Age | Commit message (Collapse) | Author |
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.5 kernel cycle
Core changes:
- Expose pull up/down flags for the GPIO character device to
userspace.
After clear input from the RaspberryPi and Beagle communities, it
has been established that prototyping, industrial automation and
make communities strongly need this feature, and as we want people
to use the character device, we have implemented the simple pull
up/down interface for GPIO lines.
This means we can specify that a (chip-specific) pull up/down
resistor can be enabled, but does not offer fine-grained control
such as cases where the resistance of the same pull resistor can be
controlled (yet).
- Introduce devm_fwnode_gpiod_get_index() and start to phase out the
old symbol devm_fwnode_get_index_gpiod_from_child().
- A bit of documentation clean-up work.
- Introduce a define for GPIO line directions and deploy it in all
GPIO drivers in the drivers/gpio directory.
- Add a special callback to populate pin ranges when cooperating with
the pin control subsystem and registering ranges as part of adding
a gpiolib driver and a gpio_irq_chip driver at the same time. This
is also deployed in the Intel Merrifield driver.
New drivers:
- RDA Micro GPIO controller.
- XGS-iproc GPIO driver.
Driver improvements:
- Wake event and debounce support on the Tegra 186 driver.
- Finalize the Aspeed SGPIO driver.
- MPC8xxx uses a normal IRQ handler rather than a chained handler"
* tag 'gpio-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (64 commits)
gpio: Add TODO item for regmap helper
Documentation: gpio: driver.rst: Fix warnings
gpio: of: Fix bogus reference to gpiod_get_count()
gpiolib: Grammar s/manager/managed/
gpio: lynxpoint: Setup correct IRQ handlers
MAINTAINERS: Replace my email by one @kernel.org
gpiolib: acpi: Make acpi_gpiochip_alloc_event always return AE_OK
gpio/mpc8xxx: fix qoriq GPIO reading
gpio: mpc8xxx: Don't overwrite default irq_set_type callback
gpiolib: acpi: Print pin number on acpi_gpiochip_alloc_event errors
gpiolib: fix coding style in gpiod_hog()
drm/bridge: ti-tfp410: switch to using fwnode_gpiod_get_index()
gpio: merrifield: Pass irqchip when adding gpiochip
gpio: merrifield: Add GPIO <-> pin mapping ranges via callback
gpiolib: Introduce ->add_pin_ranges() callback
gpio: mmio: remove untrue leftover comment
gpio: em: Use platform_get_irq() to obtain interrupts
gpio: tegra186: Add debounce support
gpio: tegra186: Program interrupt route mapping
gpio: tegra186: Derive register offsets from bank/port
...
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Instead of fwnode_get_named_gpiod() that I plan to hide away, let's use
the new fwnode_gpiod_get_index() that mimics gpiod_get_index(), but
works with arbitrary firmware node.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We are about to add a drm_bridge_state that inherits from
drm_private_state which is defined in drm_atomic.h. Problem is,
drm_atomic.h includes drm_crtc.h which in turn includes drm_bridge.h,
leading to "drm_private_state has incomplete type" error.
Let's force all users of the drm_bridge API to explicitly include
drm_bridge.h.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190826152649.13820-2-boris.brezillon@collabora.com
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Use the ddc pointer provided by the generic connector.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3b61da77a6456805db0deffe6d1a2343dd784730.1564161140.git.andrzej.p@collabora.com
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Pull drm updates from Dave Airlie:
"The biggest thing in this is the AMD Navi GPU support, this again
contains a bunch of header files that are large. These are the new AMD
RX5700 GPUs that just recently became available.
New drivers:
- ST-Ericsson MCDE driver
- Ingenic JZ47xx SoC
UAPI change:
- HDR source metadata property
Core:
- HDR inforframes and EDID parsing
- drm hdmi infoframe unpacking
- remove prime sg_table caching into dma-buf
- New gem vram helpers to reduce driver code
- Lots of drmP.h removal
- reservation fencing fix
- documentation updates
- drm_fb_helper_connector removed
- mode name command handler rewrite
fbcon:
- Remove the fbcon notifiers
ttm:
- forward progress fixes
dma-buf:
- make mmap call optional
- debugfs refcount fixes
- dma-fence free with pending signals fix
- each dma-buf gets an inode
Panels:
- Lots of additional panel bindings
amdgpu:
- initial navi10 support
- avoid hw reset
- HDR metadata support
- new thermal sensors for vega asics
- RAS fixes
- use HMM rather than MMU notifier
- xgmi topology via kfd
- SR-IOV fixes
- driver reload fixes
- DC use a core bpc attribute
- Aux fixes for DC
- Bandwidth calc updates for DC
- Clock handling refactor
- kfd VEGAM support
vmwgfx:
- Coherent memory support changes
i915:
- HDR Support
- HDMI i2c link
- Icelake multi-segmented gamma support
- GuC firmware update
- Mule Creek Canyon PCH support for EHL
- EHL platform updtes
- move i915.alpha_support to i915.force_probe
- runtime PM refactoring
- VBT parsing refactoring
- DSI fixes
- struct mutex dependency reduction
- GEM code reorg
mali-dp:
- Komeda driver features
msm:
- dsi vs EPROBE_DEFER fixes
- msm8998 snapdragon 835 support
- a540 gpu support
- mdp5 and dpu interconnect support
exynos:
- drmP.h removal
tegra:
- misc fixes
tda998x:
- audio support improvements
- pixel repeated mode support
- quantisation range handling corrections
- HDMI vendor info fix
armada:
- interlace support fix
- overlay/video plane register handling refactor
- add gamma support
rockchip:
- RX3328 support
panfrost:
- expose perf counters via hidden ioctls
vkms:
- enumerate CRC sources list
ast:
- rework BO handling
mgag200:
- rework BO handling
dw-hdmi:
- suspend/resume support
rcar-du:
- R8A774A1 Soc Support
- LVDS dual-link mode support
- Additional formats
- Misc fixes
omapdrm:
- DSI command mode display support
stm
- fb modifier support
- runtime PM support
sun4i:
- use vmap ops
vc4:
- binner bo binding rework
v3d:
- compute shader support
- resync/sync fixes
- job management refactoring
lima:
- NULL pointer in irq handler fix
- scheduler default timeout
virtio:
- fence seqno support
- trace events
bochs:
- misc fixes
tc458767:
- IRQ/HDP handling
sii902x:
- HDMI audio support
atmel-hlcdc:
- misc fixes
meson:
- zpos support"
* tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm: (1815 commits)
Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next"
Revert "mm: adjust apply_to_pfn_range interface for dropped token."
mm: adjust apply_to_pfn_range interface for dropped token.
drm/amdgpu/navi10: add uclk activity sensor
drm/amdgpu: properly guard the generic discovery code
drm/amdgpu: add missing documentation on new module parameters
drm/amdgpu: don't invalidate caches in RELEASE_MEM, only do the writeback
drm/amd/display: avoid 64-bit division
drm/amdgpu/psp11: simplify the ucode register logic
drm/amdgpu: properly guard DC support in navi code
drm/amd/powerplay: vega20: fix uninitialized variable use
drm/amd/display: dcn20: include linux/delay.h
amdgpu: make pmu support optional
drm/amd/powerplay: Zero initialize current_rpm in vega20_get_fan_speed_percent
drm/amd/powerplay: Zero initialize freq in smu_v11_0_get_current_clk_freq
drm/amd/powerplay: Use memset to initialize metrics structs
drm/amdgpu/mes10.1: Fix header guard
drm/amd/powerplay: add temperature sensor support for navi10
drm/amdgpu: fix scheduler timeout calc
drm/amdgpu: Prepare for hmm_range_register API change (v2)
...
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Some fixes have been accidentally pushed to this, so I cannot fost-forward.
Required to pull in the remove-fbcon-notifiers fixes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We use delayed_work in HPD handling, and cancel any scheduled work in
tfp410_fini using cancel_delayed_work_sync(). However, we have only
initialized the delayed work if we actually have a HPD interrupt
configured in the DT, but in the tfp410_fini, we always cancel the work,
possibly causing a WARN().
Fix this by doing the cancel only if we actually had the delayed work
set up.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190610135739.6077-2-tomi.valkeinen@ti.com
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We don't free the edid blob allocated by the call to drm_get_edid(),
causing a memleak. Fix this by calling kfree(edid) at the end of the
get_modes().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190610135739.6077-1-tomi.valkeinen@ti.com
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Drop use of the deprecated drmP.h header file.
While touching the list of include files:
- Divide include files in blocks of linux/* drm/* etc.
- Sort individual blocks of include files
- Remove duplicated header file
v2:
- Be consistent in the order of the include blocks (Laurent)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Martin Donnelly <martin.donnelly@ge.com>
Cc: Martyn Welch <martyn.welch@collabora.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190519183636.19588-1-sam@ravnborg.org
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The TFP410 supports 24 bit, single-edge and 12 bit, dual-edge modes.
Depending on how many wires are used (24/12) the driver can set the correct
bus_format.
If the information is not available in DT then assume 24 bit, single-edge
setup.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401124143.17179-3-peter.ujfalusi@ti.com
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In case either the HPD gpio is not specified or when the HPD gpio can not
be used as interrupt we should tell the core that the HPD needs to be
polled for detecting hotplug.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401123342.15767-1-peter.ujfalusi@ti.com
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The TFP410 supports configurable pixel clock sampling edge and data
de-skew adjustments. The configuration can be set through I2C or
dedicated chip pins.
Report the configuration through the drm_bridge timings. As the
ti-tftp410 driver doesn't support configuring the chip through I2C, we
simply use the default configuration in that case. When the chip is
configured through dedicated pins, we parse the configuration from DT.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The TFP410 has a powerdown pin that can be connected to a GPIO to
control power saving. The DT bindings define a corresponding property,
but the driver doesn't implement support for it. Fix that.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The TI TFP410 is a DVI encoder, not a full HDMI encoder. Its output can
be routed to a DVI-D connector, even if in many cases embedded systems
will use an HDMI connector to carry the DVI signals.
Instead of hardcoding the connector type to HDMI, retrieve the connector
type from its DT node.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Having the probe helper stuff (which pretty much everyone needs) in
the drm_crtc_helper.h file (which atomic drivers should never need) is
confusing. Split them out.
To make sure I actually achieved the goal here I went through all
drivers. And indeed, all atomic drivers are now free of
drm_crtc_helper.h includes.
v2: Make it compile. There was so much compile fail on arm drivers
that I figured I'll better not include any of the acks on v1.
v3: Massive rebase because i915 has lost a lot of drmP.h includes, but
not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h
there was still one, which this patch largely removes. Which means
rolling out lots more includes all over.
This will also conflict with ongoing drmP.h cleanup by others I
expect.
v3: Rebase on top of atomic bochs.
v4: Review from Laurent for bridge/rcar/omap/shmob/core bits:
- (re)move some of the added includes, use the better include files in
other places (all suggested from Laurent adopted unchanged).
- sort alphabetically
v5: Actually try to sort them, and while at it, sort all the ones I
touch.
v6: Rebase onto i915 changes.
v7: Rebase once more.
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: virtualization@lists.linux-foundation.org
Cc: etnaviv@lists.freedesktop.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: spice-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-tegra@vger.kernel.org
Cc: xen-devel@lists.xen.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190117210334.13234-1-daniel.vetter@ffwll.ch
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Again to align with the usual prefix of just drm_connector_. Again
done with sed + manual fixup for indent issues.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180709084016.23750-7-daniel.vetter@ffwll.ch
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Just makes it longer, and for most things in drm_connector.[hc] we
just use the drm_connector_ prefix. Done with sed + a bit of manual
fixup for the indenting.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180709084016.23750-6-daniel.vetter@ffwll.ch
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It's dead code, the core handles all this directly now.
The only special case is nouveau and tda988x which used one function
for both legacy modeset code and -nv50 atomic world instead of 2
vtables. But amounts to exactly the same.
v2: Rebase over the panel/brideg refactorings in stm/ltdc.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Peter Senna Tschudin <peter.senna@collabora.com>
Cc: Martin Donnelly <martin.donnelly@ge.com>
Cc: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Alison Wang <alison.wang@freescale.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: CK Hu <ck.hu@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Yannick Fertre <yannick.fertre@st.com>
Cc: Philippe Cornu <philippe.cornu@st.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Jeffy Chen <jeffy.chen@rock-chips.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Yakir Yang <kuankuan.y@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Romain Perier <romain.perier@collabora.com>
Cc: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Cc: Xinliang Liu <z.liuxinliang@hisilicon.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Rongrong Zou <zourongrong@gmail.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Hai Li <hali@codeaurora.org>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: nouveau@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-tegra@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: zain wang <wzz@rock-chips.com>
Cc: Baoyou Xie <baoyou.xie@linaro.org>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170725080122.20548-8-daniel.vetter@ffwll.ch
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Archit Taneja <architt@codeaurora.org>
Tested-by: Philippe Cornu <philippe.cornu@st.com> (on stm)
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
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This patch removes unnecessary checking of return value.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1499071350-25168-12-git-send-email-inki.dae@samsung.com
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Convert drivers to use the new of_graph_get_remote_node() helper
instead of parsing the endpoint node and then getting the remote device
node. Now drivers can just specify the device node and which
port/endpoint and get back the connected remote device node. The details
of the graph binding are nicely abstracted into the core OF graph code.
This changes some error messages to debug messages (in the graph core).
Graph connections are often "no connects" depending on the particular
board, so we want to avoid spurious messages. Plus the kernel is not a
DT validator.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Liviu Dudau <liviu.dudau@arm.com>
Tested-by: Eric Anholt <eric@anholt.net>
Tested-by: Jyri Sarha <jsarha@ti.com>
Tested by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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On some boards the hpd pin of a hdmi connector is wired up to a gpio
pin. Since in the DRM world the tfp410 driver is responsible for
handling the connector, add support for hpd gpios in this very driver.
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/2e47786ab3d04078ae70d0c4064f7c4d@rwthex-s1-b.rwth-ad.de
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Fixes the following sparse warning:
drivers/gpu/drm/bridge/ti-tfp410.c:223:24: warning:
symbol 'tfp410_platform_driver' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170209152549.30711-1-weiyj.lk@gmail.com
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Add very basic ti-tfp410 DVI transmitter driver. The only feature
separating this from a completely dummy bridge is the EDID read
support trough DDC I2C. Even that functionality should be in a
separate generic connector driver. However, because of missing DRM
infrastructure support the connector is implemented within the bridge
driver. Some tfp410 HW specific features may be added later if needed,
because there is a set of registers behind i2c if it is connected.
This implementation is tested against my new tilcdc bridge support
and it works with BeagleBone DVI-D Cape Rev A3. A DT binding document
is also updated.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
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