Commit graph

24 commits

Author SHA1 Message Date
Uwe Kleine-König
536a94e8e6
drm/bridge: nxp-ptn3460: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20221118224540.619276-28-uwe@kleine-koenig.org
Signed-off-by: Robert Foss <robert.foss@linaro.org>
2022-12-09 10:32:56 +01:00
Uwe Kleine-König
ed5c2f5fd1 i2c: Make remove callback return void
The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-16 12:46:26 +02:00
José Expósito
bbefe70881
drm/bridge: nxp-ptn3460: switch to devm_drm_of_get_bridge
The function "drm_of_find_panel_or_bridge" has been deprecated in
favor of "devm_drm_of_get_bridge".

Switch to the new function and reduce boilerplate.

Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220228182600.22463-1-jose.exposito89@gmail.com
2022-03-08 12:07:09 +01:00
Sam Ravnborg
8f22c21dce drm/bridge: nxp-ptn3460: add drm_panel_bridge support
Prepare the bridge driver for use in a chained setup.

- Replacing direct use of drm_panel with drm_panel_bridge support.
- Make the connector creation optional

Note: the bridge panel will use the connector type from the panel.

v3:
  - Fix wrong logic in connector creation (Laurent)

v2:
  - Use panel_bridge for local variable name to align with other drivers
  - Fix that connector was created twice (Laurent)
  - Set bridge.type to DRM_MODE_CONNECTOR_LVDS.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200727170320.959777-6-sam@ravnborg.org
2020-07-27 19:25:10 +02:00
Sam Ravnborg
4151c14cdd drm/bridge: nxp-ptn3460: add get_edid bridge operation
Add the get_edid() bridge operation to prepare for
use as a chained bridge.
Add helper function that is also used by the connector.

v2:
  - Fix memory leak (Laurent)
  - Do not save a copy of edid, read it when needed

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200727170320.959777-5-sam@ravnborg.org
2020-07-27 19:24:20 +02:00
Laurent Pinchart
a25b988ff8 drm/bridge: Extend bridge API to disable connector creation
Most bridge drivers create a DRM connector to model the connector at the
output of the bridge. This model is historical and has worked pretty
well so far, but causes several issues:

- It prevents supporting more complex display pipelines where DRM
connector operations are split over multiple components. For instance a
pipeline with a bridge connected to the DDC signals to read EDID data,
and another one connected to the HPD signal to detect connection and
disconnection, will not be possible to support through this model.

- It requires every bridge driver to implement similar connector
handling code, resulting in code duplication.

- It assumes that a bridge will either be wired to a connector or to
another bridge, but doesn't support bridges that can be used in both
positions very well (although there is some ad-hoc support for this in
the analogix_dp bridge driver).

In order to solve these issues, ownership of the connector should be
moved to the display controller driver (where it can be implemented
using helpers provided by the core).

Extend the bridge API to allow disabling connector creation in bridge
drivers as a first step towards the new model. The new flags argument to
the bridge .attach() operation allows instructing the bridge driver to
skip creating a connector. Unconditionally set the new flags argument to
0 for now to keep the existing behaviour, and modify all existing bridge
drivers to return an error when connector creation is not requested as
they don't support this feature yet.

The change is based on the following semantic patch, with manual review
and edits.

@ rule1 @
identifier funcs;
identifier fn;
@@
 struct drm_bridge_funcs funcs = {
 	...,
 	.attach = fn
 };

@ depends on rule1 @
identifier rule1.fn;
identifier bridge;
statement S, S1;
@@
 int fn(
 	struct drm_bridge *bridge
+	, enum drm_bridge_attach_flags flags
 )
 {
 	... when != S
+	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
+		DRM_ERROR("Fix bridge driver to make connector optional!");
+		return -EINVAL;
+	}
+
 	S1
 	...
 }

@ depends on rule1 @
identifier rule1.fn;
identifier bridge, flags;
expression E1, E2, E3;
@@
 int fn(
 	struct drm_bridge *bridge,
 	enum drm_bridge_attach_flags flags
 ) {
 <...
 drm_bridge_attach(E1, E2, E3
+	, flags
 )
 ...>
 }

@@
expression E1, E2, E3;
@@
 drm_bridge_attach(E1, E2, E3
+	, 0
 )

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-10-laurent.pinchart@ideasonboard.com
2020-02-26 13:31:23 +02:00
Boris Brezillon
ee68c743f8 drm: Stop including drm_bridge.h from drm_crtc.h
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
2019-08-28 22:11:03 +02:00
Linus Walleij
f15543ac6f drm/bridge/nxp-ptn3460: Drop legacy GPIO headers
This driver uses exclusively the new GPIO API from
<linux/gpio/consumer.h> so just drop the old API headers.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708113009.12723-1-linus.walleij@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-05 18:48:07 +02:00
Daniel Vetter
52d2d44eee Linux 5.2-rc5
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Merge v5.2-rc5 into drm-next

Maarten needs -rc4 backmerged so he can pull in the fbcon notifier
removal topic branch into drm-misc-next.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-06-19 12:07:29 +02:00
Thomas Gleixner
9c92ab6191 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
Based on 1 normalized pattern(s):

  this software is licensed under the terms of the gnu general public
  license version 2 as published by the free software foundation and
  may be copied distributed and modified under those terms this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:37 +02:00
Sam Ravnborg
95b608044f drm/bridge: drop drmP.h usage
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
2019-05-26 10:55:04 +02:00
Daniel Vetter
fcd70cd36b drm: Split out drm_probe_helper.h
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
2019-01-24 13:20:42 +01:00
Daniel Vetter
cde4c44d87 drm: drop _mode_ from drm_mode_connector_attach_encoder
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
2018-07-13 18:40:27 +02:00
Daniel Vetter
c555f02371 drm: drop _mode_ from update_edit_property()
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
2018-07-13 18:40:27 +02:00
Daniel Vetter
7d902c05b4 drm: Nuke drm_atomic_helper_connector_dpms
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>
2017-08-08 14:48:48 +02:00
Inki Dae
830dcb4451 drm/bridge: nxp-ptn3460: clean up drm_bridge_add call
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/1499071350-25168-6-git-send-email-inki.dae@samsung.com
2017-07-06 14:16:19 +05:30
Masahiro Yamada
191436c46e drm/bridge: fix include notation and remove -Iinclude/drm flag
Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.

While we are here, sort the touched parts alphabetically.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-7-git-send-email-yamada.masahiro@socionext.com
2017-05-16 17:18:47 +02:00
Rob Herring
ebc9446135 drm: convert drivers to use drm_of_find_panel_or_bridge
Similar to the previous commit, convert drivers open coding OF graph
parsing to use drm_of_find_panel_or_bridge instead.

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>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[seanpaul dropped rockchip changes since they're now obsolete]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
2017-04-06 17:00:27 -04:00
Laurent Pinchart
949f08862d drm: Make the connector .detect() callback optional
Many drivers (21 to be exact) create connectors that are always
connected (for instance to an LVDS or DSI panel). Instead of forcing
them to implement a dummy .detect() handler, make the callback optional
and consider the connector as always connected in that case.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[seanpaul fixed small conflict in rcar-du/rcar_du_lvdscon.c]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
2016-12-01 10:05:53 -05:00
Marek Vasut
bf3b123e3d drm/bridge: Call drm_connector_cleanup directly
Remove the unnecessary wrapper functions around drm_connector_cleanup().

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161004222331.7200-1-marex@denx.de
2016-10-05 15:20:36 +02:00
Boris Brezillon
4a62c0401f drm/bridge: ptn3460: Rely on the default ->best_encoder() behavior
We have a 1:1 relationship between connectors and encoders, and the driver
is relying on the atomic helpers: we can drop the custom ->best_encoder(),
and let the core call drm_atomic_helper_best_encoder() for us.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-19-git-send-email-boris.brezillon@free-electrons.com
2016-06-10 17:25:20 +02:00
Ville Syrjälä
0aba67c117 drm/bridge/nxp-ptn3460: Constify function pointer structs
Moves a bunch of junk to .rodata from .data.

 drivers/gpu/drm/bridge/nxp-ptn3460.ko:
-.rodata                      440
+.rodata                      536
-.data                        208
+.data                        112

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-16-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-12-15 13:43:39 +01:00
kbuild test robot
f1811a8a64 drm/bridge: ptn3460: Fix coccinelle warnings
The platform_no_drv_owner.cocci coccinelle script generates the
following warning:

	drivers/gpu/drm/bridge/nxp-ptn3460.c:403:3-8: No need to set .owner here. The core will do it.

Remove .owner field if calls are used which set it automatically. Patch
generated by scripts/coccinelle/api/platform_no_drv_owner.cocci.

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-10-30 18:40:36 +01:00
Thierry Reding
330b48bd70 drm/bridge: Add vendor prefixes
Use vendor prefixes for Kconfig symbols and filenames. This should make
it easier to identify the various bridge drivers and to organize the
directory.

v2: fix object name for dw-hdmi (Fabio Estevam)

Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-08-14 21:34:24 +02:00
Renamed from drivers/gpu/drm/bridge/ptn3460.c (Browse further)