xref: /linux/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c (revision eeb9f5c2dcec90009d7cf12e780e7f9631993fc5)
1 /*
2  * Copyright 2017 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 <drm/display/drm_dsc_helper.h>
27 
28 #include "reg_helper.h"
29 #include "dcn20_dsc.h"
30 #include "dsc/dscc_types.h"
31 #include "dsc/rc_calc.h"
32 
33 static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals);
34 
35 /* Object I/F functions */
36 static void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s);
37 static bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg);
38 static void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
39 		struct dsc_optc_config *dsc_optc_cfg);
40 static void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe);
41 static void dsc2_disable(struct display_stream_compressor *dsc);
42 static void dsc2_disconnect(struct display_stream_compressor *dsc);
43 
44 static const struct dsc_funcs dcn20_dsc_funcs = {
45 	.dsc_get_enc_caps = dsc2_get_enc_caps,
46 	.dsc_read_state = dsc2_read_state,
47 	.dsc_validate_stream = dsc2_validate_stream,
48 	.dsc_set_config = dsc2_set_config,
49 	.dsc_get_packed_pps = dsc2_get_packed_pps,
50 	.dsc_enable = dsc2_enable,
51 	.dsc_disable = dsc2_disable,
52 	.dsc_disconnect = dsc2_disconnect,
53 };
54 
55 /* Macro definitios for REG_SET macros*/
56 #define CTX \
57 	dsc20->base.ctx
58 
59 #define REG(reg)\
60 	dsc20->dsc_regs->reg
61 
62 #undef FN
63 #define FN(reg_name, field_name) \
64 	dsc20->dsc_shift->field_name, dsc20->dsc_mask->field_name
65 #define DC_LOGGER \
66 	dsc->ctx->logger
67 
68 enum dsc_bits_per_comp {
69 	DSC_BPC_8 = 8,
70 	DSC_BPC_10 = 10,
71 	DSC_BPC_12 = 12,
72 	DSC_BPC_UNKNOWN
73 };
74 
75 /* API functions (external or via structure->function_pointer) */
76 
77 void dsc2_construct(struct dcn20_dsc *dsc,
78 		struct dc_context *ctx,
79 		int inst,
80 		const struct dcn20_dsc_registers *dsc_regs,
81 		const struct dcn20_dsc_shift *dsc_shift,
82 		const struct dcn20_dsc_mask *dsc_mask)
83 {
84 	dsc->base.ctx = ctx;
85 	dsc->base.inst = inst;
86 	dsc->base.funcs = &dcn20_dsc_funcs;
87 
88 	dsc->dsc_regs = dsc_regs;
89 	dsc->dsc_shift = dsc_shift;
90 	dsc->dsc_mask = dsc_mask;
91 
92 	dsc->max_image_width = 5184;
93 }
94 
95 
96 #define DCN20_MAX_PIXEL_CLOCK_Mhz      1188
97 #define DCN20_MAX_DISPLAY_CLOCK_Mhz    1200
98 
99 /* This returns the capabilities for a single DSC encoder engine. Number of slices and total throughput
100  * can be doubled, tripled etc. by using additional DSC engines.
101  */
102 void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz)
103 {
104 	dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */
105 
106 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1;
107 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1;
108 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1;
109 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1;
110 
111 	dsc_enc_caps->lb_bit_depth = 13;
112 	dsc_enc_caps->is_block_pred_supported = true;
113 
114 	dsc_enc_caps->color_formats.bits.RGB = 1;
115 	dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
116 	dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
117 	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 0;
118 	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;
119 
120 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;
121 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1;
122 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1;
123 
124 	/* Maximum total throughput with all the slices combined. This is different from how DP spec specifies it.
125 	 * Our decoder's total throughput in Pix/s is equal to DISPCLK. This is then shared between slices.
126 	 * The value below is the absolute maximum value. The actual throughput may be lower, but it'll always
127 	 * be sufficient to process the input pixel rate fed into a single DSC engine.
128 	 */
129 	dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz;
130 
131 	/* For pixel clock bigger than a single-pipe limit we'll need two engines, which then doubles our
132 	 * throughput and number of slices, but also introduces a lower limit of 2 slices
133 	 */
134 	if (pixel_clock_100Hz >= DCN20_MAX_PIXEL_CLOCK_Mhz*10000) {
135 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 0;
136 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_8 = 1;
137 		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 2;
138 	}
139 
140 	/* For pixel clock bigger than a single-pipe limit needing four engines ODM 4:1, which then quardruples our
141 	 * throughput and number of slices
142 	 */
143 	if (pixel_clock_100Hz > DCN20_MAX_PIXEL_CLOCK_Mhz*10000*2) {
144 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_12 = 1;
145 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_16 = 1;
146 		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 4;
147 	}
148 
149 	dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
150 	dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
151 }
152 
153 
154 /* this function read dsc related register fields to be logged later in dcn10_log_hw_state
155  * into a dcn_dsc_state struct.
156  */
157 static void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s)
158 {
159 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
160 
161 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &s->dsc_clock_en);
162 	REG_GET(DSCC_PPS_CONFIG3, SLICE_WIDTH, &s->dsc_slice_width);
163 	REG_GET(DSCC_PPS_CONFIG1, BITS_PER_PIXEL, &s->dsc_bits_per_pixel);
164 	REG_GET(DSCC_PPS_CONFIG3, SLICE_HEIGHT, &s->dsc_slice_height);
165 	REG_GET(DSCC_PPS_CONFIG1, CHUNK_SIZE, &s->dsc_chunk_size);
166 	REG_GET(DSCC_PPS_CONFIG2, PIC_WIDTH, &s->dsc_pic_width);
167 	REG_GET(DSCC_PPS_CONFIG2, PIC_HEIGHT, &s->dsc_pic_height);
168 	REG_GET(DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, &s->dsc_slice_bpg_offset);
169 	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &s->dsc_fw_en,
170 		DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source);
171 }
172 
173 
174 static bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg)
175 {
176 	struct dsc_optc_config dsc_optc_cfg;
177 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
178 
179 	if (dsc_cfg->pic_width > dsc20->max_image_width)
180 		return false;
181 
182 	return dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, &dsc_optc_cfg);
183 }
184 
185 
186 void dsc_config_log(struct display_stream_compressor *dsc, const struct dsc_config *config)
187 {
188 	DC_LOG_DSC("\tnum_slices_h %d", config->dc_dsc_cfg.num_slices_h);
189 	DC_LOG_DSC("\tnum_slices_v %d", config->dc_dsc_cfg.num_slices_v);
190 	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)",
191 		config->dc_dsc_cfg.bits_per_pixel,
192 		config->dc_dsc_cfg.bits_per_pixel / 16,
193 		((config->dc_dsc_cfg.bits_per_pixel % 16) * 10000) / 16);
194 	DC_LOG_DSC("\tcolor_depth %d", config->color_depth);
195 }
196 
197 static void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
198 		struct dsc_optc_config *dsc_optc_cfg)
199 {
200 	bool is_config_ok;
201 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
202 
203 	DC_LOG_DSC("Setting DSC Config at DSC inst %d", dsc->inst);
204 	dsc_config_log(dsc, dsc_cfg);
205 	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, dsc_optc_cfg);
206 	ASSERT(is_config_ok);
207 	DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):");
208 	dsc_log_pps(dsc, &dsc20->reg_vals.pps);
209 	dsc_write_to_registers(dsc, &dsc20->reg_vals);
210 }
211 
212 
213 bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, uint8_t *dsc_packed_pps)
214 {
215 	bool is_config_ok;
216 	struct dsc_reg_values dsc_reg_vals;
217 	struct dsc_optc_config dsc_optc_cfg;
218 
219 	memset(&dsc_reg_vals, 0, sizeof(dsc_reg_vals));
220 	memset(&dsc_optc_cfg, 0, sizeof(dsc_optc_cfg));
221 
222 	DC_LOG_DSC("Getting packed DSC PPS for DSC Config:");
223 	dsc_config_log(dsc, dsc_cfg);
224 	DC_LOG_DSC("DSC Picture Parameter Set (PPS):");
225 	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc_reg_vals, &dsc_optc_cfg);
226 	ASSERT(is_config_ok);
227 	drm_dsc_pps_payload_pack((struct drm_dsc_picture_parameter_set *)dsc_packed_pps, &dsc_reg_vals.pps);
228 	dsc_log_pps(dsc, &dsc_reg_vals.pps);
229 
230 	return is_config_ok;
231 }
232 
233 
234 static void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe)
235 {
236 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
237 	int dsc_clock_en;
238 	int dsc_fw_config;
239 	int enabled_opp_pipe;
240 
241 	DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
242 
243 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
244 	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
245 	if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
246 		DC_LOG_DSC("ERROR: DSC %d at opp pipe %d already enabled!", dsc->inst, enabled_opp_pipe);
247 		ASSERT(0);
248 	}
249 
250 	REG_UPDATE(DSC_TOP_CONTROL,
251 		DSC_CLOCK_EN, 1);
252 
253 	REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
254 		DSCRM_DSC_FORWARD_EN, 1,
255 		DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
256 }
257 
258 
259 static void dsc2_disable(struct display_stream_compressor *dsc)
260 {
261 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
262 	int dsc_clock_en;
263 	int dsc_fw_config;
264 	int enabled_opp_pipe;
265 
266 	DC_LOG_DSC("disable DSC %d", dsc->inst);
267 
268 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
269 	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
270 	if (!dsc_clock_en || !dsc_fw_config) {
271 		DC_LOG_DSC("ERROR: DSC %d at opp pipe %d already disabled!", dsc->inst, enabled_opp_pipe);
272 		ASSERT(0);
273 	}
274 
275 	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
276 		DSCRM_DSC_FORWARD_EN, 0);
277 
278 	REG_UPDATE(DSC_TOP_CONTROL,
279 		DSC_CLOCK_EN, 0);
280 }
281 
282 static void dsc2_disconnect(struct display_stream_compressor *dsc)
283 {
284 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
285 
286 	DC_LOG_DSC("disconnect DSC %d", dsc->inst);
287 
288 	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
289 		DSCRM_DSC_FORWARD_EN, 0);
290 }
291 
292 /* This module's internal functions */
293 void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps)
294 {
295 	int i;
296 	int bits_per_pixel = pps->bits_per_pixel;
297 
298 	DC_LOG_DSC("\tdsc_version_major %d", pps->dsc_version_major);
299 	DC_LOG_DSC("\tdsc_version_minor %d", pps->dsc_version_minor);
300 	DC_LOG_DSC("\tbits_per_component %d", pps->bits_per_component);
301 	DC_LOG_DSC("\tline_buf_depth %d", pps->line_buf_depth);
302 	DC_LOG_DSC("\tblock_pred_enable %d", pps->block_pred_enable);
303 	DC_LOG_DSC("\tconvert_rgb %d", pps->convert_rgb);
304 	DC_LOG_DSC("\tsimple_422 %d", pps->simple_422);
305 	DC_LOG_DSC("\tvbr_enable %d", pps->vbr_enable);
306 	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)", bits_per_pixel, bits_per_pixel / 16, ((bits_per_pixel % 16) * 10000) / 16);
307 	DC_LOG_DSC("\tpic_height %d", pps->pic_height);
308 	DC_LOG_DSC("\tpic_width %d", pps->pic_width);
309 	DC_LOG_DSC("\tslice_height %d", pps->slice_height);
310 	DC_LOG_DSC("\tslice_width %d", pps->slice_width);
311 	DC_LOG_DSC("\tslice_chunk_size %d", pps->slice_chunk_size);
312 	DC_LOG_DSC("\tinitial_xmit_delay %d", pps->initial_xmit_delay);
313 	DC_LOG_DSC("\tinitial_dec_delay %d", pps->initial_dec_delay);
314 	DC_LOG_DSC("\tinitial_scale_value %d", pps->initial_scale_value);
315 	DC_LOG_DSC("\tscale_increment_interval %d", pps->scale_increment_interval);
316 	DC_LOG_DSC("\tscale_decrement_interval %d", pps->scale_decrement_interval);
317 	DC_LOG_DSC("\tfirst_line_bpg_offset %d", pps->first_line_bpg_offset);
318 	DC_LOG_DSC("\tnfl_bpg_offset %d", pps->nfl_bpg_offset);
319 	DC_LOG_DSC("\tslice_bpg_offset %d", pps->slice_bpg_offset);
320 	DC_LOG_DSC("\tinitial_offset %d", pps->initial_offset);
321 	DC_LOG_DSC("\tfinal_offset %d", pps->final_offset);
322 	DC_LOG_DSC("\tflatness_min_qp %d", pps->flatness_min_qp);
323 	DC_LOG_DSC("\tflatness_max_qp %d", pps->flatness_max_qp);
324 	/* DC_LOG_DSC("\trc_parameter_set %d", pps->rc_parameter_set); */
325 	DC_LOG_DSC("\tnative_420 %d", pps->native_420);
326 	DC_LOG_DSC("\tnative_422 %d", pps->native_422);
327 	DC_LOG_DSC("\tsecond_line_bpg_offset %d", pps->second_line_bpg_offset);
328 	DC_LOG_DSC("\tnsl_bpg_offset %d", pps->nsl_bpg_offset);
329 	DC_LOG_DSC("\tsecond_line_offset_adj %d", pps->second_line_offset_adj);
330 	DC_LOG_DSC("\trc_model_size %d", pps->rc_model_size);
331 	DC_LOG_DSC("\trc_edge_factor %d", pps->rc_edge_factor);
332 	DC_LOG_DSC("\trc_quant_incr_limit0 %d", pps->rc_quant_incr_limit0);
333 	DC_LOG_DSC("\trc_quant_incr_limit1 %d", pps->rc_quant_incr_limit1);
334 	DC_LOG_DSC("\trc_tgt_offset_high %d", pps->rc_tgt_offset_high);
335 	DC_LOG_DSC("\trc_tgt_offset_low %d", pps->rc_tgt_offset_low);
336 
337 	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
338 		DC_LOG_DSC("\trc_buf_thresh[%d] %d", i, pps->rc_buf_thresh[i]);
339 
340 	for (i = 0; i < NUM_BUF_RANGES; i++) {
341 		DC_LOG_DSC("\trc_range_parameters[%d].range_min_qp %d", i, pps->rc_range_params[i].range_min_qp);
342 		DC_LOG_DSC("\trc_range_parameters[%d].range_max_qp %d", i, pps->rc_range_params[i].range_max_qp);
343 		DC_LOG_DSC("\trc_range_parameters[%d].range_bpg_offset %d", i, pps->rc_range_params[i].range_bpg_offset);
344 	}
345 }
346 
347 void dsc_override_rc_params(struct rc_params *rc, const struct dc_dsc_rc_params_override *override)
348 {
349 	uint8_t i;
350 
351 	rc->rc_model_size = override->rc_model_size;
352 	for (i = 0; i < DC_DSC_RC_BUF_THRESH_SIZE; i++)
353 		rc->rc_buf_thresh[i] = override->rc_buf_thresh[i];
354 	for (i = 0; i < DC_DSC_QP_SET_SIZE; i++) {
355 		rc->qp_min[i] = override->rc_minqp[i];
356 		rc->qp_max[i] = override->rc_maxqp[i];
357 		rc->ofs[i] = override->rc_offset[i];
358 	}
359 
360 	rc->rc_tgt_offset_hi = override->rc_tgt_offset_hi;
361 	rc->rc_tgt_offset_lo = override->rc_tgt_offset_lo;
362 	rc->rc_edge_factor = override->rc_edge_factor;
363 	rc->rc_quant_incr_limit0 = override->rc_quant_incr_limit0;
364 	rc->rc_quant_incr_limit1 = override->rc_quant_incr_limit1;
365 
366 	rc->initial_fullness_offset = override->initial_fullness_offset;
367 	rc->initial_xmit_delay = override->initial_delay;
368 
369 	rc->flatness_min_qp = override->flatness_min_qp;
370 	rc->flatness_max_qp = override->flatness_max_qp;
371 	rc->flatness_det_thresh = override->flatness_det_thresh;
372 }
373 
374 bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values *dsc_reg_vals,
375 			struct dsc_optc_config *dsc_optc_cfg)
376 {
377 	struct dsc_parameters dsc_params;
378 	struct rc_params rc;
379 
380 	/* Validate input parameters */
381 	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_h);
382 	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_v);
383 	ASSERT(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2);
384 	ASSERT(dsc_cfg->pic_width);
385 	ASSERT(dsc_cfg->pic_height);
386 	ASSERT((dsc_cfg->dc_dsc_cfg.version_minor == 1 &&
387 		  (8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13)) ||
388 		(dsc_cfg->dc_dsc_cfg.version_minor == 2 &&
389 		  ((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
390 		    dsc_cfg->dc_dsc_cfg.linebuf_depth == 0)));
391 	ASSERT(96 <= dsc_cfg->dc_dsc_cfg.bits_per_pixel && dsc_cfg->dc_dsc_cfg.bits_per_pixel <= 0x3ff); // 6.0 <= bits_per_pixel <= 63.9375
392 
393 	if (!dsc_cfg->dc_dsc_cfg.num_slices_v || !dsc_cfg->dc_dsc_cfg.num_slices_h ||
394 		!(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2) ||
395 		!dsc_cfg->pic_width || !dsc_cfg->pic_height ||
396 		!((dsc_cfg->dc_dsc_cfg.version_minor == 1 && // v1.1 line buffer depth range:
397 			8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13) ||
398 		(dsc_cfg->dc_dsc_cfg.version_minor == 2 && // v1.2 line buffer depth range:
399 			((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
400 			dsc_cfg->dc_dsc_cfg.linebuf_depth == 0))) ||
401 		!(96 <= dsc_cfg->dc_dsc_cfg.bits_per_pixel && dsc_cfg->dc_dsc_cfg.bits_per_pixel <= 0x3ff)) {
402 		dm_output_to_console("%s: Invalid parameters\n", __func__);
403 		return false;
404 	}
405 
406 	dsc_init_reg_values(dsc_reg_vals);
407 
408 	/* Copy input config */
409 	dsc_reg_vals->pixel_format = dsc_dc_pixel_encoding_to_dsc_pixel_format(dsc_cfg->pixel_encoding, dsc_cfg->dc_dsc_cfg.ycbcr422_simple);
410 	dsc_reg_vals->num_slices_h = dsc_cfg->dc_dsc_cfg.num_slices_h;
411 	dsc_reg_vals->num_slices_v = dsc_cfg->dc_dsc_cfg.num_slices_v;
412 	dsc_reg_vals->pps.dsc_version_minor = dsc_cfg->dc_dsc_cfg.version_minor;
413 	dsc_reg_vals->pps.pic_width = dsc_cfg->pic_width;
414 	dsc_reg_vals->pps.pic_height = dsc_cfg->pic_height;
415 	dsc_reg_vals->pps.bits_per_component = dsc_dc_color_depth_to_dsc_bits_per_comp(dsc_cfg->color_depth);
416 	dsc_reg_vals->pps.block_pred_enable = dsc_cfg->dc_dsc_cfg.block_pred_enable;
417 	dsc_reg_vals->pps.line_buf_depth = dsc_cfg->dc_dsc_cfg.linebuf_depth;
418 	dsc_reg_vals->alternate_ich_encoding_en = dsc_reg_vals->pps.dsc_version_minor == 1 ? 0 : 1;
419 	dsc_reg_vals->ich_reset_at_eol = (dsc_cfg->is_odm || dsc_reg_vals->num_slices_h > 1) ? 0xF : 0;
420 
421 	// TODO: in addition to validating slice height (pic height must be divisible by slice height),
422 	// see what happens when the same condition doesn't apply for slice_width/pic_width.
423 	dsc_reg_vals->pps.slice_width = dsc_cfg->pic_width / dsc_cfg->dc_dsc_cfg.num_slices_h;
424 	dsc_reg_vals->pps.slice_height = dsc_cfg->pic_height / dsc_cfg->dc_dsc_cfg.num_slices_v;
425 
426 	ASSERT(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height);
427 	if (!(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height)) {
428 		dm_output_to_console("%s: pix height %d not divisible by num_slices_v %d\n\n", __func__, dsc_cfg->pic_height, dsc_cfg->dc_dsc_cfg.num_slices_v);
429 		return false;
430 	}
431 
432 	dsc_reg_vals->bpp_x32 = dsc_cfg->dc_dsc_cfg.bits_per_pixel << 1;
433 	if (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
434 		dsc_reg_vals->pps.bits_per_pixel = dsc_reg_vals->bpp_x32;
435 	else
436 		dsc_reg_vals->pps.bits_per_pixel = dsc_reg_vals->bpp_x32 >> 1;
437 
438 	dsc_reg_vals->pps.convert_rgb = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ? 1 : 0;
439 	dsc_reg_vals->pps.native_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422);
440 	dsc_reg_vals->pps.native_420 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420);
441 	dsc_reg_vals->pps.simple_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422);
442 
443 	calc_rc_params(&rc, &dsc_reg_vals->pps);
444 
445 	if (dsc_cfg->dc_dsc_cfg.rc_params_ovrd)
446 		dsc_override_rc_params(&rc, dsc_cfg->dc_dsc_cfg.rc_params_ovrd);
447 
448 	if (dscc_compute_dsc_parameters(&dsc_reg_vals->pps, &rc, &dsc_params)) {
449 		dm_output_to_console("%s: DSC config failed\n", __func__);
450 		return false;
451 	}
452 
453 	dsc_update_from_dsc_parameters(dsc_reg_vals, &dsc_params);
454 
455 	dsc_optc_cfg->bytes_per_pixel = dsc_params.bytes_per_pixel;
456 	dsc_optc_cfg->slice_width = dsc_reg_vals->pps.slice_width;
457 	dsc_optc_cfg->is_pixel_format_444 = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ||
458 					dsc_reg_vals->pixel_format == DSC_PIXFMT_YCBCR444 ||
459 					dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422;
460 
461 	return true;
462 }
463 
464 
465 enum dsc_pixel_format dsc_dc_pixel_encoding_to_dsc_pixel_format(enum dc_pixel_encoding dc_pix_enc, bool is_ycbcr422_simple)
466 {
467 	enum dsc_pixel_format dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
468 
469 	/* NOTE: We don't support DSC_PIXFMT_SIMPLE_YCBCR422 */
470 
471 	switch (dc_pix_enc) {
472 	case PIXEL_ENCODING_RGB:
473 		dsc_pix_fmt = DSC_PIXFMT_RGB;
474 		break;
475 	case PIXEL_ENCODING_YCBCR422:
476 		if (is_ycbcr422_simple)
477 			dsc_pix_fmt = DSC_PIXFMT_SIMPLE_YCBCR422;
478 		else
479 			dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR422;
480 		break;
481 	case PIXEL_ENCODING_YCBCR444:
482 		dsc_pix_fmt = DSC_PIXFMT_YCBCR444;
483 		break;
484 	case PIXEL_ENCODING_YCBCR420:
485 		dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR420;
486 		break;
487 	default:
488 		dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
489 		break;
490 	}
491 
492 	ASSERT(dsc_pix_fmt != DSC_PIXFMT_UNKNOWN);
493 	return dsc_pix_fmt;
494 }
495 
496 
497 enum dsc_bits_per_comp dsc_dc_color_depth_to_dsc_bits_per_comp(enum dc_color_depth dc_color_depth)
498 {
499 	enum dsc_bits_per_comp bpc = DSC_BPC_UNKNOWN;
500 
501 	switch (dc_color_depth) {
502 	case COLOR_DEPTH_888:
503 		bpc = DSC_BPC_8;
504 		break;
505 	case COLOR_DEPTH_101010:
506 		bpc = DSC_BPC_10;
507 		break;
508 	case COLOR_DEPTH_121212:
509 		bpc = DSC_BPC_12;
510 		break;
511 	default:
512 		bpc = DSC_BPC_UNKNOWN;
513 		break;
514 	}
515 
516 	return bpc;
517 }
518 
519 
520 void dsc_init_reg_values(struct dsc_reg_values *reg_vals)
521 {
522 	int i;
523 
524 	memset(reg_vals, 0, sizeof(struct dsc_reg_values));
525 
526 	/* Non-PPS values */
527 	reg_vals->dsc_clock_enable            = 1;
528 	reg_vals->dsc_clock_gating_disable    = 0;
529 	reg_vals->underflow_recovery_en       = 0;
530 	reg_vals->underflow_occurred_int_en   = 0;
531 	reg_vals->underflow_occurred_status   = 0;
532 	reg_vals->ich_reset_at_eol            = 0;
533 	reg_vals->alternate_ich_encoding_en   = 0;
534 	reg_vals->rc_buffer_model_size        = 0;
535 	/*reg_vals->disable_ich                 = 0;*/
536 	reg_vals->dsc_dbg_en                  = 0;
537 
538 	for (i = 0; i < 4; i++)
539 		reg_vals->rc_buffer_model_overflow_int_en[i] = 0;
540 
541 	/* PPS values */
542 	reg_vals->pps.dsc_version_minor           = 2;
543 	reg_vals->pps.dsc_version_major           = 1;
544 	reg_vals->pps.line_buf_depth              = 9;
545 	reg_vals->pps.bits_per_component          = 8;
546 	reg_vals->pps.block_pred_enable           = 1;
547 	reg_vals->pps.slice_chunk_size            = 0;
548 	reg_vals->pps.pic_width                   = 0;
549 	reg_vals->pps.pic_height                  = 0;
550 	reg_vals->pps.slice_width                 = 0;
551 	reg_vals->pps.slice_height                = 0;
552 	reg_vals->pps.initial_xmit_delay          = 170;
553 	reg_vals->pps.initial_dec_delay           = 0;
554 	reg_vals->pps.initial_scale_value         = 0;
555 	reg_vals->pps.scale_increment_interval    = 0;
556 	reg_vals->pps.scale_decrement_interval    = 0;
557 	reg_vals->pps.nfl_bpg_offset              = 0;
558 	reg_vals->pps.slice_bpg_offset            = 0;
559 	reg_vals->pps.nsl_bpg_offset              = 0;
560 	reg_vals->pps.initial_offset              = 6144;
561 	reg_vals->pps.final_offset                = 0;
562 	reg_vals->pps.flatness_min_qp             = 3;
563 	reg_vals->pps.flatness_max_qp             = 12;
564 	reg_vals->pps.rc_model_size               = 8192;
565 	reg_vals->pps.rc_edge_factor              = 6;
566 	reg_vals->pps.rc_quant_incr_limit0        = 11;
567 	reg_vals->pps.rc_quant_incr_limit1        = 11;
568 	reg_vals->pps.rc_tgt_offset_low           = 3;
569 	reg_vals->pps.rc_tgt_offset_high          = 3;
570 }
571 
572 /* Updates dsc_reg_values::reg_vals::xxx fields based on the values from computed params.
573  * This is required because dscc_compute_dsc_parameters returns a modified PPS, which in turn
574  * affects non-PPS register values.
575  */
576 void dsc_update_from_dsc_parameters(struct dsc_reg_values *reg_vals, const struct dsc_parameters *dsc_params)
577 {
578 	int i;
579 
580 	reg_vals->pps = dsc_params->pps;
581 
582 	// pps_computed will have the "expanded" values; need to shift them to make them fit for regs.
583 	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
584 		reg_vals->pps.rc_buf_thresh[i] = reg_vals->pps.rc_buf_thresh[i] >> 6;
585 
586 	reg_vals->rc_buffer_model_size = dsc_params->rc_buffer_model_size;
587 }
588 
589 static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals)
590 {
591 	uint32_t temp_int;
592 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
593 
594 	REG_SET(DSC_DEBUG_CONTROL, 0,
595 		DSC_DBG_EN, reg_vals->dsc_dbg_en);
596 
597 	// dsccif registers
598 	REG_SET_5(DSCCIF_CONFIG0, 0,
599 		INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN, reg_vals->underflow_recovery_en,
600 		INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN, reg_vals->underflow_occurred_int_en,
601 		INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS, reg_vals->underflow_occurred_status,
602 		INPUT_PIXEL_FORMAT, reg_vals->pixel_format,
603 		DSCCIF_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
604 
605 	REG_SET_2(DSCCIF_CONFIG1, 0,
606 		PIC_WIDTH, reg_vals->pps.pic_width,
607 		PIC_HEIGHT, reg_vals->pps.pic_height);
608 
609 	// dscc registers
610 	if (dsc20->dsc_mask->ICH_RESET_AT_END_OF_LINE == 0) {
611 		REG_SET_3(DSCC_CONFIG0, 0,
612 			  NUMBER_OF_SLICES_PER_LINE, reg_vals->num_slices_h - 1,
613 			  ALTERNATE_ICH_ENCODING_EN, reg_vals->alternate_ich_encoding_en,
614 			  NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, reg_vals->num_slices_v - 1);
615 	} else {
616 		REG_SET_4(DSCC_CONFIG0, 0, ICH_RESET_AT_END_OF_LINE,
617 			  reg_vals->ich_reset_at_eol, NUMBER_OF_SLICES_PER_LINE,
618 			  reg_vals->num_slices_h - 1, ALTERNATE_ICH_ENCODING_EN,
619 			  reg_vals->alternate_ich_encoding_en, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION,
620 			  reg_vals->num_slices_v - 1);
621 	}
622 
623 	REG_SET(DSCC_CONFIG1, 0,
624 			DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size);
625 	/*REG_SET_2(DSCC_CONFIG1, 0,
626 		DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size,
627 		DSCC_DISABLE_ICH, reg_vals->disable_ich);*/
628 
629 	REG_SET_4(DSCC_INTERRUPT_CONTROL_STATUS, 0,
630 		DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[0],
631 		DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[1],
632 		DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[2],
633 		DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[3]);
634 
635 	REG_SET_3(DSCC_PPS_CONFIG0, 0,
636 		DSC_VERSION_MINOR, reg_vals->pps.dsc_version_minor,
637 		LINEBUF_DEPTH, reg_vals->pps.line_buf_depth,
638 		DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
639 
640 	if (reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
641 		temp_int = reg_vals->bpp_x32;
642 	else
643 		temp_int = reg_vals->bpp_x32 >> 1;
644 
645 	REG_SET_7(DSCC_PPS_CONFIG1, 0,
646 		BITS_PER_PIXEL, temp_int,
647 		SIMPLE_422, reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422,
648 		CONVERT_RGB, reg_vals->pixel_format == DSC_PIXFMT_RGB,
649 		BLOCK_PRED_ENABLE, reg_vals->pps.block_pred_enable,
650 		NATIVE_422, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422,
651 		NATIVE_420, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420,
652 		CHUNK_SIZE, reg_vals->pps.slice_chunk_size);
653 
654 	REG_SET_2(DSCC_PPS_CONFIG2, 0,
655 		PIC_WIDTH, reg_vals->pps.pic_width,
656 		PIC_HEIGHT, reg_vals->pps.pic_height);
657 
658 	REG_SET_2(DSCC_PPS_CONFIG3, 0,
659 		SLICE_WIDTH, reg_vals->pps.slice_width,
660 		SLICE_HEIGHT, reg_vals->pps.slice_height);
661 
662 	REG_SET(DSCC_PPS_CONFIG4, 0,
663 		INITIAL_XMIT_DELAY, reg_vals->pps.initial_xmit_delay);
664 
665 	REG_SET_2(DSCC_PPS_CONFIG5, 0,
666 		INITIAL_SCALE_VALUE, reg_vals->pps.initial_scale_value,
667 		SCALE_INCREMENT_INTERVAL, reg_vals->pps.scale_increment_interval);
668 
669 	REG_SET_3(DSCC_PPS_CONFIG6, 0,
670 		SCALE_DECREMENT_INTERVAL, reg_vals->pps.scale_decrement_interval,
671 		FIRST_LINE_BPG_OFFSET, reg_vals->pps.first_line_bpg_offset,
672 		SECOND_LINE_BPG_OFFSET, reg_vals->pps.second_line_bpg_offset);
673 
674 	REG_SET_2(DSCC_PPS_CONFIG7, 0,
675 		NFL_BPG_OFFSET, reg_vals->pps.nfl_bpg_offset,
676 		SLICE_BPG_OFFSET, reg_vals->pps.slice_bpg_offset);
677 
678 	REG_SET_2(DSCC_PPS_CONFIG8, 0,
679 		NSL_BPG_OFFSET, reg_vals->pps.nsl_bpg_offset,
680 		SECOND_LINE_OFFSET_ADJ, reg_vals->pps.second_line_offset_adj);
681 
682 	REG_SET_2(DSCC_PPS_CONFIG9, 0,
683 		INITIAL_OFFSET, reg_vals->pps.initial_offset,
684 		FINAL_OFFSET, reg_vals->pps.final_offset);
685 
686 	REG_SET_3(DSCC_PPS_CONFIG10, 0,
687 		FLATNESS_MIN_QP, reg_vals->pps.flatness_min_qp,
688 		FLATNESS_MAX_QP, reg_vals->pps.flatness_max_qp,
689 		RC_MODEL_SIZE, reg_vals->pps.rc_model_size);
690 
691 	REG_SET_5(DSCC_PPS_CONFIG11, 0,
692 		RC_EDGE_FACTOR, reg_vals->pps.rc_edge_factor,
693 		RC_QUANT_INCR_LIMIT0, reg_vals->pps.rc_quant_incr_limit0,
694 		RC_QUANT_INCR_LIMIT1, reg_vals->pps.rc_quant_incr_limit1,
695 		RC_TGT_OFFSET_LO, reg_vals->pps.rc_tgt_offset_low,
696 		RC_TGT_OFFSET_HI, reg_vals->pps.rc_tgt_offset_high);
697 
698 	REG_SET_4(DSCC_PPS_CONFIG12, 0,
699 		RC_BUF_THRESH0, reg_vals->pps.rc_buf_thresh[0],
700 		RC_BUF_THRESH1, reg_vals->pps.rc_buf_thresh[1],
701 		RC_BUF_THRESH2, reg_vals->pps.rc_buf_thresh[2],
702 		RC_BUF_THRESH3, reg_vals->pps.rc_buf_thresh[3]);
703 
704 	REG_SET_4(DSCC_PPS_CONFIG13, 0,
705 		RC_BUF_THRESH4, reg_vals->pps.rc_buf_thresh[4],
706 		RC_BUF_THRESH5, reg_vals->pps.rc_buf_thresh[5],
707 		RC_BUF_THRESH6, reg_vals->pps.rc_buf_thresh[6],
708 		RC_BUF_THRESH7, reg_vals->pps.rc_buf_thresh[7]);
709 
710 	REG_SET_4(DSCC_PPS_CONFIG14, 0,
711 		RC_BUF_THRESH8, reg_vals->pps.rc_buf_thresh[8],
712 		RC_BUF_THRESH9, reg_vals->pps.rc_buf_thresh[9],
713 		RC_BUF_THRESH10, reg_vals->pps.rc_buf_thresh[10],
714 		RC_BUF_THRESH11, reg_vals->pps.rc_buf_thresh[11]);
715 
716 	REG_SET_5(DSCC_PPS_CONFIG15, 0,
717 		RC_BUF_THRESH12, reg_vals->pps.rc_buf_thresh[12],
718 		RC_BUF_THRESH13, reg_vals->pps.rc_buf_thresh[13],
719 		RANGE_MIN_QP0, reg_vals->pps.rc_range_params[0].range_min_qp,
720 		RANGE_MAX_QP0, reg_vals->pps.rc_range_params[0].range_max_qp,
721 		RANGE_BPG_OFFSET0, reg_vals->pps.rc_range_params[0].range_bpg_offset);
722 
723 	REG_SET_6(DSCC_PPS_CONFIG16, 0,
724 		RANGE_MIN_QP1, reg_vals->pps.rc_range_params[1].range_min_qp,
725 		RANGE_MAX_QP1, reg_vals->pps.rc_range_params[1].range_max_qp,
726 		RANGE_BPG_OFFSET1, reg_vals->pps.rc_range_params[1].range_bpg_offset,
727 		RANGE_MIN_QP2, reg_vals->pps.rc_range_params[2].range_min_qp,
728 		RANGE_MAX_QP2, reg_vals->pps.rc_range_params[2].range_max_qp,
729 		RANGE_BPG_OFFSET2, reg_vals->pps.rc_range_params[2].range_bpg_offset);
730 
731 	REG_SET_6(DSCC_PPS_CONFIG17, 0,
732 		RANGE_MIN_QP3, reg_vals->pps.rc_range_params[3].range_min_qp,
733 		RANGE_MAX_QP3, reg_vals->pps.rc_range_params[3].range_max_qp,
734 		RANGE_BPG_OFFSET3, reg_vals->pps.rc_range_params[3].range_bpg_offset,
735 		RANGE_MIN_QP4, reg_vals->pps.rc_range_params[4].range_min_qp,
736 		RANGE_MAX_QP4, reg_vals->pps.rc_range_params[4].range_max_qp,
737 		RANGE_BPG_OFFSET4, reg_vals->pps.rc_range_params[4].range_bpg_offset);
738 
739 	REG_SET_6(DSCC_PPS_CONFIG18, 0,
740 		RANGE_MIN_QP5, reg_vals->pps.rc_range_params[5].range_min_qp,
741 		RANGE_MAX_QP5, reg_vals->pps.rc_range_params[5].range_max_qp,
742 		RANGE_BPG_OFFSET5, reg_vals->pps.rc_range_params[5].range_bpg_offset,
743 		RANGE_MIN_QP6, reg_vals->pps.rc_range_params[6].range_min_qp,
744 		RANGE_MAX_QP6, reg_vals->pps.rc_range_params[6].range_max_qp,
745 		RANGE_BPG_OFFSET6, reg_vals->pps.rc_range_params[6].range_bpg_offset);
746 
747 	REG_SET_6(DSCC_PPS_CONFIG19, 0,
748 		RANGE_MIN_QP7, reg_vals->pps.rc_range_params[7].range_min_qp,
749 		RANGE_MAX_QP7, reg_vals->pps.rc_range_params[7].range_max_qp,
750 		RANGE_BPG_OFFSET7, reg_vals->pps.rc_range_params[7].range_bpg_offset,
751 		RANGE_MIN_QP8, reg_vals->pps.rc_range_params[8].range_min_qp,
752 		RANGE_MAX_QP8, reg_vals->pps.rc_range_params[8].range_max_qp,
753 		RANGE_BPG_OFFSET8, reg_vals->pps.rc_range_params[8].range_bpg_offset);
754 
755 	REG_SET_6(DSCC_PPS_CONFIG20, 0,
756 		RANGE_MIN_QP9, reg_vals->pps.rc_range_params[9].range_min_qp,
757 		RANGE_MAX_QP9, reg_vals->pps.rc_range_params[9].range_max_qp,
758 		RANGE_BPG_OFFSET9, reg_vals->pps.rc_range_params[9].range_bpg_offset,
759 		RANGE_MIN_QP10, reg_vals->pps.rc_range_params[10].range_min_qp,
760 		RANGE_MAX_QP10, reg_vals->pps.rc_range_params[10].range_max_qp,
761 		RANGE_BPG_OFFSET10, reg_vals->pps.rc_range_params[10].range_bpg_offset);
762 
763 	REG_SET_6(DSCC_PPS_CONFIG21, 0,
764 		RANGE_MIN_QP11, reg_vals->pps.rc_range_params[11].range_min_qp,
765 		RANGE_MAX_QP11, reg_vals->pps.rc_range_params[11].range_max_qp,
766 		RANGE_BPG_OFFSET11, reg_vals->pps.rc_range_params[11].range_bpg_offset,
767 		RANGE_MIN_QP12, reg_vals->pps.rc_range_params[12].range_min_qp,
768 		RANGE_MAX_QP12, reg_vals->pps.rc_range_params[12].range_max_qp,
769 		RANGE_BPG_OFFSET12, reg_vals->pps.rc_range_params[12].range_bpg_offset);
770 
771 	REG_SET_6(DSCC_PPS_CONFIG22, 0,
772 		RANGE_MIN_QP13, reg_vals->pps.rc_range_params[13].range_min_qp,
773 		RANGE_MAX_QP13, reg_vals->pps.rc_range_params[13].range_max_qp,
774 		RANGE_BPG_OFFSET13, reg_vals->pps.rc_range_params[13].range_bpg_offset,
775 		RANGE_MIN_QP14, reg_vals->pps.rc_range_params[14].range_min_qp,
776 		RANGE_MAX_QP14, reg_vals->pps.rc_range_params[14].range_max_qp,
777 		RANGE_BPG_OFFSET14, reg_vals->pps.rc_range_params[14].range_bpg_offset);
778 
779 }
780 
781