Line data Source code
1 : /*
2 : * Copyright 2021 Advanced Micro Devices, Inc.
3 : *
4 : * Permission is hereby granted, free of charge, to any person obtaining a
5 : * copy of this software and associated documentation files (the "Software"),
6 : * to deal in the Software without restriction, including without limitation
7 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 : * and/or sell copies of the Software, and to permit persons to whom the
9 : * Software is furnished to do so, subject to the following conditions:
10 : *
11 : * The above copyright notice and this permission notice shall be included in
12 : * all copies or substantial portions of the Software.
13 : *
14 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 : * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 : * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 : * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 : * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 : * OTHER DEALINGS IN THE SOFTWARE.
21 : *
22 : * Authors: AMD
23 : *
24 : */
25 :
26 : #include "rc_calc_fpu.h"
27 :
28 : #include "qp_tables.h"
29 : #include "amdgpu_dm/dc_fpu.h"
30 :
31 : #define table_hash(mode, bpc, max_min) ((mode << 16) | (bpc << 8) | max_min)
32 :
33 : #define MODE_SELECT(val444, val422, val420) \
34 : (cm == CM_444 || cm == CM_RGB) ? (val444) : (cm == CM_422 ? (val422) : (val420))
35 :
36 :
37 : #define TABLE_CASE(mode, bpc, max) case (table_hash(mode, BPC_##bpc, max)): \
38 : table = qp_table_##mode##_##bpc##bpc_##max; \
39 : table_size = sizeof(qp_table_##mode##_##bpc##bpc_##max)/sizeof(*qp_table_##mode##_##bpc##bpc_##max); \
40 : break
41 :
42 : static int median3(int a, int b, int c)
43 : {
44 0 : if (a > b)
45 0 : swap(a, b);
46 0 : if (b > c)
47 0 : swap(b, c);
48 0 : if (a > b)
49 0 : swap(b, c);
50 :
51 : return b;
52 : }
53 :
54 : static double dsc_roundf(double num)
55 : {
56 0 : if (num < 0.0)
57 0 : num = num - 0.5;
58 : else
59 0 : num = num + 0.5;
60 :
61 0 : return (int)(num);
62 : }
63 :
64 0 : static void get_qp_set(qp_set qps, enum colour_mode cm, enum bits_per_comp bpc,
65 : enum max_min max_min, float bpp)
66 : {
67 0 : int mode = MODE_SELECT(444, 422, 420);
68 0 : int sel = table_hash(mode, bpc, max_min);
69 0 : int table_size = 0;
70 : int index;
71 0 : const struct qp_entry *table = NULL;
72 :
73 : // alias enum
74 : enum { min = DAL_MM_MIN, max = DAL_MM_MAX };
75 0 : switch (sel) {
76 0 : TABLE_CASE(444, 8, max);
77 0 : TABLE_CASE(444, 8, min);
78 0 : TABLE_CASE(444, 10, max);
79 0 : TABLE_CASE(444, 10, min);
80 0 : TABLE_CASE(444, 12, max);
81 0 : TABLE_CASE(444, 12, min);
82 0 : TABLE_CASE(422, 8, max);
83 0 : TABLE_CASE(422, 8, min);
84 0 : TABLE_CASE(422, 10, max);
85 0 : TABLE_CASE(422, 10, min);
86 0 : TABLE_CASE(422, 12, max);
87 0 : TABLE_CASE(422, 12, min);
88 0 : TABLE_CASE(420, 8, max);
89 0 : TABLE_CASE(420, 8, min);
90 0 : TABLE_CASE(420, 10, max);
91 0 : TABLE_CASE(420, 10, min);
92 0 : TABLE_CASE(420, 12, max);
93 0 : TABLE_CASE(420, 12, min);
94 : }
95 :
96 0 : if (!table)
97 : return;
98 :
99 0 : index = (bpp - table[0].bpp) * 2;
100 :
101 : /* requested size is bigger than the table */
102 0 : if (index >= table_size) {
103 0 : dm_error("ERROR: Requested rc_calc to find a bpp entry that exceeds the table size\n");
104 0 : return;
105 : }
106 :
107 0 : memcpy(qps, table[index].qps, sizeof(qp_set));
108 : }
109 :
110 0 : static void get_ofs_set(qp_set ofs, enum colour_mode mode, float bpp)
111 : {
112 0 : int *p = ofs;
113 :
114 0 : if (mode == CM_444 || mode == CM_RGB) {
115 0 : *p++ = (bpp <= 6) ? (0) : ((((bpp >= 8) && (bpp <= 12))) ? (2) : ((bpp >= 15) ? (10) : ((((bpp > 6) && (bpp < 8))) ? (0 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (2 + dsc_roundf((bpp - 12) * (8 / 3.0))))));
116 0 : *p++ = (bpp <= 6) ? (-2) : ((((bpp >= 8) && (bpp <= 12))) ? (0) : ((bpp >= 15) ? (8) : ((((bpp > 6) && (bpp < 8))) ? (-2 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (0 + dsc_roundf((bpp - 12) * (8 / 3.0))))));
117 0 : *p++ = (bpp <= 6) ? (-2) : ((((bpp >= 8) && (bpp <= 12))) ? (0) : ((bpp >= 15) ? (6) : ((((bpp > 6) && (bpp < 8))) ? (-2 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (0 + dsc_roundf((bpp - 12) * (6 / 3.0))))));
118 0 : *p++ = (bpp <= 6) ? (-4) : ((((bpp >= 8) && (bpp <= 12))) ? (-2) : ((bpp >= 15) ? (4) : ((((bpp > 6) && (bpp < 8))) ? (-4 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (-2 + dsc_roundf((bpp - 12) * (6 / 3.0))))));
119 0 : *p++ = (bpp <= 6) ? (-6) : ((((bpp >= 8) && (bpp <= 12))) ? (-4) : ((bpp >= 15) ? (2) : ((((bpp > 6) && (bpp < 8))) ? (-6 + dsc_roundf((bpp - 6) * (2 / 2.0))) : (-4 + dsc_roundf((bpp - 12) * (6 / 3.0))))));
120 0 : *p++ = (bpp <= 12) ? (-6) : ((bpp >= 15) ? (0) : (-6 + dsc_roundf((bpp - 12) * (6 / 3.0))));
121 0 : *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-2) : (-8 + dsc_roundf((bpp - 12) * (6 / 3.0))));
122 0 : *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-4) : (-8 + dsc_roundf((bpp - 12) * (4 / 3.0))));
123 0 : *p++ = (bpp <= 12) ? (-8) : ((bpp >= 15) ? (-6) : (-8 + dsc_roundf((bpp - 12) * (2 / 3.0))));
124 0 : *p++ = (bpp <= 12) ? (-10) : ((bpp >= 15) ? (-8) : (-10 + dsc_roundf((bpp - 12) * (2 / 3.0))));
125 0 : *p++ = -10;
126 0 : *p++ = (bpp <= 6) ? (-12) : ((bpp >= 8) ? (-10) : (-12 + dsc_roundf((bpp - 6) * (2 / 2.0))));
127 0 : *p++ = -12;
128 0 : *p++ = -12;
129 0 : *p++ = -12;
130 0 : } else if (mode == CM_422) {
131 0 : *p++ = (bpp <= 8) ? (2) : ((bpp >= 10) ? (10) : (2 + dsc_roundf((bpp - 8) * (8 / 2.0))));
132 0 : *p++ = (bpp <= 8) ? (0) : ((bpp >= 10) ? (8) : (0 + dsc_roundf((bpp - 8) * (8 / 2.0))));
133 0 : *p++ = (bpp <= 8) ? (0) : ((bpp >= 10) ? (6) : (0 + dsc_roundf((bpp - 8) * (6 / 2.0))));
134 0 : *p++ = (bpp <= 8) ? (-2) : ((bpp >= 10) ? (4) : (-2 + dsc_roundf((bpp - 8) * (6 / 2.0))));
135 0 : *p++ = (bpp <= 8) ? (-4) : ((bpp >= 10) ? (2) : (-4 + dsc_roundf((bpp - 8) * (6 / 2.0))));
136 0 : *p++ = (bpp <= 8) ? (-6) : ((bpp >= 10) ? (0) : (-6 + dsc_roundf((bpp - 8) * (6 / 2.0))));
137 0 : *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-2) : (-8 + dsc_roundf((bpp - 8) * (6 / 2.0))));
138 0 : *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-4) : (-8 + dsc_roundf((bpp - 8) * (4 / 2.0))));
139 0 : *p++ = (bpp <= 8) ? (-8) : ((bpp >= 10) ? (-6) : (-8 + dsc_roundf((bpp - 8) * (2 / 2.0))));
140 0 : *p++ = (bpp <= 8) ? (-10) : ((bpp >= 10) ? (-8) : (-10 + dsc_roundf((bpp - 8) * (2 / 2.0))));
141 0 : *p++ = -10;
142 0 : *p++ = (bpp <= 6) ? (-12) : ((bpp >= 7) ? (-10) : (-12 + dsc_roundf((bpp - 6) * (2.0 / 1))));
143 0 : *p++ = -12;
144 0 : *p++ = -12;
145 0 : *p++ = -12;
146 : } else {
147 0 : *p++ = (bpp <= 6) ? (2) : ((bpp >= 8) ? (10) : (2 + dsc_roundf((bpp - 6) * (8 / 2.0))));
148 0 : *p++ = (bpp <= 6) ? (0) : ((bpp >= 8) ? (8) : (0 + dsc_roundf((bpp - 6) * (8 / 2.0))));
149 0 : *p++ = (bpp <= 6) ? (0) : ((bpp >= 8) ? (6) : (0 + dsc_roundf((bpp - 6) * (6 / 2.0))));
150 0 : *p++ = (bpp <= 6) ? (-2) : ((bpp >= 8) ? (4) : (-2 + dsc_roundf((bpp - 6) * (6 / 2.0))));
151 0 : *p++ = (bpp <= 6) ? (-4) : ((bpp >= 8) ? (2) : (-4 + dsc_roundf((bpp - 6) * (6 / 2.0))));
152 0 : *p++ = (bpp <= 6) ? (-6) : ((bpp >= 8) ? (0) : (-6 + dsc_roundf((bpp - 6) * (6 / 2.0))));
153 0 : *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-2) : (-8 + dsc_roundf((bpp - 6) * (6 / 2.0))));
154 0 : *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-4) : (-8 + dsc_roundf((bpp - 6) * (4 / 2.0))));
155 0 : *p++ = (bpp <= 6) ? (-8) : ((bpp >= 8) ? (-6) : (-8 + dsc_roundf((bpp - 6) * (2 / 2.0))));
156 0 : *p++ = (bpp <= 6) ? (-10) : ((bpp >= 8) ? (-8) : (-10 + dsc_roundf((bpp - 6) * (2 / 2.0))));
157 0 : *p++ = -10;
158 0 : *p++ = (bpp <= 4) ? (-12) : ((bpp >= 5) ? (-10) : (-12 + dsc_roundf((bpp - 4) * (2 / 1.0))));
159 0 : *p++ = -12;
160 0 : *p++ = -12;
161 0 : *p++ = -12;
162 : }
163 0 : }
164 :
165 0 : void _do_calc_rc_params(struct rc_params *rc,
166 : enum colour_mode cm,
167 : enum bits_per_comp bpc,
168 : u16 drm_bpp,
169 : bool is_navite_422_or_420,
170 : int slice_width,
171 : int slice_height,
172 : int minor_version)
173 : {
174 : float bpp;
175 : float bpp_group;
176 : float initial_xmit_delay_factor;
177 : int padding_pixels;
178 : int i;
179 :
180 0 : dc_assert_fp_enabled();
181 :
182 0 : bpp = ((float)drm_bpp / 16.0);
183 : /* in native_422 or native_420 modes, the bits_per_pixel is double the
184 : * target bpp (the latter is what calc_rc_params expects)
185 : */
186 0 : if (is_navite_422_or_420)
187 0 : bpp /= 2.0;
188 :
189 0 : rc->rc_quant_incr_limit0 = ((bpc == BPC_8) ? 11 : (bpc == BPC_10 ? 15 : 19)) - ((minor_version == 1 && cm == CM_444) ? 1 : 0);
190 0 : rc->rc_quant_incr_limit1 = ((bpc == BPC_8) ? 11 : (bpc == BPC_10 ? 15 : 19)) - ((minor_version == 1 && cm == CM_444) ? 1 : 0);
191 :
192 0 : bpp_group = MODE_SELECT(bpp, bpp * 2.0, bpp * 2.0);
193 :
194 0 : switch (cm) {
195 : case CM_420:
196 0 : rc->initial_fullness_offset = (bpp >= 6) ? (2048) : ((bpp <= 4) ? (6144) : ((((bpp > 4) && (bpp <= 5))) ? (6144 - dsc_roundf((bpp - 4) * (512))) : (5632 - dsc_roundf((bpp - 5) * (3584)))));
197 0 : rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)((3 * bpc * 3) - (3 * bpp_group)));
198 0 : rc->second_line_bpg_offset = median3(0, 12, (int)((3 * bpc * 3) - (3 * bpp_group)));
199 0 : break;
200 : case CM_422:
201 0 : rc->initial_fullness_offset = (bpp >= 8) ? (2048) : ((bpp <= 7) ? (5632) : (5632 - dsc_roundf((bpp - 7) * (3584))));
202 0 : rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)((3 * bpc * 4) - (3 * bpp_group)));
203 0 : rc->second_line_bpg_offset = 0;
204 0 : break;
205 : case CM_444:
206 : case CM_RGB:
207 0 : rc->initial_fullness_offset = (bpp >= 12) ? (2048) : ((bpp <= 8) ? (6144) : ((((bpp > 8) && (bpp <= 10))) ? (6144 - dsc_roundf((bpp - 8) * (512 / 2))) : (5632 - dsc_roundf((bpp - 10) * (3584 / 2)))));
208 0 : rc->first_line_bpg_offset = median3(0, (12 + (int) (0.09 * min(34, slice_height - 8))), (int)(((3 * bpc + (cm == CM_444 ? 0 : 2)) * 3) - (3 * bpp_group)));
209 0 : rc->second_line_bpg_offset = 0;
210 0 : break;
211 : }
212 :
213 0 : initial_xmit_delay_factor = (cm == CM_444 || cm == CM_RGB) ? 1.0 : 2.0;
214 0 : rc->initial_xmit_delay = dsc_roundf(8192.0/2.0/bpp/initial_xmit_delay_factor);
215 :
216 0 : if (cm == CM_422 || cm == CM_420)
217 0 : slice_width /= 2;
218 :
219 0 : padding_pixels = ((slice_width % 3) != 0) ? (3 - (slice_width % 3)) * (rc->initial_xmit_delay / slice_width) : 0;
220 0 : if (3 * bpp_group >= (((rc->initial_xmit_delay + 2) / 3) * (3 + (cm == CM_422)))) {
221 0 : if ((rc->initial_xmit_delay + padding_pixels) % 3 == 1)
222 0 : rc->initial_xmit_delay++;
223 : }
224 :
225 0 : rc->flatness_min_qp = ((bpc == BPC_8) ? (3) : ((bpc == BPC_10) ? (7) : (11))) - ((minor_version == 1 && cm == CM_444) ? 1 : 0);
226 0 : rc->flatness_max_qp = ((bpc == BPC_8) ? (12) : ((bpc == BPC_10) ? (16) : (20))) - ((minor_version == 1 && cm == CM_444) ? 1 : 0);
227 0 : rc->flatness_det_thresh = 2 << (bpc - 8);
228 :
229 0 : get_qp_set(rc->qp_min, cm, bpc, DAL_MM_MIN, bpp);
230 0 : get_qp_set(rc->qp_max, cm, bpc, DAL_MM_MAX, bpp);
231 0 : if (cm == CM_444 && minor_version == 1) {
232 0 : for (i = 0; i < QP_SET_SIZE; ++i) {
233 0 : rc->qp_min[i] = rc->qp_min[i] > 0 ? rc->qp_min[i] - 1 : 0;
234 0 : rc->qp_max[i] = rc->qp_max[i] > 0 ? rc->qp_max[i] - 1 : 0;
235 : }
236 : }
237 0 : get_ofs_set(rc->ofs, cm, bpp);
238 :
239 : /* fixed parameters */
240 0 : rc->rc_model_size = 8192;
241 0 : rc->rc_edge_factor = 6;
242 0 : rc->rc_tgt_offset_hi = 3;
243 0 : rc->rc_tgt_offset_lo = 3;
244 :
245 0 : rc->rc_buf_thresh[0] = 896;
246 0 : rc->rc_buf_thresh[1] = 1792;
247 0 : rc->rc_buf_thresh[2] = 2688;
248 0 : rc->rc_buf_thresh[3] = 3584;
249 0 : rc->rc_buf_thresh[4] = 4480;
250 0 : rc->rc_buf_thresh[5] = 5376;
251 0 : rc->rc_buf_thresh[6] = 6272;
252 0 : rc->rc_buf_thresh[7] = 6720;
253 0 : rc->rc_buf_thresh[8] = 7168;
254 0 : rc->rc_buf_thresh[9] = 7616;
255 0 : rc->rc_buf_thresh[10] = 7744;
256 0 : rc->rc_buf_thresh[11] = 7872;
257 0 : rc->rc_buf_thresh[12] = 8000;
258 0 : rc->rc_buf_thresh[13] = 8064;
259 0 : }
260 :
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