36  * struct drm_encoder_funcs - encoder controls
44 	 * Reset encoder hardware and software state to off. This function isn't
48 	void (*reset)(struct drm_encoder *encoder);
53 	 * Clean up encoder resources. This is only called at driver unload time
54 	 * through drm_mode_config_cleanup() since an encoder cannot be
57 	void (*destroy)(struct drm_encoder *encoder);
63 	 * interfaces attached to the encoder like debugfs interfaces.
72 	int (*late_register)(struct drm_encoder *encoder);
78 	 * userspace interfaces attached to the encoder from
83 	void (*early_unregister)(struct drm_encoder *encoder);
87  * struct drm_encoder - central DRM encoder structure
92  * @bridge: bridge associated to the encoder
109 	 * encoder types are defined thus far:
129 	 *   mutliple DP MST streams to share one physical encoder.
135 	 * index. It is invariant over the lifetime of the encoder.
142 	 * the bits for all &drm_crtc objects this encoder can be connected to
156 	 * &drm_crtc together with this encoder before calling
158 	 * encoder itself, too. Cloning bits should be set such that when two
164 	 * automagically fix this up by setting the bit for the encoder itself.
168 	 * Note that since encoder objects can't be hotplugged the assigned indices
181 	 * @bridge_chain: Bridges attached to this encoder. Drivers shall not
194 		     struct drm_encoder *encoder,
199  * drm_encoder_index - find the index of a registered encoder
200  * @encoder: encoder to find index for
202  * Given a registered encoder, return the index of that encoder within a DRM
205 static inline unsigned int drm_encoder_index(const struct drm_encoder *encoder)  in drm_encoder_index()  argument
207 	return encoder->index;  in drm_encoder_index()
211  * drm_encoder_mask - find the mask of a registered encoder
212  * @encoder: encoder to find mask for
214  * Given a registered encoder, return the mask bit of that encoder for an
215  * encoder's possible_clones field.
217 static inline u32 drm_encoder_mask(const struct drm_encoder *encoder)  in drm_encoder_mask()  argument
219 	return 1 << drm_encoder_index(encoder);  in drm_encoder_mask()
223  * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
224  * @encoder: encoder to test
227  * Returns false if @encoder can't be driven by @crtc, true otherwise.
229 static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,  in drm_encoder_crtc_ok()  argument
232 	return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));  in drm_encoder_crtc_ok()
239  * @id: encoder id
241  * Returns the encoder with @id, NULL if it doesn't exist. Simple wrapper around
255 void drm_encoder_cleanup(struct drm_encoder *encoder);
259  * @encoder: the loop cursor
261  * @encoder_mask: bitmask of encoder indices
265 #define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \  argument
266 	list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \
267 		for_each_if ((encoder_mask) & drm_encoder_mask(encoder))
271  * @encoder: the loop cursor
276 #define drm_for_each_encoder(encoder, dev) \  argument
277 	list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head)