drm/bridge: add ->edid_read hook and drm_bridge_edid_read()

[ Upstream commit d807ad80d811ba0c22adfd871e2a46491f80d6e2 ]

Add new struct drm_edid based ->edid_read hook and
drm_bridge_edid_read() fu

drm/bridge: add ->edid_read hook and drm_bridge_edid_read()

[ Upstream commit d807ad80d811ba0c22adfd871e2a46491f80d6e2 ]

Add new struct drm_edid based ->edid_read hook and
drm_bridge_edid_read() function to call the hook.

v2: Include drm/drm_edid.h

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/9d08d22eaffcb9c59a2b677e45d7e61fc689bc2f.1706038510.git.jani.nikula@intel.com
Stable-dep-of: 171b711b26cc ("drm/bridge: lt8912b: do not return negative values from .get_modes()")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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drm/bridge: add ->edid_read hook and drm_bridge_edid_read()

[ Upstream commit d807ad80d811ba0c22adfd871e2a46491f80d6e2 ]

Add new struct drm_edid based ->edid_read hook and
drm_bridge_edid_read() fu

drm/bridge: add ->edid_read hook and drm_bridge_edid_read()

[ Upstream commit d807ad80d811ba0c22adfd871e2a46491f80d6e2 ]

Add new struct drm_edid based ->edid_read hook and
drm_bridge_edid_read() function to call the hook.

v2: Include drm/drm_edid.h

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/9d08d22eaffcb9c59a2b677e45d7e61fc689bc2f.1706038510.git.jani.nikula@intel.com
Stable-dep-of: 171b711b26cc ("drm/bridge: lt8912b: do not return negative values from .get_modes()")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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drm/bridge: Fix typo in post_disable() description

[ Upstream commit 288b039db225676e0c520c981a1b5a2562d893a3 ]

s/singals/signals/

Fixes: 199e4e967af4 ("drm: Extract drm_bridge.h")
Signed-off-by:

drm/bridge: Fix typo in post_disable() description

[ Upstream commit 288b039db225676e0c520c981a1b5a2562d893a3 ]

s/singals/signals/

Fixes: 199e4e967af4 ("drm: Extract drm_bridge.h")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231124094253.658064-1-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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drm/bridge: Add debugfs print for bridge chains

DRM bridges are not visible to the userspace and it may not be
immediately clear if the chain is somehow constructed incorrectly. I
have had two separ

drm/bridge: Add debugfs print for bridge chains

DRM bridges are not visible to the userspace and it may not be
immediately clear if the chain is somehow constructed incorrectly. I
have had two separate instances of a bridge driver failing to do a
drm_bridge_attach() call, resulting in the bridge connector not being
part of the chain. In some situations this doesn't seem to cause issues,
but it will if DRM_BRIDGE_ATTACH_NO_CONNECTOR flag is used.

Add a debugfs file to print the bridge chains. For me, on this TI AM62
based platform, I get the following output:

encoder[39]
bridge[0] type: 0, ops: 0x0
bridge[1] type: 0, ops: 0x0, OF: /bus@f0000/i2c@20000000/dsi@e:toshiba,tc358778
bridge[2] type: 0, ops: 0x3, OF: /bus@f0000/i2c@20010000/hdmi@48:lontium,lt8912b
bridge[3] type: 11, ops: 0x7, OF: /hdmi-connector:hdmi-connector

Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230802-drm-bridge-chain-debugfs-v4-1-7e3ae3d137c0@ideasonboard.com

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drm/bridge: Fix returned array size name for atomic_get_input_bus_fmts kdoc

The returned array size for input formats is set through
atomic_get_input_bus_fmts()'s 'num_input_fmts' argument, so use
'

drm/bridge: Fix returned array size name for atomic_get_input_bus_fmts kdoc

The returned array size for input formats is set through
atomic_get_input_bus_fmts()'s 'num_input_fmts' argument, so use
'num_input_fmts' to represent the array size in the function's kdoc,
not 'num_output_fmts'.

Fixes: 91ea83306bfa ("drm/bridge: Fix the bridge kernel doc")
Fixes: f32df58acc68 ("drm/bridge: Add the necessary bits to support bus format negotiation")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230314055035.3731179-1-victor.liu@nxp.com

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drm/bridge: Introduce pre_enable_prev_first to alter bridge init order

DSI sink devices typically want the DSI host powered up and configured
before they are powered up. pre_enable is the place this

drm/bridge: Introduce pre_enable_prev_first to alter bridge init order

DSI sink devices typically want the DSI host powered up and configured
before they are powered up. pre_enable is the place this would normally
happen, but they are called in reverse order from panel/connector towards
the encoder, which is the "wrong" order.

Add a new flag pre_enable_prev_first that any bridge can set
to swap the order of pre_enable (and post_disable) for that and the
immediately previous bridge.
Should the immediately previous bridge also set the
pre_enable_prev_first flag, the previous bridge to that will be called
before either of those which requested pre_enable_prev_first.

eg:
- Panel
- Bridge 1
- Bridge 2 pre_enable_prev_first
- Bridge 3
- Bridge 4 pre_enable_prev_first
- Bridge 5 pre_enable_prev_first
- Bridge 6
- Encoder
Would result in pre_enable's being called as Panel, Bridge 1, Bridge 3,
Bridge 2, Bridge 6, Bridge 5, Bridge 4, Encoder.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20221205173328.1395350-5-dave.stevenson@raspberrypi.com
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

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drm/bridge: Drop unused drm_bridge_chain functions

The drm_bridge_chain_{pre_enable,enable,disable,post_disable} has no
users left and we have atomic variants that should be used.
Drop them so they

drm/bridge: Drop unused drm_bridge_chain functions

The drm_bridge_chain_{pre_enable,enable,disable,post_disable} has no
users left and we have atomic variants that should be used.
Drop them so they do not gain new users.

Adjust a few comments to avoid references to the dropped functions.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20221205173328.1395350-4-dave.stevenson@raspberrypi.com
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

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drm/vc4: Add explicit declaration of 'drmm_of_get_bridge'

Fix the error of implicit declaration of function 'drmm_of_get_bridge':

drivers/gpu/drm/vc4/vc4_dpi.c:278:11: error: implicit declaration o

drm/vc4: Add explicit declaration of 'drmm_of_get_bridge'

Fix the error of implicit declaration of function 'drmm_of_get_bridge':

drivers/gpu/drm/vc4/vc4_dpi.c:278:11: error: implicit declaration of function ‘drmm_of_get_bridge’; did you mean ‘devm_drm_of_get_bridge’? [-Werror=implicit-function-declaration]
bridge = drmm_of_get_bridge(drm, dev->of_node, 0, 0);

Fixes: 055af0235aef ("drm/vc4: dpi: Switch to drmm_of_get_bridge")
Signed-off-by: Wang Jingjin <wangjingjin1@huawei.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220716020741.4124893-1-wangjingjin1@huawei.com

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drm/bridge: panel: Introduce drmm_of_get_bridge

Unlike what can be found for other DRM entities, we don't have a
DRM-managed function equivalent to devm_drm_of_get_bridge().

Let's create it.

Acked

drm/bridge: panel: Introduce drmm_of_get_bridge

Unlike what can be found for other DRM entities, we don't have a
DRM-managed function equivalent to devm_drm_of_get_bridge().

Let's create it.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220711173939.1132294-12-maxime@cerno.tech

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drm/bridge: panel: Introduce drmm_panel_bridge_add

Unlike what can be found for other entities, there's no DRM-managed
function to create a panel_bridge instance from a panel.

Let's introduce one.

drm/bridge: panel: Introduce drmm_panel_bridge_add

Unlike what can be found for other entities, there's no DRM-managed
function to create a panel_bridge instance from a panel.

Let's introduce one.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220711173939.1132294-11-maxime@cerno.tech

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drm: Config orientation property if panel provides it

Panel orientation property should be set before drm_dev_register().
Some drm driver calls drm_dev_register() in .bind(). However, most
panels se

drm: Config orientation property if panel provides it

Panel orientation property should be set before drm_dev_register().
Some drm driver calls drm_dev_register() in .bind(). However, most
panels sets orientation property relatively late, mostly in .get_modes()
callback, since this is when they are able to get the connector and
binds the orientation property to it, though the value should be known
when the panel is probed.

In drm_bridge_connector_init(), if a bridge is a panel bridge, use it to
set the connector's panel orientation property.

Suggested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
[dianders: fixed space vs. tab indentation]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-9-hsinyi@chromium.org

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drm/bridge: Add devm_drm_bridge_add()

This adds a devm managed version of drm_bridge_add(). Like other
"devm" function listed in drm_bridge.h, this function takes an
explicit "dev" to use for the li

drm/bridge: Add devm_drm_bridge_add()

This adds a devm managed version of drm_bridge_add(). Like other
"devm" function listed in drm_bridge.h, this function takes an
explicit "dev" to use for the lifetime management. A few notes:
* In general we have a "struct device" for bridges that makes a good
candidate for where the lifetime matches exactly what we want.
* The "bridge->dev->dev" device appears to be the encoder
device. That's not the right device to use for lifetime management.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510122726.v3.3.Iba4b9bf6c7a1ee5ea2835ad7bd5eaf84d7688520@changeid

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drm: Plumb debugfs_init through to panels

We'd like panels to be able to add things to debugfs underneath the
connector's directory. Let's plumb it through. A panel will be able to
put things in a "

drm: Plumb debugfs_init through to panels

We'd like panels to be able to add things to debugfs underneath the
connector's directory. Let's plumb it through. A panel will be able to
put things in a "panel" directory under the connector's
directory. Note that debugfs is not ABI and so it's always possible
that the location that the panel gets for its debugfs could change in
the future.

NOTE: this currently only works if you're using a modern
architecture. Specifically the plumbing relies on _both_
drm_bridge_connector and drm_panel_bridge. If you're not using one or
both of these things then things won't be plumbed through.

As a side effect of this change, drm_bridges can also get callbacks to
put stuff underneath the connector's debugfs directory. At the moment
all bridges in the chain have their debugfs_init() called with the
connector's root directory.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220204161245.v2.2.Ib0bd5346135cbb0b63006b69b61d4c8af6484740@changeid

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drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech

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drm/msm: allow compile_test on !ARM

MSM is one of the few drivers which won't even compile
test on !ARM platforms.

Looking into this a bit more it turned out that there is
actually not that much mi

drm/msm: allow compile_test on !ARM

MSM is one of the few drivers which won't even compile
test on !ARM platforms.

Looking into this a bit more it turned out that there is
actually not that much missing to at least let the driver
compile on x86 as well.

So this patch replaces the use of phys_to_page() with the
open coded version and provides a dummy for of_drm_find_bridge().

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924071759.22659-2-christian.koenig@amd.com

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drm/bridge: Add a function to abstract away panels

Display drivers so far need to have a lot of boilerplate to first
retrieve either the panel or bridge that they are connected to using
drm_of_find_

drm/bridge: Add a function to abstract away panels

Display drivers so far need to have a lot of boilerplate to first
retrieve either the panel or bridge that they are connected to using
drm_of_find_panel_or_bridge(), and then either deal with each with ad-hoc
functions or create a drm panel bridge through drm_panel_bridge_add.

In order to reduce the boilerplate and hopefully create a path of least
resistance towards using the DRM panel bridge layer, let's create the
function devm_drm_of_get_bridge() to reduce that boilerplate.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210910130941.1740182-2-maxime@cerno.tech

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drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in

drm/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled

commit 59050d783848d9b62e9d8fb6ce0cd00771c2bf87 upstream.

If CONFIG_OF is disabled, devm_drm_of_get_bridge won't be compiled in
and drivers using that function will fail to build.

Add an inline stub so that we can still build-test those cases.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://patchwork.freedesktop.org/patch/msgid/20210928181333.1176840-1-maxime@cerno.tech
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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