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7ce84471e3
As a result of commit 987d65d013 (drm: debugfs: make
drm_debugfs_create_files() never fail) and changes to various debugfs
functions in drm/core and across various drivers, there is no need for
the drm_driver.debugfs_init() hook to have a return value. Therefore,
declare it as void.
This also includes refactoring all users of the .debugfs_init() hook to
return void across the subsystem.
v2: include changes to the hook and drivers that use it in one patch to
prevent driver breakage and enable individual successful compilation of
this change.
References: https://lists.freedesktop.org/archives/dri-devel/2020-February/257183.html
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200310133121.27913-18-wambui.karugax@gmail.com
283 lines
10 KiB
C
283 lines
10 KiB
C
/*
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* Copyright © 2006 Keith Packard
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* Copyright © 2007-2008 Dave Airlie
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* Copyright © 2007-2008 Intel Corporation
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* Jesse Barnes <jesse.barnes@intel.com>
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* Copyright © 2014 Intel Corporation
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* This header file contains mode setting related functions and definitions
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* which are only used within the drm module as internal implementation details
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* and are not exported to drivers.
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*/
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#include <linux/types.h>
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enum drm_color_encoding;
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enum drm_color_range;
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enum drm_connector_force;
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enum drm_mode_status;
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struct drm_atomic_state;
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struct drm_bridge;
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struct drm_connector;
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struct drm_crtc;
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struct drm_device;
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struct drm_display_mode;
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struct drm_file;
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struct drm_framebuffer;
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struct drm_mode_create_dumb;
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struct drm_mode_fb_cmd2;
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struct drm_mode_fb_cmd;
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struct drm_mode_object;
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struct drm_mode_set;
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struct drm_plane;
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struct drm_plane_state;
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struct drm_property;
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struct edid;
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struct kref;
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struct work_struct;
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/* drm_crtc.c */
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int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
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struct drm_property *property,
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uint64_t value);
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int drm_crtc_check_viewport(const struct drm_crtc *crtc,
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int x, int y,
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const struct drm_display_mode *mode,
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const struct drm_framebuffer *fb);
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int drm_crtc_register_all(struct drm_device *dev);
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void drm_crtc_unregister_all(struct drm_device *dev);
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int drm_crtc_force_disable(struct drm_crtc *crtc);
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struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc);
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/* IOCTLs */
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int drm_mode_getcrtc(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_setcrtc(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_mode_config.c */
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int drm_modeset_register_all(struct drm_device *dev);
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void drm_modeset_unregister_all(struct drm_device *dev);
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void drm_mode_config_validate(struct drm_device *dev);
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/* drm_modes.c */
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const char *drm_get_mode_status_name(enum drm_mode_status status);
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/* IOCTLs */
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int drm_mode_getresources(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_dumb_buffers.c */
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int drm_mode_create_dumb(struct drm_device *dev,
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struct drm_mode_create_dumb *args,
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struct drm_file *file_priv);
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int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
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struct drm_file *file_priv);
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/* IOCTLs */
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int drm_mode_create_dumb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_color_mgmt.c */
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const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
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const char *drm_get_color_range_name(enum drm_color_range range);
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/* IOCTLs */
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int drm_mode_gamma_get_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_gamma_set_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_property.c */
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void drm_property_destroy_user_blobs(struct drm_device *dev,
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struct drm_file *file_priv);
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bool drm_property_change_valid_get(struct drm_property *property,
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uint64_t value,
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struct drm_mode_object **ref);
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void drm_property_change_valid_put(struct drm_property *property,
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struct drm_mode_object *ref);
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/* IOCTL */
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int drm_mode_getproperty_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_getblob_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_createblob_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_destroyblob_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_mode_object.c */
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int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
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uint32_t obj_type, bool register_obj,
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void (*obj_free_cb)(struct kref *kref));
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int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
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uint32_t obj_type);
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void drm_mode_object_register(struct drm_device *dev,
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struct drm_mode_object *obj);
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struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
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struct drm_file *file_priv,
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uint32_t id, uint32_t type);
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void drm_mode_object_unregister(struct drm_device *dev,
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struct drm_mode_object *object);
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int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
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uint32_t __user *prop_ptr,
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uint64_t __user *prop_values,
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uint32_t *arg_count_props);
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struct drm_property *drm_mode_obj_find_prop_id(struct drm_mode_object *obj,
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uint32_t prop_id);
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/* IOCTL */
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int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* drm_encoder.c */
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int drm_encoder_register_all(struct drm_device *dev);
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void drm_encoder_unregister_all(struct drm_device *dev);
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/* IOCTL */
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int drm_mode_getencoder(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_connector.c */
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void drm_connector_ida_init(void);
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void drm_connector_ida_destroy(void);
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void drm_connector_unregister_all(struct drm_device *dev);
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int drm_connector_register_all(struct drm_device *dev);
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int drm_connector_set_obj_prop(struct drm_mode_object *obj,
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struct drm_property *property,
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uint64_t value);
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int drm_connector_create_standard_properties(struct drm_device *dev);
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const char *drm_get_connector_force_name(enum drm_connector_force force);
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void drm_connector_free_work_fn(struct work_struct *work);
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/* IOCTL */
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int drm_connector_property_set_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_getconnector(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_framebuffer.c */
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struct drm_framebuffer *
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drm_internal_framebuffer_create(struct drm_device *dev,
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const struct drm_mode_fb_cmd2 *r,
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struct drm_file *file_priv);
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void drm_framebuffer_free(struct kref *kref);
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int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y,
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uint32_t src_w, uint32_t src_h,
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const struct drm_framebuffer *fb);
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void drm_fb_release(struct drm_file *file_priv);
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int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
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struct drm_file *file_priv);
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int drm_mode_addfb2(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
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struct drm_file *file_priv);
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/* IOCTL */
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int drm_mode_addfb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_addfb2_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_rmfb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_getfb(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_getfb2_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_atomic.c */
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#ifdef CONFIG_DEBUG_FS
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struct drm_minor;
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void drm_atomic_debugfs_init(struct drm_minor *minor);
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#endif
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int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
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struct drm_plane_state *plane_state);
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int __drm_atomic_helper_set_config(struct drm_mode_set *set,
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struct drm_atomic_state *state);
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void drm_atomic_print_state(const struct drm_atomic_state *state);
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/* drm_atomic_uapi.c */
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int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
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struct drm_connector *connector,
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int mode);
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int drm_atomic_set_property(struct drm_atomic_state *state,
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struct drm_file *file_priv,
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struct drm_mode_object *obj,
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struct drm_property *prop,
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uint64_t prop_value);
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int drm_atomic_get_property(struct drm_mode_object *obj,
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struct drm_property *property, uint64_t *val);
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/* IOCTL */
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int drm_mode_atomic_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_plane.c */
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int drm_plane_register_all(struct drm_device *dev);
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void drm_plane_unregister_all(struct drm_device *dev);
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int drm_plane_check_pixel_format(struct drm_plane *plane,
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u32 format, u64 modifier);
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/* drm_bridge.c */
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void drm_bridge_detach(struct drm_bridge *bridge);
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/* IOCTL */
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int drm_mode_getplane_res(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_mode_getplane(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_setplane(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_cursor_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_cursor2_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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int drm_mode_page_flip_ioctl(struct drm_device *dev,
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void *data, struct drm_file *file_priv);
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/* drm_edid.c */
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void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
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void drm_reset_display_info(struct drm_connector *connector);
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u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid);
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void drm_update_tile_info(struct drm_connector *connector, const struct edid *edid);
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