xref: /linux/drivers/gpu/drm/amd/display/dc/dc_stream.h (revision 81aa6f190aa0e9ff752fcd0a9eda676458e23133)
1 /*
2  * Copyright 2012-14 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef DC_STREAM_H_
27 #define DC_STREAM_H_
28 
29 #include "dc_types.h"
30 #include "grph_object_defs.h"
31 
32 /*******************************************************************************
33  * Stream Interfaces
34  ******************************************************************************/
35 struct timing_sync_info {
36 	int group_id;
37 	int group_size;
38 	bool master;
39 };
40 
41 struct mall_stream_config {
42 	/* MALL stream config to indicate if the stream is phantom or not.
43 	 * We will use a phantom stream to indicate that the pipe is phantom.
44 	 */
45 	enum mall_stream_type type;
46 	struct dc_stream_state *paired_stream;	// master / slave stream
47 	bool subvp_limit_cursor_size; /* stream has/is using subvp limiting hw cursor support */
48 	bool cursor_size_limit_subvp; /* stream is using hw cursor config preventing subvp */
49 };
50 
51 struct dc_stream_status {
52 	int primary_otg_inst;
53 	int stream_enc_inst;
54 
55 	/**
56 	 * @plane_count: Total of planes attached to a single stream
57 	 */
58 	int plane_count;
59 	int audio_inst;
60 	struct timing_sync_info timing_sync_info;
61 	struct dc_plane_state *plane_states[MAX_SURFACES];
62 	bool is_abm_supported;
63 	struct mall_stream_config mall_stream_config;
64 	bool fpo_in_use;
65 };
66 
67 
68 struct dc_writeback_info {
69 	bool wb_enabled;
70 	int dwb_pipe_inst;
71 	struct dc_dwb_params dwb_params;
72 	struct mcif_buf_params mcif_buf_params;
73 	struct mcif_warmup_params mcif_warmup_params;
74 	/* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
75 	struct dc_plane_state *writeback_source_plane;
76 	/* source MPCC instance.  for use by internally by dc */
77 	int mpcc_inst;
78 };
79 
80 struct dc_writeback_update {
81 	unsigned int num_wb_info;
82 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
83 };
84 
85 enum vertical_interrupt_ref_point {
86 	START_V_UPDATE = 0,
87 	START_V_SYNC,
88 	INVALID_POINT
89 
90 	//For now, only v_update interrupt is used.
91 	//START_V_BLANK,
92 	//START_V_ACTIVE
93 };
94 
95 struct periodic_interrupt_config {
96 	enum vertical_interrupt_ref_point ref_point;
97 	int lines_offset;
98 };
99 
100 struct dc_mst_stream_bw_update {
101 	bool is_increase; // is bandwidth reduced or increased
102 	uint32_t mst_stream_bw; // new mst bandwidth in kbps
103 };
104 
105 union stream_update_flags {
106 	struct {
107 		uint32_t scaling:1;
108 		uint32_t out_tf:1;
109 		uint32_t out_csc:1;
110 		uint32_t abm_level:1;
111 		uint32_t dpms_off:1;
112 		uint32_t gamut_remap:1;
113 		uint32_t wb_update:1;
114 		uint32_t dsc_changed : 1;
115 		uint32_t mst_bw : 1;
116 		uint32_t crtc_timing_adjust : 1;
117 		uint32_t fams_changed : 1;
118 		uint32_t scaler_sharpener : 1;
119 		uint32_t sharpening_required : 1;
120 		uint32_t cursor_attr : 1;
121 		uint32_t cursor_pos : 1;
122 		uint32_t periodic_interrupt : 1;
123 		uint32_t info_frame : 1;
124 		uint32_t dmdata : 1;
125 		uint32_t dither : 1;
126 	} bits;
127 
128 	uint32_t raw;
129 };
130 
131 static inline void stream_update_flags_clear(union stream_update_flags *flags)
132 {
133 	flags->raw = 0;
134 }
135 
136 static inline void stream_update_flags_set_full(union stream_update_flags *flags)
137 {
138 	stream_update_flags_clear(flags);
139 	flags->bits.scaling = 1;
140 	flags->bits.out_tf = 1;
141 	flags->bits.out_csc = 1;
142 	flags->bits.abm_level = 1;
143 	flags->bits.dpms_off = 1;
144 	flags->bits.gamut_remap = 1;
145 	flags->bits.wb_update = 1;
146 	flags->bits.dsc_changed = 1;
147 	flags->bits.mst_bw = 1;
148 	flags->bits.crtc_timing_adjust = 1;
149 	flags->bits.fams_changed = 1;
150 	flags->bits.scaler_sharpener = 1;
151 	flags->bits.sharpening_required = 1;
152 	flags->bits.cursor_attr = 1;
153 	flags->bits.cursor_pos = 1;
154 	flags->bits.periodic_interrupt = 1;
155 	flags->bits.info_frame = 1;
156 	flags->bits.dmdata = 1;
157 	flags->bits.dither = 1;
158 }
159 
160 struct test_pattern {
161 	enum dp_test_pattern type;
162 	enum dp_test_pattern_color_space color_space;
163 	struct link_training_settings const *p_link_settings;
164 	unsigned char const *p_custom_pattern;
165 	unsigned int cust_pattern_size;
166 };
167 
168 #define SUBVP_DRR_MARGIN_US 100 // 100us for DRR margin (SubVP + DRR)
169 
170 struct dc_stream_debug_options {
171 	uint8_t force_odm_combine_segments;
172 	/*
173 	 * When force_odm_combine_segments is non zero, allow dc to
174 	 * temporarily transition to ODM bypass when minimal transition state
175 	 * is required to prevent visual glitches showing on the screen
176 	 */
177 	uint8_t allow_transition_for_forced_odm;
178 };
179 
180 #define LUMINANCE_DATA_TABLE_SIZE 10
181 
182 struct luminance_data {
183 	bool is_valid;
184 	int refresh_rate_hz[LUMINANCE_DATA_TABLE_SIZE];
185 	int luminance_millinits[LUMINANCE_DATA_TABLE_SIZE];
186 	int flicker_criteria_milli_nits_GAMING;
187 	int flicker_criteria_milli_nits_STATIC;
188 	unsigned int nominal_refresh_rate;
189 	unsigned int dm_max_decrease_from_nominal;
190 };
191 
192 enum dc_drr_trigger_mode {
193 	DRR_TRIGGER_ON_FLIP = 0,
194 	DRR_TRIGGER_ON_FLIP_AND_CURSOR,
195 };
196 
197 struct dc_stream_state {
198 	// sink is deprecated, new code should not reference
199 	// this pointer
200 	struct dc_sink *sink;
201 
202 	struct dc_link *link;
203 	/* For dynamic link encoder assignment, update the link encoder assigned to
204 	 * a stream via the volatile dc_state rather than the static dc_link.
205 	 */
206 	struct link_encoder *link_enc;
207 	struct dc_stream_debug_options debug;
208 	struct dc_panel_patch sink_patches;
209 	struct dc_crtc_timing timing;
210 	struct dc_crtc_timing_adjust adjust;
211 	struct dc_info_packet vrr_infopacket;
212 	struct dc_info_packet vsc_infopacket;
213 	struct dc_info_packet vsp_infopacket;
214 	struct dc_info_packet hfvsif_infopacket;
215 	struct dc_info_packet vtem_infopacket;
216 	struct dc_info_packet adaptive_sync_infopacket;
217 	struct dc_info_packet avi_infopacket;
218 	uint8_t dsc_packed_pps[128];
219 	struct rect src; /* composition area */
220 	struct rect dst; /* stream addressable area */
221 
222 	struct audio_info audio_info;
223 
224 	struct dc_info_packet hdr_static_metadata;
225 	PHYSICAL_ADDRESS_LOC dmdata_address;
226 	bool   use_dynamic_meta;
227 
228 	struct dc_transfer_func out_transfer_func;
229 	struct colorspace_transform gamut_remap_matrix;
230 	struct dc_csc_transform csc_color_matrix;
231 
232 	enum dc_color_space output_color_space;
233 	enum display_content_type content_type;
234 	enum dc_dither_option dither_option;
235 
236 	enum view_3d_format view_format;
237 
238 	bool use_vsc_sdp_for_colorimetry;
239 	bool ignore_msa_timing_param;
240 
241 	/**
242 	 * @allow_freesync:
243 	 *
244 	 * It say if Freesync is enabled or not.
245 	 */
246 	bool allow_freesync;
247 
248 	/**
249 	 * @vrr_active_variable:
250 	 *
251 	 * It describes if VRR is in use.
252 	 */
253 	bool vrr_active_variable;
254 	bool freesync_on_desktop;
255 	bool vrr_active_fixed;
256 
257 	bool converter_disable_audio;
258 	uint8_t qs_bit;
259 	uint8_t qy_bit;
260 
261 	/* TODO: custom INFO packets */
262 	/* TODO: ABM info (DMCU) */
263 	/* TODO: CEA VIC */
264 
265 	/* DMCU info */
266 	unsigned int abm_level;
267 
268 	struct periodic_interrupt_config periodic_interrupt;
269 
270 	/* from core_stream struct */
271 	struct dc_context *ctx;
272 
273 	/* used by DCP and FMT */
274 	struct bit_depth_reduction_params bit_depth_params;
275 	struct clamping_and_pixel_encoding_params clamping;
276 
277 	int phy_pix_clk;
278 	enum signal_type signal;
279 	bool dpms_off;
280 
281 	void *dm_stream_context;
282 
283 	struct dc_cursor_attributes cursor_attributes;
284 	struct dc_cursor_position cursor_position;
285 	bool hw_cursor_req;
286 
287 	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
288 
289 	/* from stream struct */
290 	struct kref refcount;
291 
292 	struct crtc_trigger_info triggered_crtc_reset;
293 
294 	/* writeback */
295 	unsigned int num_wb_info;
296 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
297 	const struct dc_transfer_func *func_shaper;
298 	const struct dc_3dlut *lut3d_func;
299 	/* Computed state bits */
300 	bool mode_changed : 1;
301 
302 	/* Output from DC when stream state is committed or altered
303 	 * DC may only access these values during:
304 	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
305 	 * values may not change outside of those calls
306 	 */
307 	struct {
308 		// For interrupt management, some hardware instance
309 		// offsets need to be exposed to DM
310 		uint8_t otg_offset;
311 	} out;
312 
313 	bool apply_edp_fast_boot_optimization;
314 	bool apply_seamless_boot_optimization;
315 	uint32_t apply_boot_odm_mode;
316 
317 	uint32_t stream_id;
318 
319 	struct test_pattern test_pattern;
320 	union stream_update_flags update_flags;
321 
322 	bool has_non_synchronizable_pclk;
323 	bool vblank_synchronized;
324 	bool is_phantom;
325 
326 	struct luminance_data lumin_data;
327 	bool scaler_sharpener_update;
328 	bool sharpening_required;
329 
330 	enum dc_drr_trigger_mode drr_trigger_mode;
331 
332 	struct dc_update_scratch_space *update_scratch;
333 	bool firmware_controlled_hdr_info_packet;
334 };
335 
336 #define ABM_LEVEL_IMMEDIATE_DISABLE 255
337 
338 struct dc_stream_update {
339 	struct dc_stream_state *stream;
340 
341 	struct rect src;
342 	struct rect dst;
343 	struct dc_transfer_func *out_transfer_func;
344 	struct dc_info_packet *hdr_static_metadata;
345 	unsigned int *abm_level;
346 
347 	struct periodic_interrupt_config *periodic_interrupt;
348 
349 	struct dc_info_packet *vrr_infopacket;
350 	struct dc_info_packet *vsc_infopacket;
351 	struct dc_info_packet *vsp_infopacket;
352 	struct dc_info_packet *hfvsif_infopacket;
353 	struct dc_info_packet *vtem_infopacket;
354 	struct dc_info_packet *adaptive_sync_infopacket;
355 	struct dc_info_packet *avi_infopacket;
356 
357 	bool *dpms_off;
358 	bool integer_scaling_update;
359 	bool *allow_freesync;
360 	bool *vrr_active_variable;
361 	bool *vrr_active_fixed;
362 
363 	struct colorspace_transform *gamut_remap;
364 	enum dc_color_space *output_color_space;
365 	enum dc_dither_option *dither_option;
366 
367 	struct dc_csc_transform *output_csc_transform;
368 
369 	struct dc_writeback_update *wb_update;
370 	struct dc_dsc_config *dsc_config;
371 	struct dc_mst_stream_bw_update *mst_bw_update;
372 	struct dc_transfer_func *func_shaper;
373 	struct dc_3dlut *lut3d_func;
374 
375 	struct test_pattern *pending_test_pattern;
376 	struct dc_crtc_timing_adjust *crtc_timing_adjust;
377 
378 	struct dc_cursor_attributes *cursor_attributes;
379 	struct dc_cursor_position *cursor_position;
380 	bool *hw_cursor_req;
381 	bool *scaler_sharpener_update;
382 	bool *sharpening_required;
383 
384 	enum dc_drr_trigger_mode *drr_trigger_mode;
385 };
386 
387 bool dc_is_stream_unchanged(
388 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
389 bool dc_is_stream_scaling_unchanged(
390 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
391 
392 /*
393  * Setup stream attributes if no stream updates are provided
394  * there will be no impact on the stream parameters
395  *
396  * Set up surface attributes and associate to a stream
397  * The surfaces parameter is an absolute set of all surface active for the stream.
398  * If no surfaces are provided, the stream will be blanked; no memory read.
399  * Any flip related attribute changes must be done through this interface.
400  *
401  * After this call:
402  *   Surfaces attributes are programmed and configured to be composed into stream.
403  *   This does not trigger a flip.  No surface address is programmed.
404  *
405  */
406 bool dc_update_planes_and_stream(struct dc *dc,
407 		struct dc_surface_update *surface_updates, int surface_count,
408 		struct dc_stream_state *dc_stream,
409 		struct dc_stream_update *stream_update);
410 
411 struct dc_update_scratch_space;
412 
413 size_t dc_update_scratch_space_size(void);
414 
415 struct dc_update_scratch_space *dc_update_planes_and_stream_init(
416 		struct dc *dc,
417 		struct dc_surface_update *surface_updates,
418 		int surface_count,
419 		struct dc_stream_state *dc_stream,
420 		struct dc_stream_update *stream_update
421 );
422 
423 // Locked, false is failed
424 bool dc_update_planes_and_stream_prepare(
425 		struct dc_update_scratch_space *scratch
426 );
427 
428 // Unlocked
429 void dc_update_planes_and_stream_execute(
430 		const struct dc_update_scratch_space *scratch
431 );
432 
433 // Locked, true if call again
434 bool dc_update_planes_and_stream_cleanup(
435 		struct dc_update_scratch_space *scratch
436 );
437 
438 /*
439  * Set up surface attributes and associate to a stream
440  * The surfaces parameter is an absolute set of all surface active for the stream.
441  * If no surfaces are provided, the stream will be blanked; no memory read.
442  * Any flip related attribute changes must be done through this interface.
443  *
444  * After this call:
445  *   Surfaces attributes are programmed and configured to be composed into stream.
446  *   This does not trigger a flip.  No surface address is programmed.
447  */
448 void dc_commit_updates_for_stream(struct dc *dc,
449 		struct dc_surface_update *srf_updates,
450 		int surface_count,
451 		struct dc_stream_state *stream,
452 		struct dc_stream_update *stream_update,
453 		struct dc_state *state);
454 /*
455  * Log the current stream state.
456  */
457 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
458 
459 uint8_t dc_get_current_stream_count(struct dc *dc);
460 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
461 
462 /*
463  * Return the current frame counter.
464  */
465 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
466 
467 /*
468  * Send dp sdp message.
469  */
470 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
471 		const uint8_t *custom_sdp_message,
472 		unsigned int sdp_message_size);
473 
474 /* TODO: Return parsed values rather than direct register read
475  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
476  * being refactored properly to be dce-specific
477  */
478 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
479 				  uint32_t *v_blank_start,
480 				  uint32_t *v_blank_end,
481 				  uint32_t *h_position,
482 				  uint32_t *v_position);
483 
484 bool dc_stream_add_writeback(struct dc *dc,
485 		struct dc_stream_state *stream,
486 		struct dc_writeback_info *wb_info);
487 
488 bool dc_stream_fc_disable_writeback(struct dc *dc,
489 		struct dc_stream_state *stream,
490 		uint32_t dwb_pipe_inst);
491 
492 bool dc_stream_remove_writeback(struct dc *dc,
493 		struct dc_stream_state *stream,
494 		uint32_t dwb_pipe_inst);
495 
496 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
497 		struct dc_state *state,
498 		struct dc_stream_state *stream);
499 
500 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
501 
502 bool dc_stream_set_dynamic_metadata(struct dc *dc,
503 		struct dc_stream_state *stream,
504 		struct dc_dmdata_attributes *dmdata_attr);
505 
506 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
507 
508 /*
509  * Enable stereo when commit_streams is not required,
510  * for example, frame alternate.
511  */
512 void dc_enable_stereo(
513 	struct dc *dc,
514 	struct dc_state *context,
515 	struct dc_stream_state *streams[],
516 	uint8_t stream_count);
517 
518 /* Triggers multi-stream synchronization. */
519 void dc_trigger_sync(struct dc *dc, struct dc_state *context);
520 
521 struct surface_update_descriptor dc_check_update_surfaces_for_stream(
522 		const struct dc_check_config *check_config,
523 		struct dc_surface_update *updates,
524 		int surface_count,
525 		struct dc_stream_update *stream_update);
526 
527 struct dc_link *dc_stream_get_link(
528 	const struct dc_stream_state *dc_stream);
529 
530 /**
531  * Create a new default stream for the requested sink
532  */
533 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
534 
535 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
536 
537 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
538 
539 void dc_stream_retain(struct dc_stream_state *dc_stream);
540 void dc_stream_release(struct dc_stream_state *dc_stream);
541 
542 struct dc_stream_status *dc_stream_get_status(struct dc_stream_state *dc_stream);
543 const struct dc_stream_status *dc_stream_get_status_const(const struct dc_stream_state *dc_stream);
544 
545 /*******************************************************************************
546  * Cursor interfaces - To manages the cursor within a stream
547  ******************************************************************************/
548 /* TODO: Deprecated once we switch to dc_set_cursor_position */
549 
550 void program_cursor_attributes(
551 	struct dc *dc,
552 	struct dc_stream_state *stream);
553 
554 void program_cursor_position(
555 	struct dc *dc,
556 	struct dc_stream_state *stream);
557 
558 bool dc_stream_check_cursor_attributes(
559 	const struct dc_stream_state *stream,
560 	struct dc_state *state,
561 	const struct dc_cursor_attributes *attributes);
562 
563 bool dc_stream_set_cursor_attributes(
564 	struct dc_stream_state *stream,
565 	const struct dc_cursor_attributes *attributes);
566 
567 bool dc_stream_program_cursor_attributes(
568 	struct dc_stream_state *stream,
569 	const struct dc_cursor_attributes *attributes);
570 
571 bool dc_stream_set_cursor_position(
572 	struct dc_stream_state *stream,
573 	const struct dc_cursor_position *position);
574 
575 bool dc_stream_program_cursor_position(
576 	struct dc_stream_state *stream,
577 	const struct dc_cursor_position *position);
578 
579 
580 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
581 				struct dc_stream_state *stream,
582 				struct dc_crtc_timing_adjust *adjust);
583 
584 bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
585 		struct dc_stream_state *stream,
586 		uint32_t *refresh_rate);
587 
588 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
589 bool dc_stream_forward_crc_window(struct dc_stream_state *stream,
590 		struct rect *rect,
591 		uint8_t phy_id,
592 		bool is_stop);
593 
594 bool dc_stream_forward_multiple_crc_window(struct dc_stream_state *stream,
595 		struct crc_window *window,
596 		uint8_t phy_id,
597 		bool stop);
598 #endif
599 
600 bool dc_stream_configure_crc(struct dc *dc,
601 			     struct dc_stream_state *stream,
602 			     struct crc_params *crc_window,
603 			     bool enable,
604 			     bool continuous,
605 			     uint8_t idx,
606 			     bool reset,
607 			     enum crc_poly_mode crc_poly_mode);
608 
609 bool dc_stream_get_crc(struct dc *dc,
610 		       struct dc_stream_state *stream,
611 		       uint8_t idx,
612 		       uint32_t *r_cr,
613 		       uint32_t *g_y,
614 		       uint32_t *b_cb);
615 
616 void dc_stream_set_static_screen_params(struct dc *dc,
617 					struct dc_stream_state **stream,
618 					int num_streams,
619 					const struct dc_static_screen_params *params);
620 
621 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
622 		enum dc_dynamic_expansion option);
623 
624 void dc_stream_set_dither_option(struct dc_stream_state *stream,
625 				 enum dc_dither_option option);
626 
627 bool dc_stream_set_gamut_remap(struct dc *dc,
628 			       const struct dc_stream_state *stream);
629 
630 bool dc_stream_program_csc_matrix(struct dc *dc,
631 				  struct dc_stream_state *stream);
632 
633 struct dc_rmcm_3dlut *dc_stream_get_3dlut_for_stream(
634 	const struct dc *dc,
635 	const struct dc_stream_state *stream,
636 	bool allocate_one);
637 
638 void dc_stream_release_3dlut_for_stream(
639 	const struct dc *dc,
640 	const struct dc_stream_state *stream);
641 
642 void dc_stream_init_rmcm_3dlut(struct dc *dc);
643 
644 struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);
645 
646 void dc_dmub_update_dirty_rect(struct dc *dc,
647 			       int surface_count,
648 			       struct dc_stream_state *stream,
649 			       const struct dc_surface_update *srf_updates,
650 			       struct dc_state *context);
651 
652 bool dc_stream_is_cursor_limit_pending(struct dc *dc, struct dc_stream_state *stream);
653 bool dc_stream_can_clear_cursor_limit(struct dc *dc, struct dc_stream_state *stream);
654 
655 #endif /* DC_STREAM_H_ */
656