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git://anongit.freedesktop.org/drm/drm-intel into drm-next
Only gvt fixes on this round:
- Fix non-privilege access warning (Tina)
- Fix display port type (Tina)
- BDW cmd parser missed SWTESS_BASE_ADDRESS (Yan)
- Bypass length check of LRI (Yan)
- Fix one klocwork warning (Tina)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200402213026.GA1141017@intel.com
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into drm-intel-next-fixes
gvt-next-fixes-2020-03-31
- Fix non-privilege access warning (Tina)
- Fix display port type (Tina)
- BDW cmd parser missed SWTESS_BASE_ADDRESS (Yan)
- Bypass length check of LRI (Yan)
- Fix one klocwork warning (Tina)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200331070025.GB16629@zhen-hp.sh.intel.com
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Add llu suffix and cast operator to fix the klocwork warning about
"Operands in a bitwise operation have different size"
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200324123021.15831-1-tina.zhang@intel.com
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lri ususally of variable len and far exceeding 127 dwords.
Fixes: 00a33be40634 ("drm/i915/gvt: Add valid length check for MI variable commands")
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200304095121.21609-1-yan.y.zhao@intel.com
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This cmd access is found on BDW.
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200305055413.6833-1-yan.y.zhao@intel.com
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According to the vbt provided by GVT-g, the display output type should
be display port, instead of DVI. Currently, GVT-g display model only
supports display port emulation, not DVI or HDMI. This patch fixes this
by telling guest i915 the right output type supported by GVT-g.
v3: make port_b and port_c use dp type connector too. (Zhenyu)
v2: refine the commit message. (Zhenyu)
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200317093615.10538-1-tina.zhang@intel.com
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Those regs are added in order to slove the following complains:
[70811.201818] gvt: vgpu(1) Invalid FORCE_NONPRIV write 2341 at offset 24d8
[70811.201825] gvt: vgpu(1) Invalid FORCE_NONPRIV write 2351 at offset 24dc
[70811.201831] gvt: vgpu(1) Invalid FORCE_NONPRIV write 10000d82 at offset 24e0
[70811.201837] gvt: vgpu(1) Invalid FORCE_NONPRIV write 10064844 at offset 24e4
So solve them by adding the required regs to the whitelist.
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200302083130.17831-1-tina.zhang@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"An update to the Goodix touchscreen driver to enable it work properly
on various Bay Trail and Cherry Trail devices, and a few other
assorted changes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (26 commits)
Input: update SPDX tag for input-event-codes.h
Input: i8042 - add Acer Aspire 5738z to nomux list
Input: goodix - fix compilation when ACPI support is disabled
dt-bindings: touchscreen: Convert edt-ft5x06 to json-schema
Input: of_touchscreen - explicitly choose axis
Input: goodix - support gt9147 touchpanel
dt-bindings: touchscreen: goodix: support of gt9147
Input: goodix - add support for Goodix GT917S
Input: goodix - use string-based chip ID
dt-bindings: input: touchscreen: add compatible string for Goodix GT917S
Input: goodix - add support for more then one touch-key
Input: goodix - fix spurious key release events
Input: goodix - try to reset the controller if the i2c-test fails
Input: goodix - restore config on resume if necessary
Input: goodix - make goodix_send_cfg() take a raw buffer as argument
Input: goodix - add minimum firmware size check
Input: goodix - save a copy of the config from goodix_read_config()
Input: goodix - move defines to above struct goodix_ts_data declaration
Input: goodix - add support for controlling the IRQ pin through ACPI methods
Input: goodix - add support for getting IRQ + reset GPIOs on Bay Trail devices
...
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Prepare input updates for 5.7 merge window.
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The Acer Aspire 5738z has a button to disable (and re-enable) the
touchpad next to the touchpad.
When this button is pressed a LED underneath indicates that the touchpad
is disabled (and an event is send to userspace and GNOME shows its
touchpad enabled / disable OSD thingie).
So far so good, but after re-enabling the touchpad it no longer works.
The laptop does not have an external ps2 port, so mux mode is not needed
and disabling mux mode fixes the touchpad no longer working after toggling
it off and back on again, so lets add this laptop model to the nomux list.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200331123947.318908-1-hdegoede@redhat.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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acpi_evaluate_object() and acpi_execute_simple_method() are not part of
the group of ACPI related functions which get stubbed by
include/linux/acpi.h when ACPI support is disabled, so the
IRQ_PIN_ACCESS_ACPI_METHOD handling code must be stubbed out.
For consistency use the same #if condition as which is used to replace
goodix_add_acpi_gpio_mappings with a stub.
Fixes: c5fca485320e ("Input: goodix - add support for controlling the IRQ pin through ACPI methods")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200401014529.GL75430@dtor-ws
[dtor: stubbed out the ACPI method accessors]
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The 'axis + 1' calculation is implicit and potentially error prone.
Moreover, few lines before the axis is set explicitly for both X and Y.
Do the same when retrieving different properties for X and Y.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200303180917.12563-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add support for it by adding compatible and supported chip data
(default settings used).
The chip data on GT9147 is similar to GT912, like
- config data register has 0x8047 address
- config data register max len is 240
- config data checksum has 8-bit
Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/1583144308-3781-3-git-send-email-yannick.fertre@st.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Goodix GT917S is a touchscreen chip from Goodix that is in the GT1x
family.
Add its support by assigning the gt1x config to it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200228010146.12215-4-icenowy@aosc.io
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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For Goodix GT917S chip, the chip ID string is "917S", which contains not
only numbers now.
Use string-based chip ID in the driver to support this chip and further
chips with alphanumber ID.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200228010146.12215-3-icenowy@aosc.io
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some devices with a goodix touchscreen have more then 1 capacitive
touch-key. This commit replaces the current support for a single
touch-key, which ignored the reported key-code. With support for
up to 7 touch-keys, based upon checking the key-code which is
post-fixed to any reported touch-data.
KEY_LEFTMETA is assigned to the first touch-key (it will still be
the default keycode for devices with a single touch-key).
KEY_F1, KEY_F2... are assigned as default keycode for the other
touch-keys.
This commit also add supports for keycode remapping, so that
systemd-udev's hwdb can be used to remap the codes to send
keycodes to match the icons on the buttons for devices with more
then 1 touch-key.
Signed-off-by: Dmitry Mastykin <dmastykin@astralinux.ru>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200316075302.3759-1-dmastykin@astralinux.ru
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The goodix panel sends spurious interrupts after a 'finger up' event,
which always cause a timeout.
We were exiting the interrupt handler by reporting touch_num == 0, but
this was still processed as valid and caused the code to use the
uninitialised point_data, creating spurious key release events.
Report an error from the interrupt handler so as to avoid processing
invalid point_data further.
Signed-off-by: Dmitry Mastykin <dmastykin@astralinux.ru>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200316075302.3759-2-dmastykin@astralinux.ru
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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On some ACPI/x86 devices (where we use one of the ACPI IRQ pin access
methods) the firmware is buggy, it does not properly reset the controller
at boot, and we cannot communicate with it.
Normally on ACPI/x86 devices we do not want to reset the controller at
probe time since in some cases this causes the controller to loose its
configuration and this is loaded into it by the system's firmware.
So on these systems we leave the reset_controller_at_probe flag unset,
even though we have a access to both the IRQ and reset pins and thus
could reset it.
In the case of the buggy firmware we have to reset the controller to
actually be able to talk to it.
This commit adds a special case for this, if the goodix_i2c_test() fails,
and we have not reset the controller yet; and we do have a way to reset
the controller then retry the i2c-test after resetting the controller.
This fixes the driver failing at probe on ACPI/x86 systems with this
firmware bug.
Reported-and-tested-by: Dmitry Mastykin <dmastykin@astralinux.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200311191013.10826-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some devices, e.g the Trekstor Primetab S11B, lose there config over
a suspend/resume cycle (likely the controller loses power during suspend).
This commit reads back the config version on resume and if matches the
expected config version it resets the controller and resends the config
we read back and saved at probe time.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-11-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Make goodix_send_cfg() take a raw buffer as argument instead of a
struct firmware *cfg, so that it can also be used to restore the config
on resume if necessary.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-10-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Our goodix_check_cfg_* helpers do things like:
int i, raw_cfg_len = cfg->size - 2;
...
if (check_sum != cfg->data[raw_cfg_len]) {
When cfg->size < 2, this will end up indexing the cfg->data array with
a negative value, which will not end well.
To fix this this commit adds a new GOODIX_CONFIG_MIN_LENGTH define and
adds a minimum size check for firmware-config files using this new define.
For consistency this commit also adds a new GOODIX_CONFIG_GT9X_LENGTH for
the length used for recent gt9xx and gt1xxx chips, instead of using
GOODIX_CONFIG_MAX_LENGTH for this, so that if other length defines get
added in the future it will be clear that the MIN and MAX defines should
contain the min and max values of all the other defines.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200307121505.3707-9-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Save a copy of the config in goodix_read_config(), this is a preparation
patch for restoring the config if it was lost after a supend/resume cycle.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-8-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Move the defines to above the struct goodix_ts_data declaration, so
that the MAX defines can be used inside the struct goodix_ts_data
declaration. No functional changes, just moving a block of code.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-7-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some Apollo Lake (x86, UEFI + ACPI) devices only list the reset GPIO
in their _CRS table and the bit-banging of the IRQ line necessary to
wake-up the controller from suspend can be done by calling 2 Goodix
custom / specific ACPI methods.
This commit adds support for controlling the IRQ line in this matter,
allowing us to properly suspend the touchscreen controller on such
devices.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-6-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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On most Bay Trail (x86, UEFI + ACPI) devices the ACPI tables do not have
a _DSD with a "daffd814-6eba-4d8c-8a91-bc9bbf4aa301" UUID, adding
"irq-gpios" and "reset-gpios" mappings, so we cannot get the GPIOS by name
without first manually adding mappings ourselves.
These devices contain 2 GpioIo resource in their _CRS table, on all 4 such
devices which I have access to, the order of the 2 GPIOs is reset, int.
Note that the GPIO to which the touchscreen controller irq pin is connected
is configured in direct-irq mode on these Bay Trail devices, the
pinctrl-baytrail.c driver still allows controlling the pin as a GPIO in
this case, but this is not necessarily the case on other X86 ACPI
platforms, nor do we have a guarantee that the GPIO order is the same
elsewhere, so we limit the use of a _CRS table with 2 GpioIo resources
to Bay Trail devices only.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-5-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devices
On most Cherry Trail (x86, UEFI + ACPI) devices the ACPI tables do not have
a _DSD with a "daffd814-6eba-4d8c-8a91-bc9bbf4aa301" UUID, adding
"irq-gpios" and "reset-gpios" mappings, so we cannot get the GPIOS by name
without first manually adding mappings ourselves.
These devices contain 1 GpioInt and 1 GpioIo resource in their _CRS table:
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
Name (RBUF, ResourceTemplate ()
{
I2cSerialBusV2 (0x0014, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\_SB.PCI0.I2C2",
0x00, ResourceConsumer, , Exclusive,
)
GpioInt (Edge, ActiveLow, Shared, PullDefault, 0x0000,
"\\_SB.GPO1", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x0013
}
GpioIo (Shared, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly,
"\\_SB.GPO1", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x0019
}
})
Return (RBUF) /* \_SB_.PCI0.I2C2.TCS1._CRS.RBUF */
}
There is no fixed order for these 2. This commit adds code to check that
there is 1 of each as expected and then registers a mapping matching their
order using devm_acpi_dev_add_driver_gpios().
This gives us access to both GPIOs allowing us to properly suspend the
controller during suspend, and making it possible to reset the controller
if necessary.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200307121505.3707-4-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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GPIO setup
Before this commit we would always reset the controller at probe when we
have access to the GPIOs which are necessary to do a reset.
Doing the reset requires access to the GPIOs, but just because we have
access to the GPIOs does not mean that we should always reset the
controller at probe. On X86 ACPI platforms the BIOS / UEFI firmware will
already have reset the controller and it will have loaded the device
specific config into the controller. Doing the reset sometimes causes the
controller to lose its configuration, so on X86 ACPI platforms this is not
a good idea.
This commit adds a new reset_controller_at_probe boolean to control the
reset at probe behavior.
This commits sets the new bool to true when we set irq_pin_access_method
to IRQ_PIN_ACCESS_GPIO, so there are no functional changes.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-3-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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setup
At least on X86 ACPI platforms it is not necessary to load the touchscreen
controller config from disk, if it needs to be loaded this has already been
done by the BIOS / UEFI firmware.
Even on other (e.g. devicetree) platforms the config-loading as currently
done has the issue that the loaded cfg file is based on the controller
model, but the actual cfg is device specific, so the cfg files are not
part of linux-firmware and this can only work with a device specific OS
image which includes the cfg file.
And we do not need access to the GPIOs at all to load the config, if we
do not have access we can still load the config.
So all in all tying the decision to try to load the config from disk to
being able to access the GPIOs is not desirable. This commit adds a new
load_cfg_from_disk boolean to control the firmware loading instead.
This commits sets the new bool to true when we set irq_pin_access_method
to IRQ_PIN_ACCESS_GPIO, so there are no functional changes.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200307121505.3707-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Suspending Goodix touchscreens requires changing the interrupt pin to
output before sending them a power-down command. Followed by wiggling
the interrupt pin to wake the device up, after which it is put back
in input mode.
So far we have only effectively supported this on devices which use
devicetree. On X86 ACPI platforms both looking up the pins; and using a
pin as both IRQ and GPIO is a bit more complicated. E.g. on some devices
we cannot directly access the IRQ pin as GPIO and we need to call ACPI
methods to control it instead.
This commit adds a new irq_pin_access_method field to the goodix_chip_data
struct and adds goodix_irq_direction_output and goodix_irq_direction_input
helpers which together abstract the GPIO accesses to the IRQ pin.
This is a preparation patch for adding support for properly suspending the
touchscreen on X86 ACPI platforms.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1786317
BugLink: https://github.com/nexus511/gpd-ubuntu-packages/issues/10
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199207
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200307121505.3707-1-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch supports reporting resolution for ABS_MT_TOUCH_MAJOR event.
This information is needed in showing pressure/width radius.
Signed-off-by: Johnny Chuang <johnny.chuang@emc.com.tw>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/1582766000-23023-1-git-send-email-johnny.chuang.emc@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The touchscreen on the Cube I15-TC don't match the default display,
with 0,0 touches being reported when touching at the top-right of
the screen.
Add a quirk to invert the x coordinate.
Reported-and-tested-by: Arkadiy <arkan49@yandex.ru>
Signed-off-by: Sergei A. Trusov <sergei.a.trusov@ya.ru>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Convert tsens configuration DT binding to yaml (Rajeshwari)
- Add interrupt support on the rcar sensor (Niklas Söderlund)
- Add a new Spreadtrum thermal driver (Baolin Wang)
- Add thermal binding for the fsl scu board, a new API to retrieve the
sensor id bound to the thermal zone and i.MX system controller sensor
(Anson Huang))
- Remove warning log when a deferred probe is requested on Exynos
(Marek Szyprowski)
- Add the thermal monitoring unit support for imx8mm with its DT
bindings (Anson Huang)
- Rephrase the Kconfig text for clarity (Linus Walleij)
- Use the gpio descriptor for the ti-soc-thermal (Linus Walleij)
- Align msg structure to 4 bytes for i.MX SC, fix the Kconfig
dependency, add the __may_be unused annotation for PM functions and
the COMPILE_TEST option for imx8mm (Anson Huang)
- Fix a dependency on regmap in Kconfig for qoriq (Yuantian Tang)
- Add DT binding and support for the rcar gen3 r8a77961 and improve the
error path on the rcar init function (Niklas Söderlund)
- Cleanup and improvements for the tsens Qcom sensor (Amit Kucheria)
- Improve code by removing lock and caching values in the rcar thermal
sensor (Niklas Söderlund)
- Cleanup in the qoriq drivers and add a call to
imx_thermal_unregister_legacy_cooling in the removal function (Anson
Huang)
- Remove redundant 'maxItems' in tsens and sprd DT bindings (Rob
Herring)
- Change the thermal DT bindings by making the cooling-maps optional
(Yuantian Tang)
- Add Tiger Lake support (Sumeet Pawnikar)
- Use scnprintf() for avoiding potential buffer overflow (Takashi Iwai)
- Make pkg_temp_lock a raw_spinlock_t(Clark Williams)
- Fix incorrect data types by changing them to signed on i.MX SC (Anson
Huang)
- Replace zero-length array with flexible-array member (Gustavo A. R.
Silva)
- Add support for i.MX8MP in the driver and in the DT bindings (Anson
Huang)
- Fix return value of the cpufreq_set_cur_state() function (Willy
Wolff)
- Remove abusing and scary WARN_ON in the cpufreq cooling device
(Daniel Lezcano)
- Fix build warning of incorrect argument type reported by sparse on
imx8mm (Anson Huang)
- Fix stub for the devfreq cooling device (Martin Blumenstingl)
- Fix cpu idle cooling documentation (Sergey Vidishev)
* tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (52 commits)
Documentation: cpu-idle-cooling: Fix diagram for 33% duty cycle
thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n
thermal: imx8mm: Fix build warning of incorrect argument type
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state
thermal: imx8mm: Add i.MX8MP support
dt-bindings: thermal: imx8mm-thermal: Add support for i.MX8MP
thermal: qcom: tsens.h: Replace zero-length array with flexible-array member
thermal: imx_sc_thermal: Fix incorrect data type
thermal: int340x_thermal: Use scnprintf() for avoiding potential buffer overflow
thermal: int340x: processor_thermal: Add Tiger Lake support
thermal/x86_pkg_temp: Make pkg_temp_lock a raw_spinlock_t
dt-bindings: thermal: make cooling-maps property optional
dt-bindings: thermal: qcom-tsens: Remove redundant 'maxItems'
dt-bindings: thermal: sprd: Remove redundant 'maxItems'
thermal: imx: Calling imx_thermal_unregister_legacy_cooling() in .remove
thermal: qoriq: Sort includes alphabetically
thermal: qoriq: Use devm_add_action_or_reset() to handle all cleanups
thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp()
thermal: rcar_thermal: Do not store ctemp in rcar_thermal_priv
...
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Fix below sparse warning:
drivers/thermal/imx8mm_thermal.c:82:36: sparse: sparse: incorrect type in argument 2 (different address spaces), expected unsigned long const volatile *addr
drivers/thermal/imx8mm_thermal.c:82:36: sparse: expected unsigned long const volatile *addr
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1584973156-25734-1-git-send-email-Anson.Huang@nxp.com
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The WARN_ON macros are used at the entry functions state2power() and
set_cur_state().
state2power() is called with the max_state retrieved from
get_max_state which returns cpufreq_cdev->max_level, then it check if
max_state is > cpufreq_cdev->max_level. The test does not really makes
sense but let's assume we want to make sure to catch an error if the
code evolves. However the WARN_ON is overkill.
set_cur_state() is also called from userspace if we write to the
sysfs. It is easy to see a stack dumped by just writing to sysfs
/sys/class/thermal/cooling_device0/cur_state a value greater than
"max_level". A bit scary. Returing -EINVAL is enough.
Remove these WARN_ON.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20200321193107.21590-1-daniel.lezcano@linaro.org
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When setting the cooling device current state from userspace via sysfs,
the operation fails by returning an -EINVAL.
It appears the recent changes with the per-policy frequency QoS
introduced a regression as reported by:
https://lkml.org/lkml/2020/3/20/599
The function freq_qos_update_request returns 0 or 1 describing update
effectiveness, and a negative error code on failure. However,
cpufreq_set_cur_state returns 0 on success or an error code otherwise.
Consider the QoS update as successful if the function does not return
an error.
Fixes: 3000ce3c52f8b ("cpufreq: Use per-policy frequency QoS")
Signed-off-by: Willy Wolff <willy.mh.wolff.ml@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200321092740.7vvwfxsebcrznydh@macmini.local
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i.MX8MP shares same TMU with i.MX8MM, the only difference is i.MX8MP
has two thermal sensors while i.MX8MM ONLY has one, add multiple sensors
support for i.MX8MM TMU driver.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1584674791-9717-2-git-send-email-Anson.Huang@nxp.com
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200319184838.GA25767@embeddedor.com
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The temperature value passed from SCU could be negative value,
the data type should be signed instead of unsigned.
Fixes: e20db70dba1c ("thermal: imx_sc: add i.MX system controller thermal support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1584606380-9972-1-git-send-email-Anson.Huang@nxp.com
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Pandruvada, Srinivas <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200311092718.24052-1-tiwai@suse.de
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Added new PCI id for Tiger Lake processor thermal device along with
MMIO RAPL support.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1583489952-29612-1-git-send-email-sumeet.r.pawnikar@intel.com
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The spinlock pkg_temp_lock has the potential of being taken in atomic
context because it can be acquired from the thermal IRQ vector.
It's static and limited scope so go ahead and make it a raw spinlock.
Signed-off-by: Clark Williams <williams@redhat.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191008110021.2j44ayunal7fkb7i@linutronix.de
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imx_thermal_unregister_legacy_cooling() should be used for handling
legacy cpufreq cooling cleanups in .remove callback instead of
calling cpufreq_cooling_unregister() and cpufreq_cpu_put() directly,
especially for !CONFIG_CPU_FREQ scenario, no operation needed for
handling legacy cpufreq cooling cleanups at all.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1584088094-24857-1-git-send-email-Anson.Huang@nxp.com
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Sort includes alphabetically for consistency, and take this chance
to remove unused include of of_address.h.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1583903252-2058-2-git-send-email-Anson.Huang@nxp.com
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Use devm_add_action_or_reset() to handle all cleanups of failure in
.probe and .remove, then .remove callback can be dropped.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1583903252-2058-1-git-send-email-Anson.Huang@nxp.com
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With the ctemp value returned instead of cached in the private data
structure their is no need to take the lock when translating ctemp into
a temperature.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200310170029.1648996-4-niklas.soderlund+renesas@ragnatech.se
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There is no need to cache the ctemp value in the private data structure
as it's always prefetched before it's used. Remove it from the structure
and have rcar_thermal_update_temp return the value instead of storing
it.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200310170029.1648996-3-niklas.soderlund+renesas@ragnatech.se
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Since commit a1ade5653804b8eb ("thermal: rcar: check every
rcar_thermal_update_temp() return value") the temperature is always read
in rcar_thermal_get_current_temp() so comparing it before and after
enabling interrupts have little effect. Remove the check and always
update the thermal zone when we get an interrupt that the temperature
have changed.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200310170029.1648996-2-niklas.soderlund+renesas@ragnatech.se
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IRQF_TRIGGER_HIGH is already specified through devicetree interrupts
property. Remove it from code.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/8ac92e45b65fe411f4aaf70dcde4e7e7c3169b2d.1584015867.git.amit.kucheria@linaro.org
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Document ul_lock, threshold and control structure members and make
the following kernel-doc invocation happy:
$ scripts/kernel-doc -v -none drivers/thermal/qcom/*
drivers/thermal/qcom/qcom-spmi-temp-alarm.c:105: info: Scanning doc for qpnp_tm_get_temp_stage
drivers/thermal/qcom/tsens-common.c:18: info: Scanning doc for struct tsens_irq_data
drivers/thermal/qcom/tsens-common.c:130: info: Scanning doc for tsens_hw_to_mC
drivers/thermal/qcom/tsens-common.c:163: info: Scanning doc for tsens_mC_to_hw
drivers/thermal/qcom/tsens-common.c:245: info: Scanning doc for tsens_set_interrupt
drivers/thermal/qcom/tsens-common.c:268: info: Scanning doc for tsens_threshold_violated
drivers/thermal/qcom/tsens-common.c:362: info: Scanning doc for tsens_critical_irq_thread
drivers/thermal/qcom/tsens-common.c:438: info: Scanning doc for tsens_irq_thread
drivers/thermal/qcom/tsens.h:41: info: Scanning doc for struct tsens_sensor
drivers/thermal/qcom/tsens.h:59: info: Scanning doc for struct tsens_ops
drivers/thermal/qcom/tsens.h:494: info: Scanning doc for struct tsens_features
drivers/thermal/qcom/tsens.h:513: info: Scanning doc for struct tsens_plat_data
drivers/thermal/qcom/tsens.h:529: info: Scanning doc for struct tsens_context
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/7ea9c9ead90a91205a3f1717c0c86db9a51780ce.1584015867.git.amit.kucheria@linaro.org
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TSENS IP v2.3 onwards adds support for a watchdog to detect if the TSENS
HW FSM is stuck. Add support to detect and restart the FSM in the
driver. The watchdog is configured by the bootloader, we just enable the
watchdog bark as a debug feature in the kernel.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/a314747664a065db592ad77da7beae68128a5b6e.1584015867.git.amit.kucheria@linaro.org
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