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The ARM w90x900 platform is getting removed, so this driver is obsolete.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The ARM w90x900 platform is getting removed, so this driver is obsolete.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This should be 'synaptics', not 'synpatics'
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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A few vendor specific bindings are now covered by common bindings.
Let the driver parse the common bindings to make use of common
inverting and swapping mechnism. Aslo make use of
touchscreen_report_pos() to ensure the correct inverting-swapping
order.
The vendor specific properties are used as default (backward
compatibility) and gets overwritten by common bindings.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Power and volume button support for 5th and 6th generation Microsoft
Surface devices via soc_button_array.
Note that these devices use the same MSHW0040 device as on the Surface
Pro 4, however the implementation is different (GPIOs vs. ACPI
notifications). Thus some checking is required to ensure we only load
this driver on the correct devices.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Do not use the surfacepro3_button driver on newer Microsoft Surface
models, only use it on the Surface Pro 3 and 4. Newer models (5th, 6th
and possibly future generations) use the same device as the Surface Pro
4 to represent their volume and power buttons (MSHW0040), but their
actual implementation is significantly different. This patch ensures
that the surfacepro3_button driver is only used on the Pro 3 and 4
models, allowing a different driver to bind on other models.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Currently, evdev stamps events with timestamps acquired in evdev_events()
However, this timestamping may not be accurate in terms of measuring
when the actual event happened.
Let's allow individual drivers specify timestamp in order to provide a more
accurate sense of time for the event. It is expected that drivers will set the
timestamp in their hard interrupt routine.
Signed-off-by: Atif Niyaz <atifniyaz@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of installing custom devm cleanup action to remove attribute
groups on failure, let's use the dedicated devm API.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of manually disabling regulators when devm_add_action() fails we can
use devm_add_action_or_reset() which does it for us.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of installing custom devm cleanup action to remove attribute
groups on failure, let's use the dedicated devm API.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The function rmi_2d_sensor_set_input_params is declared static and marked
EXPORT_SYMBOL_GPL, which is at best an odd combination. Because the
function is not used outside of the drivers/input/rmi4/rmi_2d_sensor.c
file it is defined in, this commit removes the EXPORT_SYMBOL_GPL() marking.
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch adds support for the FlySky FS-iA6B RC receiver (serial IBUS).
It allows the usage of the FlySky FS-i6 and other AFHDS compliant remote
controls as a joystick input device.
To use it, a patch to inputattach which adds the FS-iA6B as a 115200 baud
serial device is required. I will upstream it after this patch is merged.
More information about the hardware can be found here:
https://notsyncing.net/?p=blog&b=2018.linux-fsia6b
Signed-off-by: Markus Koch <markus@notsyncing.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In the function alps_is_cs19_trackpoint(), we check if the param[1] is
in the 0x20~0x2f range, but the code we wrote for this checking is not
correct:
(param[1] & 0x20) does not mean param[1] is in the range of 0x20~0x2f,
it also means the param[1] is in the range of 0x30~0x3f, 0x60~0x6f...
Now fix it with a new condition checking ((param[1] & 0xf0) == 0x20).
Fixes: 7e4935ccc323 ("Input: alps - don't handle ALPS cs19 trackpoint-only device")
Cc: stable@vger.kernel.org
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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trackpoint_detect() should be static inline while
CONFIG_MOUSE_PS2_TRACKPOINT is not set, otherwise, we build fails:
drivers/input/mouse/alps.o: In function `trackpoint_detect':
alps.c:(.text+0x8e00): multiple definition of `trackpoint_detect'
drivers/input/mouse/psmouse-base.o:psmouse-base.c:(.text+0x1b50): first defined here
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 55e3d9224b60 ("Input: psmouse - allow disabing certain protocol extensions")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/input/keyboard/applespi.c: In function applespi_set_bl_level:
drivers/input/keyboard/applespi.c:902:6: warning: variable sts set but not used [-Wunused-but-set-variable]
Fixes: b426ac0452093d ("Input: add Apple SPI keyboard and trackpad driver")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The keyboard and trackpad on recent MacBook's (since 8,1) and
MacBookPro's (13,* and 14,*) are attached to an SPI controller instead
of USB, as previously. The higher level protocol is not publicly
documented and hence has been reverse engineered. As a consequence there
are still a number of unknown fields and commands. However, the known
parts have been working well and received extensive testing and use.
In order for this driver to work, the proper SPI drivers need to be
loaded too; for MB8,1 these are spi_pxa2xx_platform and spi_pxa2xx_pci;
for all others they are spi_pxa2xx_platform and intel_lpss_pci.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=99891
Link: https://bugzilla.kernel.org/show_bug.cgi?id=108331
Signed-off-by: Ronald Tschalär <ronald@innovation.ch>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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On a latest Lenovo laptop, the trackpoint and 3 buttons below it
don't work at all, when we move the trackpoint or press those 3
buttons, the kernel will print out:
"Rejected trackstick packet from non DualPoint device"
This device is identified as an alps touchpad but the packet has
trackpoint format, so the alps.c drops the packet and prints out
the message above.
According to XiaoXiao's explanation, this device is named cs19 and
is trackpoint-only device, its firmware is only for trackpoint, it
is independent of touchpad and is a device completely different from
DualPoint ones.
To drive this device with mininal changes to the existing driver, we
just let the alps driver not handle this device, then the trackpoint.c
will be the driver of this device if the trackpoint driver is enabled.
(if not, this device will fallback to a bare PS/2 device)
With the trackpoint.c, this trackpoint and 3 buttons all work well,
they have all features that the trackpoint should have, like
scrolling-screen, drag-and-drop and frame-selection.
Signed-off-by: XiaoXiao Liu <sliuuxiaonxiao@gmail.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Define the ring buffer size as a constant expression because it should
not depend on the guest page size.
Signed-off-by: Maya Nakamura <m.maya.nakamura@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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While not strictly required for normal operation setting the GPIO parent
device allows the GPIO framework to generate more verbose debug output for
the GPIO chip.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Those are remnants of the SPDX identifier migration, which haven't been
removed properly.
Signed-off-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Sync up with mainline to resolve conflicts in iforce driver.
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Probable cut&paste typo - use the correct field size.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_add_action_or_reset() is introduced as a helper function which
internally calls devm_add_action(). If devm_add_action() fails
then it will execute the action mentioned and return the error code.
This reduce source code size (avoid writing the action twice)
and reduce the likelyhood of bugs.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The GTCO tablet input driver configures itself from an HID report sent
via USB during the initial enumeration process. Some debugging messages
are generated during the parsing. A debugging message indentation
counter is not bounds checked, leading to the ability for a specially
crafted HID report to cause '-' and null bytes be written past the end
of the indentation array. As long as the kernel has CONFIG_DYNAMIC_DEBUG
enabled, this code will not be optimized out. This was discovered
during code review after a previous syzkaller bug was found in this
driver.
Signed-off-by: Grant Hernandez <granthernandez@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Each iteration of for_each_child_of_node puts the previous
node, but in the case of a return from the middle of the loop, there is
no put, thus causing a memory leak. Hence add an of_node_put before the
return in three places.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Each iteration of for_each_child_of_node puts the previous
node, but in the case of a return from the middle of the loop, there is
no put, thus causing a memory leak. Hence add an of_node_put before the
return in three places.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Adds the Lenovo T580 to the SMBus intertouch list for Synaptics
touchpads. I've tested with this for a week now, and it seems a great
improvement. It's also nice to have the complaint gone from dmesg.
Signed-off-by: Nick Black <dankamongmen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of hardcoding the input name to the driver name
('gpio-keys-polled'), allow specifying the name of the device via
"label" property. If the property is not present (nor name is set in
board-supplied platform data), we'll default to the old name.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull dmaengine fixes from Vinod Koul:
- bam_dma fix for completed descriptor count
- fix for imx-sdma remove BD_INTR for channel0 and use-after-free on
probe error path
- endian bug fix in jz4780 IRQ handler
* tag 'dmaengine-fix-5.2' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: qcom: bam_dma: Fix completed descriptors count
dmaengine: imx-sdma: remove BD_INTR for channel0
dmaengine: imx-sdma: fix use-after-free on probe error path
dmaengine: jz4780: Fix an endian bug in IRQ handler
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two iscsi fixes.
One for an oops in the client which can be triggered by the server
authentication protocol and the other in the target code which causes
data corruption"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: iscsi: set auth_protocol back to NULL if CHAP_A value is not supported
scsi: target/iblock: Fix overrun in WRITE SAME emulation
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtf fixes from Miquel Raynal:
- Fix the memory organization structure of a Macronix SPI-NAND chip.
- Fix a build dependency wrongly described.
- Fix the sunxi NAND driver for A23/A33 SoCs by (a) reverting the
faulty commit introducing broken DMA support and (b) applying another
commit bringing working DMA support.
* tag 'mtd/fixes-for-5.2-final' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: sunxi: Add A23/A33 DMA support with extra MBUS configuration
Revert "mtd: rawnand: sunxi: Add A23/A33 DMA support"
mtd: rawnand: ingenic: Fix ingenic_ecc dependency
mtd: spinand: Fix max_bad_eraseblocks_per_lun info in memorg
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Allwinner NAND controllers can make use of DMA to enhance the I/O
throughput thanks to ECC pipelining. DMA handling with A23/A33 NAND IP
is a bit different than with the older SoCs, hence the introduction of
a new compatible to handle:
* the differences between register offsets,
* the burst length change from 4 to minimum 8,
* manage SRAM accesses through MBUS with extra configuration.
Fixes: c49836f05aa1 ("mtd: rawnand: sunxi: Add A23/A33 DMA support")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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This reverts commit c49836f05aa15282f7280e06ede3f6f8a6324833.
The commit is wrong and its approach actually does not work. Let's
revert it in order to add the feature with a clean patch.
Fixes: c49836f05aa1 ("mtd: rawnand: sunxi: Add A23/A33 DMA support")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Now that input_mt_report_slot_state() returns true if slot is active we no
longer need a temporary for the slot state.
Tested-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Define a MODULE_ALIAS() in the input sub-driver for max77650 so that
the appropriate module gets loaded together with the core mfd driver.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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One space is left unused in circular FIFO to differentiate
'full' and 'empty' cases. So take that in to account while
counting for the descriptors completed.
Fixes the issue reported here,
https://lkml.org/lkml/2019/6/18/669
Cc: stable@vger.kernel.org
Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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It is possible for an irq triggered by channel0 to be received later
after clks are disabled once firmware loaded during sdma probe. If
that happens then clearing them by writing to SDMA_H_INTR won't work
and the kernel will hang processing infinite interrupts. Actually,
don't need interrupt triggered on channel0 since it's pollling
SDMA_H_STATSTOP to know channel0 done rather than interrupt in
current code, just clear BD_INTR to disable channel0 interrupt to
avoid the above case.
This issue was brought by commit 1d069bfa3c78 ("dmaengine: imx-sdma:
ack channel 0 IRQ in the interrupt handler") which didn't take care
the above case.
Fixes: 1d069bfa3c78 ("dmaengine: imx-sdma: ack channel 0 IRQ in the interrupt handler")
Cc: stable@vger.kernel.org #5.0+
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reported-by: Sven Van Asbroeck <thesven73@gmail.com>
Tested-by: Sven Van Asbroeck <thesven73@gmail.com>
Reviewed-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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If probe() fails anywhere beyond the point where
sdma_get_firmware() is called, then a kernel oops may occur.
Problematic sequence of events:
1. probe() calls sdma_get_firmware(), which schedules the
firmware callback to run when firmware becomes available,
using the sdma instance structure as the context
2. probe() encounters an error, which deallocates the
sdma instance structure
3. firmware becomes available, firmware callback is
called with deallocated sdma instance structure
4. use after free - kernel oops !
Solution: only attempt to load firmware when we're certain
that probe() will succeed. This guarantees that the firmware
callback's context will remain valid.
Note that the remove() path is unaffected by this issue: the
firmware loader will increment the driver module's use count,
ensuring that the module cannot be unloaded while the
firmware callback is pending or running.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Reviewed-by: Robin Gong <yibin.gong@nxp.com>
[vkoul: fixed braces for if condition]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The "pending" variable was a u32 but we cast it to an unsigned long
pointer when we do the for_each_set_bit() loop. The problem is that on
big endian 64bit systems that results in an out of bounds read.
Fixes: 4e4106f5e942 ("dmaengine: jz4780: Fix transfers being ACKed too soon")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Pull drm fixes from Dave Airlie:
"I skipped last week because there wasn't much worth doing, this week
got a few more fixes in.
amdgpu:
- default register value change
- runpm regression fix
- fan control fix
i915:
- fix Ironlake regression
panfrost:
- fix a double free
virtio:
- fix a locking bug
imx:
- crtc disable fixes"
* tag 'drm-fixes-2019-07-05-1' of git://anongit.freedesktop.org/drm/drm:
drm/imx: only send event on crtc disable if kept disabled
drm/imx: notify drm core before sending event during crtc disable
drm/i915/ringbuffer: EMIT_INVALIDATE *before* switch context
drm/amdgpu/gfx9: use reset default for PA_SC_FIFO_SIZE
drm/amdgpu: Don't skip display settings in hwmgr_resume()
drm/amd/powerplay: use hardware fan control if no powerplay fan table
drm/panfrost: Fix a double-free error
drm/etnaviv: add missing failure path to destroy suballoc
drm/virtio: move drm_connector_update_edid_property() call
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git://git.pengutronix.de/git/pza/linux into drm-fixes
drm/imx: fix stale vblank timestamp after a modeset
This series fixes stale vblank timestamps in the first event sent after
a crtc was disabled. The core now is notified via drm_crtc_vblank_off
before sending the last pending event in atomic_disable. If the crtc is
reenabled right away during to a modeset, the event is not sent at all,
as the next vblank will take care of it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1562237119.6641.16.camel@pengutronix.de
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"Likely our final small batch of fixes for 5.2:
- Some fixes for USB on davinci, regressions were due to the recent
conversion of the OCHI driver to use GPIO regulators
- A fixup of kconfig dependencies for a TI irq controller
- A switch of armada-38x to avoid dropped characters on uart, caused
by switch of base inherited platform description earlier this year"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: davinci: da830-evm: fix GPIO lookup for OHCI
ARM: davinci: omapl138-hawk: add missing regulator constraints for OHCI
ARM: davinci: da830-evm: add missing regulator constraints for OHCI
soc: ti: fix irq-ti-sci link error
ARM: dts: armada-xp-98dx3236: Switch to armada-38x-uart serial node
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The event will be sent as part of the vblank enable during the modeset
if the crtc is not being kept disabled.
Fixes: 5f2f911578fb ("drm/imx: atomic phase 3 step 1: Use atomic configuration")
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Notify drm core before sending pending events during crtc disable.
This fixes the first event after disable having an old stale timestamp
by having drm_crtc_vblank_off update the timestamp to now.
This was seen while debugging weston log message:
Warning: computed repaint delay is insane: -8212 msec
This occurred due to:
1. driver starts up
2. fbcon comes along and restores fbdev, enabling vblank
3. vblank_disable_fn fires via timer disabling vblank, keeping vblank
seq number and time set at current value
(some time later)
4. weston starts and does a modeset
5. atomic commit disables crtc while it does the modeset
6. ipu_crtc_atomic_disable sends vblank with old seq number and time
Fixes: a474478642d5 ("drm/imx: fix crtc vblank state regression")
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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into drm-fixes
Fix a kernel nullptr deref on module
unload when any etnaviv GPU failed to initialize properly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1561974148.2321.1.camel@pengutronix.de
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
panfrost- Avoid double free by deleting GEM handle in create_bo failure
path (Boris)
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190704001302.GA260390@art_vandelay
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