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This is the new API for allocating DRM bridges.
These two drivers are tangled together by the ldb_add_bridge_helper(), so
they are converted at once.
They also have a similar design, each embedding an array of channels in
their main struct, and each channel embeds a drm_bridge. This prevents
dynamic, refcount-based deallocation of the bridges.
To make the new, dynamic bridge allocation possible:
* change the array of channels into an array of channel pointers
* allocate each channel using devm_drm_bridge_alloc()
* adapt ldb_add_bridge_helper() to not set the funcs pointer
(now done by devm_drm_bridge_alloc())
* adapt the code wherever using the channels
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Acked-by: Liu Ying <victor.liu@nxp.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250424-drm-bridge-convert-to-alloc-api-v2-31-8f91a404d86b@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
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'ret' can only be 0 at this point, being preceded by a 'if (ret) return
ret;'. So return 0 for clarity.
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Liu Ying <victor.liu@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306-drm-two-ldb-improvements-v1-1-f139d768b92c@bootlin.com
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_disable hook prototype to pass
it directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-4-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_enable hook prototype to pass it
directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-3-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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It's pretty inconvenient to access the full atomic state from
drm_bridges, so let's change the atomic_pre_enable hook prototype to
pass it directly.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250213-bridge-connector-v3-2-e71598f49c8f@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The continual trickle of small conversion patches is grating on me, and
is really not helping. Just get rid of the 'remove_new' member
function, which is just an alias for the plain 'remove', and had a
comment to that effect:
/*
* .remove_new() is a relic from a prototype conversion of .remove().
* New drivers are supposed to implement .remove(). Once all drivers are
* converted to not use .remove_new any more, it will be dropped.
*/
This was just a tree-wide 'sed' script that replaced '.remove_new' with
'.remove', with some care taken to turn a subsequent tab into two tabs
to make things line up.
I did do some minimal manual whitespace adjustment for places that used
spaces to line things up.
Then I just removed the old (sic) .remove_new member function, and this
is the end result. No more unnecessary conversion noise.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace SET_RUNTIME_PM_OPS with its modern RUNTIME_PM_OPS() alternative.
The combined usage of pm_ptr() and RUNTIME_PM_OPS()
allows the compiler to evaluate if the runtime suspend/resume() functions
are used at build time or are simply dead code.
This allows removing the __maybe_unused notation from the runtime
suspend/resume() functions.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240626230704.708234-6-festevam@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240626230704.708234-6-festevam@gmail.com
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230714174545.4056287-1-robh@kernel.org
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With the previous fix, these modules are built from a single C file.
Rename the source files so they match the module names.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Liu Ying <victor.liu@nxp.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230605120021.1774711-2-masahiroy@kernel.org
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