Bug Summary

File:dev/pci/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
Warning:line 533, column 60
Division by zero

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name display_rq_dlg_calc_20.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -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 -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 +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/lib/clang/13.0.0 -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/swsmu -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/powerplay -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/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 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 -D CONFIG_DRM_AMD_DC_DCN3_0 -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 -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 /usr/obj/sys/arch/amd64/compile/GENERIC.MP/scan-build/2022-01-12-131800-47421-1 -x c /usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
1/*
2 * Copyright 2018 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 "../display_mode_lib.h"
27#include "../display_mode_vba.h"
28#include "display_rq_dlg_calc_20.h"
29
30// Function: dml20_rq_dlg_get_rq_params
31// Calculate requestor related parameters that register definition agnostic
32// (i.e. this layer does try to separate real values from register definition)
33// Input:
34// pipe_src_param - pipe source configuration (e.g. vp, pitch, etc.)
35// Output:
36// rq_param - values that can be used to setup RQ (e.g. swath_height, plane1_addr, etc.)
37//
38static void dml20_rq_dlg_get_rq_params(
39 struct display_mode_lib *mode_lib,
40 display_rq_params_st * rq_param,
41 const display_pipe_source_params_st pipe_src_param);
42
43// Function: dml20_rq_dlg_get_dlg_params
44// Calculate deadline related parameters
45//
46static void dml20_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
47 const display_e2e_pipe_params_st *e2e_pipe_param,
48 const unsigned int num_pipes,
49 const unsigned int pipe_idx,
50 display_dlg_regs_st *disp_dlg_regs,
51 display_ttu_regs_st *disp_ttu_regs,
52 const display_rq_dlg_params_st rq_dlg_param,
53 const display_dlg_sys_params_st dlg_sys_param,
54 const bool_Bool cstate_en,
55 const bool_Bool pstate_en);
56/*
57 * NOTE:
58 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
59 *
60 * It doesn't adhere to Linux kernel style and sometimes will do things in odd
61 * ways. Unless there is something clearly wrong with it the code should
62 * remain as-is as it provides us with a guarantee from HW that it is correct.
63 */
64
65static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
66 double *refcyc_per_req_delivery_pre_cur,
67 double *refcyc_per_req_delivery_cur,
68 double refclk_freq_in_mhz,
69 double ref_freq_to_pix_freq,
70 double hscale_pixel_rate_l,
71 double hscl_ratio,
72 double vratio_pre_l,
73 double vratio_l,
74 unsigned int cur_width,
75 enum cursor_bpp cur_bpp);
76
77#include "../dml_inline_defs.h"
78
79static unsigned int get_bytes_per_element(enum source_format_class source_format, bool_Bool is_chroma)
80{
81 unsigned int ret_val = 0;
82
83 if (source_format == dm_444_16) {
84 if (!is_chroma)
85 ret_val = 2;
86 } else if (source_format == dm_444_32) {
87 if (!is_chroma)
88 ret_val = 4;
89 } else if (source_format == dm_444_64) {
90 if (!is_chroma)
91 ret_val = 8;
92 } else if (source_format == dm_420_8) {
93 if (is_chroma)
94 ret_val = 2;
95 else
96 ret_val = 1;
97 } else if (source_format == dm_420_10) {
98 if (is_chroma)
99 ret_val = 4;
100 else
101 ret_val = 2;
102 } else if (source_format == dm_444_8) {
103 ret_val = 1;
104 }
105 return ret_val;
106}
107
108static bool_Bool is_dual_plane(enum source_format_class source_format)
109{
110 bool_Bool ret_val = false0;
111
112 if ((source_format == dm_420_8) || (source_format == dm_420_10))
113 ret_val = true1;
114
115 return ret_val;
116}
117
118static double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
119 double refclk_freq_in_mhz,
120 double pclk_freq_in_mhz,
121 bool_Bool odm_combine,
122 unsigned int recout_width,
123 unsigned int hactive,
124 double vratio,
125 double hscale_pixel_rate,
126 unsigned int delivery_width,
127 unsigned int req_per_swath_ub)
128{
129 double refcyc_per_delivery = 0.0;
130
131 if (vratio <= 1.0) {
132 if (odm_combine)
133 refcyc_per_delivery = (double) refclk_freq_in_mhz
134 * dml_min((double) recout_width, (double) hactive / 2.0)
135 / pclk_freq_in_mhz / (double) req_per_swath_ub;
136 else
137 refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) recout_width
138 / pclk_freq_in_mhz / (double) req_per_swath_ub;
139 } else {
140 refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) delivery_width
141 / (double) hscale_pixel_rate / (double) req_per_swath_ub;
142 }
143
144 dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz){do { } while(0); };
145 dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz){do { } while(0); };
146 dml_print("DML_DLG: %s: recout_width = %d\n", __func__, recout_width){do { } while(0); };
147 dml_print("DML_DLG: %s: vratio = %3.2f\n", __func__, vratio){do { } while(0); };
148 dml_print("DML_DLG: %s: req_per_swath_ub = %d\n", __func__, req_per_swath_ub){do { } while(0); };
149 dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery){do { } while(0); };
150
151 return refcyc_per_delivery;
152
153}
154
155static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
156{
157 if (tile_size == dm_256k_tile)
158 return (256 * 1024);
159 else if (tile_size == dm_64k_tile)
160 return (64 * 1024);
161 else
162 return (4 * 1024);
163}
164
165static void extract_rq_sizing_regs(struct display_mode_lib *mode_lib,
166 display_data_rq_regs_st *rq_regs,
167 const display_data_rq_sizing_params_st rq_sizing)
168{
169 dml_print("DML_DLG: %s: rq_sizing param\n", __func__){do { } while(0); };
170 print__data_rq_sizing_params_st(mode_lib, rq_sizing);
171
172 rq_regs->chunk_size = dml_log2(rq_sizing.chunk_bytes) - 10;
173
174 if (rq_sizing.min_chunk_bytes == 0)
175 rq_regs->min_chunk_size = 0;
176 else
177 rq_regs->min_chunk_size = dml_log2(rq_sizing.min_chunk_bytes) - 8 + 1;
178
179 rq_regs->meta_chunk_size = dml_log2(rq_sizing.meta_chunk_bytes) - 10;
180 if (rq_sizing.min_meta_chunk_bytes == 0)
181 rq_regs->min_meta_chunk_size = 0;
182 else
183 rq_regs->min_meta_chunk_size = dml_log2(rq_sizing.min_meta_chunk_bytes) - 6 + 1;
184
185 rq_regs->dpte_group_size = dml_log2(rq_sizing.dpte_group_bytes) - 6;
186 rq_regs->mpte_group_size = dml_log2(rq_sizing.mpte_group_bytes) - 6;
187}
188
189static void extract_rq_regs(struct display_mode_lib *mode_lib,
190 display_rq_regs_st *rq_regs,
191 const display_rq_params_st rq_param)
192{
193 unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
194 unsigned int detile_buf_plane1_addr = 0;
195
196 extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), rq_param.sizing.rq_l);
197
198 rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(dml_log2(rq_param.dlg.rq_l.dpte_row_height),
199 1) - 3;
200
201 if (rq_param.yuv420) {
202 extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), rq_param.sizing.rq_c);
203 rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(dml_log2(rq_param.dlg.rq_c.dpte_row_height),
204 1) - 3;
205 }
206
207 rq_regs->rq_regs_l.swath_height = dml_log2(rq_param.dlg.rq_l.swath_height);
208 rq_regs->rq_regs_c.swath_height = dml_log2(rq_param.dlg.rq_c.swath_height);
209
210 // TODO: take the max between luma, chroma chunk size?
211 // okay for now, as we are setting chunk_bytes to 8kb anyways
212 if (rq_param.sizing.rq_l.chunk_bytes >= 32 * 1024) { //32kb
213 rq_regs->drq_expansion_mode = 0;
214 } else {
215 rq_regs->drq_expansion_mode = 2;
216 }
217 rq_regs->prq_expansion_mode = 1;
218 rq_regs->mrq_expansion_mode = 1;
219 rq_regs->crq_expansion_mode = 1;
220
221 if (rq_param.yuv420) {
222 if ((double) rq_param.misc.rq_l.stored_swath_bytes
223 / (double) rq_param.misc.rq_c.stored_swath_bytes <= 1.5) {
224 detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); // half to chroma
225 } else {
226 detile_buf_plane1_addr = dml_round_to_multiple((unsigned int) ((2.0 * detile_buf_size_in_bytes) / 3.0),
227 256,
228 0) / 64.0; // 2/3 to chroma
229 }
230 }
231 rq_regs->plane1_base_address = detile_buf_plane1_addr;
232}
233
234static void handle_det_buf_split(struct display_mode_lib *mode_lib,
235 display_rq_params_st *rq_param,
236 const display_pipe_source_params_st pipe_src_param)
237{
238 unsigned int total_swath_bytes = 0;
239 unsigned int swath_bytes_l = 0;
240 unsigned int swath_bytes_c = 0;
241 unsigned int full_swath_bytes_packed_l = 0;
242 unsigned int full_swath_bytes_packed_c = 0;
243 bool_Bool req128_l = false0;
244 bool_Bool req128_c = false0;
245 bool_Bool surf_linear = (pipe_src_param.sw_mode == dm_sw_linear);
246 bool_Bool surf_vert = (pipe_src_param.source_scan == dm_vert);
247 unsigned int log2_swath_height_l = 0;
248 unsigned int log2_swath_height_c = 0;
249 unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
250
251 full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
252 full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
253
254 if (rq_param->yuv420_10bpc) {
255 full_swath_bytes_packed_l = dml_round_to_multiple(rq_param->misc.rq_l.full_swath_bytes * 2 / 3,
256 256,
257 1) + 256;
258 full_swath_bytes_packed_c = dml_round_to_multiple(rq_param->misc.rq_c.full_swath_bytes * 2 / 3,
259 256,
260 1) + 256;
261 }
262
263 if (rq_param->yuv420) {
264 total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
265
266 if (total_swath_bytes <= detile_buf_size_in_bytes) { //full 256b request
267 req128_l = false0;
268 req128_c = false0;
269 swath_bytes_l = full_swath_bytes_packed_l;
270 swath_bytes_c = full_swath_bytes_packed_c;
271 } else { //128b request (for luma only for yuv420 8bpc)
272 req128_l = true1;
273 req128_c = false0;
274 swath_bytes_l = full_swath_bytes_packed_l / 2;
275 swath_bytes_c = full_swath_bytes_packed_c;
276 }
277 // Note: assumption, the config that pass in will fit into
278 // the detiled buffer.
279 } else {
280 total_swath_bytes = 2 * full_swath_bytes_packed_l;
281
282 if (total_swath_bytes <= detile_buf_size_in_bytes)
283 req128_l = false0;
284 else
285 req128_l = true1;
286
287 swath_bytes_l = total_swath_bytes;
288 swath_bytes_c = 0;
289 }
290 rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
291 rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
292
293 if (surf_linear) {
294 log2_swath_height_l = 0;
295 log2_swath_height_c = 0;
296 } else {
297 unsigned int swath_height_l;
298 unsigned int swath_height_c;
299
300 if (!surf_vert) {
301 swath_height_l = rq_param->misc.rq_l.blk256_height;
302 swath_height_c = rq_param->misc.rq_c.blk256_height;
303 } else {
304 swath_height_l = rq_param->misc.rq_l.blk256_width;
305 swath_height_c = rq_param->misc.rq_c.blk256_width;
306 }
307
308 if (swath_height_l > 0)
309 log2_swath_height_l = dml_log2(swath_height_l);
310
311 if (req128_l && log2_swath_height_l > 0)
312 log2_swath_height_l -= 1;
313
314 if (swath_height_c > 0)
315 log2_swath_height_c = dml_log2(swath_height_c);
316
317 if (req128_c && log2_swath_height_c > 0)
318 log2_swath_height_c -= 1;
319 }
320
321 rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
322 rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
323
324 dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l){do { } while(0); };
325 dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c){do { } while(0); };
326 dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",{do { } while(0); }
327 __func__,{do { } while(0); }
328 full_swath_bytes_packed_l){do { } while(0); };
329 dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",{do { } while(0); }
330 __func__,{do { } while(0); }
331 full_swath_bytes_packed_c){do { } while(0); };
332}
333
334static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
335 display_data_rq_dlg_params_st *rq_dlg_param,
336 display_data_rq_misc_params_st *rq_misc_param,
337 display_data_rq_sizing_params_st *rq_sizing_param,
338 unsigned int vp_width,
339 unsigned int vp_height,
340 unsigned int data_pitch,
341 unsigned int meta_pitch,
342 unsigned int source_format,
343 unsigned int tiling,
344 unsigned int macro_tile_size,
345 unsigned int source_scan,
346 unsigned int is_chroma)
347{
348 bool_Bool surf_linear = (tiling == dm_sw_linear);
8
Assuming 'tiling' is equal to dm_sw_linear
349 bool_Bool surf_vert = (source_scan == dm_vert);
9
Assuming 'source_scan' is equal to dm_vert
350
351 unsigned int bytes_per_element;
352 unsigned int bytes_per_element_y = get_bytes_per_element((enum source_format_class)(source_format),
353 false0);
354 unsigned int bytes_per_element_c = get_bytes_per_element((enum source_format_class)(source_format),
355 true1);
356
357 unsigned int blk256_width = 0;
358 unsigned int blk256_height = 0;
359
360 unsigned int blk256_width_y = 0;
361 unsigned int blk256_height_y = 0;
362 unsigned int blk256_width_c = 0;
363 unsigned int blk256_height_c = 0;
364 unsigned int log2_bytes_per_element;
365 unsigned int log2_blk256_width;
366 unsigned int log2_blk256_height;
367 unsigned int blk_bytes;
368 unsigned int log2_blk_bytes;
369 unsigned int log2_blk_height;
370 unsigned int log2_blk_width;
371 unsigned int log2_meta_req_bytes;
372 unsigned int log2_meta_req_height;
373 unsigned int log2_meta_req_width;
374 unsigned int meta_req_width;
375 unsigned int meta_req_height;
376 unsigned int log2_meta_row_height;
377 unsigned int meta_row_width_ub;
378 unsigned int log2_meta_chunk_bytes;
379 unsigned int log2_meta_chunk_height;
380
381 //full sized meta chunk width in unit of data elements
382 unsigned int log2_meta_chunk_width;
383 unsigned int log2_min_meta_chunk_bytes;
384 unsigned int min_meta_chunk_width;
385 unsigned int meta_chunk_width;
386 unsigned int meta_chunk_per_row_int;
387 unsigned int meta_row_remainder;
388 unsigned int meta_chunk_threshold;
389 unsigned int meta_blk_bytes;
390 unsigned int meta_blk_height;
391 unsigned int meta_blk_width;
392 unsigned int meta_surface_bytes;
393 unsigned int vmpg_bytes;
394 unsigned int meta_pte_req_per_frame_ub;
395 unsigned int meta_pte_bytes_per_frame_ub;
396 const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
397 const unsigned int dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma;
398 const unsigned int pde_proc_buffer_size_64k_reqs =
399 mode_lib->ip.pde_proc_buffer_size_64k_reqs;
400
401 unsigned int log2_vmpg_height = 0;
402 unsigned int log2_vmpg_width = 0;
403 unsigned int log2_dpte_req_height_ptes = 0;
404 unsigned int log2_dpte_req_height = 0;
405 unsigned int log2_dpte_req_width = 0;
406 unsigned int log2_dpte_row_height_linear = 0;
407 unsigned int log2_dpte_row_height = 0;
408 unsigned int log2_dpte_group_width = 0;
409 unsigned int dpte_row_width_ub = 0;
410 unsigned int dpte_req_height = 0;
411 unsigned int dpte_req_width = 0;
412 unsigned int dpte_group_width = 0;
413 unsigned int log2_dpte_group_bytes = 0;
414 unsigned int log2_dpte_group_length = 0;
415 unsigned int pde_buf_entries;
416 bool_Bool yuv420 = (source_format
9.1
'source_format' is equal to dm_420_8
== dm_420_8 || source_format == dm_420_10);
417
418 Calculate256BBlockSizes((enum source_format_class)(source_format),
419 (enum dm_swizzle_mode)(tiling),
420 bytes_per_element_y,
421 bytes_per_element_c,
422 &blk256_height_y,
423 &blk256_height_c,
424 &blk256_width_y,
425 &blk256_width_c);
426
427 if (!is_chroma
9.2
'is_chroma' is 0
) {
10
Taking true branch
428 blk256_width = blk256_width_y;
429 blk256_height = blk256_height_y;
430 bytes_per_element = bytes_per_element_y;
431 } else {
432 blk256_width = blk256_width_c;
433 blk256_height = blk256_height_c;
434 bytes_per_element = bytes_per_element_c;
435 }
436
437 log2_bytes_per_element = dml_log2(bytes_per_element);
438
439 dml_print("DML_DLG: %s: surf_linear = %d\n", __func__, surf_linear){do { } while(0); };
11
Loop condition is false. Exiting loop
440 dml_print("DML_DLG: %s: surf_vert = %d\n", __func__, surf_vert){do { } while(0); };
12
Loop condition is false. Exiting loop
441 dml_print("DML_DLG: %s: blk256_width = %d\n", __func__, blk256_width){do { } while(0); };
13
Loop condition is false. Exiting loop
442 dml_print("DML_DLG: %s: blk256_height = %d\n", __func__, blk256_height){do { } while(0); };
14
Loop condition is false. Exiting loop
443
444 log2_blk256_width = dml_log2((double) blk256_width);
445 log2_blk256_height = dml_log2((double) blk256_height);
446 blk_bytes = surf_linear
14.1
'surf_linear' is true
?
15
'?' condition is true
447 256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
448 log2_blk_bytes = dml_log2((double) blk_bytes);
449 log2_blk_height = 0;
450 log2_blk_width = 0;
451
452 // remember log rule
453 // "+" in log is multiply
454 // "-" in log is divide
455 // "/2" is like square root
456 // blk is vertical biased
457 if (tiling
15.1
'tiling' is equal to dm_sw_linear
!= dm_sw_linear)
16
Taking false branch
458 log2_blk_height = log2_blk256_height
459 + dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1);
460 else
461 log2_blk_height = 0; // blk height of 1
462
463 log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
464
465 if (!surf_vert
16.1
'surf_vert' is true
) {
17
Taking false branch
466 rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1)
467 + blk256_width;
468 rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width;
469 } else {
470 rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_height - 1, blk256_height, 1)
471 + blk256_height;
472 rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height;
473 }
474
475 if (!surf_vert
17.1
'surf_vert' is true
)
18
Taking false branch
476 rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
477 * bytes_per_element;
478 else
479 rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
480 * bytes_per_element;
481
482 rq_misc_param->blk256_height = blk256_height;
483 rq_misc_param->blk256_width = blk256_width;
484
485 // -------
486 // meta
487 // -------
488 log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
489
490 // each 64b meta request for dcn is 8x8 meta elements and
491 // a meta element covers one 256b block of the the data surface.
492 log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
493 log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
494 - log2_meta_req_height;
495 meta_req_width = 1 << log2_meta_req_width;
496 meta_req_height = 1 << log2_meta_req_height;
497 log2_meta_row_height = 0;
498 meta_row_width_ub = 0;
499
500 // the dimensions of a meta row are meta_row_width x meta_row_height in elements.
501 // calculate upper bound of the meta_row_width
502 if (!surf_vert
18.1
'surf_vert' is true
) {
19
Taking false branch
503 log2_meta_row_height = log2_meta_req_height;
504 meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
505 + meta_req_width;
506 rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
507 } else {
508 log2_meta_row_height = log2_meta_req_width;
509 meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
510 + meta_req_height;
511 rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
512 }
513 rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
514
515 rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
516
517 log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
518 log2_meta_chunk_height = log2_meta_row_height;
519
520 //full sized meta chunk width in unit of data elements
521 log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
522 - log2_meta_chunk_height;
523 log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
524 min_meta_chunk_width = 1
525 << (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
526 - log2_meta_chunk_height);
527 meta_chunk_width = 1 << log2_meta_chunk_width;
528 meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width);
529 meta_row_remainder = meta_row_width_ub % meta_chunk_width;
530 meta_chunk_threshold = 0;
531 meta_blk_bytes = 4096;
532 meta_blk_height = blk256_height * 64;
20
The value 0 is assigned to 'meta_blk_height'
533 meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
21
Division by zero
534 meta_surface_bytes = meta_pitch
535 * (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + meta_blk_height)
536 * bytes_per_element / 256;
537 vmpg_bytes = mode_lib->soc.vmm_page_size_bytes;
538 meta_pte_req_per_frame_ub = (dml_round_to_multiple(meta_surface_bytes - vmpg_bytes,
539 8 * vmpg_bytes,
540 1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
541 meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
542 rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
543
544 dml_print("DML_DLG: %s: meta_blk_height = %d\n", __func__, meta_blk_height){do { } while(0); };
545 dml_print("DML_DLG: %s: meta_blk_width = %d\n", __func__, meta_blk_width){do { } while(0); };
546 dml_print("DML_DLG: %s: meta_surface_bytes = %d\n", __func__, meta_surface_bytes){do { } while(0); };
547 dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub = %d\n",{do { } while(0); }
548 __func__,{do { } while(0); }
549 meta_pte_req_per_frame_ub){do { } while(0); };
550 dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",{do { } while(0); }
551 __func__,{do { } while(0); }
552 meta_pte_bytes_per_frame_ub){do { } while(0); };
553
554 if (!surf_vert)
555 meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
556 else
557 meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
558
559 if (meta_row_remainder <= meta_chunk_threshold)
560 rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
561 else
562 rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
563
564 // ------
565 // dpte
566 // ------
567 if (surf_linear) {
568 log2_vmpg_height = 0; // one line high
569 } else {
570 log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
571 }
572 log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
573
574 // only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
575 if (surf_linear) { //one 64B PTE request returns 8 PTEs
576 log2_dpte_req_height_ptes = 0;
577 log2_dpte_req_width = log2_vmpg_width + 3;
578 log2_dpte_req_height = 0;
579 } else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
580 //one 64B req gives 8x1 PTEs for 4KB tile
581 log2_dpte_req_height_ptes = 0;
582 log2_dpte_req_width = log2_blk_width + 3;
583 log2_dpte_req_height = log2_blk_height + 0;
584 } else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
585 //two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
586 log2_dpte_req_height_ptes = 4;
587 log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
588 log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
589 } else { //64KB page size and must 64KB tile block
590 //one 64B req gives 8x1 PTEs for 64KB tile
591 log2_dpte_req_height_ptes = 0;
592 log2_dpte_req_width = log2_blk_width + 3;
593 log2_dpte_req_height = log2_blk_height + 0;
594 }
595
596 // The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
597 // log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
598 // That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
599 //log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes;
600 //log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes;
601 dpte_req_height = 1 << log2_dpte_req_height;
602 dpte_req_width = 1 << log2_dpte_req_width;
603
604 // calculate pitch dpte row buffer can hold
605 // round the result down to a power of two.
606 pde_buf_entries = yuv420 ? (pde_proc_buffer_size_64k_reqs >> 1) : pde_proc_buffer_size_64k_reqs;
607 if (surf_linear) {
608 unsigned int dpte_row_height;
609
610 log2_dpte_row_height_linear = dml_floor(dml_log2(dml_min(64 * 1024 * pde_buf_entries
611 / bytes_per_element,
612 dpte_buf_in_pte_reqs
613 * dpte_req_width)
614 / data_pitch),
615 1);
616
617 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/dcn20/display_rq_dlg_calc_20.c"
, 617); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
618
619 if (log2_dpte_row_height_linear > 7)
620 log2_dpte_row_height_linear = 7;
621
622 log2_dpte_row_height = log2_dpte_row_height_linear;
623 // For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
624 // the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
625 dpte_row_height = 1 << log2_dpte_row_height;
626 dpte_row_width_ub = dml_round_to_multiple(data_pitch * dpte_row_height - 1,
627 dpte_req_width,
628 1) + dpte_req_width;
629 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
630 } else {
631 // the upper bound of the dpte_row_width without dependency on viewport position follows.
632 // for tiled mode, row height is the same as req height and row store up to vp size upper bound
633 if (!surf_vert) {
634 log2_dpte_row_height = log2_dpte_req_height;
635 dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
636 + dpte_req_width;
637 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
638 } else {
639 log2_dpte_row_height =
640 (log2_blk_width < log2_dpte_req_width) ?
641 log2_blk_width : log2_dpte_req_width;
642 dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
643 + dpte_req_height;
644 rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
645 }
646 }
647 if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
648 rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
649 else
650 rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
651
652 rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
653
654 // the dpte_group_bytes is reduced for the specific case of vertical
655 // access of a tile surface that has dpte request of 8x1 ptes.
656 if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) //reduced, in this case, will have page fault within a group
657 rq_sizing_param->dpte_group_bytes = 512;
658 else
659 //full size
660 rq_sizing_param->dpte_group_bytes = 2048;
661
662 //since pte request size is 64byte, the number of data pte requests per full sized group is as follows.
663 log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
664 log2_dpte_group_length = log2_dpte_group_bytes - 6; //length in 64b requests
665
666 // full sized data pte group width in elements
667 if (!surf_vert)
668 log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
669 else
670 log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
671
672 //But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
673 if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
674 log2_dpte_group_width = log2_dpte_group_width - 1;
675
676 dpte_group_width = 1 << log2_dpte_group_width;
677
678 // since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
679 // the upper bound for the dpte groups per row is as follows.
680 rq_dlg_param->dpte_groups_per_row_ub = dml_ceil((double) dpte_row_width_ub / dpte_group_width,
681 1);
682}
683
684static void get_surf_rq_param(struct display_mode_lib *mode_lib,
685 display_data_rq_sizing_params_st *rq_sizing_param,
686 display_data_rq_dlg_params_st *rq_dlg_param,
687 display_data_rq_misc_params_st *rq_misc_param,
688 const display_pipe_source_params_st pipe_src_param,
689 bool_Bool is_chroma)
690{
691 bool_Bool mode_422 = false0;
692 unsigned int vp_width = 0;
693 unsigned int vp_height = 0;
694 unsigned int data_pitch = 0;
695 unsigned int meta_pitch = 0;
696 unsigned int ppe = mode_422
3.1
'mode_422' is false
? 2 : 1;
4
'?' condition is false
697
698 // TODO check if ppe apply for both luma and chroma in 422 case
699 if (is_chroma
4.1
'is_chroma' is false
) {
5
Taking false branch
700 vp_width = pipe_src_param.viewport_width_c / ppe;
701 vp_height = pipe_src_param.viewport_height_c;
702 data_pitch = pipe_src_param.data_pitch_c;
703 meta_pitch = pipe_src_param.meta_pitch_c;
704 } else {
705 vp_width = pipe_src_param.viewport_width / ppe;
706 vp_height = pipe_src_param.viewport_height;
707 data_pitch = pipe_src_param.data_pitch;
708 meta_pitch = pipe_src_param.meta_pitch;
709 }
710
711 rq_sizing_param->chunk_bytes = 8192;
712
713 if (rq_sizing_param->chunk_bytes == 64 * 1024)
6
Taking false branch
714 rq_sizing_param->min_chunk_bytes = 0;
715 else
716 rq_sizing_param->min_chunk_bytes = 1024;
717
718 rq_sizing_param->meta_chunk_bytes = 2048;
719 rq_sizing_param->min_meta_chunk_bytes = 256;
720
721 rq_sizing_param->mpte_group_bytes = 2048;
722
723 get_meta_and_pte_attr(mode_lib,
7
Calling 'get_meta_and_pte_attr'
724 rq_dlg_param,
725 rq_misc_param,
726 rq_sizing_param,
727 vp_width,
728 vp_height,
729 data_pitch,
730 meta_pitch,
731 pipe_src_param.source_format,
732 pipe_src_param.sw_mode,
733 pipe_src_param.macro_tile_size,
734 pipe_src_param.source_scan,
735 is_chroma);
736}
737
738static void dml20_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
739 display_rq_params_st *rq_param,
740 const display_pipe_source_params_st pipe_src_param)
741{
742 // get param for luma surface
743 rq_param->yuv420 = pipe_src_param.source_format == dm_420_8
2
Assuming field 'source_format' is equal to dm_420_8
744 || pipe_src_param.source_format == dm_420_10;
745 rq_param->yuv420_10bpc = pipe_src_param.source_format == dm_420_10;
746
747 get_surf_rq_param(mode_lib,
3
Calling 'get_surf_rq_param'
748 &(rq_param->sizing.rq_l),
749 &(rq_param->dlg.rq_l),
750 &(rq_param->misc.rq_l),
751 pipe_src_param,
752 0);
753
754 if (is_dual_plane((enum source_format_class)(pipe_src_param.source_format))) {
755 // get param for chroma surface
756 get_surf_rq_param(mode_lib,
757 &(rq_param->sizing.rq_c),
758 &(rq_param->dlg.rq_c),
759 &(rq_param->misc.rq_c),
760 pipe_src_param,
761 1);
762 }
763
764 // calculate how to split the det buffer space between luma and chroma
765 handle_det_buf_split(mode_lib, rq_param, pipe_src_param);
766 print__rq_params_st(mode_lib, *rq_param);
767}
768
769void dml20_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
770 display_rq_regs_st *rq_regs,
771 const display_pipe_params_st pipe_param)
772{
773 display_rq_params_st rq_param = {0};
774
775 memset(rq_regs, 0, sizeof(*rq_regs))__builtin_memset((rq_regs), (0), (sizeof(*rq_regs)));
776 dml20_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param.src);
1
Calling 'dml20_rq_dlg_get_rq_params'
777 extract_rq_regs(mode_lib, rq_regs, rq_param);
778
779 print__rq_regs_st(mode_lib, *rq_regs);
780}
781
782// Note: currently taken in as is.
783// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
784static void dml20_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
785 const display_e2e_pipe_params_st *e2e_pipe_param,
786 const unsigned int num_pipes,
787 const unsigned int pipe_idx,
788 display_dlg_regs_st *disp_dlg_regs,
789 display_ttu_regs_st *disp_ttu_regs,
790 const display_rq_dlg_params_st rq_dlg_param,
791 const display_dlg_sys_params_st dlg_sys_param,
792 const bool_Bool cstate_en,
793 const bool_Bool pstate_en)
794{
795 const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
796 const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
797 const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
798 const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
799 const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
800 const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
801
802 // -------------------------
803 // Section 1.15.2.1: OTG dependent Params
804 // -------------------------
805 // Timing
806 unsigned int htotal = dst->htotal;
807// unsigned int hblank_start = dst.hblank_start; // TODO: Remove
808 unsigned int hblank_end = dst->hblank_end;
809 unsigned int vblank_start = dst->vblank_start;
810 unsigned int vblank_end = dst->vblank_end;
811 unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
812
813 double dppclk_freq_in_mhz = clks->dppclk_mhz;
814 double dispclk_freq_in_mhz = clks->dispclk_mhz;
815 double refclk_freq_in_mhz = clks->refclk_mhz;
816 double pclk_freq_in_mhz = dst->pixel_rate_mhz;
817 bool_Bool interlaced = dst->interlaced;
818
819 double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
820
821 double min_dcfclk_mhz;
822 double t_calc_us;
823 double min_ttu_vblank;
824
825 double min_dst_y_ttu_vblank;
826 unsigned int dlg_vblank_start;
827 bool_Bool dual_plane;
828 bool_Bool mode_422;
829 unsigned int access_dir;
830 unsigned int vp_height_l;
831 unsigned int vp_width_l;
832 unsigned int vp_height_c;
833 unsigned int vp_width_c;
834
835 // Scaling
836 unsigned int htaps_l;
837 unsigned int htaps_c;
838 double hratio_l;
839 double hratio_c;
840 double vratio_l;
841 double vratio_c;
842 bool_Bool scl_enable;
843
844 double line_time_in_us;
845 // double vinit_l;
846 // double vinit_c;
847 // double vinit_bot_l;
848 // double vinit_bot_c;
849
850 // unsigned int swath_height_l;
851 unsigned int swath_width_ub_l;
852 // unsigned int dpte_bytes_per_row_ub_l;
853 unsigned int dpte_groups_per_row_ub_l;
854 // unsigned int meta_pte_bytes_per_frame_ub_l;
855 // unsigned int meta_bytes_per_row_ub_l;
856
857 // unsigned int swath_height_c;
858 unsigned int swath_width_ub_c;
859 // unsigned int dpte_bytes_per_row_ub_c;
860 unsigned int dpte_groups_per_row_ub_c;
861
862 unsigned int meta_chunks_per_row_ub_l;
863 unsigned int meta_chunks_per_row_ub_c;
864 unsigned int vupdate_offset;
865 unsigned int vupdate_width;
866 unsigned int vready_offset;
867
868 unsigned int dppclk_delay_subtotal;
869 unsigned int dispclk_delay_subtotal;
870 unsigned int pixel_rate_delay_subtotal;
871
872 unsigned int vstartup_start;
873 unsigned int dst_x_after_scaler;
874 unsigned int dst_y_after_scaler;
875 double line_wait;
876 double dst_y_prefetch;
877 double dst_y_per_vm_vblank;
878 double dst_y_per_row_vblank;
879 double dst_y_per_vm_flip;
880 double dst_y_per_row_flip;
881 double min_dst_y_per_vm_vblank;
882 double min_dst_y_per_row_vblank;
883 double lsw;
884 double vratio_pre_l;
885 double vratio_pre_c;
886 unsigned int req_per_swath_ub_l;
887 unsigned int req_per_swath_ub_c;
888 unsigned int meta_row_height_l;
889 unsigned int meta_row_height_c;
890 unsigned int swath_width_pixels_ub_l;
891 unsigned int swath_width_pixels_ub_c;
892 unsigned int scaler_rec_in_width_l;
893 unsigned int scaler_rec_in_width_c;
894 unsigned int dpte_row_height_l;
895 unsigned int dpte_row_height_c;
896 double hscale_pixel_rate_l;
897 double hscale_pixel_rate_c;
898 double min_hratio_fact_l;
899 double min_hratio_fact_c;
900 double refcyc_per_line_delivery_pre_l;
901 double refcyc_per_line_delivery_pre_c;
902 double refcyc_per_line_delivery_l;
903 double refcyc_per_line_delivery_c;
904
905 double refcyc_per_req_delivery_pre_l;
906 double refcyc_per_req_delivery_pre_c;
907 double refcyc_per_req_delivery_l;
908 double refcyc_per_req_delivery_c;
909
910 unsigned int full_recout_width;
911 double refcyc_per_req_delivery_pre_cur0;
912 double refcyc_per_req_delivery_cur0;
913 double refcyc_per_req_delivery_pre_cur1;
914 double refcyc_per_req_delivery_cur1;
915
916 memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs))__builtin_memset((disp_dlg_regs), (0), (sizeof(*disp_dlg_regs
)))
;
917 memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs))__builtin_memset((disp_ttu_regs), (0), (sizeof(*disp_ttu_regs
)))
;
918
919 dml_print("DML_DLG: %s: cstate_en = %d\n", __func__, cstate_en){do { } while(0); };
920 dml_print("DML_DLG: %s: pstate_en = %d\n", __func__, pstate_en){do { } while(0); };
921
922 dml_print("DML_DLG: %s: dppclk_freq_in_mhz = %3.2f\n", __func__, dppclk_freq_in_mhz){do { } while(0); };
923 dml_print("DML_DLG: %s: dispclk_freq_in_mhz = %3.2f\n", __func__, dispclk_freq_in_mhz){do { } while(0); };
924 dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz){do { } while(0); };
925 dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz){do { } while(0); };
926 dml_print("DML_DLG: %s: interlaced = %d\n", __func__, interlaced){do { } while(0); };
927 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/dcn20/display_rq_dlg_calc_20.c"
, 927); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
928
929 disp_dlg_regs->ref_freq_to_pix_freq =
930 (unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
931 disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal
932 * dml_pow(2, 8));
933 disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
934 disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end
935 * (double) ref_freq_to_pix_freq);
936 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/dcn20/display_rq_dlg_calc_20.c"
, 936); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
937
938 min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
939 t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
940 min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
941
942 min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal;
943 dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
944
945 disp_dlg_regs->min_dst_y_next_start = (unsigned int) ((double) dlg_vblank_start * dml_pow(2, 2));
946 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/dcn20/display_rq_dlg_calc_20.c"
, 946); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
947
948 dml_print("DML_DLG: %s: min_dcfclk_mhz = %3.2f\n",{do { } while(0); }
949 __func__,{do { } while(0); }
950 min_dcfclk_mhz){do { } while(0); };
951 dml_print("DML_DLG: %s: min_ttu_vblank = %3.2f\n",{do { } while(0); }
952 __func__,{do { } while(0); }
953 min_ttu_vblank){do { } while(0); };
954 dml_print("DML_DLG: %s: min_dst_y_ttu_vblank = %3.2f\n",{do { } while(0); }
955 __func__,{do { } while(0); }
956 min_dst_y_ttu_vblank){do { } while(0); };
957 dml_print("DML_DLG: %s: t_calc_us = %3.2f\n",{do { } while(0); }
958 __func__,{do { } while(0); }
959 t_calc_us){do { } while(0); };
960 dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start = 0x%0x\n",{do { } while(0); }
961 __func__,{do { } while(0); }
962 disp_dlg_regs->min_dst_y_next_start){do { } while(0); };
963 dml_print("DML_DLG: %s: ref_freq_to_pix_freq = %3.2f\n",{do { } while(0); }
964 __func__,{do { } while(0); }
965 ref_freq_to_pix_freq){do { } while(0); };
966
967 // -------------------------
968 // Section 1.15.2.2: Prefetch, Active and TTU
969 // -------------------------
970 // Prefetch Calc
971 // Source
972// dcc_en = src.dcc;
973 dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
974 mode_422 = false0; // TODO
975 access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
976// bytes_per_element_l = get_bytes_per_element(source_format_class(src.source_format), 0);
977// bytes_per_element_c = get_bytes_per_element(source_format_class(src.source_format), 1);
978 vp_height_l = src->viewport_height;
979 vp_width_l = src->viewport_width;
980 vp_height_c = src->viewport_height_c;
981 vp_width_c = src->viewport_width_c;
982
983 // Scaling
984 htaps_l = taps->htaps;
985 htaps_c = taps->htaps_c;
986 hratio_l = scl->hscl_ratio;
987 hratio_c = scl->hscl_ratio_c;
988 vratio_l = scl->vscl_ratio;
989 vratio_c = scl->vscl_ratio_c;
990 scl_enable = scl->scl_enable;
991
992 line_time_in_us = (htotal / pclk_freq_in_mhz);
993// vinit_l = scl.vinit;
994// vinit_c = scl.vinit_c;
995// vinit_bot_l = scl.vinit_bot;
996// vinit_bot_c = scl.vinit_bot_c;
997
998// unsigned int swath_height_l = rq_dlg_param.rq_l.swath_height;
999 swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
1000// unsigned int dpte_bytes_per_row_ub_l = rq_dlg_param.rq_l.dpte_bytes_per_row_ub;
1001 dpte_groups_per_row_ub_l = rq_dlg_param.rq_l.dpte_groups_per_row_ub;
1002// unsigned int meta_pte_bytes_per_frame_ub_l = rq_dlg_param.rq_l.meta_pte_bytes_per_frame_ub;
1003// unsigned int meta_bytes_per_row_ub_l = rq_dlg_param.rq_l.meta_bytes_per_row_ub;
1004
1005// unsigned int swath_height_c = rq_dlg_param.rq_c.swath_height;
1006 swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub;
1007 // dpte_bytes_per_row_ub_c = rq_dlg_param.rq_c.dpte_bytes_per_row_ub;
1008 dpte_groups_per_row_ub_c = rq_dlg_param.rq_c.dpte_groups_per_row_ub;
1009
1010 meta_chunks_per_row_ub_l = rq_dlg_param.rq_l.meta_chunks_per_row_ub;
1011 meta_chunks_per_row_ub_c = rq_dlg_param.rq_c.meta_chunks_per_row_ub;
1012 vupdate_offset = dst->vupdate_offset;
1013 vupdate_width = dst->vupdate_width;
1014 vready_offset = dst->vready_offset;
1015
1016 dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1017 dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1018
1019 if (scl_enable)
1020 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1021 else
1022 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1023
1024 dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1025 + src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1026
1027 if (dout->dsc_enable) {
1028 double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1029
1030 dispclk_delay_subtotal += dsc_delay;
1031 }
1032
1033 pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1034 + dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1035
1036 vstartup_start = dst->vstartup_start;
1037 if (interlaced) {
1038 if (vstartup_start / 2.0
1039 - (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1040 <= vblank_end / 2.0)
1041 disp_dlg_regs->vready_after_vcount0 = 1;
1042 else
1043 disp_dlg_regs->vready_after_vcount0 = 0;
1044 } else {
1045 if (vstartup_start
1046 - (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1047 <= vblank_end)
1048 disp_dlg_regs->vready_after_vcount0 = 1;
1049 else
1050 disp_dlg_regs->vready_after_vcount0 = 0;
1051 }
1052
1053 // TODO: Where is this coming from?
1054 if (interlaced)
1055 vstartup_start = vstartup_start / 2;
1056
1057 // TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1058 if (vstartup_start >= min_vblank) {
1059 dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",{do { } while(0); }
1060 __func__,{do { } while(0); }
1061 vblank_start,{do { } while(0); }
1062 vblank_end){do { } while(0); };
1063 dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",{do { } while(0); }
1064 __func__,{do { } while(0); }
1065 vstartup_start,{do { } while(0); }
1066 min_vblank){do { } while(0); };
1067 min_vblank = vstartup_start + 1;
1068 dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",{do { } while(0); }
1069 __func__,{do { } while(0); }
1070 vstartup_start,{do { } while(0); }
1071 min_vblank){do { } while(0); };
1072 }
1073
1074 dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1075 dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1076
1077 dml_print("DML_DLG: %s: htotal = %d\n", __func__, htotal){do { } while(0); };
1078 dml_print("DML_DLG: %s: pixel_rate_delay_subtotal = %d\n",{do { } while(0); }
1079 __func__,{do { } while(0); }
1080 pixel_rate_delay_subtotal){do { } while(0); };
1081 dml_print("DML_DLG: %s: dst_x_after_scaler = %d\n",{do { } while(0); }
1082 __func__,{do { } while(0); }
1083 dst_x_after_scaler){do { } while(0); };
1084 dml_print("DML_DLG: %s: dst_y_after_scaler = %d\n",{do { } while(0); }
1085 __func__,{do { } while(0); }
1086 dst_y_after_scaler){do { } while(0); };
1087
1088 // Lwait
1089 line_wait = mode_lib->soc.urgent_latency_us;
1090 if (cstate_en)
1091 line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1092 if (pstate_en)
1093 line_wait = dml_max(mode_lib->soc.dram_clock_change_latency_us
1094 + mode_lib->soc.urgent_latency_us,
1095 line_wait);
1096 line_wait = line_wait / line_time_in_us;
1097
1098 dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1099 dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch){do { } while(0); };
1100
1101 dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
1102 e2e_pipe_param,
1103 num_pipes,
1104 pipe_idx);
1105 dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
1106 e2e_pipe_param,
1107 num_pipes,
1108 pipe_idx);
1109 dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1110 dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1111
1112 min_dst_y_per_vm_vblank = 8.0;
1113 min_dst_y_per_row_vblank = 16.0;
1114
1115 // magic!
1116 if (htotal <= 75) {
1117 min_vblank = 300;
1118 min_dst_y_per_vm_vblank = 100.0;
1119 min_dst_y_per_row_vblank = 100.0;
1120 }
1121
1122 dml_print("DML_DLG: %s: dst_y_per_vm_vblank = %3.2f\n", __func__, dst_y_per_vm_vblank){do { } while(0); };
1123 dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank){do { } while(0); };
1124
1125 ASSERT(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank)do { if (({ static int __warned; int __ret = !!(!(dst_y_per_vm_vblank
< min_dst_y_per_vm_vblank)); if (__ret && !__warned
) { printf("WARNING %s failed at %s:%d\n", "!(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c"
, 1125); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1126 ASSERT(dst_y_per_row_vblank < min_dst_y_per_row_vblank)do { if (({ static int __warned; int __ret = !!(!(dst_y_per_row_vblank
< min_dst_y_per_row_vblank)); if (__ret && !__warned
) { printf("WARNING %s failed at %s:%d\n", "!(dst_y_per_row_vblank < min_dst_y_per_row_vblank)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c"
, 1126); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1127
1128 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/dcn20/display_rq_dlg_calc_20.c"
, 1128); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1129 lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1130
1131 dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw){do { } while(0); };
1132
1133 vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1134 vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1135
1136 dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l){do { } while(0); };
1137 dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c){do { } while(0); };
1138
1139 // Active
1140 req_per_swath_ub_l = rq_dlg_param.rq_l.req_per_swath_ub;
1141 req_per_swath_ub_c = rq_dlg_param.rq_c.req_per_swath_ub;
1142 meta_row_height_l = rq_dlg_param.rq_l.meta_row_height;
1143 meta_row_height_c = rq_dlg_param.rq_c.meta_row_height;
1144 swath_width_pixels_ub_l = 0;
1145 swath_width_pixels_ub_c = 0;
1146 scaler_rec_in_width_l = 0;
1147 scaler_rec_in_width_c = 0;
1148 dpte_row_height_l = rq_dlg_param.rq_l.dpte_row_height;
1149 dpte_row_height_c = rq_dlg_param.rq_c.dpte_row_height;
1150
1151 if (mode_422) {
1152 swath_width_pixels_ub_l = swath_width_ub_l * 2; // *2 for 2 pixel per element
1153 swath_width_pixels_ub_c = swath_width_ub_c * 2;
1154 } else {
1155 swath_width_pixels_ub_l = swath_width_ub_l * 1;
1156 swath_width_pixels_ub_c = swath_width_ub_c * 1;
1157 }
1158
1159 hscale_pixel_rate_l = 0.;
1160 hscale_pixel_rate_c = 0.;
1161 min_hratio_fact_l = 1.0;
1162 min_hratio_fact_c = 1.0;
1163
1164 if (htaps_l <= 1)
1165 min_hratio_fact_l = 2.0;
1166 else if (htaps_l <= 6) {
1167 if ((hratio_l * 2.0) > 4.0)
1168 min_hratio_fact_l = 4.0;
1169 else
1170 min_hratio_fact_l = hratio_l * 2.0;
1171 } else {
1172 if (hratio_l > 4.0)
1173 min_hratio_fact_l = 4.0;
1174 else
1175 min_hratio_fact_l = hratio_l;
1176 }
1177
1178 hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1179
1180 if (htaps_c <= 1)
1181 min_hratio_fact_c = 2.0;
1182 else if (htaps_c <= 6) {
1183 if ((hratio_c * 2.0) > 4.0)
1184 min_hratio_fact_c = 4.0;
1185 else
1186 min_hratio_fact_c = hratio_c * 2.0;
1187 } else {
1188 if (hratio_c > 4.0)
1189 min_hratio_fact_c = 4.0;
1190 else
1191 min_hratio_fact_c = hratio_c;
1192 }
1193
1194 hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1195
1196 refcyc_per_line_delivery_pre_l = 0.;
1197 refcyc_per_line_delivery_pre_c = 0.;
1198 refcyc_per_line_delivery_l = 0.;
1199 refcyc_per_line_delivery_c = 0.;
1200
1201 refcyc_per_req_delivery_pre_l = 0.;
1202 refcyc_per_req_delivery_pre_c = 0.;
1203 refcyc_per_req_delivery_l = 0.;
1204 refcyc_per_req_delivery_c = 0.;
1205
1206 full_recout_width = 0;
1207 // In ODM
1208 if (src->is_hsplit) {
1209 // This "hack" is only allowed (and valid) for MPC combine. In ODM
1210 // combine, you MUST specify the full_recout_width...according to Oswin
1211 if (dst->full_recout_width == 0 && !dst->odm_combine) {
1212 dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",{do { } while(0); }
1213 __func__){do { } while(0); };
1214 full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1215 } else
1216 full_recout_width = dst->full_recout_width;
1217 } else
1218 full_recout_width = dst->recout_width;
1219
1220 // As of DCN2, mpc_combine and odm_combine are mutually exclusive
1221 refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1222 refclk_freq_in_mhz,
1223 pclk_freq_in_mhz,
1224 dst->odm_combine,
1225 full_recout_width,
1226 dst->hactive,
1227 vratio_pre_l,
1228 hscale_pixel_rate_l,
1229 swath_width_pixels_ub_l,
1230 1); // per line
1231
1232 refcyc_per_line_delivery_l = get_refcyc_per_delivery(mode_lib,
1233 refclk_freq_in_mhz,
1234 pclk_freq_in_mhz,
1235 dst->odm_combine,
1236 full_recout_width,
1237 dst->hactive,
1238 vratio_l,
1239 hscale_pixel_rate_l,
1240 swath_width_pixels_ub_l,
1241 1); // per line
1242
1243 dml_print("DML_DLG: %s: full_recout_width = %d\n",{do { } while(0); }
1244 __func__,{do { } while(0); }
1245 full_recout_width){do { } while(0); };
1246 dml_print("DML_DLG: %s: hscale_pixel_rate_l = %3.2f\n",{do { } while(0); }
1247 __func__,{do { } while(0); }
1248 hscale_pixel_rate_l){do { } while(0); };
1249 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",{do { } while(0); }
1250 __func__,{do { } while(0); }
1251 refcyc_per_line_delivery_pre_l){do { } while(0); };
1252 dml_print("DML_DLG: %s: refcyc_per_line_delivery_l = %3.2f\n",{do { } while(0); }
1253 __func__,{do { } while(0); }
1254 refcyc_per_line_delivery_l){do { } while(0); };
1255
1256 if (dual_plane) {
1257 refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1258 refclk_freq_in_mhz,
1259 pclk_freq_in_mhz,
1260 dst->odm_combine,
1261 full_recout_width,
1262 dst->hactive,
1263 vratio_pre_c,
1264 hscale_pixel_rate_c,
1265 swath_width_pixels_ub_c,
1266 1); // per line
1267
1268 refcyc_per_line_delivery_c = get_refcyc_per_delivery(mode_lib,
1269 refclk_freq_in_mhz,
1270 pclk_freq_in_mhz,
1271 dst->odm_combine,
1272 full_recout_width,
1273 dst->hactive,
1274 vratio_c,
1275 hscale_pixel_rate_c,
1276 swath_width_pixels_ub_c,
1277 1); // per line
1278
1279 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",{do { } while(0); }
1280 __func__,{do { } while(0); }
1281 refcyc_per_line_delivery_pre_c){do { } while(0); };
1282 dml_print("DML_DLG: %s: refcyc_per_line_delivery_c = %3.2f\n",{do { } while(0); }
1283 __func__,{do { } while(0); }
1284 refcyc_per_line_delivery_c){do { } while(0); };
1285 }
1286
1287 // TTU - Luma / Chroma
1288 if (access_dir) { // vertical access
1289 scaler_rec_in_width_l = vp_height_l;
1290 scaler_rec_in_width_c = vp_height_c;
1291 } else {
1292 scaler_rec_in_width_l = vp_width_l;
1293 scaler_rec_in_width_c = vp_width_c;
1294 }
1295
1296 refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1297 refclk_freq_in_mhz,
1298 pclk_freq_in_mhz,
1299 dst->odm_combine,
1300 full_recout_width,
1301 dst->hactive,
1302 vratio_pre_l,
1303 hscale_pixel_rate_l,
1304 scaler_rec_in_width_l,
1305 req_per_swath_ub_l); // per req
1306 refcyc_per_req_delivery_l = get_refcyc_per_delivery(mode_lib,
1307 refclk_freq_in_mhz,
1308 pclk_freq_in_mhz,
1309 dst->odm_combine,
1310 full_recout_width,
1311 dst->hactive,
1312 vratio_l,
1313 hscale_pixel_rate_l,
1314 scaler_rec_in_width_l,
1315 req_per_swath_ub_l); // per req
1316
1317 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",{do { } while(0); }
1318 __func__,{do { } while(0); }
1319 refcyc_per_req_delivery_pre_l){do { } while(0); };
1320 dml_print("DML_DLG: %s: refcyc_per_req_delivery_l = %3.2f\n",{do { } while(0); }
1321 __func__,{do { } while(0); }
1322 refcyc_per_req_delivery_l){do { } while(0); };
1323
1324 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/dcn20/display_rq_dlg_calc_20.c"
, 1324); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1325 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/dcn20/display_rq_dlg_calc_20.c"
, 1325); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1326
1327 if (dual_plane) {
1328 refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1329 refclk_freq_in_mhz,
1330 pclk_freq_in_mhz,
1331 dst->odm_combine,
1332 full_recout_width,
1333 dst->hactive,
1334 vratio_pre_c,
1335 hscale_pixel_rate_c,
1336 scaler_rec_in_width_c,
1337 req_per_swath_ub_c); // per req
1338 refcyc_per_req_delivery_c = get_refcyc_per_delivery(mode_lib,
1339 refclk_freq_in_mhz,
1340 pclk_freq_in_mhz,
1341 dst->odm_combine,
1342 full_recout_width,
1343 dst->hactive,
1344 vratio_c,
1345 hscale_pixel_rate_c,
1346 scaler_rec_in_width_c,
1347 req_per_swath_ub_c); // per req
1348
1349 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",{do { } while(0); }
1350 __func__,{do { } while(0); }
1351 refcyc_per_req_delivery_pre_c){do { } while(0); };
1352 dml_print("DML_DLG: %s: refcyc_per_req_delivery_c = %3.2f\n",{do { } while(0); }
1353 __func__,{do { } while(0); }
1354 refcyc_per_req_delivery_c){do { } while(0); };
1355
1356 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/dcn20/display_rq_dlg_calc_20.c"
, 1356); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1357 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/dcn20/display_rq_dlg_calc_20.c"
, 1357); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1358 }
1359
1360 // TTU - Cursor
1361 refcyc_per_req_delivery_pre_cur0 = 0.0;
1362 refcyc_per_req_delivery_cur0 = 0.0;
1363 if (src->num_cursors > 0) {
1364 calculate_ttu_cursor(mode_lib,
1365 &refcyc_per_req_delivery_pre_cur0,
1366 &refcyc_per_req_delivery_cur0,
1367 refclk_freq_in_mhz,
1368 ref_freq_to_pix_freq,
1369 hscale_pixel_rate_l,
1370 scl->hscl_ratio,
1371 vratio_pre_l,
1372 vratio_l,
1373 src->cur0_src_width,
1374 (enum cursor_bpp)(src->cur0_bpp));
1375 }
1376
1377 refcyc_per_req_delivery_pre_cur1 = 0.0;
1378 refcyc_per_req_delivery_cur1 = 0.0;
1379 if (src->num_cursors > 1) {
1380 calculate_ttu_cursor(mode_lib,
1381 &refcyc_per_req_delivery_pre_cur1,
1382 &refcyc_per_req_delivery_cur1,
1383 refclk_freq_in_mhz,
1384 ref_freq_to_pix_freq,
1385 hscale_pixel_rate_l,
1386 scl->hscl_ratio,
1387 vratio_pre_l,
1388 vratio_l,
1389 src->cur1_src_width,
1390 (enum cursor_bpp)(src->cur1_bpp));
1391 }
1392
1393 // TTU - Misc
1394 // all hard-coded
1395
1396 // Assignment to register structures
1397 disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1398 disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1399 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/dcn20/display_rq_dlg_calc_20.c"
, 1399); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1400 disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
1401 disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
1402 disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
1403 disp_dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
1404 disp_dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
1405
1406 disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
1407 disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
1408
1409 disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1410 (unsigned int) (dst_y_per_row_vblank * (double) htotal
1411 * ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
1412 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/dcn20/display_rq_dlg_calc_20.c"
, 1412); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1413
1414 if (dual_plane) {
1415 disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int) (dst_y_per_row_vblank
1416 * (double) htotal * ref_freq_to_pix_freq
1417 / (double) dpte_groups_per_row_ub_c);
1418 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/dcn20/display_rq_dlg_calc_20.c"
, 1419); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
1419 < (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/dcn20/display_rq_dlg_calc_20.c"
, 1419); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1420 }
1421
1422 disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1423 (unsigned int) (dst_y_per_row_vblank * (double) htotal
1424 * ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
1425 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/dcn20/display_rq_dlg_calc_20.c"
, 1425); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1426
1427 disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1428 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
1429
1430 disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1431 * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1432 disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1433 * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1434
1435 if (dual_plane) {
1436 disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int) (dst_y_per_row_flip
1437 * htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1438 disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int) (dst_y_per_row_flip
1439 * htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1440 }
1441
1442 disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l
1443 / (double) vratio_l * dml_pow(2, 2));
1444 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/dcn20/display_rq_dlg_calc_20.c"
, 1444); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1445
1446 if (dual_plane) {
1447 disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
1448 / (double) vratio_c * dml_pow(2, 2));
1449 if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
1450 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); }
1451 __func__,{do { } while(0); }
1452 disp_dlg_regs->dst_y_per_pte_row_nom_c,{do { } while(0); }
1453 (unsigned int) dml_pow(2, 17) - 1){do { } while(0); };
1454 }
1455 }
1456
1457 disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l
1458 / (double) vratio_l * dml_pow(2, 2));
1459 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/dcn20/display_rq_dlg_calc_20.c"
, 1459); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1460
1461 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
1462
1463 disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l
1464 / (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1465 / (double) dpte_groups_per_row_ub_l);
1466 if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
1467 disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1468 disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l
1469 / (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1470 / (double) meta_chunks_per_row_ub_l);
1471 if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
1472 disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1473
1474 if (dual_plane) {
1475 disp_dlg_regs->refcyc_per_pte_group_nom_c =
1476 (unsigned int) ((double) dpte_row_height_c / (double) vratio_c
1477 * (double) htotal * ref_freq_to_pix_freq
1478 / (double) dpte_groups_per_row_ub_c);
1479 if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
1480 disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1481
1482 // TODO: Is this the right calculation? Does htotal need to be halved?
1483 disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1484 (unsigned int) ((double) meta_row_height_c / (double) vratio_c
1485 * (double) htotal * ref_freq_to_pix_freq
1486 / (double) meta_chunks_per_row_ub_c);
1487 if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
1488 disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1489 }
1490
1491 disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_l,
1492 1);
1493 disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(refcyc_per_line_delivery_l,
1494 1);
1495 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/dcn20/display_rq_dlg_calc_20.c"
, 1495); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1496 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/dcn20/display_rq_dlg_calc_20.c"
, 1496); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1497
1498 disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_c,
1499 1);
1500 disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(refcyc_per_line_delivery_c,
1501 1);
1502 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/dcn20/display_rq_dlg_calc_20.c"
, 1502); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1503 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/dcn20/display_rq_dlg_calc_20.c"
, 1503); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1504
1505 disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1506 disp_dlg_regs->dst_y_offset_cur0 = 0;
1507 disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1508 disp_dlg_regs->dst_y_offset_cur1 = 0;
1509
1510 disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1511
1512 disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l
1513 * dml_pow(2, 10));
1514 disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l
1515 * dml_pow(2, 10));
1516 disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int) (refcyc_per_req_delivery_pre_c
1517 * dml_pow(2, 10));
1518 disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c
1519 * dml_pow(2, 10));
1520 disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1521 (unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1522 disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0
1523 * dml_pow(2, 10));
1524 disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1525 (unsigned int) (refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1526 disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int) (refcyc_per_req_delivery_cur1
1527 * dml_pow(2, 10));
1528 disp_ttu_regs->qos_level_low_wm = 0;
1529 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/dcn20/display_rq_dlg_calc_20.c"
, 1529); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1530 disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal
1531 * ref_freq_to_pix_freq);
1532 /*ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));*/
1533
1534 disp_ttu_regs->qos_level_flip = 14;
1535 disp_ttu_regs->qos_level_fixed_l = 8;
1536 disp_ttu_regs->qos_level_fixed_c = 8;
1537 disp_ttu_regs->qos_level_fixed_cur0 = 8;
1538 disp_ttu_regs->qos_ramp_disable_l = 0;
1539 disp_ttu_regs->qos_ramp_disable_c = 0;
1540 disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1541
1542 disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1543 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/dcn20/display_rq_dlg_calc_20.c"
, 1543); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1544
1545 print__ttu_regs_st(mode_lib, *disp_ttu_regs);
1546 print__dlg_regs_st(mode_lib, *disp_dlg_regs);
1547}
1548
1549void dml20_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
1550 display_dlg_regs_st *dlg_regs,
1551 display_ttu_regs_st *ttu_regs,
1552 display_e2e_pipe_params_st *e2e_pipe_param,
1553 const unsigned int num_pipes,
1554 const unsigned int pipe_idx,
1555 const bool_Bool cstate_en,
1556 const bool_Bool pstate_en,
1557 const bool_Bool vm_en,
1558 const bool_Bool ignore_viewport_pos,
1559 const bool_Bool immediate_flip_support)
1560{
1561 display_rq_params_st rq_param = {0};
1562 display_dlg_sys_params_st dlg_sys_param = {0};
1563
1564 // Get watermark and Tex.
1565 dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1566 dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
1567 e2e_pipe_param,
1568 num_pipes);
1569 dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1570 dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1571 dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1572 dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1573 dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
1574 e2e_pipe_param,
1575 num_pipes);
1576 dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
1577 e2e_pipe_param,
1578 num_pipes);
1579 dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
1580 / dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
1581
1582 print__dlg_sys_params_st(mode_lib, dlg_sys_param);
1583
1584 // system parameter calculation done
1585
1586 dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx){do { } while(0); };
1587 dml20_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[pipe_idx].pipe.src);
1588 dml20_rq_dlg_get_dlg_params(mode_lib,
1589 e2e_pipe_param,
1590 num_pipes,
1591 pipe_idx,
1592 dlg_regs,
1593 ttu_regs,
1594 rq_param.dlg,
1595 dlg_sys_param,
1596 cstate_en,
1597 pstate_en);
1598 dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx){do { } while(0); };
1599}
1600
1601static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
1602 double *refcyc_per_req_delivery_pre_cur,
1603 double *refcyc_per_req_delivery_cur,
1604 double refclk_freq_in_mhz,
1605 double ref_freq_to_pix_freq,
1606 double hscale_pixel_rate_l,
1607 double hscl_ratio,
1608 double vratio_pre_l,
1609 double vratio_l,
1610 unsigned int cur_width,
1611 enum cursor_bpp cur_bpp)
1612{
1613 unsigned int cur_src_width = cur_width;
1614 unsigned int cur_req_size = 0;
1615 unsigned int cur_req_width = 0;
1616 double cur_width_ub = 0.0;
1617 double cur_req_per_width = 0.0;
1618 double hactive_cur = 0.0;
1619
1620 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/dcn20/display_rq_dlg_calc_20.c"
, 1620); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1621
1622 *refcyc_per_req_delivery_pre_cur = 0.0;
1623 *refcyc_per_req_delivery_cur = 0.0;
1624 if (cur_src_width > 0) {
1625 unsigned int cur_bit_per_pixel = 0;
1626
1627 if (cur_bpp == dm_cur_2bit) {
1628 cur_req_size = 64; // byte
1629 cur_bit_per_pixel = 2;
1630 } else { // 32bit
1631 cur_bit_per_pixel = 32;
1632 if (cur_src_width >= 1 && cur_src_width <= 16)
1633 cur_req_size = 64;
1634 else if (cur_src_width >= 17 && cur_src_width <= 31)
1635 cur_req_size = 128;
1636 else
1637 cur_req_size = 256;
1638 }
1639
1640 cur_req_width = (double) cur_req_size / ((double) cur_bit_per_pixel / 8.0);
1641 cur_width_ub = dml_ceil((double) cur_src_width / (double) cur_req_width, 1)
1642 * (double) cur_req_width;
1643 cur_req_per_width = cur_width_ub / (double) cur_req_width;
1644 hactive_cur = (double) cur_src_width / hscl_ratio; // TODO: oswin to think about what to do for cursor
1645
1646 if (vratio_pre_l <= 1.0) {
1647 *refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
1648 / (double) cur_req_per_width;
1649 } else {
1650 *refcyc_per_req_delivery_pre_cur = (double) refclk_freq_in_mhz
1651 * (double) cur_src_width / hscale_pixel_rate_l
1652 / (double) cur_req_per_width;
1653 }
1654
1655 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/dcn20/display_rq_dlg_calc_20.c"
, 1655); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1656
1657 if (vratio_l <= 1.0) {
1658 *refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
1659 / (double) cur_req_per_width;
1660 } else {
1661 *refcyc_per_req_delivery_cur = (double) refclk_freq_in_mhz
1662 * (double) cur_src_width / hscale_pixel_rate_l
1663 / (double) cur_req_per_width;
1664 }
1665
1666 dml_print("DML_DLG: %s: cur_req_width = %d\n",{do { } while(0); }
1667 __func__,{do { } while(0); }
1668 cur_req_width){do { } while(0); };
1669 dml_print("DML_DLG: %s: cur_width_ub = %3.2f\n",{do { } while(0); }
1670 __func__,{do { } while(0); }
1671 cur_width_ub){do { } while(0); };
1672 dml_print("DML_DLG: %s: cur_req_per_width = %3.2f\n",{do { } while(0); }
1673 __func__,{do { } while(0); }
1674 cur_req_per_width){do { } while(0); };
1675 dml_print("DML_DLG: %s: hactive_cur = %3.2f\n",{do { } while(0); }
1676 __func__,{do { } while(0); }
1677 hactive_cur){do { } while(0); };
1678 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur = %3.2f\n",{do { } while(0); }
1679 __func__,{do { } while(0); }
1680 *refcyc_per_req_delivery_pre_cur){do { } while(0); };
1681 dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur = %3.2f\n",{do { } while(0); }
1682 __func__,{do { } while(0); }
1683 *refcyc_per_req_delivery_cur){do { } while(0); };
1684
1685 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/dcn20/display_rq_dlg_calc_20.c"
, 1685); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0)
;
1686 }
1687}