.051009] kthread+0x112/0x130
[ 2833.054247] ? kthread_create_worker_on_cpu+0x70/0x70
[ 2833.059307] ret_from_fork+0x3a/0x50
[ 2833.062893] Modules linked in: i915 prime_numbers snd_hda_codec_realtek snd_hda_codec_generic asix snd_usb_audio snd_usbmidi_lib snd_seq_midi snd_seq_midi_event snd_rawmidi cdc_ether usbnet x86_pkg_temp_thermal xhci_pci xhci_hcd ucsi_acpi typec_ucsi typec efivarfs [last unloaded: prime_numbers]
[ 2833.088917] CR2: 00000000000012b8
[ 2833.092241] ---[ end trace 25f9fe3d47af2e75 ]---
[ 2833.096895] RIP: 0010:icl_get_dpll+0xa4/0x5d0 [i915]
[ 2833.101866] Code: e9 03 f3 48 ab 8b 6e 74 41 8b 8c 24 5c 03 00 00 85 ed 0f 88 3f 02 00 00 83 fd 01 0f 8e ad 01 00 00 83 fd 05 0f 8f 2d 02 00 00 <83> ba b8 12 00 00 02 48 8b 36 0f 84 39 02 00 00 44 8b be ec 89 00
[ 2833.120589] RSP: 0018:ffffc90001b57a78 EFLAGS: 00010293
[ 2833.125815] RAX: 0000000000000000 RBX: ffffc90001b57a94 RCX: 0000000000083d60
[ 2833.132946] RDX: 0000000000000000 RSI: ffff8804a8c0dc00 RDI: ffffc90001b57b18
[ 2833.140080] RBP: 0000000000000003 R08: ffff8804a8c1f990 R09: ffff8804a8c1f990
[ 2833.147213] R10: 0000000000000000 R11: ffff8804a8e99600 R12: ffff8804a7760000
[ 2833.154350] R13: ffff88049e94d000 R14: ffff88049e94d000 R15: 000000000000000e
[ 2833.161483] FS: 0000000000000000(0000) GS:ffff8804b0300000(0000) knlGS:0000000000000000
[ 2833.169565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2833.175313] CR2: 00000000000012b8 CR3: 0000000004a1d004 CR4: 0000000000760ee0
[ 2833.182449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2833.189578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2833.196712] PKRU: 55555554
MST ports are allocated from struct intel_dp_mst_encoder not from
struct intel_digital_port as regular ports, so to get the TC type it
is necessary check the primary digital port of the mst encoder.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-5-jose.souza@intel.com
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It is only used by eDP ports so no need to initialize it for each DP
port.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-4-jose.souza@intel.com
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Otherwise it would be in a inconsistent state as port is disconnected
but with a valid tc type.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-3-jose.souza@intel.com
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Otherwise it would be in a inconsistent state as port is disconnected
but with a valid tc type.
Also setting it to unknown will earlier return
icl_tc_phy_disconnect() for any future calls to
intel_digital_port_connected(), this way we don't need to check if
port is marked as safe everytime.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-2-jose.souza@intel.com
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Besides of give the expected output of i915_display_info it will also
avoid some aux ch transactions that would timeout by obvious reasons.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-1-jose.souza@intel.com
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Let's not leak obj->framebuffer_references when we decide that
the framebuffer domensions are not suitable for NV12.
Cc: stable@vger.kernel.org
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Fixes: e44134f2673c ("drm/i915: Add NV12 support to intel_framebuffer_init")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181029140031.11765-1-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
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Use intel_panel_actually_set_backlight() instead of a direct
call to pwm_config() in pwm_disable_backlight().
The main benefit is consistent debug logging when we turn off the
backlight. Currently we see nothing in dmesg which made me wonder
whether the backlight was even getting turned off properly.
The second benefit is consistency; This is what we do for all
the other backlight implementations.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181024155208.18987-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jani Nikula <jani.nikula@intel.com>
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Pull ceph updates from Ilya Dryomov:
"The highlights are:
- a series that fixes some old memory allocation issues in libceph
(myself). We no longer allocate memory in places where allocation
failures cannot be handled and BUG when the allocation fails.
- support for copy_file_range() syscall (Luis Henriques). If size and
alignment conditions are met, it leverages RADOS copy-from
operation. Otherwise, a local copy is performed.
- a patch that reduces memory requirement of ceph_sync_read() from
the size of the entire read to the size of one object (Zheng Yan).
- fallocate() syscall is now restricted to FALLOC_FL_PUNCH_HOLE (Luis
Henriques)"
* tag 'ceph-for-4.20-rc1' of git://github.com/ceph/ceph-client: (25 commits)
ceph: new mount option to disable usage of copy-from op
ceph: support copy_file_range file operation
libceph: support the RADOS copy-from operation
ceph: add non-blocking parameter to ceph_try_get_caps()
libceph: check reply num_data_items in setup_request_data()
libceph: preallocate message data items
libceph, rbd, ceph: move ceph_osdc_alloc_messages() calls
libceph: introduce alloc_watch_request()
libceph: assign cookies in linger_submit()
libceph: enable fallback to ceph_msg_new() in ceph_msgpool_get()
ceph: num_ops is off by one in ceph_aio_retry_work()
libceph: no need to call osd_req_opcode_valid() in osd_req_encode_op()
ceph: set timeout conditionally in __cap_delay_requeue
libceph: don't consume a ref on pagelist in ceph_msg_data_add_pagelist()
libceph: introduce ceph_pagelist_alloc()
libceph: osd_req_op_cls_init() doesn't need to take opcode
libceph: bump CEPH_MSG_MAX_DATA_LEN
ceph: only allow punch hole mode in fallocate
ceph: refactor ceph_sync_read()
ceph: check if LOOKUPNAME request was aborted when filling trace
...
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supported
When DSC is supported we need to validate the modes based on the
maximum supported compressed BPP and maximum supported slice count.
This allows us to allow the modes with pixel clock greater than the
available link BW as long as it meets the compressed BPP
and slice count requirements.
v3:
* Use the macro for dsc sink support (Jani N)
v2:
* Properly comment why we are right shifting the bpp value (Anusha)
Cc: Gaurav K Singh <gaurav.k.singh@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-6-manasi.d.navare@intel.com
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This patch adds helpers for calculating the maximum compressed BPP
supported with small joiner.
This also adds a helper for calculating the slice count in case
of small joiner.
These are inside intel_dp since they take into account hardware
limitations.
v6:
* Take mode_clock and mode_hdisplay as input arguments
so that this can be called in intel_dp_mode_valid (Manasi)
v5:
* Get the max slice width from DPCD
* Check against Min_Slice_width of 2560 (Anusha)
v4:
* #defines for PPR in slice count helper (Gaurav)
v3:
* Simply logic for bpp (DK)
* Limit the valid slice count by max supported by Sink (Manasi)
v2:
* Change the small joiner RAM buffer constant as bspec changed (Manasi)
* rename it as SMALL_JOINER since we are not enabling
big joiner yet (Anusha)
Cc: Gaurav K Singh <gaurav.k.singh@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-5-manasi.d.navare@intel.com
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This patch adds inline functions and helpers for obtaining
DP sink's supported DSC parameters like DSC sink support,
eDP compressed BPP supported, maximum slice count supported
by the sink devices, DSC line buffer bit depth supported on DP sink,
DSC sink maximum color depth by parsing corresponding DPCD registers.
v4:
* Add helper to give line buf bit depth (Manasi)
* Correct the bit masking in color depth helper (manasi)
v3:
* Use SLICE_CAP_2 for DP (Anusha)
v2:
* Add DSC sink support macro (Jani N)
Cc: Gaurav K Singh <gaurav.k.singh@intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Acked-by: Sean Paul <seanpaul@chromium.org> (For merging through
drm-intel)
Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-4-manasi.d.navare@intel.com
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DSC is supported on eDP starting GEN 10 display (on GLK) and on DP starting
GEN 11.
This patch implements the discovery phase of DSC. On hotplug,
source reads the DSC DPCD register set (0x00060 - 0x0006F) to
read the decompression capabilities of the sink device.
This entire block of registers is cached in intel_dp so that
capability information can be used during DSC configuration
phase during compute_config phase of the modeset.
For eDP, this caching happens during the eDP initialization.
This caching is done only for eDP and DP rev >= 1.4
v5:
* Fix the block comment (Gaurav)
* Fix the commit message DSC DPCD addresses (Gaurav)
* Use DRM_ERROR for dpcd_read fail (Gaurav,Anusha)
v4:
* Cache these only for Gen >= 11
v3:
* Remove the dsc_sink_support field in intel_dp (Jani N)
v2:
* Clear the cached registers on hotplug always (Jani N)
* Combine the eDP and DP caching in same function (Jani N)
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Gaurav K Singh <gaurav.k.singh@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-3-manasi.d.navare@intel.com
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Add the newly added slice_row_per_frame parameter
in the Picture Parameter Set registers.
This defines the number of vertically stacked slices
in a frame.
Credits to Manasi for noticing bSpec change.
Suggested-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-1-manasi.d.navare@intel.com
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Both devm_kcalloc() and devm_kzalloc() return NULL on error. They
never return error pointers.
The use of IS_ERR_OR_NULL is currently applied to the wrong
context.
Fix this by replacing IS_ERR_OR_NULL with regular NULL checks.
Fixes: bf2a952d31d2 ("NTB: Add IDT 89HPESxNTx PCIe-switches support")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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ndev_vec_mask() should be returning u64 mask value instead of int.
Otherwise the mask value returned can be incorrect for larger
vectors.
Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Lucas Van <lucas.van@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The tx_time should be in usecs (according to the comment above the
variable), but the setting of the timer during the rearming is done in
msecs. Change it to match the expected units.
Fixes: e74bfeedad08 ("NTB: Add flow control to the ntb_netdev")
Suggested-by: Gerd W. Haeussler <gerd.haeussler@cesys-it.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Dave Jiang <dave.jiang@intel.com>
|
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An MC-aware mode was introduced in commit 7b8195306694 ("mlxsw:
spectrum: Configure MC-aware mode on mlxsw ports"). In MC-aware mode,
BUM traffic gets a special treatment by being assigned to a separate set
of traffic classes 8..15. Pairs of TCs 0 and 8, 1 and 9, etc., are then
configured to strictly prioritize the lower-numbered ones. The intention
is to prevent BUM traffic from flooding the switch and push out all UC
traffic, which would otherwise happen, and instead give UC traffic
precedence.
However strictly prioritizing UC traffic has the effect that UC overload
pushes out all BUM traffic, such as legitimate ARP queries. These
packets are kept in queues for a while, but under sustained UC overload,
their lifetime eventually expires and these packets are dropped. That is
detrimental to network performance as well.
Therefore configure the MC TCs (8..15) with minimum shaper of 200Mbps (a
minimum permitted value) to allow a trickle of necessary control traffic
to get through.
Fixes: 7b8195306694 ("mlxsw: spectrum: Configure MC-aware mode on mlxsw ports")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add QEEC.mise (minimum shaper enable) and QEEC.min_shaper_rate to enable
configuration of minimum shaper.
Increase the QEEC length to 0x20 as well: that's the length that the
register has had for a long time now, but with the configurations that
mlxsw typically exercises, the firmware tolerated 0x1C-sized packets.
With mise=true however, FW rejects packets unless they have the full
required length.
Fixes: b9b7cee40579 ("mlxsw: reg: Add QoS ETS Element Configuration register")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since hclgevf_reset_wait() is used to wait for the hardware to complete
the reset, it is not necessary to hold the rtnl_lock during
hclgevf_reset_wait(). So this patch releases the lock for the duration
of hclgevf_reset_wait().
Fixes: 6988eb2a9b77 ("net: hns3: Add support to reset the enet/ring mgmt layer")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since hclge_reset_wait() is used to wait for the hardware to complete
the reset, it is not necessary to hold the rtnl_lock during
hclge_reset_wait(). So this patch releases the lock for the duration
of hclge_reset_wait().
Fixes: 6d4fab39533f ("net: hns3: Reset net device with rtnl_lock")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In a multi-core machine, the mailbox service and reset service
will be executed at the same time. The reset service will re-initialize
the command queue, before that, the mailbox handler can only get some
invalid messages.
The HCLGE_STATE_CMD_DISABLE flag means that the command queue is not
available and needs to be reinitialized. Therefore, when the mailbox
handler recognizes this flag, it should not process the command.
Fixes: dde1a86e93ca ("net: hns3: Add mailbox support to PF driver")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some functions that, when they fail to send the command,
need to return the corresponding error value to its caller.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Fixes: 681ec3999b3d ("net: hns3: fix for vlan table lost problem when resetting")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When there is a PHY, the driver needs to complete some operations through
MDIO during reset reinitialization, so HCLGE_STATE_CMD_DISABLE is more
suitable than HCLGE_STATE_RST_HANDLING to prevent the MDIO operation from
being sent during the hardware reset.
Fixes: b50ae26c57cb ("net: hns3: never send command queue message to IMP when reset)
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The HEAD pointer of the hardware command queue maybe equal to the command
queue's next_to_use in the driver, so that does not belong to the invalid
HEAD pointer, since the hardware may not process the command in time,
causing the HEAD pointer to be too late to update. The variables' name
in this function is unreadable, so give them a more readable one.
Fixes: 3ff504908f95 ("net: hns3: fix a dead loop in hclge_cmd_csq_clean")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
