Resguardo inicial

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/Makefile

@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: MIT
+# Copyright © 2019-2024 Advanced Micro Devices, Inc. All rights reserved.
+
+ifdef CONFIG_DRM_AMD_DC_FP
+
+###############################################################################
+# DCN20
+###############################################################################
+DSC_DCN20 = dcn20_dsc.o
+
+AMD_DISPLAY_FILES += $(addprefix $(AMDDALPATH)/dc/dsc/dcn20/,$(DSC_DCN20))
+
+
+
+
+###############################################################################
+# DCN35
+###############################################################################
+
+DSC_DCN35 = dcn35_dsc.o
+
+AMD_DISPLAY_FILES += $(addprefix $(AMDDALPATH)/dc/dsc/dcn35/,$(DSC_DCN35))
+
+###############################################################################
+# DCN401
+###############################################################################
+
+DSC_DCN401 += dcn401_dsc.o
+
+AMD_DISPLAY_FILES += $(addprefix $(AMDDALPATH)/dc/dsc/dcn401/,$(DSC_DCN401))
+
+endif
+
+DSC = dc_dsc.o rc_calc.o rc_calc_dpi.o
+
+AMD_DAL_DSC = $(addprefix $(AMDDALPATH)/dc/dsc/,$(DSC))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DSC)
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.c

@@ -0,0 +1,777 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <drm/display/drm_dsc_helper.h>
+
+#include "reg_helper.h"
+#include "dcn20_dsc.h"
+#include "dsc/dscc_types.h"
+#include "dsc/rc_calc.h"
+
+static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals);
+
+static const struct dsc_funcs dcn20_dsc_funcs = {
+	.dsc_get_enc_caps = dsc2_get_enc_caps,
+	.dsc_read_state = dsc2_read_state,
+	.dsc_read_reg_state = dsc2_read_reg_state,
+	.dsc_validate_stream = dsc2_validate_stream,
+	.dsc_set_config = dsc2_set_config,
+	.dsc_get_packed_pps = dsc2_get_packed_pps,
+	.dsc_enable = dsc2_enable,
+	.dsc_disable = dsc2_disable,
+	.dsc_disconnect = dsc2_disconnect,
+	.dsc_wait_disconnect_pending_clear = dsc2_wait_disconnect_pending_clear,
+};
+
+/* Macro definitios for REG_SET macros*/
+#define CTX \
+	dsc20->base.ctx
+
+#define REG(reg)\
+	dsc20->dsc_regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	dsc20->dsc_shift->field_name, dsc20->dsc_mask->field_name
+#define DC_LOGGER \
+	dsc->ctx->logger
+
+/* API functions (external or via structure->function_pointer) */
+
+void 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)
+{
+	dsc->base.ctx = ctx;
+	dsc->base.inst = inst;
+	dsc->base.funcs = &dcn20_dsc_funcs;
+
+	dsc->dsc_regs = dsc_regs;
+	dsc->dsc_shift = dsc_shift;
+	dsc->dsc_mask = dsc_mask;
+
+	dsc->max_image_width = 5184;
+}
+
+
+#define DCN20_MAX_PIXEL_CLOCK_Mhz      1188
+#define DCN20_MAX_DISPLAY_CLOCK_Mhz    1200
+
+/* This returns the capabilities for a single DSC encoder engine. Number of slices and total throughput
+ * can be doubled, tripled etc. by using additional DSC engines.
+ */
+void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz)
+{
+	dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */
+
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1;
+
+	dsc_enc_caps->lb_bit_depth = 13;
+	dsc_enc_caps->is_block_pred_supported = true;
+
+	dsc_enc_caps->color_formats.bits.RGB = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;
+
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1;
+
+	/* Maximum total throughput with all the slices combined. This is different from how DP spec specifies it.
+	 * Our decoder's total throughput in Pix/s is equal to DISPCLK. This is then shared between slices.
+	 * The value below is the absolute maximum value. The actual throughput may be lower, but it'll always
+	 * be sufficient to process the input pixel rate fed into a single DSC engine.
+	 */
+	dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz;
+
+	/* For pixel clock bigger than a single-pipe limit we'll need two engines, which then doubles our
+	 * throughput and number of slices, but also introduces a lower limit of 2 slices
+	 */
+	if (pixel_clock_100Hz >= DCN20_MAX_PIXEL_CLOCK_Mhz*10000) {
+		dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 0;
+		dsc_enc_caps->slice_caps.bits.NUM_SLICES_8 = 1;
+		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 2;
+	}
+
+	/* For pixel clock bigger than a single-pipe limit needing four engines ODM 4:1, which then quardruples our
+	 * throughput and number of slices
+	 */
+	if (pixel_clock_100Hz > DCN20_MAX_PIXEL_CLOCK_Mhz*10000*2) {
+		dsc_enc_caps->slice_caps.bits.NUM_SLICES_12 = 1;
+		dsc_enc_caps->slice_caps.bits.NUM_SLICES_16 = 1;
+		dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 4;
+	}
+
+	dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
+	dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
+}
+
+
+/* this function read dsc related register fields to be logged later in dcn10_log_hw_state
+ * into a dcn_dsc_state struct.
+ */
+void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &s->dsc_clock_en);
+	REG_GET(DSCC_PPS_CONFIG3, SLICE_WIDTH, &s->dsc_slice_width);
+	REG_GET(DSCC_PPS_CONFIG1, BITS_PER_PIXEL, &s->dsc_bits_per_pixel);
+	REG_GET(DSCC_PPS_CONFIG3, SLICE_HEIGHT, &s->dsc_slice_height);
+	REG_GET(DSCC_PPS_CONFIG1, CHUNK_SIZE, &s->dsc_chunk_size);
+	REG_GET(DSCC_PPS_CONFIG2, PIC_WIDTH, &s->dsc_pic_width);
+	REG_GET(DSCC_PPS_CONFIG2, PIC_HEIGHT, &s->dsc_pic_height);
+	REG_GET(DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, &s->dsc_slice_bpg_offset);
+	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &s->dsc_fw_en,
+		DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source);
+}
+
+void dsc2_read_reg_state(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	dccg_reg_state->dsc_top_control = REG_READ(DSC_TOP_CONTROL);
+	dccg_reg_state->dscc_interrupt_control_status = REG_READ(DSCC_INTERRUPT_CONTROL_STATUS);
+}
+
+bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg)
+{
+	struct dsc_optc_config dsc_optc_cfg;
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+	uint32_t max_image_width = (uint32_t)dsc20->max_image_width;
+
+	if (dsc_cfg->pic_width > max_image_width)
+		return false;
+
+	return dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, &dsc_optc_cfg);
+}
+
+
+void dsc_config_log(struct display_stream_compressor *dsc, const struct dsc_config *config)
+{
+	DC_LOG_DSC("\tnum_slices_h %d", config->dc_dsc_cfg.num_slices_h);
+	DC_LOG_DSC("\tnum_slices_v %d", config->dc_dsc_cfg.num_slices_v);
+	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)",
+		config->dc_dsc_cfg.bits_per_pixel,
+		config->dc_dsc_cfg.bits_per_pixel / 16,
+		((config->dc_dsc_cfg.bits_per_pixel % 16) * 10000) / 16);
+	DC_LOG_DSC("\tcolor_depth %d", config->color_depth);
+}
+
+void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+		struct dsc_optc_config *dsc_optc_cfg)
+{
+	bool is_config_ok;
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	DC_LOG_DSC("Setting DSC Config at DSC inst %d", dsc->inst);
+	dsc_config_log(dsc, dsc_cfg);
+	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc20->reg_vals, dsc_optc_cfg);
+	ASSERT(is_config_ok);
+	DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):");
+	dsc_log_pps(dsc, &dsc20->reg_vals.pps);
+	dsc_write_to_registers(dsc, &dsc20->reg_vals);
+}
+
+
+bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, uint8_t *dsc_packed_pps)
+{
+	bool is_config_ok;
+	struct dsc_reg_values dsc_reg_vals;
+	struct dsc_optc_config dsc_optc_cfg;
+
+	memset(&dsc_reg_vals, 0, sizeof(dsc_reg_vals));
+	memset(&dsc_optc_cfg, 0, sizeof(dsc_optc_cfg));
+
+	DC_LOG_DSC("Getting packed DSC PPS for DSC Config:");
+	dsc_config_log(dsc, dsc_cfg);
+	DC_LOG_DSC("DSC Picture Parameter Set (PPS):");
+	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc_reg_vals, &dsc_optc_cfg);
+	ASSERT(is_config_ok);
+	drm_dsc_pps_payload_pack((struct drm_dsc_picture_parameter_set *)dsc_packed_pps, &dsc_reg_vals.pps);
+	dsc_log_pps(dsc, &dsc_reg_vals.pps);
+
+	return is_config_ok;
+}
+
+
+void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+	uint32_t dsc_clock_en;
+	uint32_t dsc_fw_config;
+	uint32_t enabled_opp_pipe;
+
+	DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
+	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
+	if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
+		DC_LOG_DSC("ERROR: DSC %d at opp pipe %d already enabled!", dsc->inst, enabled_opp_pipe);
+		ASSERT(0);
+	}
+
+	REG_UPDATE(DSC_TOP_CONTROL,
+		DSC_CLOCK_EN, 1);
+
+	REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 1,
+		DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
+}
+
+
+void dsc2_disable(struct display_stream_compressor *dsc)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+	uint32_t dsc_clock_en;
+
+	DC_LOG_DSC("disable DSC %d", dsc->inst);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
+	if (!dsc_clock_en) {
+		DC_LOG_DSC("DSC %d already disabled!", dsc->inst);
+	}
+
+	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 0);
+
+	REG_UPDATE(DSC_TOP_CONTROL,
+		DSC_CLOCK_EN, 0);
+}
+
+void dsc2_wait_disconnect_pending_clear(struct display_stream_compressor *dsc)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	REG_WAIT(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_DOUBLE_BUFFER_REG_UPDATE_PENDING, 0, 2, 50000);
+}
+
+void dsc2_disconnect(struct display_stream_compressor *dsc)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	DC_LOG_DSC("disconnect DSC %d", dsc->inst);
+
+	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 0);
+}
+
+/* This module's internal functions */
+void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps)
+{
+	int i;
+	int bits_per_pixel = pps->bits_per_pixel;
+
+	DC_LOG_DSC("\tdsc_version_major %d", pps->dsc_version_major);
+	DC_LOG_DSC("\tdsc_version_minor %d", pps->dsc_version_minor);
+	DC_LOG_DSC("\tbits_per_component %d", pps->bits_per_component);
+	DC_LOG_DSC("\tline_buf_depth %d", pps->line_buf_depth);
+	DC_LOG_DSC("\tblock_pred_enable %d", pps->block_pred_enable);
+	DC_LOG_DSC("\tconvert_rgb %d", pps->convert_rgb);
+	DC_LOG_DSC("\tsimple_422 %d", pps->simple_422);
+	DC_LOG_DSC("\tvbr_enable %d", pps->vbr_enable);
+	DC_LOG_DSC("\tbits_per_pixel %d (%d.%04d)", bits_per_pixel, bits_per_pixel / 16, ((bits_per_pixel % 16) * 10000) / 16);
+	DC_LOG_DSC("\tpic_height %d", pps->pic_height);
+	DC_LOG_DSC("\tpic_width %d", pps->pic_width);
+	DC_LOG_DSC("\tslice_height %d", pps->slice_height);
+	DC_LOG_DSC("\tslice_width %d", pps->slice_width);
+	DC_LOG_DSC("\tslice_chunk_size %d", pps->slice_chunk_size);
+	DC_LOG_DSC("\tinitial_xmit_delay %d", pps->initial_xmit_delay);
+	DC_LOG_DSC("\tinitial_dec_delay %d", pps->initial_dec_delay);
+	DC_LOG_DSC("\tinitial_scale_value %d", pps->initial_scale_value);
+	DC_LOG_DSC("\tscale_increment_interval %d", pps->scale_increment_interval);
+	DC_LOG_DSC("\tscale_decrement_interval %d", pps->scale_decrement_interval);
+	DC_LOG_DSC("\tfirst_line_bpg_offset %d", pps->first_line_bpg_offset);
+	DC_LOG_DSC("\tnfl_bpg_offset %d", pps->nfl_bpg_offset);
+	DC_LOG_DSC("\tslice_bpg_offset %d", pps->slice_bpg_offset);
+	DC_LOG_DSC("\tinitial_offset %d", pps->initial_offset);
+	DC_LOG_DSC("\tfinal_offset %d", pps->final_offset);
+	DC_LOG_DSC("\tflatness_min_qp %d", pps->flatness_min_qp);
+	DC_LOG_DSC("\tflatness_max_qp %d", pps->flatness_max_qp);
+	/* DC_LOG_DSC("\trc_parameter_set %d", pps->rc_parameter_set); */
+	DC_LOG_DSC("\tnative_420 %d", pps->native_420);
+	DC_LOG_DSC("\tnative_422 %d", pps->native_422);
+	DC_LOG_DSC("\tsecond_line_bpg_offset %d", pps->second_line_bpg_offset);
+	DC_LOG_DSC("\tnsl_bpg_offset %d", pps->nsl_bpg_offset);
+	DC_LOG_DSC("\tsecond_line_offset_adj %d", pps->second_line_offset_adj);
+	DC_LOG_DSC("\trc_model_size %d", pps->rc_model_size);
+	DC_LOG_DSC("\trc_edge_factor %d", pps->rc_edge_factor);
+	DC_LOG_DSC("\trc_quant_incr_limit0 %d", pps->rc_quant_incr_limit0);
+	DC_LOG_DSC("\trc_quant_incr_limit1 %d", pps->rc_quant_incr_limit1);
+	DC_LOG_DSC("\trc_tgt_offset_high %d", pps->rc_tgt_offset_high);
+	DC_LOG_DSC("\trc_tgt_offset_low %d", pps->rc_tgt_offset_low);
+
+	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
+		DC_LOG_DSC("\trc_buf_thresh[%d] %d", i, pps->rc_buf_thresh[i]);
+
+	for (i = 0; i < NUM_BUF_RANGES; i++) {
+		DC_LOG_DSC("\trc_range_parameters[%d].range_min_qp %d", i, pps->rc_range_params[i].range_min_qp);
+		DC_LOG_DSC("\trc_range_parameters[%d].range_max_qp %d", i, pps->rc_range_params[i].range_max_qp);
+		DC_LOG_DSC("\trc_range_parameters[%d].range_bpg_offset %d", i, pps->rc_range_params[i].range_bpg_offset);
+	}
+}
+
+void dsc_override_rc_params(struct rc_params *rc, const struct dc_dsc_rc_params_override *override)
+{
+	uint8_t i;
+
+	rc->rc_model_size = override->rc_model_size;
+	for (i = 0; i < DC_DSC_RC_BUF_THRESH_SIZE; i++)
+		rc->rc_buf_thresh[i] = override->rc_buf_thresh[i];
+	for (i = 0; i < DC_DSC_QP_SET_SIZE; i++) {
+		rc->qp_min[i] = override->rc_minqp[i];
+		rc->qp_max[i] = override->rc_maxqp[i];
+		rc->ofs[i] = override->rc_offset[i];
+	}
+
+	rc->rc_tgt_offset_hi = override->rc_tgt_offset_hi;
+	rc->rc_tgt_offset_lo = override->rc_tgt_offset_lo;
+	rc->rc_edge_factor = override->rc_edge_factor;
+	rc->rc_quant_incr_limit0 = override->rc_quant_incr_limit0;
+	rc->rc_quant_incr_limit1 = override->rc_quant_incr_limit1;
+
+	rc->initial_fullness_offset = override->initial_fullness_offset;
+	rc->initial_xmit_delay = override->initial_delay;
+
+	rc->flatness_min_qp = override->flatness_min_qp;
+	rc->flatness_max_qp = override->flatness_max_qp;
+	rc->flatness_det_thresh = override->flatness_det_thresh;
+}
+
+bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values *dsc_reg_vals,
+			struct dsc_optc_config *dsc_optc_cfg)
+{
+	struct dsc_parameters dsc_params;
+	struct rc_params rc;
+
+	/* Validate input parameters */
+	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_h);
+	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_v);
+	ASSERT(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2);
+	ASSERT(dsc_cfg->pic_width);
+	ASSERT(dsc_cfg->pic_height);
+	ASSERT((dsc_cfg->dc_dsc_cfg.version_minor == 1 &&
+		  (8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13)) ||
+		(dsc_cfg->dc_dsc_cfg.version_minor == 2 &&
+		  ((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
+		    dsc_cfg->dc_dsc_cfg.linebuf_depth == 0)));
+	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
+
+	if (!dsc_cfg->dc_dsc_cfg.num_slices_v || !dsc_cfg->dc_dsc_cfg.num_slices_h ||
+		!(dsc_cfg->dc_dsc_cfg.version_minor == 1 || dsc_cfg->dc_dsc_cfg.version_minor == 2) ||
+		!dsc_cfg->pic_width || !dsc_cfg->pic_height ||
+		!((dsc_cfg->dc_dsc_cfg.version_minor == 1 && // v1.1 line buffer depth range:
+			8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 13) ||
+		(dsc_cfg->dc_dsc_cfg.version_minor == 2 && // v1.2 line buffer depth range:
+			((8 <= dsc_cfg->dc_dsc_cfg.linebuf_depth && dsc_cfg->dc_dsc_cfg.linebuf_depth <= 15) ||
+			dsc_cfg->dc_dsc_cfg.linebuf_depth == 0))) ||
+		!(96 <= dsc_cfg->dc_dsc_cfg.bits_per_pixel && dsc_cfg->dc_dsc_cfg.bits_per_pixel <= 0x3ff)) {
+		dm_output_to_console("%s: Invalid parameters\n", __func__);
+		return false;
+	}
+
+	dsc_init_reg_values(dsc_reg_vals);
+
+	/* Copy input config */
+	dsc_reg_vals->pixel_format = dsc_dc_pixel_encoding_to_dsc_pixel_format(dsc_cfg->pixel_encoding, dsc_cfg->dc_dsc_cfg.ycbcr422_simple);
+	dsc_reg_vals->num_slices_h = dsc_cfg->dc_dsc_cfg.num_slices_h;
+	dsc_reg_vals->num_slices_v = dsc_cfg->dc_dsc_cfg.num_slices_v;
+	dsc_reg_vals->pps.dsc_version_minor = (u8)dsc_cfg->dc_dsc_cfg.version_minor;
+	dsc_reg_vals->pps.pic_width = (u16)dsc_cfg->pic_width;
+	dsc_reg_vals->pps.pic_height = (u16)dsc_cfg->pic_height;
+	dsc_reg_vals->pps.bits_per_component = dsc_dc_color_depth_to_dsc_bits_per_comp(dsc_cfg->color_depth);
+	dsc_reg_vals->pps.block_pred_enable = dsc_cfg->dc_dsc_cfg.block_pred_enable;
+	dsc_reg_vals->pps.line_buf_depth = (u8)dsc_cfg->dc_dsc_cfg.linebuf_depth;
+	dsc_reg_vals->alternate_ich_encoding_en = dsc_reg_vals->pps.dsc_version_minor == 1 ? 0 : 1;
+	dsc_reg_vals->ich_reset_at_eol = (dsc_cfg->is_odm || dsc_reg_vals->num_slices_h > 1) ? 0xF : 0;
+
+	// Need to find the ceiling value for the slice width
+	dsc_reg_vals->pps.slice_width = (u16)((dsc_cfg->pic_width + dsc_cfg->dsc_padding + dsc_cfg->dc_dsc_cfg.num_slices_h - 1) / dsc_cfg->dc_dsc_cfg.num_slices_h);
+	// TODO: in addition to validating slice height (pic height must be divisible by slice height),
+	// see what happens when the same condition doesn't apply for slice_width/pic_width.
+	dsc_reg_vals->pps.slice_height = (u16)(dsc_cfg->pic_height / dsc_cfg->dc_dsc_cfg.num_slices_v);
+
+	ASSERT(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height);
+	if (!(dsc_reg_vals->pps.slice_height * dsc_cfg->dc_dsc_cfg.num_slices_v == dsc_cfg->pic_height)) {
+		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);
+		return false;
+	}
+
+	dsc_reg_vals->bpp_x32 = dsc_cfg->dc_dsc_cfg.bits_per_pixel << 1;
+	if (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
+		dsc_reg_vals->pps.bits_per_pixel = (u16)dsc_reg_vals->bpp_x32;
+	else
+		dsc_reg_vals->pps.bits_per_pixel = (u16)(dsc_reg_vals->bpp_x32 >> 1);
+
+	dsc_reg_vals->pps.convert_rgb = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ? 1 : 0;
+	dsc_reg_vals->pps.native_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422);
+	dsc_reg_vals->pps.native_420 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420);
+	dsc_reg_vals->pps.simple_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422);
+
+	calc_rc_params(&rc, &dsc_reg_vals->pps);
+
+	if (dsc_cfg->dc_dsc_cfg.rc_params_ovrd)
+		dsc_override_rc_params(&rc, dsc_cfg->dc_dsc_cfg.rc_params_ovrd);
+
+	if (dscc_compute_dsc_parameters(&dsc_reg_vals->pps, &rc, &dsc_params)) {
+		dm_output_to_console("%s: DSC config failed\n", __func__);
+		return false;
+	}
+
+	dsc_update_from_dsc_parameters(dsc_reg_vals, &dsc_params);
+
+	dsc_optc_cfg->bytes_per_pixel = dsc_params.bytes_per_pixel;
+	dsc_optc_cfg->slice_width = dsc_reg_vals->pps.slice_width;
+	dsc_optc_cfg->is_pixel_format_444 = dsc_reg_vals->pixel_format == DSC_PIXFMT_RGB ||
+					dsc_reg_vals->pixel_format == DSC_PIXFMT_YCBCR444 ||
+					dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422;
+
+	return true;
+}
+
+
+enum dsc_pixel_format dsc_dc_pixel_encoding_to_dsc_pixel_format(enum dc_pixel_encoding dc_pix_enc, bool is_ycbcr422_simple)
+{
+	enum dsc_pixel_format dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
+
+	/* NOTE: We don't support DSC_PIXFMT_SIMPLE_YCBCR422 */
+
+	switch (dc_pix_enc) {
+	case PIXEL_ENCODING_RGB:
+		dsc_pix_fmt = DSC_PIXFMT_RGB;
+		break;
+	case PIXEL_ENCODING_YCBCR422:
+		if (is_ycbcr422_simple)
+			dsc_pix_fmt = DSC_PIXFMT_SIMPLE_YCBCR422;
+		else
+			dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR422;
+		break;
+	case PIXEL_ENCODING_YCBCR444:
+		dsc_pix_fmt = DSC_PIXFMT_YCBCR444;
+		break;
+	case PIXEL_ENCODING_YCBCR420:
+		dsc_pix_fmt = DSC_PIXFMT_NATIVE_YCBCR420;
+		break;
+	default:
+		dsc_pix_fmt = DSC_PIXFMT_UNKNOWN;
+		break;
+	}
+
+	ASSERT(dsc_pix_fmt != DSC_PIXFMT_UNKNOWN);
+	return dsc_pix_fmt;
+}
+
+
+enum dsc_bits_per_comp dsc_dc_color_depth_to_dsc_bits_per_comp(enum dc_color_depth dc_color_depth)
+{
+	enum dsc_bits_per_comp bpc = DSC_BPC_UNKNOWN;
+
+	switch (dc_color_depth) {
+	case COLOR_DEPTH_888:
+		bpc = DSC_BPC_8;
+		break;
+	case COLOR_DEPTH_101010:
+		bpc = DSC_BPC_10;
+		break;
+	case COLOR_DEPTH_121212:
+		bpc = DSC_BPC_12;
+		break;
+	default:
+		bpc = DSC_BPC_UNKNOWN;
+		break;
+	}
+
+	return bpc;
+}
+
+
+void dsc_init_reg_values(struct dsc_reg_values *reg_vals)
+{
+	int i;
+
+	memset(reg_vals, 0, sizeof(struct dsc_reg_values));
+
+	/* Non-PPS values */
+	reg_vals->dsc_clock_enable            = 1;
+	reg_vals->dsc_clock_gating_disable    = 0;
+	reg_vals->underflow_recovery_en       = 0;
+	reg_vals->underflow_occurred_int_en   = 0;
+	reg_vals->underflow_occurred_status   = 0;
+	reg_vals->ich_reset_at_eol            = 0;
+	reg_vals->alternate_ich_encoding_en   = 0;
+	reg_vals->rc_buffer_model_size        = 0;
+	/*reg_vals->disable_ich                 = 0;*/
+	reg_vals->dsc_dbg_en                  = 0;
+
+	for (i = 0; i < 4; i++)
+		reg_vals->rc_buffer_model_overflow_int_en[i] = 0;
+
+	/* PPS values */
+	reg_vals->pps.dsc_version_minor           = 2;
+	reg_vals->pps.dsc_version_major           = 1;
+	reg_vals->pps.line_buf_depth              = 9;
+	reg_vals->pps.bits_per_component          = 8;
+	reg_vals->pps.block_pred_enable           = 1;
+	reg_vals->pps.slice_chunk_size            = 0;
+	reg_vals->pps.pic_width                   = 0;
+	reg_vals->pps.pic_height                  = 0;
+	reg_vals->pps.slice_width                 = 0;
+	reg_vals->pps.slice_height                = 0;
+	reg_vals->pps.initial_xmit_delay          = 170;
+	reg_vals->pps.initial_dec_delay           = 0;
+	reg_vals->pps.initial_scale_value         = 0;
+	reg_vals->pps.scale_increment_interval    = 0;
+	reg_vals->pps.scale_decrement_interval    = 0;
+	reg_vals->pps.nfl_bpg_offset              = 0;
+	reg_vals->pps.slice_bpg_offset            = 0;
+	reg_vals->pps.nsl_bpg_offset              = 0;
+	reg_vals->pps.initial_offset              = 6144;
+	reg_vals->pps.final_offset                = 0;
+	reg_vals->pps.flatness_min_qp             = 3;
+	reg_vals->pps.flatness_max_qp             = 12;
+	reg_vals->pps.rc_model_size               = 8192;
+	reg_vals->pps.rc_edge_factor              = 6;
+	reg_vals->pps.rc_quant_incr_limit0        = 11;
+	reg_vals->pps.rc_quant_incr_limit1        = 11;
+	reg_vals->pps.rc_tgt_offset_low           = 3;
+	reg_vals->pps.rc_tgt_offset_high          = 3;
+}
+
+/* Updates dsc_reg_values::reg_vals::xxx fields based on the values from computed params.
+ * This is required because dscc_compute_dsc_parameters returns a modified PPS, which in turn
+ * affects non-PPS register values.
+ */
+void dsc_update_from_dsc_parameters(struct dsc_reg_values *reg_vals, const struct dsc_parameters *dsc_params)
+{
+	int i;
+
+	reg_vals->pps = dsc_params->pps;
+
+	// pps_computed will have the "expanded" values; need to shift them to make them fit for regs.
+	for (i = 0; i < NUM_BUF_RANGES - 1; i++)
+		reg_vals->pps.rc_buf_thresh[i] = reg_vals->pps.rc_buf_thresh[i] >> 6;
+
+	reg_vals->rc_buffer_model_size = dsc_params->rc_buffer_model_size;
+}
+
+static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals)
+{
+	uint32_t temp_int;
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	REG_SET(DSC_DEBUG_CONTROL, 0,
+		DSC_DBG_EN, reg_vals->dsc_dbg_en);
+
+	// dsccif registers
+	REG_SET_5(DSCCIF_CONFIG0, 0,
+		INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN, reg_vals->underflow_recovery_en,
+		INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN, reg_vals->underflow_occurred_int_en,
+		INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS, reg_vals->underflow_occurred_status,
+		INPUT_PIXEL_FORMAT, reg_vals->pixel_format,
+		DSCCIF_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
+
+	REG_SET_2(DSCCIF_CONFIG1, 0,
+		PIC_WIDTH, reg_vals->pps.pic_width,
+		PIC_HEIGHT, reg_vals->pps.pic_height);
+
+	// dscc registers
+	if (dsc20->dsc_mask->ICH_RESET_AT_END_OF_LINE == 0) {
+		REG_SET_3(DSCC_CONFIG0, 0,
+			  NUMBER_OF_SLICES_PER_LINE, reg_vals->num_slices_h - 1,
+			  ALTERNATE_ICH_ENCODING_EN, reg_vals->alternate_ich_encoding_en,
+			  NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, reg_vals->num_slices_v - 1);
+	} else {
+		REG_SET_4(DSCC_CONFIG0, 0, ICH_RESET_AT_END_OF_LINE,
+			  reg_vals->ich_reset_at_eol, NUMBER_OF_SLICES_PER_LINE,
+			  reg_vals->num_slices_h - 1, ALTERNATE_ICH_ENCODING_EN,
+			  reg_vals->alternate_ich_encoding_en, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION,
+			  reg_vals->num_slices_v - 1);
+	}
+
+	REG_SET(DSCC_CONFIG1, 0,
+			DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size);
+	/*REG_SET_2(DSCC_CONFIG1, 0,
+		DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size,
+		DSCC_DISABLE_ICH, reg_vals->disable_ich);*/
+
+	REG_SET_4(DSCC_INTERRUPT_CONTROL_STATUS, 0,
+		DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[0],
+		DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[1],
+		DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[2],
+		DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED_INT_EN, reg_vals->rc_buffer_model_overflow_int_en[3]);
+
+	REG_SET_3(DSCC_PPS_CONFIG0, 0,
+		DSC_VERSION_MINOR, reg_vals->pps.dsc_version_minor,
+		LINEBUF_DEPTH, reg_vals->pps.line_buf_depth,
+		DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
+
+	if (reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
+		temp_int = reg_vals->bpp_x32;
+	else
+		temp_int = reg_vals->bpp_x32 >> 1;
+
+	REG_SET_7(DSCC_PPS_CONFIG1, 0,
+		BITS_PER_PIXEL, temp_int,
+		SIMPLE_422, reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422,
+		CONVERT_RGB, reg_vals->pixel_format == DSC_PIXFMT_RGB,
+		BLOCK_PRED_ENABLE, reg_vals->pps.block_pred_enable,
+		NATIVE_422, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422,
+		NATIVE_420, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420,
+		CHUNK_SIZE, reg_vals->pps.slice_chunk_size);
+
+	REG_SET_2(DSCC_PPS_CONFIG2, 0,
+		PIC_WIDTH, reg_vals->pps.pic_width,
+		PIC_HEIGHT, reg_vals->pps.pic_height);
+
+	REG_SET_2(DSCC_PPS_CONFIG3, 0,
+		SLICE_WIDTH, reg_vals->pps.slice_width,
+		SLICE_HEIGHT, reg_vals->pps.slice_height);
+
+	REG_SET(DSCC_PPS_CONFIG4, 0,
+		INITIAL_XMIT_DELAY, reg_vals->pps.initial_xmit_delay);
+
+	REG_SET_2(DSCC_PPS_CONFIG5, 0,
+		INITIAL_SCALE_VALUE, reg_vals->pps.initial_scale_value,
+		SCALE_INCREMENT_INTERVAL, reg_vals->pps.scale_increment_interval);
+
+	REG_SET_3(DSCC_PPS_CONFIG6, 0,
+		SCALE_DECREMENT_INTERVAL, reg_vals->pps.scale_decrement_interval,
+		FIRST_LINE_BPG_OFFSET, reg_vals->pps.first_line_bpg_offset,
+		SECOND_LINE_BPG_OFFSET, reg_vals->pps.second_line_bpg_offset);
+
+	REG_SET_2(DSCC_PPS_CONFIG7, 0,
+		NFL_BPG_OFFSET, reg_vals->pps.nfl_bpg_offset,
+		SLICE_BPG_OFFSET, reg_vals->pps.slice_bpg_offset);
+
+	REG_SET_2(DSCC_PPS_CONFIG8, 0,
+		NSL_BPG_OFFSET, reg_vals->pps.nsl_bpg_offset,
+		SECOND_LINE_OFFSET_ADJ, reg_vals->pps.second_line_offset_adj);
+
+	REG_SET_2(DSCC_PPS_CONFIG9, 0,
+		INITIAL_OFFSET, reg_vals->pps.initial_offset,
+		FINAL_OFFSET, reg_vals->pps.final_offset);
+
+	REG_SET_3(DSCC_PPS_CONFIG10, 0,
+		FLATNESS_MIN_QP, reg_vals->pps.flatness_min_qp,
+		FLATNESS_MAX_QP, reg_vals->pps.flatness_max_qp,
+		RC_MODEL_SIZE, reg_vals->pps.rc_model_size);
+
+	REG_SET_5(DSCC_PPS_CONFIG11, 0,
+		RC_EDGE_FACTOR, reg_vals->pps.rc_edge_factor,
+		RC_QUANT_INCR_LIMIT0, reg_vals->pps.rc_quant_incr_limit0,
+		RC_QUANT_INCR_LIMIT1, reg_vals->pps.rc_quant_incr_limit1,
+		RC_TGT_OFFSET_LO, reg_vals->pps.rc_tgt_offset_low,
+		RC_TGT_OFFSET_HI, reg_vals->pps.rc_tgt_offset_high);
+
+	REG_SET_4(DSCC_PPS_CONFIG12, 0,
+		RC_BUF_THRESH0, reg_vals->pps.rc_buf_thresh[0],
+		RC_BUF_THRESH1, reg_vals->pps.rc_buf_thresh[1],
+		RC_BUF_THRESH2, reg_vals->pps.rc_buf_thresh[2],
+		RC_BUF_THRESH3, reg_vals->pps.rc_buf_thresh[3]);
+
+	REG_SET_4(DSCC_PPS_CONFIG13, 0,
+		RC_BUF_THRESH4, reg_vals->pps.rc_buf_thresh[4],
+		RC_BUF_THRESH5, reg_vals->pps.rc_buf_thresh[5],
+		RC_BUF_THRESH6, reg_vals->pps.rc_buf_thresh[6],
+		RC_BUF_THRESH7, reg_vals->pps.rc_buf_thresh[7]);
+
+	REG_SET_4(DSCC_PPS_CONFIG14, 0,
+		RC_BUF_THRESH8, reg_vals->pps.rc_buf_thresh[8],
+		RC_BUF_THRESH9, reg_vals->pps.rc_buf_thresh[9],
+		RC_BUF_THRESH10, reg_vals->pps.rc_buf_thresh[10],
+		RC_BUF_THRESH11, reg_vals->pps.rc_buf_thresh[11]);
+
+	REG_SET_5(DSCC_PPS_CONFIG15, 0,
+		RC_BUF_THRESH12, reg_vals->pps.rc_buf_thresh[12],
+		RC_BUF_THRESH13, reg_vals->pps.rc_buf_thresh[13],
+		RANGE_MIN_QP0, reg_vals->pps.rc_range_params[0].range_min_qp,
+		RANGE_MAX_QP0, reg_vals->pps.rc_range_params[0].range_max_qp,
+		RANGE_BPG_OFFSET0, reg_vals->pps.rc_range_params[0].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG16, 0,
+		RANGE_MIN_QP1, reg_vals->pps.rc_range_params[1].range_min_qp,
+		RANGE_MAX_QP1, reg_vals->pps.rc_range_params[1].range_max_qp,
+		RANGE_BPG_OFFSET1, reg_vals->pps.rc_range_params[1].range_bpg_offset,
+		RANGE_MIN_QP2, reg_vals->pps.rc_range_params[2].range_min_qp,
+		RANGE_MAX_QP2, reg_vals->pps.rc_range_params[2].range_max_qp,
+		RANGE_BPG_OFFSET2, reg_vals->pps.rc_range_params[2].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG17, 0,
+		RANGE_MIN_QP3, reg_vals->pps.rc_range_params[3].range_min_qp,
+		RANGE_MAX_QP3, reg_vals->pps.rc_range_params[3].range_max_qp,
+		RANGE_BPG_OFFSET3, reg_vals->pps.rc_range_params[3].range_bpg_offset,
+		RANGE_MIN_QP4, reg_vals->pps.rc_range_params[4].range_min_qp,
+		RANGE_MAX_QP4, reg_vals->pps.rc_range_params[4].range_max_qp,
+		RANGE_BPG_OFFSET4, reg_vals->pps.rc_range_params[4].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG18, 0,
+		RANGE_MIN_QP5, reg_vals->pps.rc_range_params[5].range_min_qp,
+		RANGE_MAX_QP5, reg_vals->pps.rc_range_params[5].range_max_qp,
+		RANGE_BPG_OFFSET5, reg_vals->pps.rc_range_params[5].range_bpg_offset,
+		RANGE_MIN_QP6, reg_vals->pps.rc_range_params[6].range_min_qp,
+		RANGE_MAX_QP6, reg_vals->pps.rc_range_params[6].range_max_qp,
+		RANGE_BPG_OFFSET6, reg_vals->pps.rc_range_params[6].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG19, 0,
+		RANGE_MIN_QP7, reg_vals->pps.rc_range_params[7].range_min_qp,
+		RANGE_MAX_QP7, reg_vals->pps.rc_range_params[7].range_max_qp,
+		RANGE_BPG_OFFSET7, reg_vals->pps.rc_range_params[7].range_bpg_offset,
+		RANGE_MIN_QP8, reg_vals->pps.rc_range_params[8].range_min_qp,
+		RANGE_MAX_QP8, reg_vals->pps.rc_range_params[8].range_max_qp,
+		RANGE_BPG_OFFSET8, reg_vals->pps.rc_range_params[8].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG20, 0,
+		RANGE_MIN_QP9, reg_vals->pps.rc_range_params[9].range_min_qp,
+		RANGE_MAX_QP9, reg_vals->pps.rc_range_params[9].range_max_qp,
+		RANGE_BPG_OFFSET9, reg_vals->pps.rc_range_params[9].range_bpg_offset,
+		RANGE_MIN_QP10, reg_vals->pps.rc_range_params[10].range_min_qp,
+		RANGE_MAX_QP10, reg_vals->pps.rc_range_params[10].range_max_qp,
+		RANGE_BPG_OFFSET10, reg_vals->pps.rc_range_params[10].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG21, 0,
+		RANGE_MIN_QP11, reg_vals->pps.rc_range_params[11].range_min_qp,
+		RANGE_MAX_QP11, reg_vals->pps.rc_range_params[11].range_max_qp,
+		RANGE_BPG_OFFSET11, reg_vals->pps.rc_range_params[11].range_bpg_offset,
+		RANGE_MIN_QP12, reg_vals->pps.rc_range_params[12].range_min_qp,
+		RANGE_MAX_QP12, reg_vals->pps.rc_range_params[12].range_max_qp,
+		RANGE_BPG_OFFSET12, reg_vals->pps.rc_range_params[12].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG22, 0,
+		RANGE_MIN_QP13, reg_vals->pps.rc_range_params[13].range_min_qp,
+		RANGE_MAX_QP13, reg_vals->pps.rc_range_params[13].range_max_qp,
+		RANGE_BPG_OFFSET13, reg_vals->pps.rc_range_params[13].range_bpg_offset,
+		RANGE_MIN_QP14, reg_vals->pps.rc_range_params[14].range_min_qp,
+		RANGE_MAX_QP14, reg_vals->pps.rc_range_params[14].range_max_qp,
+		RANGE_BPG_OFFSET14, reg_vals->pps.rc_range_params[14].range_bpg_offset);
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn20/dcn20_dsc.h

@@ -0,0 +1,619 @@
+/* Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DCN20_DSC_H__
+#define __DCN20_DSC_H__
+
+#include "dsc.h"
+#include "dsc/dscc_types.h"
+#include <drm/display/drm_dsc.h>
+
+#define TO_DCN20_DSC(dsc)\
+	container_of(dsc, struct dcn20_dsc, base)
+
+#define DSC_REG_LIST_DCN20(id) \
+	SRI(DSC_TOP_CONTROL, DSC_TOP, id),\
+	SRI(DSC_DEBUG_CONTROL, DSC_TOP, id),\
+	SRI(DSCC_CONFIG0, DSCC, id),\
+	SRI(DSCC_CONFIG1, DSCC, id),\
+	SRI(DSCC_STATUS, DSCC, id),\
+	SRI(DSCC_INTERRUPT_CONTROL_STATUS, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG0, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG1, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG2, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG3, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG4, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG5, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG6, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG7, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG8, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG9, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG10, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG11, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG12, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG13, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG14, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG15, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG16, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG17, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG18, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG19, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG20, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG21, DSCC, id),\
+	SRI(DSCC_PPS_CONFIG22, DSCC, id),\
+	SRI(DSCC_MEM_POWER_CONTROL, DSCC, id),\
+	SRI(DSCC_R_Y_SQUARED_ERROR_LOWER, DSCC, id),\
+	SRI(DSCC_R_Y_SQUARED_ERROR_UPPER, DSCC, id),\
+	SRI(DSCC_G_CB_SQUARED_ERROR_LOWER, DSCC, id),\
+	SRI(DSCC_G_CB_SQUARED_ERROR_UPPER, DSCC, id),\
+	SRI(DSCC_B_CR_SQUARED_ERROR_LOWER, DSCC, id),\
+	SRI(DSCC_B_CR_SQUARED_ERROR_UPPER, DSCC, id),\
+	SRI(DSCC_MAX_ABS_ERROR0, DSCC, id),\
+	SRI(DSCC_MAX_ABS_ERROR1, DSCC, id),\
+	SRI(DSCC_RATE_BUFFER0_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_BUFFER1_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_BUFFER2_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_BUFFER3_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_CONTROL_BUFFER0_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_CONTROL_BUFFER1_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_CONTROL_BUFFER2_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_RATE_CONTROL_BUFFER3_MAX_FULLNESS_LEVEL, DSCC, id),\
+	SRI(DSCC_TEST_DEBUG_BUS_ROTATE, DSCC, id),\
+	SRI(DSCCIF_CONFIG0, DSCCIF, id),\
+	SRI(DSCCIF_CONFIG1, DSCCIF, id),\
+	SRI(DSCRM_DSC_FORWARD_CONFIG, DSCRM, id)
+
+
+#define DSC_SF(reg_name, field_name, post_fix)\
+	.field_name = reg_name ## __ ## field_name ## post_fix
+
+//Used in resolving the corner case with duplicate field name
+#define DSC2_SF(reg_name, field_name, post_fix)\
+	.field_name = reg_name ## _ ## field_name ## post_fix
+
+#define DSC_REG_LIST_SH_MASK_DCN20(mask_sh)\
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_CLOCK_EN, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_DISPCLK_R_GATE_DIS, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_DSCCLK_R_GATE_DIS, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_DEBUG_CONTROL, DSC_DBG_EN, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_DEBUG_CONTROL, DSC_TEST_CLOCK_MUX_SEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, ICH_RESET_AT_END_OF_LINE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, NUMBER_OF_SLICES_PER_LINE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, ALTERNATE_ICH_ENCODING_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG1, DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, mask_sh), \
+	/*DSC_SF(DSCC0_DSCC_CONFIG1, DSCC_DISABLE_ICH, mask_sh),*/ \
+	DSC_SF(DSCC0_DSCC_STATUS, DSCC_DOUBLE_BUFFER_REG_UPDATE_PENDING, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER0_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER1_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER2_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER3_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER0_UNDERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER1_UNDERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER2_UNDERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER3_UNDERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER0_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER1_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER2_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER3_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER0_UNDERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER1_UNDERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER2_UNDERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_BUFFER3_UNDERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL_STATUS, DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, DSC_VERSION_MINOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, DSC_VERSION_MAJOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, PPS_IDENTIFIER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, LINEBUF_DEPTH, mask_sh), \
+	DSC2_SF(DSCC0, DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, BITS_PER_PIXEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, VBR_ENABLE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, SIMPLE_422, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, CONVERT_RGB, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, BLOCK_PRED_ENABLE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, NATIVE_422, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, NATIVE_420, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, CHUNK_SIZE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG2, PIC_WIDTH, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG2, PIC_HEIGHT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG3, SLICE_WIDTH, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG3, SLICE_HEIGHT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG4, INITIAL_XMIT_DELAY, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG4, INITIAL_DEC_DELAY, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG5, INITIAL_SCALE_VALUE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG5, SCALE_INCREMENT_INTERVAL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, SCALE_DECREMENT_INTERVAL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, FIRST_LINE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, SECOND_LINE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG7, NFL_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG8, NSL_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG8, SECOND_LINE_OFFSET_ADJ, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG9, INITIAL_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG9, FINAL_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, FLATNESS_MIN_QP, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, FLATNESS_MAX_QP, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, RC_MODEL_SIZE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_EDGE_FACTOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_QUANT_INCR_LIMIT0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_QUANT_INCR_LIMIT1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_TGT_OFFSET_LO, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_TGT_OFFSET_HI, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RC_BUF_THRESH12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RC_BUF_THRESH13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_MIN_QP0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_MAX_QP0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_BPG_OFFSET0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MIN_QP1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MAX_QP1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_BPG_OFFSET1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MIN_QP2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MAX_QP2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_BPG_OFFSET2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MIN_QP3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MAX_QP3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_BPG_OFFSET3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MIN_QP4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MAX_QP4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_BPG_OFFSET4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MIN_QP5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MAX_QP5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_BPG_OFFSET5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MIN_QP6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MAX_QP6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_BPG_OFFSET6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MIN_QP7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MAX_QP7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_BPG_OFFSET7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MIN_QP8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MAX_QP8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_BPG_OFFSET8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MIN_QP9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MAX_QP9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_BPG_OFFSET9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MIN_QP10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MAX_QP10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_BPG_OFFSET10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MIN_QP11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MAX_QP11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_BPG_OFFSET11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MIN_QP12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MAX_QP12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_BPG_OFFSET12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MIN_QP13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MAX_QP13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_BPG_OFFSET13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MIN_QP14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MAX_QP14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_BPG_OFFSET14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_DEFAULT_MEM_LOW_POWER_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_MEM_PWR_FORCE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_MEM_PWR_DIS, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_MEM_PWR_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_NATIVE_422_MEM_PWR_FORCE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_NATIVE_422_MEM_PWR_DIS, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL, DSCC_NATIVE_422_MEM_PWR_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_R_Y_SQUARED_ERROR_LOWER, DSCC_R_Y_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_R_Y_SQUARED_ERROR_UPPER, DSCC_R_Y_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_G_CB_SQUARED_ERROR_LOWER, DSCC_G_CB_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_G_CB_SQUARED_ERROR_UPPER, DSCC_G_CB_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_B_CR_SQUARED_ERROR_LOWER, DSCC_B_CR_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_B_CR_SQUARED_ERROR_UPPER, DSCC_B_CR_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR0, DSCC_R_Y_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR0, DSCC_G_CB_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR1, DSCC_B_CR_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER0_MAX_FULLNESS_LEVEL, DSCC_RATE_BUFFER0_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER1_MAX_FULLNESS_LEVEL, DSCC_RATE_BUFFER1_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER2_MAX_FULLNESS_LEVEL, DSCC_RATE_BUFFER2_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER3_MAX_FULLNESS_LEVEL, DSCC_RATE_BUFFER3_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_CONTROL_BUFFER0_MAX_FULLNESS_LEVEL, DSCC_RATE_CONTROL_BUFFER0_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_CONTROL_BUFFER1_MAX_FULLNESS_LEVEL, DSCC_RATE_CONTROL_BUFFER1_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_CONTROL_BUFFER2_MAX_FULLNESS_LEVEL, DSCC_RATE_CONTROL_BUFFER2_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_CONTROL_BUFFER3_MAX_FULLNESS_LEVEL, DSCC_RATE_CONTROL_BUFFER3_MAX_FULLNESS_LEVEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS0_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS1_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS2_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS3_ROTATE, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, INPUT_PIXEL_FORMAT, mask_sh), \
+	DSC2_SF(DSCCIF0, DSCCIF_CONFIG0__BITS_PER_COMPONENT, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, DOUBLE_BUFFER_REG_UPDATE_PENDING, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG1, PIC_WIDTH, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG1, PIC_HEIGHT, mask_sh), \
+	DSC_SF(DSCRM0_DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, mask_sh), \
+	DSC_SF(DSCRM0_DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_OPP_PIPE_SOURCE, mask_sh)
+
+
+
+#define DSC_FIELD_LIST_DCN20(type)\
+	type DSC_CLOCK_EN; \
+	type DSC_DISPCLK_R_GATE_DIS; \
+	type DSC_DSCCLK_R_GATE_DIS; \
+	type DSC_DBG_EN; \
+	type DSC_TEST_CLOCK_MUX_SEL; \
+	type ICH_RESET_AT_END_OF_LINE; \
+	type NUMBER_OF_SLICES_PER_LINE; \
+	type ALTERNATE_ICH_ENCODING_EN; \
+	type NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE; \
+	/*type DSCC_DISABLE_ICH;*/ \
+	type DSCC_DOUBLE_BUFFER_REG_UPDATE_PENDING; \
+	type DSCC_RATE_BUFFER0_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER1_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER2_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER3_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER0_UNDERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER1_UNDERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER2_UNDERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER3_UNDERFLOW_OCCURRED; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED; \
+	type DSCC_RATE_BUFFER0_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER1_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER2_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER3_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER0_UNDERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER1_UNDERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER2_UNDERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_BUFFER3_UNDERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL0_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL1_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL2_OVERFLOW_OCCURRED_INT_EN; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL3_OVERFLOW_OCCURRED_INT_EN; \
+	type DSC_VERSION_MINOR; \
+	type DSC_VERSION_MAJOR; \
+	type PPS_IDENTIFIER; \
+	type LINEBUF_DEPTH; \
+	type DSCC_PPS_CONFIG0__BITS_PER_COMPONENT; \
+	type BITS_PER_PIXEL; \
+	type VBR_ENABLE; \
+	type SIMPLE_422; \
+	type CONVERT_RGB; \
+	type BLOCK_PRED_ENABLE; \
+	type NATIVE_422; \
+	type NATIVE_420; \
+	type CHUNK_SIZE; \
+	type PIC_WIDTH; \
+	type PIC_HEIGHT; \
+	type SLICE_WIDTH; \
+	type SLICE_HEIGHT; \
+	type INITIAL_XMIT_DELAY; \
+	type INITIAL_DEC_DELAY; \
+	type INITIAL_SCALE_VALUE; \
+	type SCALE_INCREMENT_INTERVAL; \
+	type SCALE_DECREMENT_INTERVAL; \
+	type FIRST_LINE_BPG_OFFSET; \
+	type SECOND_LINE_BPG_OFFSET; \
+	type NFL_BPG_OFFSET; \
+	type SLICE_BPG_OFFSET; \
+	type NSL_BPG_OFFSET; \
+	type SECOND_LINE_OFFSET_ADJ; \
+	type INITIAL_OFFSET; \
+	type FINAL_OFFSET; \
+	type FLATNESS_MIN_QP; \
+	type FLATNESS_MAX_QP; \
+	type RC_MODEL_SIZE; \
+	type RC_EDGE_FACTOR; \
+	type RC_QUANT_INCR_LIMIT0; \
+	type RC_QUANT_INCR_LIMIT1; \
+	type RC_TGT_OFFSET_LO; \
+	type RC_TGT_OFFSET_HI; \
+	type RC_BUF_THRESH0; \
+	type RC_BUF_THRESH1; \
+	type RC_BUF_THRESH2; \
+	type RC_BUF_THRESH3; \
+	type RC_BUF_THRESH4; \
+	type RC_BUF_THRESH5; \
+	type RC_BUF_THRESH6; \
+	type RC_BUF_THRESH7; \
+	type RC_BUF_THRESH8; \
+	type RC_BUF_THRESH9; \
+	type RC_BUF_THRESH10; \
+	type RC_BUF_THRESH11; \
+	type RC_BUF_THRESH12; \
+	type RC_BUF_THRESH13; \
+	type RANGE_MIN_QP0; \
+	type RANGE_MAX_QP0; \
+	type RANGE_BPG_OFFSET0; \
+	type RANGE_MIN_QP1; \
+	type RANGE_MAX_QP1; \
+	type RANGE_BPG_OFFSET1; \
+	type RANGE_MIN_QP2; \
+	type RANGE_MAX_QP2; \
+	type RANGE_BPG_OFFSET2; \
+	type RANGE_MIN_QP3; \
+	type RANGE_MAX_QP3; \
+	type RANGE_BPG_OFFSET3; \
+	type RANGE_MIN_QP4; \
+	type RANGE_MAX_QP4; \
+	type RANGE_BPG_OFFSET4; \
+	type RANGE_MIN_QP5; \
+	type RANGE_MAX_QP5; \
+	type RANGE_BPG_OFFSET5; \
+	type RANGE_MIN_QP6; \
+	type RANGE_MAX_QP6; \
+	type RANGE_BPG_OFFSET6; \
+	type RANGE_MIN_QP7; \
+	type RANGE_MAX_QP7; \
+	type RANGE_BPG_OFFSET7; \
+	type RANGE_MIN_QP8; \
+	type RANGE_MAX_QP8; \
+	type RANGE_BPG_OFFSET8; \
+	type RANGE_MIN_QP9; \
+	type RANGE_MAX_QP9; \
+	type RANGE_BPG_OFFSET9; \
+	type RANGE_MIN_QP10; \
+	type RANGE_MAX_QP10; \
+	type RANGE_BPG_OFFSET10; \
+	type RANGE_MIN_QP11; \
+	type RANGE_MAX_QP11; \
+	type RANGE_BPG_OFFSET11; \
+	type RANGE_MIN_QP12; \
+	type RANGE_MAX_QP12; \
+	type RANGE_BPG_OFFSET12; \
+	type RANGE_MIN_QP13; \
+	type RANGE_MAX_QP13; \
+	type RANGE_BPG_OFFSET13; \
+	type RANGE_MIN_QP14; \
+	type RANGE_MAX_QP14; \
+	type RANGE_BPG_OFFSET14; \
+	type DSCC_DEFAULT_MEM_LOW_POWER_STATE; \
+	type DSCC_MEM_PWR_FORCE; \
+	type DSCC_MEM_PWR_DIS; \
+	type DSCC_MEM_PWR_STATE; \
+	type DSCC_NATIVE_422_MEM_PWR_FORCE; \
+	type DSCC_NATIVE_422_MEM_PWR_DIS; \
+	type DSCC_NATIVE_422_MEM_PWR_STATE; \
+	type DSCC_R_Y_SQUARED_ERROR_LOWER; \
+	type DSCC_R_Y_SQUARED_ERROR_UPPER; \
+	type DSCC_G_CB_SQUARED_ERROR_LOWER; \
+	type DSCC_G_CB_SQUARED_ERROR_UPPER; \
+	type DSCC_B_CR_SQUARED_ERROR_LOWER; \
+	type DSCC_B_CR_SQUARED_ERROR_UPPER; \
+	type DSCC_R_Y_MAX_ABS_ERROR; \
+	type DSCC_G_CB_MAX_ABS_ERROR; \
+	type DSCC_B_CR_MAX_ABS_ERROR; \
+	type DSCC_RATE_BUFFER0_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER1_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER2_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER3_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER0_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER1_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER2_MAX_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER3_MAX_FULLNESS_LEVEL; \
+	type DSCC_UPDATE_PENDING_STATUS; \
+	type DSCC_UPDATE_TAKEN_STATUS; \
+	type DSCC_UPDATE_TAKEN_ACK; \
+	type DSCC_TEST_DEBUG_BUS0_ROTATE; \
+	type DSCC_TEST_DEBUG_BUS1_ROTATE; \
+	type DSCC_TEST_DEBUG_BUS2_ROTATE; \
+	type DSCC_TEST_DEBUG_BUS3_ROTATE; \
+	type DSCC_RATE_BUFFER0_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER1_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER2_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER3_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER0_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER1_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER2_FULLNESS_LEVEL; \
+	type DSCC_RATE_CONTROL_BUFFER3_FULLNESS_LEVEL; \
+	type DSCC_RATE_BUFFER0_INITIAL_XMIT_DELAY_REACHED; \
+	type DSCC_RATE_BUFFER1_INITIAL_XMIT_DELAY_REACHED; \
+	type DSCC_RATE_BUFFER2_INITIAL_XMIT_DELAY_REACHED; \
+	type DSCC_RATE_BUFFER3_INITIAL_XMIT_DELAY_REACHED; \
+	type INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN; \
+	type INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN; \
+	type INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS; \
+	type INPUT_PIXEL_FORMAT; \
+	type DSCCIF_CONFIG0__BITS_PER_COMPONENT; \
+	type DOUBLE_BUFFER_REG_UPDATE_PENDING; \
+	type DSCCIF_UPDATE_PENDING_STATUS; \
+	type DSCCIF_UPDATE_TAKEN_STATUS; \
+	type DSCCIF_UPDATE_TAKEN_ACK; \
+	type DSCRM_DSC_FORWARD_EN; \
+	type DSCRM_DSC_OPP_PIPE_SOURCE; \
+	type DSCRM_DSC_DOUBLE_BUFFER_REG_UPDATE_PENDING; \
+	type DSCRM_DSC_FORWARD_EN_STATUS
+
+enum dsc_bits_per_comp {
+	DSC_BPC_8 = 8,
+	DSC_BPC_10 = 10,
+	DSC_BPC_12 = 12,
+	DSC_BPC_UNKNOWN
+};
+
+struct dcn20_dsc_registers {
+	uint32_t DSC_TOP_CONTROL;
+	uint32_t DSC_DEBUG_CONTROL;
+	uint32_t DSCC_CONFIG0;
+	uint32_t DSCC_CONFIG1;
+	uint32_t DSCC_STATUS;
+	uint32_t DSCC_INTERRUPT_CONTROL_STATUS;
+	uint32_t DSCC_PPS_CONFIG0;
+	uint32_t DSCC_PPS_CONFIG1;
+	uint32_t DSCC_PPS_CONFIG2;
+	uint32_t DSCC_PPS_CONFIG3;
+	uint32_t DSCC_PPS_CONFIG4;
+	uint32_t DSCC_PPS_CONFIG5;
+	uint32_t DSCC_PPS_CONFIG6;
+	uint32_t DSCC_PPS_CONFIG7;
+	uint32_t DSCC_PPS_CONFIG8;
+	uint32_t DSCC_PPS_CONFIG9;
+	uint32_t DSCC_PPS_CONFIG10;
+	uint32_t DSCC_PPS_CONFIG11;
+	uint32_t DSCC_PPS_CONFIG12;
+	uint32_t DSCC_PPS_CONFIG13;
+	uint32_t DSCC_PPS_CONFIG14;
+	uint32_t DSCC_PPS_CONFIG15;
+	uint32_t DSCC_PPS_CONFIG16;
+	uint32_t DSCC_PPS_CONFIG17;
+	uint32_t DSCC_PPS_CONFIG18;
+	uint32_t DSCC_PPS_CONFIG19;
+	uint32_t DSCC_PPS_CONFIG20;
+	uint32_t DSCC_PPS_CONFIG21;
+	uint32_t DSCC_PPS_CONFIG22;
+	uint32_t DSCC_MEM_POWER_CONTROL;
+	uint32_t DSCC_R_Y_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_R_Y_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_G_CB_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_G_CB_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_B_CR_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_B_CR_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_MAX_ABS_ERROR0;
+	uint32_t DSCC_MAX_ABS_ERROR1;
+	uint32_t DSCC_RATE_BUFFER0_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_BUFFER1_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_BUFFER2_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_BUFFER3_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_CONTROL_BUFFER0_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_CONTROL_BUFFER1_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_CONTROL_BUFFER2_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_RATE_CONTROL_BUFFER3_MAX_FULLNESS_LEVEL;
+	uint32_t DSCC_TEST_DEBUG_BUS_ROTATE;
+	uint32_t DSCCIF_CONFIG0;
+	uint32_t DSCCIF_CONFIG1;
+	uint32_t DSCRM_DSC_FORWARD_CONFIG;
+};
+
+
+struct dcn20_dsc_shift {
+	DSC_FIELD_LIST_DCN20(uint8_t);
+};
+
+struct dcn20_dsc_mask {
+	DSC_FIELD_LIST_DCN20(uint32_t);
+};
+
+/* DSCCIF_CONFIG.INPUT_PIXEL_FORMAT values */
+enum dsc_pixel_format {
+	DSC_PIXFMT_RGB,
+	DSC_PIXFMT_YCBCR444,
+	DSC_PIXFMT_SIMPLE_YCBCR422,
+	DSC_PIXFMT_NATIVE_YCBCR422,
+	DSC_PIXFMT_NATIVE_YCBCR420,
+	DSC_PIXFMT_UNKNOWN
+};
+
+struct dsc_reg_values {
+	/* PPS registers */
+	struct drm_dsc_config pps;
+
+	/* Additional registers */
+	uint32_t dsc_clock_enable;
+	uint32_t dsc_clock_gating_disable;
+	uint32_t underflow_recovery_en;
+	uint32_t underflow_occurred_int_en;
+	uint32_t underflow_occurred_status;
+	enum dsc_pixel_format pixel_format;
+	uint32_t ich_reset_at_eol;
+	uint32_t alternate_ich_encoding_en;
+	uint32_t num_slices_h;
+	uint32_t num_slices_v;
+	uint32_t rc_buffer_model_size;
+	uint32_t disable_ich;
+	uint32_t bpp_x32;
+	uint32_t dsc_dbg_en;
+	uint32_t rc_buffer_model_overflow_int_en[4];
+};
+
+struct dcn20_dsc {
+	struct display_stream_compressor base;
+	const struct dcn20_dsc_registers *dsc_regs;
+	const struct dcn20_dsc_shift *dsc_shift;
+	const struct dcn20_dsc_mask *dsc_mask;
+
+	struct dsc_reg_values reg_vals;
+
+	int max_image_width;
+};
+
+void dsc_config_log(struct display_stream_compressor *dsc,
+		const struct dsc_config *config);
+
+void dsc_log_pps(struct display_stream_compressor *dsc,
+		struct drm_dsc_config *pps);
+
+void dsc_override_rc_params(struct rc_params *rc,
+		const struct dc_dsc_rc_params_override *override);
+
+bool dsc_prepare_config(const struct dsc_config *dsc_cfg,
+		struct dsc_reg_values *dsc_reg_vals,
+		struct dsc_optc_config *dsc_optc_cfg);
+
+enum dsc_pixel_format dsc_dc_pixel_encoding_to_dsc_pixel_format(enum dc_pixel_encoding dc_pix_enc,
+		bool is_ycbcr422_simple);
+
+enum dsc_bits_per_comp dsc_dc_color_depth_to_dsc_bits_per_comp(enum dc_color_depth dc_color_depth);
+
+void dsc_init_reg_values(struct dsc_reg_values *reg_vals);
+
+void dsc_update_from_dsc_parameters(struct dsc_reg_values *reg_vals, const struct dsc_parameters *dsc_params);
+
+void 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);
+
+void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps,
+		int pixel_clock_100Hz);
+
+bool dsc2_get_packed_pps(struct display_stream_compressor *dsc,
+		const struct dsc_config *dsc_cfg,
+		uint8_t *dsc_packed_pps);
+
+void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s);
+void dsc2_read_reg_state(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state);
+bool dsc2_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg);
+void dsc2_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+		struct dsc_optc_config *dsc_optc_cfg);
+void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe);
+void dsc2_disable(struct display_stream_compressor *dsc);
+void dsc2_disconnect(struct display_stream_compressor *dsc);
+void dsc2_wait_disconnect_pending_clear(struct display_stream_compressor *dsc);
+
+#endif
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.c

@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dcn35_dsc.h"
+#include "reg_helper.h"
+
+static void dsc35_enable(struct display_stream_compressor *dsc, int opp_pipe);
+static void dsc35_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz);
+
+static const struct dsc_funcs dcn35_dsc_funcs = {
+	.dsc_read_state = dsc2_read_state,
+	.dsc_read_reg_state = dsc2_read_reg_state,
+	.dsc_validate_stream = dsc2_validate_stream,
+	.dsc_set_config = dsc2_set_config,
+	.dsc_get_packed_pps = dsc2_get_packed_pps,
+	.dsc_enable = dsc35_enable,
+	.dsc_disable = dsc2_disable,
+	.dsc_disconnect = dsc2_disconnect,
+	.dsc_wait_disconnect_pending_clear = dsc2_wait_disconnect_pending_clear,
+	.dsc_get_single_enc_caps = dsc35_get_single_enc_caps,
+};
+
+/* Macro definitios for REG_SET macros*/
+#define CTX \
+	dsc20->base.ctx
+
+#define REG(reg)\
+	dsc20->dsc_regs->reg
+
+#undef FN
+#define FN(reg_name, field_name)                                          \
+	((const struct dcn35_dsc_shift *)(dsc20->dsc_shift))->field_name, \
+		((const struct dcn35_dsc_mask *)(dsc20->dsc_mask))->field_name
+
+#define DC_LOGGER \
+	dsc->ctx->logger
+
+void dsc35_construct(struct dcn20_dsc *dsc,
+		struct dc_context *ctx,
+		int inst,
+		const struct dcn20_dsc_registers *dsc_regs,
+		const struct dcn35_dsc_shift *dsc_shift,
+		const struct dcn35_dsc_mask *dsc_mask)
+{
+	dsc->base.ctx = ctx;
+	dsc->base.inst = inst;
+	dsc->base.funcs = &dcn35_dsc_funcs;
+
+	dsc->dsc_regs = dsc_regs;
+	dsc->dsc_shift = (const struct dcn20_dsc_shift *)(dsc_shift);
+	dsc->dsc_mask = (const struct dcn20_dsc_mask *)(dsc_mask);
+
+	dsc->max_image_width = 5184;
+}
+
+static void dsc35_enable(struct display_stream_compressor *dsc, int opp_pipe)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+	uint32_t dsc_clock_en;
+	uint32_t dsc_fw_config;
+	uint32_t enabled_opp_pipe;
+
+	DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
+
+	// TODO: After an idle exit, the HW default values for power control
+	// are changed intermittently due to unknown reasons. There are cases
+	// when dscc memory are still in shutdown state during enablement.
+	// Reset power control to hw default values.
+	REG_UPDATE_2(DSCC_MEM_POWER_CONTROL,
+		DSCC_MEM_PWR_FORCE, 0,
+		DSCC_MEM_PWR_DIS, 0);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
+	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
+	if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
+		DC_LOG_DSC("ERROR: DSC %d at opp pipe %u already enabled!", dsc->inst, enabled_opp_pipe);
+		ASSERT(0);
+	}
+
+	REG_UPDATE(DSC_TOP_CONTROL,
+		DSC_CLOCK_EN, 1);
+
+	REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 1,
+		DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
+}
+
+void dsc35_set_fgcg(struct dcn20_dsc *dsc20, bool enable)
+{
+	REG_UPDATE(DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, !enable);
+}
+
+void dsc35_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz)
+{
+	dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */
+
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1;
+
+	dsc_enc_caps->lb_bit_depth = 13;
+	dsc_enc_caps->is_block_pred_supported = true;
+
+	dsc_enc_caps->color_formats.bits.RGB = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;
+
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1;
+
+	dsc_enc_caps->max_total_throughput_mps = max_dscclk_khz * 3 / 1000;
+
+	dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
+	dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn35/dcn35_dsc.h

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DCN35_DSC_H__
+#define __DCN35_DSC_H__
+
+#include "dcn20/dcn20_dsc.h"
+
+#define DSC_REG_LIST_SH_MASK_DCN35(mask_sh)  \
+	DSC_REG_LIST_SH_MASK_DCN20(mask_sh), \
+		DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, mask_sh)
+
+#define DSC_FIELD_LIST_DCN35(type)          \
+	struct {                            \
+		DSC_FIELD_LIST_DCN20(type); \
+		type DSC_FGCG_REP_DIS;      \
+	}
+
+struct dcn35_dsc_shift {
+	DSC_FIELD_LIST_DCN35(uint8_t);
+};
+
+struct dcn35_dsc_mask {
+	DSC_FIELD_LIST_DCN35(uint32_t);
+};
+
+void dsc35_construct(struct dcn20_dsc *dsc,
+		struct dc_context *ctx,
+		int inst,
+		const struct dcn20_dsc_registers *dsc_regs,
+		const struct dcn35_dsc_shift *dsc_shift,
+		const struct dcn35_dsc_mask *dsc_mask);
+
+void dsc35_set_fgcg(struct dcn20_dsc *dsc20, bool enable);
+
+#endif /* __DCN35_DSC_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.c

@@ -0,0 +1,400 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2024 Advanced Micro Devices, Inc.
+
+#include <drm/display/drm_dsc_helper.h>
+
+#include "reg_helper.h"
+#include "dcn401_dsc.h"
+#include "dsc/dscc_types.h"
+#include "dsc/rc_calc.h"
+
+static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals);
+
+/* Object I/F functions */
+//static void dsc401_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz);
+//static bool dsc401_get_packed_pps(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, uint8_t *dsc_packed_pps);
+static void dsc401_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz);
+
+static const struct dsc_funcs dcn401_dsc_funcs = {
+	.dsc_read_state = dsc401_read_state,
+	.dsc_validate_stream = dsc401_validate_stream,
+	.dsc_set_config = dsc401_set_config,
+	.dsc_get_packed_pps = dsc2_get_packed_pps,
+	.dsc_enable = dsc401_enable,
+	.dsc_disable = dsc401_disable,
+	.dsc_disconnect = dsc401_disconnect,
+	.dsc_wait_disconnect_pending_clear = dsc401_wait_disconnect_pending_clear,
+	.dsc_get_single_enc_caps = dsc401_get_single_enc_caps,
+	.dsc_read_reg_state = dsc2_read_reg_state
+};
+
+/* Macro definitios for REG_SET macros*/
+#define CTX \
+	dsc401->base.ctx
+
+#define REG(reg)\
+	dsc401->dsc_regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	dsc401->dsc_shift->field_name, dsc401->dsc_mask->field_name
+#define DC_LOGGER \
+	dsc->ctx->logger
+
+
+/* API functions (external or via structure->function_pointer) */
+
+void dsc401_construct(struct dcn401_dsc *dsc,
+		struct dc_context *ctx,
+		int inst,
+		const struct dcn401_dsc_registers *dsc_regs,
+		const struct dcn401_dsc_shift *dsc_shift,
+		const struct dcn401_dsc_mask *dsc_mask)
+{
+	dsc->base.ctx = ctx;
+	dsc->base.inst = inst;
+	dsc->base.funcs = &dcn401_dsc_funcs;
+
+	dsc->dsc_regs = dsc_regs;
+	dsc->dsc_shift = dsc_shift;
+	dsc->dsc_mask = dsc_mask;
+
+	dsc->max_image_width = 5184;
+}
+
+static void dsc401_get_single_enc_caps(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz)
+{
+	dsc_enc_caps->dsc_version = 0x21; /* v1.2 - DP spec defined it in reverse order and we kept it */
+
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_1 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_2 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_3 = 1;
+	dsc_enc_caps->slice_caps.bits.NUM_SLICES_4 = 1;
+
+	dsc_enc_caps->lb_bit_depth = 13;
+	dsc_enc_caps->is_block_pred_supported = true;
+
+	dsc_enc_caps->color_formats.bits.RGB = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1;
+	dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;
+
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_10_BPC = 1;
+	dsc_enc_caps->color_depth.bits.COLOR_DEPTH_12_BPC = 1;
+	dsc_enc_caps->max_total_throughput_mps = max_dscclk_khz * 3 / 1000;
+
+	dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
+	dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
+}
+
+/* this function read dsc related register fields to be logged later in dcn10_log_hw_state
+ * into a dcn_dsc_state struct.
+ */
+void dsc401_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s)
+{
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &s->dsc_clock_en);
+	REG_GET(DSCC_PPS_CONFIG3, SLICE_WIDTH, &s->dsc_slice_width);
+	REG_GET(DSCC_PPS_CONFIG1, BITS_PER_PIXEL, &s->dsc_bits_per_pixel);
+	REG_GET(DSCC_PPS_CONFIG3, SLICE_HEIGHT, &s->dsc_slice_height);
+	REG_GET(DSCC_PPS_CONFIG1, CHUNK_SIZE, &s->dsc_chunk_size);
+	REG_GET(DSCC_PPS_CONFIG2, PIC_WIDTH, &s->dsc_pic_width);
+	REG_GET(DSCC_PPS_CONFIG2, PIC_HEIGHT, &s->dsc_pic_height);
+	REG_GET(DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, &s->dsc_slice_bpg_offset);
+	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &s->dsc_fw_en,
+		DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source);
+	REG_GET(DSCC_PPS_CONFIG1, BLOCK_PRED_ENABLE, &s->dsc_block_pred_enable);
+	REG_GET(DSCC_PPS_CONFIG0, LINEBUF_DEPTH, &s->dsc_line_buf_depth);
+	REG_GET(DSCC_PPS_CONFIG0, DSC_VERSION_MINOR, &s->dsc_version_minor);
+	REG_GET(DSCC_CONFIG1, DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, &s->dsc_rc_buffer_size);
+	REG_GET(DSCC_PPS_CONFIG0, SIMPLE_422, &s->dsc_simple_422);
+}
+
+
+bool dsc401_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg)
+{
+	struct dsc_optc_config dsc_optc_cfg;
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+	uint32_t max_image_width = (uint32_t)dsc401->max_image_width;
+
+	if (dsc_cfg->pic_width > max_image_width)
+		return false;
+
+	return dsc_prepare_config(dsc_cfg, &dsc401->reg_vals, &dsc_optc_cfg);
+}
+
+void dsc401_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+		struct dsc_optc_config *dsc_optc_cfg)
+{
+	bool is_config_ok;
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+
+	DC_LOG_DSC("Setting DSC Config at DSC inst %d", dsc->inst);
+	dsc_config_log(dsc, dsc_cfg);
+	is_config_ok = dsc_prepare_config(dsc_cfg, &dsc401->reg_vals, dsc_optc_cfg);
+	ASSERT(is_config_ok);
+	DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):");
+	dsc_log_pps(dsc, &dsc401->reg_vals.pps);
+	dsc_write_to_registers(dsc, &dsc401->reg_vals);
+}
+
+void dsc401_enable(struct display_stream_compressor *dsc, int opp_pipe)
+{
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+	uint32_t dsc_clock_en;
+	uint32_t dsc_fw_config;
+	uint32_t enabled_opp_pipe;
+
+	DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
+	REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
+	if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
+		DC_LOG_DSC("ERROR: DSC %d at opp pipe %u already enabled!", dsc->inst, enabled_opp_pipe);
+		ASSERT(0);
+	}
+
+	REG_UPDATE(DSC_TOP_CONTROL,
+		DSC_CLOCK_EN, 1);
+
+	REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 1,
+		DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
+}
+
+
+void dsc401_disable(struct display_stream_compressor *dsc)
+{
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+	uint32_t dsc_clock_en;
+
+	DC_LOG_DSC("disable DSC %d", dsc->inst);
+
+	REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
+	if (!dsc_clock_en) {
+		DC_LOG_DSC("DSC %d already disabled!", dsc->inst);
+	}
+
+	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 0);
+
+	REG_UPDATE(DSC_TOP_CONTROL,
+		DSC_CLOCK_EN, 0);
+}
+
+void dsc401_wait_disconnect_pending_clear(struct display_stream_compressor *dsc)
+{
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+
+	REG_WAIT(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN_STATUS, 0, 2, 50000);
+}
+
+void dsc401_disconnect(struct display_stream_compressor *dsc)
+{
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+
+	DC_LOG_DSC("disconnect DSC %d", dsc->inst);
+
+	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 0);
+}
+
+static void dsc_write_to_registers(struct display_stream_compressor *dsc, const struct dsc_reg_values *reg_vals)
+{
+	uint32_t temp_int;
+	struct dcn401_dsc *dsc401 = TO_DCN401_DSC(dsc);
+
+	REG_SET(DSC_DEBUG_CONTROL, 0,
+		DSC_DBG_EN, reg_vals->dsc_dbg_en);
+
+	// dsccif registers
+	REG_SET_2(DSCCIF_CONFIG0, 0,
+		//INPUT_INTERFACE_UNDERFLOW_RECOVERY_EN, reg_vals->underflow_recovery_en,
+		//INPUT_INTERFACE_UNDERFLOW_OCCURRED_INT_EN, reg_vals->underflow_occurred_int_en,
+		//INPUT_INTERFACE_UNDERFLOW_OCCURRED_STATUS, reg_vals->underflow_occurred_status,
+		INPUT_PIXEL_FORMAT, reg_vals->pixel_format,
+		DSCCIF_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
+
+	/* REG_SET_2(DSCCIF_CONFIG1, 0,
+		PIC_WIDTH, reg_vals->pps.pic_width,
+		PIC_HEIGHT, reg_vals->pps.pic_height);
+	*/
+	// dscc registers
+	if (dsc401->dsc_mask->ICH_RESET_AT_END_OF_LINE == 0) {
+		REG_SET_3(DSCC_CONFIG0, 0,
+			  NUMBER_OF_SLICES_PER_LINE, reg_vals->num_slices_h - 1,
+			  ALTERNATE_ICH_ENCODING_EN, reg_vals->alternate_ich_encoding_en,
+			  NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, reg_vals->num_slices_v - 1);
+	} else {
+		REG_SET_4(DSCC_CONFIG0, 0, ICH_RESET_AT_END_OF_LINE,
+			  reg_vals->ich_reset_at_eol, NUMBER_OF_SLICES_PER_LINE,
+			  reg_vals->num_slices_h - 1, ALTERNATE_ICH_ENCODING_EN,
+			  reg_vals->alternate_ich_encoding_en, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION,
+			  reg_vals->num_slices_v - 1);
+	}
+
+	REG_SET(DSCC_CONFIG1, 0,
+			DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size);
+	/*REG_SET_2(DSCC_CONFIG1, 0,
+		DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, reg_vals->rc_buffer_model_size,
+		DSCC_DISABLE_ICH, reg_vals->disable_ich);*/
+
+	REG_SET_4(DSCC_INTERRUPT_CONTROL0, 0,
+		DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN0, reg_vals->rc_buffer_model_overflow_int_en[0],
+		DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN1, reg_vals->rc_buffer_model_overflow_int_en[1],
+		DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN2, reg_vals->rc_buffer_model_overflow_int_en[2],
+		DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN3, reg_vals->rc_buffer_model_overflow_int_en[3]);
+
+	REG_SET_3(DSCC_PPS_CONFIG0, 0,
+		DSC_VERSION_MINOR, reg_vals->pps.dsc_version_minor,
+		LINEBUF_DEPTH, reg_vals->pps.line_buf_depth,
+		DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component);
+
+	if (reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420 || reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422)
+		temp_int = reg_vals->bpp_x32;
+	else
+		temp_int = reg_vals->bpp_x32 >> 1;
+
+	REG_SET_7(DSCC_PPS_CONFIG1, 0,
+		BITS_PER_PIXEL, temp_int,
+		SIMPLE_422, reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422,
+		CONVERT_RGB, reg_vals->pixel_format == DSC_PIXFMT_RGB,
+		BLOCK_PRED_ENABLE, reg_vals->pps.block_pred_enable,
+		NATIVE_422, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR422,
+		NATIVE_420, reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420,
+		CHUNK_SIZE, reg_vals->pps.slice_chunk_size);
+
+	REG_SET_2(DSCC_PPS_CONFIG2, 0,
+		PIC_WIDTH, reg_vals->pps.pic_width,
+		PIC_HEIGHT, reg_vals->pps.pic_height);
+
+	REG_SET_2(DSCC_PPS_CONFIG3, 0,
+		SLICE_WIDTH, reg_vals->pps.slice_width,
+		SLICE_HEIGHT, reg_vals->pps.slice_height);
+
+	REG_SET(DSCC_PPS_CONFIG4, 0,
+		INITIAL_XMIT_DELAY, reg_vals->pps.initial_xmit_delay);
+
+	REG_SET_2(DSCC_PPS_CONFIG5, 0,
+		INITIAL_SCALE_VALUE, reg_vals->pps.initial_scale_value,
+		SCALE_INCREMENT_INTERVAL, reg_vals->pps.scale_increment_interval);
+
+	REG_SET_3(DSCC_PPS_CONFIG6, 0,
+		SCALE_DECREMENT_INTERVAL, reg_vals->pps.scale_decrement_interval,
+		FIRST_LINE_BPG_OFFSET, reg_vals->pps.first_line_bpg_offset,
+		SECOND_LINE_BPG_OFFSET, reg_vals->pps.second_line_bpg_offset);
+
+	REG_SET_2(DSCC_PPS_CONFIG7, 0,
+		NFL_BPG_OFFSET, reg_vals->pps.nfl_bpg_offset,
+		SLICE_BPG_OFFSET, reg_vals->pps.slice_bpg_offset);
+
+	REG_SET_2(DSCC_PPS_CONFIG8, 0,
+		NSL_BPG_OFFSET, reg_vals->pps.nsl_bpg_offset,
+		SECOND_LINE_OFFSET_ADJ, reg_vals->pps.second_line_offset_adj);
+
+	REG_SET_2(DSCC_PPS_CONFIG9, 0,
+		INITIAL_OFFSET, reg_vals->pps.initial_offset,
+		FINAL_OFFSET, reg_vals->pps.final_offset);
+
+	REG_SET_3(DSCC_PPS_CONFIG10, 0,
+		FLATNESS_MIN_QP, reg_vals->pps.flatness_min_qp,
+		FLATNESS_MAX_QP, reg_vals->pps.flatness_max_qp,
+		RC_MODEL_SIZE, reg_vals->pps.rc_model_size);
+
+	REG_SET_5(DSCC_PPS_CONFIG11, 0,
+		RC_EDGE_FACTOR, reg_vals->pps.rc_edge_factor,
+		RC_QUANT_INCR_LIMIT0, reg_vals->pps.rc_quant_incr_limit0,
+		RC_QUANT_INCR_LIMIT1, reg_vals->pps.rc_quant_incr_limit1,
+		RC_TGT_OFFSET_LO, reg_vals->pps.rc_tgt_offset_low,
+		RC_TGT_OFFSET_HI, reg_vals->pps.rc_tgt_offset_high);
+
+	REG_SET_4(DSCC_PPS_CONFIG12, 0,
+		RC_BUF_THRESH0, reg_vals->pps.rc_buf_thresh[0],
+		RC_BUF_THRESH1, reg_vals->pps.rc_buf_thresh[1],
+		RC_BUF_THRESH2, reg_vals->pps.rc_buf_thresh[2],
+		RC_BUF_THRESH3, reg_vals->pps.rc_buf_thresh[3]);
+
+	REG_SET_4(DSCC_PPS_CONFIG13, 0,
+		RC_BUF_THRESH4, reg_vals->pps.rc_buf_thresh[4],
+		RC_BUF_THRESH5, reg_vals->pps.rc_buf_thresh[5],
+		RC_BUF_THRESH6, reg_vals->pps.rc_buf_thresh[6],
+		RC_BUF_THRESH7, reg_vals->pps.rc_buf_thresh[7]);
+
+	REG_SET_4(DSCC_PPS_CONFIG14, 0,
+		RC_BUF_THRESH8, reg_vals->pps.rc_buf_thresh[8],
+		RC_BUF_THRESH9, reg_vals->pps.rc_buf_thresh[9],
+		RC_BUF_THRESH10, reg_vals->pps.rc_buf_thresh[10],
+		RC_BUF_THRESH11, reg_vals->pps.rc_buf_thresh[11]);
+
+	REG_SET_5(DSCC_PPS_CONFIG15, 0,
+		RC_BUF_THRESH12, reg_vals->pps.rc_buf_thresh[12],
+		RC_BUF_THRESH13, reg_vals->pps.rc_buf_thresh[13],
+		RANGE_MIN_QP0, reg_vals->pps.rc_range_params[0].range_min_qp,
+		RANGE_MAX_QP0, reg_vals->pps.rc_range_params[0].range_max_qp,
+		RANGE_BPG_OFFSET0, reg_vals->pps.rc_range_params[0].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG16, 0,
+		RANGE_MIN_QP1, reg_vals->pps.rc_range_params[1].range_min_qp,
+		RANGE_MAX_QP1, reg_vals->pps.rc_range_params[1].range_max_qp,
+		RANGE_BPG_OFFSET1, reg_vals->pps.rc_range_params[1].range_bpg_offset,
+		RANGE_MIN_QP2, reg_vals->pps.rc_range_params[2].range_min_qp,
+		RANGE_MAX_QP2, reg_vals->pps.rc_range_params[2].range_max_qp,
+		RANGE_BPG_OFFSET2, reg_vals->pps.rc_range_params[2].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG17, 0,
+		RANGE_MIN_QP3, reg_vals->pps.rc_range_params[3].range_min_qp,
+		RANGE_MAX_QP3, reg_vals->pps.rc_range_params[3].range_max_qp,
+		RANGE_BPG_OFFSET3, reg_vals->pps.rc_range_params[3].range_bpg_offset,
+		RANGE_MIN_QP4, reg_vals->pps.rc_range_params[4].range_min_qp,
+		RANGE_MAX_QP4, reg_vals->pps.rc_range_params[4].range_max_qp,
+		RANGE_BPG_OFFSET4, reg_vals->pps.rc_range_params[4].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG18, 0,
+		RANGE_MIN_QP5, reg_vals->pps.rc_range_params[5].range_min_qp,
+		RANGE_MAX_QP5, reg_vals->pps.rc_range_params[5].range_max_qp,
+		RANGE_BPG_OFFSET5, reg_vals->pps.rc_range_params[5].range_bpg_offset,
+		RANGE_MIN_QP6, reg_vals->pps.rc_range_params[6].range_min_qp,
+		RANGE_MAX_QP6, reg_vals->pps.rc_range_params[6].range_max_qp,
+		RANGE_BPG_OFFSET6, reg_vals->pps.rc_range_params[6].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG19, 0,
+		RANGE_MIN_QP7, reg_vals->pps.rc_range_params[7].range_min_qp,
+		RANGE_MAX_QP7, reg_vals->pps.rc_range_params[7].range_max_qp,
+		RANGE_BPG_OFFSET7, reg_vals->pps.rc_range_params[7].range_bpg_offset,
+		RANGE_MIN_QP8, reg_vals->pps.rc_range_params[8].range_min_qp,
+		RANGE_MAX_QP8, reg_vals->pps.rc_range_params[8].range_max_qp,
+		RANGE_BPG_OFFSET8, reg_vals->pps.rc_range_params[8].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG20, 0,
+		RANGE_MIN_QP9, reg_vals->pps.rc_range_params[9].range_min_qp,
+		RANGE_MAX_QP9, reg_vals->pps.rc_range_params[9].range_max_qp,
+		RANGE_BPG_OFFSET9, reg_vals->pps.rc_range_params[9].range_bpg_offset,
+		RANGE_MIN_QP10, reg_vals->pps.rc_range_params[10].range_min_qp,
+		RANGE_MAX_QP10, reg_vals->pps.rc_range_params[10].range_max_qp,
+		RANGE_BPG_OFFSET10, reg_vals->pps.rc_range_params[10].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG21, 0,
+		RANGE_MIN_QP11, reg_vals->pps.rc_range_params[11].range_min_qp,
+		RANGE_MAX_QP11, reg_vals->pps.rc_range_params[11].range_max_qp,
+		RANGE_BPG_OFFSET11, reg_vals->pps.rc_range_params[11].range_bpg_offset,
+		RANGE_MIN_QP12, reg_vals->pps.rc_range_params[12].range_min_qp,
+		RANGE_MAX_QP12, reg_vals->pps.rc_range_params[12].range_max_qp,
+		RANGE_BPG_OFFSET12, reg_vals->pps.rc_range_params[12].range_bpg_offset);
+
+	REG_SET_6(DSCC_PPS_CONFIG22, 0,
+		RANGE_MIN_QP13, reg_vals->pps.rc_range_params[13].range_min_qp,
+		RANGE_MAX_QP13, reg_vals->pps.rc_range_params[13].range_max_qp,
+		RANGE_BPG_OFFSET13, reg_vals->pps.rc_range_params[13].range_bpg_offset,
+		RANGE_MIN_QP14, reg_vals->pps.rc_range_params[14].range_min_qp,
+		RANGE_MAX_QP14, reg_vals->pps.rc_range_params[14].range_max_qp,
+		RANGE_BPG_OFFSET14, reg_vals->pps.rc_range_params[14].range_bpg_offset);
+}
+
+void dsc401_set_fgcg(struct dcn401_dsc *dsc401, bool enable)
+{
+	REG_UPDATE(DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, !enable);
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dcn401/dcn401_dsc.h

@@ -0,0 +1,346 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2024 Advanced Micro Devices, Inc.
+
+#ifndef __DCN401_DSC_H__
+#define __DCN401_DSC_H__
+
+#include "dsc.h"
+#include "dsc/dscc_types.h"
+#include "dcn20/dcn20_dsc.h"
+#include <drm/display/drm_dsc.h>
+
+#define TO_DCN401_DSC(dsc)\
+	container_of(dsc, struct dcn401_dsc, base)
+
+#define DSC_REG_LIST_SH_MASK_DCN401(mask_sh)\
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_CLOCK_EN, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_DISPCLK_R_GATE_DIS, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_DSCCLK_R_GATE_DIS, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_DEBUG_CONTROL, DSC_DBG_EN, mask_sh), \
+	DSC_SF(DSC_TOP0_DSC_DEBUG_CONTROL, DSC_TEST_CLOCK_MUX_SEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, ICH_RESET_AT_END_OF_LINE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, NUMBER_OF_SLICES_PER_LINE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, ALTERNATE_ICH_ENCODING_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG0, NUMBER_OF_SLICES_IN_VERTICAL_DIRECTION, mask_sh), \
+	DSC_SF(DSCC0_DSCC_CONFIG1, DSCC_RATE_CONTROL_BUFFER_MODEL_SIZE, mask_sh), \
+	/*DSC_SF(DSCC0_DSCC_CONFIG1, DSCC_DISABLE_ICH, mask_sh),*/ \
+	DSC_SF(DSCC0_DSCC_STATUS, DSCC_DOUBLE_BUFFER_REG_UPDATE_PENDING, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL0, DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_END_OF_FRAME_NOT_REACHED_OCCURRED, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_STATUS1, DSCC_END_OF_FRAME_NOT_REACHED_CLEAR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_INTERRUPT_CONTROL1, DSCC_END_OF_FRAME_NOT_REACHED_OCCURRED_INT_EN, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, DSC_VERSION_MINOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, DSC_VERSION_MAJOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, PPS_IDENTIFIER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG0, LINEBUF_DEPTH, mask_sh), \
+	DSC2_SF(DSCC0, DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, BITS_PER_PIXEL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, VBR_ENABLE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, SIMPLE_422, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, CONVERT_RGB, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, BLOCK_PRED_ENABLE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, NATIVE_422, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, NATIVE_420, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG1, CHUNK_SIZE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG2, PIC_WIDTH, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG2, PIC_HEIGHT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG3, SLICE_WIDTH, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG3, SLICE_HEIGHT, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG4, INITIAL_XMIT_DELAY, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG4, INITIAL_DEC_DELAY, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG5, INITIAL_SCALE_VALUE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG5, SCALE_INCREMENT_INTERVAL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, SCALE_DECREMENT_INTERVAL, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, FIRST_LINE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG6, SECOND_LINE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG7, NFL_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG8, NSL_BPG_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG8, SECOND_LINE_OFFSET_ADJ, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG9, INITIAL_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG9, FINAL_OFFSET, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, FLATNESS_MIN_QP, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, FLATNESS_MAX_QP, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG10, RC_MODEL_SIZE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_EDGE_FACTOR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_QUANT_INCR_LIMIT0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_QUANT_INCR_LIMIT1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_TGT_OFFSET_LO, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG11, RC_TGT_OFFSET_HI, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG12, RC_BUF_THRESH3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG13, RC_BUF_THRESH7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG14, RC_BUF_THRESH11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RC_BUF_THRESH12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RC_BUF_THRESH13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_MIN_QP0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_MAX_QP0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG15, RANGE_BPG_OFFSET0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MIN_QP1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MAX_QP1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_BPG_OFFSET1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MIN_QP2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_MAX_QP2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG16, RANGE_BPG_OFFSET2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MIN_QP3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MAX_QP3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_BPG_OFFSET3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MIN_QP4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_MAX_QP4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG17, RANGE_BPG_OFFSET4, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MIN_QP5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MAX_QP5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_BPG_OFFSET5, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MIN_QP6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_MAX_QP6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG18, RANGE_BPG_OFFSET6, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MIN_QP7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MAX_QP7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_BPG_OFFSET7, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MIN_QP8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_MAX_QP8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG19, RANGE_BPG_OFFSET8, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MIN_QP9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MAX_QP9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_BPG_OFFSET9, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MIN_QP10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_MAX_QP10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG20, RANGE_BPG_OFFSET10, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MIN_QP11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MAX_QP11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_BPG_OFFSET11, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MIN_QP12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_MAX_QP12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG21, RANGE_BPG_OFFSET12, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MIN_QP13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MAX_QP13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_BPG_OFFSET13, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MIN_QP14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MAX_QP14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_BPG_OFFSET14, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_DEFAULT_MEM_LOW_POWER_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_FORCE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_DIS, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_DEFAULT_MEM_LOW_POWER_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_MEM_PWR_FORCE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_MEM_PWR_DIS, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_MEM_PWR_STATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_R_Y_SQUARED_ERROR_LOWER, DSCC_R_Y_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_R_Y_SQUARED_ERROR_UPPER, DSCC_R_Y_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_G_CB_SQUARED_ERROR_LOWER, DSCC_G_CB_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_G_CB_SQUARED_ERROR_UPPER, DSCC_G_CB_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_B_CR_SQUARED_ERROR_LOWER, DSCC_B_CR_SQUARED_ERROR_LOWER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_B_CR_SQUARED_ERROR_UPPER, DSCC_B_CR_SQUARED_ERROR_UPPER, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR0, DSCC_R_Y_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR0, DSCC_G_CB_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_MAX_ABS_ERROR1, DSCC_B_CR_MAX_ABS_ERROR, mask_sh), \
+	DSC_SF(DSCC0_DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL0, DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL1, DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL2, DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL3, DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL0, DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL0, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL1, DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL1, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL2, DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL2, mask_sh), \
+	DSC_SF(DSCC0_DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL3, DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL3, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS0_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS1_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS2_ROTATE, mask_sh), \
+	DSC_SF(DSCC0_DSCC_TEST_DEBUG_BUS_ROTATE, DSCC_TEST_DEBUG_BUS3_ROTATE, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, INPUT_PIXEL_FORMAT, mask_sh), \
+	DSC2_SF(DSCCIF0, DSCCIF_CONFIG0__BITS_PER_COMPONENT, mask_sh), \
+	DSC_SF(DSCCIF0_DSCCIF_CONFIG0, DOUBLE_BUFFER_REG_UPDATE_PENDING, mask_sh), \
+	DSC_SF(DSCRM0_DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, mask_sh), \
+	DSC_SF(DSCRM0_DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_OPP_PIPE_SOURCE, mask_sh), \
+	DSC_SF(DSCRM0_DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN_STATUS, mask_sh)
+
+struct dcn401_dsc_registers {
+	uint32_t DSC_TOP_CONTROL;
+	uint32_t DSC_DEBUG_CONTROL;
+	uint32_t DSCC_CONFIG0;
+	uint32_t DSCC_CONFIG1;
+	uint32_t DSCC_STATUS;
+	uint32_t DSCC_INTERRUPT_CONTROL0;
+	uint32_t DSCC_INTERRUPT_CONTROL1;
+	uint32_t DSCC_INTERRUPT_STATUS0;
+	uint32_t DSCC_INTERRUPT_STATUS1;
+	uint32_t DSCC_PPS_CONFIG0;
+	uint32_t DSCC_PPS_CONFIG1;
+	uint32_t DSCC_PPS_CONFIG2;
+	uint32_t DSCC_PPS_CONFIG3;
+	uint32_t DSCC_PPS_CONFIG4;
+	uint32_t DSCC_PPS_CONFIG5;
+	uint32_t DSCC_PPS_CONFIG6;
+	uint32_t DSCC_PPS_CONFIG7;
+	uint32_t DSCC_PPS_CONFIG8;
+	uint32_t DSCC_PPS_CONFIG9;
+	uint32_t DSCC_PPS_CONFIG10;
+	uint32_t DSCC_PPS_CONFIG11;
+	uint32_t DSCC_PPS_CONFIG12;
+	uint32_t DSCC_PPS_CONFIG13;
+	uint32_t DSCC_PPS_CONFIG14;
+	uint32_t DSCC_PPS_CONFIG15;
+	uint32_t DSCC_PPS_CONFIG16;
+	uint32_t DSCC_PPS_CONFIG17;
+	uint32_t DSCC_PPS_CONFIG18;
+	uint32_t DSCC_PPS_CONFIG19;
+	uint32_t DSCC_PPS_CONFIG20;
+	uint32_t DSCC_PPS_CONFIG21;
+	uint32_t DSCC_PPS_CONFIG22;
+	uint32_t DSCC_MEM_POWER_CONTROL0;
+	uint32_t DSCC_MEM_POWER_CONTROL1;
+	uint32_t DSCC_R_Y_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_R_Y_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_G_CB_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_G_CB_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_B_CR_SQUARED_ERROR_LOWER;
+	uint32_t DSCC_B_CR_SQUARED_ERROR_UPPER;
+	uint32_t DSCC_MAX_ABS_ERROR0;
+	uint32_t DSCC_MAX_ABS_ERROR1;
+	uint32_t DSCC_TEST_DEBUG_BUS_ROTATE;
+	uint32_t DSCCIF_CONFIG0;
+	uint32_t DSCRM_DSC_FORWARD_CONFIG;
+	uint32_t DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL0;
+	uint32_t DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL1;
+	uint32_t DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL2;
+	uint32_t DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL3;
+	uint32_t DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL0;
+	uint32_t DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL1;
+	uint32_t DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL2;
+	uint32_t DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL3;
+};
+
+#define DSC_FIELD_LIST_DCN401(type)\
+	DSC_FIELD_LIST_DCN20(type); \
+	type DSC_FGCG_REP_DIS; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN0; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN1; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN2; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED_INT_EN3; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED0; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED1; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED2; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED3; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED0; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED1; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED2; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED3; \
+	type DSCC_END_OF_FRAME_NOT_REACHED_OCCURRED; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR0; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR1; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR2; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_CLEAR3; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR0; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR1; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR2; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_CLEAR3; \
+	type DSCC_END_OF_FRAME_NOT_REACHED_CLEAR; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED0; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED1; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED2; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_OCCURRED3; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR0; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR1; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR2; \
+	type DSCC_RATE_CONTROL_BUFFER_MODEL_OVERFLOW_CLEAR3; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN0; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN1; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN2; \
+	type DSCC_OUTPUT_BUFFER_OVERFLOW_OCCURRED_INT_EN3; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN0; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN1; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN2; \
+	type DSCC_OUTPUT_BUFFER_UNDERFLOW_OCCURRED_INT_EN3; \
+	type DSCC_END_OF_FRAME_NOT_REACHED_OCCURRED_INT_EN; \
+	type DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL0; \
+	type DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL1; \
+	type DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL2; \
+	type DSCC_OUTPUT_BUFFER_MAX_FULLNESS_LEVEL3; \
+	type DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL0; \
+	type DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL1; \
+	type DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL2; \
+	type DSCC_RATE_BUFFER_MODEL_MAX_FULLNESS_LEVEL3
+
+struct dcn401_dsc_shift {
+	DSC_FIELD_LIST_DCN401(uint8_t);
+};
+
+struct dcn401_dsc_mask {
+	DSC_FIELD_LIST_DCN401(uint32_t);
+};
+
+struct dcn401_dsc {
+	struct display_stream_compressor base;
+	const struct dcn401_dsc_registers *dsc_regs;
+	const struct dcn401_dsc_shift *dsc_shift;
+	const struct dcn401_dsc_mask *dsc_mask;
+
+	struct dsc_reg_values reg_vals;
+
+	int max_image_width;
+};
+
+void dsc401_construct(struct dcn401_dsc *dsc,
+		struct dc_context *ctx,
+		int inst,
+		const struct dcn401_dsc_registers *dsc_regs,
+		const struct dcn401_dsc_shift *dsc_shift,
+		const struct dcn401_dsc_mask *dsc_mask);
+
+void dsc401_set_fgcg(struct dcn401_dsc *dsc401, bool enable);
+
+void dsc401_read_state(struct display_stream_compressor *dsc, struct dcn_dsc_state *s);
+bool dsc401_validate_stream(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg);
+void dsc401_set_config(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+		struct dsc_optc_config *dsc_optc_cfg);
+void dsc401_enable(struct display_stream_compressor *dsc, int opp_pipe);
+void dsc401_disable(struct display_stream_compressor *dsc);
+void dsc401_disconnect(struct display_stream_compressor *dsc);
+void dsc401_wait_disconnect_pending_clear(struct display_stream_compressor *dsc);
+#endif
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dsc.h

@@ -0,0 +1,131 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DAL_DSC_H__
+#define __DAL_DSC_H__
+
+#include "dc_dsc.h"
+#include "dc_hw_types.h"
+#include "dc_types.h"
+/* do not include any other headers
+ * or else it might break Edid Utility functionality.
+ */
+
+
+/* Input parameters for configuring DSC from the outside of DSC */
+struct dsc_config {
+	uint32_t pic_width;
+	uint32_t pic_height;
+	enum dc_pixel_encoding pixel_encoding;
+	enum dc_color_depth color_depth;  /* Bits per component */
+	bool is_odm;
+	struct dc_dsc_config dc_dsc_cfg;
+	uint32_t dsc_padding;
+};
+
+
+/* Output parameters for configuring DSC-related part of OPTC */
+struct dsc_optc_config {
+	uint32_t slice_width; /* Slice width in pixels */
+	uint32_t bytes_per_pixel; /* Bytes per pixel in u3.28 format */
+	bool is_pixel_format_444; /* 'true' if pixel format is 'RGB 444' or 'Simple YCbCr 4:2:2' (4:2:2 upsampled to 4:4:4)' */
+};
+
+
+struct dcn_dsc_state {
+	uint32_t dsc_clock_en;
+	uint32_t dsc_slice_width;
+	uint32_t dsc_bits_per_pixel;
+	uint32_t dsc_slice_height;
+	uint32_t dsc_pic_width;
+	uint32_t dsc_pic_height;
+	uint32_t dsc_slice_bpg_offset;
+	uint32_t dsc_chunk_size;
+	uint32_t dsc_fw_en;
+	uint32_t dsc_opp_source;
+	uint32_t dsc_block_pred_enable;
+	uint32_t dsc_line_buf_depth;
+	uint32_t dsc_version_minor;
+	uint32_t dsc_rc_buffer_size;
+	uint32_t dsc_simple_422;
+};
+
+struct dcn_dsc_reg_state {
+	uint32_t dsc_top_control;
+	uint32_t dscc_interrupt_control_status;
+};
+
+/* DSC encoder capabilities
+ * They differ from the DPCD DSC caps because they are based on AMD DSC encoder caps.
+ */
+union dsc_enc_slice_caps {
+	struct {
+		uint8_t NUM_SLICES_1 : 1;
+		uint8_t NUM_SLICES_2 : 1;
+		uint8_t NUM_SLICES_3 : 1; /* This one is not per DSC spec, but our encoder supports it */
+		uint8_t NUM_SLICES_4 : 1;
+		uint8_t NUM_SLICES_8 : 1;
+		uint8_t NUM_SLICES_12 : 1;
+		uint8_t NUM_SLICES_16 : 1;
+	} bits;
+	uint8_t raw;
+};
+
+struct dsc_enc_caps {
+	uint8_t dsc_version;
+	union dsc_enc_slice_caps slice_caps;
+	int32_t lb_bit_depth;
+	bool is_block_pred_supported;
+	union dsc_color_formats color_formats;
+	union dsc_color_depth color_depth;
+	int32_t max_total_throughput_mps; /* Maximum total throughput with all the slices combined */
+	int32_t max_slice_width;
+	uint32_t bpp_increment_div; /* bpp increment divisor, e.g. if 16, it's 1/16th of a bit */
+	bool is_frl;
+	bool is_vic_all_bpp;
+	uint32_t total_chunk_kbytes;
+	uint32_t num_lanes;
+	uint32_t frl_rate;
+	uint32_t edp_sink_max_bits_per_pixel;
+	bool is_dp;
+};
+
+struct dsc_funcs {
+	void (*dsc_get_enc_caps)(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz);
+	void (*dsc_read_state)(struct display_stream_compressor *dsc, struct dcn_dsc_state *s);
+	void (*dsc_read_reg_state)(struct display_stream_compressor *dsc, struct dcn_dsc_reg_state *dccg_reg_state);
+	bool (*dsc_validate_stream)(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg);
+	void (*dsc_set_config)(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+			struct dsc_optc_config *dsc_optc_cfg);
+	bool (*dsc_get_packed_pps)(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg,
+			uint8_t *dsc_packed_pps);
+	void (*dsc_enable)(struct display_stream_compressor *dsc, int opp_pipe);
+	void (*dsc_disable)(struct display_stream_compressor *dsc);
+	void (*dsc_disconnect)(struct display_stream_compressor *dsc);
+	void (*dsc_wait_disconnect_pending_clear)(struct display_stream_compressor *dsc);
+	void (*dsc_get_single_enc_caps)(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz);
+	void (*set_fgcg)(struct display_stream_compressor *dsc, bool enable);
+};
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h

@@ -0,0 +1,55 @@
+
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DSCC_TYPES_H__
+#define __DSCC_TYPES_H__
+
+#include <drm/display/drm_dsc.h>
+
+#ifndef NUM_BUF_RANGES
+#define NUM_BUF_RANGES 15
+#endif
+
+struct dsc_pps_rc_range {
+	int range_min_qp;
+	int range_max_qp;
+	int range_bpg_offset;
+};
+
+struct dsc_parameters {
+	struct drm_dsc_config pps;
+
+	/* Additional parameters for register programming */
+	uint32_t bytes_per_pixel; /* In u3.28 format */
+	uint32_t rc_buffer_model_size;
+};
+
+struct rc_params;
+
+int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps,
+		const struct rc_params *rc,
+		struct dsc_parameters *dsc_params);
+#endif
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.c

@@ -0,0 +1,64 @@
+
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "rc_calc.h"
+
+/**
+ * calc_rc_params - reads the user's cmdline mode
+ * @rc: DC internal DSC parameters
+ * @pps: DRM struct with all required DSC values
+ *
+ * This function expects a drm_dsc_config data struct with all the required DSC
+ * values previously filled out by our driver and based on this information it
+ * computes some of the DSC values.
+ *
+ * @note This calculation requires float point operation, most of it executes
+ * under kernel_fpu_{begin,end}.
+ */
+void calc_rc_params(struct rc_params *rc, const struct drm_dsc_config *pps)
+{
+#if defined(CONFIG_DRM_AMD_DC_FP)
+	enum colour_mode mode;
+	enum bits_per_comp bpc;
+	bool is_navite_422_or_420;
+	u16 drm_bpp = pps->bits_per_pixel;
+	int slice_width  = pps->slice_width;
+	int slice_height = pps->slice_height;
+
+	mode = pps->convert_rgb ? CM_RGB : (pps->simple_422  ? CM_444 :
+					   (pps->native_422  ? CM_422 :
+					    pps->native_420  ? CM_420 : CM_444));
+	bpc = (pps->bits_per_component == 8) ? BPC_8 : (pps->bits_per_component == 10)
+					     ? BPC_10 : BPC_12;
+
+	is_navite_422_or_420 = pps->native_422 || pps->native_420;
+
+	DC_FP_START();
+	_do_calc_rc_params(rc, mode, bpc, drm_bpp, is_navite_422_or_420,
+			   slice_width, slice_height,
+			   pps->dsc_version_minor);
+	DC_FP_END();
+#endif
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/rc_calc.h

@@ -0,0 +1,35 @@
+
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __RC_CALC_H__
+#define __RC_CALC_H__
+
+#include "dml/dsc/rc_calc_fpu.h"
+
+void calc_rc_params(struct rc_params *rc, const struct drm_dsc_config *pps);
+
+#endif
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c

@@ -0,0 +1,123 @@
+/*
+ * Copyright 2012-17 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include <drm/display/drm_dsc_helper.h>
+#include "dscc_types.h"
+#include "rc_calc.h"
+
+static void copy_pps_fields(struct drm_dsc_config *to, const struct drm_dsc_config *from)
+{
+	to->line_buf_depth           = from->line_buf_depth;
+	to->bits_per_component       = from->bits_per_component;
+	to->convert_rgb              = from->convert_rgb;
+	to->slice_width              = from->slice_width;
+	to->slice_height             = from->slice_height;
+	to->simple_422               = from->simple_422;
+	to->native_422               = from->native_422;
+	to->native_420               = from->native_420;
+	to->pic_width                = from->pic_width;
+	to->pic_height               = from->pic_height;
+	to->rc_tgt_offset_high       = from->rc_tgt_offset_high;
+	to->rc_tgt_offset_low        = from->rc_tgt_offset_low;
+	to->bits_per_pixel           = from->bits_per_pixel;
+	to->rc_edge_factor           = from->rc_edge_factor;
+	to->rc_quant_incr_limit1     = from->rc_quant_incr_limit1;
+	to->rc_quant_incr_limit0     = from->rc_quant_incr_limit0;
+	to->initial_xmit_delay       = from->initial_xmit_delay;
+	to->initial_dec_delay        = from->initial_dec_delay;
+	to->block_pred_enable        = from->block_pred_enable;
+	to->first_line_bpg_offset    = from->first_line_bpg_offset;
+	to->second_line_bpg_offset   = from->second_line_bpg_offset;
+	to->initial_offset           = from->initial_offset;
+	memcpy(&to->rc_buf_thresh, &from->rc_buf_thresh, sizeof(from->rc_buf_thresh));
+	memcpy(&to->rc_range_params, &from->rc_range_params, sizeof(from->rc_range_params));
+	to->rc_model_size            = from->rc_model_size;
+	to->flatness_min_qp          = from->flatness_min_qp;
+	to->flatness_max_qp          = from->flatness_max_qp;
+	to->initial_scale_value      = from->initial_scale_value;
+	to->scale_decrement_interval = from->scale_decrement_interval;
+	to->scale_increment_interval = from->scale_increment_interval;
+	to->nfl_bpg_offset           = from->nfl_bpg_offset;
+	to->nsl_bpg_offset           = from->nsl_bpg_offset;
+	to->slice_bpg_offset         = from->slice_bpg_offset;
+	to->final_offset             = from->final_offset;
+	to->vbr_enable               = from->vbr_enable;
+	to->slice_chunk_size         = from->slice_chunk_size;
+	to->second_line_offset_adj   = from->second_line_offset_adj;
+	to->dsc_version_minor        = from->dsc_version_minor;
+}
+
+static void copy_rc_to_cfg(struct drm_dsc_config *dsc_cfg, const struct rc_params *rc)
+{
+	int i;
+
+	dsc_cfg->rc_quant_incr_limit0   = (u8)rc->rc_quant_incr_limit0;
+	dsc_cfg->rc_quant_incr_limit1   = (u8)rc->rc_quant_incr_limit1;
+	dsc_cfg->initial_offset         = (u16)rc->initial_fullness_offset;
+	dsc_cfg->initial_xmit_delay     = (u16)rc->initial_xmit_delay;
+	dsc_cfg->first_line_bpg_offset  = (u8)rc->first_line_bpg_offset;
+	dsc_cfg->second_line_bpg_offset = (u8)rc->second_line_bpg_offset;
+	dsc_cfg->flatness_min_qp        = (u8)rc->flatness_min_qp;
+	dsc_cfg->flatness_max_qp        = (u8)rc->flatness_max_qp;
+	for (i = 0; i < QP_SET_SIZE; ++i) {
+		dsc_cfg->rc_range_params[i].range_min_qp     = (u8)rc->qp_min[i];
+		dsc_cfg->rc_range_params[i].range_max_qp     = (u8)rc->qp_max[i];
+		/* Truncate 8-bit signed value to 6-bit signed value */
+		dsc_cfg->rc_range_params[i].range_bpg_offset = 0x3f & rc->ofs[i];
+	}
+	dsc_cfg->rc_model_size    = (u16)rc->rc_model_size;
+	dsc_cfg->rc_edge_factor   = (u8)rc->rc_edge_factor;
+	dsc_cfg->rc_tgt_offset_high = (u8)rc->rc_tgt_offset_hi;
+	dsc_cfg->rc_tgt_offset_low = (u8)rc->rc_tgt_offset_lo;
+
+	for (i = 0; i < QP_SET_SIZE - 1; ++i)
+		dsc_cfg->rc_buf_thresh[i] = (u16)rc->rc_buf_thresh[i];
+}
+
+int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps,
+		const struct rc_params *rc,
+		struct dsc_parameters *dsc_params)
+{
+	int              ret;
+	struct drm_dsc_config   dsc_cfg;
+
+	dsc_params->pps = *pps;
+	dsc_params->pps.initial_scale_value = (u8)(8 * rc->rc_model_size /
+			(rc->rc_model_size - rc->initial_fullness_offset));
+
+	copy_pps_fields(&dsc_cfg, &dsc_params->pps);
+	copy_rc_to_cfg(&dsc_cfg, rc);
+
+	dsc_cfg.mux_word_size = dsc_params->pps.bits_per_component <= 10 ? 48 : 64;
+
+	ret = drm_dsc_compute_rc_parameters(&dsc_cfg);
+	dsc_params->bytes_per_pixel =
+			(uint32_t)(div_u64(((uint64_t)dsc_cfg.slice_chunk_size * 0x10000000 + (dsc_cfg.slice_width - 1)),
+							(uint32_t)dsc_cfg.slice_width));  /* Round-up */
+
+	copy_pps_fields(&dsc_params->pps, &dsc_cfg);
+	dsc_params->rc_buffer_model_size = dsc_cfg.rc_bits;
+	return ret;
+}
+