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