Bug Summary

File:dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
Warning:line 1317, column 2
Value stored to 'min_hratio_fact_c' is never read

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name display_rq_dlg_calc_30.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -target-feature +sse -target-feature +sse2 -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
1/*
2 * Copyright 2020 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 <generated/autoconf.h>
27
28#ifdef CONFIG_DRM_AMD_DC_DCN1
29
30#include "../display_mode_lib.h"
31#include "../display_mode_vba.h"
32#include "../dml_inline_defs.h"
33#include "display_rq_dlg_calc_30.h"
34#include "display_mode_vba_30.h"
35
36static bool_Bool is_dual_plane(enum source_format_class source_format)
37{
38 bool_Bool ret_val = 0;
39
40 if ((source_format == dm_420_12) || (source_format == dm_420_8) || (source_format == dm_420_10) || (source_format == dm_rgbe_alpha))
41 ret_val = 1;
42
43 return ret_val;
44}
45
46static double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
47 double refclk_freq_in_mhz,
48 double pclk_freq_in_mhz,
49 unsigned int odm_combine,
50 unsigned int recout_width,
51 unsigned int hactive,
52 double vratio,
53 double hscale_pixel_rate,
54 unsigned int delivery_width,
55 unsigned int req_per_swath_ub)
56{
57 double refcyc_per_delivery = 0.0;
58
59 if (vratio <= 1.0) {
60 if (odm_combine)
61 refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)((unsigned int)odm_combine*2)
62 * dml_min((double)recout_width, (double)hactive / ((unsigned int)odm_combine*2))
63 / pclk_freq_in_mhz / (double)req_per_swath_ub;
64 else
65 refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)recout_width
66 / pclk_freq_in_mhz / (double)req_per_swath_ub;
67 } else {
68 refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)delivery_width
69 / (double)hscale_pixel_rate / (double)req_per_swath_ub;
70 }
71
72 dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz){do { } while(0); };
73 dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz){do { } while(0); };
74 dml_print("DML_DLG: %s: recout_width = %d\n", __func__, recout_width){do { } while(0); };
75 dml_print("DML_DLG: %s: vratio = %3.2f\n", __func__, vratio){do { } while(0); };
76 dml_print("DML_DLG: %s: req_per_swath_ub = %d\n", __func__, req_per_swath_ub){do { } while(0); };
77 dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery){do { } while(0); };
78
79 return refcyc_per_delivery;
80
81}
82
83static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
84{
85 if (tile_size == dm_256k_tile)
86 return (256 * 1024);
87 else if (tile_size == dm_64k_tile)
88 return (64 * 1024);
89 else
90 return (4 * 1024);
91}
92
93static void extract_rq_sizing_regs(struct display_mode_lib *mode_lib,
94 display_data_rq_regs_st *rq_regs,
95 const display_data_rq_sizing_params_st *rq_sizing)
96{
97 dml_print("DML_DLG: %s: rq_sizing param\n", __func__){do { } while(0); };
98 print__data_rq_sizing_params_st(mode_lib, rq_sizing);
99
100 rq_regs->chunk_size = dml_log2(rq_sizing->chunk_bytes) - 10;
101
102 if (rq_sizing->min_chunk_bytes == 0)
103 rq_regs->min_chunk_size = 0;
104 else
105 rq_regs->min_chunk_size = dml_log2(rq_sizing->min_chunk_bytes) - 8 + 1;
106
107 rq_regs->meta_chunk_size = dml_log2(rq_sizing->meta_chunk_bytes) - 10;
108 if (rq_sizing->min_meta_chunk_bytes == 0)
109 rq_regs->min_meta_chunk_size = 0;
110 else
111 rq_regs->min_meta_chunk_size = dml_log2(rq_sizing->min_meta_chunk_bytes) - 6 + 1;
112
113 rq_regs->dpte_group_size = dml_log2(rq_sizing->dpte_group_bytes) - 6;
114 rq_regs->mpte_group_size = dml_log2(rq_sizing->mpte_group_bytes) - 6;
115}
116
117static void extract_rq_regs(struct display_mode_lib *mode_lib,
118 display_rq_regs_st *rq_regs,
119 const display_rq_params_st *rq_param)
120{
121 unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
122 unsigned int detile_buf_plane1_addr = 0;
123
124 extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), &rq_param->sizing.rq_l);
125
126 rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_l.dpte_row_height),
127 1) - 3;
128
129 if (rq_param->yuv420) {
130 extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), &rq_param->sizing.rq_c);
131 rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_c.dpte_row_height),
132 1) - 3;
133 }
134
135 rq_regs->rq_regs_l.swath_height = dml_log2(rq_param->dlg.rq_l.swath_height);
136 rq_regs->rq_regs_c.swath_height = dml_log2(rq_param->dlg.rq_c.swath_height);
137
138 // FIXME: take the max between luma, chroma chunk size?
139 // okay for now, as we are setting chunk_bytes to 8kb anyways
140 if (rq_param->sizing.rq_l.chunk_bytes >= 32 * 1024 || (rq_param->yuv420 && rq_param->sizing.rq_c.chunk_bytes >= 32 * 1024)) { //32kb
141 rq_regs->drq_expansion_mode = 0;
142 } else {
143 rq_regs->drq_expansion_mode = 2;
144 }
145 rq_regs->prq_expansion_mode = 1;
146 rq_regs->mrq_expansion_mode = 1;
147 rq_regs->crq_expansion_mode = 1;
148
149 if (rq_param->yuv420) {
150 if ((double)rq_param->misc.rq_l.stored_swath_bytes
151 / (double)rq_param->misc.rq_c.stored_swath_bytes <= 1.5) {
152 detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); // half to chroma
153 } else {
154 detile_buf_plane1_addr = dml_round_to_multiple((unsigned int)((2.0 * detile_buf_size_in_bytes) / 3.0),
155 256,
156 0) / 64.0; // 2/3 to chroma
157 }
158 }
159 rq_regs->plane1_base_address = detile_buf_plane1_addr;
160}
161
162static void handle_det_buf_split(struct display_mode_lib *mode_lib,
163 display_rq_params_st *rq_param,
164 const display_pipe_source_params_st *pipe_src_param)
165{
166 unsigned int total_swath_bytes = 0;
167 unsigned int swath_bytes_l = 0;
168 unsigned int swath_bytes_c = 0;
169 unsigned int full_swath_bytes_packed_l = 0;
170 unsigned int full_swath_bytes_packed_c = 0;
171 bool_Bool req128_l = false0;
172 bool_Bool req128_c = false0;
173 bool_Bool surf_linear = (pipe_src_param->sw_mode == dm_sw_linear);
174 bool_Bool surf_vert = (pipe_src_param->source_scan == dm_vert);
175 unsigned int log2_swath_height_l = 0;
176 unsigned int log2_swath_height_c = 0;
177 unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
178
179 full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
180 full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
181
182 if (rq_param->yuv420_10bpc) {
183 full_swath_bytes_packed_l = dml_round_to_multiple(rq_param->misc.rq_l.full_swath_bytes * 2.0 / 3.0,
184 256,
185 1) + 256;
186 full_swath_bytes_packed_c = dml_round_to_multiple(rq_param->misc.rq_c.full_swath_bytes * 2.0 / 3.0,
187 256,
188 1) + 256;
189 }
190
191 if (rq_param->yuv420)
192 total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
193 else
194 total_swath_bytes = 2 * full_swath_bytes_packed_l;
195
196 if (total_swath_bytes <= detile_buf_size_in_bytes) { //full 256b request
197 req128_l = false0;
198 req128_c = false0;
199 swath_bytes_l = full_swath_bytes_packed_l;
200 swath_bytes_c = full_swath_bytes_packed_c;
201 } else if (!rq_param->yuv420) {
202 req128_l = true1;
203 req128_c = false0;
204 swath_bytes_c = full_swath_bytes_packed_c;
205 swath_bytes_l = full_swath_bytes_packed_l / 2;
206 } else if ((double)full_swath_bytes_packed_l / (double)full_swath_bytes_packed_c < 1.5) {
207 req128_l = false0;
208 req128_c = true1;
209 swath_bytes_l = full_swath_bytes_packed_l;
210 swath_bytes_c = full_swath_bytes_packed_c / 2;
211
212 total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
213
214 if (total_swath_bytes > detile_buf_size_in_bytes) {
215 req128_l = true1;
216 swath_bytes_l = full_swath_bytes_packed_l / 2;
217 }
218 } else {
219 req128_l = true1;
220 req128_c = false0;
221 swath_bytes_l = full_swath_bytes_packed_l/2;
222 swath_bytes_c = full_swath_bytes_packed_c;
223
224 total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
225
226 if (total_swath_bytes > detile_buf_size_in_bytes) {
227 req128_c = true1;
228 swath_bytes_c = full_swath_bytes_packed_c/2;
229 }
230 }
231
232 if (rq_param->yuv420)
233 total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
234 else
235 total_swath_bytes = 2 * swath_bytes_l;
236
237 rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
238 rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
239
240 if (surf_linear) {
241 log2_swath_height_l = 0;
242 log2_swath_height_c = 0;
243 } else {
244 unsigned int swath_height_l;
245 unsigned int swath_height_c;
246
247 if (!surf_vert) {
248 swath_height_l = rq_param->misc.rq_l.blk256_height;
249 swath_height_c = rq_param->misc.rq_c.blk256_height;
250 } else {
251 swath_height_l = rq_param->misc.rq_l.blk256_width;
252 swath_height_c = rq_param->misc.rq_c.blk256_width;
253 }
254
255 if (swath_height_l > 0)
256 log2_swath_height_l = dml_log2(swath_height_l);
257
258 if (req128_l && log2_swath_height_l > 0)
259 log2_swath_height_l -= 1;
260
261 if (swath_height_c > 0)
262 log2_swath_height_c = dml_log2(swath_height_c);
263
264 if (req128_c && log2_swath_height_c > 0)
265 log2_swath_height_c -= 1;
266 }
267
268 rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
269 rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
270
271 dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l){do { } while(0); };
272 dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c){do { } while(0); };
273 dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",{do { } while(0); }
274 __func__,{do { } while(0); }
275 full_swath_bytes_packed_l){do { } while(0); };
276 dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",{do { } while(0); }
277 __func__,{do { } while(0); }
278 full_swath_bytes_packed_c){do { } while(0); };
279}
280
281static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
282 display_data_rq_dlg_params_st *rq_dlg_param,
283 display_data_rq_misc_params_st *rq_misc_param,
284 display_data_rq_sizing_params_st *rq_sizing_param,
285 unsigned int vp_width,
286 unsigned int vp_height,
287 unsigned int data_pitch,
288 unsigned int meta_pitch,
289 unsigned int source_format,
290 unsigned int tiling,
291 unsigned int macro_tile_size,
292 unsigned int source_scan,
293 unsigned int hostvm_enable,
294 unsigned int is_chroma,
295 unsigned int surface_height)
296{
297 bool_Bool surf_linear = (tiling == dm_sw_linear);
298 bool_Bool surf_vert = (source_scan == dm_vert);
299
300 unsigned int bytes_per_element = 0;
301 unsigned int bytes_per_element_y = 0;
302 unsigned int bytes_per_element_c = 0;
303
304 unsigned int blk256_width = 0;
305 unsigned int blk256_height = 0;
306
307 unsigned int blk256_width_y = 0;
308 unsigned int blk256_height_y = 0;
309 unsigned int blk256_width_c = 0;
310 unsigned int blk256_height_c = 0;
311 unsigned int log2_bytes_per_element = 0;
312 unsigned int log2_blk256_width = 0;
313 unsigned int log2_blk256_height = 0;
314 unsigned int blk_bytes = 0;
315 unsigned int log2_blk_bytes = 0;
316 unsigned int log2_blk_height = 0;
317 unsigned int log2_blk_width = 0;
318 unsigned int log2_meta_req_bytes = 0;
319 unsigned int log2_meta_req_height = 0;
320 unsigned int log2_meta_req_width = 0;
321 unsigned int meta_req_width = 0;
322 unsigned int meta_req_height = 0;
323 unsigned int log2_meta_row_height = 0;
324 unsigned int meta_row_width_ub = 0;
325 unsigned int log2_meta_chunk_bytes = 0;
326 unsigned int log2_meta_chunk_height = 0;
327
328 //full sized meta chunk width in unit of data elements
329 unsigned int log2_meta_chunk_width = 0;
330 unsigned int log2_min_meta_chunk_bytes = 0;
331 unsigned int min_meta_chunk_width = 0;
332 unsigned int meta_chunk_width = 0;
333 unsigned int meta_chunk_per_row_int = 0;
334 unsigned int meta_row_remainder = 0;
335 unsigned int meta_chunk_threshold = 0;
336 unsigned int meta_blk_bytes = 0;
337 unsigned int meta_blk_height = 0;
338 unsigned int meta_blk_width = 0;
339 unsigned int meta_surface_bytes = 0;
340 unsigned int vmpg_bytes = 0;
341 unsigned int meta_pte_req_per_frame_ub = 0;
342 unsigned int meta_pte_bytes_per_frame_ub = 0;
343 const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.gpuvm_min_page_size_bytes);
344 const bool_Bool dual_plane_en = is_dual_plane((enum source_format_class)(source_format));
345 const unsigned int dpte_buf_in_pte_reqs = dual_plane_en ?
346 (is_chroma ? mode_lib->ip.dpte_buffer_size_in_pte_reqs_chroma : mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma)
347 : (mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma + mode_lib->ip.dpte_buffer_size_in_pte_reqs_chroma);
348
349 unsigned int log2_vmpg_height = 0;
350 unsigned int log2_vmpg_width = 0;
351 unsigned int log2_dpte_req_height_ptes = 0;
352 unsigned int log2_dpte_req_height = 0;
353 unsigned int log2_dpte_req_width = 0;
354 unsigned int log2_dpte_row_height_linear = 0;
355 unsigned int log2_dpte_row_height = 0;
356 unsigned int log2_dpte_group_width = 0;
357 unsigned int dpte_row_width_ub = 0;
358 unsigned int dpte_req_height = 0;
359 unsigned int dpte_req_width = 0;
360 unsigned int dpte_group_width = 0;
361 unsigned int log2_dpte_group_bytes = 0;
362 unsigned int log2_dpte_group_length = 0;
363 double byte_per_pixel_det_y = 0;
364 double byte_per_pixel_det_c = 0;
365
366 dml30_CalculateBytePerPixelAnd256BBlockSizes((enum source_format_class)(source_format),
367 (enum dm_swizzle_mode)(tiling),
368 &bytes_per_element_y,
369 &bytes_per_element_c,
370 &byte_per_pixel_det_y,
371 &byte_per_pixel_det_c,
372 &blk256_height_y,
373 &blk256_height_c,
374 &blk256_width_y,
375 &blk256_width_c);
376
377 if (!is_chroma) {
378 blk256_width = blk256_width_y;
379 blk256_height = blk256_height_y;
380 bytes_per_element = bytes_per_element_y;
381 } else {
382 blk256_width = blk256_width_c;
383 blk256_height = blk256_height_c;
384 bytes_per_element = bytes_per_element_c;
385 }
386
387 log2_bytes_per_element = dml_log2(bytes_per_element);
388
389 dml_print("DML_DLG: %s: surf_linear = %d\n", __func__, surf_linear){do { } while(0); };
390 dml_print("DML_DLG: %s: surf_vert = %d\n", __func__, surf_vert){do { } while(0); };
391 dml_print("DML_DLG: %s: blk256_width = %d\n", __func__, blk256_width){do { } while(0); };
392 dml_print("DML_DLG: %s: blk256_height = %d\n", __func__, blk256_height){do { } while(0); };
393
394 log2_blk256_width = dml_log2((double)blk256_width);
395 log2_blk256_height = dml_log2((double)blk256_height);
396 blk_bytes = surf_linear ?
397 256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
398 log2_blk_bytes = dml_log2((double)blk_bytes);
399 log2_blk_height = 0;
400 log2_blk_width = 0;
401
402 // remember log rule
403 // "+" in log is multiply
404 // "-" in log is divide
405 // "/2" is like square root
406 // blk is vertical biased
407 if (tiling != dm_sw_linear)
408 log2_blk_height = log2_blk256_height
409 + dml_ceil((double)(log2_blk_bytes - 8) / 2.0, 1);
410 else
411 log2_blk_height = 0; // blk height of 1
412
413 log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
414
415 if (!surf_vert) {
416 int unsigned temp = 0;
417
418 temp = dml_round_to_multiple(vp_width - 1, blk256_width, 1) + blk256_width;
419 if (data_pitch < blk256_width) {
420 dml_print("WARNING: DML_DLG: %s: swath_size calculation ignoring data_pitch=%u < blk256_width=%u\n", __func__, data_pitch, blk256_width){do { } while(0); };
421 } else {
422 if (temp > data_pitch) {
423 if (data_pitch >= vp_width)
424 temp = data_pitch;
425 else
426 dml_print("WARNING: DML_DLG: %s: swath_size calculation ignoring data_pitch=%u < vp_width=%u\n", __func__, data_pitch, vp_width){do { } while(0); };
427 }
428 }
429 rq_dlg_param->swath_width_ub = temp;
430 rq_dlg_param->req_per_swath_ub = temp >> log2_blk256_width;
431 } else {
432 int unsigned temp = 0;
433
434 temp = dml_round_to_multiple(vp_height - 1, blk256_height, 1) + blk256_height;
435 if (surface_height < blk256_height) {
436 dml_print("WARNING: DML_DLG: %s swath_size calculation ignored surface_height=%u < blk256_height=%u\n", __func__, surface_height, blk256_height){do { } while(0); };
437 } else {
438 if (temp > surface_height) {
439 if (surface_height >= vp_height)
440 temp = surface_height;
441 else
442 dml_print("WARNING: DML_DLG: %s swath_size calculation ignored surface_height=%u < vp_height=%u\n", __func__, surface_height, vp_height){do { } while(0); };
443 }
444 }
445 rq_dlg_param->swath_width_ub = temp;
446 rq_dlg_param->req_per_swath_ub = temp >> log2_blk256_height;
447 }
448
449 if (!surf_vert)
450 rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
451 * bytes_per_element;
452 else
453 rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
454 * bytes_per_element;
455
456 rq_misc_param->blk256_height = blk256_height;
457 rq_misc_param->blk256_width = blk256_width;
458
459 // -------
460 // meta
461 // -------
462 log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
463
464 // each 64b meta request for dcn is 8x8 meta elements and
465 // a meta element covers one 256b block of the data surface.
466 log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
467 log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
468 - log2_meta_req_height;
469 meta_req_width = 1 << log2_meta_req_width;
470 meta_req_height = 1 << log2_meta_req_height;
471 log2_meta_row_height = 0;
472 meta_row_width_ub = 0;
473
474 // the dimensions of a meta row are meta_row_width x meta_row_height in elements.
475 // calculate upper bound of the meta_row_width
476 if (!surf_vert) {
477 log2_meta_row_height = log2_meta_req_height;
478 meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
479 + meta_req_width;
480 rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
481 } else {
482 log2_meta_row_height = log2_meta_req_width;
483 meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
484 + meta_req_height;
485 rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
486 }
487 rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
488
489 rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
490
491 log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
492 log2_meta_chunk_height = log2_meta_row_height;
493
494 //full sized meta chunk width in unit of data elements
495 log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
496 - log2_meta_chunk_height;
497 log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
498 min_meta_chunk_width = 1
499 << (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
500 - log2_meta_chunk_height);
501 meta_chunk_width = 1 << log2_meta_chunk_width;
502 meta_chunk_per_row_int = (unsigned int)(meta_row_width_ub / meta_chunk_width);
503 meta_row_remainder = meta_row_width_ub % meta_chunk_width;
504 meta_chunk_threshold = 0;
505 meta_blk_bytes = 4096;
506 meta_blk_height = blk256_height * 64;
507 meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
508 meta_surface_bytes = meta_pitch
509 * (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + meta_blk_height)
510 * bytes_per_element / 256;
511 vmpg_bytes = mode_lib->soc.gpuvm_min_page_size_bytes;
512 meta_pte_req_per_frame_ub = (dml_round_to_multiple(meta_surface_bytes - vmpg_bytes,
513 8 * vmpg_bytes,
514 1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
515 meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
516 rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
517
518 dml_print("DML_DLG: %s: meta_blk_height = %d\n", __func__, meta_blk_height){do { } while(0); };
519 dml_print("DML_DLG: %s: meta_blk_width = %d\n", __func__, meta_blk_width){do { } while(0); };
520 dml_print("DML_DLG: %s: meta_surface_bytes = %d\n", __func__, meta_surface_bytes){do { } while(0); };
521 dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub = %d\n",{do { } while(0); }
522 __func__,{do { } while(0); }
523 meta_pte_req_per_frame_ub){do { } while(0); };
524 dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",{do { } while(0); }
525 __func__,{do { } while(0); }
526 meta_pte_bytes_per_frame_ub){do { } while(0); };
527
528 if (!surf_vert)
529 meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
530 else
531 meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
532
533 if (meta_row_remainder <= meta_chunk_threshold)
534 rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
535 else
536 rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
537
538 // ------
539 // dpte
540 // ------
541 if (surf_linear) {
542 log2_vmpg_height = 0; // one line high
543 } else {
544 log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
545 }
546 log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
547
548 // only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
549 if (surf_linear) { //one 64B PTE request returns 8 PTEs
550 log2_dpte_req_height_ptes = 0;
551 log2_dpte_req_width = log2_vmpg_width + 3;
552 log2_dpte_req_height = 0;
553 } else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
554 //one 64B req gives 8x1 PTEs for 4KB tile
555 log2_dpte_req_height_ptes = 0;
556 log2_dpte_req_width = log2_blk_width + 3;
557 log2_dpte_req_height = log2_blk_height + 0;
558 } else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
559 //two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
560 log2_dpte_req_height_ptes = 4;
561 log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
562 log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
563 } else { //64KB page size and must 64KB tile block
564 //one 64B req gives 8x1 PTEs for 64KB tile
565 log2_dpte_req_height_ptes = 0;
566 log2_dpte_req_width = log2_blk_width + 3;
567 log2_dpte_req_height = log2_blk_height + 0;
568 }
569
570 // The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
571 // log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
572 // That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
573 //log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes;
574 //log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes;
575 dpte_req_height = 1 << log2_dpte_req_height;
576 dpte_req_width = 1 << log2_dpte_req_width;
577
578 // calculate pitch dpte row buffer can hold
579 // round the result down to a power of two.
580 if (surf_linear) {
581 unsigned int dpte_row_height = 0;
582
583 log2_dpte_row_height_linear = dml_floor(dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch), 1);
584
585 dml_print("DML_DLG: %s: is_chroma = %d\n", __func__, is_chroma){do { } while(0); };
586 dml_print("DML_DLG: %s: dpte_buf_in_pte_reqs = %d\n", __func__, dpte_buf_in_pte_reqs){do { } while(0); };
587 dml_print("DML_DLG: %s: log2_dpte_row_height_linear = %d\n", __func__, log2_dpte_row_height_linear){do { } while(0); };
588
589 ASSERT(log2_dpte_row_height_linear >= 3)do { if (({ static int __warned; int __ret = !!(!(log2_dpte_row_height_linear
>= 3)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(log2_dpte_row_height_linear >= 3)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 589); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
590
591 if (log2_dpte_row_height_linear > 7)
592 log2_dpte_row_height_linear = 7;
593
594 log2_dpte_row_height = log2_dpte_row_height_linear;
595 // For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
596 // the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
597 dpte_row_height = 1 << log2_dpte_row_height;
598 dpte_row_width_ub = dml_round_to_multiple(data_pitch * dpte_row_height - 1,
599 dpte_req_width,
600 1) + dpte_req_width;
601 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
602 } else {
603 // the upper bound of the dpte_row_width without dependency on viewport position follows.
604 // for tiled mode, row height is the same as req height and row store up to vp size upper bound
605 if (!surf_vert) {
606 log2_dpte_row_height = log2_dpte_req_height;
607 dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
608 + dpte_req_width;
609 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
610 } else {
611 log2_dpte_row_height =
612 (log2_blk_width < log2_dpte_req_width) ?
613 log2_blk_width : log2_dpte_req_width;
614 dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
615 + dpte_req_height;
616 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
617 }
618 }
619 if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
620 rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
621 else
622 rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
623
624 rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
625
626 // the dpte_group_bytes is reduced for the specific case of vertical
627 // access of a tile surface that has dpte request of 8x1 ptes.
628 if (hostvm_enable)
629 rq_sizing_param->dpte_group_bytes = 512;
630 else {
631 if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) //reduced, in this case, will have page fault within a group
632 rq_sizing_param->dpte_group_bytes = 512;
633 else
634 rq_sizing_param->dpte_group_bytes = 2048;
635 }
636
637 //since pte request size is 64byte, the number of data pte requests per full sized group is as follows.
638 log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
639 log2_dpte_group_length = log2_dpte_group_bytes - 6; //length in 64b requests
640
641 // full sized data pte group width in elements
642 if (!surf_vert)
643 log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
644 else
645 log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
646
647 //But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
648 if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
649 log2_dpte_group_width = log2_dpte_group_width - 1;
650
651 dpte_group_width = 1 << log2_dpte_group_width;
652
653 // since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
654 // the upper bound for the dpte groups per row is as follows.
655 rq_dlg_param->dpte_groups_per_row_ub = dml_ceil((double)dpte_row_width_ub / dpte_group_width,
656 1);
657}
658
659static void get_surf_rq_param(struct display_mode_lib *mode_lib,
660 display_data_rq_sizing_params_st *rq_sizing_param,
661 display_data_rq_dlg_params_st *rq_dlg_param,
662 display_data_rq_misc_params_st *rq_misc_param,
663 const display_pipe_params_st *pipe_param,
664 bool_Bool is_chroma,
665 bool_Bool is_alpha)
666{
667 bool_Bool mode_422 = 0;
668 unsigned int vp_width = 0;
669 unsigned int vp_height = 0;
670 unsigned int data_pitch = 0;
671 unsigned int meta_pitch = 0;
672 unsigned int surface_height = 0;
673 unsigned int ppe = mode_422 ? 2 : 1;
674
675 // FIXME check if ppe apply for both luma and chroma in 422 case
676 if (is_chroma | is_alpha) {
677 vp_width = pipe_param->src.viewport_width_c / ppe;
678 vp_height = pipe_param->src.viewport_height_c;
679 data_pitch = pipe_param->src.data_pitch_c;
680 meta_pitch = pipe_param->src.meta_pitch_c;
681 surface_height = pipe_param->src.surface_height_y / 2.0;
682 } else {
683 vp_width = pipe_param->src.viewport_width / ppe;
684 vp_height = pipe_param->src.viewport_height;
685 data_pitch = pipe_param->src.data_pitch;
686 meta_pitch = pipe_param->src.meta_pitch;
687 surface_height = pipe_param->src.surface_height_y;
688 }
689
690 if (pipe_param->dest.odm_combine) {
691 unsigned int access_dir = 0;
692 unsigned int full_src_vp_width = 0;
693 unsigned int hactive_odm = 0;
694 unsigned int src_hactive_odm = 0;
695 access_dir = (pipe_param->src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
696 hactive_odm = pipe_param->dest.hactive / ((unsigned int) pipe_param->dest.odm_combine*2);
697 if (is_chroma) {
698 full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio_c * pipe_param->dest.full_recout_width;
699 src_hactive_odm = pipe_param->scale_ratio_depth.hscl_ratio_c * hactive_odm;
700 } else {
701 full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio * pipe_param->dest.full_recout_width;
702 src_hactive_odm = pipe_param->scale_ratio_depth.hscl_ratio * hactive_odm;
703 }
704
705 if (access_dir == 0) {
706 vp_width = dml_min(full_src_vp_width, src_hactive_odm);
707 dml_print("DML_DLG: %s: vp_width = %d\n", __func__, vp_width){do { } while(0); };
708 } else {
709 vp_height = dml_min(full_src_vp_width, src_hactive_odm);
710 dml_print("DML_DLG: %s: vp_height = %d\n", __func__, vp_height){do { } while(0); };
711 }
712 dml_print("DML_DLG: %s: full_src_vp_width = %d\n", __func__, full_src_vp_width){do { } while(0); };
713 dml_print("DML_DLG: %s: hactive_odm = %d\n", __func__, hactive_odm){do { } while(0); };
714 dml_print("DML_DLG: %s: src_hactive_odm = %d\n", __func__, src_hactive_odm){do { } while(0); };
715 }
716
717 rq_sizing_param->chunk_bytes = 8192;
718
719 if (is_alpha) {
720 rq_sizing_param->chunk_bytes = 4096;
721 }
722
723 if (rq_sizing_param->chunk_bytes == 64 * 1024)
724 rq_sizing_param->min_chunk_bytes = 0;
725 else
726 rq_sizing_param->min_chunk_bytes = 1024;
727
728 rq_sizing_param->meta_chunk_bytes = 2048;
729 rq_sizing_param->min_meta_chunk_bytes = 256;
730
731 if (pipe_param->src.hostvm)
732 rq_sizing_param->mpte_group_bytes = 512;
733 else
734 rq_sizing_param->mpte_group_bytes = 2048;
735
736 get_meta_and_pte_attr(mode_lib,
737 rq_dlg_param,
738 rq_misc_param,
739 rq_sizing_param,
740 vp_width,
741 vp_height,
742 data_pitch,
743 meta_pitch,
744 pipe_param->src.source_format,
745 pipe_param->src.sw_mode,
746 pipe_param->src.macro_tile_size,
747 pipe_param->src.source_scan,
748 pipe_param->src.hostvm,
749 is_chroma,
750 surface_height);
751}
752
753static void dml_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
754 display_rq_params_st *rq_param,
755 const display_pipe_params_st *pipe_param)
756{
757 // get param for luma surface
758 rq_param->yuv420 = pipe_param->src.source_format == dm_420_8
759 || pipe_param->src.source_format == dm_420_10
760 || pipe_param->src.source_format == dm_rgbe_alpha
761 || pipe_param->src.source_format == dm_420_12;
762
763 rq_param->yuv420_10bpc = pipe_param->src.source_format == dm_420_10;
764
765 rq_param->rgbe_alpha = (pipe_param->src.source_format == dm_rgbe_alpha)?1:0;
766
767 get_surf_rq_param(mode_lib,
768 &(rq_param->sizing.rq_l),
769 &(rq_param->dlg.rq_l),
770 &(rq_param->misc.rq_l),
771 pipe_param,
772 0,
773 0);
774
775 if (is_dual_plane((enum source_format_class)(pipe_param->src.source_format))) {
776 // get param for chroma surface
777 get_surf_rq_param(mode_lib,
778 &(rq_param->sizing.rq_c),
779 &(rq_param->dlg.rq_c),
780 &(rq_param->misc.rq_c),
781 pipe_param,
782 1,
783 rq_param->rgbe_alpha);
784 }
785
786 // calculate how to split the det buffer space between luma and chroma
787 handle_det_buf_split(mode_lib, rq_param, &pipe_param->src);
788 print__rq_params_st(mode_lib, rq_param);
789}
790
791void dml30_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
792 display_rq_regs_st *rq_regs,
793 const display_pipe_params_st *pipe_param)
794{
795 display_rq_params_st rq_param = { 0 };
796
797 memset(rq_regs, 0, sizeof(*rq_regs))__builtin_memset((rq_regs), (0), (sizeof(*rq_regs)));
798 dml_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param);
799 extract_rq_regs(mode_lib, rq_regs, &rq_param);
800
801 print__rq_regs_st(mode_lib, rq_regs);
802}
803
804static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
805 double *refcyc_per_req_delivery_pre_cur,
806 double *refcyc_per_req_delivery_cur,
807 double refclk_freq_in_mhz,
808 double ref_freq_to_pix_freq,
809 double hscale_pixel_rate_l,
810 double hscl_ratio,
811 double vratio_pre_l,
812 double vratio_l,
813 unsigned int cur_width,
814 enum cursor_bpp cur_bpp)
815{
816 unsigned int cur_src_width = cur_width;
817 unsigned int cur_req_size = 0;
818 unsigned int cur_req_width = 0;
819 double cur_width_ub = 0.0;
820 double cur_req_per_width = 0.0;
821 double hactive_cur = 0.0;
822
823 ASSERT(cur_src_width <= 256)do { if (({ static int __warned; int __ret = !!(!(cur_src_width
<= 256)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(cur_src_width <= 256)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 823); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
824
825 *refcyc_per_req_delivery_pre_cur = 0.0;
826 *refcyc_per_req_delivery_cur = 0.0;
827 if (cur_src_width > 0) {
828 unsigned int cur_bit_per_pixel = 0;
829
830 if (cur_bpp == dm_cur_2bit) {
831 cur_req_size = 64; // byte
832 cur_bit_per_pixel = 2;
833 } else { // 32bit
834 cur_bit_per_pixel = 32;
835 if (cur_src_width >= 1 && cur_src_width <= 16)
836 cur_req_size = 64;
837 else if (cur_src_width >= 17 && cur_src_width <= 31)
838 cur_req_size = 128;
839 else
840 cur_req_size = 256;
841 }
842
843 cur_req_width = (double)cur_req_size / ((double)cur_bit_per_pixel / 8.0);
844 cur_width_ub = dml_ceil((double)cur_src_width / (double)cur_req_width, 1)
845 * (double)cur_req_width;
846 cur_req_per_width = cur_width_ub / (double)cur_req_width;
847 hactive_cur = (double)cur_src_width / hscl_ratio; // FIXME: oswin to think about what to do for cursor
848
849 if (vratio_pre_l <= 1.0) {
850 *refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
851 / (double)cur_req_per_width;
852 } else {
853 *refcyc_per_req_delivery_pre_cur = (double)refclk_freq_in_mhz
854 * (double)cur_src_width / hscale_pixel_rate_l
855 / (double)cur_req_per_width;
856 }
857
858 ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(*refcyc_per_req_delivery_pre_cur
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 858); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
859
860 if (vratio_l <= 1.0) {
861 *refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
862 / (double)cur_req_per_width;
863 } else {
864 *refcyc_per_req_delivery_cur = (double)refclk_freq_in_mhz
865 * (double)cur_src_width / hscale_pixel_rate_l
866 / (double)cur_req_per_width;
867 }
868
869 dml_print("DML_DLG: %s: cur_req_width = %d\n",{do { } while(0); }
870 __func__,{do { } while(0); }
871 cur_req_width){do { } while(0); };
872 dml_print("DML_DLG: %s: cur_width_ub = %3.2f\n",{do { } while(0); }
873 __func__,{do { } while(0); }
874 cur_width_ub){do { } while(0); };
875 dml_print("DML_DLG: %s: cur_req_per_width = %3.2f\n",{do { } while(0); }
876 __func__,{do { } while(0); }
877 cur_req_per_width){do { } while(0); };
878 dml_print("DML_DLG: %s: hactive_cur = %3.2f\n",{do { } while(0); }
879 __func__,{do { } while(0); }
880 hactive_cur){do { } while(0); };
881 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur = %3.2f\n",{do { } while(0); }
882 __func__,{do { } while(0); }
883 *refcyc_per_req_delivery_pre_cur){do { } while(0); };
884 dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur = %3.2f\n",{do { } while(0); }
885 __func__,{do { } while(0); }
886 *refcyc_per_req_delivery_cur){do { } while(0); };
887
888 ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(*refcyc_per_req_delivery_cur
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(*refcyc_per_req_delivery_cur < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 888); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
889 }
890}
891
892// Note: currently taken in as is.
893// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
894static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
895 const display_e2e_pipe_params_st *e2e_pipe_param,
896 const unsigned int num_pipes,
897 const unsigned int pipe_idx,
898 display_dlg_regs_st *disp_dlg_regs,
899 display_ttu_regs_st *disp_ttu_regs,
900 const display_rq_dlg_params_st rq_dlg_param,
901 const display_dlg_sys_params_st dlg_sys_param,
902 const bool_Bool cstate_en,
903 const bool_Bool pstate_en,
904 const bool_Bool vm_en,
905 const bool_Bool ignore_viewport_pos,
906 const bool_Bool immediate_flip_support)
907{
908 const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
909 const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
910 const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
911 const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
912 const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
913 const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
914
915 // -------------------------
916 // Section 1.15.2.1: OTG dependent Params
917 // -------------------------
918 // Timing
919 unsigned int htotal = dst->htotal;
920 // unsigned int hblank_start = dst.hblank_start; // TODO: Remove
921 unsigned int hblank_end = dst->hblank_end;
922 unsigned int vblank_start = dst->vblank_start;
923 unsigned int vblank_end = dst->vblank_end;
924 unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
925
926 double dppclk_freq_in_mhz = clks->dppclk_mhz;
927 double dispclk_freq_in_mhz = clks->dispclk_mhz;
928 double refclk_freq_in_mhz = clks->refclk_mhz;
929 double pclk_freq_in_mhz = dst->pixel_rate_mhz;
930 bool_Bool interlaced = dst->interlaced;
931
932 double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
933
934 double min_dcfclk_mhz = 0;
935 double t_calc_us = 0;
936 double min_ttu_vblank = 0;
937
938 double min_dst_y_ttu_vblank = 0;
939 unsigned int dlg_vblank_start = 0;
940 bool_Bool dual_plane = false0;
941 bool_Bool mode_422 = false0;
942 unsigned int access_dir = 0;
943 unsigned int vp_height_l = 0;
944 unsigned int vp_width_l = 0;
945 unsigned int vp_height_c = 0;
946 unsigned int vp_width_c = 0;
947
948 // Scaling
949 unsigned int htaps_l = 0;
950 unsigned int htaps_c = 0;
951 double hratio_l = 0;
952 double hratio_c = 0;
953 double vratio_l = 0;
954 double vratio_c = 0;
955 bool_Bool scl_enable = false0;
956
957 double line_time_in_us = 0;
958 // double vinit_l;
959 // double vinit_c;
960 // double vinit_bot_l;
961 // double vinit_bot_c;
962
963 // unsigned int swath_height_l;
964 unsigned int swath_width_ub_l = 0;
965 // unsigned int dpte_bytes_per_row_ub_l;
966 unsigned int dpte_groups_per_row_ub_l = 0;
967 // unsigned int meta_pte_bytes_per_frame_ub_l;
968 // unsigned int meta_bytes_per_row_ub_l;
969
970 // unsigned int swath_height_c;
971 unsigned int swath_width_ub_c = 0;
972 // unsigned int dpte_bytes_per_row_ub_c;
973 unsigned int dpte_groups_per_row_ub_c = 0;
974
975 unsigned int meta_chunks_per_row_ub_l = 0;
976 unsigned int meta_chunks_per_row_ub_c = 0;
977 unsigned int vupdate_offset = 0;
978 unsigned int vupdate_width = 0;
979 unsigned int vready_offset = 0;
980
981 unsigned int dppclk_delay_subtotal = 0;
982 unsigned int dispclk_delay_subtotal = 0;
983 unsigned int pixel_rate_delay_subtotal = 0;
984
985 unsigned int vstartup_start = 0;
986 unsigned int dst_x_after_scaler = 0;
987 unsigned int dst_y_after_scaler = 0;
988 double line_wait = 0;
989 double dst_y_prefetch = 0;
990 double dst_y_per_vm_vblank = 0;
991 double dst_y_per_row_vblank = 0;
992 double dst_y_per_vm_flip = 0;
993 double dst_y_per_row_flip = 0;
994 double max_dst_y_per_vm_vblank = 0;
995 double max_dst_y_per_row_vblank = 0;
996 double lsw = 0;
997 double vratio_pre_l = 0;
998 double vratio_pre_c = 0;
999 unsigned int req_per_swath_ub_l = 0;
1000 unsigned int req_per_swath_ub_c = 0;
1001 unsigned int meta_row_height_l = 0;
1002 unsigned int meta_row_height_c = 0;
1003 unsigned int swath_width_pixels_ub_l = 0;
1004 unsigned int swath_width_pixels_ub_c = 0;
1005 unsigned int scaler_rec_in_width_l = 0;
1006 unsigned int scaler_rec_in_width_c = 0;
1007 unsigned int dpte_row_height_l = 0;
1008 unsigned int dpte_row_height_c = 0;
1009 double hscale_pixel_rate_l = 0;
1010 double hscale_pixel_rate_c = 0;
1011 double min_hratio_fact_l = 0;
1012 double min_hratio_fact_c = 0;
1013 double refcyc_per_line_delivery_pre_l = 0;
1014 double refcyc_per_line_delivery_pre_c = 0;
1015 double refcyc_per_line_delivery_l = 0;
1016 double refcyc_per_line_delivery_c = 0;
1017
1018 double refcyc_per_req_delivery_pre_l = 0;
1019 double refcyc_per_req_delivery_pre_c = 0;
1020 double refcyc_per_req_delivery_l = 0;
1021 double refcyc_per_req_delivery_c = 0;
1022
1023 unsigned int full_recout_width = 0;
1024 double refcyc_per_req_delivery_pre_cur0 = 0;
1025 double refcyc_per_req_delivery_cur0 = 0;
1026 double refcyc_per_req_delivery_pre_cur1 = 0;
1027 double refcyc_per_req_delivery_cur1 = 0;
1028
1029 unsigned int pipe_index_in_combine[DC__NUM_PIPES__MAX6] = { 0 };
1030
1031 memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs))__builtin_memset((disp_dlg_regs), (0), (sizeof(*disp_dlg_regs
)))
;
1032 memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs))__builtin_memset((disp_ttu_regs), (0), (sizeof(*disp_ttu_regs
)))
;
1033
1034 dml_print("DML_DLG: %s: cstate_en = %d\n", __func__, cstate_en){do { } while(0); };
1035 dml_print("DML_DLG: %s: pstate_en = %d\n", __func__, pstate_en){do { } while(0); };
1036 dml_print("DML_DLG: %s: vm_en = %d\n", __func__, vm_en){do { } while(0); };
1037 dml_print("DML_DLG: %s: ignore_viewport_pos = %d\n", __func__, ignore_viewport_pos){do { } while(0); };
1038 dml_print("DML_DLG: %s: immediate_flip_support = %d\n", __func__, immediate_flip_support){do { } while(0); };
1039
1040 dml_print("DML_DLG: %s: dppclk_freq_in_mhz = %3.2f\n", __func__, dppclk_freq_in_mhz){do { } while(0); };
1041 dml_print("DML_DLG: %s: dispclk_freq_in_mhz = %3.2f\n", __func__, dispclk_freq_in_mhz){do { } while(0); };
1042 dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz){do { } while(0); };
1043 dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz){do { } while(0); };
1044 dml_print("DML_DLG: %s: interlaced = %d\n", __func__, interlaced){do { } while(0); };
1045 ASSERT(ref_freq_to_pix_freq < 4.0)do { if (({ static int __warned; int __ret = !!(!(ref_freq_to_pix_freq
< 4.0)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(ref_freq_to_pix_freq < 4.0)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1045); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1046
1047 disp_dlg_regs->ref_freq_to_pix_freq =
1048 (unsigned int)(ref_freq_to_pix_freq * dml_pow(2, 19));
1049 disp_dlg_regs->refcyc_per_htotal = (unsigned int)(ref_freq_to_pix_freq * (double)htotal
1050 * dml_pow(2, 8));
1051 disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
1052
1053 min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
1054 t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
1055 min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1056
1057 min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double)htotal;
1058 dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
1059
1060 disp_dlg_regs->min_dst_y_next_start = (unsigned int)(((double)dlg_vblank_start
1061 ) * dml_pow(2, 2));
1062 ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int)dml_pow(2, 18))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->min_dst_y_next_start < (unsigned int)dml_pow(2, 18)))
; if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->min_dst_y_next_start < (unsigned int)dml_pow(2, 18))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1062); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1063
1064 dml_print("DML_DLG: %s: min_dcfclk_mhz = %3.2f\n",{do { } while(0); }
1065 __func__,{do { } while(0); }
1066 min_dcfclk_mhz){do { } while(0); };
1067 dml_print("DML_DLG: %s: min_ttu_vblank = %3.2f\n",{do { } while(0); }
1068 __func__,{do { } while(0); }
1069 min_ttu_vblank){do { } while(0); };
1070 dml_print("DML_DLG: %s: min_dst_y_ttu_vblank = %3.2f\n",{do { } while(0); }
1071 __func__,{do { } while(0); }
1072 min_dst_y_ttu_vblank){do { } while(0); };
1073 dml_print("DML_DLG: %s: t_calc_us = %3.2f\n",{do { } while(0); }
1074 __func__,{do { } while(0); }
1075 t_calc_us){do { } while(0); };
1076 dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start = 0x%0x\n",{do { } while(0); }
1077 __func__,{do { } while(0); }
1078 disp_dlg_regs->min_dst_y_next_start){do { } while(0); };
1079 dml_print("DML_DLG: %s: ref_freq_to_pix_freq = %3.2f\n",{do { } while(0); }
1080 __func__,{do { } while(0); }
1081 ref_freq_to_pix_freq){do { } while(0); };
1082
1083 // -------------------------
1084 // Section 1.15.2.2: Prefetch, Active and TTU
1085 // -------------------------
1086 // Prefetch Calc
1087 // Source
1088 // dcc_en = src.dcc;
1089 dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
1090 mode_422 = false0; // TODO
1091 access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
1092 vp_height_l = src->viewport_height;
1093 vp_width_l = src->viewport_width;
1094 vp_height_c = src->viewport_height_c;
1095 vp_width_c = src->viewport_width_c;
1096
1097 // Scaling
1098 htaps_l = taps->htaps;
1099 htaps_c = taps->htaps_c;
1100 hratio_l = scl->hscl_ratio;
1101 hratio_c = scl->hscl_ratio_c;
1102 vratio_l = scl->vscl_ratio;
1103 vratio_c = scl->vscl_ratio_c;
1104 scl_enable = scl->scl_enable;
1105
1106 line_time_in_us = (htotal / pclk_freq_in_mhz);
1107 swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
1108 dpte_groups_per_row_ub_l = rq_dlg_param.rq_l.dpte_groups_per_row_ub;
1109 swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub;
1110 dpte_groups_per_row_ub_c = rq_dlg_param.rq_c.dpte_groups_per_row_ub;
1111
1112 meta_chunks_per_row_ub_l = rq_dlg_param.rq_l.meta_chunks_per_row_ub;
1113 meta_chunks_per_row_ub_c = rq_dlg_param.rq_c.meta_chunks_per_row_ub;
1114 vupdate_offset = dst->vupdate_offset;
1115 vupdate_width = dst->vupdate_width;
1116 vready_offset = dst->vready_offset;
1117
1118 dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1119 dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1120
1121 if (scl_enable)
1122 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1123 else
1124 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1125
1126 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1127 + src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1128
1129 if (dout->dsc_enable) {
1130 double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1131
1132 dispclk_delay_subtotal += dsc_delay;
1133 }
1134
1135 pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1136 + dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1137
1138 vstartup_start = dst->vstartup_start;
1139 if (interlaced) {
1140 if (vstartup_start / 2.0
1141 - (double)(vready_offset + vupdate_width + vupdate_offset) / htotal
1142 <= vblank_end / 2.0)
1143 disp_dlg_regs->vready_after_vcount0 = 1;
1144 else
1145 disp_dlg_regs->vready_after_vcount0 = 0;
1146 } else {
1147 if (vstartup_start
1148 - (double)(vready_offset + vupdate_width + vupdate_offset) / htotal
1149 <= vblank_end)
1150 disp_dlg_regs->vready_after_vcount0 = 1;
1151 else
1152 disp_dlg_regs->vready_after_vcount0 = 0;
1153 }
1154
1155 // TODO: Where is this coming from?
1156 if (interlaced)
1157 vstartup_start = vstartup_start / 2;
1158
1159 // TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1160 if (vstartup_start >= min_vblank) {
1161 dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",{do { } while(0); }
1162 __func__,{do { } while(0); }
1163 vblank_start,{do { } while(0); }
1164 vblank_end){do { } while(0); };
1165 dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",{do { } while(0); }
1166 __func__,{do { } while(0); }
1167 vstartup_start,{do { } while(0); }
1168 min_vblank){do { } while(0); };
1169 min_vblank = vstartup_start + 1;
1170 dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",{do { } while(0); }
1171 __func__,{do { } while(0); }
1172 vstartup_start,{do { } while(0); }
1173 min_vblank){do { } while(0); };
1174 }
1175
1176 dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1177 dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1178
1179 // do some adjustment on the dst_after scaler to account for odm combine mode
1180 dml_print("DML_DLG: %s: input dst_x_after_scaler = %d\n",{do { } while(0); }
1181 __func__,{do { } while(0); }
1182 dst_x_after_scaler){do { } while(0); };
1183 dml_print("DML_DLG: %s: input dst_y_after_scaler = %d\n",{do { } while(0); }
1184 __func__,{do { } while(0); }
1185 dst_y_after_scaler){do { } while(0); };
1186
1187 // need to figure out which side of odm combine we're in
1188 if (dst->odm_combine) {
1189 // figure out which pipes go together
1190 bool_Bool visited[DC__NUM_PIPES__MAX6] = { false0 };
1191 unsigned int i, j, k;
1192
1193 for (k = 0; k < num_pipes; ++k) {
1194 visited[k] = false0;
1195 pipe_index_in_combine[k] = 0;
1196 }
1197
1198 for (i = 0; i < num_pipes; i++) {
1199 if (e2e_pipe_param[i].pipe.src.is_hsplit && !visited[i]) {
1200
1201 unsigned int grp = e2e_pipe_param[i].pipe.src.hsplit_grp;
1202 unsigned int grp_idx = 0;
1203
1204 for (j = i; j < num_pipes; j++) {
1205 if (e2e_pipe_param[j].pipe.src.hsplit_grp == grp
1206 && e2e_pipe_param[j].pipe.src.is_hsplit && !visited[j]) {
1207 pipe_index_in_combine[j] = grp_idx;
1208 dml_print("DML_DLG: %s: pipe[%d] is in grp %d idx %d\n", __func__, j, grp, grp_idx){do { } while(0); };
1209 grp_idx++;
1210 visited[j] = true1;
1211 }
1212 }
1213 }
1214 }
1215
1216 }
1217
1218 if (dst->odm_combine == dm_odm_combine_mode_disabled) {
1219 disp_dlg_regs->refcyc_h_blank_end = (unsigned int)((double) hblank_end * ref_freq_to_pix_freq);
1220 } else {
1221 unsigned int odm_combine_factor = (dst->odm_combine == dm_odm_combine_mode_2to1 ? 2 : 4); // TODO: We should really check that 4to1 is supported before setting it to 4
1222 unsigned int odm_pipe_index = pipe_index_in_combine[pipe_idx];
1223 disp_dlg_regs->refcyc_h_blank_end = (unsigned int)(((double) hblank_end + odm_pipe_index * (double) dst->hactive / odm_combine_factor) * ref_freq_to_pix_freq);
1224 }
1225 ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13))); if
(__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1225); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1226
1227 dml_print("DML_DLG: %s: htotal = %d\n", __func__, htotal){do { } while(0); };
1228 dml_print("DML_DLG: %s: pixel_rate_delay_subtotal = %d\n",{do { } while(0); }
1229 __func__,{do { } while(0); }
1230 pixel_rate_delay_subtotal){do { } while(0); };
1231 dml_print("DML_DLG: %s: dst_x_after_scaler[%d] = %d\n",{do { } while(0); }
1232 __func__,{do { } while(0); }
1233 pipe_idx,{do { } while(0); }
1234 dst_x_after_scaler){do { } while(0); };
1235 dml_print("DML_DLG: %s: dst_y_after_scaler[%d] = %d\n",{do { } while(0); }
1236 __func__,{do { } while(0); }
1237 pipe_idx,{do { } while(0); }
1238 dst_y_after_scaler){do { } while(0); };
1239
1240 // Lwait
1241 // TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1242 line_wait = mode_lib->soc.urgent_latency_pixel_data_only_us;
1243 if (cstate_en)
1244 line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1245 if (pstate_en)
1246 line_wait = dml_max(mode_lib->soc.dram_clock_change_latency_us
1247 + mode_lib->soc.urgent_latency_pixel_data_only_us, // TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1248 line_wait);
1249 line_wait = line_wait / line_time_in_us;
1250
1251 dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1252 dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch){do { } while(0); };
1253
1254 dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
1255 e2e_pipe_param,
1256 num_pipes,
1257 pipe_idx);
1258 dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
1259 e2e_pipe_param,
1260 num_pipes,
1261 pipe_idx);
1262 dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1263 dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1264
1265 max_dst_y_per_vm_vblank = 32.0; //U5.2
1266 max_dst_y_per_row_vblank = 16.0; //U4.2
1267
1268 // magic!
1269 if (htotal <= 75) {
1270 min_vblank = 300;
1271 max_dst_y_per_vm_vblank = 100.0;
1272 max_dst_y_per_row_vblank = 100.0;
1273 }
1274
1275 dml_print("DML_DLG: %s: dst_y_per_vm_flip = %3.2f\n", __func__, dst_y_per_vm_flip){do { } while(0); };
1276 dml_print("DML_DLG: %s: dst_y_per_row_flip = %3.2f\n", __func__, dst_y_per_row_flip){do { } while(0); };
1277 dml_print("DML_DLG: %s: dst_y_per_vm_vblank = %3.2f\n", __func__, dst_y_per_vm_vblank){do { } while(0); };
1278 dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank){do { } while(0); };
1279
1280 ASSERT(dst_y_per_vm_vblank < max_dst_y_per_vm_vblank)do { if (({ static int __warned; int __ret = !!(!(dst_y_per_vm_vblank
< max_dst_y_per_vm_vblank)); if (__ret && !__warned
) { printf("WARNING %s failed at %s:%d\n", "!(dst_y_per_vm_vblank < max_dst_y_per_vm_vblank)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1280); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1281 ASSERT(dst_y_per_row_vblank < max_dst_y_per_row_vblank)do { if (({ static int __warned; int __ret = !!(!(dst_y_per_row_vblank
< max_dst_y_per_row_vblank)); if (__ret && !__warned
) { printf("WARNING %s failed at %s:%d\n", "!(dst_y_per_row_vblank < max_dst_y_per_row_vblank)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1281); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1282
1283 ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank))do { if (({ static int __warned; int __ret = !!(!(dst_y_prefetch
> (dst_y_per_vm_vblank + dst_y_per_row_vblank))); if (__ret
&& !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1283); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1284 lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1285
1286 dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw){do { } while(0); };
1287
1288 vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1289 vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1290
1291 dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l){do { } while(0); };
1292 dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c){do { } while(0); };
1293
1294 // Active
1295 req_per_swath_ub_l = rq_dlg_param.rq_l.req_per_swath_ub;
1296 req_per_swath_ub_c = rq_dlg_param.rq_c.req_per_swath_ub;
1297 meta_row_height_l = rq_dlg_param.rq_l.meta_row_height;
1298 meta_row_height_c = rq_dlg_param.rq_c.meta_row_height;
1299 swath_width_pixels_ub_l = 0;
1300 swath_width_pixels_ub_c = 0;
1301 scaler_rec_in_width_l = 0;
1302 scaler_rec_in_width_c = 0;
1303 dpte_row_height_l = rq_dlg_param.rq_l.dpte_row_height;
1304 dpte_row_height_c = rq_dlg_param.rq_c.dpte_row_height;
1305
1306 if (mode_422) {
1307 swath_width_pixels_ub_l = swath_width_ub_l * 2; // *2 for 2 pixel per element
1308 swath_width_pixels_ub_c = swath_width_ub_c * 2;
1309 } else {
1310 swath_width_pixels_ub_l = swath_width_ub_l * 1;
1311 swath_width_pixels_ub_c = swath_width_ub_c * 1;
1312 }
1313
1314 hscale_pixel_rate_l = 0.;
1315 hscale_pixel_rate_c = 0.;
1316 min_hratio_fact_l = 1.0;
1317 min_hratio_fact_c = 1.0;
Value stored to 'min_hratio_fact_c' is never read
1318
1319 if (hratio_l <= 1)
1320 min_hratio_fact_l = 2.0;
1321 else if (htaps_l <= 6) {
1322 if ((hratio_l * 2.0) > 4.0)
1323 min_hratio_fact_l = 4.0;
1324 else
1325 min_hratio_fact_l = hratio_l * 2.0;
1326 } else {
1327 if (hratio_l > 4.0)
1328 min_hratio_fact_l = 4.0;
1329 else
1330 min_hratio_fact_l = hratio_l;
1331 }
1332
1333 hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1334
1335 if (hratio_c <= 1)
1336 min_hratio_fact_c = 2.0;
1337 else if (htaps_c <= 6) {
1338 if ((hratio_c * 2.0) > 4.0)
1339 min_hratio_fact_c = 4.0;
1340 else
1341 min_hratio_fact_c = hratio_c * 2.0;
1342 } else {
1343 if (hratio_c > 4.0)
1344 min_hratio_fact_c = 4.0;
1345 else
1346 min_hratio_fact_c = hratio_c;
1347 }
1348
1349 hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1350
1351 refcyc_per_line_delivery_pre_l = 0.;
1352 refcyc_per_line_delivery_pre_c = 0.;
1353 refcyc_per_line_delivery_l = 0.;
1354 refcyc_per_line_delivery_c = 0.;
1355
1356 refcyc_per_req_delivery_pre_l = 0.;
1357 refcyc_per_req_delivery_pre_c = 0.;
1358 refcyc_per_req_delivery_l = 0.;
1359 refcyc_per_req_delivery_c = 0.;
1360
1361 full_recout_width = 0;
1362 // In ODM
1363 if (src->is_hsplit) {
1364 // This "hack" is only allowed (and valid) for MPC combine. In ODM
1365 // combine, you MUST specify the full_recout_width...according to Oswin
1366 if (dst->full_recout_width == 0 && !dst->odm_combine) {
1367 dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",{do { } while(0); }
1368 __func__){do { } while(0); };
1369 full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1370 } else
1371 full_recout_width = dst->full_recout_width;
1372 } else
1373 full_recout_width = dst->recout_width;
1374
1375 // As of DCN2, mpc_combine and odm_combine are mutually exclusive
1376 refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1377 refclk_freq_in_mhz,
1378 pclk_freq_in_mhz,
1379 dst->odm_combine,
1380 full_recout_width,
1381 dst->hactive,
1382 vratio_pre_l,
1383 hscale_pixel_rate_l,
1384 swath_width_pixels_ub_l,
1385 1); // per line
1386
1387 refcyc_per_line_delivery_l = get_refcyc_per_delivery(mode_lib,
1388 refclk_freq_in_mhz,
1389 pclk_freq_in_mhz,
1390 dst->odm_combine,
1391 full_recout_width,
1392 dst->hactive,
1393 vratio_l,
1394 hscale_pixel_rate_l,
1395 swath_width_pixels_ub_l,
1396 1); // per line
1397
1398 dml_print("DML_DLG: %s: full_recout_width = %d\n",{do { } while(0); }
1399 __func__,{do { } while(0); }
1400 full_recout_width){do { } while(0); };
1401 dml_print("DML_DLG: %s: hscale_pixel_rate_l = %3.2f\n",{do { } while(0); }
1402 __func__,{do { } while(0); }
1403 hscale_pixel_rate_l){do { } while(0); };
1404 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",{do { } while(0); }
1405 __func__,{do { } while(0); }
1406 refcyc_per_line_delivery_pre_l){do { } while(0); };
1407 dml_print("DML_DLG: %s: refcyc_per_line_delivery_l = %3.2f\n",{do { } while(0); }
1408 __func__,{do { } while(0); }
1409 refcyc_per_line_delivery_l){do { } while(0); };
1410
1411 if (dual_plane) {
1412 refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1413 refclk_freq_in_mhz,
1414 pclk_freq_in_mhz,
1415 dst->odm_combine,
1416 full_recout_width,
1417 dst->hactive,
1418 vratio_pre_c,
1419 hscale_pixel_rate_c,
1420 swath_width_pixels_ub_c,
1421 1); // per line
1422
1423 refcyc_per_line_delivery_c = get_refcyc_per_delivery(mode_lib,
1424 refclk_freq_in_mhz,
1425 pclk_freq_in_mhz,
1426 dst->odm_combine,
1427 full_recout_width,
1428 dst->hactive,
1429 vratio_c,
1430 hscale_pixel_rate_c,
1431 swath_width_pixels_ub_c,
1432 1); // per line
1433
1434 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",{do { } while(0); }
1435 __func__,{do { } while(0); }
1436 refcyc_per_line_delivery_pre_c){do { } while(0); };
1437 dml_print("DML_DLG: %s: refcyc_per_line_delivery_c = %3.2f\n",{do { } while(0); }
1438 __func__,{do { } while(0); }
1439 refcyc_per_line_delivery_c){do { } while(0); };
1440 }
1441
1442 // smehta: this is a hack added until we get the real dml, sorry, need to make progress
1443 if (src->dynamic_metadata_enable && src->gpuvm) {
1444 unsigned int levels = mode_lib->ip.gpuvm_max_page_table_levels;
1445 double ref_cycles;
1446
1447 if (src->hostvm)
1448 levels = levels * (mode_lib->ip.hostvm_max_page_table_levels+1);
1449
1450 ref_cycles = (levels * mode_lib->soc.urgent_latency_vm_data_only_us) * refclk_freq_in_mhz;
1451 dml_print("BENyamin: dst_y_prefetch = %f %d %f %f \n",{do { } while(0); }
1452 ref_cycles, levels, mode_lib->soc.urgent_latency_vm_data_only_us, refclk_freq_in_mhz){do { } while(0); };
1453 disp_dlg_regs->refcyc_per_vm_dmdata = (unsigned int) ref_cycles;
1454 }
1455 dml_print("BENyamin: dmdta_en vm = %d %d \n",{do { } while(0); }
1456 src->dynamic_metadata_enable, src->vm){do { } while(0); };
1457 // TTU - Luma / Chroma
1458 if (access_dir) { // vertical access
1459 scaler_rec_in_width_l = vp_height_l;
1460 scaler_rec_in_width_c = vp_height_c;
1461 } else {
1462 scaler_rec_in_width_l = vp_width_l;
1463 scaler_rec_in_width_c = vp_width_c;
1464 }
1465
1466 refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1467 refclk_freq_in_mhz,
1468 pclk_freq_in_mhz,
1469 dst->odm_combine,
1470 full_recout_width,
1471 dst->hactive,
1472 vratio_pre_l,
1473 hscale_pixel_rate_l,
1474 scaler_rec_in_width_l,
1475 req_per_swath_ub_l); // per req
1476 refcyc_per_req_delivery_l = get_refcyc_per_delivery(mode_lib,
1477 refclk_freq_in_mhz,
1478 pclk_freq_in_mhz,
1479 dst->odm_combine,
1480 full_recout_width,
1481 dst->hactive,
1482 vratio_l,
1483 hscale_pixel_rate_l,
1484 scaler_rec_in_width_l,
1485 req_per_swath_ub_l); // per req
1486
1487 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",{do { } while(0); }
1488 __func__,{do { } while(0); }
1489 refcyc_per_req_delivery_pre_l){do { } while(0); };
1490 dml_print("DML_DLG: %s: refcyc_per_req_delivery_l = %3.2f\n",{do { } while(0); }
1491 __func__,{do { } while(0); }
1492 refcyc_per_req_delivery_l){do { } while(0); };
1493
1494 ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(refcyc_per_req_delivery_pre_l
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(refcyc_per_req_delivery_pre_l < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1494); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1495 ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(refcyc_per_req_delivery_l
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(refcyc_per_req_delivery_l < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1495); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1496
1497 if (dual_plane) {
1498 refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1499 refclk_freq_in_mhz,
1500 pclk_freq_in_mhz,
1501 dst->odm_combine,
1502 full_recout_width,
1503 dst->hactive,
1504 vratio_pre_c,
1505 hscale_pixel_rate_c,
1506 scaler_rec_in_width_c,
1507 req_per_swath_ub_c); // per req
1508 refcyc_per_req_delivery_c = get_refcyc_per_delivery(mode_lib,
1509 refclk_freq_in_mhz,
1510 pclk_freq_in_mhz,
1511 dst->odm_combine,
1512 full_recout_width,
1513 dst->hactive,
1514 vratio_c,
1515 hscale_pixel_rate_c,
1516 scaler_rec_in_width_c,
1517 req_per_swath_ub_c); // per req
1518
1519 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",{do { } while(0); }
1520 __func__,{do { } while(0); }
1521 refcyc_per_req_delivery_pre_c){do { } while(0); };
1522 dml_print("DML_DLG: %s: refcyc_per_req_delivery_c = %3.2f\n",{do { } while(0); }
1523 __func__,{do { } while(0); }
1524 refcyc_per_req_delivery_c){do { } while(0); };
1525
1526 ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(refcyc_per_req_delivery_pre_c
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(refcyc_per_req_delivery_pre_c < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1526); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1527 ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(refcyc_per_req_delivery_c
< dml_pow(2, 13))); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(refcyc_per_req_delivery_c < dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1527); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1528 }
1529
1530 // TTU - Cursor
1531 refcyc_per_req_delivery_pre_cur0 = 0.0;
1532 refcyc_per_req_delivery_cur0 = 0.0;
1533 if (src->num_cursors > 0) {
1534 calculate_ttu_cursor(mode_lib,
1535 &refcyc_per_req_delivery_pre_cur0,
1536 &refcyc_per_req_delivery_cur0,
1537 refclk_freq_in_mhz,
1538 ref_freq_to_pix_freq,
1539 hscale_pixel_rate_l,
1540 scl->hscl_ratio,
1541 vratio_pre_l,
1542 vratio_l,
1543 src->cur0_src_width,
1544 (enum cursor_bpp)(src->cur0_bpp));
1545 }
1546
1547 refcyc_per_req_delivery_pre_cur1 = 0.0;
1548 refcyc_per_req_delivery_cur1 = 0.0;
1549 if (src->num_cursors > 1) {
1550 calculate_ttu_cursor(mode_lib,
1551 &refcyc_per_req_delivery_pre_cur1,
1552 &refcyc_per_req_delivery_cur1,
1553 refclk_freq_in_mhz,
1554 ref_freq_to_pix_freq,
1555 hscale_pixel_rate_l,
1556 scl->hscl_ratio,
1557 vratio_pre_l,
1558 vratio_l,
1559 src->cur1_src_width,
1560 (enum cursor_bpp)(src->cur1_bpp));
1561 }
1562
1563 // TTU - Misc
1564 // all hard-coded
1565
1566 // Assignment to register structures
1567 disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1568 ASSERT(disp_dlg_regs->dst_y_after_scaler < (unsigned int)8)do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->dst_y_after_scaler < (unsigned int)8)); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(disp_dlg_regs->dst_y_after_scaler < (unsigned int)8)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1568); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1569 disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1570 ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13))
); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1570); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1571 disp_dlg_regs->dst_y_prefetch = (unsigned int)(dst_y_prefetch * dml_pow(2, 2));
1572 disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int)(dst_y_per_vm_vblank * dml_pow(2, 2));
1573 disp_dlg_regs->dst_y_per_row_vblank = (unsigned int)(dst_y_per_row_vblank * dml_pow(2, 2));
1574 disp_dlg_regs->dst_y_per_vm_flip = (unsigned int)(dst_y_per_vm_flip * dml_pow(2, 2));
1575 disp_dlg_regs->dst_y_per_row_flip = (unsigned int)(dst_y_per_row_flip * dml_pow(2, 2));
1576
1577 disp_dlg_regs->vratio_prefetch = (unsigned int)(vratio_pre_l * dml_pow(2, 19));
1578 disp_dlg_regs->vratio_prefetch_c = (unsigned int)(vratio_pre_c * dml_pow(2, 19));
1579
1580 dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_vblank = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_vm_vblank){do { } while(0); };
1581 dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_vblank = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_row_vblank){do { } while(0); };
1582 dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_flip = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_vm_flip){do { } while(0); };
1583 dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_flip = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_row_flip){do { } while(0); };
1584 disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1585 (unsigned int)(dst_y_per_row_vblank * (double)htotal
1586 * ref_freq_to_pix_freq / (double)dpte_groups_per_row_ub_l);
1587 ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1587); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1588
1589 if (dual_plane) {
1590 disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int)(dst_y_per_row_vblank
1591 * (double)htotal * ref_freq_to_pix_freq
1592 / (double)dpte_groups_per_row_ub_c);
1593 ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_cdo { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_pte_group_vblank_c < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_pte_group_vblank_c < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1594); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
1594 < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_pte_group_vblank_c < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_pte_group_vblank_c < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1594); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1595 }
1596
1597 disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1598 (unsigned int)(dst_y_per_row_vblank * (double)htotal
1599 * ref_freq_to_pix_freq / (double)meta_chunks_per_row_ub_l);
1600 ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1600); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1601
1602 disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1603 disp_dlg_regs->refcyc_per_meta_chunk_vblank_l; // dcc for 4:2:0 is not supported in dcn1.0. assigned to be the same as _l for now
1604
1605 disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int)(dst_y_per_row_flip * htotal
1606 * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1607 disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int)(dst_y_per_row_flip * htotal
1608 * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1609
1610 if (dual_plane) {
1611 disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int)(dst_y_per_row_flip
1612 * htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1613 disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int)(dst_y_per_row_flip
1614 * htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1615 }
1616
1617 disp_dlg_regs->refcyc_per_vm_group_vblank = get_refcyc_per_vm_group_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
1618 disp_dlg_regs->refcyc_per_vm_group_flip = get_refcyc_per_vm_group_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
1619 disp_dlg_regs->refcyc_per_vm_req_vblank = get_refcyc_per_vm_req_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
1620 disp_dlg_regs->refcyc_per_vm_req_flip = get_refcyc_per_vm_req_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
1621
1622 // Clamp to max for now
1623 if (disp_dlg_regs->refcyc_per_vm_group_vblank >= (unsigned int)dml_pow(2, 23))
1624 disp_dlg_regs->refcyc_per_vm_group_vblank = dml_pow(2, 23) - 1;
1625
1626 if (disp_dlg_regs->refcyc_per_vm_group_flip >= (unsigned int)dml_pow(2, 23))
1627 disp_dlg_regs->refcyc_per_vm_group_flip = dml_pow(2, 23) - 1;
1628
1629 if (disp_dlg_regs->refcyc_per_vm_req_vblank >= (unsigned int)dml_pow(2, 23))
1630 disp_dlg_regs->refcyc_per_vm_req_vblank = dml_pow(2, 23) - 1;
1631
1632 if (disp_dlg_regs->refcyc_per_vm_req_flip >= (unsigned int)dml_pow(2, 23))
1633 disp_dlg_regs->refcyc_per_vm_req_flip = dml_pow(2, 23) - 1;
1634
1635 disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int)((double)dpte_row_height_l
1636 / (double)vratio_l * dml_pow(2, 2));
1637 ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17
))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1637); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1638
1639 if (dual_plane) {
1640 disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int)((double)dpte_row_height_c
1641 / (double)vratio_c * dml_pow(2, 2));
1642 if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int)dml_pow(2, 17)) {
1643 dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",{do { } while(0); }
1644 __func__,{do { } while(0); }
1645 disp_dlg_regs->dst_y_per_pte_row_nom_c,{do { } while(0); }
1646 (unsigned int)dml_pow(2, 17) - 1){do { } while(0); };
1647 }
1648 }
1649
1650 disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int)((double)meta_row_height_l
1651 / (double)vratio_l * dml_pow(2, 2));
1652 ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17
))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1652); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1653
1654 disp_dlg_regs->dst_y_per_meta_row_nom_c = disp_dlg_regs->dst_y_per_meta_row_nom_l; // TODO: dcc for 4:2:0 is not supported in dcn1.0. assigned to be the same as _l for now
1655
1656 dml_print("DML: Trow: %fus\n", line_time_in_us * (double)dpte_row_height_l / (double)vratio_l){do { } while(0); };
1657
1658 disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int)((double)dpte_row_height_l
1659 / (double)vratio_l * (double)htotal * ref_freq_to_pix_freq
1660 / (double)dpte_groups_per_row_ub_l);
1661 if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int)dml_pow(2, 23))
1662 disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1663 disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int)((double)meta_row_height_l
1664 / (double)vratio_l * (double)htotal * ref_freq_to_pix_freq
1665 / (double)meta_chunks_per_row_ub_l);
1666 if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int)dml_pow(2, 23))
1667 disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1668
1669 if (dual_plane) {
1670 disp_dlg_regs->refcyc_per_pte_group_nom_c =
1671 (unsigned int)((double)dpte_row_height_c / (double)vratio_c
1672 * (double)htotal * ref_freq_to_pix_freq
1673 / (double)dpte_groups_per_row_ub_c);
1674 if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int)dml_pow(2, 23))
1675 disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1676
1677 // TODO: Is this the right calculation? Does htotal need to be halved?
1678 disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1679 (unsigned int)((double)meta_row_height_c / (double)vratio_c
1680 * (double)htotal * ref_freq_to_pix_freq
1681 / (double)meta_chunks_per_row_ub_c);
1682 if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int)dml_pow(2, 23))
1683 disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1684 }
1685
1686 disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int)dml_floor(refcyc_per_line_delivery_pre_l,
1687 1);
1688 disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int)dml_floor(refcyc_per_line_delivery_l,
1689 1);
1690 ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1690); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1691 ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2,
13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1691); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1692
1693 disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int)dml_floor(refcyc_per_line_delivery_pre_c,
1694 1);
1695 disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int)dml_floor(refcyc_per_line_delivery_c,
1696 1);
1697 ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow
(2, 13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1697); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1698 ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2, 13))do { if (({ static int __warned; int __ret = !!(!(disp_dlg_regs
->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2,
13))); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2, 13))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1698); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1699
1700 disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1701 disp_dlg_regs->dst_y_offset_cur0 = 0;
1702 disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1703 disp_dlg_regs->dst_y_offset_cur1 = 0;
1704
1705 disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1706
1707 disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int)(refcyc_per_req_delivery_pre_l
1708 * dml_pow(2, 10));
1709 disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int)(refcyc_per_req_delivery_l
1710 * dml_pow(2, 10));
1711 disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int)(refcyc_per_req_delivery_pre_c
1712 * dml_pow(2, 10));
1713 disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int)(refcyc_per_req_delivery_c
1714 * dml_pow(2, 10));
1715 disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1716 (unsigned int)(refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1717 disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int)(refcyc_per_req_delivery_cur0
1718 * dml_pow(2, 10));
1719 disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1720 (unsigned int)(refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1721 disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int)(refcyc_per_req_delivery_cur1
1722 * dml_pow(2, 10));
1723 disp_ttu_regs->qos_level_low_wm = 0;
1724 ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14))do { if (({ static int __warned; int __ret = !!(!(disp_ttu_regs
->qos_level_low_wm < dml_pow(2, 14))); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1724); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1725 disp_ttu_regs->qos_level_high_wm = (unsigned int)(4.0 * (double)htotal
1726 * ref_freq_to_pix_freq);
1727 ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14))do { if (({ static int __warned; int __ret = !!(!(disp_ttu_regs
->qos_level_high_wm < dml_pow(2, 14))); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1727); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1728
1729 disp_ttu_regs->qos_level_flip = 14;
1730 disp_ttu_regs->qos_level_fixed_l = 8;
1731 disp_ttu_regs->qos_level_fixed_c = 8;
1732 disp_ttu_regs->qos_level_fixed_cur0 = 8;
1733 disp_ttu_regs->qos_ramp_disable_l = 0;
1734 disp_ttu_regs->qos_ramp_disable_c = 0;
1735 disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1736
1737 disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1738 ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24))do { if (({ static int __warned; int __ret = !!(!(disp_ttu_regs
->min_ttu_vblank < dml_pow(2, 24))); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24))"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c"
, 1738); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1739
1740 print__ttu_regs_st(mode_lib, disp_ttu_regs);
1741 print__dlg_regs_st(mode_lib, disp_dlg_regs);
1742}
1743
1744void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
1745 display_dlg_regs_st *dlg_regs,
1746 display_ttu_regs_st *ttu_regs,
1747 const display_e2e_pipe_params_st *e2e_pipe_param,
1748 const unsigned int num_pipes,
1749 const unsigned int pipe_idx,
1750 const bool_Bool cstate_en,
1751 const bool_Bool pstate_en,
1752 const bool_Bool vm_en,
1753 const bool_Bool ignore_viewport_pos,
1754 const bool_Bool immediate_flip_support)
1755{
1756 display_rq_params_st rq_param = { 0 };
1757 display_dlg_sys_params_st dlg_sys_param = { 0 };
1758
1759 // Get watermark and Tex.
1760 dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1761 dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
1762 e2e_pipe_param,
1763 num_pipes);
1764 dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1765 dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1766 dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1767 dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1768 dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
1769 e2e_pipe_param,
1770 num_pipes);
1771 dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
1772 e2e_pipe_param,
1773 num_pipes);
1774
1775 print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
1776
1777 // system parameter calculation done
1778
1779 dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx){do { } while(0); };
1780 dml_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe);
1781 dml_rq_dlg_get_dlg_params(mode_lib,
1782 e2e_pipe_param,
1783 num_pipes,
1784 pipe_idx,
1785 dlg_regs,
1786 ttu_regs,
1787 rq_param.dlg,
1788 dlg_sys_param,
1789 cstate_en,
1790 pstate_en,
1791 vm_en,
1792 ignore_viewport_pos,
1793 immediate_flip_support);
1794 dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx){do { } while(0); };
1795}
1796
1797#endif