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path: root/drivers/gpu/drm/drm_encoder_slave.c
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2020-05-17drm: encoder_slave: use new I2C APIWolfram Sang1-8/+2
i2c_new_client() is deprecated, use the replacement i2c_new_client_device(). Also, we have a helper to check if a driver is bound. Use it to simplify the code. Note that this changes the errno for a failed device creation from ENOMEM to ENODEV. No callers currently interpret this errno, though, so we use this condensed error check. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Signed-off-by: Emil Velikov <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2020-05-17drm: encoder_slave: fix refcouting error for modulesWolfram Sang1-2/+3
module_put() balances try_module_get(), not request_module(). Fix the error path to match that. Fixes: 2066facca4c7 ("drm/kms: slave encoder interface.") Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Signed-off-by: Emil Velikov <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2017-01-25drm/kms-core: Use recommened kerneldoc for struct member refsDaniel Vetter1-1/+1
I just learned that &struct_name.member_name works and looks pretty even. It doesn't (yet) link to the member directly though, which would be really good for big structures or vfunc tables (where the per-member kerneldoc tends to be long). Also some minor drive-by polish where it makes sense, I read a lot of docs ... v2: Review from Eric. Cc: Jani Nikula <[email protected]> Cc: Chris Wilson <[email protected]> Reviewed-by: Eric Engestrom <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
2016-02-10drm: fixes when i2c encoder slave mode_fixup is null.Carlos Palminha1-0/+3
Avoid i2c slave encoder drivers to copy/paste code to implement functions that will only return true. Signed-off-by: Carlos Palminha <[email protected]> [danvet: whitespace requested by Jani.] Signed-off-by: Daniel Vetter <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
2015-12-15drm: Constify drm_encoder_slave_funcsVille Syrjälä1-1/+1
Signed-off-by: Ville Syrjälä <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Thierry Reding <[email protected]> Signed-off-by: Boris Brezillon <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-11-git-send-email-boris.brezillon@free-electrons.com Signed-off-by: Daniel Vetter <[email protected]>
2013-10-03drm: encoder_slave: Don't use i2c_client->driverLars-Peter Clausen1-4/+4
The 'driver' field of the i2c_client struct is redundant and is going to be removed. The results of the expressions 'client->driver.driver->field' and 'client->dev.driver->field' are identical, so replace all occurrences of the former with the later. To get direct access to the i2c_driver struct use 'to_i2c_driver(client->dev.driver)'. Signed-off-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2013-05-10drm: refactor call to request_moduleKees Cook1-5/+1
This reduces the size of the stack frame when calling request_module(). Performing the sprintf before the call is not needed. Signed-off-by: Kees Cook <[email protected]> Acked-by: Paul Menzel <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2013-02-17drm: i2c encoder helper wrappersRob Clark1-0/+63
Simplify life for drivers using an encoder-slave, so that they can make their drm_encoder_helper_funcs const, rather than needing to dynamically allocate and populate them. Signed-off-by: Rob Clark <[email protected]>
2012-10-02UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/David Howells1-1/+1
Convert #include "..." to #include <path/...> in drivers/gpu/. Signed-off-by: David Howells <[email protected]> Acked-by: Dave Airlie <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Acked-by: Dave Jones <[email protected]>
2011-10-31gpu: add module.h to drivers/gpu files as required.Paul Gortmaker1-0/+2
So that we don't get build failures once the implicit module.h presence is removed. Signed-off-by: Paul Gortmaker <[email protected]>
2010-08-05drm/kms: Simplify setup of the initial I2C encoder config.Francisco Jerez1-0/+7
In most use cases the driver will be using the same static config all the time: interpreting i2c_board_info::platform_data as the default config we can can save the GPU driver a redundant set_config() call. Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2009-08-13drm: fixup include file in drm_encoder_slaveDave Airlie1-1/+1
Signed-off-by: Dave Airlie <[email protected]>
2009-08-04drm/kms: slave encoder interface.Francisco Jerez1-0/+116
Define some helper functions to make easier to detach a KMS encoder implementation from the drm module of the GPU it's used in. This is mainly useful for some external I2C encoders known to be present on cards with GPUs from several different manufacturers. Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
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