1217 lines
38 KiB
C
1217 lines
38 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2018 Intel Corporation
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*
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* Author: Gaurav K Singh <gaurav.k.singh@intel.com>
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* Manasi Navare <manasi.d.navare@intel.com>
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*/
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#include <linux/limits.h>
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#include <drm/display/drm_dsc_helper.h>
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#include "i915_drv.h"
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#include "i915_reg.h"
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#include "intel_crtc.h"
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#include "intel_de.h"
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#include "intel_display_types.h"
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#include "intel_dsi.h"
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#include "intel_qp_tables.h"
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#include "intel_vdsc.h"
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enum ROW_INDEX_BPP {
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ROW_INDEX_6BPP = 0,
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ROW_INDEX_8BPP,
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ROW_INDEX_10BPP,
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ROW_INDEX_12BPP,
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ROW_INDEX_15BPP,
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MAX_ROW_INDEX
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};
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enum COLUMN_INDEX_BPC {
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COLUMN_INDEX_8BPC = 0,
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COLUMN_INDEX_10BPC,
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COLUMN_INDEX_12BPC,
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COLUMN_INDEX_14BPC,
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COLUMN_INDEX_16BPC,
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MAX_COLUMN_INDEX
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};
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/* From DSC_v1.11 spec, rc_parameter_Set syntax element typically constant */
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static const u16 rc_buf_thresh[] = {
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896, 1792, 2688, 3584, 4480, 5376, 6272, 6720, 7168, 7616,
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7744, 7872, 8000, 8064
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};
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struct rc_parameters {
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u16 initial_xmit_delay;
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u8 first_line_bpg_offset;
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u16 initial_offset;
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u8 flatness_min_qp;
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u8 flatness_max_qp;
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u8 rc_quant_incr_limit0;
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u8 rc_quant_incr_limit1;
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struct drm_dsc_rc_range_parameters rc_range_params[DSC_NUM_BUF_RANGES];
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};
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/*
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* Selected Rate Control Related Parameter Recommended Values
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* from DSC_v1.11 spec & C Model release: DSC_model_20161212
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*/
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static const struct rc_parameters rc_parameters[][MAX_COLUMN_INDEX] = {
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{
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/* 6BPP/8BPC */
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{ 768, 15, 6144, 3, 13, 11, 11, {
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{ 0, 4, 0 }, { 1, 6, -2 }, { 3, 8, -2 }, { 4, 8, -4 },
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{ 5, 9, -6 }, { 5, 9, -6 }, { 6, 9, -6 }, { 6, 10, -8 },
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{ 7, 11, -8 }, { 8, 12, -10 }, { 9, 12, -10 }, { 10, 12, -12 },
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{ 10, 12, -12 }, { 11, 12, -12 }, { 13, 14, -12 }
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}
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},
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/* 6BPP/10BPC */
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{ 768, 15, 6144, 7, 17, 15, 15, {
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{ 0, 8, 0 }, { 3, 10, -2 }, { 7, 12, -2 }, { 8, 12, -4 },
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{ 9, 13, -6 }, { 9, 13, -6 }, { 10, 13, -6 }, { 10, 14, -8 },
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{ 11, 15, -8 }, { 12, 16, -10 }, { 13, 16, -10 },
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{ 14, 16, -12 }, { 14, 16, -12 }, { 15, 16, -12 },
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{ 17, 18, -12 }
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}
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},
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/* 6BPP/12BPC */
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{ 768, 15, 6144, 11, 21, 19, 19, {
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{ 0, 12, 0 }, { 5, 14, -2 }, { 11, 16, -2 }, { 12, 16, -4 },
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{ 13, 17, -6 }, { 13, 17, -6 }, { 14, 17, -6 }, { 14, 18, -8 },
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{ 15, 19, -8 }, { 16, 20, -10 }, { 17, 20, -10 },
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{ 18, 20, -12 }, { 18, 20, -12 }, { 19, 20, -12 },
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{ 21, 22, -12 }
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}
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},
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/* 6BPP/14BPC */
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{ 768, 15, 6144, 15, 25, 23, 27, {
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{ 0, 16, 0 }, { 7, 18, -2 }, { 15, 20, -2 }, { 16, 20, -4 },
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{ 17, 21, -6 }, { 17, 21, -6 }, { 18, 21, -6 }, { 18, 22, -8 },
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{ 19, 23, -8 }, { 20, 24, -10 }, { 21, 24, -10 },
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{ 22, 24, -12 }, { 22, 24, -12 }, { 23, 24, -12 },
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{ 25, 26, -12 }
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}
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},
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/* 6BPP/16BPC */
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{ 768, 15, 6144, 19, 29, 27, 27, {
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{ 0, 20, 0 }, { 9, 22, -2 }, { 19, 24, -2 }, { 20, 24, -4 },
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{ 21, 25, -6 }, { 21, 25, -6 }, { 22, 25, -6 }, { 22, 26, -8 },
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{ 23, 27, -8 }, { 24, 28, -10 }, { 25, 28, -10 },
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{ 26, 28, -12 }, { 26, 28, -12 }, { 27, 28, -12 },
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{ 29, 30, -12 }
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}
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},
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},
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{
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/* 8BPP/8BPC */
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{ 512, 12, 6144, 3, 12, 11, 11, {
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{ 0, 4, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 },
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{ 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 },
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{ 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 }, { 5, 12, -12 },
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{ 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 }
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}
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},
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/* 8BPP/10BPC */
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{ 512, 12, 6144, 7, 16, 15, 15, {
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{ 0, 4, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 5, 10, -2 },
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{ 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 },
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{ 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 },
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{ 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 }
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}
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},
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/* 8BPP/12BPC */
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{ 512, 12, 6144, 11, 20, 19, 19, {
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{ 0, 12, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 9, 14, -2 },
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{ 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 },
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{ 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 },
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{ 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 },
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{ 21, 23, -12 }
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}
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},
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/* 8BPP/14BPC */
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{ 512, 12, 6144, 15, 24, 23, 23, {
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{ 0, 12, 0 }, { 5, 13, 0 }, { 11, 15, 0 }, { 12, 17, -2 },
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{ 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 },
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{ 15, 21, -8 }, { 15, 22, -10 }, { 17, 22, -10 },
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{ 17, 23, -12 }, { 17, 23, -12 }, { 21, 24, -12 },
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{ 24, 25, -12 }
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}
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},
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/* 8BPP/16BPC */
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{ 512, 12, 6144, 19, 28, 27, 27, {
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{ 0, 12, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 15, 20, -2 },
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{ 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 },
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{ 19, 25, -8 }, { 19, 26, -10 }, { 21, 26, -10 },
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{ 21, 27, -12 }, { 21, 27, -12 }, { 25, 28, -12 },
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{ 28, 29, -12 }
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}
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},
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},
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{
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/* 10BPP/8BPC */
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{ 410, 15, 5632, 3, 12, 11, 11, {
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{ 0, 3, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 2, 6, -2 },
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{ 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 },
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{ 3, 9, -8 }, { 3, 9, -10 }, { 5, 10, -10 }, { 5, 10, -10 },
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{ 5, 11, -12 }, { 7, 11, -12 }, { 11, 12, -12 }
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}
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},
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/* 10BPP/10BPC */
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{ 410, 15, 5632, 7, 16, 15, 15, {
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{ 0, 7, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 6, 10, -2 },
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{ 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 },
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{ 7, 13, -8 }, { 7, 13, -10 }, { 9, 14, -10 }, { 9, 14, -10 },
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{ 9, 15, -12 }, { 11, 15, -12 }, { 15, 16, -12 }
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}
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},
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/* 10BPP/12BPC */
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{ 410, 15, 5632, 11, 20, 19, 19, {
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{ 0, 11, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 10, 14, -2 },
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{ 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 },
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{ 11, 17, -8 }, { 11, 17, -10 }, { 13, 18, -10 },
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{ 13, 18, -10 }, { 13, 19, -12 }, { 15, 19, -12 },
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{ 19, 20, -12 }
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}
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},
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/* 10BPP/14BPC */
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{ 410, 15, 5632, 15, 24, 23, 23, {
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{ 0, 11, 2 }, { 5, 13, 0 }, { 11, 15, 0 }, { 13, 18, -2 },
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{ 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 },
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{ 15, 21, -8 }, { 15, 21, -10 }, { 17, 22, -10 },
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{ 17, 22, -10 }, { 17, 23, -12 }, { 19, 23, -12 },
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{ 23, 24, -12 }
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}
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},
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/* 10BPP/16BPC */
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{ 410, 15, 5632, 19, 28, 27, 27, {
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{ 0, 11, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 16, 20, -2 },
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{ 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 },
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{ 19, 25, -8 }, { 19, 25, -10 }, { 21, 26, -10 },
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{ 21, 26, -10 }, { 21, 27, -12 }, { 23, 27, -12 },
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{ 27, 28, -12 }
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}
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},
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},
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{
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/* 12BPP/8BPC */
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{ 341, 15, 2048, 3, 12, 11, 11, {
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{ 0, 2, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 },
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{ 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 },
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{ 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 },
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{ 5, 12, -12 }, { 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 }
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}
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},
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/* 12BPP/10BPC */
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{ 341, 15, 2048, 7, 16, 15, 15, {
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{ 0, 2, 2 }, { 2, 5, 0 }, { 3, 7, 0 }, { 4, 8, -2 },
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{ 6, 9, -4 }, { 7, 10, -6 }, { 7, 11, -8 }, { 7, 12, -8 },
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{ 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 },
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{ 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 }
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}
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},
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/* 12BPP/12BPC */
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{ 341, 15, 2048, 11, 20, 19, 19, {
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{ 0, 6, 2 }, { 4, 9, 0 }, { 7, 11, 0 }, { 8, 12, -2 },
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{ 10, 13, -4 }, { 11, 14, -6 }, { 11, 15, -8 }, { 11, 16, -8 },
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{ 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 },
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{ 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 },
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{ 21, 23, -12 }
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}
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},
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/* 12BPP/14BPC */
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{ 341, 15, 2048, 15, 24, 23, 23, {
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{ 0, 6, 2 }, { 7, 10, 0 }, { 9, 13, 0 }, { 11, 16, -2 },
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{ 14, 17, -4 }, { 15, 18, -6 }, { 15, 19, -8 }, { 15, 20, -8 },
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{ 15, 20, -8 }, { 15, 21, -10 }, { 17, 21, -10 },
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{ 17, 21, -12 }, { 17, 21, -12 }, { 19, 22, -12 },
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{ 22, 23, -12 }
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}
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},
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/* 12BPP/16BPC */
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{ 341, 15, 2048, 19, 28, 27, 27, {
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{ 0, 6, 2 }, { 6, 11, 0 }, { 11, 15, 0 }, { 14, 18, -2 },
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{ 18, 21, -4 }, { 19, 22, -6 }, { 19, 23, -8 }, { 19, 24, -8 },
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{ 19, 24, -8 }, { 19, 25, -10 }, { 21, 25, -10 },
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{ 21, 25, -12 }, { 21, 25, -12 }, { 23, 26, -12 },
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{ 26, 27, -12 }
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}
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},
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},
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{
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/* 15BPP/8BPC */
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{ 273, 15, 2048, 3, 12, 11, 11, {
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{ 0, 0, 10 }, { 0, 1, 8 }, { 0, 1, 6 }, { 0, 2, 4 },
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{ 1, 2, 2 }, { 1, 3, 0 }, { 1, 3, -2 }, { 2, 4, -4 },
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{ 2, 5, -6 }, { 3, 5, -8 }, { 4, 6, -10 }, { 4, 7, -10 },
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{ 5, 7, -12 }, { 7, 8, -12 }, { 8, 9, -12 }
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}
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},
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/* 15BPP/10BPC */
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{ 273, 15, 2048, 7, 16, 15, 15, {
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{ 0, 2, 10 }, { 2, 5, 8 }, { 3, 5, 6 }, { 4, 6, 4 },
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{ 5, 6, 2 }, { 5, 7, 0 }, { 5, 7, -2 }, { 6, 8, -4 },
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{ 6, 9, -6 }, { 7, 9, -8 }, { 8, 10, -10 }, { 8, 11, -10 },
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{ 9, 11, -12 }, { 11, 12, -12 }, { 12, 13, -12 }
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}
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},
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/* 15BPP/12BPC */
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{ 273, 15, 2048, 11, 20, 19, 19, {
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{ 0, 4, 10 }, { 2, 7, 8 }, { 4, 9, 6 }, { 6, 11, 4 },
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{ 9, 11, 2 }, { 9, 11, 0 }, { 9, 12, -2 }, { 10, 12, -4 },
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{ 11, 13, -6 }, { 11, 13, -8 }, { 12, 14, -10 },
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{ 13, 15, -10 }, { 13, 15, -12 }, { 15, 16, -12 },
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{ 16, 17, -12 }
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}
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},
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/* 15BPP/14BPC */
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{ 273, 15, 2048, 15, 24, 23, 23, {
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{ 0, 4, 10 }, { 3, 8, 8 }, { 6, 11, 6 }, { 9, 14, 4 },
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{ 13, 15, 2 }, { 13, 15, 0 }, { 13, 16, -2 }, { 14, 16, -4 },
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{ 15, 17, -6 }, { 15, 17, -8 }, { 16, 18, -10 },
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{ 17, 19, -10 }, { 17, 19, -12 }, { 19, 20, -12 },
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{ 20, 21, -12 }
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}
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},
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/* 15BPP/16BPC */
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{ 273, 15, 2048, 19, 28, 27, 27, {
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{ 0, 4, 10 }, { 4, 9, 8 }, { 8, 13, 6 }, { 12, 17, 4 },
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{ 17, 19, 2 }, { 17, 20, 0 }, { 17, 20, -2 }, { 18, 20, -4 },
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{ 19, 21, -6 }, { 19, 21, -8 }, { 20, 22, -10 },
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{ 21, 23, -10 }, { 21, 23, -12 }, { 23, 24, -12 },
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{ 24, 25, -12 }
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}
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}
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}
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};
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static int get_row_index_for_rc_params(u16 compressed_bpp)
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{
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switch (compressed_bpp) {
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case 6:
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return ROW_INDEX_6BPP;
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case 8:
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return ROW_INDEX_8BPP;
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case 10:
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return ROW_INDEX_10BPP;
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case 12:
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return ROW_INDEX_12BPP;
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case 15:
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return ROW_INDEX_15BPP;
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default:
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return -EINVAL;
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}
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}
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static int get_column_index_for_rc_params(u8 bits_per_component)
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{
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switch (bits_per_component) {
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case 8:
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return COLUMN_INDEX_8BPC;
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case 10:
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return COLUMN_INDEX_10BPC;
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case 12:
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return COLUMN_INDEX_12BPC;
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case 14:
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return COLUMN_INDEX_14BPC;
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case 16:
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return COLUMN_INDEX_16BPC;
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default:
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return -EINVAL;
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}
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}
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static const struct rc_parameters *get_rc_params(u16 compressed_bpp,
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u8 bits_per_component)
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{
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int row_index, column_index;
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row_index = get_row_index_for_rc_params(compressed_bpp);
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if (row_index < 0)
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return NULL;
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column_index = get_column_index_for_rc_params(bits_per_component);
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if (column_index < 0)
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return NULL;
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return &rc_parameters[row_index][column_index];
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}
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bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state)
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{
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const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
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struct drm_i915_private *i915 = to_i915(crtc->base.dev);
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enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
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if (!HAS_DSC(i915))
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return false;
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if (DISPLAY_VER(i915) == 11 && cpu_transcoder == TRANSCODER_A)
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return false;
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return true;
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}
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static bool is_pipe_dsc(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
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{
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struct drm_i915_private *i915 = to_i915(crtc->base.dev);
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if (DISPLAY_VER(i915) >= 12)
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return true;
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if (cpu_transcoder == TRANSCODER_EDP ||
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cpu_transcoder == TRANSCODER_DSI_0 ||
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cpu_transcoder == TRANSCODER_DSI_1)
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return false;
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/* There's no pipe A DSC engine on ICL */
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drm_WARN_ON(&i915->drm, crtc->pipe == PIPE_A);
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return true;
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}
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static void
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calculate_rc_params(struct rc_parameters *rc,
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struct drm_dsc_config *vdsc_cfg)
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{
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int bpc = vdsc_cfg->bits_per_component;
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int bpp = vdsc_cfg->bits_per_pixel >> 4;
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static const s8 ofs_und6[] = {
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0, -2, -2, -4, -6, -6, -8, -8, -8, -10, -10, -12, -12, -12, -12
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};
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static const s8 ofs_und8[] = {
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2, 0, 0, -2, -4, -6, -8, -8, -8, -10, -10, -10, -12, -12, -12
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};
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static const s8 ofs_und12[] = {
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2, 0, 0, -2, -4, -6, -8, -8, -8, -10, -10, -10, -12, -12, -12
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};
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static const s8 ofs_und15[] = {
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10, 8, 6, 4, 2, 0, -2, -4, -6, -8, -10, -10, -12, -12, -12
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};
|
|
int qp_bpc_modifier = (bpc - 8) * 2;
|
|
u32 res, buf_i, bpp_i;
|
|
|
|
if (vdsc_cfg->slice_height >= 8)
|
|
rc->first_line_bpg_offset =
|
|
12 + DIV_ROUND_UP((9 * min(34, vdsc_cfg->slice_height - 8)), 100);
|
|
else
|
|
rc->first_line_bpg_offset = 2 * (vdsc_cfg->slice_height - 1);
|
|
|
|
/* Our hw supports only 444 modes as of today */
|
|
if (bpp >= 12)
|
|
rc->initial_offset = 2048;
|
|
else if (bpp >= 10)
|
|
rc->initial_offset = 5632 - DIV_ROUND_UP(((bpp - 10) * 3584), 2);
|
|
else if (bpp >= 8)
|
|
rc->initial_offset = 6144 - DIV_ROUND_UP(((bpp - 8) * 512), 2);
|
|
else
|
|
rc->initial_offset = 6144;
|
|
|
|
/* initial_xmit_delay = rc_model_size/2/compression_bpp */
|
|
rc->initial_xmit_delay = DIV_ROUND_UP(DSC_RC_MODEL_SIZE_CONST, 2 * bpp);
|
|
|
|
rc->flatness_min_qp = 3 + qp_bpc_modifier;
|
|
rc->flatness_max_qp = 12 + qp_bpc_modifier;
|
|
|
|
rc->rc_quant_incr_limit0 = 11 + qp_bpc_modifier;
|
|
rc->rc_quant_incr_limit1 = 11 + qp_bpc_modifier;
|
|
|
|
bpp_i = (2 * (bpp - 6));
|
|
for (buf_i = 0; buf_i < DSC_NUM_BUF_RANGES; buf_i++) {
|
|
/* Read range_minqp and range_max_qp from qp tables */
|
|
rc->rc_range_params[buf_i].range_min_qp =
|
|
intel_lookup_range_min_qp(bpc, buf_i, bpp_i);
|
|
rc->rc_range_params[buf_i].range_max_qp =
|
|
intel_lookup_range_max_qp(bpc, buf_i, bpp_i);
|
|
|
|
/* Calculate range_bgp_offset */
|
|
if (bpp <= 6) {
|
|
rc->rc_range_params[buf_i].range_bpg_offset = ofs_und6[buf_i];
|
|
} else if (bpp <= 8) {
|
|
res = DIV_ROUND_UP(((bpp - 6) * (ofs_und8[buf_i] - ofs_und6[buf_i])), 2);
|
|
rc->rc_range_params[buf_i].range_bpg_offset =
|
|
ofs_und6[buf_i] + res;
|
|
} else if (bpp <= 12) {
|
|
rc->rc_range_params[buf_i].range_bpg_offset =
|
|
ofs_und8[buf_i];
|
|
} else if (bpp <= 15) {
|
|
res = DIV_ROUND_UP(((bpp - 12) * (ofs_und15[buf_i] - ofs_und12[buf_i])), 3);
|
|
rc->rc_range_params[buf_i].range_bpg_offset =
|
|
ofs_und12[buf_i] + res;
|
|
} else {
|
|
rc->rc_range_params[buf_i].range_bpg_offset =
|
|
ofs_und15[buf_i];
|
|
}
|
|
}
|
|
}
|
|
|
|
int intel_dsc_compute_params(struct intel_crtc_state *pipe_config)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
struct drm_dsc_config *vdsc_cfg = &pipe_config->dsc.config;
|
|
u16 compressed_bpp = pipe_config->dsc.compressed_bpp;
|
|
const struct rc_parameters *rc_params;
|
|
struct rc_parameters *rc = NULL;
|
|
u8 i = 0;
|
|
|
|
vdsc_cfg->pic_width = pipe_config->hw.adjusted_mode.crtc_hdisplay;
|
|
vdsc_cfg->slice_width = DIV_ROUND_UP(vdsc_cfg->pic_width,
|
|
pipe_config->dsc.slice_count);
|
|
|
|
/* Gen 11 does not support YCbCr */
|
|
vdsc_cfg->simple_422 = false;
|
|
/* Gen 11 does not support VBR */
|
|
vdsc_cfg->vbr_enable = false;
|
|
|
|
/* Gen 11 only supports integral values of bpp */
|
|
vdsc_cfg->bits_per_pixel = compressed_bpp << 4;
|
|
vdsc_cfg->bits_per_component = pipe_config->pipe_bpp / 3;
|
|
|
|
for (i = 0; i < DSC_NUM_BUF_RANGES - 1; i++) {
|
|
/*
|
|
* six 0s are appended to the lsb of each threshold value
|
|
* internally in h/w.
|
|
* Only 8 bits are allowed for programming RcBufThreshold
|
|
*/
|
|
vdsc_cfg->rc_buf_thresh[i] = rc_buf_thresh[i] >> 6;
|
|
}
|
|
|
|
/*
|
|
* For 6bpp, RC Buffer threshold 12 and 13 need a different value
|
|
* as per C Model
|
|
*/
|
|
if (compressed_bpp == 6) {
|
|
vdsc_cfg->rc_buf_thresh[12] = 0x7C;
|
|
vdsc_cfg->rc_buf_thresh[13] = 0x7D;
|
|
}
|
|
|
|
/*
|
|
* From XE_LPD onwards we supports compression bpps in steps of 1
|
|
* upto uncompressed bpp-1, hence add calculations for all the rc
|
|
* parameters
|
|
*/
|
|
if (DISPLAY_VER(dev_priv) >= 13) {
|
|
rc = kmalloc(sizeof(*rc), GFP_KERNEL);
|
|
if (!rc)
|
|
return -ENOMEM;
|
|
|
|
calculate_rc_params(rc, vdsc_cfg);
|
|
rc_params = rc;
|
|
} else {
|
|
rc_params = get_rc_params(compressed_bpp,
|
|
vdsc_cfg->bits_per_component);
|
|
if (!rc_params)
|
|
return -EINVAL;
|
|
}
|
|
|
|
vdsc_cfg->first_line_bpg_offset = rc_params->first_line_bpg_offset;
|
|
vdsc_cfg->initial_xmit_delay = rc_params->initial_xmit_delay;
|
|
vdsc_cfg->initial_offset = rc_params->initial_offset;
|
|
vdsc_cfg->flatness_min_qp = rc_params->flatness_min_qp;
|
|
vdsc_cfg->flatness_max_qp = rc_params->flatness_max_qp;
|
|
vdsc_cfg->rc_quant_incr_limit0 = rc_params->rc_quant_incr_limit0;
|
|
vdsc_cfg->rc_quant_incr_limit1 = rc_params->rc_quant_incr_limit1;
|
|
|
|
for (i = 0; i < DSC_NUM_BUF_RANGES; i++) {
|
|
vdsc_cfg->rc_range_params[i].range_min_qp =
|
|
rc_params->rc_range_params[i].range_min_qp;
|
|
vdsc_cfg->rc_range_params[i].range_max_qp =
|
|
rc_params->rc_range_params[i].range_max_qp;
|
|
/*
|
|
* Range BPG Offset uses 2's complement and is only a 6 bits. So
|
|
* mask it to get only 6 bits.
|
|
*/
|
|
vdsc_cfg->rc_range_params[i].range_bpg_offset =
|
|
rc_params->rc_range_params[i].range_bpg_offset &
|
|
DSC_RANGE_BPG_OFFSET_MASK;
|
|
}
|
|
|
|
/*
|
|
* BitsPerComponent value determines mux_word_size:
|
|
* When BitsPerComponent is less than or 10bpc, muxWordSize will be equal to
|
|
* 48 bits otherwise 64
|
|
*/
|
|
if (vdsc_cfg->bits_per_component <= 10)
|
|
vdsc_cfg->mux_word_size = DSC_MUX_WORD_SIZE_8_10_BPC;
|
|
else
|
|
vdsc_cfg->mux_word_size = DSC_MUX_WORD_SIZE_12_BPC;
|
|
|
|
/* InitialScaleValue is a 6 bit value with 3 fractional bits (U3.3) */
|
|
vdsc_cfg->initial_scale_value = (vdsc_cfg->rc_model_size << 3) /
|
|
(vdsc_cfg->rc_model_size - vdsc_cfg->initial_offset);
|
|
|
|
kfree(rc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
enum intel_display_power_domain
|
|
intel_dsc_power_domain(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
|
|
{
|
|
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
|
|
enum pipe pipe = crtc->pipe;
|
|
|
|
/*
|
|
* VDSC/joining uses a separate power well, PW2, and requires
|
|
* POWER_DOMAIN_TRANSCODER_VDSC_PW2 power domain in two cases:
|
|
*
|
|
* - ICL eDP/DSI transcoder
|
|
* - Display version 12 (except RKL) pipe A
|
|
*
|
|
* For any other pipe, VDSC/joining uses the power well associated with
|
|
* the pipe in use. Hence another reference on the pipe power domain
|
|
* will suffice. (Except no VDSC/joining on ICL pipe A.)
|
|
*/
|
|
if (DISPLAY_VER(i915) == 12 && !IS_ROCKETLAKE(i915) && pipe == PIPE_A)
|
|
return POWER_DOMAIN_TRANSCODER_VDSC_PW2;
|
|
else if (is_pipe_dsc(crtc, cpu_transcoder))
|
|
return POWER_DOMAIN_PIPE(pipe);
|
|
else
|
|
return POWER_DOMAIN_TRANSCODER_VDSC_PW2;
|
|
}
|
|
|
|
static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
|
|
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
|
|
enum pipe pipe = crtc->pipe;
|
|
u32 pps_val = 0;
|
|
u32 rc_buf_thresh_dword[4];
|
|
u32 rc_range_params_dword[8];
|
|
u8 num_vdsc_instances = (crtc_state->dsc.dsc_split) ? 2 : 1;
|
|
int i = 0;
|
|
|
|
if (crtc_state->bigjoiner_pipes)
|
|
num_vdsc_instances *= 2;
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_0 registers */
|
|
pps_val = DSC_VER_MAJ | vdsc_cfg->dsc_version_minor <<
|
|
DSC_VER_MIN_SHIFT |
|
|
vdsc_cfg->bits_per_component << DSC_BPC_SHIFT |
|
|
vdsc_cfg->line_buf_depth << DSC_LINE_BUF_DEPTH_SHIFT;
|
|
if (vdsc_cfg->dsc_version_minor == 2)
|
|
pps_val |= DSC_ALT_ICH_SEL;
|
|
if (vdsc_cfg->block_pred_enable)
|
|
pps_val |= DSC_BLOCK_PREDICTION;
|
|
if (vdsc_cfg->convert_rgb)
|
|
pps_val |= DSC_COLOR_SPACE_CONVERSION;
|
|
if (vdsc_cfg->simple_422)
|
|
pps_val |= DSC_422_ENABLE;
|
|
if (vdsc_cfg->vbr_enable)
|
|
pps_val |= DSC_VBR_ENABLE;
|
|
drm_dbg_kms(&dev_priv->drm, "PPS0 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_0,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_0,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_0(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_0(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_1 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_BPP(vdsc_cfg->bits_per_pixel);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS1 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_1,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_1,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_1(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_1(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_2 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_PIC_HEIGHT(vdsc_cfg->pic_height) |
|
|
DSC_PIC_WIDTH(vdsc_cfg->pic_width / num_vdsc_instances);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS2 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_2,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_2,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_2(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_2(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_3 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_SLICE_HEIGHT(vdsc_cfg->slice_height) |
|
|
DSC_SLICE_WIDTH(vdsc_cfg->slice_width);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS3 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_3,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_3,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_3(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_3(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_4 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_INITIAL_XMIT_DELAY(vdsc_cfg->initial_xmit_delay) |
|
|
DSC_INITIAL_DEC_DELAY(vdsc_cfg->initial_dec_delay);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS4 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_4,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_4,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_4(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_4(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_5 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_SCALE_INC_INT(vdsc_cfg->scale_increment_interval) |
|
|
DSC_SCALE_DEC_INT(vdsc_cfg->scale_decrement_interval);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS5 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_5,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_5,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_5(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_5(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_6 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_INITIAL_SCALE_VALUE(vdsc_cfg->initial_scale_value) |
|
|
DSC_FIRST_LINE_BPG_OFFSET(vdsc_cfg->first_line_bpg_offset) |
|
|
DSC_FLATNESS_MIN_QP(vdsc_cfg->flatness_min_qp) |
|
|
DSC_FLATNESS_MAX_QP(vdsc_cfg->flatness_max_qp);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS6 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_6,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_6,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_6(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_6(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_7 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_SLICE_BPG_OFFSET(vdsc_cfg->slice_bpg_offset) |
|
|
DSC_NFL_BPG_OFFSET(vdsc_cfg->nfl_bpg_offset);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS7 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_7,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_7,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_7(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_7(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_8 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_FINAL_OFFSET(vdsc_cfg->final_offset) |
|
|
DSC_INITIAL_OFFSET(vdsc_cfg->initial_offset);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS8 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_8,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_8,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_8(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_8(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_9 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_RC_MODEL_SIZE(vdsc_cfg->rc_model_size) |
|
|
DSC_RC_EDGE_FACTOR(DSC_RC_EDGE_FACTOR_CONST);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS9 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_9,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv, DSCC_PICTURE_PARAMETER_SET_9,
|
|
pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_9(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_9(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate PICTURE_PARAMETER_SET_10 registers */
|
|
pps_val = 0;
|
|
pps_val |= DSC_RC_QUANT_INC_LIMIT0(vdsc_cfg->rc_quant_incr_limit0) |
|
|
DSC_RC_QUANT_INC_LIMIT1(vdsc_cfg->rc_quant_incr_limit1) |
|
|
DSC_RC_TARGET_OFF_HIGH(DSC_RC_TGT_OFFSET_HI_CONST) |
|
|
DSC_RC_TARGET_OFF_LOW(DSC_RC_TGT_OFFSET_LO_CONST);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS10 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_10,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
DSCC_PICTURE_PARAMETER_SET_10, pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_10(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_10(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate Picture parameter set 16 */
|
|
pps_val = 0;
|
|
pps_val |= DSC_SLICE_CHUNK_SIZE(vdsc_cfg->slice_chunk_size) |
|
|
DSC_SLICE_PER_LINE((vdsc_cfg->pic_width / num_vdsc_instances) /
|
|
vdsc_cfg->slice_width) |
|
|
DSC_SLICE_ROW_PER_FRAME(vdsc_cfg->pic_height /
|
|
vdsc_cfg->slice_height);
|
|
drm_dbg_kms(&dev_priv->drm, "PPS16 = 0x%08x\n", pps_val);
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_PICTURE_PARAMETER_SET_16,
|
|
pps_val);
|
|
/*
|
|
* If 2 VDSC instances are needed, configure PPS for second
|
|
* VDSC
|
|
*/
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
DSCC_PICTURE_PARAMETER_SET_16, pps_val);
|
|
} else {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_16(pipe),
|
|
pps_val);
|
|
if (crtc_state->dsc.dsc_split)
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_PICTURE_PARAMETER_SET_16(pipe),
|
|
pps_val);
|
|
}
|
|
|
|
/* Populate the RC_BUF_THRESH registers */
|
|
memset(rc_buf_thresh_dword, 0, sizeof(rc_buf_thresh_dword));
|
|
for (i = 0; i < DSC_NUM_BUF_RANGES - 1; i++) {
|
|
rc_buf_thresh_dword[i / 4] |=
|
|
(u32)(vdsc_cfg->rc_buf_thresh[i] <<
|
|
BITS_PER_BYTE * (i % 4));
|
|
drm_dbg_kms(&dev_priv->drm, "RC_BUF_THRESH_%d = 0x%08x\n", i,
|
|
rc_buf_thresh_dword[i / 4]);
|
|
}
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_0,
|
|
rc_buf_thresh_dword[0]);
|
|
intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_0_UDW,
|
|
rc_buf_thresh_dword[1]);
|
|
intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_1,
|
|
rc_buf_thresh_dword[2]);
|
|
intel_de_write(dev_priv, DSCA_RC_BUF_THRESH_1_UDW,
|
|
rc_buf_thresh_dword[3]);
|
|
if (crtc_state->dsc.dsc_split) {
|
|
intel_de_write(dev_priv, DSCC_RC_BUF_THRESH_0,
|
|
rc_buf_thresh_dword[0]);
|
|
intel_de_write(dev_priv, DSCC_RC_BUF_THRESH_0_UDW,
|
|
rc_buf_thresh_dword[1]);
|
|
intel_de_write(dev_priv, DSCC_RC_BUF_THRESH_1,
|
|
rc_buf_thresh_dword[2]);
|
|
intel_de_write(dev_priv, DSCC_RC_BUF_THRESH_1_UDW,
|
|
rc_buf_thresh_dword[3]);
|
|
}
|
|
} else {
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_BUF_THRESH_0(pipe),
|
|
rc_buf_thresh_dword[0]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_BUF_THRESH_0_UDW(pipe),
|
|
rc_buf_thresh_dword[1]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_BUF_THRESH_1(pipe),
|
|
rc_buf_thresh_dword[2]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_BUF_THRESH_1_UDW(pipe),
|
|
rc_buf_thresh_dword[3]);
|
|
if (crtc_state->dsc.dsc_split) {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_BUF_THRESH_0(pipe),
|
|
rc_buf_thresh_dword[0]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_BUF_THRESH_0_UDW(pipe),
|
|
rc_buf_thresh_dword[1]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_BUF_THRESH_1(pipe),
|
|
rc_buf_thresh_dword[2]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_BUF_THRESH_1_UDW(pipe),
|
|
rc_buf_thresh_dword[3]);
|
|
}
|
|
}
|
|
|
|
/* Populate the RC_RANGE_PARAMETERS registers */
|
|
memset(rc_range_params_dword, 0, sizeof(rc_range_params_dword));
|
|
for (i = 0; i < DSC_NUM_BUF_RANGES; i++) {
|
|
rc_range_params_dword[i / 2] |=
|
|
(u32)(((vdsc_cfg->rc_range_params[i].range_bpg_offset <<
|
|
RC_BPG_OFFSET_SHIFT) |
|
|
(vdsc_cfg->rc_range_params[i].range_max_qp <<
|
|
RC_MAX_QP_SHIFT) |
|
|
(vdsc_cfg->rc_range_params[i].range_min_qp <<
|
|
RC_MIN_QP_SHIFT)) << 16 * (i % 2));
|
|
drm_dbg_kms(&dev_priv->drm, "RC_RANGE_PARAM_%d = 0x%08x\n", i,
|
|
rc_range_params_dword[i / 2]);
|
|
}
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder)) {
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_0,
|
|
rc_range_params_dword[0]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_0_UDW,
|
|
rc_range_params_dword[1]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_1,
|
|
rc_range_params_dword[2]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_1_UDW,
|
|
rc_range_params_dword[3]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_2,
|
|
rc_range_params_dword[4]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_2_UDW,
|
|
rc_range_params_dword[5]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_3,
|
|
rc_range_params_dword[6]);
|
|
intel_de_write(dev_priv, DSCA_RC_RANGE_PARAMETERS_3_UDW,
|
|
rc_range_params_dword[7]);
|
|
if (crtc_state->dsc.dsc_split) {
|
|
intel_de_write(dev_priv, DSCC_RC_RANGE_PARAMETERS_0,
|
|
rc_range_params_dword[0]);
|
|
intel_de_write(dev_priv,
|
|
DSCC_RC_RANGE_PARAMETERS_0_UDW,
|
|
rc_range_params_dword[1]);
|
|
intel_de_write(dev_priv, DSCC_RC_RANGE_PARAMETERS_1,
|
|
rc_range_params_dword[2]);
|
|
intel_de_write(dev_priv,
|
|
DSCC_RC_RANGE_PARAMETERS_1_UDW,
|
|
rc_range_params_dword[3]);
|
|
intel_de_write(dev_priv, DSCC_RC_RANGE_PARAMETERS_2,
|
|
rc_range_params_dword[4]);
|
|
intel_de_write(dev_priv,
|
|
DSCC_RC_RANGE_PARAMETERS_2_UDW,
|
|
rc_range_params_dword[5]);
|
|
intel_de_write(dev_priv, DSCC_RC_RANGE_PARAMETERS_3,
|
|
rc_range_params_dword[6]);
|
|
intel_de_write(dev_priv,
|
|
DSCC_RC_RANGE_PARAMETERS_3_UDW,
|
|
rc_range_params_dword[7]);
|
|
}
|
|
} else {
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_RANGE_PARAMETERS_0(pipe),
|
|
rc_range_params_dword[0]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_RC_RANGE_PARAMETERS_0_UDW(pipe),
|
|
rc_range_params_dword[1]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_RANGE_PARAMETERS_1(pipe),
|
|
rc_range_params_dword[2]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_RC_RANGE_PARAMETERS_1_UDW(pipe),
|
|
rc_range_params_dword[3]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_RANGE_PARAMETERS_2(pipe),
|
|
rc_range_params_dword[4]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_RC_RANGE_PARAMETERS_2_UDW(pipe),
|
|
rc_range_params_dword[5]);
|
|
intel_de_write(dev_priv, ICL_DSC0_RC_RANGE_PARAMETERS_3(pipe),
|
|
rc_range_params_dword[6]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC0_RC_RANGE_PARAMETERS_3_UDW(pipe),
|
|
rc_range_params_dword[7]);
|
|
if (crtc_state->dsc.dsc_split) {
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_0(pipe),
|
|
rc_range_params_dword[0]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_0_UDW(pipe),
|
|
rc_range_params_dword[1]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_1(pipe),
|
|
rc_range_params_dword[2]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_1_UDW(pipe),
|
|
rc_range_params_dword[3]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_2(pipe),
|
|
rc_range_params_dword[4]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_2_UDW(pipe),
|
|
rc_range_params_dword[5]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_3(pipe),
|
|
rc_range_params_dword[6]);
|
|
intel_de_write(dev_priv,
|
|
ICL_DSC1_RC_RANGE_PARAMETERS_3_UDW(pipe),
|
|
rc_range_params_dword[7]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state)
|
|
{
|
|
const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
|
|
struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
|
|
struct mipi_dsi_device *dsi;
|
|
struct drm_dsc_picture_parameter_set pps;
|
|
enum port port;
|
|
|
|
if (!crtc_state->dsc.compression_enable)
|
|
return;
|
|
|
|
drm_dsc_pps_payload_pack(&pps, vdsc_cfg);
|
|
|
|
for_each_dsi_port(port, intel_dsi->ports) {
|
|
dsi = intel_dsi->dsi_hosts[port]->device;
|
|
|
|
mipi_dsi_picture_parameter_set(dsi, &pps);
|
|
mipi_dsi_compression_mode(dsi, true);
|
|
}
|
|
}
|
|
|
|
void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state)
|
|
{
|
|
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
|
|
const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
|
|
struct drm_dsc_pps_infoframe dp_dsc_pps_sdp;
|
|
|
|
if (!crtc_state->dsc.compression_enable)
|
|
return;
|
|
|
|
/* Prepare DP SDP PPS header as per DP 1.4 spec, Table 2-123 */
|
|
drm_dsc_dp_pps_header_init(&dp_dsc_pps_sdp.pps_header);
|
|
|
|
/* Fill the PPS payload bytes as per DSC spec 1.2 Table 4-1 */
|
|
drm_dsc_pps_payload_pack(&dp_dsc_pps_sdp.pps_payload, vdsc_cfg);
|
|
|
|
dig_port->write_infoframe(encoder, crtc_state,
|
|
DP_SDP_PPS, &dp_dsc_pps_sdp,
|
|
sizeof(dp_dsc_pps_sdp));
|
|
}
|
|
|
|
static i915_reg_t dss_ctl1_reg(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
|
|
{
|
|
return is_pipe_dsc(crtc, cpu_transcoder) ?
|
|
ICL_PIPE_DSS_CTL1(crtc->pipe) : DSS_CTL1;
|
|
}
|
|
|
|
static i915_reg_t dss_ctl2_reg(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
|
|
{
|
|
return is_pipe_dsc(crtc, cpu_transcoder) ?
|
|
ICL_PIPE_DSS_CTL2(crtc->pipe) : DSS_CTL2;
|
|
}
|
|
|
|
void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
u32 dss_ctl1_val = 0;
|
|
|
|
if (crtc_state->bigjoiner_pipes && !crtc_state->dsc.compression_enable) {
|
|
if (intel_crtc_is_bigjoiner_slave(crtc_state))
|
|
dss_ctl1_val |= UNCOMPRESSED_JOINER_SLAVE;
|
|
else
|
|
dss_ctl1_val |= UNCOMPRESSED_JOINER_MASTER;
|
|
|
|
intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), dss_ctl1_val);
|
|
}
|
|
}
|
|
|
|
void intel_dsc_enable(const struct intel_crtc_state *crtc_state)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
u32 dss_ctl1_val = 0;
|
|
u32 dss_ctl2_val = 0;
|
|
|
|
if (!crtc_state->dsc.compression_enable)
|
|
return;
|
|
|
|
intel_dsc_pps_configure(crtc_state);
|
|
|
|
dss_ctl2_val |= LEFT_BRANCH_VDSC_ENABLE;
|
|
if (crtc_state->dsc.dsc_split) {
|
|
dss_ctl2_val |= RIGHT_BRANCH_VDSC_ENABLE;
|
|
dss_ctl1_val |= JOINER_ENABLE;
|
|
}
|
|
if (crtc_state->bigjoiner_pipes) {
|
|
dss_ctl1_val |= BIG_JOINER_ENABLE;
|
|
if (!intel_crtc_is_bigjoiner_slave(crtc_state))
|
|
dss_ctl1_val |= MASTER_BIG_JOINER_ENABLE;
|
|
}
|
|
intel_de_write(dev_priv, dss_ctl1_reg(crtc, crtc_state->cpu_transcoder), dss_ctl1_val);
|
|
intel_de_write(dev_priv, dss_ctl2_reg(crtc, crtc_state->cpu_transcoder), dss_ctl2_val);
|
|
}
|
|
|
|
void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
|
|
/* Disable only if either of them is enabled */
|
|
if (old_crtc_state->dsc.compression_enable ||
|
|
old_crtc_state->bigjoiner_pipes) {
|
|
intel_de_write(dev_priv, dss_ctl1_reg(crtc, old_crtc_state->cpu_transcoder), 0);
|
|
intel_de_write(dev_priv, dss_ctl2_reg(crtc, old_crtc_state->cpu_transcoder), 0);
|
|
}
|
|
}
|
|
|
|
void intel_dsc_get_config(struct intel_crtc_state *crtc_state)
|
|
{
|
|
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
|
|
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
|
|
struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
|
|
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
|
|
enum pipe pipe = crtc->pipe;
|
|
enum intel_display_power_domain power_domain;
|
|
intel_wakeref_t wakeref;
|
|
u32 dss_ctl1, dss_ctl2, val;
|
|
|
|
if (!intel_dsc_source_support(crtc_state))
|
|
return;
|
|
|
|
power_domain = intel_dsc_power_domain(crtc, cpu_transcoder);
|
|
|
|
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
|
|
if (!wakeref)
|
|
return;
|
|
|
|
dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc, cpu_transcoder));
|
|
dss_ctl2 = intel_de_read(dev_priv, dss_ctl2_reg(crtc, cpu_transcoder));
|
|
|
|
crtc_state->dsc.compression_enable = dss_ctl2 & LEFT_BRANCH_VDSC_ENABLE;
|
|
if (!crtc_state->dsc.compression_enable)
|
|
goto out;
|
|
|
|
crtc_state->dsc.dsc_split = (dss_ctl2 & RIGHT_BRANCH_VDSC_ENABLE) &&
|
|
(dss_ctl1 & JOINER_ENABLE);
|
|
|
|
/* FIXME: add more state readout as needed */
|
|
|
|
/* PPS1 */
|
|
if (!is_pipe_dsc(crtc, cpu_transcoder))
|
|
val = intel_de_read(dev_priv, DSCA_PICTURE_PARAMETER_SET_1);
|
|
else
|
|
val = intel_de_read(dev_priv,
|
|
ICL_DSC0_PICTURE_PARAMETER_SET_1(pipe));
|
|
vdsc_cfg->bits_per_pixel = val;
|
|
crtc_state->dsc.compressed_bpp = vdsc_cfg->bits_per_pixel >> 4;
|
|
out:
|
|
intel_display_power_put(dev_priv, power_domain, wakeref);
|
|
}
|