1d8187177SRob Clark /* 2d8187177SRob Clark * Copyright (C) 2016 Red Hat 3d8187177SRob Clark * 4d8187177SRob Clark * Permission is hereby granted, free of charge, to any person obtaining a 5d8187177SRob Clark * copy of this software and associated documentation files (the "Software"), 6d8187177SRob Clark * to deal in the Software without restriction, including without limitation 7d8187177SRob Clark * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8d8187177SRob Clark * and/or sell copies of the Software, and to permit persons to whom the 9d8187177SRob Clark * Software is furnished to do so, subject to the following conditions: 10d8187177SRob Clark * 11d8187177SRob Clark * The above copyright notice and this permission notice shall be included in 12d8187177SRob Clark * all copies or substantial portions of the Software. 13d8187177SRob Clark * 14d8187177SRob Clark * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15d8187177SRob Clark * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16d8187177SRob Clark * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17d8187177SRob Clark * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18d8187177SRob Clark * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19d8187177SRob Clark * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20d8187177SRob Clark * OTHER DEALINGS IN THE SOFTWARE. 21d8187177SRob Clark * 22d8187177SRob Clark * Authors: 23d8187177SRob Clark * Rob Clark <robdclark@gmail.com> 24d8187177SRob Clark */ 25d8187177SRob Clark 26d8187177SRob Clark #ifndef DRM_PRINT_H_ 27d8187177SRob Clark #define DRM_PRINT_H_ 28d8187177SRob Clark 293c6d6e0fSJoe Perches #include <linux/compiler.h> 303c6d6e0fSJoe Perches #include <linux/printk.h> 31d8187177SRob Clark #include <linux/seq_file.h> 32d8187177SRob Clark #include <linux/device.h> 335f513cc8SEric Anholt #include <linux/debugfs.h> 34d8187177SRob Clark 35656600efSSam Ravnborg #include <drm/drm.h> 36656600efSSam Ravnborg 379f0ac028SJani Nikula /* Do *not* use outside of drm_print.[ch]! */ 389f0ac028SJani Nikula extern unsigned int __drm_debug; 39959b077fSJani Nikula 40d8187177SRob Clark /** 41d8187177SRob Clark * DOC: print 42d8187177SRob Clark * 43d8187177SRob Clark * A simple wrapper for dev_printk(), seq_printf(), etc. Allows same 44d8187177SRob Clark * debug code to be used for both debugfs and printk logging. 45d8187177SRob Clark * 46d8187177SRob Clark * For example:: 47d8187177SRob Clark * 48d8187177SRob Clark * void log_some_info(struct drm_printer *p) 49d8187177SRob Clark * { 50d8187177SRob Clark * drm_printf(p, "foo=%d\n", foo); 51d8187177SRob Clark * drm_printf(p, "bar=%d\n", bar); 52d8187177SRob Clark * } 53d8187177SRob Clark * 54d8187177SRob Clark * #ifdef CONFIG_DEBUG_FS 55d8187177SRob Clark * void debugfs_show(struct seq_file *f) 56d8187177SRob Clark * { 57d8187177SRob Clark * struct drm_printer p = drm_seq_file_printer(f); 58d8187177SRob Clark * log_some_info(&p); 59d8187177SRob Clark * } 60d8187177SRob Clark * #endif 61d8187177SRob Clark * 62d8187177SRob Clark * void some_other_function(...) 63d8187177SRob Clark * { 64d8187177SRob Clark * struct drm_printer p = drm_info_printer(drm->dev); 65d8187177SRob Clark * log_some_info(&p); 66d8187177SRob Clark * } 67d8187177SRob Clark */ 68d8187177SRob Clark 69d8187177SRob Clark /** 70d8187177SRob Clark * struct drm_printer - drm output "stream" 71d8187177SRob Clark * 72d8187177SRob Clark * Do not use struct members directly. Use drm_printer_seq_file(), 73d8187177SRob Clark * drm_printer_info(), etc to initialize. And drm_printf() for output. 74d8187177SRob Clark */ 75d8187177SRob Clark struct drm_printer { 763d387d92SDaniel Vetter /* private: */ 77d8187177SRob Clark void (*printfn)(struct drm_printer *p, struct va_format *vaf); 7863f4cc01SJordan Crouse void (*puts)(struct drm_printer *p, const char *str); 79d8187177SRob Clark void *arg; 803d387d92SDaniel Vetter const char *prefix; 81d8187177SRob Clark }; 82d8187177SRob Clark 83cfc57a18SJordan Crouse void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf); 845dc634bdSJordan Crouse void __drm_puts_coredump(struct drm_printer *p, const char *str); 85d8187177SRob Clark void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf); 864538d732SJordan Crouse void __drm_puts_seq_file(struct drm_printer *p, const char *str); 87d8187177SRob Clark void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf); 883d387d92SDaniel Vetter void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf); 890de54fb2SLyude Paul void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf); 90d8187177SRob Clark 913c6d6e0fSJoe Perches __printf(2, 3) 92d8187177SRob Clark void drm_printf(struct drm_printer *p, const char *f, ...); 9363f4cc01SJordan Crouse void drm_puts(struct drm_printer *p, const char *str); 945f513cc8SEric Anholt void drm_print_regset32(struct drm_printer *p, struct debugfs_regset32 *regset); 95141f6357SGerd Hoffmann void drm_print_bits(struct drm_printer *p, unsigned long value, 96141f6357SGerd Hoffmann const char * const bits[], unsigned int nbits); 97d8187177SRob Clark 9842f1b310SDaniel Vetter __printf(2, 0) 99bf6234a2SNoralf Trønnes /** 100e2b155e9SChris Wilson * drm_vprintf - print to a &drm_printer stream 101e2b155e9SChris Wilson * @p: the &drm_printer 102e2b155e9SChris Wilson * @fmt: format string 103e2b155e9SChris Wilson * @va: the va_list 104e2b155e9SChris Wilson */ 105e2b155e9SChris Wilson static inline void 106e2b155e9SChris Wilson drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) 107e2b155e9SChris Wilson { 108e2b155e9SChris Wilson struct va_format vaf = { .fmt = fmt, .va = va }; 109e2b155e9SChris Wilson 110e2b155e9SChris Wilson p->printfn(p, &vaf); 111e2b155e9SChris Wilson } 112e2b155e9SChris Wilson 113e2b155e9SChris Wilson /** 114bf6234a2SNoralf Trønnes * drm_printf_indent - Print to a &drm_printer stream with indentation 115bf6234a2SNoralf Trønnes * @printer: DRM printer 116bf6234a2SNoralf Trønnes * @indent: Tab indentation level (max 5) 117bf6234a2SNoralf Trønnes * @fmt: Format string 118bf6234a2SNoralf Trønnes */ 119bf6234a2SNoralf Trønnes #define drm_printf_indent(printer, indent, fmt, ...) \ 120bf6234a2SNoralf Trønnes drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__) 121d8187177SRob Clark 122d8187177SRob Clark /** 123cfc57a18SJordan Crouse * struct drm_print_iterator - local struct used with drm_printer_coredump 124cfc57a18SJordan Crouse * @data: Pointer to the devcoredump output buffer 125cfc57a18SJordan Crouse * @start: The offset within the buffer to start writing 126cfc57a18SJordan Crouse * @remain: The number of bytes to write for this iteration 127cfc57a18SJordan Crouse */ 128cfc57a18SJordan Crouse struct drm_print_iterator { 129cfc57a18SJordan Crouse void *data; 130cfc57a18SJordan Crouse ssize_t start; 131cfc57a18SJordan Crouse ssize_t remain; 132cfc57a18SJordan Crouse /* private: */ 133cfc57a18SJordan Crouse ssize_t offset; 134cfc57a18SJordan Crouse }; 135cfc57a18SJordan Crouse 136cfc57a18SJordan Crouse /** 137cfc57a18SJordan Crouse * drm_coredump_printer - construct a &drm_printer that can output to a buffer 138cfc57a18SJordan Crouse * from the read function for devcoredump 139cfc57a18SJordan Crouse * @iter: A pointer to a struct drm_print_iterator for the read instance 140cfc57a18SJordan Crouse * 141cfc57a18SJordan Crouse * This wrapper extends drm_printf() to work with a dev_coredumpm() callback 142cfc57a18SJordan Crouse * function. The passed in drm_print_iterator struct contains the buffer 143cfc57a18SJordan Crouse * pointer, size and offset as passed in from devcoredump. 144cfc57a18SJordan Crouse * 145cfc57a18SJordan Crouse * For example:: 146cfc57a18SJordan Crouse * 147cfc57a18SJordan Crouse * void coredump_read(char *buffer, loff_t offset, size_t count, 148cfc57a18SJordan Crouse * void *data, size_t datalen) 149cfc57a18SJordan Crouse * { 150cfc57a18SJordan Crouse * struct drm_print_iterator iter; 151cfc57a18SJordan Crouse * struct drm_printer p; 152cfc57a18SJordan Crouse * 153cfc57a18SJordan Crouse * iter.data = buffer; 154cfc57a18SJordan Crouse * iter.start = offset; 155cfc57a18SJordan Crouse * iter.remain = count; 156cfc57a18SJordan Crouse * 157cfc57a18SJordan Crouse * p = drm_coredump_printer(&iter); 158cfc57a18SJordan Crouse * 159cfc57a18SJordan Crouse * drm_printf(p, "foo=%d\n", foo); 160cfc57a18SJordan Crouse * } 161cfc57a18SJordan Crouse * 162cfc57a18SJordan Crouse * void makecoredump(...) 163cfc57a18SJordan Crouse * { 164cfc57a18SJordan Crouse * ... 165cfc57a18SJordan Crouse * dev_coredumpm(dev, THIS_MODULE, data, 0, GFP_KERNEL, 166cfc57a18SJordan Crouse * coredump_read, ...) 167cfc57a18SJordan Crouse * } 168cfc57a18SJordan Crouse * 169cfc57a18SJordan Crouse * RETURNS: 170cfc57a18SJordan Crouse * The &drm_printer object 171cfc57a18SJordan Crouse */ 172cfc57a18SJordan Crouse static inline struct drm_printer 173cfc57a18SJordan Crouse drm_coredump_printer(struct drm_print_iterator *iter) 174cfc57a18SJordan Crouse { 175cfc57a18SJordan Crouse struct drm_printer p = { 176cfc57a18SJordan Crouse .printfn = __drm_printfn_coredump, 1775dc634bdSJordan Crouse .puts = __drm_puts_coredump, 178cfc57a18SJordan Crouse .arg = iter, 179cfc57a18SJordan Crouse }; 180cfc57a18SJordan Crouse 181cfc57a18SJordan Crouse /* Set the internal offset of the iterator to zero */ 182cfc57a18SJordan Crouse iter->offset = 0; 183cfc57a18SJordan Crouse 184cfc57a18SJordan Crouse return p; 185cfc57a18SJordan Crouse } 186cfc57a18SJordan Crouse 187cfc57a18SJordan Crouse /** 188d8187177SRob Clark * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file 189ea0dd85aSDaniel Vetter * @f: the &struct seq_file to output to 190d8187177SRob Clark * 191d8187177SRob Clark * RETURNS: 192d8187177SRob Clark * The &drm_printer object 193d8187177SRob Clark */ 194d8187177SRob Clark static inline struct drm_printer drm_seq_file_printer(struct seq_file *f) 195d8187177SRob Clark { 196d8187177SRob Clark struct drm_printer p = { 197d8187177SRob Clark .printfn = __drm_printfn_seq_file, 1984538d732SJordan Crouse .puts = __drm_puts_seq_file, 199d8187177SRob Clark .arg = f, 200d8187177SRob Clark }; 201d8187177SRob Clark return p; 202d8187177SRob Clark } 203d8187177SRob Clark 204d8187177SRob Clark /** 205d8187177SRob Clark * drm_info_printer - construct a &drm_printer that outputs to dev_printk() 206ea0dd85aSDaniel Vetter * @dev: the &struct device pointer 207d8187177SRob Clark * 208d8187177SRob Clark * RETURNS: 209d8187177SRob Clark * The &drm_printer object 210d8187177SRob Clark */ 211d8187177SRob Clark static inline struct drm_printer drm_info_printer(struct device *dev) 212d8187177SRob Clark { 213d8187177SRob Clark struct drm_printer p = { 214d8187177SRob Clark .printfn = __drm_printfn_info, 215d8187177SRob Clark .arg = dev, 216d8187177SRob Clark }; 217d8187177SRob Clark return p; 218d8187177SRob Clark } 219d8187177SRob Clark 2203d387d92SDaniel Vetter /** 2213d387d92SDaniel Vetter * drm_debug_printer - construct a &drm_printer that outputs to pr_debug() 2223d387d92SDaniel Vetter * @prefix: debug output prefix 2233d387d92SDaniel Vetter * 2243d387d92SDaniel Vetter * RETURNS: 2253d387d92SDaniel Vetter * The &drm_printer object 2263d387d92SDaniel Vetter */ 2273d387d92SDaniel Vetter static inline struct drm_printer drm_debug_printer(const char *prefix) 2283d387d92SDaniel Vetter { 2293d387d92SDaniel Vetter struct drm_printer p = { 2303d387d92SDaniel Vetter .printfn = __drm_printfn_debug, 2313d387d92SDaniel Vetter .prefix = prefix 2323d387d92SDaniel Vetter }; 2333d387d92SDaniel Vetter return p; 2343d387d92SDaniel Vetter } 23502c9656bSHaneen Mohammed 2360de54fb2SLyude Paul /** 2370de54fb2SLyude Paul * drm_err_printer - construct a &drm_printer that outputs to pr_err() 2380de54fb2SLyude Paul * @prefix: debug output prefix 2390de54fb2SLyude Paul * 2400de54fb2SLyude Paul * RETURNS: 2410de54fb2SLyude Paul * The &drm_printer object 2420de54fb2SLyude Paul */ 2430de54fb2SLyude Paul static inline struct drm_printer drm_err_printer(const char *prefix) 2440de54fb2SLyude Paul { 2450de54fb2SLyude Paul struct drm_printer p = { 2460de54fb2SLyude Paul .printfn = __drm_printfn_err, 2470de54fb2SLyude Paul .prefix = prefix 2480de54fb2SLyude Paul }; 2490de54fb2SLyude Paul return p; 2500de54fb2SLyude Paul } 2510de54fb2SLyude Paul 25202c9656bSHaneen Mohammed /* 25302c9656bSHaneen Mohammed * The following categories are defined: 25402c9656bSHaneen Mohammed * 25502c9656bSHaneen Mohammed * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ... 25602c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG() macro. 25702c9656bSHaneen Mohammed * 25802c9656bSHaneen Mohammed * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ... 25902c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_DRIVER() macro. 26002c9656bSHaneen Mohammed * 26102c9656bSHaneen Mohammed * KMS: used in the modesetting code. 26202c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_KMS() macro. 26302c9656bSHaneen Mohammed * 26402c9656bSHaneen Mohammed * PRIME: used in the prime code. 26502c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_PRIME() macro. 26602c9656bSHaneen Mohammed * 26702c9656bSHaneen Mohammed * ATOMIC: used in the atomic code. 26802c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_ATOMIC() macro. 26902c9656bSHaneen Mohammed * 27002c9656bSHaneen Mohammed * VBL: used for verbose debug message in the vblank code 27102c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_VBL() macro. 27202c9656bSHaneen Mohammed * 27302c9656bSHaneen Mohammed * Enabling verbose debug messages is done through the drm.debug parameter, 27402c9656bSHaneen Mohammed * each category being enabled by a bit. 27502c9656bSHaneen Mohammed * 27602c9656bSHaneen Mohammed * drm.debug=0x1 will enable CORE messages 27702c9656bSHaneen Mohammed * drm.debug=0x2 will enable DRIVER messages 27802c9656bSHaneen Mohammed * drm.debug=0x3 will enable CORE and DRIVER messages 27902c9656bSHaneen Mohammed * ... 28002c9656bSHaneen Mohammed * drm.debug=0x3f will enable all messages 28102c9656bSHaneen Mohammed * 28202c9656bSHaneen Mohammed * An interesting feature is that it's possible to enable verbose logging at 28302c9656bSHaneen Mohammed * run-time by echoing the debug value in its sysfs node: 28402c9656bSHaneen Mohammed * # echo 0xf > /sys/module/drm/parameters/debug 28502c9656bSHaneen Mohammed */ 28602c9656bSHaneen Mohammed #define DRM_UT_NONE 0x00 28702c9656bSHaneen Mohammed #define DRM_UT_CORE 0x01 28802c9656bSHaneen Mohammed #define DRM_UT_DRIVER 0x02 28902c9656bSHaneen Mohammed #define DRM_UT_KMS 0x04 29002c9656bSHaneen Mohammed #define DRM_UT_PRIME 0x08 29102c9656bSHaneen Mohammed #define DRM_UT_ATOMIC 0x10 29202c9656bSHaneen Mohammed #define DRM_UT_VBL 0x20 29302c9656bSHaneen Mohammed #define DRM_UT_STATE 0x40 29470c5f936SDaniel Vetter #define DRM_UT_LEASE 0x80 295a18b2192SLyude Paul #define DRM_UT_DP 0x100 29602c9656bSHaneen Mohammed 297f0a8f533SJani Nikula static inline bool drm_debug_enabled(unsigned int category) 298f0a8f533SJani Nikula { 2999f0ac028SJani Nikula return unlikely(__drm_debug & category); 300f0a8f533SJani Nikula } 301f0a8f533SJani Nikula 302db870864SJoe Perches __printf(3, 4) 30302c9656bSHaneen Mohammed void drm_dev_printk(const struct device *dev, const char *level, 304db870864SJoe Perches const char *format, ...); 305db870864SJoe Perches __printf(3, 4) 306db870864SJoe Perches void drm_dev_dbg(const struct device *dev, unsigned int category, 307db870864SJoe Perches const char *format, ...); 308db870864SJoe Perches 30999a95487SJoe Perches __printf(2, 3) 31099a95487SJoe Perches void drm_dbg(unsigned int category, const char *format, ...); 31199a95487SJoe Perches __printf(1, 2) 31299a95487SJoe Perches void drm_err(const char *format, ...); 313091756bbSHaneen Mohammed 314091756bbSHaneen Mohammed /* Macros to make printk easier */ 31502c9656bSHaneen Mohammed 31602c9656bSHaneen Mohammed #define _DRM_PRINTK(once, level, fmt, ...) \ 317db870864SJoe Perches printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__) 31802c9656bSHaneen Mohammed 31902c9656bSHaneen Mohammed #define DRM_INFO(fmt, ...) \ 32002c9656bSHaneen Mohammed _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__) 32102c9656bSHaneen Mohammed #define DRM_NOTE(fmt, ...) \ 32202c9656bSHaneen Mohammed _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__) 32302c9656bSHaneen Mohammed #define DRM_WARN(fmt, ...) \ 32402c9656bSHaneen Mohammed _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__) 32502c9656bSHaneen Mohammed 32602c9656bSHaneen Mohammed #define DRM_INFO_ONCE(fmt, ...) \ 32702c9656bSHaneen Mohammed _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__) 32802c9656bSHaneen Mohammed #define DRM_NOTE_ONCE(fmt, ...) \ 32902c9656bSHaneen Mohammed _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__) 33002c9656bSHaneen Mohammed #define DRM_WARN_ONCE(fmt, ...) \ 33102c9656bSHaneen Mohammed _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__) 33202c9656bSHaneen Mohammed 33302c9656bSHaneen Mohammed /** 33402c9656bSHaneen Mohammed * Error output. 33502c9656bSHaneen Mohammed * 336091756bbSHaneen Mohammed * @dev: device pointer 337091756bbSHaneen Mohammed * @fmt: printf() like format string. 33802c9656bSHaneen Mohammed */ 33902c9656bSHaneen Mohammed #define DRM_DEV_ERROR(dev, fmt, ...) \ 340db870864SJoe Perches drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__) 34102c9656bSHaneen Mohammed #define DRM_ERROR(fmt, ...) \ 34299a95487SJoe Perches drm_err(fmt, ##__VA_ARGS__) 34302c9656bSHaneen Mohammed 34402c9656bSHaneen Mohammed /** 34502c9656bSHaneen Mohammed * Rate limited error output. Like DRM_ERROR() but won't flood the log. 34602c9656bSHaneen Mohammed * 347091756bbSHaneen Mohammed * @dev: device pointer 348091756bbSHaneen Mohammed * @fmt: printf() like format string. 34902c9656bSHaneen Mohammed */ 35002c9656bSHaneen Mohammed #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \ 35102c9656bSHaneen Mohammed ({ \ 35202c9656bSHaneen Mohammed static DEFINE_RATELIMIT_STATE(_rs, \ 35302c9656bSHaneen Mohammed DEFAULT_RATELIMIT_INTERVAL, \ 35402c9656bSHaneen Mohammed DEFAULT_RATELIMIT_BURST); \ 35502c9656bSHaneen Mohammed \ 35602c9656bSHaneen Mohammed if (__ratelimit(&_rs)) \ 35702c9656bSHaneen Mohammed DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \ 35802c9656bSHaneen Mohammed }) 35902c9656bSHaneen Mohammed #define DRM_ERROR_RATELIMITED(fmt, ...) \ 36002c9656bSHaneen Mohammed DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 36102c9656bSHaneen Mohammed 36202c9656bSHaneen Mohammed #define DRM_DEV_INFO(dev, fmt, ...) \ 363db870864SJoe Perches drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__) 36402c9656bSHaneen Mohammed 36502c9656bSHaneen Mohammed #define DRM_DEV_INFO_ONCE(dev, fmt, ...) \ 36602c9656bSHaneen Mohammed ({ \ 36702c9656bSHaneen Mohammed static bool __print_once __read_mostly; \ 36802c9656bSHaneen Mohammed if (!__print_once) { \ 36902c9656bSHaneen Mohammed __print_once = true; \ 37002c9656bSHaneen Mohammed DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \ 37102c9656bSHaneen Mohammed } \ 37202c9656bSHaneen Mohammed }) 37302c9656bSHaneen Mohammed 37402c9656bSHaneen Mohammed /** 37502c9656bSHaneen Mohammed * Debug output. 37602c9656bSHaneen Mohammed * 377091756bbSHaneen Mohammed * @dev: device pointer 378091756bbSHaneen Mohammed * @fmt: printf() like format string. 37902c9656bSHaneen Mohammed */ 380db870864SJoe Perches #define DRM_DEV_DEBUG(dev, fmt, ...) \ 381db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__) 38202c9656bSHaneen Mohammed #define DRM_DEBUG(fmt, ...) \ 38399a95487SJoe Perches drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__) 38402c9656bSHaneen Mohammed 385db870864SJoe Perches #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \ 386db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) 38702c9656bSHaneen Mohammed #define DRM_DEBUG_DRIVER(fmt, ...) \ 38899a95487SJoe Perches drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__) 38902c9656bSHaneen Mohammed 390db870864SJoe Perches #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \ 391db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__) 39202c9656bSHaneen Mohammed #define DRM_DEBUG_KMS(fmt, ...) \ 39399a95487SJoe Perches drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__) 39402c9656bSHaneen Mohammed 395db870864SJoe Perches #define DRM_DEV_DEBUG_PRIME(dev, fmt, ...) \ 396db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_PRIME, fmt, ##__VA_ARGS__) 39702c9656bSHaneen Mohammed #define DRM_DEBUG_PRIME(fmt, ...) \ 39899a95487SJoe Perches drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__) 39902c9656bSHaneen Mohammed 400db870864SJoe Perches #define DRM_DEV_DEBUG_ATOMIC(dev, fmt, ...) \ 401db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) 40202c9656bSHaneen Mohammed #define DRM_DEBUG_ATOMIC(fmt, ...) \ 40399a95487SJoe Perches drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) 40402c9656bSHaneen Mohammed 405db870864SJoe Perches #define DRM_DEV_DEBUG_VBL(dev, fmt, ...) \ 406db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_VBL, fmt, ##__VA_ARGS__) 40702c9656bSHaneen Mohammed #define DRM_DEBUG_VBL(fmt, ...) \ 40899a95487SJoe Perches drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__) 40902c9656bSHaneen Mohammed 41070c5f936SDaniel Vetter #define DRM_DEBUG_LEASE(fmt, ...) \ 41199a95487SJoe Perches drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__) 41270c5f936SDaniel Vetter 413a18b2192SLyude Paul #define DRM_DEV_DEBUG_DP(dev, fmt, ...) \ 414a18b2192SLyude Paul drm_dev_dbg(dev, DRM_UT_DP, fmt, ## __VA_ARGS__) 415106b6c39SLyude Paul #define DRM_DEBUG_DP(fmt, ...) \ 416a18b2192SLyude Paul drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__) 417a18b2192SLyude Paul 418db870864SJoe Perches #define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, category, fmt, ...) \ 41902c9656bSHaneen Mohammed ({ \ 42002c9656bSHaneen Mohammed static DEFINE_RATELIMIT_STATE(_rs, \ 42102c9656bSHaneen Mohammed DEFAULT_RATELIMIT_INTERVAL, \ 42202c9656bSHaneen Mohammed DEFAULT_RATELIMIT_BURST); \ 42302c9656bSHaneen Mohammed if (__ratelimit(&_rs)) \ 424db870864SJoe Perches drm_dev_dbg(dev, category, fmt, ##__VA_ARGS__); \ 42502c9656bSHaneen Mohammed }) 42602c9656bSHaneen Mohammed 42702c9656bSHaneen Mohammed /** 42802c9656bSHaneen Mohammed * Rate limited debug output. Like DRM_DEBUG() but won't flood the log. 42902c9656bSHaneen Mohammed * 430091756bbSHaneen Mohammed * @dev: device pointer 431091756bbSHaneen Mohammed * @fmt: printf() like format string. 43202c9656bSHaneen Mohammed */ 433db870864SJoe Perches #define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, ...) \ 434db870864SJoe Perches _DEV_DRM_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_CORE, \ 435db870864SJoe Perches fmt, ##__VA_ARGS__) 436db870864SJoe Perches #define DRM_DEBUG_RATELIMITED(fmt, ...) \ 437db870864SJoe Perches DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 438db870864SJoe Perches 439db870864SJoe Perches #define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, ...) \ 440db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_DRIVER, \ 441db870864SJoe Perches fmt, ##__VA_ARGS__) 442db870864SJoe Perches #define DRM_DEBUG_DRIVER_RATELIMITED(fmt, ...) \ 443db870864SJoe Perches DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 444db870864SJoe Perches 445db870864SJoe Perches #define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, ...) \ 446db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_KMS, \ 447db870864SJoe Perches fmt, ##__VA_ARGS__) 448db870864SJoe Perches #define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) \ 449db870864SJoe Perches DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 450db870864SJoe Perches 451db870864SJoe Perches #define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, ...) \ 452db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_PRIME, \ 453db870864SJoe Perches fmt, ##__VA_ARGS__) 454db870864SJoe Perches #define DRM_DEBUG_PRIME_RATELIMITED(fmt, ...) \ 455db870864SJoe Perches DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 45602c9656bSHaneen Mohammed 457d8187177SRob Clark #endif /* DRM_PRINT_H_ */ 458