1  /*
2   * Copyright 2015 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  #include "dm_services.h"
27  #include "core_types.h"
28  #include "timing_generator.h"
29  #include "hw_sequencer.h"
30  #include "hw_sequencer_private.h"
31  #include "basics/dc_common.h"
32  #include "resource.h"
33  #include "dc_dmub_srv.h"
34  #include "dc_state_priv.h"
35  
36  #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
37  
38  /* used as index in array of black_color_format */
39  enum black_color_format {
40  	BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0,
41  	BLACK_COLOR_FORMAT_RGB_LIMITED,
42  	BLACK_COLOR_FORMAT_YUV_TV,
43  	BLACK_COLOR_FORMAT_YUV_CV,
44  	BLACK_COLOR_FORMAT_YUV_SUPER_AA,
45  	BLACK_COLOR_FORMAT_DEBUG,
46  };
47  
48  enum dc_color_space_type {
49  	COLOR_SPACE_RGB_TYPE,
50  	COLOR_SPACE_RGB_LIMITED_TYPE,
51  	COLOR_SPACE_YCBCR601_TYPE,
52  	COLOR_SPACE_YCBCR709_TYPE,
53  	COLOR_SPACE_YCBCR2020_TYPE,
54  	COLOR_SPACE_YCBCR601_LIMITED_TYPE,
55  	COLOR_SPACE_YCBCR709_LIMITED_TYPE,
56  	COLOR_SPACE_YCBCR709_BLACK_TYPE,
57  };
58  
59  static const struct tg_color black_color_format[] = {
60  	/* BlackColorFormat_RGB_FullRange */
61  	{0, 0, 0},
62  	/* BlackColorFormat_RGB_Limited */
63  	{0x40, 0x40, 0x40},
64  	/* BlackColorFormat_YUV_TV */
65  	{0x200, 0x40, 0x200},
66  	/* BlackColorFormat_YUV_CV */
67  	{0x1f4, 0x40, 0x1f4},
68  	/* BlackColorFormat_YUV_SuperAA */
69  	{0x1a2, 0x20, 0x1a2},
70  	/* visual confirm debug */
71  	{0xff, 0xff, 0},
72  };
73  
74  struct out_csc_color_matrix_type {
75  	enum dc_color_space_type color_space_type;
76  	uint16_t regval[12];
77  };
78  
79  static const struct out_csc_color_matrix_type output_csc_matrix[] = {
80  	{ COLOR_SPACE_RGB_TYPE,
81  		{ 0x2000, 0,      0,      0,
82  		  0,      0x2000, 0,      0,
83  		  0,      0,      0x2000, 0} },
84  	{ COLOR_SPACE_RGB_LIMITED_TYPE,
85  		{ 0x1B67, 0,      0,      0x201,
86  		  0,      0x1B67, 0,      0x201,
87  		  0,      0,      0x1B67, 0x201} },
88  	{ COLOR_SPACE_YCBCR601_TYPE,
89  		{ 0xE04,  0xF444, 0xFDB9, 0x1004,
90  		  0x831,  0x1016, 0x320,  0x201,
91  		  0xFB45, 0xF6B7, 0xE04,  0x1004} },
92  	{ COLOR_SPACE_YCBCR709_TYPE,
93  		{ 0xE04,  0xF345, 0xFEB7, 0x1004,
94  		  0x5D3,  0x1399, 0x1FA,  0x201,
95  		  0xFCCA, 0xF533, 0xE04,  0x1004} },
96  	/* TODO: correct values below */
97  	{ COLOR_SPACE_YCBCR601_LIMITED_TYPE,
98  		{ 0xE00,  0xF447, 0xFDB9, 0x1000,
99  		  0x991,  0x12C9, 0x3A6,  0x200,
100  		  0xFB47, 0xF6B9, 0xE00,  0x1000} },
101  	{ COLOR_SPACE_YCBCR709_LIMITED_TYPE,
102  		{ 0xE00, 0xF349, 0xFEB7, 0x1000,
103  		  0x6CE, 0x16E3, 0x24F,  0x200,
104  		  0xFCCB, 0xF535, 0xE00, 0x1000} },
105  	{ COLOR_SPACE_YCBCR2020_TYPE,
106  		{ 0x1000, 0xF149, 0xFEB7, 0x1004,
107  		  0x0868, 0x15B2, 0x01E6, 0x201,
108  		  0xFB88, 0xF478, 0x1000, 0x1004} },
109  	{ COLOR_SPACE_YCBCR709_BLACK_TYPE,
110  		{ 0x0000, 0x0000, 0x0000, 0x1000,
111  		  0x0000, 0x0000, 0x0000, 0x0200,
112  		  0x0000, 0x0000, 0x0000, 0x1000} },
113  };
114  
is_rgb_type(enum dc_color_space color_space)115  static bool is_rgb_type(
116  		enum dc_color_space color_space)
117  {
118  	bool ret = false;
119  
120  	if (color_space == COLOR_SPACE_SRGB			||
121  		color_space == COLOR_SPACE_XR_RGB		||
122  		color_space == COLOR_SPACE_MSREF_SCRGB		||
123  		color_space == COLOR_SPACE_2020_RGB_FULLRANGE	||
124  		color_space == COLOR_SPACE_ADOBERGB		||
125  		color_space == COLOR_SPACE_DCIP3	||
126  		color_space == COLOR_SPACE_DOLBYVISION)
127  		ret = true;
128  	return ret;
129  }
130  
is_rgb_limited_type(enum dc_color_space color_space)131  static bool is_rgb_limited_type(
132  		enum dc_color_space color_space)
133  {
134  	bool ret = false;
135  
136  	if (color_space == COLOR_SPACE_SRGB_LIMITED		||
137  		color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)
138  		ret = true;
139  	return ret;
140  }
141  
is_ycbcr601_type(enum dc_color_space color_space)142  static bool is_ycbcr601_type(
143  		enum dc_color_space color_space)
144  {
145  	bool ret = false;
146  
147  	if (color_space == COLOR_SPACE_YCBCR601	||
148  		color_space == COLOR_SPACE_XV_YCC_601)
149  		ret = true;
150  	return ret;
151  }
152  
is_ycbcr601_limited_type(enum dc_color_space color_space)153  static bool is_ycbcr601_limited_type(
154  		enum dc_color_space color_space)
155  {
156  	bool ret = false;
157  
158  	if (color_space == COLOR_SPACE_YCBCR601_LIMITED)
159  		ret = true;
160  	return ret;
161  }
162  
is_ycbcr709_type(enum dc_color_space color_space)163  static bool is_ycbcr709_type(
164  		enum dc_color_space color_space)
165  {
166  	bool ret = false;
167  
168  	if (color_space == COLOR_SPACE_YCBCR709	||
169  		color_space == COLOR_SPACE_XV_YCC_709)
170  		ret = true;
171  	return ret;
172  }
173  
is_ycbcr2020_type(enum dc_color_space color_space)174  static bool is_ycbcr2020_type(
175  	enum dc_color_space color_space)
176  {
177  	bool ret = false;
178  
179  	if (color_space == COLOR_SPACE_2020_YCBCR)
180  		ret = true;
181  	return ret;
182  }
183  
is_ycbcr709_limited_type(enum dc_color_space color_space)184  static bool is_ycbcr709_limited_type(
185  		enum dc_color_space color_space)
186  {
187  	bool ret = false;
188  
189  	if (color_space == COLOR_SPACE_YCBCR709_LIMITED)
190  		ret = true;
191  	return ret;
192  }
193  
get_color_space_type(enum dc_color_space color_space)194  static enum dc_color_space_type get_color_space_type(enum dc_color_space color_space)
195  {
196  	enum dc_color_space_type type = COLOR_SPACE_RGB_TYPE;
197  
198  	if (is_rgb_type(color_space))
199  		type = COLOR_SPACE_RGB_TYPE;
200  	else if (is_rgb_limited_type(color_space))
201  		type = COLOR_SPACE_RGB_LIMITED_TYPE;
202  	else if (is_ycbcr601_type(color_space))
203  		type = COLOR_SPACE_YCBCR601_TYPE;
204  	else if (is_ycbcr709_type(color_space))
205  		type = COLOR_SPACE_YCBCR709_TYPE;
206  	else if (is_ycbcr601_limited_type(color_space))
207  		type = COLOR_SPACE_YCBCR601_LIMITED_TYPE;
208  	else if (is_ycbcr709_limited_type(color_space))
209  		type = COLOR_SPACE_YCBCR709_LIMITED_TYPE;
210  	else if (is_ycbcr2020_type(color_space))
211  		type = COLOR_SPACE_YCBCR2020_TYPE;
212  	else if (color_space == COLOR_SPACE_YCBCR709)
213  		type = COLOR_SPACE_YCBCR709_BLACK_TYPE;
214  	else if (color_space == COLOR_SPACE_YCBCR709_BLACK)
215  		type = COLOR_SPACE_YCBCR709_BLACK_TYPE;
216  	return type;
217  }
218  
find_color_matrix(enum dc_color_space color_space,uint32_t * array_size)219  const uint16_t *find_color_matrix(enum dc_color_space color_space,
220  							uint32_t *array_size)
221  {
222  	int i;
223  	enum dc_color_space_type type;
224  	const uint16_t *val = NULL;
225  	int arr_size = NUM_ELEMENTS(output_csc_matrix);
226  
227  	type = get_color_space_type(color_space);
228  	for (i = 0; i < arr_size; i++)
229  		if (output_csc_matrix[i].color_space_type == type) {
230  			val = output_csc_matrix[i].regval;
231  			*array_size = 12;
232  			break;
233  		}
234  
235  	return val;
236  }
237  
238  
color_space_to_black_color(const struct dc * dc,enum dc_color_space colorspace,struct tg_color * black_color)239  void color_space_to_black_color(
240  	const struct dc *dc,
241  	enum dc_color_space colorspace,
242  	struct tg_color *black_color)
243  {
244  	switch (colorspace) {
245  	case COLOR_SPACE_YCBCR601:
246  	case COLOR_SPACE_YCBCR709:
247  	case COLOR_SPACE_YCBCR709_BLACK:
248  	case COLOR_SPACE_YCBCR601_LIMITED:
249  	case COLOR_SPACE_YCBCR709_LIMITED:
250  	case COLOR_SPACE_2020_YCBCR:
251  		*black_color = black_color_format[BLACK_COLOR_FORMAT_YUV_CV];
252  		break;
253  
254  	case COLOR_SPACE_SRGB_LIMITED:
255  		*black_color =
256  			black_color_format[BLACK_COLOR_FORMAT_RGB_LIMITED];
257  		break;
258  
259  	/**
260  	 * Remove default and add case for all color space
261  	 * so when we forget to add new color space
262  	 * compiler will give a warning
263  	 */
264  	case COLOR_SPACE_UNKNOWN:
265  	case COLOR_SPACE_SRGB:
266  	case COLOR_SPACE_XR_RGB:
267  	case COLOR_SPACE_MSREF_SCRGB:
268  	case COLOR_SPACE_XV_YCC_709:
269  	case COLOR_SPACE_XV_YCC_601:
270  	case COLOR_SPACE_2020_RGB_FULLRANGE:
271  	case COLOR_SPACE_2020_RGB_LIMITEDRANGE:
272  	case COLOR_SPACE_ADOBERGB:
273  	case COLOR_SPACE_DCIP3:
274  	case COLOR_SPACE_DISPLAYNATIVE:
275  	case COLOR_SPACE_DOLBYVISION:
276  	case COLOR_SPACE_APPCTRL:
277  	case COLOR_SPACE_CUSTOMPOINTS:
278  		/* fefault is sRGB black (full range). */
279  		*black_color =
280  			black_color_format[BLACK_COLOR_FORMAT_RGB_FULLRANGE];
281  		/* default is sRGB black 0. */
282  		break;
283  	}
284  }
285  
hwss_wait_for_blank_complete(struct timing_generator * tg)286  bool hwss_wait_for_blank_complete(
287  		struct timing_generator *tg)
288  {
289  	int counter;
290  
291  	/* Not applicable if the pipe is not primary, save 300ms of boot time */
292  	if (!tg->funcs->is_blanked)
293  		return true;
294  	for (counter = 0; counter < 100; counter++) {
295  		if (tg->funcs->is_blanked(tg))
296  			break;
297  
298  		msleep(1);
299  	}
300  
301  	if (counter == 100) {
302  		dm_error("DC: failed to blank crtc!\n");
303  		return false;
304  	}
305  
306  	return true;
307  }
308  
get_mpctree_visual_confirm_color(struct pipe_ctx * pipe_ctx,struct tg_color * color)309  void get_mpctree_visual_confirm_color(
310  		struct pipe_ctx *pipe_ctx,
311  		struct tg_color *color)
312  {
313  	const struct tg_color pipe_colors[6] = {
314  			{MAX_TG_COLOR_VALUE, 0, 0}, /* red */
315  			{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE / 4, 0}, /* orange */
316  			{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE, 0}, /* yellow */
317  			{0, MAX_TG_COLOR_VALUE, 0}, /* green */
318  			{0, 0, MAX_TG_COLOR_VALUE}, /* blue */
319  			{MAX_TG_COLOR_VALUE / 2, 0, MAX_TG_COLOR_VALUE / 2}, /* purple */
320  	};
321  
322  	struct pipe_ctx *top_pipe = pipe_ctx;
323  
324  	while (top_pipe->top_pipe)
325  		top_pipe = top_pipe->top_pipe;
326  
327  	*color = pipe_colors[top_pipe->pipe_idx];
328  }
329  
get_surface_visual_confirm_color(const struct pipe_ctx * pipe_ctx,struct tg_color * color)330  void get_surface_visual_confirm_color(
331  		const struct pipe_ctx *pipe_ctx,
332  		struct tg_color *color)
333  {
334  	uint32_t color_value = MAX_TG_COLOR_VALUE;
335  
336  	switch (pipe_ctx->plane_res.scl_data.format) {
337  	case PIXEL_FORMAT_ARGB8888:
338  		/* set border color to red */
339  		color->color_r_cr = color_value;
340  		if (pipe_ctx->plane_state->layer_index > 0) {
341  			/* set border color to pink */
342  			color->color_b_cb = color_value;
343  			color->color_g_y = color_value * 0.5;
344  		}
345  		break;
346  
347  	case PIXEL_FORMAT_ARGB2101010:
348  		/* set border color to blue */
349  		color->color_b_cb = color_value;
350  		if (pipe_ctx->plane_state->layer_index > 0) {
351  			/* set border color to cyan */
352  			color->color_g_y = color_value;
353  		}
354  		break;
355  	case PIXEL_FORMAT_420BPP8:
356  		/* set border color to green */
357  		color->color_g_y = color_value;
358  		break;
359  	case PIXEL_FORMAT_420BPP10:
360  		/* set border color to yellow */
361  		color->color_g_y = color_value;
362  		color->color_r_cr = color_value;
363  		break;
364  	case PIXEL_FORMAT_FP16:
365  		/* set border color to white */
366  		color->color_r_cr = color_value;
367  		color->color_b_cb = color_value;
368  		color->color_g_y = color_value;
369  		if (pipe_ctx->plane_state->layer_index > 0) {
370  			/* set border color to orange */
371  			color->color_g_y = 0.22 * color_value;
372  			color->color_b_cb = 0;
373  		}
374  		break;
375  	default:
376  		break;
377  	}
378  }
379  
get_hdr_visual_confirm_color(struct pipe_ctx * pipe_ctx,struct tg_color * color)380  void get_hdr_visual_confirm_color(
381  		struct pipe_ctx *pipe_ctx,
382  		struct tg_color *color)
383  {
384  	uint32_t color_value = MAX_TG_COLOR_VALUE;
385  	bool is_sdr = false;
386  
387  	/* Determine the overscan color based on the top-most (desktop) plane's context */
388  	struct pipe_ctx *top_pipe_ctx  = pipe_ctx;
389  
390  	while (top_pipe_ctx->top_pipe != NULL)
391  		top_pipe_ctx = top_pipe_ctx->top_pipe;
392  
393  	switch (top_pipe_ctx->plane_res.scl_data.format) {
394  	case PIXEL_FORMAT_ARGB2101010:
395  		if (top_pipe_ctx->stream->out_transfer_func.tf == TRANSFER_FUNCTION_PQ) {
396  			/* HDR10, ARGB2101010 - set border color to red */
397  			color->color_r_cr = color_value;
398  		} else if (top_pipe_ctx->stream->out_transfer_func.tf == TRANSFER_FUNCTION_GAMMA22) {
399  			/* FreeSync 2 ARGB2101010 - set border color to pink */
400  			color->color_r_cr = color_value;
401  			color->color_b_cb = color_value;
402  		} else
403  			is_sdr = true;
404  		break;
405  	case PIXEL_FORMAT_FP16:
406  		if (top_pipe_ctx->stream->out_transfer_func.tf == TRANSFER_FUNCTION_PQ) {
407  			/* HDR10, FP16 - set border color to blue */
408  			color->color_b_cb = color_value;
409  		} else if (top_pipe_ctx->stream->out_transfer_func.tf == TRANSFER_FUNCTION_GAMMA22) {
410  			/* FreeSync 2 HDR - set border color to green */
411  			color->color_g_y = color_value;
412  		} else
413  			is_sdr = true;
414  		break;
415  	default:
416  		is_sdr = true;
417  		break;
418  	}
419  
420  	if (is_sdr) {
421  		/* SDR - set border color to Gray */
422  		color->color_r_cr = color_value/2;
423  		color->color_b_cb = color_value/2;
424  		color->color_g_y = color_value/2;
425  	}
426  }
427  
get_subvp_visual_confirm_color(struct pipe_ctx * pipe_ctx,struct tg_color * color)428  void get_subvp_visual_confirm_color(
429  		struct pipe_ctx *pipe_ctx,
430  		struct tg_color *color)
431  {
432  	uint32_t color_value = MAX_TG_COLOR_VALUE;
433  	if (pipe_ctx) {
434  		switch (pipe_ctx->p_state_type) {
435  		case P_STATE_SUB_VP:
436  			color->color_r_cr = color_value;
437  			color->color_g_y  = 0;
438  			color->color_b_cb = 0;
439  			break;
440  		case P_STATE_DRR_SUB_VP:
441  			color->color_r_cr = 0;
442  			color->color_g_y  = color_value;
443  			color->color_b_cb = 0;
444  			break;
445  		case P_STATE_V_BLANK_SUB_VP:
446  			color->color_r_cr = 0;
447  			color->color_g_y  = 0;
448  			color->color_b_cb = color_value;
449  			break;
450  		default:
451  			break;
452  		}
453  	}
454  }
455  
get_mclk_switch_visual_confirm_color(struct pipe_ctx * pipe_ctx,struct tg_color * color)456  void get_mclk_switch_visual_confirm_color(
457  		struct pipe_ctx *pipe_ctx,
458  		struct tg_color *color)
459  {
460  	uint32_t color_value = MAX_TG_COLOR_VALUE;
461  
462  	if (pipe_ctx) {
463  		switch (pipe_ctx->p_state_type) {
464  		case P_STATE_V_BLANK:
465  			color->color_r_cr = color_value;
466  			color->color_g_y = color_value;
467  			color->color_b_cb = 0;
468  			break;
469  		case P_STATE_FPO:
470  			color->color_r_cr = 0;
471  			color->color_g_y  = color_value;
472  			color->color_b_cb = color_value;
473  			break;
474  		case P_STATE_V_ACTIVE:
475  			color->color_r_cr = color_value;
476  			color->color_g_y  = 0;
477  			color->color_b_cb = color_value;
478  			break;
479  		case P_STATE_SUB_VP:
480  			color->color_r_cr = color_value;
481  			color->color_g_y  = 0;
482  			color->color_b_cb = 0;
483  			break;
484  		case P_STATE_DRR_SUB_VP:
485  			color->color_r_cr = 0;
486  			color->color_g_y  = color_value;
487  			color->color_b_cb = 0;
488  			break;
489  		case P_STATE_V_BLANK_SUB_VP:
490  			color->color_r_cr = 0;
491  			color->color_g_y  = 0;
492  			color->color_b_cb = color_value;
493  			break;
494  		default:
495  			break;
496  		}
497  	}
498  }
499  
set_p_state_switch_method(struct dc * dc,struct dc_state * context,struct pipe_ctx * pipe_ctx)500  void set_p_state_switch_method(
501  		struct dc *dc,
502  		struct dc_state *context,
503  		struct pipe_ctx *pipe_ctx)
504  {
505  	struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
506  	bool enable_subvp;
507  
508  	if (!dc->ctx || !dc->ctx->dmub_srv || !pipe_ctx || !vba)
509  		return;
510  
511  	if (vba->DRAMClockChangeSupport[vba->VoltageLevel][vba->maxMpcComb] !=
512  			dm_dram_clock_change_unsupported) {
513  		/* MCLK switching is supported */
514  		if (!pipe_ctx->has_vactive_margin) {
515  			/* In Vblank - yellow */
516  			pipe_ctx->p_state_type = P_STATE_V_BLANK;
517  
518  			if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
519  				/* FPO + Vblank - cyan */
520  				pipe_ctx->p_state_type = P_STATE_FPO;
521  			}
522  		} else {
523  			/* In Vactive - pink */
524  			pipe_ctx->p_state_type = P_STATE_V_ACTIVE;
525  		}
526  
527  		/* SubVP */
528  		enable_subvp = false;
529  
530  		for (int i = 0; i < dc->res_pool->pipe_count; i++) {
531  			struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
532  
533  			if (pipe->stream && dc_state_get_paired_subvp_stream(context, pipe->stream) &&
534  					dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
535  				/* SubVP enable - red */
536  				pipe_ctx->p_state_type = P_STATE_SUB_VP;
537  				enable_subvp = true;
538  
539  				if (pipe_ctx->stream == pipe->stream)
540  					return;
541  				break;
542  			}
543  		}
544  
545  		if (enable_subvp && dc_state_get_pipe_subvp_type(context, pipe_ctx) == SUBVP_NONE) {
546  			if (pipe_ctx->stream->allow_freesync == 1) {
547  				/* SubVP enable and DRR on - green */
548  				pipe_ctx->p_state_type = P_STATE_DRR_SUB_VP;
549  			} else {
550  				/* SubVP enable and No DRR - blue */
551  				pipe_ctx->p_state_type = P_STATE_V_BLANK_SUB_VP;
552  			}
553  		}
554  	}
555  }
556  
get_fams2_visual_confirm_color(struct dc * dc,struct dc_state * context,struct pipe_ctx * pipe_ctx,struct tg_color * color)557  void get_fams2_visual_confirm_color(
558  		struct dc *dc,
559  		struct dc_state *context,
560  		struct pipe_ctx *pipe_ctx,
561  		struct tg_color *color)
562  {
563  	uint32_t color_value = MAX_TG_COLOR_VALUE;
564  
565  	if (!dc->ctx || !dc->ctx->dmub_srv || !pipe_ctx || !context || !dc->debug.fams2_config.bits.enable)
566  		return;
567  
568  	/* driver only handles visual confirm when FAMS2 is disabled */
569  	if (!dc_state_is_fams2_in_use(dc, context)) {
570  		/* when FAMS2 is disabled, all pipes are grey */
571  		color->color_g_y = color_value / 2;
572  		color->color_b_cb = color_value / 2;
573  		color->color_r_cr = color_value / 2;
574  	}
575  }
576  
hwss_build_fast_sequence(struct dc * dc,struct dc_dmub_cmd * dc_dmub_cmd,unsigned int dmub_cmd_count,struct block_sequence block_sequence[],unsigned int * num_steps,struct pipe_ctx * pipe_ctx,struct dc_stream_status * stream_status,struct dc_state * context)577  void hwss_build_fast_sequence(struct dc *dc,
578  		struct dc_dmub_cmd *dc_dmub_cmd,
579  		unsigned int dmub_cmd_count,
580  		struct block_sequence block_sequence[],
581  		unsigned int *num_steps,
582  		struct pipe_ctx *pipe_ctx,
583  		struct dc_stream_status *stream_status,
584  		struct dc_state *context)
585  {
586  	struct dc_plane_state *plane = pipe_ctx->plane_state;
587  	struct dc_stream_state *stream = pipe_ctx->stream;
588  	struct dce_hwseq *hws = dc->hwseq;
589  	struct pipe_ctx *current_pipe = NULL;
590  	struct pipe_ctx *current_mpc_pipe = NULL;
591  	unsigned int i = 0;
592  
593  	*num_steps = 0; // Initialize to 0
594  
595  	if (!plane || !stream)
596  		return;
597  
598  	if (dc->hwss.wait_for_dcc_meta_propagation) {
599  		block_sequence[*num_steps].params.wait_for_dcc_meta_propagation_params.dc = dc;
600  		block_sequence[*num_steps].params.wait_for_dcc_meta_propagation_params.top_pipe_to_program = pipe_ctx;
601  		block_sequence[*num_steps].func = HUBP_WAIT_FOR_DCC_META_PROP;
602  		(*num_steps)++;
603  	}
604  	if (dc->hwss.subvp_pipe_control_lock_fast) {
605  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.dc = dc;
606  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.lock = true;
607  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.subvp_immediate_flip =
608  				plane->flip_immediate && stream_status->mall_stream_config.type == SUBVP_MAIN;
609  		block_sequence[*num_steps].func = DMUB_SUBVP_PIPE_CONTROL_LOCK_FAST;
610  		(*num_steps)++;
611  	}
612  	if (dc->hwss.fams2_global_control_lock_fast) {
613  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.dc = dc;
614  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.lock = true;
615  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.is_required = dc_state_is_fams2_in_use(dc, context);
616  		block_sequence[*num_steps].func = DMUB_FAMS2_GLOBAL_CONTROL_LOCK_FAST;
617  		(*num_steps)++;
618  	}
619  	if (dc->hwss.pipe_control_lock) {
620  		block_sequence[*num_steps].params.pipe_control_lock_params.dc = dc;
621  		block_sequence[*num_steps].params.pipe_control_lock_params.lock = true;
622  		block_sequence[*num_steps].params.pipe_control_lock_params.pipe_ctx = pipe_ctx;
623  		block_sequence[*num_steps].func = OPTC_PIPE_CONTROL_LOCK;
624  		(*num_steps)++;
625  	}
626  
627  	for (i = 0; i < dmub_cmd_count; i++) {
628  		block_sequence[*num_steps].params.send_dmcub_cmd_params.ctx = dc->ctx;
629  		block_sequence[*num_steps].params.send_dmcub_cmd_params.cmd = &(dc_dmub_cmd[i].dmub_cmd);
630  		block_sequence[*num_steps].params.send_dmcub_cmd_params.wait_type = dc_dmub_cmd[i].wait_type;
631  		block_sequence[*num_steps].func = DMUB_SEND_DMCUB_CMD;
632  		(*num_steps)++;
633  	}
634  
635  	current_pipe = pipe_ctx;
636  	while (current_pipe) {
637  		current_mpc_pipe = current_pipe;
638  		while (current_mpc_pipe) {
639  			if (current_mpc_pipe->plane_state) {
640  				if (dc->hwss.set_flip_control_gsl && current_mpc_pipe->plane_state->update_flags.raw) {
641  					block_sequence[*num_steps].params.set_flip_control_gsl_params.pipe_ctx = current_mpc_pipe;
642  					block_sequence[*num_steps].params.set_flip_control_gsl_params.flip_immediate = current_mpc_pipe->plane_state->flip_immediate;
643  					block_sequence[*num_steps].func = HUBP_SET_FLIP_CONTROL_GSL;
644  					(*num_steps)++;
645  				}
646  				if (dc->hwss.program_triplebuffer && dc->debug.enable_tri_buf && current_mpc_pipe->plane_state->update_flags.raw) {
647  					block_sequence[*num_steps].params.program_triplebuffer_params.dc = dc;
648  					block_sequence[*num_steps].params.program_triplebuffer_params.pipe_ctx = current_mpc_pipe;
649  					block_sequence[*num_steps].params.program_triplebuffer_params.enableTripleBuffer = current_mpc_pipe->plane_state->triplebuffer_flips;
650  					block_sequence[*num_steps].func = HUBP_PROGRAM_TRIPLEBUFFER;
651  					(*num_steps)++;
652  				}
653  				if (dc->hwss.update_plane_addr && current_mpc_pipe->plane_state->update_flags.bits.addr_update) {
654  					if (resource_is_pipe_type(current_mpc_pipe, OTG_MASTER) &&
655  							stream_status->mall_stream_config.type == SUBVP_MAIN) {
656  						block_sequence[*num_steps].params.subvp_save_surf_addr.dc_dmub_srv = dc->ctx->dmub_srv;
657  						block_sequence[*num_steps].params.subvp_save_surf_addr.addr = &current_mpc_pipe->plane_state->address;
658  						block_sequence[*num_steps].params.subvp_save_surf_addr.subvp_index = current_mpc_pipe->subvp_index;
659  						block_sequence[*num_steps].func = DMUB_SUBVP_SAVE_SURF_ADDR;
660  						(*num_steps)++;
661  					}
662  
663  					block_sequence[*num_steps].params.update_plane_addr_params.dc = dc;
664  					block_sequence[*num_steps].params.update_plane_addr_params.pipe_ctx = current_mpc_pipe;
665  					block_sequence[*num_steps].func = HUBP_UPDATE_PLANE_ADDR;
666  					(*num_steps)++;
667  				}
668  
669  				if (hws->funcs.set_input_transfer_func && current_mpc_pipe->plane_state->update_flags.bits.gamma_change) {
670  					block_sequence[*num_steps].params.set_input_transfer_func_params.dc = dc;
671  					block_sequence[*num_steps].params.set_input_transfer_func_params.pipe_ctx = current_mpc_pipe;
672  					block_sequence[*num_steps].params.set_input_transfer_func_params.plane_state = current_mpc_pipe->plane_state;
673  					block_sequence[*num_steps].func = DPP_SET_INPUT_TRANSFER_FUNC;
674  					(*num_steps)++;
675  				}
676  
677  				if (dc->hwss.program_gamut_remap && current_mpc_pipe->plane_state->update_flags.bits.gamut_remap_change) {
678  					block_sequence[*num_steps].params.program_gamut_remap_params.pipe_ctx = current_mpc_pipe;
679  					block_sequence[*num_steps].func = DPP_PROGRAM_GAMUT_REMAP;
680  					(*num_steps)++;
681  				}
682  				if (current_mpc_pipe->plane_state->update_flags.bits.input_csc_change) {
683  					block_sequence[*num_steps].params.setup_dpp_params.pipe_ctx = current_mpc_pipe;
684  					block_sequence[*num_steps].func = DPP_SETUP_DPP;
685  					(*num_steps)++;
686  				}
687  				if (current_mpc_pipe->plane_state->update_flags.bits.coeff_reduction_change) {
688  					block_sequence[*num_steps].params.program_bias_and_scale_params.pipe_ctx = current_mpc_pipe;
689  					block_sequence[*num_steps].func = DPP_PROGRAM_BIAS_AND_SCALE;
690  					(*num_steps)++;
691  				}
692  			}
693  			if (hws->funcs.set_output_transfer_func && current_mpc_pipe->stream->update_flags.bits.out_tf) {
694  				block_sequence[*num_steps].params.set_output_transfer_func_params.dc = dc;
695  				block_sequence[*num_steps].params.set_output_transfer_func_params.pipe_ctx = current_mpc_pipe;
696  				block_sequence[*num_steps].params.set_output_transfer_func_params.stream = current_mpc_pipe->stream;
697  				block_sequence[*num_steps].func = DPP_SET_OUTPUT_TRANSFER_FUNC;
698  				(*num_steps)++;
699  			}
700  
701  			if (current_mpc_pipe->stream->update_flags.bits.out_csc) {
702  				block_sequence[*num_steps].params.power_on_mpc_mem_pwr_params.mpc = dc->res_pool->mpc;
703  				block_sequence[*num_steps].params.power_on_mpc_mem_pwr_params.mpcc_id = current_mpc_pipe->plane_res.hubp->inst;
704  				block_sequence[*num_steps].params.power_on_mpc_mem_pwr_params.power_on = true;
705  				block_sequence[*num_steps].func = MPC_POWER_ON_MPC_MEM_PWR;
706  				(*num_steps)++;
707  
708  				if (current_mpc_pipe->stream->csc_color_matrix.enable_adjustment == true) {
709  					block_sequence[*num_steps].params.set_output_csc_params.mpc = dc->res_pool->mpc;
710  					block_sequence[*num_steps].params.set_output_csc_params.opp_id = current_mpc_pipe->stream_res.opp->inst;
711  					block_sequence[*num_steps].params.set_output_csc_params.regval = current_mpc_pipe->stream->csc_color_matrix.matrix;
712  					block_sequence[*num_steps].params.set_output_csc_params.ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
713  					block_sequence[*num_steps].func = MPC_SET_OUTPUT_CSC;
714  					(*num_steps)++;
715  				} else {
716  					block_sequence[*num_steps].params.set_ocsc_default_params.mpc = dc->res_pool->mpc;
717  					block_sequence[*num_steps].params.set_ocsc_default_params.opp_id = current_mpc_pipe->stream_res.opp->inst;
718  					block_sequence[*num_steps].params.set_ocsc_default_params.color_space = current_mpc_pipe->stream->output_color_space;
719  					block_sequence[*num_steps].params.set_ocsc_default_params.ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
720  					block_sequence[*num_steps].func = MPC_SET_OCSC_DEFAULT;
721  					(*num_steps)++;
722  				}
723  			}
724  			current_mpc_pipe = current_mpc_pipe->bottom_pipe;
725  		}
726  		current_pipe = current_pipe->next_odm_pipe;
727  	}
728  
729  	if (dc->hwss.pipe_control_lock) {
730  		block_sequence[*num_steps].params.pipe_control_lock_params.dc = dc;
731  		block_sequence[*num_steps].params.pipe_control_lock_params.lock = false;
732  		block_sequence[*num_steps].params.pipe_control_lock_params.pipe_ctx = pipe_ctx;
733  		block_sequence[*num_steps].func = OPTC_PIPE_CONTROL_LOCK;
734  		(*num_steps)++;
735  	}
736  	if (dc->hwss.subvp_pipe_control_lock_fast) {
737  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.dc = dc;
738  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.lock = false;
739  		block_sequence[*num_steps].params.subvp_pipe_control_lock_fast_params.subvp_immediate_flip =
740  				plane->flip_immediate && stream_status->mall_stream_config.type == SUBVP_MAIN;
741  		block_sequence[*num_steps].func = DMUB_SUBVP_PIPE_CONTROL_LOCK_FAST;
742  		(*num_steps)++;
743  	}
744  	if (dc->hwss.fams2_global_control_lock_fast) {
745  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.dc = dc;
746  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.lock = false;
747  		block_sequence[*num_steps].params.fams2_global_control_lock_fast_params.is_required = dc_state_is_fams2_in_use(dc, context);
748  		block_sequence[*num_steps].func = DMUB_FAMS2_GLOBAL_CONTROL_LOCK_FAST;
749  		(*num_steps)++;
750  	}
751  
752  	current_pipe = pipe_ctx;
753  	while (current_pipe) {
754  		current_mpc_pipe = current_pipe;
755  
756  		while (current_mpc_pipe) {
757  			if (!current_mpc_pipe->bottom_pipe && !current_mpc_pipe->next_odm_pipe &&
758  					current_mpc_pipe->stream && current_mpc_pipe->plane_state &&
759  					current_mpc_pipe->plane_state->update_flags.bits.addr_update &&
760  					!current_mpc_pipe->plane_state->skip_manual_trigger) {
761  				block_sequence[*num_steps].params.program_manual_trigger_params.pipe_ctx = current_mpc_pipe;
762  				block_sequence[*num_steps].func = OPTC_PROGRAM_MANUAL_TRIGGER;
763  				(*num_steps)++;
764  			}
765  			current_mpc_pipe = current_mpc_pipe->bottom_pipe;
766  		}
767  		current_pipe = current_pipe->next_odm_pipe;
768  	}
769  }
770  
hwss_execute_sequence(struct dc * dc,struct block_sequence block_sequence[],int num_steps)771  void hwss_execute_sequence(struct dc *dc,
772  		struct block_sequence block_sequence[],
773  		int num_steps)
774  {
775  	unsigned int i;
776  	union block_sequence_params *params;
777  	struct dce_hwseq *hws = dc->hwseq;
778  
779  	for (i = 0; i < num_steps; i++) {
780  		params = &(block_sequence[i].params);
781  		switch (block_sequence[i].func) {
782  
783  		case DMUB_SUBVP_PIPE_CONTROL_LOCK_FAST:
784  			dc->hwss.subvp_pipe_control_lock_fast(params);
785  			break;
786  		case OPTC_PIPE_CONTROL_LOCK:
787  			dc->hwss.pipe_control_lock(params->pipe_control_lock_params.dc,
788  					params->pipe_control_lock_params.pipe_ctx,
789  					params->pipe_control_lock_params.lock);
790  			break;
791  		case HUBP_SET_FLIP_CONTROL_GSL:
792  			dc->hwss.set_flip_control_gsl(params->set_flip_control_gsl_params.pipe_ctx,
793  					params->set_flip_control_gsl_params.flip_immediate);
794  			break;
795  		case HUBP_PROGRAM_TRIPLEBUFFER:
796  			dc->hwss.program_triplebuffer(params->program_triplebuffer_params.dc,
797  					params->program_triplebuffer_params.pipe_ctx,
798  					params->program_triplebuffer_params.enableTripleBuffer);
799  			break;
800  		case HUBP_UPDATE_PLANE_ADDR:
801  			dc->hwss.update_plane_addr(params->update_plane_addr_params.dc,
802  					params->update_plane_addr_params.pipe_ctx);
803  			break;
804  		case DPP_SET_INPUT_TRANSFER_FUNC:
805  			hws->funcs.set_input_transfer_func(params->set_input_transfer_func_params.dc,
806  					params->set_input_transfer_func_params.pipe_ctx,
807  					params->set_input_transfer_func_params.plane_state);
808  			break;
809  		case DPP_PROGRAM_GAMUT_REMAP:
810  			dc->hwss.program_gamut_remap(params->program_gamut_remap_params.pipe_ctx);
811  			break;
812  		case DPP_SETUP_DPP:
813  			hwss_setup_dpp(params);
814  			break;
815  		case DPP_PROGRAM_BIAS_AND_SCALE:
816  			hwss_program_bias_and_scale(params);
817  			break;
818  		case OPTC_PROGRAM_MANUAL_TRIGGER:
819  			hwss_program_manual_trigger(params);
820  			break;
821  		case DPP_SET_OUTPUT_TRANSFER_FUNC:
822  			hws->funcs.set_output_transfer_func(params->set_output_transfer_func_params.dc,
823  					params->set_output_transfer_func_params.pipe_ctx,
824  					params->set_output_transfer_func_params.stream);
825  			break;
826  		case MPC_UPDATE_VISUAL_CONFIRM:
827  			dc->hwss.update_visual_confirm_color(params->update_visual_confirm_params.dc,
828  					params->update_visual_confirm_params.pipe_ctx,
829  					params->update_visual_confirm_params.mpcc_id);
830  			break;
831  		case MPC_POWER_ON_MPC_MEM_PWR:
832  			hwss_power_on_mpc_mem_pwr(params);
833  			break;
834  		case MPC_SET_OUTPUT_CSC:
835  			hwss_set_output_csc(params);
836  			break;
837  		case MPC_SET_OCSC_DEFAULT:
838  			hwss_set_ocsc_default(params);
839  			break;
840  		case DMUB_SEND_DMCUB_CMD:
841  			hwss_send_dmcub_cmd(params);
842  			break;
843  		case DMUB_SUBVP_SAVE_SURF_ADDR:
844  			hwss_subvp_save_surf_addr(params);
845  			break;
846  		case HUBP_WAIT_FOR_DCC_META_PROP:
847  			dc->hwss.wait_for_dcc_meta_propagation(
848  					params->wait_for_dcc_meta_propagation_params.dc,
849  					params->wait_for_dcc_meta_propagation_params.top_pipe_to_program);
850  			break;
851  		case DMUB_FAMS2_GLOBAL_CONTROL_LOCK_FAST:
852  			dc->hwss.fams2_global_control_lock_fast(params);
853  			break;
854  		default:
855  			ASSERT(false);
856  			break;
857  		}
858  	}
859  }
860  
hwss_send_dmcub_cmd(union block_sequence_params * params)861  void hwss_send_dmcub_cmd(union block_sequence_params *params)
862  {
863  	struct dc_context *ctx = params->send_dmcub_cmd_params.ctx;
864  	union dmub_rb_cmd *cmd = params->send_dmcub_cmd_params.cmd;
865  	enum dm_dmub_wait_type wait_type = params->send_dmcub_cmd_params.wait_type;
866  
867  	dc_wake_and_execute_dmub_cmd(ctx, cmd, wait_type);
868  }
869  
hwss_program_manual_trigger(union block_sequence_params * params)870  void hwss_program_manual_trigger(union block_sequence_params *params)
871  {
872  	struct pipe_ctx *pipe_ctx = params->program_manual_trigger_params.pipe_ctx;
873  
874  	if (pipe_ctx->stream_res.tg->funcs->program_manual_trigger)
875  		pipe_ctx->stream_res.tg->funcs->program_manual_trigger(pipe_ctx->stream_res.tg);
876  }
877  
hwss_setup_dpp(union block_sequence_params * params)878  void hwss_setup_dpp(union block_sequence_params *params)
879  {
880  	struct pipe_ctx *pipe_ctx = params->setup_dpp_params.pipe_ctx;
881  	struct dpp *dpp = pipe_ctx->plane_res.dpp;
882  	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
883  
884  	if (dpp && dpp->funcs->dpp_setup) {
885  		// program the input csc
886  		dpp->funcs->dpp_setup(dpp,
887  				plane_state->format,
888  				EXPANSION_MODE_ZERO,
889  				plane_state->input_csc_color_matrix,
890  				plane_state->color_space,
891  				NULL);
892  	}
893  
894  	if (dpp && dpp->funcs->set_cursor_matrix) {
895  		dpp->funcs->set_cursor_matrix(dpp,
896  			plane_state->color_space,
897  			plane_state->cursor_csc_color_matrix);
898  	}
899  }
900  
hwss_program_bias_and_scale(union block_sequence_params * params)901  void hwss_program_bias_and_scale(union block_sequence_params *params)
902  {
903  	struct pipe_ctx *pipe_ctx = params->program_bias_and_scale_params.pipe_ctx;
904  	struct dpp *dpp = pipe_ctx->plane_res.dpp;
905  	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
906  	struct dc_bias_and_scale bns_params = plane_state->bias_and_scale;
907  
908  	//TODO :for CNVC set scale and bias registers if necessary
909  	if (dpp->funcs->dpp_program_bias_and_scale) {
910  		dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
911  	}
912  }
913  
hwss_power_on_mpc_mem_pwr(union block_sequence_params * params)914  void hwss_power_on_mpc_mem_pwr(union block_sequence_params *params)
915  {
916  	struct mpc *mpc = params->power_on_mpc_mem_pwr_params.mpc;
917  	int mpcc_id = params->power_on_mpc_mem_pwr_params.mpcc_id;
918  	bool power_on = params->power_on_mpc_mem_pwr_params.power_on;
919  
920  	if (mpc->funcs->power_on_mpc_mem_pwr)
921  		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, power_on);
922  }
923  
hwss_set_output_csc(union block_sequence_params * params)924  void hwss_set_output_csc(union block_sequence_params *params)
925  {
926  	struct mpc *mpc = params->set_output_csc_params.mpc;
927  	int opp_id = params->set_output_csc_params.opp_id;
928  	const uint16_t *matrix = params->set_output_csc_params.regval;
929  	enum mpc_output_csc_mode ocsc_mode = params->set_output_csc_params.ocsc_mode;
930  
931  	if (mpc->funcs->set_output_csc != NULL)
932  		mpc->funcs->set_output_csc(mpc,
933  				opp_id,
934  				matrix,
935  				ocsc_mode);
936  }
937  
hwss_set_ocsc_default(union block_sequence_params * params)938  void hwss_set_ocsc_default(union block_sequence_params *params)
939  {
940  	struct mpc *mpc = params->set_ocsc_default_params.mpc;
941  	int opp_id = params->set_ocsc_default_params.opp_id;
942  	enum dc_color_space colorspace = params->set_ocsc_default_params.color_space;
943  	enum mpc_output_csc_mode ocsc_mode = params->set_ocsc_default_params.ocsc_mode;
944  
945  	if (mpc->funcs->set_ocsc_default != NULL)
946  		mpc->funcs->set_ocsc_default(mpc,
947  				opp_id,
948  				colorspace,
949  				ocsc_mode);
950  }
951  
hwss_subvp_save_surf_addr(union block_sequence_params * params)952  void hwss_subvp_save_surf_addr(union block_sequence_params *params)
953  {
954  	struct dc_dmub_srv *dc_dmub_srv = params->subvp_save_surf_addr.dc_dmub_srv;
955  	const struct dc_plane_address *addr = params->subvp_save_surf_addr.addr;
956  	uint8_t subvp_index = params->subvp_save_surf_addr.subvp_index;
957  
958  	dc_dmub_srv_subvp_save_surf_addr(dc_dmub_srv, addr, subvp_index);
959  }
960  
get_surface_tile_visual_confirm_color(struct pipe_ctx * pipe_ctx,struct tg_color * color)961  void get_surface_tile_visual_confirm_color(
962  		struct pipe_ctx *pipe_ctx,
963  		struct tg_color *color)
964  {
965  	uint32_t color_value = MAX_TG_COLOR_VALUE;
966  	/* Determine the overscan color based on the bottom-most plane's context */
967  	struct pipe_ctx *bottom_pipe_ctx  = pipe_ctx;
968  
969  	while (bottom_pipe_ctx->bottom_pipe != NULL)
970  		bottom_pipe_ctx = bottom_pipe_ctx->bottom_pipe;
971  
972  	switch (bottom_pipe_ctx->plane_state->tiling_info.gfx9.swizzle) {
973  	case DC_SW_LINEAR:
974  		/* LINEAR Surface - set border color to red */
975  		color->color_r_cr = color_value;
976  		break;
977  	default:
978  		break;
979  	}
980  }
981  
982  /**
983   * hwss_wait_for_all_blank_complete - wait for all active OPPs to finish pending blank
984   * pattern updates
985   *
986   * @dc: [in] dc reference
987   * @context: [in] hardware context in use
988   */
hwss_wait_for_all_blank_complete(struct dc * dc,struct dc_state * context)989  void hwss_wait_for_all_blank_complete(struct dc *dc,
990  		struct dc_state *context)
991  {
992  	struct pipe_ctx *opp_head;
993  	struct dce_hwseq *hws = dc->hwseq;
994  	int i;
995  
996  	if (!hws->funcs.wait_for_blank_complete)
997  		return;
998  
999  	for (i = 0; i < MAX_PIPES; i++) {
1000  		opp_head = &context->res_ctx.pipe_ctx[i];
1001  
1002  		if (!resource_is_pipe_type(opp_head, OPP_HEAD) ||
1003  				dc_state_get_pipe_subvp_type(context, opp_head) == SUBVP_PHANTOM)
1004  			continue;
1005  
1006  		hws->funcs.wait_for_blank_complete(opp_head->stream_res.opp);
1007  	}
1008  }
1009  
hwss_wait_for_odm_update_pending_complete(struct dc * dc,struct dc_state * context)1010  void hwss_wait_for_odm_update_pending_complete(struct dc *dc, struct dc_state *context)
1011  {
1012  	struct pipe_ctx *otg_master;
1013  	struct timing_generator *tg;
1014  	int i;
1015  
1016  	for (i = 0; i < MAX_PIPES; i++) {
1017  		otg_master = &context->res_ctx.pipe_ctx[i];
1018  		if (!resource_is_pipe_type(otg_master, OTG_MASTER) ||
1019  				dc_state_get_pipe_subvp_type(context, otg_master) == SUBVP_PHANTOM)
1020  			continue;
1021  		tg = otg_master->stream_res.tg;
1022  		if (tg->funcs->wait_odm_doublebuffer_pending_clear)
1023  			tg->funcs->wait_odm_doublebuffer_pending_clear(tg);
1024  	}
1025  
1026  	/* ODM update may require to reprogram blank pattern for each OPP */
1027  	hwss_wait_for_all_blank_complete(dc, context);
1028  }
1029  
hwss_wait_for_no_pipes_pending(struct dc * dc,struct dc_state * context)1030  void hwss_wait_for_no_pipes_pending(struct dc *dc, struct dc_state *context)
1031  {
1032  	int i;
1033  	for (i = 0; i < MAX_PIPES; i++) {
1034  		int count = 0;
1035  		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1036  
1037  		if (!pipe->plane_state || dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM)
1038  			continue;
1039  
1040  		/* Timeout 100 ms */
1041  		while (count < 100000) {
1042  			/* Must set to false to start with, due to OR in update function */
1043  			pipe->plane_state->status.is_flip_pending = false;
1044  			dc->hwss.update_pending_status(pipe);
1045  			if (!pipe->plane_state->status.is_flip_pending)
1046  				break;
1047  			udelay(1);
1048  			count++;
1049  		}
1050  		ASSERT(!pipe->plane_state->status.is_flip_pending);
1051  	}
1052  }
1053  
hwss_wait_for_outstanding_hw_updates(struct dc * dc,struct dc_state * dc_context)1054  void hwss_wait_for_outstanding_hw_updates(struct dc *dc, struct dc_state *dc_context)
1055  {
1056  /*
1057   * This function calls HWSS to wait for any potentially double buffered
1058   * operations to complete. It should be invoked as a pre-amble prior
1059   * to full update programming before asserting any HW locks.
1060   */
1061  	int pipe_idx;
1062  	int opp_inst;
1063  	int opp_count = dc->res_pool->res_cap->num_opp;
1064  	struct hubp *hubp;
1065  	int mpcc_inst;
1066  	const struct pipe_ctx *pipe_ctx;
1067  
1068  	for (pipe_idx = 0; pipe_idx < dc->res_pool->pipe_count; pipe_idx++) {
1069  		pipe_ctx = &dc_context->res_ctx.pipe_ctx[pipe_idx];
1070  
1071  		if (!pipe_ctx->stream)
1072  			continue;
1073  
1074  		if (pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear)
1075  			pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear(pipe_ctx->stream_res.tg);
1076  
1077  		hubp = pipe_ctx->plane_res.hubp;
1078  		if (!hubp)
1079  			continue;
1080  
1081  		mpcc_inst = hubp->inst;
1082  		// MPCC inst is equal to pipe index in practice
1083  		for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
1084  			if ((dc->res_pool->opps[opp_inst] != NULL) &&
1085  				(dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst])) {
1086  				dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
1087  				dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
1088  				break;
1089  			}
1090  		}
1091  	}
1092  	hwss_wait_for_odm_update_pending_complete(dc, dc_context);
1093  }
1094  
hwss_process_outstanding_hw_updates(struct dc * dc,struct dc_state * dc_context)1095  void hwss_process_outstanding_hw_updates(struct dc *dc, struct dc_state *dc_context)
1096  {
1097  	/* wait for outstanding updates */
1098  	hwss_wait_for_outstanding_hw_updates(dc, dc_context);
1099  
1100  	/* perform outstanding post update programming */
1101  	if (dc->hwss.program_outstanding_updates)
1102  		dc->hwss.program_outstanding_updates(dc, dc_context);
1103  }
1104