1 /* 1 /*
2 * Copyright (C) 2016 Red Hat 2 * Copyright (C) 2016 Red Hat
3 * 3 *
4 * Permission is hereby granted, free of charg 4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated docume 5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction 6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, pub 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to 8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to 9 * Software is furnished to do so, subject to the following conditions:
10 * 10 *
11 * The above copyright notice and this permiss 11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the S 12 * all copies or substantial portions of the Software.
13 * 13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE W 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINF 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIA 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CO 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE. 20 * OTHER DEALINGS IN THE SOFTWARE.
21 * 21 *
22 * Authors: 22 * Authors:
23 * Rob Clark <robdclark@gmail.com> 23 * Rob Clark <robdclark@gmail.com>
24 */ 24 */
25 25
26 #ifndef DRM_PRINT_H_ 26 #ifndef DRM_PRINT_H_
27 #define DRM_PRINT_H_ 27 #define DRM_PRINT_H_
28 28
29 #include <linux/compiler.h> 29 #include <linux/compiler.h>
30 #include <linux/printk.h> 30 #include <linux/printk.h>
>> 31 #include <linux/seq_file.h>
31 #include <linux/device.h> 32 #include <linux/device.h>
>> 33 #include <linux/debugfs.h>
32 #include <linux/dynamic_debug.h> 34 #include <linux/dynamic_debug.h>
33 35
34 #include <drm/drm.h> 36 #include <drm/drm.h>
35 37
36 struct debugfs_regset32; <<
37 struct drm_device; 38 struct drm_device;
38 struct seq_file; <<
39 39
40 /* Do *not* use outside of drm_print.[ch]! */ 40 /* Do *not* use outside of drm_print.[ch]! */
41 extern unsigned long __drm_debug; 41 extern unsigned long __drm_debug;
42 42
43 /** 43 /**
44 * DOC: print 44 * DOC: print
45 * 45 *
46 * A simple wrapper for dev_printk(), seq_prin 46 * A simple wrapper for dev_printk(), seq_printf(), etc. Allows same
47 * debug code to be used for both debugfs and 47 * debug code to be used for both debugfs and printk logging.
48 * 48 *
49 * For example:: 49 * For example::
50 * 50 *
51 * void log_some_info(struct drm_printer * 51 * void log_some_info(struct drm_printer *p)
52 * { 52 * {
53 * drm_printf(p, "foo=%d\n", foo); 53 * drm_printf(p, "foo=%d\n", foo);
54 * drm_printf(p, "bar=%d\n", bar); 54 * drm_printf(p, "bar=%d\n", bar);
55 * } 55 * }
56 * 56 *
57 * #ifdef CONFIG_DEBUG_FS 57 * #ifdef CONFIG_DEBUG_FS
58 * void debugfs_show(struct seq_file *f) 58 * void debugfs_show(struct seq_file *f)
59 * { 59 * {
60 * struct drm_printer p = drm_seq_ 60 * struct drm_printer p = drm_seq_file_printer(f);
61 * log_some_info(&p); 61 * log_some_info(&p);
62 * } 62 * }
63 * #endif 63 * #endif
64 * 64 *
65 * void some_other_function(...) 65 * void some_other_function(...)
66 * { 66 * {
67 * struct drm_printer p = drm_info 67 * struct drm_printer p = drm_info_printer(drm->dev);
68 * log_some_info(&p); 68 * log_some_info(&p);
69 * } 69 * }
70 */ 70 */
71 71
72 /** 72 /**
73 * enum drm_debug_category - The DRM debug cat 73 * enum drm_debug_category - The DRM debug categories
74 * 74 *
75 * Each of the DRM debug logging macros use a 75 * Each of the DRM debug logging macros use a specific category, and the logging
76 * is filtered by the drm.debug module paramet 76 * is filtered by the drm.debug module parameter. This enum specifies the values
77 * for the interface. 77 * for the interface.
78 * 78 *
79 * Each DRM_DEBUG_<CATEGORY> macro logs to DRM 79 * Each DRM_DEBUG_<CATEGORY> macro logs to DRM_UT_<CATEGORY> category, except
80 * DRM_DEBUG() logs to DRM_UT_CORE. 80 * DRM_DEBUG() logs to DRM_UT_CORE.
81 * 81 *
82 * Enabling verbose debug messages is done thr 82 * Enabling verbose debug messages is done through the drm.debug parameter, each
83 * category being enabled by a bit: 83 * category being enabled by a bit:
84 * 84 *
85 * - drm.debug=0x1 will enable CORE messages 85 * - drm.debug=0x1 will enable CORE messages
86 * - drm.debug=0x2 will enable DRIVER message 86 * - drm.debug=0x2 will enable DRIVER messages
87 * - drm.debug=0x3 will enable CORE and DRIVE 87 * - drm.debug=0x3 will enable CORE and DRIVER messages
88 * - ... 88 * - ...
89 * - drm.debug=0x1ff will enable all messages 89 * - drm.debug=0x1ff will enable all messages
90 * 90 *
91 * An interesting feature is that it's possibl 91 * An interesting feature is that it's possible to enable verbose logging at
92 * run-time by echoing the debug value in its 92 * run-time by echoing the debug value in its sysfs node::
93 * 93 *
94 * # echo 0xf > /sys/module/drm/parameters/d 94 * # echo 0xf > /sys/module/drm/parameters/debug
95 * 95 *
96 */ 96 */
97 enum drm_debug_category { 97 enum drm_debug_category {
98 /* These names must match those in DYN 98 /* These names must match those in DYNAMIC_DEBUG_CLASSBITS */
99 /** 99 /**
100 * @DRM_UT_CORE: Used in the generic d 100 * @DRM_UT_CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c,
101 * drm_memory.c, ... 101 * drm_memory.c, ...
102 */ 102 */
103 DRM_UT_CORE, 103 DRM_UT_CORE,
104 /** 104 /**
105 * @DRM_UT_DRIVER: Used in the vendor 105 * @DRM_UT_DRIVER: Used in the vendor specific part of the driver: i915,
106 * radeon, ... macro. 106 * radeon, ... macro.
107 */ 107 */
108 DRM_UT_DRIVER, 108 DRM_UT_DRIVER,
109 /** 109 /**
110 * @DRM_UT_KMS: Used in the modesettin 110 * @DRM_UT_KMS: Used in the modesetting code.
111 */ 111 */
112 DRM_UT_KMS, 112 DRM_UT_KMS,
113 /** 113 /**
114 * @DRM_UT_PRIME: Used in the prime co 114 * @DRM_UT_PRIME: Used in the prime code.
115 */ 115 */
116 DRM_UT_PRIME, 116 DRM_UT_PRIME,
117 /** 117 /**
118 * @DRM_UT_ATOMIC: Used in the atomic 118 * @DRM_UT_ATOMIC: Used in the atomic code.
119 */ 119 */
120 DRM_UT_ATOMIC, 120 DRM_UT_ATOMIC,
121 /** 121 /**
122 * @DRM_UT_VBL: Used for verbose debug 122 * @DRM_UT_VBL: Used for verbose debug message in the vblank code.
123 */ 123 */
124 DRM_UT_VBL, 124 DRM_UT_VBL,
125 /** 125 /**
126 * @DRM_UT_STATE: Used for verbose ato 126 * @DRM_UT_STATE: Used for verbose atomic state debugging.
127 */ 127 */
128 DRM_UT_STATE, 128 DRM_UT_STATE,
129 /** 129 /**
130 * @DRM_UT_LEASE: Used in the lease co 130 * @DRM_UT_LEASE: Used in the lease code.
131 */ 131 */
132 DRM_UT_LEASE, 132 DRM_UT_LEASE,
133 /** 133 /**
134 * @DRM_UT_DP: Used in the DP code. 134 * @DRM_UT_DP: Used in the DP code.
135 */ 135 */
136 DRM_UT_DP, 136 DRM_UT_DP,
137 /** 137 /**
138 * @DRM_UT_DRMRES: Used in the drm man 138 * @DRM_UT_DRMRES: Used in the drm managed resources code.
139 */ 139 */
140 DRM_UT_DRMRES 140 DRM_UT_DRMRES
141 }; 141 };
142 142
143 static inline bool drm_debug_enabled_raw(enum 143 static inline bool drm_debug_enabled_raw(enum drm_debug_category category)
144 { 144 {
145 return unlikely(__drm_debug & BIT(cate 145 return unlikely(__drm_debug & BIT(category));
146 } 146 }
147 147
148 #define drm_debug_enabled_instrumented(categor 148 #define drm_debug_enabled_instrumented(category) \
149 ({ 149 ({ \
150 pr_debug("todo: is this freque 150 pr_debug("todo: is this frequent enough to optimize ?\n"); \
151 drm_debug_enabled_raw(category 151 drm_debug_enabled_raw(category); \
152 }) 152 })
153 153
154 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) 154 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
155 /* 155 /*
156 * the drm.debug API uses dyndbg, so each drm_ 156 * the drm.debug API uses dyndbg, so each drm_*dbg macro/callsite gets
157 * a descriptor, and only enabled callsites ar 157 * a descriptor, and only enabled callsites are reachable. They use
158 * the private macro to avoid re-testing the e 158 * the private macro to avoid re-testing the enable-bit.
159 */ 159 */
160 #define __drm_debug_enabled(category) true 160 #define __drm_debug_enabled(category) true
161 #define drm_debug_enabled(category) drm_de 161 #define drm_debug_enabled(category) drm_debug_enabled_instrumented(category)
162 #else 162 #else
163 #define __drm_debug_enabled(category) drm_de 163 #define __drm_debug_enabled(category) drm_debug_enabled_raw(category)
164 #define drm_debug_enabled(category) drm_de 164 #define drm_debug_enabled(category) drm_debug_enabled_raw(category)
165 #endif 165 #endif
166 166
167 /** 167 /**
168 * struct drm_printer - drm output "stream" 168 * struct drm_printer - drm output "stream"
169 * 169 *
170 * Do not use struct members directly. Use dr 170 * Do not use struct members directly. Use drm_printer_seq_file(),
171 * drm_printer_info(), etc to initialize. And 171 * drm_printer_info(), etc to initialize. And drm_printf() for output.
172 */ 172 */
173 struct drm_printer { 173 struct drm_printer {
174 /* private: */ 174 /* private: */
175 void (*printfn)(struct drm_printer *p, 175 void (*printfn)(struct drm_printer *p, struct va_format *vaf);
176 void (*puts)(struct drm_printer *p, co 176 void (*puts)(struct drm_printer *p, const char *str);
177 void *arg; 177 void *arg;
178 const void *origin; <<
179 const char *prefix; 178 const char *prefix;
180 enum drm_debug_category category; 179 enum drm_debug_category category;
181 }; 180 };
182 181
183 void __drm_printfn_coredump(struct drm_printer 182 void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf);
184 void __drm_puts_coredump(struct drm_printer *p 183 void __drm_puts_coredump(struct drm_printer *p, const char *str);
185 void __drm_printfn_seq_file(struct drm_printer 184 void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf);
186 void __drm_puts_seq_file(struct drm_printer *p 185 void __drm_puts_seq_file(struct drm_printer *p, const char *str);
187 void __drm_printfn_info(struct drm_printer *p, 186 void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf);
188 void __drm_printfn_dbg(struct drm_printer *p, 187 void __drm_printfn_dbg(struct drm_printer *p, struct va_format *vaf);
189 void __drm_printfn_err(struct drm_printer *p, 188 void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf);
190 189
191 __printf(2, 3) 190 __printf(2, 3)
192 void drm_printf(struct drm_printer *p, const c 191 void drm_printf(struct drm_printer *p, const char *f, ...);
193 void drm_puts(struct drm_printer *p, const cha 192 void drm_puts(struct drm_printer *p, const char *str);
194 void drm_print_regset32(struct drm_printer *p, 193 void drm_print_regset32(struct drm_printer *p, struct debugfs_regset32 *regset);
195 void drm_print_bits(struct drm_printer *p, uns 194 void drm_print_bits(struct drm_printer *p, unsigned long value,
196 const char * const bits[], 195 const char * const bits[], unsigned int nbits);
197 196
198 __printf(2, 0) 197 __printf(2, 0)
199 /** 198 /**
200 * drm_vprintf - print to a &drm_printer strea 199 * drm_vprintf - print to a &drm_printer stream
201 * @p: the &drm_printer 200 * @p: the &drm_printer
202 * @fmt: format string 201 * @fmt: format string
203 * @va: the va_list 202 * @va: the va_list
204 */ 203 */
205 static inline void 204 static inline void
206 drm_vprintf(struct drm_printer *p, const char 205 drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
207 { 206 {
208 struct va_format vaf = { .fmt = fmt, . 207 struct va_format vaf = { .fmt = fmt, .va = va };
209 208
210 p->printfn(p, &vaf); 209 p->printfn(p, &vaf);
211 } 210 }
212 211
213 /** 212 /**
214 * drm_printf_indent - Print to a &drm_printer 213 * drm_printf_indent - Print to a &drm_printer stream with indentation
215 * @printer: DRM printer 214 * @printer: DRM printer
216 * @indent: Tab indentation level (max 5) 215 * @indent: Tab indentation level (max 5)
217 * @fmt: Format string 216 * @fmt: Format string
218 */ 217 */
219 #define drm_printf_indent(printer, indent, fmt 218 #define drm_printf_indent(printer, indent, fmt, ...) \
220 drm_printf((printer), "%.*s" fmt, (ind 219 drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__)
221 220
222 /** 221 /**
223 * struct drm_print_iterator - local struct us 222 * struct drm_print_iterator - local struct used with drm_printer_coredump
224 * @data: Pointer to the devcoredump output bu 223 * @data: Pointer to the devcoredump output buffer
225 * @start: The offset within the buffer to sta 224 * @start: The offset within the buffer to start writing
226 * @remain: The number of bytes to write for t 225 * @remain: The number of bytes to write for this iteration
227 */ 226 */
228 struct drm_print_iterator { 227 struct drm_print_iterator {
229 void *data; 228 void *data;
230 ssize_t start; 229 ssize_t start;
231 ssize_t remain; 230 ssize_t remain;
232 /* private: */ 231 /* private: */
233 ssize_t offset; 232 ssize_t offset;
234 }; 233 };
235 234
236 /** 235 /**
237 * drm_coredump_printer - construct a &drm_pri 236 * drm_coredump_printer - construct a &drm_printer that can output to a buffer
238 * from the read function for devcoredump 237 * from the read function for devcoredump
239 * @iter: A pointer to a struct drm_print_iter 238 * @iter: A pointer to a struct drm_print_iterator for the read instance
240 * 239 *
241 * This wrapper extends drm_printf() to work w 240 * This wrapper extends drm_printf() to work with a dev_coredumpm() callback
242 * function. The passed in drm_print_iterator 241 * function. The passed in drm_print_iterator struct contains the buffer
243 * pointer, size and offset as passed in from 242 * pointer, size and offset as passed in from devcoredump.
244 * 243 *
245 * For example:: 244 * For example::
246 * 245 *
247 * void coredump_read(char *buffer, loff_ 246 * void coredump_read(char *buffer, loff_t offset, size_t count,
248 * void *data, size_t datalen) 247 * void *data, size_t datalen)
249 * { 248 * {
250 * struct drm_print_iterator iter 249 * struct drm_print_iterator iter;
251 * struct drm_printer p; 250 * struct drm_printer p;
252 * 251 *
253 * iter.data = buffer; 252 * iter.data = buffer;
254 * iter.start = offset; 253 * iter.start = offset;
255 * iter.remain = count; 254 * iter.remain = count;
256 * 255 *
257 * p = drm_coredump_printer(&iter 256 * p = drm_coredump_printer(&iter);
258 * 257 *
259 * drm_printf(p, "foo=%d\n", foo) 258 * drm_printf(p, "foo=%d\n", foo);
260 * } 259 * }
261 * 260 *
262 * void makecoredump(...) 261 * void makecoredump(...)
263 * { 262 * {
264 * ... 263 * ...
265 * dev_coredumpm(dev, THIS_MODULE 264 * dev_coredumpm(dev, THIS_MODULE, data, 0, GFP_KERNEL,
266 * coredump_read, ...) 265 * coredump_read, ...)
267 * } 266 * }
268 * 267 *
269 * RETURNS: 268 * RETURNS:
270 * The &drm_printer object 269 * The &drm_printer object
271 */ 270 */
272 static inline struct drm_printer 271 static inline struct drm_printer
273 drm_coredump_printer(struct drm_print_iterator 272 drm_coredump_printer(struct drm_print_iterator *iter)
274 { 273 {
275 struct drm_printer p = { 274 struct drm_printer p = {
276 .printfn = __drm_printfn_cored 275 .printfn = __drm_printfn_coredump,
277 .puts = __drm_puts_coredump, 276 .puts = __drm_puts_coredump,
278 .arg = iter, 277 .arg = iter,
279 }; 278 };
280 279
281 /* Set the internal offset of the iter 280 /* Set the internal offset of the iterator to zero */
282 iter->offset = 0; 281 iter->offset = 0;
283 282
284 return p; 283 return p;
285 } 284 }
286 285
287 /** 286 /**
288 * drm_seq_file_printer - construct a &drm_pri 287 * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file
289 * @f: the &struct seq_file to output to 288 * @f: the &struct seq_file to output to
290 * 289 *
291 * RETURNS: 290 * RETURNS:
292 * The &drm_printer object 291 * The &drm_printer object
293 */ 292 */
294 static inline struct drm_printer drm_seq_file_ 293 static inline struct drm_printer drm_seq_file_printer(struct seq_file *f)
295 { 294 {
296 struct drm_printer p = { 295 struct drm_printer p = {
297 .printfn = __drm_printfn_seq_f 296 .printfn = __drm_printfn_seq_file,
298 .puts = __drm_puts_seq_file, 297 .puts = __drm_puts_seq_file,
299 .arg = f, 298 .arg = f,
300 }; 299 };
301 return p; 300 return p;
302 } 301 }
303 302
304 /** 303 /**
305 * drm_info_printer - construct a &drm_printer 304 * drm_info_printer - construct a &drm_printer that outputs to dev_printk()
306 * @dev: the &struct device pointer 305 * @dev: the &struct device pointer
307 * 306 *
308 * RETURNS: 307 * RETURNS:
309 * The &drm_printer object 308 * The &drm_printer object
310 */ 309 */
311 static inline struct drm_printer drm_info_prin 310 static inline struct drm_printer drm_info_printer(struct device *dev)
312 { 311 {
313 struct drm_printer p = { 312 struct drm_printer p = {
314 .printfn = __drm_printfn_info, 313 .printfn = __drm_printfn_info,
315 .arg = dev, 314 .arg = dev,
316 }; 315 };
317 return p; 316 return p;
318 } 317 }
319 318
320 /** 319 /**
321 * drm_dbg_printer - construct a &drm_printer 320 * drm_dbg_printer - construct a &drm_printer for drm device specific output
322 * @drm: the &struct drm_device pointer, or NU 321 * @drm: the &struct drm_device pointer, or NULL
323 * @category: the debug category to use 322 * @category: the debug category to use
324 * @prefix: debug output prefix, or NULL for n 323 * @prefix: debug output prefix, or NULL for no prefix
325 * 324 *
326 * RETURNS: 325 * RETURNS:
327 * The &drm_printer object 326 * The &drm_printer object
328 */ 327 */
329 static inline struct drm_printer drm_dbg_print 328 static inline struct drm_printer drm_dbg_printer(struct drm_device *drm,
330 329 enum drm_debug_category category,
331 330 const char *prefix)
332 { 331 {
333 struct drm_printer p = { 332 struct drm_printer p = {
334 .printfn = __drm_printfn_dbg, 333 .printfn = __drm_printfn_dbg,
335 .arg = drm, 334 .arg = drm,
336 .origin = (const void *)_THIS_ <<
337 .prefix = prefix, 335 .prefix = prefix,
338 .category = category, 336 .category = category,
339 }; 337 };
340 return p; 338 return p;
341 } 339 }
342 340
343 /** 341 /**
344 * drm_err_printer - construct a &drm_printer 342 * drm_err_printer - construct a &drm_printer that outputs to drm_err()
345 * @drm: the &struct drm_device pointer 343 * @drm: the &struct drm_device pointer
346 * @prefix: debug output prefix, or NULL for n 344 * @prefix: debug output prefix, or NULL for no prefix
347 * 345 *
348 * RETURNS: 346 * RETURNS:
349 * The &drm_printer object 347 * The &drm_printer object
350 */ 348 */
351 static inline struct drm_printer drm_err_print 349 static inline struct drm_printer drm_err_printer(struct drm_device *drm,
352 350 const char *prefix)
353 { 351 {
354 struct drm_printer p = { 352 struct drm_printer p = {
355 .printfn = __drm_printfn_err, 353 .printfn = __drm_printfn_err,
356 .arg = drm, 354 .arg = drm,
357 .prefix = prefix 355 .prefix = prefix
358 }; 356 };
359 return p; 357 return p;
360 } 358 }
361 359
362 /* 360 /*
363 * struct device based logging 361 * struct device based logging
364 * 362 *
365 * Prefer drm_device based logging over device 363 * Prefer drm_device based logging over device or printk based logging.
366 */ 364 */
367 365
368 __printf(3, 4) 366 __printf(3, 4)
369 void drm_dev_printk(const struct device *dev, 367 void drm_dev_printk(const struct device *dev, const char *level,
370 const char *format, ...); 368 const char *format, ...);
371 struct _ddebug; 369 struct _ddebug;
372 __printf(4, 5) 370 __printf(4, 5)
373 void __drm_dev_dbg(struct _ddebug *desc, const 371 void __drm_dev_dbg(struct _ddebug *desc, const struct device *dev,
374 enum drm_debug_category cat 372 enum drm_debug_category category, const char *format, ...);
375 373
376 /** 374 /**
377 * DRM_DEV_ERROR() - Error output. 375 * DRM_DEV_ERROR() - Error output.
378 * 376 *
379 * NOTE: this is deprecated in favor of drm_er 377 * NOTE: this is deprecated in favor of drm_err() or dev_err().
380 * 378 *
381 * @dev: device pointer 379 * @dev: device pointer
382 * @fmt: printf() like format string. 380 * @fmt: printf() like format string.
383 */ 381 */
384 #define DRM_DEV_ERROR(dev, fmt, ...) 382 #define DRM_DEV_ERROR(dev, fmt, ...) \
385 drm_dev_printk(dev, KERN_ERR, "*ERROR* 383 drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__)
386 384
387 /** 385 /**
388 * DRM_DEV_ERROR_RATELIMITED() - Rate limited 386 * DRM_DEV_ERROR_RATELIMITED() - Rate limited error output.
389 * 387 *
390 * NOTE: this is deprecated in favor of drm_er 388 * NOTE: this is deprecated in favor of drm_err_ratelimited() or
391 * dev_err_ratelimited(). 389 * dev_err_ratelimited().
392 * 390 *
393 * @dev: device pointer 391 * @dev: device pointer
394 * @fmt: printf() like format string. 392 * @fmt: printf() like format string.
395 * 393 *
396 * Like DRM_ERROR() but won't flood the log. 394 * Like DRM_ERROR() but won't flood the log.
397 */ 395 */
398 #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, .. 396 #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
399 ({ 397 ({ \
400 static DEFINE_RATELIMIT_STATE(_rs, 398 static DEFINE_RATELIMIT_STATE(_rs, \
401 DEFAULT_ 399 DEFAULT_RATELIMIT_INTERVAL, \
402 DEFAULT_ 400 DEFAULT_RATELIMIT_BURST); \
403 401 \
404 if (__ratelimit(&_rs)) 402 if (__ratelimit(&_rs)) \
405 DRM_DEV_ERROR(dev, fmt, ##__VA 403 DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
406 }) 404 })
407 405
408 /* NOTE: this is deprecated in favor of drm_in 406 /* NOTE: this is deprecated in favor of drm_info() or dev_info(). */
409 #define DRM_DEV_INFO(dev, fmt, ...) 407 #define DRM_DEV_INFO(dev, fmt, ...) \
410 drm_dev_printk(dev, KERN_INFO, fmt, ## 408 drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
411 409
412 /* NOTE: this is deprecated in favor of drm_in 410 /* NOTE: this is deprecated in favor of drm_info_once() or dev_info_once(). */
413 #define DRM_DEV_INFO_ONCE(dev, fmt, ...) 411 #define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
414 ({ 412 ({ \
415 static bool __print_once __read_mostly 413 static bool __print_once __read_mostly; \
416 if (!__print_once) { 414 if (!__print_once) { \
417 __print_once = true; 415 __print_once = true; \
418 DRM_DEV_INFO(dev, fmt, ##__VA_ 416 DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
419 } 417 } \
420 }) 418 })
421 419
422 #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) 420 #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
423 #define drm_dev_dbg(dev, cat, fmt, ...) 421 #define drm_dev_dbg(dev, cat, fmt, ...) \
424 __drm_dev_dbg(NULL, dev, cat, fmt, ##_ 422 __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__)
425 #else 423 #else
426 #define drm_dev_dbg(dev, cat, fmt, ...) 424 #define drm_dev_dbg(dev, cat, fmt, ...) \
427 _dynamic_func_call_cls(cat, fmt, __drm 425 _dynamic_func_call_cls(cat, fmt, __drm_dev_dbg, \
428 dev, cat, fmt, 426 dev, cat, fmt, ##__VA_ARGS__)
429 #endif 427 #endif
430 428
431 /** 429 /**
432 * DRM_DEV_DEBUG() - Debug output for generic 430 * DRM_DEV_DEBUG() - Debug output for generic drm code
433 * 431 *
434 * NOTE: this is deprecated in favor of drm_db 432 * NOTE: this is deprecated in favor of drm_dbg_core().
435 * 433 *
436 * @dev: device pointer 434 * @dev: device pointer
437 * @fmt: printf() like format string. 435 * @fmt: printf() like format string.
438 */ 436 */
439 #define DRM_DEV_DEBUG(dev, fmt, ...) 437 #define DRM_DEV_DEBUG(dev, fmt, ...) \
440 drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##_ 438 drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__)
441 /** 439 /**
442 * DRM_DEV_DEBUG_DRIVER() - Debug output for v 440 * DRM_DEV_DEBUG_DRIVER() - Debug output for vendor specific part of the driver
443 * 441 *
444 * NOTE: this is deprecated in favor of drm_db 442 * NOTE: this is deprecated in favor of drm_dbg() or dev_dbg().
445 * 443 *
446 * @dev: device pointer 444 * @dev: device pointer
447 * @fmt: printf() like format string. 445 * @fmt: printf() like format string.
448 */ 446 */
449 #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) 447 #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \
450 drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, # 448 drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
451 /** 449 /**
452 * DRM_DEV_DEBUG_KMS() - Debug output for mode 450 * DRM_DEV_DEBUG_KMS() - Debug output for modesetting code
453 * 451 *
454 * NOTE: this is deprecated in favor of drm_db 452 * NOTE: this is deprecated in favor of drm_dbg_kms().
455 * 453 *
456 * @dev: device pointer 454 * @dev: device pointer
457 * @fmt: printf() like format string. 455 * @fmt: printf() like format string.
458 */ 456 */
459 #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) 457 #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \
460 drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__ 458 drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__)
461 459
462 /* 460 /*
463 * struct drm_device based logging 461 * struct drm_device based logging
464 * 462 *
465 * Prefer drm_device based logging over device 463 * Prefer drm_device based logging over device or prink based logging.
466 */ 464 */
467 465
468 /* Helper for struct drm_device based logging. 466 /* Helper for struct drm_device based logging. */
469 #define __drm_printk(drm, level, type, fmt, .. 467 #define __drm_printk(drm, level, type, fmt, ...) \
470 dev_##level##type((drm) ? (drm)->dev : 468 dev_##level##type((drm) ? (drm)->dev : NULL, "[drm] " fmt, ##__VA_ARGS__)
471 469
472 470
473 #define drm_info(drm, fmt, ...) 471 #define drm_info(drm, fmt, ...) \
474 __drm_printk((drm), info,, fmt, ##__VA 472 __drm_printk((drm), info,, fmt, ##__VA_ARGS__)
475 473
476 #define drm_notice(drm, fmt, ...) 474 #define drm_notice(drm, fmt, ...) \
477 __drm_printk((drm), notice,, fmt, ##__ 475 __drm_printk((drm), notice,, fmt, ##__VA_ARGS__)
478 476
479 #define drm_warn(drm, fmt, ...) 477 #define drm_warn(drm, fmt, ...) \
480 __drm_printk((drm), warn,, fmt, ##__VA 478 __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
481 479
482 #define drm_err(drm, fmt, ...) 480 #define drm_err(drm, fmt, ...) \
483 __drm_printk((drm), err,, "*ERROR* " f 481 __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__)
484 482
485 483
486 #define drm_info_once(drm, fmt, ...) 484 #define drm_info_once(drm, fmt, ...) \
487 __drm_printk((drm), info, _once, fmt, 485 __drm_printk((drm), info, _once, fmt, ##__VA_ARGS__)
488 486
489 #define drm_notice_once(drm, fmt, ...) 487 #define drm_notice_once(drm, fmt, ...) \
490 __drm_printk((drm), notice, _once, fmt 488 __drm_printk((drm), notice, _once, fmt, ##__VA_ARGS__)
491 489
492 #define drm_warn_once(drm, fmt, ...) 490 #define drm_warn_once(drm, fmt, ...) \
493 __drm_printk((drm), warn, _once, fmt, 491 __drm_printk((drm), warn, _once, fmt, ##__VA_ARGS__)
494 492
495 #define drm_err_once(drm, fmt, ...) 493 #define drm_err_once(drm, fmt, ...) \
496 __drm_printk((drm), err, _once, "*ERRO 494 __drm_printk((drm), err, _once, "*ERROR* " fmt, ##__VA_ARGS__)
497 495
498 496
499 #define drm_err_ratelimited(drm, fmt, ...) 497 #define drm_err_ratelimited(drm, fmt, ...) \
500 __drm_printk((drm), err, _ratelimited, 498 __drm_printk((drm), err, _ratelimited, "*ERROR* " fmt, ##__VA_ARGS__)
501 499
502 500
503 #define drm_dbg_core(drm, fmt, ...) 501 #define drm_dbg_core(drm, fmt, ...) \
504 drm_dev_dbg((drm) ? (drm)->dev : NULL, 502 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_CORE, fmt, ##__VA_ARGS__)
505 #define drm_dbg_driver(drm, fmt, ...) 503 #define drm_dbg_driver(drm, fmt, ...) \
506 drm_dev_dbg((drm) ? (drm)->dev : NULL, 504 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
507 #define drm_dbg_kms(drm, fmt, ...) 505 #define drm_dbg_kms(drm, fmt, ...) \
508 drm_dev_dbg((drm) ? (drm)->dev : NULL, 506 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_KMS, fmt, ##__VA_ARGS__)
509 #define drm_dbg_prime(drm, fmt, ...) 507 #define drm_dbg_prime(drm, fmt, ...) \
510 drm_dev_dbg((drm) ? (drm)->dev : NULL, 508 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
511 #define drm_dbg_atomic(drm, fmt, ...) 509 #define drm_dbg_atomic(drm, fmt, ...) \
512 drm_dev_dbg((drm) ? (drm)->dev : NULL, 510 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
513 #define drm_dbg_vbl(drm, fmt, ...) 511 #define drm_dbg_vbl(drm, fmt, ...) \
514 drm_dev_dbg((drm) ? (drm)->dev : NULL, 512 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_VBL, fmt, ##__VA_ARGS__)
515 #define drm_dbg_state(drm, fmt, ...) 513 #define drm_dbg_state(drm, fmt, ...) \
516 drm_dev_dbg((drm) ? (drm)->dev : NULL, 514 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_STATE, fmt, ##__VA_ARGS__)
517 #define drm_dbg_lease(drm, fmt, ...) 515 #define drm_dbg_lease(drm, fmt, ...) \
518 drm_dev_dbg((drm) ? (drm)->dev : NULL, 516 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
519 #define drm_dbg_dp(drm, fmt, ...) 517 #define drm_dbg_dp(drm, fmt, ...) \
520 drm_dev_dbg((drm) ? (drm)->dev : NULL, 518 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DP, fmt, ##__VA_ARGS__)
521 #define drm_dbg_drmres(drm, fmt, ...) 519 #define drm_dbg_drmres(drm, fmt, ...) \
522 drm_dev_dbg((drm) ? (drm)->dev : NULL, 520 drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRMRES, fmt, ##__VA_ARGS__)
523 521
524 #define drm_dbg(drm, fmt, ...) drm_dbg_driver 522 #define drm_dbg(drm, fmt, ...) drm_dbg_driver(drm, fmt, ##__VA_ARGS__)
525 523
526 /* 524 /*
527 * printk based logging 525 * printk based logging
528 * 526 *
529 * Prefer drm_device based logging over device 527 * Prefer drm_device based logging over device or prink based logging.
530 */ 528 */
531 529
>> 530 __printf(3, 4)
>> 531 void ___drm_dbg(struct _ddebug *desc, enum drm_debug_category category, const char *format, ...);
532 __printf(1, 2) 532 __printf(1, 2)
533 void __drm_err(const char *format, ...); 533 void __drm_err(const char *format, ...);
534 534
535 #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) 535 #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
536 #define __drm_dbg(cat, fmt, ...) __drm_ !! 536 #define __drm_dbg(cat, fmt, ...) ___drm_dbg(NULL, cat, fmt, ##__VA_ARGS__)
537 #else 537 #else
538 #define __drm_dbg(cat, fmt, ...) 538 #define __drm_dbg(cat, fmt, ...) \
539 _dynamic_func_call_cls(cat, fmt, __drm !! 539 _dynamic_func_call_cls(cat, fmt, ___drm_dbg, \
540 NULL, cat, fmt, !! 540 cat, fmt, ##__VA_ARGS__)
541 #endif 541 #endif
542 542
543 /* Macros to make printk easier */ 543 /* Macros to make printk easier */
544 544
545 #define _DRM_PRINTK(once, level, fmt, ...) 545 #define _DRM_PRINTK(once, level, fmt, ...) \
546 printk##once(KERN_##level "[" DRM_NAME 546 printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
547 547
548 /* NOTE: this is deprecated in favor of pr_inf 548 /* NOTE: this is deprecated in favor of pr_info(). */
549 #define DRM_INFO(fmt, ...) 549 #define DRM_INFO(fmt, ...) \
550 _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__ 550 _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
551 /* NOTE: this is deprecated in favor of pr_not 551 /* NOTE: this is deprecated in favor of pr_notice(). */
552 #define DRM_NOTE(fmt, ...) 552 #define DRM_NOTE(fmt, ...) \
553 _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS 553 _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
554 /* NOTE: this is deprecated in favor of pr_war 554 /* NOTE: this is deprecated in favor of pr_warn(). */
555 #define DRM_WARN(fmt, ...) 555 #define DRM_WARN(fmt, ...) \
556 _DRM_PRINTK(, WARNING, fmt, ##__VA_ARG 556 _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
557 557
558 /* NOTE: this is deprecated in favor of pr_inf 558 /* NOTE: this is deprecated in favor of pr_info_once(). */
559 #define DRM_INFO_ONCE(fmt, ...) 559 #define DRM_INFO_ONCE(fmt, ...) \
560 _DRM_PRINTK(_once, INFO, fmt, ##__VA_A 560 _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
561 /* NOTE: this is deprecated in favor of pr_not 561 /* NOTE: this is deprecated in favor of pr_notice_once(). */
562 #define DRM_NOTE_ONCE(fmt, ...) 562 #define DRM_NOTE_ONCE(fmt, ...) \
563 _DRM_PRINTK(_once, NOTICE, fmt, ##__VA 563 _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
564 /* NOTE: this is deprecated in favor of pr_war 564 /* NOTE: this is deprecated in favor of pr_warn_once(). */
565 #define DRM_WARN_ONCE(fmt, ...) 565 #define DRM_WARN_ONCE(fmt, ...) \
566 _DRM_PRINTK(_once, WARNING, fmt, ##__V 566 _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
567 567
568 /* NOTE: this is deprecated in favor of pr_err 568 /* NOTE: this is deprecated in favor of pr_err(). */
569 #define DRM_ERROR(fmt, ...) 569 #define DRM_ERROR(fmt, ...) \
570 __drm_err(fmt, ##__VA_ARGS__) 570 __drm_err(fmt, ##__VA_ARGS__)
571 571
572 /* NOTE: this is deprecated in favor of pr_err 572 /* NOTE: this is deprecated in favor of pr_err_ratelimited(). */
573 #define DRM_ERROR_RATELIMITED(fmt, ...) 573 #define DRM_ERROR_RATELIMITED(fmt, ...) \
574 DRM_DEV_ERROR_RATELIMITED(NULL, fmt, # 574 DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
575 575
576 /* NOTE: this is deprecated in favor of drm_db 576 /* NOTE: this is deprecated in favor of drm_dbg_core(NULL, ...). */
577 #define DRM_DEBUG(fmt, ...) 577 #define DRM_DEBUG(fmt, ...) \
578 __drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARG 578 __drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__)
579 579
580 /* NOTE: this is deprecated in favor of drm_db 580 /* NOTE: this is deprecated in favor of drm_dbg(NULL, ...). */
581 #define DRM_DEBUG_DRIVER(fmt, ...) 581 #define DRM_DEBUG_DRIVER(fmt, ...) \
582 __drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_A 582 __drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
583 583
584 /* NOTE: this is deprecated in favor of drm_db 584 /* NOTE: this is deprecated in favor of drm_dbg_kms(NULL, ...). */
585 #define DRM_DEBUG_KMS(fmt, ...) 585 #define DRM_DEBUG_KMS(fmt, ...) \
586 __drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS 586 __drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__)
587 587
588 /* NOTE: this is deprecated in favor of drm_db 588 /* NOTE: this is deprecated in favor of drm_dbg_prime(NULL, ...). */
589 #define DRM_DEBUG_PRIME(fmt, ...) 589 #define DRM_DEBUG_PRIME(fmt, ...) \
590 __drm_dbg(DRM_UT_PRIME, fmt, ##__VA_AR 590 __drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__)
591 591
592 /* NOTE: this is deprecated in favor of drm_db 592 /* NOTE: this is deprecated in favor of drm_dbg_atomic(NULL, ...). */
593 #define DRM_DEBUG_ATOMIC(fmt, ...) 593 #define DRM_DEBUG_ATOMIC(fmt, ...) \
594 __drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_A 594 __drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
595 595
596 /* NOTE: this is deprecated in favor of drm_db 596 /* NOTE: this is deprecated in favor of drm_dbg_vbl(NULL, ...). */
597 #define DRM_DEBUG_VBL(fmt, ...) 597 #define DRM_DEBUG_VBL(fmt, ...) \
598 __drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS 598 __drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__)
599 599
600 /* NOTE: this is deprecated in favor of drm_db 600 /* NOTE: this is deprecated in favor of drm_dbg_lease(NULL, ...). */
601 #define DRM_DEBUG_LEASE(fmt, ...) 601 #define DRM_DEBUG_LEASE(fmt, ...) \
602 __drm_dbg(DRM_UT_LEASE, fmt, ##__VA_AR 602 __drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__)
603 603
604 /* NOTE: this is deprecated in favor of drm_db 604 /* NOTE: this is deprecated in favor of drm_dbg_dp(NULL, ...). */
605 #define DRM_DEBUG_DP(fmt, ...) 605 #define DRM_DEBUG_DP(fmt, ...) \
606 __drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS 606 __drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__)
607 607
608 #define __DRM_DEFINE_DBG_RATELIMITED(category, 608 #define __DRM_DEFINE_DBG_RATELIMITED(category, drm, fmt, ...) \
609 ({ 609 ({ \
610 static DEFINE_RATELIMIT_STATE(rs_, DEF 610 static DEFINE_RATELIMIT_STATE(rs_, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);\
611 const struct drm_device *drm_ = (drm); 611 const struct drm_device *drm_ = (drm); \
612 612 \
613 if (drm_debug_enabled(DRM_UT_ ## categ 613 if (drm_debug_enabled(DRM_UT_ ## category) && __ratelimit(&rs_)) \
614 drm_dev_printk(drm_ ? drm_->de 614 drm_dev_printk(drm_ ? drm_->dev : NULL, KERN_DEBUG, fmt, ## __VA_ARGS__); \
615 }) 615 })
616 616
617 #define drm_dbg_ratelimited(drm, fmt, ...) \ 617 #define drm_dbg_ratelimited(drm, fmt, ...) \
618 __DRM_DEFINE_DBG_RATELIMITED(DRIVER, d 618 __DRM_DEFINE_DBG_RATELIMITED(DRIVER, drm, fmt, ## __VA_ARGS__)
619 619
620 #define drm_dbg_kms_ratelimited(drm, fmt, ...) 620 #define drm_dbg_kms_ratelimited(drm, fmt, ...) \
621 __DRM_DEFINE_DBG_RATELIMITED(KMS, drm, 621 __DRM_DEFINE_DBG_RATELIMITED(KMS, drm, fmt, ## __VA_ARGS__)
622 622
623 /* 623 /*
624 * struct drm_device based WARNs 624 * struct drm_device based WARNs
625 * 625 *
626 * drm_WARN*() acts like WARN*(), but with the 626 * drm_WARN*() acts like WARN*(), but with the key difference of
627 * using device specific information so that w 627 * using device specific information so that we know from which device
628 * warning is originating from. 628 * warning is originating from.
629 * 629 *
630 * Prefer drm_device based drm_WARN* over regu 630 * Prefer drm_device based drm_WARN* over regular WARN*
631 */ 631 */
632 632
633 /* Helper for struct drm_device based WARNs */ 633 /* Helper for struct drm_device based WARNs */
634 #define drm_WARN(drm, condition, format, arg.. 634 #define drm_WARN(drm, condition, format, arg...) \
635 WARN(condition, "%s %s: [drm] " format !! 635 WARN(condition, "%s %s: " format, \
636 dev_driver_string((drm 636 dev_driver_string((drm)->dev), \
637 dev_name((drm)->dev), 637 dev_name((drm)->dev), ## arg)
638 638
639 #define drm_WARN_ONCE(drm, condition, format, 639 #define drm_WARN_ONCE(drm, condition, format, arg...) \
640 WARN_ONCE(condition, "%s %s: [drm] " f !! 640 WARN_ONCE(condition, "%s %s: " format, \
641 dev_driver_string((drm 641 dev_driver_string((drm)->dev), \
642 dev_name((drm)->dev), 642 dev_name((drm)->dev), ## arg)
643 643
644 #define drm_WARN_ON(drm, x) 644 #define drm_WARN_ON(drm, x) \
645 drm_WARN((drm), (x), "%s", 645 drm_WARN((drm), (x), "%s", \
646 "drm_WARN_ON(" __stringify(x) 646 "drm_WARN_ON(" __stringify(x) ")")
647 647
648 #define drm_WARN_ON_ONCE(drm, x) 648 #define drm_WARN_ON_ONCE(drm, x) \
649 drm_WARN_ONCE((drm), (x), "%s", 649 drm_WARN_ONCE((drm), (x), "%s", \
650 "drm_WARN_ON_ONCE(" __st 650 "drm_WARN_ON_ONCE(" __stringify(x) ")")
651 651
652 #endif /* DRM_PRINT_H_ */ 652 #endif /* DRM_PRINT_H_ */
653 653
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