WebSVN – Kolibri OS – Blame – /drivers/include/drm/drm_atomic_helper.h

Rev	Author	Line No.	Line
5270	serge	1	/*
		2	* Copyright (C) 2014 Red Hat
		3	* Copyright (C) 2014 Intel Corp.
		4	*
		5	* Permission is hereby granted, free of charge, to any person obtaining a
		6	* copy of this software and associated documentation files (the "Software"),
		7	* to deal in the Software without restriction, including without limitation
		8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		9	* and/or sell copies of the Software, and to permit persons to whom the
		10	* Software is furnished to do so, subject to the following conditions:
		11	*
		12	* The above copyright notice and this permission notice shall be included in
		13	* all copies or substantial portions of the Software.
		14	*
		15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		18	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		19	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		20	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		21	* OTHER DEALINGS IN THE SOFTWARE.
		22	*
		23	* Authors:
		24	* Rob Clark
		25	* Daniel Vetter
		26	*/
		27
		28	#ifndef DRM_ATOMIC_HELPER_H_
		29	#define DRM_ATOMIC_HELPER_H_
		30
		31	#include
		32
6082	serge	33	struct drm_atomic_state;
		34
		35	int drm_atomic_helper_check_modeset(struct drm_device *dev,
		36	struct drm_atomic_state *state);
		37	int drm_atomic_helper_check_planes(struct drm_device *dev,
		38	struct drm_atomic_state *state);
5270	serge	39	int drm_atomic_helper_check(struct drm_device *dev,
		40	struct drm_atomic_state *state);
		41	int drm_atomic_helper_commit(struct drm_device *dev,
		42	struct drm_atomic_state *state,
		43	bool async);
		44
6936	serge	45	bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,
		46	struct drm_atomic_state *old_state,
		47	struct drm_crtc *crtc);
		48
5270	serge	49	void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
		50	struct drm_atomic_state *old_state);
		51
6082	serge	52	void
		53	drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
		54	struct drm_atomic_state *old_state);
		55
		56	void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
		57	struct drm_atomic_state *state);
		58	void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
5270	serge	59	struct drm_atomic_state *old_state);
		60
		61	int drm_atomic_helper_prepare_planes(struct drm_device *dev,
		62	struct drm_atomic_state *state);
		63	void drm_atomic_helper_commit_planes(struct drm_device *dev,
6082	serge	64	struct drm_atomic_state *state,
		65	bool active_only);
5270	serge	66	void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
		67	struct drm_atomic_state *old_state);
6082	serge	68	void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state);
6936	serge	69	void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc,
		70	bool atomic);
5270	serge	71
		72	void drm_atomic_helper_swap_state(struct drm_device *dev,
		73	struct drm_atomic_state *state);
		74
		75	/* implementations for legacy interfaces */
		76	int drm_atomic_helper_update_plane(struct drm_plane *plane,
		77	struct drm_crtc *crtc,
		78	struct drm_framebuffer *fb,
		79	int crtc_x, int crtc_y,
		80	unsigned int crtc_w, unsigned int crtc_h,
		81	uint32_t src_x, uint32_t src_y,
		82	uint32_t src_w, uint32_t src_h);
		83	int drm_atomic_helper_disable_plane(struct drm_plane *plane);
6082	serge	84	int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
		85	struct drm_plane_state *plane_state);
5270	serge	86	int drm_atomic_helper_set_config(struct drm_mode_set *set);
6082	serge	87	int __drm_atomic_helper_set_config(struct drm_mode_set *set,
		88	struct drm_atomic_state *state);
5270	serge	89
6936	serge	90	int drm_atomic_helper_disable_all(struct drm_device *dev,
		91	struct drm_modeset_acquire_ctx *ctx);
		92	struct drm_atomic_state drm_atomic_helper_suspend(struct drm_device dev);
		93	int drm_atomic_helper_resume(struct drm_device *dev,
		94	struct drm_atomic_state *state);
		95
5270	serge	96	int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc,
		97	struct drm_property *property,
		98	uint64_t val);
		99	int drm_atomic_helper_plane_set_property(struct drm_plane *plane,
		100	struct drm_property *property,
		101	uint64_t val);
		102	int drm_atomic_helper_connector_set_property(struct drm_connector *connector,
		103	struct drm_property *property,
		104	uint64_t val);
		105	int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
		106	struct drm_framebuffer *fb,
		107	struct drm_pending_vblank_event *event,
		108	uint32_t flags);
6082	serge	109	int drm_atomic_helper_connector_dpms(struct drm_connector *connector,
		110	int mode);
5270	serge	111
		112	/* default implementations for state handling */
		113	void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
6082	serge	114	void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
		115	struct drm_crtc_state *state);
5270	serge	116	struct drm_crtc_state *
		117	drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc);
6082	serge	118	void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
		119	struct drm_crtc_state *state);
5270	serge	120	void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
		121	struct drm_crtc_state *state);
		122
		123	void drm_atomic_helper_plane_reset(struct drm_plane *plane);
6082	serge	124	void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
		125	struct drm_plane_state *state);
5270	serge	126	struct drm_plane_state *
		127	drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane);
6082	serge	128	void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
		129	struct drm_plane_state *state);
5270	serge	130	void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
		131	struct drm_plane_state *state);
		132
6936	serge	133	void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
		134	struct drm_connector_state *conn_state);
5270	serge	135	void drm_atomic_helper_connector_reset(struct drm_connector *connector);
6082	serge	136	void
		137	__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
		138	struct drm_connector_state *state);
5270	serge	139	struct drm_connector_state *
		140	drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector);
6082	serge	141	struct drm_atomic_state *
		142	drm_atomic_helper_duplicate_state(struct drm_device *dev,
		143	struct drm_modeset_acquire_ctx *ctx);
		144	void
		145	__drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
		146	struct drm_connector_state *state);
5270	serge	147	void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
		148	struct drm_connector_state *state);
7143	serge	149	void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
		150	u16 red, u16 green, u16 *blue,
		151	uint32_t start, uint32_t size);
5270	serge	152
		153	/**
		154	* drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC
		155	* @plane: the loop cursor
		156	* @crtc: the crtc whose planes are iterated
		157	*
		158	* This iterates over the current state, useful (for example) when applying
		159	* atomic state after it has been checked and swapped. To iterate over the
		160	* planes which will be attached (for ->atomic_check()) see
		161	* drm_crtc_for_each_pending_plane()
		162	*/
		163	#define drm_atomic_crtc_for_each_plane(plane, crtc) \
		164	drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask)
		165
		166	/**
		167	* drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state
		168	* @plane: the loop cursor
		169	* @crtc_state: the incoming crtc-state
		170	*
		171	* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
		172	* attached if the specified state is applied. Useful during (for example)
		173	* ->atomic_check() operations, to validate the incoming state
		174	*/
		175	#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
		176	drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
		177
6082	serge	178	/*
		179	* drm_atomic_plane_disabling - check whether a plane is being disabled
		180	* @plane: plane object
		181	* @old_state: previous atomic state
		182	*
		183	* Checks the atomic state of a plane to determine whether it's being disabled
		184	* or not. This also WARNs if it detects an invalid state (both CRTC and FB
		185	* need to either both be NULL or both be non-NULL).
		186	*
		187	* RETURNS:
		188	* True if the plane is being disabled, false otherwise.
		189	*/
		190	static inline bool
		191	drm_atomic_plane_disabling(struct drm_plane *plane,
		192	struct drm_plane_state *old_state)
		193	{
		194	/*
		195	* When disabling a plane, CRTC and FB should always be NULL together.
		196	* Anything else should be considered a bug in the atomic core, so we
		197	* gently warn about it.
		198	*/
		199	WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) \|\|
		200	(plane->state->crtc != NULL && plane->state->fb == NULL));
		201
		202	/*
		203	* When using the transitional helpers, old_state may be NULL. If so,
		204	* we know nothing about the current state and have to assume that it
		205	* might be enabled.
		206	*
		207	* When using the atomic helpers, old_state won't be NULL. Therefore
		208	* this check assumes that either the driver will have reconstructed
		209	* the correct state in ->reset() or that the driver will have taken
		210	* appropriate measures to disable all planes.
		211	*/
		212	return (!old_state \|\| old_state->crtc) && !plane->state->crtc;
		213	}
		214
5270	serge	215	#endif /* DRM_ATOMIC_HELPER_H_ */

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(root)/drivers/include/drm/drm_atomic_helper.h – Rev 7143