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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-10 06:09:23 -04:00
msm-vidc: update bw calculation for ar50LT
Update bw calculation formulas for ar50LT. Change-Id: Ife2342304947f4108f908f7a5c56de24ad088b23 Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
This commit is contained in:
Dikshita Agarwal
parent
583ad02d81
commit
b28387c5c4
1 changed files with 107 additions and 88 deletions
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@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
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*/
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#include "msm_vidc_bus.h"
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@ -9,33 +9,35 @@
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static unsigned long __calculate_encoder(struct vidc_bus_vote_data *d)
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{
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/* Encoder Parameters */
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int width, height, fps, bitrate, lcu_size;
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int width, height, fps, bitrate, lcu_size, lcu_per_frame,
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collocated_bytes_per_lcu, search_range_v, search_range_h,
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vertical_tile_size, num_tiles;
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/* Derived Parameter */
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int search_range, lcu_per_frame;
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unsigned int bins_to_bit_factor;
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fp_t y_bw;
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bool is_h264_category = true;
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fp_t orig_read_factor, recon_write_factor,
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ref_y_read_factor, ref_c_read_factor, lb_factor,
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rest_factor, total_read_factor, total_write_factor,
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total_factor, overhead_factor;
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ref_y_read_factor, ref_c_read_factor, overhead_factor;
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/* Output parameters */
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fp_t orig_read, recon_write,
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ref_y_read, ref_c_read,
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lb_read, lb_write,
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bse_read, bse_write,
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total_read, total_write,
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total;
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ref_y_read, ref_c_read,
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bse_lb_read, bse_lb_write,
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collocated_read, collocated_write,
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bitstream_read, bitstream_write,
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total_read, total_write,
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total;
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unsigned long ret = 0;
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/* Encoder Fixed Parameters */
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/* Encoder Fixed Parameters setup */
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search_range_h = 96;
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search_range_v = 48;
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bins_to_bit_factor = 4;
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overhead_factor = FP(1, 3, 100);
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orig_read_factor = FP(1, 50, 100); /* L + C */
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recon_write_factor = FP(1, 50, 100); /* L + C */
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ref_c_read_factor = FP(0, 75, 100); /* 1.5/2 ( 1.5 Cache efficiency )*/
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lb_factor = FP(1, 25, 100); /* Worst case : HEVC 720p = 1.25 */
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fps = d->fps;
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width = max(d->output_width, BASELINE_DIMENSIONS.width);
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@ -55,40 +57,46 @@ static unsigned long __calculate_encoder(struct vidc_bus_vote_data *d)
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is_h264_category = false;
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}
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search_range = 48;
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collocated_bytes_per_lcu = lcu_size == 16 ? 16 :
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lcu_size == 32 ? 64 : 256;
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if (width >= 1296 && width <= 1536)
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vertical_tile_size = 768;
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else
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vertical_tile_size = 640;
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num_tiles = DIV_ROUND_UP(width, vertical_tile_size);
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y_bw = fp_mult(fp_mult(FP_INT(width), FP_INT(height)), FP_INT(fps));
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y_bw = fp_div(y_bw, FP_INT(1000000));
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y_bw = fp_div(y_bw, FP_INT(bps(1)));
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ref_y_read_factor = fp_div(FP_INT(search_range * 2), FP_INT(lcu_size));
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/* -1 for 1 less tile boundary penalty */
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ref_y_read_factor = (num_tiles - 1) * 2;
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ref_y_read_factor = fp_div(fp_mult(FP_INT(ref_y_read_factor),
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FP_INT(search_range_h)), FP_INT(width));
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ref_y_read_factor = ref_y_read_factor + FP_INT(1);
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rest_factor = FP_INT(bitrate) + fp_div(FP_INT(bitrate), FP_INT(8));
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rest_factor = fp_div(rest_factor, y_bw);
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total_read_factor = fp_div(rest_factor, FP_INT(2)) +
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fp_div(lb_factor, FP_INT(2));
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total_read_factor = total_read_factor + orig_read_factor +
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ref_y_read_factor + ref_c_read_factor;
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total_write_factor = fp_div(rest_factor, FP_INT(2)) +
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fp_div(lb_factor, FP_INT(2));
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total_write_factor = total_write_factor + recon_write_factor;
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total_factor = total_read_factor + total_write_factor;
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orig_read = fp_mult(y_bw, orig_read_factor);
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recon_write = fp_mult(y_bw, recon_write_factor);
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ref_y_read = fp_mult(y_bw, ref_y_read_factor);
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ref_c_read = fp_mult(y_bw, ref_c_read_factor);
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lb_read = fp_div(fp_mult(y_bw, lb_factor), FP_INT(2));
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lb_write = lb_read;
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bse_read = fp_mult(y_bw, fp_div(rest_factor, FP_INT(2)));
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bse_write = bse_read;
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bse_lb_read = fp_div(FP_INT(16 * fps * lcu_per_frame),
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FP_INT(bps(1)));
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bse_lb_write = bse_lb_read;
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collocated_read = fp_div(FP_INT(lcu_per_frame *
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collocated_bytes_per_lcu * fps), FP_INT(bps(1)));
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collocated_write = collocated_read;
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bitstream_read = fp_mult(fp_div(FP_INT(bitrate), FP_INT(8)),
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FP_INT(bins_to_bit_factor));
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bitstream_write = fp_div(FP_INT(bitrate), FP_INT(8));
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bitstream_write = bitstream_write + bitstream_read;
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total_read = orig_read + ref_y_read + ref_c_read +
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lb_read + bse_read;
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total_write = recon_write + lb_write + bse_write;
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bse_lb_read + collocated_read + bitstream_read;
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total_write = recon_write + bse_lb_write +
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collocated_write + bitstream_write;
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total = total_read + total_write;
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total = fp_mult(total, overhead_factor);
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@ -101,20 +109,21 @@ static unsigned long __calculate_encoder(struct vidc_bus_vote_data *d)
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{"fps", "%d", fps},
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{"bitrate (Mbit/sec)", "%lu", bitrate},
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{"lcu size", "%d", lcu_size},
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{"collocated byter per lcu", "%d", collocated_bytes_per_lcu},
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{"horizontal search range", "%d", search_range_h},
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{"vertical search range", "%d", search_range_v},
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{"bins to bit factor", "%d", bins_to_bit_factor},
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{"DERIVED PARAMETERS", "", DUMP_HEADER_MAGIC},
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{"lcu/frame", "%d", lcu_per_frame},
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{"vertical tile size", "%d", vertical_tile_size},
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{"number of tiles", "%d", num_tiles},
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{"Y BW", DUMP_FP_FMT, y_bw},
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{"search range", "%d", search_range},
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{"original read factor", DUMP_FP_FMT, orig_read_factor},
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{"recon write factor", DUMP_FP_FMT, recon_write_factor},
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{"ref read Y factor", DUMP_FP_FMT, ref_y_read_factor},
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{"ref read C factor", DUMP_FP_FMT, ref_c_read_factor},
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{"lb factor", DUMP_FP_FMT, lb_factor},
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{"rest factor", DUMP_FP_FMT, rest_factor},
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{"total_read_factor", DUMP_FP_FMT, total_read_factor},
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{"total_write_factor", DUMP_FP_FMT, total_write_factor},
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{"total_factor", DUMP_FP_FMT, total_factor},
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{"overhead_factor", DUMP_FP_FMT, overhead_factor},
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{"INTERMEDIATE B/W DDR", "", DUMP_HEADER_MAGIC},
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@ -122,10 +131,12 @@ static unsigned long __calculate_encoder(struct vidc_bus_vote_data *d)
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{"recon write", DUMP_FP_FMT, recon_write},
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{"ref read Y", DUMP_FP_FMT, ref_y_read},
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{"ref read C", DUMP_FP_FMT, ref_c_read},
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{"lb read", DUMP_FP_FMT, lb_read},
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{"lb write", DUMP_FP_FMT, lb_write},
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{"bse read", DUMP_FP_FMT, bse_read},
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{"bse write", DUMP_FP_FMT, bse_write},
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{"BSE lb read", DUMP_FP_FMT, bse_lb_read},
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{"BSE lb write", DUMP_FP_FMT, bse_lb_write},
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{"collocated read", DUMP_FP_FMT, collocated_read},
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{"collocated write", DUMP_FP_FMT, collocated_write},
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{"bitstream read", DUMP_FP_FMT, bitstream_read},
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{"bitstream write", DUMP_FP_FMT, bitstream_write},
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{"total read", DUMP_FP_FMT, total_read},
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{"total write", DUMP_FP_FMT, total_write},
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{"total", DUMP_FP_FMT, total},
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@ -142,24 +153,24 @@ static unsigned long __calculate_encoder(struct vidc_bus_vote_data *d)
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static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d)
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{
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/* Decoder parameters */
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int width, height, fps, bitrate, lcu_size;
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int width, height, fps, bitrate, lcu_size,
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lcu_per_frame, collocated_bytes_per_lcu,
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motion_complexity;
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/* Derived parameters */
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int lcu_per_frame, motion_complexity;
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unsigned int bins_to_bits_factor, vsp_read_factor;
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fp_t y_bw;
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bool is_h264_category = true;
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fp_t recon_write_factor, ref_read_factor, lb_factor,
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rest_factor, opb_factor,
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total_read_factor, total_write_factor,
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total_factor, overhead_factor;
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fp_t recon_write_factor, ref_read_factor,
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opb_factor, overhead_factor;
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/* Output parameters */
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fp_t opb_write, recon_write,
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ref_read,
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lb_read, lb_write,
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bse_read, bse_write,
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total_read, total_write,
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total;
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ref_read,
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bse_lb_read, bse_lb_write,
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collocated_read, collocated_write,
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bitstream_read, bitstream_write,
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total_read, total_write,
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total;
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unsigned long ret = 0;
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@ -167,8 +178,9 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d)
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overhead_factor = FP(1, 3, 100);
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recon_write_factor = FP(1, 50, 100); /* L + C */
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opb_factor = FP(1, 50, 100); /* L + C */
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lb_factor = FP(1, 13, 100); /* Worst case : H264 1080p = 1.125 */
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motion_complexity = 5; /* worst case complexity */
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bins_to_bits_factor = 4;
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vsp_read_factor = 6;
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fps = d->fps;
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width = max(d->output_width, BASELINE_DIMENSIONS.width);
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@ -188,35 +200,42 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d)
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is_h264_category = false;
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}
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collocated_bytes_per_lcu = lcu_size == 16 ? 16 :
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lcu_size == 32 ? 64 : 256;
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y_bw = fp_mult(fp_mult(FP_INT(width), FP_INT(height)), FP_INT(fps));
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y_bw = fp_div(y_bw, FP_INT(1000000));
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y_bw = fp_div(y_bw, FP_INT(bps(1)));
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ref_read_factor = FP(1, 50, 100); /* L + C */
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ref_read_factor = fp_mult(ref_read_factor, FP_INT(motion_complexity));
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rest_factor = FP_INT(bitrate) + fp_div(FP_INT(bitrate), FP_INT(8));
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rest_factor = fp_div(rest_factor, y_bw);
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total_read_factor = fp_div(rest_factor, FP_INT(2)) +
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fp_div(lb_factor, FP_INT(2));
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total_read_factor = total_read_factor + ref_read_factor;
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total_write_factor = fp_div(rest_factor, FP_INT(2));
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total_write_factor = total_write_factor +
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recon_write_factor + opb_factor;
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total_factor = total_read_factor + total_write_factor;
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recon_write = fp_mult(y_bw, recon_write_factor);
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ref_read = fp_mult(y_bw, ref_read_factor);
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lb_read = fp_div(fp_mult(y_bw, lb_factor), FP_INT(2));
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lb_write = lb_read;
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bse_read = fp_div(fp_mult(y_bw, rest_factor), FP_INT(2));
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bse_write = bse_read;
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if (d->codec == HAL_VIDEO_CODEC_HEVC)
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bse_lb_read = FP_INT(lcu_size == 32 ? 64 :
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lcu_size == 16 ? 32 : 128);
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else
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bse_lb_read = FP_INT(128);
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bse_lb_read = fp_div(fp_mult(FP_INT(lcu_per_frame * fps), bse_lb_read),
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FP_INT(bps(1)));
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bse_lb_write = bse_lb_read;
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collocated_read = fp_div(FP_INT(lcu_per_frame *
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collocated_bytes_per_lcu * fps), FP_INT(bps(1)));
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collocated_write = collocated_read;
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bitstream_read = fp_mult(fp_div(FP_INT(bitrate), FP_INT(8)),
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FP_INT(vsp_read_factor));
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bitstream_write = fp_mult(fp_div(FP_INT(bitrate), FP_INT(8)),
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FP_INT(bins_to_bits_factor));
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opb_write = fp_mult(y_bw, opb_factor);
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total_read = ref_read + lb_read + bse_read;
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total_write = recon_write + lb_write + bse_write + opb_write;
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total_read = ref_read + bse_lb_read + collocated_read +
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bitstream_read;
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total_write = recon_write + bse_lb_write + bitstream_write +
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opb_write;
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total = total_read + total_write;
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total = fp_mult(total, overhead_factor);
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@ -229,28 +248,28 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d)
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{"fps", "%d", fps},
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{"bitrate (Mbit/sec)", "%lu", bitrate},
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{"lcu size", "%d", lcu_size},
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{"collocated byter per lcu", "%d", collocated_bytes_per_lcu},
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{"vsp read factor", "%d", vsp_read_factor},
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{"bins to bits factor", "%d", bins_to_bits_factor},
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{"motion complexity", "%d", motion_complexity},
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{"DERIVED PARAMETERS", "", DUMP_HEADER_MAGIC},
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{"lcu/frame", "%d", lcu_per_frame},
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{"Y BW", DUMP_FP_FMT, y_bw},
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{"motion complexity", "%d", motion_complexity},
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{"recon write factor", DUMP_FP_FMT, recon_write_factor},
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{"ref_read_factor", DUMP_FP_FMT, ref_read_factor},
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{"lb factor", DUMP_FP_FMT, lb_factor},
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{"rest factor", DUMP_FP_FMT, rest_factor},
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{"opb factor", DUMP_FP_FMT, opb_factor},
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{"total_read_factor", DUMP_FP_FMT, total_read_factor},
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{"total_write_factor", DUMP_FP_FMT, total_write_factor},
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{"total_factor", DUMP_FP_FMT, total_factor},
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{"overhead_factor", DUMP_FP_FMT, overhead_factor},
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{"INTERMEDIATE B/W DDR", "", DUMP_HEADER_MAGIC},
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{"recon write", DUMP_FP_FMT, recon_write},
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{"ref read", DUMP_FP_FMT, ref_read},
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{"lb read", DUMP_FP_FMT, lb_read},
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{"lb write", DUMP_FP_FMT, lb_write},
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{"bse read", DUMP_FP_FMT, bse_read},
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{"bse write", DUMP_FP_FMT, bse_write},
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{"BSE lb read", DUMP_FP_FMT, bse_lb_read},
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{"BSE lb write", DUMP_FP_FMT, bse_lb_write},
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{"collocated read", DUMP_FP_FMT, collocated_read},
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{"collocated write", DUMP_FP_FMT, collocated_write},
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{"bitstream read", DUMP_FP_FMT, bitstream_read},
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{"bitstream write", DUMP_FP_FMT, bitstream_write},
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{"opb write", DUMP_FP_FMT, opb_write},
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{"total read", DUMP_FP_FMT, total_read},
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{"total write", DUMP_FP_FMT, total_write},
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