1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) STMicroelectronics SA 2014
4 * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics.
5 */
6
7 #include <linux/debugfs.h>
8 #include <linux/pm_runtime.h>
9
10 #include "bdisp.h"
11 #include "bdisp-filter.h"
12 #include "bdisp-reg.h"
13
bdisp_dbg_perf_begin(struct bdisp_dev * bdisp)14 void bdisp_dbg_perf_begin(struct bdisp_dev *bdisp)
15 {
16 bdisp->dbg.hw_start = ktime_get();
17 }
18
bdisp_dbg_perf_end(struct bdisp_dev * bdisp)19 void bdisp_dbg_perf_end(struct bdisp_dev *bdisp)
20 {
21 s64 time_us;
22
23 time_us = ktime_us_delta(ktime_get(), bdisp->dbg.hw_start);
24
25 if (!bdisp->dbg.min_duration)
26 bdisp->dbg.min_duration = time_us;
27 else
28 bdisp->dbg.min_duration = min(time_us, bdisp->dbg.min_duration);
29
30 bdisp->dbg.last_duration = time_us;
31 bdisp->dbg.max_duration = max(time_us, bdisp->dbg.max_duration);
32 bdisp->dbg.tot_duration += time_us;
33 }
34
bdisp_dbg_dump_ins(struct seq_file * s,u32 val)35 static void bdisp_dbg_dump_ins(struct seq_file *s, u32 val)
36 {
37 seq_printf(s, "INS\t0x%08X\t", val);
38
39 switch (val & BLT_INS_S1_MASK) {
40 case BLT_INS_S1_OFF:
41 break;
42 case BLT_INS_S1_MEM:
43 seq_puts(s, "SRC1=mem - ");
44 break;
45 case BLT_INS_S1_CF:
46 seq_puts(s, "SRC1=ColorFill - ");
47 break;
48 case BLT_INS_S1_COPY:
49 seq_puts(s, "SRC1=copy - ");
50 break;
51 case BLT_INS_S1_FILL:
52 seq_puts(s, "SRC1=fil - ");
53 break;
54 default:
55 seq_puts(s, "SRC1=??? - ");
56 break;
57 }
58
59 switch (val & BLT_INS_S2_MASK) {
60 case BLT_INS_S2_OFF:
61 break;
62 case BLT_INS_S2_MEM:
63 seq_puts(s, "SRC2=mem - ");
64 break;
65 case BLT_INS_S2_CF:
66 seq_puts(s, "SRC2=ColorFill - ");
67 break;
68 default:
69 seq_puts(s, "SRC2=??? - ");
70 break;
71 }
72
73 if ((val & BLT_INS_S3_MASK) == BLT_INS_S3_MEM)
74 seq_puts(s, "SRC3=mem - ");
75
76 if (val & BLT_INS_IVMX)
77 seq_puts(s, "IVMX - ");
78 if (val & BLT_INS_CLUT)
79 seq_puts(s, "CLUT - ");
80 if (val & BLT_INS_SCALE)
81 seq_puts(s, "Scale - ");
82 if (val & BLT_INS_FLICK)
83 seq_puts(s, "Flicker - ");
84 if (val & BLT_INS_CLIP)
85 seq_puts(s, "Clip - ");
86 if (val & BLT_INS_CKEY)
87 seq_puts(s, "ColorKey - ");
88 if (val & BLT_INS_OVMX)
89 seq_puts(s, "OVMX - ");
90 if (val & BLT_INS_DEI)
91 seq_puts(s, "Deint - ");
92 if (val & BLT_INS_PMASK)
93 seq_puts(s, "PlaneMask - ");
94 if (val & BLT_INS_VC1R)
95 seq_puts(s, "VC1R - ");
96 if (val & BLT_INS_ROTATE)
97 seq_puts(s, "Rotate - ");
98 if (val & BLT_INS_GRAD)
99 seq_puts(s, "GradFill - ");
100 if (val & BLT_INS_AQLOCK)
101 seq_puts(s, "AQLock - ");
102 if (val & BLT_INS_PACE)
103 seq_puts(s, "Pace - ");
104 if (val & BLT_INS_IRQ)
105 seq_puts(s, "IRQ - ");
106
107 seq_putc(s, '\n');
108 }
109
bdisp_dbg_dump_tty(struct seq_file * s,u32 val)110 static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val)
111 {
112 seq_printf(s, "TTY\t0x%08X\t", val);
113 seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
114
115 switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
116 case BDISP_RGB565:
117 seq_puts(s, "RGB565 - ");
118 break;
119 case BDISP_RGB888:
120 seq_puts(s, "RGB888 - ");
121 break;
122 case BDISP_XRGB8888:
123 seq_puts(s, "xRGB888 - ");
124 break;
125 case BDISP_ARGB8888:
126 seq_puts(s, "ARGB8888 - ");
127 break;
128 case BDISP_NV12:
129 seq_puts(s, "NV12 - ");
130 break;
131 case BDISP_YUV_3B:
132 seq_puts(s, "YUV420P - ");
133 break;
134 default:
135 seq_puts(s, "ColorFormat ??? - ");
136 break;
137 }
138
139 if (val & BLT_TTY_ALPHA_R)
140 seq_puts(s, "AlphaRange - ");
141 if (val & BLT_TTY_CR_NOT_CB)
142 seq_puts(s, "CrNotCb - ");
143 if (val & BLT_TTY_MB)
144 seq_puts(s, "MB - ");
145 if (val & BLT_TTY_HSO)
146 seq_puts(s, "HSO inverse - ");
147 if (val & BLT_TTY_VSO)
148 seq_puts(s, "VSO inverse - ");
149 if (val & BLT_TTY_DITHER)
150 seq_puts(s, "Dither - ");
151 if (val & BLT_TTY_CHROMA)
152 seq_puts(s, "Write CHROMA - ");
153 if (val & BLT_TTY_BIG_END)
154 seq_puts(s, "BigEndian - ");
155
156 seq_putc(s, '\n');
157 }
158
bdisp_dbg_dump_xy(struct seq_file * s,u32 val,char * name)159 static void bdisp_dbg_dump_xy(struct seq_file *s, u32 val, char *name)
160 {
161 seq_printf(s, "%s\t0x%08X\t", name, val);
162 seq_printf(s, "(%d,%d)\n", val & 0xFFFF, (val >> 16));
163 }
164
bdisp_dbg_dump_sz(struct seq_file * s,u32 val,char * name)165 static void bdisp_dbg_dump_sz(struct seq_file *s, u32 val, char *name)
166 {
167 seq_printf(s, "%s\t0x%08X\t", name, val);
168 seq_printf(s, "%dx%d\n", val & 0x1FFF, (val >> 16) & 0x1FFF);
169 }
170
bdisp_dbg_dump_sty(struct seq_file * s,u32 val,u32 addr,char * name)171 static void bdisp_dbg_dump_sty(struct seq_file *s,
172 u32 val, u32 addr, char *name)
173 {
174 bool s1, s2, s3;
175
176 seq_printf(s, "%s\t0x%08X\t", name, val);
177
178 if (!addr || !name || (strlen(name) < 2))
179 goto done;
180
181 s1 = name[strlen(name) - 1] == '1';
182 s2 = name[strlen(name) - 1] == '2';
183 s3 = name[strlen(name) - 1] == '3';
184
185 seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
186
187 switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
188 case BDISP_RGB565:
189 seq_puts(s, "RGB565 - ");
190 break;
191 case BDISP_RGB888:
192 seq_puts(s, "RGB888 - ");
193 break;
194 case BDISP_XRGB8888:
195 seq_puts(s, "xRGB888 - ");
196 break;
197 case BDISP_ARGB8888:
198 seq_puts(s, "ARGB888 - ");
199 break;
200 case BDISP_NV12:
201 seq_puts(s, "NV12 - ");
202 break;
203 case BDISP_YUV_3B:
204 seq_puts(s, "YUV420P - ");
205 break;
206 default:
207 seq_puts(s, "ColorFormat ??? - ");
208 break;
209 }
210
211 if ((val & BLT_TTY_ALPHA_R) && !s3)
212 seq_puts(s, "AlphaRange - ");
213 if ((val & BLT_S1TY_A1_SUBSET) && !s3)
214 seq_puts(s, "A1SubSet - ");
215 if ((val & BLT_TTY_MB) && !s1)
216 seq_puts(s, "MB - ");
217 if (val & BLT_TTY_HSO)
218 seq_puts(s, "HSO inverse - ");
219 if (val & BLT_TTY_VSO)
220 seq_puts(s, "VSO inverse - ");
221 if ((val & BLT_S1TY_CHROMA_EXT) && (s1 || s2))
222 seq_puts(s, "ChromaExt - ");
223 if ((val & BLT_S3TY_BLANK_ACC) && s3)
224 seq_puts(s, "Blank Acc - ");
225 if ((val & BTL_S1TY_SUBBYTE) && !s3)
226 seq_puts(s, "SubByte - ");
227 if ((val & BLT_S1TY_RGB_EXP) && !s3)
228 seq_puts(s, "RGBExpand - ");
229 if ((val & BLT_TTY_BIG_END) && !s3)
230 seq_puts(s, "BigEndian - ");
231
232 done:
233 seq_putc(s, '\n');
234 }
235
bdisp_dbg_dump_fctl(struct seq_file * s,u32 val)236 static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val)
237 {
238 seq_printf(s, "FCTL\t0x%08X\t", val);
239
240 if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SCALE)
241 seq_puts(s, "Resize Luma - ");
242 else if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SAMPLE)
243 seq_puts(s, "Sample Luma - ");
244
245 if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SCALE)
246 seq_puts(s, "Resize Chroma");
247 else if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SAMPLE)
248 seq_puts(s, "Sample Chroma");
249
250 seq_putc(s, '\n');
251 }
252
bdisp_dbg_dump_rsf(struct seq_file * s,u32 val,char * name)253 static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name)
254 {
255 u32 inc;
256
257 seq_printf(s, "%s\t0x%08X\t", name, val);
258
259 if (!val)
260 goto done;
261
262 inc = val & 0xFFFF;
263 seq_printf(s, "H: %d(6.10) / scale~%dx0.1 - ", inc, 1024 * 10 / inc);
264
265 inc = val >> 16;
266 seq_printf(s, "V: %d(6.10) / scale~%dx0.1", inc, 1024 * 10 / inc);
267
268 done:
269 seq_putc(s, '\n');
270 }
271
bdisp_dbg_dump_rzi(struct seq_file * s,u32 val,char * name)272 static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name)
273 {
274 seq_printf(s, "%s\t0x%08X\t", name, val);
275
276 if (!val)
277 goto done;
278
279 seq_printf(s, "H: init=%d repeat=%d - ", val & 0x3FF, (val >> 12) & 7);
280 val >>= 16;
281 seq_printf(s, "V: init=%d repeat=%d", val & 0x3FF, (val >> 12) & 7);
282
283 done:
284 seq_putc(s, '\n');
285 }
286
bdisp_dbg_dump_ivmx(struct seq_file * s,u32 c0,u32 c1,u32 c2,u32 c3)287 static void bdisp_dbg_dump_ivmx(struct seq_file *s,
288 u32 c0, u32 c1, u32 c2, u32 c3)
289 {
290 seq_printf(s, "IVMX0\t0x%08X\n", c0);
291 seq_printf(s, "IVMX1\t0x%08X\n", c1);
292 seq_printf(s, "IVMX2\t0x%08X\n", c2);
293 seq_printf(s, "IVMX3\t0x%08X\t", c3);
294
295 if (!c0 && !c1 && !c2 && !c3) {
296 seq_putc(s, '\n');
297 return;
298 }
299
300 if ((c0 == bdisp_rgb_to_yuv[0]) &&
301 (c1 == bdisp_rgb_to_yuv[1]) &&
302 (c2 == bdisp_rgb_to_yuv[2]) &&
303 (c3 == bdisp_rgb_to_yuv[3])) {
304 seq_puts(s, "RGB to YUV\n");
305 return;
306 }
307
308 if ((c0 == bdisp_yuv_to_rgb[0]) &&
309 (c1 == bdisp_yuv_to_rgb[1]) &&
310 (c2 == bdisp_yuv_to_rgb[2]) &&
311 (c3 == bdisp_yuv_to_rgb[3])) {
312 seq_puts(s, "YUV to RGB\n");
313 return;
314 }
315 seq_puts(s, "Unknown conversion\n");
316 }
317
last_nodes_show(struct seq_file * s,void * data)318 static int last_nodes_show(struct seq_file *s, void *data)
319 {
320 /* Not dumping all fields, focusing on significant ones */
321 struct bdisp_dev *bdisp = s->private;
322 struct bdisp_node *node;
323 int i = 0;
324
325 if (!bdisp->dbg.copy_node[0]) {
326 seq_puts(s, "No node built yet\n");
327 return 0;
328 }
329
330 do {
331 node = bdisp->dbg.copy_node[i];
332 if (!node)
333 break;
334 seq_printf(s, "--------\nNode %d:\n", i);
335 seq_puts(s, "-- General --\n");
336 seq_printf(s, "NIP\t0x%08X\n", node->nip);
337 seq_printf(s, "CIC\t0x%08X\n", node->cic);
338 bdisp_dbg_dump_ins(s, node->ins);
339 seq_printf(s, "ACK\t0x%08X\n", node->ack);
340 seq_puts(s, "-- Target --\n");
341 seq_printf(s, "TBA\t0x%08X\n", node->tba);
342 bdisp_dbg_dump_tty(s, node->tty);
343 bdisp_dbg_dump_xy(s, node->txy, "TXY");
344 bdisp_dbg_dump_sz(s, node->tsz, "TSZ");
345 /* Color Fill not dumped */
346 seq_puts(s, "-- Source 1 --\n");
347 seq_printf(s, "S1BA\t0x%08X\n", node->s1ba);
348 bdisp_dbg_dump_sty(s, node->s1ty, node->s1ba, "S1TY");
349 bdisp_dbg_dump_xy(s, node->s1xy, "S1XY");
350 seq_puts(s, "-- Source 2 --\n");
351 seq_printf(s, "S2BA\t0x%08X\n", node->s2ba);
352 bdisp_dbg_dump_sty(s, node->s2ty, node->s2ba, "S2TY");
353 bdisp_dbg_dump_xy(s, node->s2xy, "S2XY");
354 bdisp_dbg_dump_sz(s, node->s2sz, "S2SZ");
355 seq_puts(s, "-- Source 3 --\n");
356 seq_printf(s, "S3BA\t0x%08X\n", node->s3ba);
357 bdisp_dbg_dump_sty(s, node->s3ty, node->s3ba, "S3TY");
358 bdisp_dbg_dump_xy(s, node->s3xy, "S3XY");
359 bdisp_dbg_dump_sz(s, node->s3sz, "S3SZ");
360 /* Clipping not dumped */
361 /* CLUT not dumped */
362 seq_puts(s, "-- Filter & Mask --\n");
363 bdisp_dbg_dump_fctl(s, node->fctl);
364 /* PMK not dumped */
365 seq_puts(s, "-- Chroma Filter --\n");
366 bdisp_dbg_dump_rsf(s, node->rsf, "RSF");
367 bdisp_dbg_dump_rzi(s, node->rzi, "RZI");
368 seq_printf(s, "HFP\t0x%08X\n", node->hfp);
369 seq_printf(s, "VFP\t0x%08X\n", node->vfp);
370 seq_puts(s, "-- Luma Filter --\n");
371 bdisp_dbg_dump_rsf(s, node->y_rsf, "Y_RSF");
372 bdisp_dbg_dump_rzi(s, node->y_rzi, "Y_RZI");
373 seq_printf(s, "Y_HFP\t0x%08X\n", node->y_hfp);
374 seq_printf(s, "Y_VFP\t0x%08X\n", node->y_vfp);
375 /* Flicker not dumped */
376 /* Color key not dumped */
377 /* Reserved not dumped */
378 /* Static Address & User not dumped */
379 seq_puts(s, "-- Input Versatile Matrix --\n");
380 bdisp_dbg_dump_ivmx(s, node->ivmx0, node->ivmx1,
381 node->ivmx2, node->ivmx3);
382 /* Output Versatile Matrix not dumped */
383 /* Pace not dumped */
384 /* VC1R & DEI not dumped */
385 /* Gradient Fill not dumped */
386 } while ((++i < MAX_NB_NODE) && node->nip);
387
388 return 0;
389 }
390
last_nodes_raw_show(struct seq_file * s,void * data)391 static int last_nodes_raw_show(struct seq_file *s, void *data)
392 {
393 struct bdisp_dev *bdisp = s->private;
394 struct bdisp_node *node;
395 u32 *val;
396 int j, i = 0;
397
398 if (!bdisp->dbg.copy_node[0]) {
399 seq_puts(s, "No node built yet\n");
400 return 0;
401 }
402
403 do {
404 node = bdisp->dbg.copy_node[i];
405 if (!node)
406 break;
407
408 seq_printf(s, "--------\nNode %d:\n", i);
409 val = (u32 *)node;
410 for (j = 0; j < sizeof(struct bdisp_node) / sizeof(u32); j++)
411 seq_printf(s, "0x%08X\n", *val++);
412 } while ((++i < MAX_NB_NODE) && node->nip);
413
414 return 0;
415 }
416
bdisp_fmt_to_str(struct bdisp_frame frame)417 static const char *bdisp_fmt_to_str(struct bdisp_frame frame)
418 {
419 switch (frame.fmt->pixelformat) {
420 case V4L2_PIX_FMT_YUV420:
421 return "YUV420P";
422 case V4L2_PIX_FMT_NV12:
423 if (frame.field == V4L2_FIELD_INTERLACED)
424 return "NV12 interlaced";
425 else
426 return "NV12";
427 case V4L2_PIX_FMT_RGB565:
428 return "RGB16";
429 case V4L2_PIX_FMT_RGB24:
430 return "RGB24";
431 case V4L2_PIX_FMT_XBGR32:
432 return "XRGB";
433 case V4L2_PIX_FMT_ABGR32:
434 return "ARGB";
435 default:
436 return "????";
437 }
438 }
439
last_request_show(struct seq_file * s,void * data)440 static int last_request_show(struct seq_file *s, void *data)
441 {
442 struct bdisp_dev *bdisp = s->private;
443 struct bdisp_request *request = &bdisp->dbg.copy_request;
444 struct bdisp_frame src, dst;
445
446 if (!request->nb_req) {
447 seq_puts(s, "No request\n");
448 return 0;
449 }
450
451 src = request->src;
452 dst = request->dst;
453
454 seq_printf(s, "\nRequest #%d\n", request->nb_req);
455
456 seq_printf(s, "Format: %s\t\t\t%s\n",
457 bdisp_fmt_to_str(src), bdisp_fmt_to_str(dst));
458 seq_printf(s, "Crop area: %dx%d @ %d,%d ==>\t%dx%d @ %d,%d\n",
459 src.crop.width, src.crop.height,
460 src.crop.left, src.crop.top,
461 dst.crop.width, dst.crop.height,
462 dst.crop.left, dst.crop.top);
463 seq_printf(s, "Buff size: %dx%d\t\t%dx%d\n\n",
464 src.width, src.height, dst.width, dst.height);
465
466 if (request->hflip)
467 seq_puts(s, "Horizontal flip\n\n");
468
469 if (request->vflip)
470 seq_puts(s, "Vertical flip\n\n");
471
472 return 0;
473 }
474
475 #define DUMP(reg) seq_printf(s, #reg " \t0x%08X\n", readl(bdisp->regs + reg))
476
regs_show(struct seq_file * s,void * data)477 static int regs_show(struct seq_file *s, void *data)
478 {
479 struct bdisp_dev *bdisp = s->private;
480 int ret;
481 unsigned int i;
482
483 ret = pm_runtime_resume_and_get(bdisp->dev);
484 if (ret < 0) {
485 seq_puts(s, "Cannot wake up IP\n");
486 return 0;
487 }
488
489 seq_printf(s, "Reg @ = 0x%p\n", bdisp->regs);
490
491 seq_puts(s, "\nStatic:\n");
492 DUMP(BLT_CTL);
493 DUMP(BLT_ITS);
494 DUMP(BLT_STA1);
495 DUMP(BLT_AQ1_CTL);
496 DUMP(BLT_AQ1_IP);
497 DUMP(BLT_AQ1_LNA);
498 DUMP(BLT_AQ1_STA);
499 DUMP(BLT_ITM0);
500
501 seq_puts(s, "\nPlugs:\n");
502 DUMP(BLT_PLUGS1_OP2);
503 DUMP(BLT_PLUGS1_CHZ);
504 DUMP(BLT_PLUGS1_MSZ);
505 DUMP(BLT_PLUGS1_PGZ);
506 DUMP(BLT_PLUGS2_OP2);
507 DUMP(BLT_PLUGS2_CHZ);
508 DUMP(BLT_PLUGS2_MSZ);
509 DUMP(BLT_PLUGS2_PGZ);
510 DUMP(BLT_PLUGS3_OP2);
511 DUMP(BLT_PLUGS3_CHZ);
512 DUMP(BLT_PLUGS3_MSZ);
513 DUMP(BLT_PLUGS3_PGZ);
514 DUMP(BLT_PLUGT_OP2);
515 DUMP(BLT_PLUGT_CHZ);
516 DUMP(BLT_PLUGT_MSZ);
517 DUMP(BLT_PLUGT_PGZ);
518
519 seq_puts(s, "\nNode:\n");
520 DUMP(BLT_NIP);
521 DUMP(BLT_CIC);
522 DUMP(BLT_INS);
523 DUMP(BLT_ACK);
524 DUMP(BLT_TBA);
525 DUMP(BLT_TTY);
526 DUMP(BLT_TXY);
527 DUMP(BLT_TSZ);
528 DUMP(BLT_S1BA);
529 DUMP(BLT_S1TY);
530 DUMP(BLT_S1XY);
531 DUMP(BLT_S2BA);
532 DUMP(BLT_S2TY);
533 DUMP(BLT_S2XY);
534 DUMP(BLT_S2SZ);
535 DUMP(BLT_S3BA);
536 DUMP(BLT_S3TY);
537 DUMP(BLT_S3XY);
538 DUMP(BLT_S3SZ);
539 DUMP(BLT_FCTL);
540 DUMP(BLT_RSF);
541 DUMP(BLT_RZI);
542 DUMP(BLT_HFP);
543 DUMP(BLT_VFP);
544 DUMP(BLT_Y_RSF);
545 DUMP(BLT_Y_RZI);
546 DUMP(BLT_Y_HFP);
547 DUMP(BLT_Y_VFP);
548 DUMP(BLT_IVMX0);
549 DUMP(BLT_IVMX1);
550 DUMP(BLT_IVMX2);
551 DUMP(BLT_IVMX3);
552 DUMP(BLT_OVMX0);
553 DUMP(BLT_OVMX1);
554 DUMP(BLT_OVMX2);
555 DUMP(BLT_OVMX3);
556 DUMP(BLT_DEI);
557
558 seq_puts(s, "\nFilter:\n");
559 for (i = 0; i < BLT_NB_H_COEF; i++) {
560 seq_printf(s, "BLT_HFC%d \t0x%08X\n", i,
561 readl(bdisp->regs + BLT_HFC_N + i * 4));
562 }
563 for (i = 0; i < BLT_NB_V_COEF; i++) {
564 seq_printf(s, "BLT_VFC%d \t0x%08X\n", i,
565 readl(bdisp->regs + BLT_VFC_N + i * 4));
566 }
567
568 seq_puts(s, "\nLuma filter:\n");
569 for (i = 0; i < BLT_NB_H_COEF; i++) {
570 seq_printf(s, "BLT_Y_HFC%d \t0x%08X\n", i,
571 readl(bdisp->regs + BLT_Y_HFC_N + i * 4));
572 }
573 for (i = 0; i < BLT_NB_V_COEF; i++) {
574 seq_printf(s, "BLT_Y_VFC%d \t0x%08X\n", i,
575 readl(bdisp->regs + BLT_Y_VFC_N + i * 4));
576 }
577
578 pm_runtime_put(bdisp->dev);
579
580 return 0;
581 }
582
583 #define SECOND 1000000
584
perf_show(struct seq_file * s,void * data)585 static int perf_show(struct seq_file *s, void *data)
586 {
587 struct bdisp_dev *bdisp = s->private;
588 struct bdisp_request *request = &bdisp->dbg.copy_request;
589 s64 avg_time_us;
590 int avg_fps, min_fps, max_fps, last_fps;
591
592 if (!request->nb_req) {
593 seq_puts(s, "No request\n");
594 return 0;
595 }
596
597 avg_time_us = div64_s64(bdisp->dbg.tot_duration, request->nb_req);
598 if (avg_time_us > SECOND)
599 avg_fps = 0;
600 else
601 avg_fps = SECOND / (s32)avg_time_us;
602
603 if (bdisp->dbg.min_duration > SECOND)
604 min_fps = 0;
605 else
606 min_fps = SECOND / (s32)bdisp->dbg.min_duration;
607
608 if (bdisp->dbg.max_duration > SECOND)
609 max_fps = 0;
610 else
611 max_fps = SECOND / (s32)bdisp->dbg.max_duration;
612
613 if (bdisp->dbg.last_duration > SECOND)
614 last_fps = 0;
615 else
616 last_fps = SECOND / (s32)bdisp->dbg.last_duration;
617
618 seq_printf(s, "HW processing (%d requests):\n", request->nb_req);
619 seq_printf(s, " Average: %5lld us (%3d fps)\n",
620 avg_time_us, avg_fps);
621 seq_printf(s, " Min-Max: %5lld us (%3d fps) - %5lld us (%3d fps)\n",
622 bdisp->dbg.min_duration, min_fps,
623 bdisp->dbg.max_duration, max_fps);
624 seq_printf(s, " Last: %5lld us (%3d fps)\n",
625 bdisp->dbg.last_duration, last_fps);
626
627 return 0;
628 }
629
630 #define bdisp_dbg_create_entry(name) \
631 debugfs_create_file(#name, S_IRUGO, bdisp->dbg.debugfs_entry, bdisp, \
632 &name##_fops)
633
634 DEFINE_SHOW_ATTRIBUTE(regs);
635 DEFINE_SHOW_ATTRIBUTE(last_nodes);
636 DEFINE_SHOW_ATTRIBUTE(last_nodes_raw);
637 DEFINE_SHOW_ATTRIBUTE(last_request);
638 DEFINE_SHOW_ATTRIBUTE(perf);
639
bdisp_debugfs_create(struct bdisp_dev * bdisp)640 void bdisp_debugfs_create(struct bdisp_dev *bdisp)
641 {
642 char dirname[16];
643
644 snprintf(dirname, sizeof(dirname), "%s%d", BDISP_NAME, bdisp->id);
645 bdisp->dbg.debugfs_entry = debugfs_create_dir(dirname, NULL);
646
647 bdisp_dbg_create_entry(regs);
648 bdisp_dbg_create_entry(last_nodes);
649 bdisp_dbg_create_entry(last_nodes_raw);
650 bdisp_dbg_create_entry(last_request);
651 bdisp_dbg_create_entry(perf);
652 }
653
bdisp_debugfs_remove(struct bdisp_dev * bdisp)654 void bdisp_debugfs_remove(struct bdisp_dev *bdisp)
655 {
656 debugfs_remove_recursive(bdisp->dbg.debugfs_entry);
657 bdisp->dbg.debugfs_entry = NULL;
658 }
659