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d8187177 RC |
1 | /* |
2 | * Copyright (C) 2016 Red Hat | |
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: | |
23 | * Rob Clark <robdclark@gmail.com> | |
24 | */ | |
25 | ||
26 | #ifndef DRM_PRINT_H_ | |
27 | #define DRM_PRINT_H_ | |
28 | ||
3c6d6e0f JP |
29 | #include <linux/compiler.h> |
30 | #include <linux/printk.h> | |
d8187177 RC |
31 | #include <linux/seq_file.h> |
32 | #include <linux/device.h> | |
5f513cc8 | 33 | #include <linux/debugfs.h> |
d8187177 | 34 | |
656600ef SR |
35 | #include <drm/drm.h> |
36 | ||
9f0ac028 JN |
37 | /* Do *not* use outside of drm_print.[ch]! */ |
38 | extern unsigned int __drm_debug; | |
959b077f | 39 | |
d8187177 RC |
40 | /** |
41 | * DOC: print | |
42 | * | |
43 | * A simple wrapper for dev_printk(), seq_printf(), etc. Allows same | |
44 | * debug code to be used for both debugfs and printk logging. | |
45 | * | |
46 | * For example:: | |
47 | * | |
48 | * void log_some_info(struct drm_printer *p) | |
49 | * { | |
50 | * drm_printf(p, "foo=%d\n", foo); | |
51 | * drm_printf(p, "bar=%d\n", bar); | |
52 | * } | |
53 | * | |
54 | * #ifdef CONFIG_DEBUG_FS | |
55 | * void debugfs_show(struct seq_file *f) | |
56 | * { | |
57 | * struct drm_printer p = drm_seq_file_printer(f); | |
58 | * log_some_info(&p); | |
59 | * } | |
60 | * #endif | |
61 | * | |
62 | * void some_other_function(...) | |
63 | * { | |
64 | * struct drm_printer p = drm_info_printer(drm->dev); | |
65 | * log_some_info(&p); | |
66 | * } | |
67 | */ | |
68 | ||
69 | /** | |
70 | * struct drm_printer - drm output "stream" | |
d8187177 RC |
71 | * |
72 | * Do not use struct members directly. Use drm_printer_seq_file(), | |
73 | * drm_printer_info(), etc to initialize. And drm_printf() for output. | |
74 | */ | |
75 | struct drm_printer { | |
3d387d92 | 76 | /* private: */ |
d8187177 | 77 | void (*printfn)(struct drm_printer *p, struct va_format *vaf); |
63f4cc01 | 78 | void (*puts)(struct drm_printer *p, const char *str); |
d8187177 | 79 | void *arg; |
3d387d92 | 80 | const char *prefix; |
d8187177 RC |
81 | }; |
82 | ||
cfc57a18 | 83 | void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf); |
5dc634bd | 84 | void __drm_puts_coredump(struct drm_printer *p, const char *str); |
d8187177 | 85 | void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf); |
4538d732 | 86 | void __drm_puts_seq_file(struct drm_printer *p, const char *str); |
d8187177 | 87 | void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf); |
3d387d92 | 88 | void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf); |
0de54fb2 | 89 | void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf); |
d8187177 | 90 | |
3c6d6e0f | 91 | __printf(2, 3) |
d8187177 | 92 | void drm_printf(struct drm_printer *p, const char *f, ...); |
63f4cc01 | 93 | void drm_puts(struct drm_printer *p, const char *str); |
5f513cc8 | 94 | void drm_print_regset32(struct drm_printer *p, struct debugfs_regset32 *regset); |
141f6357 GH |
95 | void drm_print_bits(struct drm_printer *p, unsigned long value, |
96 | const char * const bits[], unsigned int nbits); | |
d8187177 | 97 | |
42f1b310 | 98 | __printf(2, 0) |
e2b155e9 CW |
99 | /** |
100 | * drm_vprintf - print to a &drm_printer stream | |
101 | * @p: the &drm_printer | |
102 | * @fmt: format string | |
103 | * @va: the va_list | |
104 | */ | |
e2b155e9 CW |
105 | static inline void |
106 | drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) | |
107 | { | |
108 | struct va_format vaf = { .fmt = fmt, .va = va }; | |
109 | ||
110 | p->printfn(p, &vaf); | |
111 | } | |
112 | ||
bf6234a2 NT |
113 | /** |
114 | * drm_printf_indent - Print to a &drm_printer stream with indentation | |
115 | * @printer: DRM printer | |
116 | * @indent: Tab indentation level (max 5) | |
117 | * @fmt: Format string | |
118 | */ | |
119 | #define drm_printf_indent(printer, indent, fmt, ...) \ | |
120 | drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__) | |
d8187177 | 121 | |
cfc57a18 JC |
122 | /** |
123 | * struct drm_print_iterator - local struct used with drm_printer_coredump | |
124 | * @data: Pointer to the devcoredump output buffer | |
125 | * @start: The offset within the buffer to start writing | |
126 | * @remain: The number of bytes to write for this iteration | |
127 | */ | |
128 | struct drm_print_iterator { | |
129 | void *data; | |
130 | ssize_t start; | |
131 | ssize_t remain; | |
132 | /* private: */ | |
133 | ssize_t offset; | |
134 | }; | |
135 | ||
136 | /** | |
137 | * drm_coredump_printer - construct a &drm_printer that can output to a buffer | |
138 | * from the read function for devcoredump | |
139 | * @iter: A pointer to a struct drm_print_iterator for the read instance | |
140 | * | |
141 | * This wrapper extends drm_printf() to work with a dev_coredumpm() callback | |
142 | * function. The passed in drm_print_iterator struct contains the buffer | |
143 | * pointer, size and offset as passed in from devcoredump. | |
144 | * | |
145 | * For example:: | |
146 | * | |
147 | * void coredump_read(char *buffer, loff_t offset, size_t count, | |
148 | * void *data, size_t datalen) | |
149 | * { | |
150 | * struct drm_print_iterator iter; | |
151 | * struct drm_printer p; | |
152 | * | |
153 | * iter.data = buffer; | |
154 | * iter.start = offset; | |
155 | * iter.remain = count; | |
156 | * | |
157 | * p = drm_coredump_printer(&iter); | |
158 | * | |
159 | * drm_printf(p, "foo=%d\n", foo); | |
160 | * } | |
161 | * | |
162 | * void makecoredump(...) | |
163 | * { | |
164 | * ... | |
165 | * dev_coredumpm(dev, THIS_MODULE, data, 0, GFP_KERNEL, | |
166 | * coredump_read, ...) | |
167 | * } | |
168 | * | |
169 | * RETURNS: | |
170 | * The &drm_printer object | |
171 | */ | |
172 | static inline struct drm_printer | |
173 | drm_coredump_printer(struct drm_print_iterator *iter) | |
174 | { | |
175 | struct drm_printer p = { | |
176 | .printfn = __drm_printfn_coredump, | |
5dc634bd | 177 | .puts = __drm_puts_coredump, |
cfc57a18 JC |
178 | .arg = iter, |
179 | }; | |
180 | ||
181 | /* Set the internal offset of the iterator to zero */ | |
182 | iter->offset = 0; | |
183 | ||
184 | return p; | |
185 | } | |
186 | ||
d8187177 RC |
187 | /** |
188 | * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file | |
ea0dd85a | 189 | * @f: the &struct seq_file to output to |
d8187177 RC |
190 | * |
191 | * RETURNS: | |
192 | * The &drm_printer object | |
193 | */ | |
194 | static inline struct drm_printer drm_seq_file_printer(struct seq_file *f) | |
195 | { | |
196 | struct drm_printer p = { | |
197 | .printfn = __drm_printfn_seq_file, | |
4538d732 | 198 | .puts = __drm_puts_seq_file, |
d8187177 RC |
199 | .arg = f, |
200 | }; | |
201 | return p; | |
202 | } | |
203 | ||
204 | /** | |
205 | * drm_info_printer - construct a &drm_printer that outputs to dev_printk() | |
ea0dd85a | 206 | * @dev: the &struct device pointer |
d8187177 RC |
207 | * |
208 | * RETURNS: | |
209 | * The &drm_printer object | |
210 | */ | |
211 | static inline struct drm_printer drm_info_printer(struct device *dev) | |
212 | { | |
213 | struct drm_printer p = { | |
214 | .printfn = __drm_printfn_info, | |
215 | .arg = dev, | |
216 | }; | |
217 | return p; | |
218 | } | |
219 | ||
3d387d92 DV |
220 | /** |
221 | * drm_debug_printer - construct a &drm_printer that outputs to pr_debug() | |
222 | * @prefix: debug output prefix | |
223 | * | |
224 | * RETURNS: | |
225 | * The &drm_printer object | |
226 | */ | |
227 | static inline struct drm_printer drm_debug_printer(const char *prefix) | |
228 | { | |
229 | struct drm_printer p = { | |
230 | .printfn = __drm_printfn_debug, | |
231 | .prefix = prefix | |
232 | }; | |
233 | return p; | |
234 | } | |
02c9656b | 235 | |
0de54fb2 LP |
236 | /** |
237 | * drm_err_printer - construct a &drm_printer that outputs to pr_err() | |
238 | * @prefix: debug output prefix | |
239 | * | |
240 | * RETURNS: | |
241 | * The &drm_printer object | |
242 | */ | |
243 | static inline struct drm_printer drm_err_printer(const char *prefix) | |
244 | { | |
245 | struct drm_printer p = { | |
246 | .printfn = __drm_printfn_err, | |
247 | .prefix = prefix | |
248 | }; | |
249 | return p; | |
250 | } | |
251 | ||
876905b8 JN |
252 | /** |
253 | * enum drm_debug_category - The DRM debug categories | |
02c9656b | 254 | * |
876905b8 JN |
255 | * Each of the DRM debug logging macros use a specific category, and the logging |
256 | * is filtered by the drm.debug module parameter. This enum specifies the values | |
257 | * for the interface. | |
02c9656b | 258 | * |
876905b8 JN |
259 | * Each DRM_DEBUG_<CATEGORY> macro logs to DRM_UT_<CATEGORY> category, except |
260 | * DRM_DEBUG() logs to DRM_UT_CORE. | |
02c9656b | 261 | * |
876905b8 JN |
262 | * Enabling verbose debug messages is done through the drm.debug parameter, each |
263 | * category being enabled by a bit: | |
02c9656b | 264 | * |
876905b8 JN |
265 | * - drm.debug=0x1 will enable CORE messages |
266 | * - drm.debug=0x2 will enable DRIVER messages | |
267 | * - drm.debug=0x3 will enable CORE and DRIVER messages | |
268 | * - ... | |
269 | * - drm.debug=0x1ff will enable all messages | |
02c9656b HM |
270 | * |
271 | * An interesting feature is that it's possible to enable verbose logging at | |
876905b8 JN |
272 | * run-time by echoing the debug value in its sysfs node:: |
273 | * | |
02c9656b | 274 | * # echo 0xf > /sys/module/drm/parameters/debug |
876905b8 | 275 | * |
02c9656b | 276 | */ |
876905b8 JN |
277 | enum drm_debug_category { |
278 | /** | |
279 | * @DRM_UT_CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, | |
280 | * drm_memory.c, ... | |
281 | */ | |
282 | DRM_UT_CORE = 0x01, | |
283 | /** | |
284 | * @DRM_UT_DRIVER: Used in the vendor specific part of the driver: i915, | |
285 | * radeon, ... macro. | |
286 | */ | |
287 | DRM_UT_DRIVER = 0x02, | |
288 | /** | |
289 | * @DRM_UT_KMS: Used in the modesetting code. | |
290 | */ | |
291 | DRM_UT_KMS = 0x04, | |
292 | /** | |
293 | * @DRM_UT_PRIME: Used in the prime code. | |
294 | */ | |
295 | DRM_UT_PRIME = 0x08, | |
296 | /** | |
297 | * @DRM_UT_ATOMIC: Used in the atomic code. | |
298 | */ | |
299 | DRM_UT_ATOMIC = 0x10, | |
300 | /** | |
301 | * @DRM_UT_VBL: Used for verbose debug message in the vblank code. | |
302 | */ | |
303 | DRM_UT_VBL = 0x20, | |
304 | /** | |
305 | * @DRM_UT_STATE: Used for verbose atomic state debugging. | |
306 | */ | |
307 | DRM_UT_STATE = 0x40, | |
308 | /** | |
309 | * @DRM_UT_LEASE: Used in the lease code. | |
310 | */ | |
311 | DRM_UT_LEASE = 0x80, | |
312 | /** | |
313 | * @DRM_UT_DP: Used in the DP code. | |
314 | */ | |
315 | DRM_UT_DP = 0x100, | |
c6603c74 DV |
316 | /** |
317 | * @DRM_UT_DRMRES: Used in the drm managed resources code. | |
318 | */ | |
319 | DRM_UT_DRMRES = 0x200, | |
876905b8 | 320 | }; |
02c9656b | 321 | |
876905b8 | 322 | static inline bool drm_debug_enabled(enum drm_debug_category category) |
f0a8f533 | 323 | { |
9f0ac028 | 324 | return unlikely(__drm_debug & category); |
f0a8f533 JN |
325 | } |
326 | ||
3bf149bd JN |
327 | /* |
328 | * struct device based logging | |
fb6c7ab8 JN |
329 | * |
330 | * Prefer drm_device based logging over device or prink based logging. | |
3bf149bd JN |
331 | */ |
332 | ||
db870864 | 333 | __printf(3, 4) |
02c9656b | 334 | void drm_dev_printk(const struct device *dev, const char *level, |
db870864 JP |
335 | const char *format, ...); |
336 | __printf(3, 4) | |
876905b8 | 337 | void drm_dev_dbg(const struct device *dev, enum drm_debug_category category, |
db870864 JP |
338 | const char *format, ...); |
339 | ||
02c9656b HM |
340 | /** |
341 | * Error output. | |
342 | * | |
091756bb HM |
343 | * @dev: device pointer |
344 | * @fmt: printf() like format string. | |
02c9656b HM |
345 | */ |
346 | #define DRM_DEV_ERROR(dev, fmt, ...) \ | |
db870864 | 347 | drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__) |
02c9656b HM |
348 | |
349 | /** | |
350 | * Rate limited error output. Like DRM_ERROR() but won't flood the log. | |
351 | * | |
091756bb HM |
352 | * @dev: device pointer |
353 | * @fmt: printf() like format string. | |
02c9656b HM |
354 | */ |
355 | #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \ | |
356 | ({ \ | |
357 | static DEFINE_RATELIMIT_STATE(_rs, \ | |
358 | DEFAULT_RATELIMIT_INTERVAL, \ | |
359 | DEFAULT_RATELIMIT_BURST); \ | |
360 | \ | |
361 | if (__ratelimit(&_rs)) \ | |
362 | DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \ | |
363 | }) | |
02c9656b | 364 | |
3bf149bd | 365 | #define DRM_DEV_INFO(dev, fmt, ...) \ |
db870864 | 366 | drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__) |
02c9656b HM |
367 | |
368 | #define DRM_DEV_INFO_ONCE(dev, fmt, ...) \ | |
369 | ({ \ | |
370 | static bool __print_once __read_mostly; \ | |
371 | if (!__print_once) { \ | |
372 | __print_once = true; \ | |
373 | DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \ | |
374 | } \ | |
375 | }) | |
376 | ||
377 | /** | |
378 | * Debug output. | |
379 | * | |
091756bb HM |
380 | * @dev: device pointer |
381 | * @fmt: printf() like format string. | |
02c9656b | 382 | */ |
db870864 JP |
383 | #define DRM_DEV_DEBUG(dev, fmt, ...) \ |
384 | drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__) | |
db870864 JP |
385 | #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \ |
386 | drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) | |
db870864 JP |
387 | #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \ |
388 | drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__) | |
a18b2192 | 389 | |
fb6c7ab8 JN |
390 | /* |
391 | * struct drm_device based logging | |
392 | * | |
393 | * Prefer drm_device based logging over device or prink based logging. | |
394 | */ | |
395 | ||
396 | /* Helper for struct drm_device based logging. */ | |
397 | #define __drm_printk(drm, level, type, fmt, ...) \ | |
398 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__) | |
399 | ||
400 | ||
401 | #define drm_info(drm, fmt, ...) \ | |
402 | __drm_printk((drm), info,, fmt, ##__VA_ARGS__) | |
403 | ||
404 | #define drm_notice(drm, fmt, ...) \ | |
405 | __drm_printk((drm), notice,, fmt, ##__VA_ARGS__) | |
406 | ||
407 | #define drm_warn(drm, fmt, ...) \ | |
408 | __drm_printk((drm), warn,, fmt, ##__VA_ARGS__) | |
409 | ||
410 | #define drm_err(drm, fmt, ...) \ | |
411 | __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__) | |
412 | ||
413 | ||
414 | #define drm_info_once(drm, fmt, ...) \ | |
415 | __drm_printk((drm), info, _once, fmt, ##__VA_ARGS__) | |
416 | ||
417 | #define drm_notice_once(drm, fmt, ...) \ | |
418 | __drm_printk((drm), notice, _once, fmt, ##__VA_ARGS__) | |
419 | ||
420 | #define drm_warn_once(drm, fmt, ...) \ | |
421 | __drm_printk((drm), warn, _once, fmt, ##__VA_ARGS__) | |
422 | ||
423 | #define drm_err_once(drm, fmt, ...) \ | |
424 | __drm_printk((drm), err, _once, "*ERROR* " fmt, ##__VA_ARGS__) | |
425 | ||
426 | ||
427 | #define drm_err_ratelimited(drm, fmt, ...) \ | |
428 | __drm_printk((drm), err, _ratelimited, "*ERROR* " fmt, ##__VA_ARGS__) | |
429 | ||
430 | ||
431 | #define drm_dbg_core(drm, fmt, ...) \ | |
432 | drm_dev_dbg((drm)->dev, DRM_UT_CORE, fmt, ##__VA_ARGS__) | |
433 | #define drm_dbg(drm, fmt, ...) \ | |
434 | drm_dev_dbg((drm)->dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) | |
435 | #define drm_dbg_kms(drm, fmt, ...) \ | |
436 | drm_dev_dbg((drm)->dev, DRM_UT_KMS, fmt, ##__VA_ARGS__) | |
437 | #define drm_dbg_prime(drm, fmt, ...) \ | |
438 | drm_dev_dbg((drm)->dev, DRM_UT_PRIME, fmt, ##__VA_ARGS__) | |
439 | #define drm_dbg_atomic(drm, fmt, ...) \ | |
440 | drm_dev_dbg((drm)->dev, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) | |
441 | #define drm_dbg_vbl(drm, fmt, ...) \ | |
442 | drm_dev_dbg((drm)->dev, DRM_UT_VBL, fmt, ##__VA_ARGS__) | |
443 | #define drm_dbg_state(drm, fmt, ...) \ | |
444 | drm_dev_dbg((drm)->dev, DRM_UT_STATE, fmt, ##__VA_ARGS__) | |
445 | #define drm_dbg_lease(drm, fmt, ...) \ | |
446 | drm_dev_dbg((drm)->dev, DRM_UT_LEASE, fmt, ##__VA_ARGS__) | |
447 | #define drm_dbg_dp(drm, fmt, ...) \ | |
448 | drm_dev_dbg((drm)->dev, DRM_UT_DP, fmt, ##__VA_ARGS__) | |
c6603c74 DV |
449 | #define drm_dbg_drmres(drm, fmt, ...) \ |
450 | drm_dev_dbg((drm)->dev, DRM_UT_DRMRES, fmt, ##__VA_ARGS__) | |
fb6c7ab8 JN |
451 | |
452 | ||
3bf149bd JN |
453 | /* |
454 | * printk based logging | |
fb6c7ab8 JN |
455 | * |
456 | * Prefer drm_device based logging over device or prink based logging. | |
3bf149bd JN |
457 | */ |
458 | ||
459 | __printf(2, 3) | |
460 | void __drm_dbg(enum drm_debug_category category, const char *format, ...); | |
461 | __printf(1, 2) | |
462 | void __drm_err(const char *format, ...); | |
463 | ||
464 | /* Macros to make printk easier */ | |
465 | ||
466 | #define _DRM_PRINTK(once, level, fmt, ...) \ | |
467 | printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__) | |
468 | ||
469 | #define DRM_INFO(fmt, ...) \ | |
470 | _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__) | |
471 | #define DRM_NOTE(fmt, ...) \ | |
472 | _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__) | |
473 | #define DRM_WARN(fmt, ...) \ | |
474 | _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__) | |
475 | ||
476 | #define DRM_INFO_ONCE(fmt, ...) \ | |
477 | _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__) | |
478 | #define DRM_NOTE_ONCE(fmt, ...) \ | |
479 | _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__) | |
480 | #define DRM_WARN_ONCE(fmt, ...) \ | |
481 | _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__) | |
482 | ||
483 | #define DRM_ERROR(fmt, ...) \ | |
484 | __drm_err(fmt, ##__VA_ARGS__) | |
485 | ||
486 | #define DRM_ERROR_RATELIMITED(fmt, ...) \ | |
487 | DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__) | |
488 | ||
489 | #define DRM_DEBUG(fmt, ...) \ | |
490 | __drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__) | |
491 | ||
492 | #define DRM_DEBUG_DRIVER(fmt, ...) \ | |
493 | __drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__) | |
494 | ||
495 | #define DRM_DEBUG_KMS(fmt, ...) \ | |
496 | __drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__) | |
497 | ||
498 | #define DRM_DEBUG_PRIME(fmt, ...) \ | |
499 | __drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__) | |
500 | ||
501 | #define DRM_DEBUG_ATOMIC(fmt, ...) \ | |
502 | __drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) | |
503 | ||
504 | #define DRM_DEBUG_VBL(fmt, ...) \ | |
505 | __drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__) | |
506 | ||
507 | #define DRM_DEBUG_LEASE(fmt, ...) \ | |
508 | __drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__) | |
509 | ||
510 | #define DRM_DEBUG_DP(fmt, ...) \ | |
511 | __drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__) | |
512 | ||
513 | ||
3bf149bd | 514 | #define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) \ |
acce61bf SR |
515 | ({ \ |
516 | static DEFINE_RATELIMIT_STATE(_rs, \ | |
517 | DEFAULT_RATELIMIT_INTERVAL, \ | |
518 | DEFAULT_RATELIMIT_BURST); \ | |
519 | if (__ratelimit(&_rs)) \ | |
520 | drm_dev_dbg(NULL, DRM_UT_KMS, fmt, ##__VA_ARGS__); \ | |
521 | }) | |
3bf149bd | 522 | |
dc1a73e5 PB |
523 | /* |
524 | * struct drm_device based WARNs | |
525 | * | |
526 | * drm_WARN*() acts like WARN*(), but with the key difference of | |
527 | * using device specific information so that we know from which device | |
528 | * warning is originating from. | |
529 | * | |
530 | * Prefer drm_device based drm_WARN* over regular WARN* | |
531 | */ | |
532 | ||
533 | /* Helper for struct drm_device based WARNs */ | |
534 | #define drm_WARN(drm, condition, format, arg...) \ | |
535 | WARN(condition, "%s %s: " format, \ | |
536 | dev_driver_string((drm)->dev), \ | |
537 | dev_name((drm)->dev), ## arg) | |
538 | ||
539 | #define drm_WARN_ONCE(drm, condition, format, arg...) \ | |
540 | WARN_ONCE(condition, "%s %s: " format, \ | |
541 | dev_driver_string((drm)->dev), \ | |
542 | dev_name((drm)->dev), ## arg) | |
543 | ||
544 | #define drm_WARN_ON(drm, x) \ | |
545 | drm_WARN((drm), (x), "%s", \ | |
546 | "drm_WARN_ON(" __stringify(x) ")") | |
547 | ||
548 | #define drm_WARN_ON_ONCE(drm, x) \ | |
549 | drm_WARN_ONCE((drm), (x), "%s", \ | |
550 | "drm_WARN_ON_ONCE(" __stringify(x) ")") | |
551 | ||
d8187177 | 552 | #endif /* DRM_PRINT_H_ */ |