xref: /linux/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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 static const struct dsc_funcs dcn20_dsc_funcs = {
36 	.dsc_get_enc_caps = dsc2_get_enc_caps,
37 	.dsc_read_state = dsc2_read_state,
38 	.dsc_validate_stream = dsc2_validate_stream,
39 	.dsc_set_config = dsc2_set_config,
40 	.dsc_get_packed_pps = dsc2_get_packed_pps,
41 	.dsc_enable = dsc2_enable,
42 	.dsc_disable = dsc2_disable,
43 	.dsc_disconnect = dsc2_disconnect,
44 	.dsc_wait_disconnect_pending_clear = dsc2_wait_disconnect_pending_clear,
45 };
46 
47 /* Macro definitios for REG_SET macros*/
48 #define CTX \
49 	dsc20->base.ctx
50 
51 #define REG(reg)\
52 	dsc20->dsc_regs->reg
53 
54 #undef FN
55 #define FN(reg_name, field_name) \
56 	dsc20->dsc_shift->field_name, dsc20->dsc_mask->field_name
57 #define DC_LOGGER \
58 	dsc->ctx->logger
59 
60 enum dsc_bits_per_comp {
61 	DSC_BPC_8 = 8,
62 	DSC_BPC_10 = 10,
63 	DSC_BPC_12 = 12,
64 	DSC_BPC_UNKNOWN
65 };
66 
67 /* API functions (external or via structure->function_pointer) */
68 
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)69 void dsc2_construct(struct dcn20_dsc *dsc,
70 		struct dc_context *ctx,
71 		int inst,
72 		const struct dcn20_dsc_registers *dsc_regs,
73 		const struct dcn20_dsc_shift *dsc_shift,
74 		const struct dcn20_dsc_mask *dsc_mask)
75 {
76 	dsc->base.ctx = ctx;
77 	dsc->base.inst = inst;
78 	dsc->base.funcs = &dcn20_dsc_funcs;
79 
80 	dsc->dsc_regs = dsc_regs;
81 	dsc->dsc_shift = dsc_shift;
82 	dsc->dsc_mask = dsc_mask;
83 
84 	dsc->max_image_width = 5184;
85 }
86 
87 
88 #define DCN20_MAX_PIXEL_CLOCK_Mhz      1188
89 #define DCN20_MAX_DISPLAY_CLOCK_Mhz    1200
90 
91 /* This returns the capabilities for a single DSC encoder engine. Number of slices and total throughput
92  * can be doubled, tripled etc. by using additional DSC engines.
93  */
dsc2_get_enc_caps(struct dsc_enc_caps * dsc_enc_caps,int pixel_clock_100Hz)94 void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz)
95 {
96 	dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */
97 
98 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1;
99 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1;
100 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1;
101 	dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1;
102 
103 	dsc_enc_caps->lb_bit_depth = 13;
104 	dsc_enc_caps->is_block_pred_supported = true;
105 
106 	dsc_enc_caps->color_formats.bits.RGB = 1;
107 	dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
108 	dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
109 	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 0;
110 	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;
111 
112 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;
113 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1;
114 	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1;
115 
116 	/* Maximum total throughput with all the slices combined. This is different from how DP spec specifies it.
117 	 * Our decoder's total throughput in Pix/s is equal to DISPCLK. This is then shared between slices.
118 	 * The value below is the absolute maximum value. The actual throughput may be lower, but it'll always
119 	 * be sufficient to process the input pixel rate fed into a single DSC engine.
120 	 */
121 	dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz;
122 
123 	/* For pixel clock bigger than a single-pipe limit we'll need two engines, which then doubles our
124 	 * throughput and number of slices, but also introduces a lower limit of 2 slices
125 	 */
126 	if (pixel_clock_100Hz >= DCN20_MAX_PIXEL_CLOCK_Mhz*10000) {
127 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 0;
128 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_8 = 1;
129 		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 2;
130 	}
131 
132 	/* For pixel clock bigger than a single-pipe limit needing four engines ODM 4:1, which then quardruples our
133 	 * throughput and number of slices
134 	 */
135 	if (pixel_clock_100Hz > DCN20_MAX_PIXEL_CLOCK_Mhz*10000*2) {
136 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_12 = 1;
137 		dsc_enc_caps->slice_caps.bits.NUM_SLICES_16 = 1;
138 		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 4;
139 	}
140 
141 	dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
142 	dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
143 }
144 
145 
146 /* this function read dsc related register fields to be logged later in dcn10_log_hw_state
147  * into a dcn_dsc_state struct.
148  */
dsc2_read_state(struct display_stream_compressor * dsc,struct dcn_dsc_state * s)149 void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s)
150 {
151 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
152 
153 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &s->dsc_clock_en);
154 	REG_GET(DSCC_PPS_CONFIG3, SLICE_WIDTH, &s->dsc_slice_width);
155 	REG_GET(DSCC_PPS_CONFIG1, BITS_PER_PIXEL, &s->dsc_bits_per_pixel);
156 	REG_GET(DSCC_PPS_CONFIG3, SLICE_HEIGHT, &s->dsc_slice_height);
157 	REG_GET(DSCC_PPS_CONFIG1, CHUNK_SIZE, &s->dsc_chunk_size);
158 	REG_GET(DSCC_PPS_CONFIG2, PIC_WIDTH, &s->dsc_pic_width);
159 	REG_GET(DSCC_PPS_CONFIG2, PIC_HEIGHT, &s->dsc_pic_height);
160 	REG_GET(DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, &s->dsc_slice_bpg_offset);
161 	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &s->dsc_fw_en,
162 		DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source);
163 }
164 
165 
dsc2_validate_stream(struct display_stream_compressor * dsc,const struct dsc_config * dsc_cfg)166 bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg)
167 {
168 	struct dsc_optc_config dsc_optc_cfg;
169 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
170 
171 	if (dsc_cfg->pic_width > dsc20->max_image_width)
172 		return false;
173 
174 	return dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, &dsc_optc_cfg);
175 }
176 
177 
dsc_config_log(struct display_stream_compressor * dsc,const struct dsc_config * config)178 void dsc_config_log(struct display_stream_compressor *dsc, const struct dsc_config *config)
179 {
180 	DC_LOG_DSC("\tnum_slices_h %d", config->dc_dsc_cfg.num_slices_h);
181 	DC_LOG_DSC("\tnum_slices_v %d", config->dc_dsc_cfg.num_slices_v);
182 	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)",
183 		config->dc_dsc_cfg.bits_per_pixel,
184 		config->dc_dsc_cfg.bits_per_pixel / 16,
185 		((config->dc_dsc_cfg.bits_per_pixel % 16) * 10000) / 16);
186 	DC_LOG_DSC("\tcolor_depth %d", config->color_depth);
187 }
188 
dsc2_set_config(struct display_stream_compressor * dsc,const struct dsc_config * dsc_cfg,struct dsc_optc_config * dsc_optc_cfg)189 void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
190 		struct dsc_optc_config *dsc_optc_cfg)
191 {
192 	bool is_config_ok;
193 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
194 
195 	DC_LOG_DSC("Setting DSC Config at DSC inst %d", dsc->inst);
196 	dsc_config_log(dsc, dsc_cfg);
197 	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, dsc_optc_cfg);
198 	ASSERT(is_config_ok);
199 	DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):");
200 	dsc_log_pps(dsc, &dsc20->reg_vals.pps);
201 	dsc_write_to_registers(dsc, &dsc20->reg_vals);
202 }
203 
204 
dsc2_get_packed_pps(struct display_stream_compressor * dsc,const struct dsc_config * dsc_cfg,uint8_t * dsc_packed_pps)205 bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, uint8_t *dsc_packed_pps)
206 {
207 	bool is_config_ok;
208 	struct dsc_reg_values dsc_reg_vals;
209 	struct dsc_optc_config dsc_optc_cfg;
210 
211 	memset(&dsc_reg_vals, 0, sizeof(dsc_reg_vals));
212 	memset(&dsc_optc_cfg, 0, sizeof(dsc_optc_cfg));
213 
214 	DC_LOG_DSC("Getting packed DSC PPS for DSC Config:");
215 	dsc_config_log(dsc, dsc_cfg);
216 	DC_LOG_DSC("DSC Picture Parameter Set (PPS):");
217 	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc_reg_vals, &dsc_optc_cfg);
218 	ASSERT(is_config_ok);
219 	drm_dsc_pps_payload_pack((struct drm_dsc_picture_parameter_set *)dsc_packed_pps, &dsc_reg_vals.pps);
220 	dsc_log_pps(dsc, &dsc_reg_vals.pps);
221 
222 	return is_config_ok;
223 }
224 
225 
dsc2_enable(struct display_stream_compressor * dsc,int opp_pipe)226 void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe)
227 {
228 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
229 	int dsc_clock_en;
230 	int dsc_fw_config;
231 	int enabled_opp_pipe;
232 
233 	DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
234 
235 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
236 	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
237 	if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
238 		DC_LOG_DSC("ERROR: DSC %d at opp pipe %d already enabled!", dsc->inst, enabled_opp_pipe);
239 		ASSERT(0);
240 	}
241 
242 	REG_UPDATE(DSC_TOP_CONTROL,
243 		DSC_CLOCK_EN, 1);
244 
245 	REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
246 		DSCRM_DSC_FORWARD_EN, 1,
247 		DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
248 }
249 
250 
dsc2_disable(struct display_stream_compressor * dsc)251 void dsc2_disable(struct display_stream_compressor *dsc)
252 {
253 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
254 	int dsc_clock_en;
255 
256 	DC_LOG_DSC("disable DSC %d", dsc->inst);
257 
258 	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
259 	if (!dsc_clock_en) {
260 		DC_LOG_DSC("DSC %d already disabled!", dsc->inst);
261 	}
262 
263 	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
264 		DSCRM_DSC_FORWARD_EN, 0);
265 
266 	REG_UPDATE(DSC_TOP_CONTROL,
267 		DSC_CLOCK_EN, 0);
268 }
269 
dsc2_wait_disconnect_pending_clear(struct display_stream_compressor * dsc)270 void dsc2_wait_disconnect_pending_clear(struct display_stream_compressor *dsc)
271 {
272 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
273 
274 	REG_WAIT(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_DOUBLE_BUFFER_REG_UPDATE_PENDING, 0, 2, 50000);
275 }
276 
dsc2_disconnect(struct display_stream_compressor * dsc)277 void dsc2_disconnect(struct display_stream_compressor *dsc)
278 {
279 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
280 
281 	DC_LOG_DSC("disconnect DSC %d", dsc->inst);
282 
283 	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
284 		DSCRM_DSC_FORWARD_EN, 0);
285 }
286 
287 /* This module's internal functions */
dsc_log_pps(struct display_stream_compressor * dsc,struct drm_dsc_config * pps)288 void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps)
289 {
290 	int i;
291 	int bits_per_pixel = pps->bits_per_pixel;
292 
293 	DC_LOG_DSC("\tdsc_version_major %d", pps->dsc_version_major);
294 	DC_LOG_DSC("\tdsc_version_minor %d", pps->dsc_version_minor);
295 	DC_LOG_DSC("\tbits_per_component %d", pps->bits_per_component);
296 	DC_LOG_DSC("\tline_buf_depth %d", pps->line_buf_depth);
297 	DC_LOG_DSC("\tblock_pred_enable %d", pps->block_pred_enable);
298 	DC_LOG_DSC("\tconvert_rgb %d", pps->convert_rgb);
299 	DC_LOG_DSC("\tsimple_422 %d", pps->simple_422);
300 	DC_LOG_DSC("\tvbr_enable %d", pps->vbr_enable);
301 	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)", bits_per_pixel, bits_per_pixel / 16, ((bits_per_pixel % 16) * 10000) / 16);
302 	DC_LOG_DSC("\tpic_height %d", pps->pic_height);
303 	DC_LOG_DSC("\tpic_width %d", pps->pic_width);
304 	DC_LOG_DSC("\tslice_height %d", pps->slice_height);
305 	DC_LOG_DSC("\tslice_width %d", pps->slice_width);
306 	DC_LOG_DSC("\tslice_chunk_size %d", pps->slice_chunk_size);
307 	DC_LOG_DSC("\tinitial_xmit_delay %d", pps->initial_xmit_delay);
308 	DC_LOG_DSC("\tinitial_dec_delay %d", pps->initial_dec_delay);
309 	DC_LOG_DSC("\tinitial_scale_value %d", pps->initial_scale_value);
310 	DC_LOG_DSC("\tscale_increment_interval %d", pps->scale_increment_interval);
311 	DC_LOG_DSC("\tscale_decrement_interval %d", pps->scale_decrement_interval);
312 	DC_LOG_DSC("\tfirst_line_bpg_offset %d", pps->first_line_bpg_offset);
313 	DC_LOG_DSC("\tnfl_bpg_offset %d", pps->nfl_bpg_offset);
314 	DC_LOG_DSC("\tslice_bpg_offset %d", pps->slice_bpg_offset);
315 	DC_LOG_DSC("\tinitial_offset %d", pps->initial_offset);
316 	DC_LOG_DSC("\tfinal_offset %d", pps->final_offset);
317 	DC_LOG_DSC("\tflatness_min_qp %d", pps->flatness_min_qp);
318 	DC_LOG_DSC("\tflatness_max_qp %d", pps->flatness_max_qp);
319 	/* DC_LOG_DSC("\trc_parameter_set %d", pps->rc_parameter_set); */
320 	DC_LOG_DSC("\tnative_420 %d", pps->native_420);
321 	DC_LOG_DSC("\tnative_422 %d", pps->native_422);
322 	DC_LOG_DSC("\tsecond_line_bpg_offset %d", pps->second_line_bpg_offset);
323 	DC_LOG_DSC("\tnsl_bpg_offset %d", pps->nsl_bpg_offset);
324 	DC_LOG_DSC("\tsecond_line_offset_adj %d", pps->second_line_offset_adj);
325 	DC_LOG_DSC("\trc_model_size %d", pps->rc_model_size);
326 	DC_LOG_DSC("\trc_edge_factor %d", pps->rc_edge_factor);
327 	DC_LOG_DSC("\trc_quant_incr_limit0 %d", pps->rc_quant_incr_limit0);
328 	DC_LOG_DSC("\trc_quant_incr_limit1 %d", pps->rc_quant_incr_limit1);
329 	DC_LOG_DSC("\trc_tgt_offset_high %d", pps->rc_tgt_offset_high);
330 	DC_LOG_DSC("\trc_tgt_offset_low %d", pps->rc_tgt_offset_low);
331 
332 	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
333 		DC_LOG_DSC("\trc_buf_thresh[%d] %d", i, pps->rc_buf_thresh[i]);
334 
335 	for (i = 0; i < NUM_BUF_RANGES; i++) {
336 		DC_LOG_DSC("\trc_range_parameters[%d].range_min_qp %d", i, pps->rc_range_params[i].range_min_qp);
337 		DC_LOG_DSC("\trc_range_parameters[%d].range_max_qp %d", i, pps->rc_range_params[i].range_max_qp);
338 		DC_LOG_DSC("\trc_range_parameters[%d].range_bpg_offset %d", i, pps->rc_range_params[i].range_bpg_offset);
339 	}
340 }
341 
dsc_override_rc_params(struct rc_params * rc,const struct dc_dsc_rc_params_override * override)342 void dsc_override_rc_params(struct rc_params *rc, const struct dc_dsc_rc_params_override *override)
343 {
344 	uint8_t i;
345 
346 	rc->rc_model_size = override->rc_model_size;
347 	for (i = 0; i < DC_DSC_RC_BUF_THRESH_SIZE; i++)
348 		rc->rc_buf_thresh[i] = override->rc_buf_thresh[i];
349 	for (i = 0; i < DC_DSC_QP_SET_SIZE; i++) {
350 		rc->qp_min[i] = override->rc_minqp[i];
351 		rc->qp_max[i] = override->rc_maxqp[i];
352 		rc->ofs[i] = override->rc_offset[i];
353 	}
354 
355 	rc->rc_tgt_offset_hi = override->rc_tgt_offset_hi;
356 	rc->rc_tgt_offset_lo = override->rc_tgt_offset_lo;
357 	rc->rc_edge_factor = override->rc_edge_factor;
358 	rc->rc_quant_incr_limit0 = override->rc_quant_incr_limit0;
359 	rc->rc_quant_incr_limit1 = override->rc_quant_incr_limit1;
360 
361 	rc->initial_fullness_offset = override->initial_fullness_offset;
362 	rc->initial_xmit_delay = override->initial_delay;
363 
364 	rc->flatness_min_qp = override->flatness_min_qp;
365 	rc->flatness_max_qp = override->flatness_max_qp;
366 	rc->flatness_det_thresh = override->flatness_det_thresh;
367 }
368 
dsc_prepare_config(const struct dsc_config * dsc_cfg,struct dsc_reg_values * dsc_reg_vals,struct dsc_optc_config * dsc_optc_cfg)369 bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values *dsc_reg_vals,
370 			struct dsc_optc_config *dsc_optc_cfg)
371 {
372 	struct dsc_parameters dsc_params;
373 	struct rc_params rc;
374 
375 	/* Validate input parameters */
376 	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_h);
377 	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_v);
378 	ASSERT(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2);
379 	ASSERT(dsc_cfg->pic_width);
380 	ASSERT(dsc_cfg->pic_height);
381 	ASSERT((dsc_cfg->dc_dsc_cfg.version_minor == 1 &&
382 		  (8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13)) ||
383 		(dsc_cfg->dc_dsc_cfg.version_minor == 2 &&
384 		  ((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
385 		    dsc_cfg->dc_dsc_cfg.linebuf_depth == 0)));
386 	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
387 
388 	if (!dsc_cfg->dc_dsc_cfg.num_slices_v || !dsc_cfg->dc_dsc_cfg.num_slices_h ||
389 		!(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2) ||
390 		!dsc_cfg->pic_width || !dsc_cfg->pic_height ||
391 		!((dsc_cfg->dc_dsc_cfg.version_minor == 1 && // v1.1 line buffer depth range:
392 			8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13) ||
393 		(dsc_cfg->dc_dsc_cfg.version_minor == 2 && // v1.2 line buffer depth range:
394 			((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
395 			dsc_cfg->dc_dsc_cfg.linebuf_depth == 0))) ||
396 		!(96 <= dsc_cfg->dc_dsc_cfg.bits_per_pixel && dsc_cfg->dc_dsc_cfg.bits_per_pixel <= 0x3ff)) {
397 		dm_output_to_console("%s: Invalid parameters\n", __func__);
398 		return false;
399 	}
400 
401 	dsc_init_reg_values(dsc_reg_vals);
402 
403 	/* Copy input config */
404 	dsc_reg_vals->pixel_format = dsc_dc_pixel_encoding_to_dsc_pixel_format(dsc_cfg->pixel_encoding, dsc_cfg->dc_dsc_cfg.ycbcr422_simple);
405 	dsc_reg_vals->num_slices_h = dsc_cfg->dc_dsc_cfg.num_slices_h;
406 	dsc_reg_vals->num_slices_v = dsc_cfg->dc_dsc_cfg.num_slices_v;
407 	dsc_reg_vals->pps.dsc_version_minor = dsc_cfg->dc_dsc_cfg.version_minor;
408 	dsc_reg_vals->pps.pic_width = dsc_cfg->pic_width;
409 	dsc_reg_vals->pps.pic_height = dsc_cfg->pic_height;
410 	dsc_reg_vals->pps.bits_per_component = dsc_dc_color_depth_to_dsc_bits_per_comp(dsc_cfg->color_depth);
411 	dsc_reg_vals->pps.block_pred_enable = dsc_cfg->dc_dsc_cfg.block_pred_enable;
412 	dsc_reg_vals->pps.line_buf_depth = dsc_cfg->dc_dsc_cfg.linebuf_depth;
413 	dsc_reg_vals->alternate_ich_encoding_en = dsc_reg_vals->pps.dsc_version_minor == 1 ? 0 : 1;
414 	dsc_reg_vals->ich_reset_at_eol = (dsc_cfg->is_odm || dsc_reg_vals->num_slices_h > 1) ? 0xF : 0;
415 
416 	// TODO: in addition to validating slice height (pic height must be divisible by slice height),
417 	// see what happens when the same condition doesn't apply for slice_width/pic_width.
418 	dsc_reg_vals->pps.slice_width = dsc_cfg->pic_width / dsc_cfg->dc_dsc_cfg.num_slices_h;
419 	dsc_reg_vals->pps.slice_height = dsc_cfg->pic_height / dsc_cfg->dc_dsc_cfg.num_slices_v;
420 
421 	ASSERT(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height);
422 	if (!(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height)) {
423 		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);
424 		return false;
425 	}
426 
427 	dsc_reg_vals->bpp_x32 = dsc_cfg->dc_dsc_cfg.bits_per_pixel << 1;
428 	if (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
429 		dsc_reg_vals->pps.bits_per_pixel = dsc_reg_vals->bpp_x32;
430 	else
431 		dsc_reg_vals->pps.bits_per_pixel = dsc_reg_vals->bpp_x32 >> 1;
432 
433 	dsc_reg_vals->pps.convert_rgb = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ? 1 : 0;
434 	dsc_reg_vals->pps.native_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422);
435 	dsc_reg_vals->pps.native_420 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420);
436 	dsc_reg_vals->pps.simple_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422);
437 
438 	calc_rc_params(&rc, &dsc_reg_vals->pps);
439 
440 	if (dsc_cfg->dc_dsc_cfg.rc_params_ovrd)
441 		dsc_override_rc_params(&rc, dsc_cfg->dc_dsc_cfg.rc_params_ovrd);
442 
443 	if (dscc_compute_dsc_parameters(&dsc_reg_vals->pps, &rc, &dsc_params)) {
444 		dm_output_to_console("%s: DSC config failed\n", __func__);
445 		return false;
446 	}
447 
448 	dsc_update_from_dsc_parameters(dsc_reg_vals, &dsc_params);
449 
450 	dsc_optc_cfg->bytes_per_pixel = dsc_params.bytes_per_pixel;
451 	dsc_optc_cfg->slice_width = dsc_reg_vals->pps.slice_width;
452 	dsc_optc_cfg->is_pixel_format_444 = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ||
453 					dsc_reg_vals->pixel_format == DSC_PIXFMT_YCBCR444 ||
454 					dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422;
455 
456 	return true;
457 }
458 
459 
dsc_dc_pixel_encoding_to_dsc_pixel_format(enum dc_pixel_encoding dc_pix_enc,bool is_ycbcr422_simple)460 enum dsc_pixel_format dsc_dc_pixel_encoding_to_dsc_pixel_format(enum dc_pixel_encoding dc_pix_enc, bool is_ycbcr422_simple)
461 {
462 	enum dsc_pixel_format dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
463 
464 	/* NOTE: We don't support DSC_PIXFMT_SIMPLE_YCBCR422 */
465 
466 	switch (dc_pix_enc) {
467 	case PIXEL_ENCODING_RGB:
468 		dsc_pix_fmt = DSC_PIXFMT_RGB;
469 		break;
470 	case PIXEL_ENCODING_YCBCR422:
471 		if (is_ycbcr422_simple)
472 			dsc_pix_fmt = DSC_PIXFMT_SIMPLE_YCBCR422;
473 		else
474 			dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR422;
475 		break;
476 	case PIXEL_ENCODING_YCBCR444:
477 		dsc_pix_fmt = DSC_PIXFMT_YCBCR444;
478 		break;
479 	case PIXEL_ENCODING_YCBCR420:
480 		dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR420;
481 		break;
482 	default:
483 		dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
484 		break;
485 	}
486 
487 	ASSERT(dsc_pix_fmt != DSC_PIXFMT_UNKNOWN);
488 	return dsc_pix_fmt;
489 }
490 
491 
dsc_dc_color_depth_to_dsc_bits_per_comp(enum dc_color_depth dc_color_depth)492 enum dsc_bits_per_comp dsc_dc_color_depth_to_dsc_bits_per_comp(enum dc_color_depth dc_color_depth)
493 {
494 	enum dsc_bits_per_comp bpc = DSC_BPC_UNKNOWN;
495 
496 	switch (dc_color_depth) {
497 	case COLOR_DEPTH_888:
498 		bpc = DSC_BPC_8;
499 		break;
500 	case COLOR_DEPTH_101010:
501 		bpc = DSC_BPC_10;
502 		break;
503 	case COLOR_DEPTH_121212:
504 		bpc = DSC_BPC_12;
505 		break;
506 	default:
507 		bpc = DSC_BPC_UNKNOWN;
508 		break;
509 	}
510 
511 	return bpc;
512 }
513 
514 
dsc_init_reg_values(struct dsc_reg_values * reg_vals)515 void dsc_init_reg_values(struct dsc_reg_values *reg_vals)
516 {
517 	int i;
518 
519 	memset(reg_vals, 0, sizeof(struct dsc_reg_values));
520 
521 	/* Non-PPS values */
522 	reg_vals->dsc_clock_enable            = 1;
523 	reg_vals->dsc_clock_gating_disable    = 0;
524 	reg_vals->underflow_recovery_en       = 0;
525 	reg_vals->underflow_occurred_int_en   = 0;
526 	reg_vals->underflow_occurred_status   = 0;
527 	reg_vals->ich_reset_at_eol            = 0;
528 	reg_vals->alternate_ich_encoding_en   = 0;
529 	reg_vals->rc_buffer_model_size        = 0;
530 	/*reg_vals->disable_ich                 = 0;*/
531 	reg_vals->dsc_dbg_en                  = 0;
532 
533 	for (i = 0; i < 4; i++)
534 		reg_vals->rc_buffer_model_overflow_int_en[i] = 0;
535 
536 	/* PPS values */
537 	reg_vals->pps.dsc_version_minor           = 2;
538 	reg_vals->pps.dsc_version_major           = 1;
539 	reg_vals->pps.line_buf_depth              = 9;
540 	reg_vals->pps.bits_per_component          = 8;
541 	reg_vals->pps.block_pred_enable           = 1;
542 	reg_vals->pps.slice_chunk_size            = 0;
543 	reg_vals->pps.pic_width                   = 0;
544 	reg_vals->pps.pic_height                  = 0;
545 	reg_vals->pps.slice_width                 = 0;
546 	reg_vals->pps.slice_height                = 0;
547 	reg_vals->pps.initial_xmit_delay          = 170;
548 	reg_vals->pps.initial_dec_delay           = 0;
549 	reg_vals->pps.initial_scale_value         = 0;
550 	reg_vals->pps.scale_increment_interval    = 0;
551 	reg_vals->pps.scale_decrement_interval    = 0;
552 	reg_vals->pps.nfl_bpg_offset              = 0;
553 	reg_vals->pps.slice_bpg_offset            = 0;
554 	reg_vals->pps.nsl_bpg_offset              = 0;
555 	reg_vals->pps.initial_offset              = 6144;
556 	reg_vals->pps.final_offset                = 0;
557 	reg_vals->pps.flatness_min_qp             = 3;
558 	reg_vals->pps.flatness_max_qp             = 12;
559 	reg_vals->pps.rc_model_size               = 8192;
560 	reg_vals->pps.rc_edge_factor              = 6;
561 	reg_vals->pps.rc_quant_incr_limit0        = 11;
562 	reg_vals->pps.rc_quant_incr_limit1        = 11;
563 	reg_vals->pps.rc_tgt_offset_low           = 3;
564 	reg_vals->pps.rc_tgt_offset_high          = 3;
565 }
566 
567 /* Updates dsc_reg_values::reg_vals::xxx fields based on the values from computed params.
568  * This is required because dscc_compute_dsc_parameters returns a modified PPS, which in turn
569  * affects non-PPS register values.
570  */
dsc_update_from_dsc_parameters(struct dsc_reg_values * reg_vals,const struct dsc_parameters * dsc_params)571 void dsc_update_from_dsc_parameters(struct dsc_reg_values *reg_vals, const struct dsc_parameters *dsc_params)
572 {
573 	int i;
574 
575 	reg_vals->pps = dsc_params->pps;
576 
577 	// pps_computed will have the "expanded" values; need to shift them to make them fit for regs.
578 	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
579 		reg_vals->pps.rc_buf_thresh[i] = reg_vals->pps.rc_buf_thresh[i] >> 6;
580 
581 	reg_vals->rc_buffer_model_size = dsc_params->rc_buffer_model_size;
582 }
583 
dsc_write_to_registers(struct display_stream_compressor * dsc,const struct dsc_reg_values * reg_vals)584 static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals)
585 {
586 	uint32_t temp_int;
587 	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
588 
589 	REG_SET(DSC_DEBUG_CONTROL, 0,
590 		DSC_DBG_EN, reg_vals->dsc_dbg_en);
591 
592 	// dsccif registers
593 	REG_SET_5(DSCCIF_CONFIG0, 0,
594 		INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN, reg_vals->underflow_recovery_en,
595 		INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN, reg_vals->underflow_occurred_int_en,
596 		INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS, reg_vals->underflow_occurred_status,
597 		INPUT_PIXEL_FORMAT, reg_vals->pixel_format,
598 		DSCCIF_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
599 
600 	REG_SET_2(DSCCIF_CONFIG1, 0,
601 		PIC_WIDTH, reg_vals->pps.pic_width,
602 		PIC_HEIGHT, reg_vals->pps.pic_height);
603 
604 	// dscc registers
605 	if (dsc20->dsc_mask->ICH_RESET_AT_END_OF_LINE == 0) {
606 		REG_SET_3(DSCC_CONFIG0, 0,
607 			  NUMBER_OF_SLICES_PER_LINE, reg_vals->num_slices_h - 1,
608 			  ALTERNATE_ICH_ENCODING_EN, reg_vals->alternate_ich_encoding_en,
609 			  NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, reg_vals->num_slices_v - 1);
610 	} else {
611 		REG_SET_4(DSCC_CONFIG0, 0, ICH_RESET_AT_END_OF_LINE,
612 			  reg_vals->ich_reset_at_eol, NUMBER_OF_SLICES_PER_LINE,
613 			  reg_vals->num_slices_h - 1, ALTERNATE_ICH_ENCODING_EN,
614 			  reg_vals->alternate_ich_encoding_en, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION,
615 			  reg_vals->num_slices_v - 1);
616 	}
617 
618 	REG_SET(DSCC_CONFIG1, 0,
619 			DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size);
620 	/*REG_SET_2(DSCC_CONFIG1, 0,
621 		DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size,
622 		DSCC_DISABLE_ICH, reg_vals->disable_ich);*/
623 
624 	REG_SET_4(DSCC_INTERRUPT_CONTROL_STATUS, 0,
625 		DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[0],
626 		DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[1],
627 		DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[2],
628 		DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[3]);
629 
630 	REG_SET_3(DSCC_PPS_CONFIG0, 0,
631 		DSC_VERSION_MINOR, reg_vals->pps.dsc_version_minor,
632 		LINEBUF_DEPTH, reg_vals->pps.line_buf_depth,
633 		DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
634 
635 	if (reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
636 		temp_int = reg_vals->bpp_x32;
637 	else
638 		temp_int = reg_vals->bpp_x32 >> 1;
639 
640 	REG_SET_7(DSCC_PPS_CONFIG1, 0,
641 		BITS_PER_PIXEL, temp_int,
642 		SIMPLE_422, reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422,
643 		CONVERT_RGB, reg_vals->pixel_format == DSC_PIXFMT_RGB,
644 		BLOCK_PRED_ENABLE, reg_vals->pps.block_pred_enable,
645 		NATIVE_422, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422,
646 		NATIVE_420, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420,
647 		CHUNK_SIZE, reg_vals->pps.slice_chunk_size);
648 
649 	REG_SET_2(DSCC_PPS_CONFIG2, 0,
650 		PIC_WIDTH, reg_vals->pps.pic_width,
651 		PIC_HEIGHT, reg_vals->pps.pic_height);
652 
653 	REG_SET_2(DSCC_PPS_CONFIG3, 0,
654 		SLICE_WIDTH, reg_vals->pps.slice_width,
655 		SLICE_HEIGHT, reg_vals->pps.slice_height);
656 
657 	REG_SET(DSCC_PPS_CONFIG4, 0,
658 		INITIAL_XMIT_DELAY, reg_vals->pps.initial_xmit_delay);
659 
660 	REG_SET_2(DSCC_PPS_CONFIG5, 0,
661 		INITIAL_SCALE_VALUE, reg_vals->pps.initial_scale_value,
662 		SCALE_INCREMENT_INTERVAL, reg_vals->pps.scale_increment_interval);
663 
664 	REG_SET_3(DSCC_PPS_CONFIG6, 0,
665 		SCALE_DECREMENT_INTERVAL, reg_vals->pps.scale_decrement_interval,
666 		FIRST_LINE_BPG_OFFSET, reg_vals->pps.first_line_bpg_offset,
667 		SECOND_LINE_BPG_OFFSET, reg_vals->pps.second_line_bpg_offset);
668 
669 	REG_SET_2(DSCC_PPS_CONFIG7, 0,
670 		NFL_BPG_OFFSET, reg_vals->pps.nfl_bpg_offset,
671 		SLICE_BPG_OFFSET, reg_vals->pps.slice_bpg_offset);
672 
673 	REG_SET_2(DSCC_PPS_CONFIG8, 0,
674 		NSL_BPG_OFFSET, reg_vals->pps.nsl_bpg_offset,
675 		SECOND_LINE_OFFSET_ADJ, reg_vals->pps.second_line_offset_adj);
676 
677 	REG_SET_2(DSCC_PPS_CONFIG9, 0,
678 		INITIAL_OFFSET, reg_vals->pps.initial_offset,
679 		FINAL_OFFSET, reg_vals->pps.final_offset);
680 
681 	REG_SET_3(DSCC_PPS_CONFIG10, 0,
682 		FLATNESS_MIN_QP, reg_vals->pps.flatness_min_qp,
683 		FLATNESS_MAX_QP, reg_vals->pps.flatness_max_qp,
684 		RC_MODEL_SIZE, reg_vals->pps.rc_model_size);
685 
686 	REG_SET_5(DSCC_PPS_CONFIG11, 0,
687 		RC_EDGE_FACTOR, reg_vals->pps.rc_edge_factor,
688 		RC_QUANT_INCR_LIMIT0, reg_vals->pps.rc_quant_incr_limit0,
689 		RC_QUANT_INCR_LIMIT1, reg_vals->pps.rc_quant_incr_limit1,
690 		RC_TGT_OFFSET_LO, reg_vals->pps.rc_tgt_offset_low,
691 		RC_TGT_OFFSET_HI, reg_vals->pps.rc_tgt_offset_high);
692 
693 	REG_SET_4(DSCC_PPS_CONFIG12, 0,
694 		RC_BUF_THRESH0, reg_vals->pps.rc_buf_thresh[0],
695 		RC_BUF_THRESH1, reg_vals->pps.rc_buf_thresh[1],
696 		RC_BUF_THRESH2, reg_vals->pps.rc_buf_thresh[2],
697 		RC_BUF_THRESH3, reg_vals->pps.rc_buf_thresh[3]);
698 
699 	REG_SET_4(DSCC_PPS_CONFIG13, 0,
700 		RC_BUF_THRESH4, reg_vals->pps.rc_buf_thresh[4],
701 		RC_BUF_THRESH5, reg_vals->pps.rc_buf_thresh[5],
702 		RC_BUF_THRESH6, reg_vals->pps.rc_buf_thresh[6],
703 		RC_BUF_THRESH7, reg_vals->pps.rc_buf_thresh[7]);
704 
705 	REG_SET_4(DSCC_PPS_CONFIG14, 0,
706 		RC_BUF_THRESH8, reg_vals->pps.rc_buf_thresh[8],
707 		RC_BUF_THRESH9, reg_vals->pps.rc_buf_thresh[9],
708 		RC_BUF_THRESH10, reg_vals->pps.rc_buf_thresh[10],
709 		RC_BUF_THRESH11, reg_vals->pps.rc_buf_thresh[11]);
710 
711 	REG_SET_5(DSCC_PPS_CONFIG15, 0,
712 		RC_BUF_THRESH12, reg_vals->pps.rc_buf_thresh[12],
713 		RC_BUF_THRESH13, reg_vals->pps.rc_buf_thresh[13],
714 		RANGE_MIN_QP0, reg_vals->pps.rc_range_params[0].range_min_qp,
715 		RANGE_MAX_QP0, reg_vals->pps.rc_range_params[0].range_max_qp,
716 		RANGE_BPG_OFFSET0, reg_vals->pps.rc_range_params[0].range_bpg_offset);
717 
718 	REG_SET_6(DSCC_PPS_CONFIG16, 0,
719 		RANGE_MIN_QP1, reg_vals->pps.rc_range_params[1].range_min_qp,
720 		RANGE_MAX_QP1, reg_vals->pps.rc_range_params[1].range_max_qp,
721 		RANGE_BPG_OFFSET1, reg_vals->pps.rc_range_params[1].range_bpg_offset,
722 		RANGE_MIN_QP2, reg_vals->pps.rc_range_params[2].range_min_qp,
723 		RANGE_MAX_QP2, reg_vals->pps.rc_range_params[2].range_max_qp,
724 		RANGE_BPG_OFFSET2, reg_vals->pps.rc_range_params[2].range_bpg_offset);
725 
726 	REG_SET_6(DSCC_PPS_CONFIG17, 0,
727 		RANGE_MIN_QP3, reg_vals->pps.rc_range_params[3].range_min_qp,
728 		RANGE_MAX_QP3, reg_vals->pps.rc_range_params[3].range_max_qp,
729 		RANGE_BPG_OFFSET3, reg_vals->pps.rc_range_params[3].range_bpg_offset,
730 		RANGE_MIN_QP4, reg_vals->pps.rc_range_params[4].range_min_qp,
731 		RANGE_MAX_QP4, reg_vals->pps.rc_range_params[4].range_max_qp,
732 		RANGE_BPG_OFFSET4, reg_vals->pps.rc_range_params[4].range_bpg_offset);
733 
734 	REG_SET_6(DSCC_PPS_CONFIG18, 0,
735 		RANGE_MIN_QP5, reg_vals->pps.rc_range_params[5].range_min_qp,
736 		RANGE_MAX_QP5, reg_vals->pps.rc_range_params[5].range_max_qp,
737 		RANGE_BPG_OFFSET5, reg_vals->pps.rc_range_params[5].range_bpg_offset,
738 		RANGE_MIN_QP6, reg_vals->pps.rc_range_params[6].range_min_qp,
739 		RANGE_MAX_QP6, reg_vals->pps.rc_range_params[6].range_max_qp,
740 		RANGE_BPG_OFFSET6, reg_vals->pps.rc_range_params[6].range_bpg_offset);
741 
742 	REG_SET_6(DSCC_PPS_CONFIG19, 0,
743 		RANGE_MIN_QP7, reg_vals->pps.rc_range_params[7].range_min_qp,
744 		RANGE_MAX_QP7, reg_vals->pps.rc_range_params[7].range_max_qp,
745 		RANGE_BPG_OFFSET7, reg_vals->pps.rc_range_params[7].range_bpg_offset,
746 		RANGE_MIN_QP8, reg_vals->pps.rc_range_params[8].range_min_qp,
747 		RANGE_MAX_QP8, reg_vals->pps.rc_range_params[8].range_max_qp,
748 		RANGE_BPG_OFFSET8, reg_vals->pps.rc_range_params[8].range_bpg_offset);
749 
750 	REG_SET_6(DSCC_PPS_CONFIG20, 0,
751 		RANGE_MIN_QP9, reg_vals->pps.rc_range_params[9].range_min_qp,
752 		RANGE_MAX_QP9, reg_vals->pps.rc_range_params[9].range_max_qp,
753 		RANGE_BPG_OFFSET9, reg_vals->pps.rc_range_params[9].range_bpg_offset,
754 		RANGE_MIN_QP10, reg_vals->pps.rc_range_params[10].range_min_qp,
755 		RANGE_MAX_QP10, reg_vals->pps.rc_range_params[10].range_max_qp,
756 		RANGE_BPG_OFFSET10, reg_vals->pps.rc_range_params[10].range_bpg_offset);
757 
758 	REG_SET_6(DSCC_PPS_CONFIG21, 0,
759 		RANGE_MIN_QP11, reg_vals->pps.rc_range_params[11].range_min_qp,
760 		RANGE_MAX_QP11, reg_vals->pps.rc_range_params[11].range_max_qp,
761 		RANGE_BPG_OFFSET11, reg_vals->pps.rc_range_params[11].range_bpg_offset,
762 		RANGE_MIN_QP12, reg_vals->pps.rc_range_params[12].range_min_qp,
763 		RANGE_MAX_QP12, reg_vals->pps.rc_range_params[12].range_max_qp,
764 		RANGE_BPG_OFFSET12, reg_vals->pps.rc_range_params[12].range_bpg_offset);
765 
766 	REG_SET_6(DSCC_PPS_CONFIG22, 0,
767 		RANGE_MIN_QP13, reg_vals->pps.rc_range_params[13].range_min_qp,
768 		RANGE_MAX_QP13, reg_vals->pps.rc_range_params[13].range_max_qp,
769 		RANGE_BPG_OFFSET13, reg_vals->pps.rc_range_params[13].range_bpg_offset,
770 		RANGE_MIN_QP14, reg_vals->pps.rc_range_params[14].range_min_qp,
771 		RANGE_MAX_QP14, reg_vals->pps.rc_range_params[14].range_max_qp,
772 		RANGE_BPG_OFFSET14, reg_vals->pps.rc_range_params[14].range_bpg_offset);
773 
774 }
775