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> 33d8187177SRob Clark 34d8187177SRob Clark /** 35d8187177SRob Clark * DOC: print 36d8187177SRob Clark * 37d8187177SRob Clark * A simple wrapper for dev_printk(), seq_printf(), etc. Allows same 38d8187177SRob Clark * debug code to be used for both debugfs and printk logging. 39d8187177SRob Clark * 40d8187177SRob Clark * For example:: 41d8187177SRob Clark * 42d8187177SRob Clark * void log_some_info(struct drm_printer *p) 43d8187177SRob Clark * { 44d8187177SRob Clark * drm_printf(p, "foo=%d\n", foo); 45d8187177SRob Clark * drm_printf(p, "bar=%d\n", bar); 46d8187177SRob Clark * } 47d8187177SRob Clark * 48d8187177SRob Clark * #ifdef CONFIG_DEBUG_FS 49d8187177SRob Clark * void debugfs_show(struct seq_file *f) 50d8187177SRob Clark * { 51d8187177SRob Clark * struct drm_printer p = drm_seq_file_printer(f); 52d8187177SRob Clark * log_some_info(&p); 53d8187177SRob Clark * } 54d8187177SRob Clark * #endif 55d8187177SRob Clark * 56d8187177SRob Clark * void some_other_function(...) 57d8187177SRob Clark * { 58d8187177SRob Clark * struct drm_printer p = drm_info_printer(drm->dev); 59d8187177SRob Clark * log_some_info(&p); 60d8187177SRob Clark * } 61d8187177SRob Clark */ 62d8187177SRob Clark 63d8187177SRob Clark /** 64d8187177SRob Clark * struct drm_printer - drm output "stream" 65d8187177SRob Clark * 66d8187177SRob Clark * Do not use struct members directly. Use drm_printer_seq_file(), 67d8187177SRob Clark * drm_printer_info(), etc to initialize. And drm_printf() for output. 68d8187177SRob Clark */ 69d8187177SRob Clark struct drm_printer { 703d387d92SDaniel Vetter /* private: */ 71d8187177SRob Clark void (*printfn)(struct drm_printer *p, struct va_format *vaf); 72d8187177SRob Clark void *arg; 733d387d92SDaniel Vetter const char *prefix; 74d8187177SRob Clark }; 75d8187177SRob Clark 76cfc57a18SJordan Crouse void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf); 77d8187177SRob Clark void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf); 78d8187177SRob Clark void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf); 793d387d92SDaniel Vetter void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf); 80d8187177SRob Clark 813c6d6e0fSJoe Perches __printf(2, 3) 82d8187177SRob Clark void drm_printf(struct drm_printer *p, const char *f, ...); 83d8187177SRob Clark 8442f1b310SDaniel Vetter __printf(2, 0) 85bf6234a2SNoralf Trønnes /** 86e2b155e9SChris Wilson * drm_vprintf - print to a &drm_printer stream 87e2b155e9SChris Wilson * @p: the &drm_printer 88e2b155e9SChris Wilson * @fmt: format string 89e2b155e9SChris Wilson * @va: the va_list 90e2b155e9SChris Wilson */ 91e2b155e9SChris Wilson static inline void 92e2b155e9SChris Wilson drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) 93e2b155e9SChris Wilson { 94e2b155e9SChris Wilson struct va_format vaf = { .fmt = fmt, .va = va }; 95e2b155e9SChris Wilson 96e2b155e9SChris Wilson p->printfn(p, &vaf); 97e2b155e9SChris Wilson } 98e2b155e9SChris Wilson 99e2b155e9SChris Wilson /** 100bf6234a2SNoralf Trønnes * drm_printf_indent - Print to a &drm_printer stream with indentation 101bf6234a2SNoralf Trønnes * @printer: DRM printer 102bf6234a2SNoralf Trønnes * @indent: Tab indentation level (max 5) 103bf6234a2SNoralf Trønnes * @fmt: Format string 104bf6234a2SNoralf Trønnes */ 105bf6234a2SNoralf Trønnes #define drm_printf_indent(printer, indent, fmt, ...) \ 106bf6234a2SNoralf Trønnes drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__) 107d8187177SRob Clark 108d8187177SRob Clark /** 109cfc57a18SJordan Crouse * struct drm_print_iterator - local struct used with drm_printer_coredump 110cfc57a18SJordan Crouse * @data: Pointer to the devcoredump output buffer 111cfc57a18SJordan Crouse * @start: The offset within the buffer to start writing 112cfc57a18SJordan Crouse * @remain: The number of bytes to write for this iteration 113cfc57a18SJordan Crouse */ 114cfc57a18SJordan Crouse struct drm_print_iterator { 115cfc57a18SJordan Crouse void *data; 116cfc57a18SJordan Crouse ssize_t start; 117cfc57a18SJordan Crouse ssize_t remain; 118cfc57a18SJordan Crouse /* private: */ 119cfc57a18SJordan Crouse ssize_t offset; 120cfc57a18SJordan Crouse }; 121cfc57a18SJordan Crouse 122cfc57a18SJordan Crouse /** 123cfc57a18SJordan Crouse * drm_coredump_printer - construct a &drm_printer that can output to a buffer 124cfc57a18SJordan Crouse * from the read function for devcoredump 125cfc57a18SJordan Crouse * @iter: A pointer to a struct drm_print_iterator for the read instance 126cfc57a18SJordan Crouse * 127cfc57a18SJordan Crouse * This wrapper extends drm_printf() to work with a dev_coredumpm() callback 128cfc57a18SJordan Crouse * function. The passed in drm_print_iterator struct contains the buffer 129cfc57a18SJordan Crouse * pointer, size and offset as passed in from devcoredump. 130cfc57a18SJordan Crouse * 131cfc57a18SJordan Crouse * For example:: 132cfc57a18SJordan Crouse * 133cfc57a18SJordan Crouse * void coredump_read(char *buffer, loff_t offset, size_t count, 134cfc57a18SJordan Crouse * void *data, size_t datalen) 135cfc57a18SJordan Crouse * { 136cfc57a18SJordan Crouse * struct drm_print_iterator iter; 137cfc57a18SJordan Crouse * struct drm_printer p; 138cfc57a18SJordan Crouse * 139cfc57a18SJordan Crouse * iter.data = buffer; 140cfc57a18SJordan Crouse * iter.start = offset; 141cfc57a18SJordan Crouse * iter.remain = count; 142cfc57a18SJordan Crouse * 143cfc57a18SJordan Crouse * p = drm_coredump_printer(&iter); 144cfc57a18SJordan Crouse * 145cfc57a18SJordan Crouse * drm_printf(p, "foo=%d\n", foo); 146cfc57a18SJordan Crouse * } 147cfc57a18SJordan Crouse * 148cfc57a18SJordan Crouse * void makecoredump(...) 149cfc57a18SJordan Crouse * { 150cfc57a18SJordan Crouse * ... 151cfc57a18SJordan Crouse * dev_coredumpm(dev, THIS_MODULE, data, 0, GFP_KERNEL, 152cfc57a18SJordan Crouse * coredump_read, ...) 153cfc57a18SJordan Crouse * } 154cfc57a18SJordan Crouse * 155cfc57a18SJordan Crouse * RETURNS: 156cfc57a18SJordan Crouse * The &drm_printer object 157cfc57a18SJordan Crouse */ 158cfc57a18SJordan Crouse static inline struct drm_printer 159cfc57a18SJordan Crouse drm_coredump_printer(struct drm_print_iterator *iter) 160cfc57a18SJordan Crouse { 161cfc57a18SJordan Crouse struct drm_printer p = { 162cfc57a18SJordan Crouse .printfn = __drm_printfn_coredump, 163cfc57a18SJordan Crouse .arg = iter, 164cfc57a18SJordan Crouse }; 165cfc57a18SJordan Crouse 166cfc57a18SJordan Crouse /* Set the internal offset of the iterator to zero */ 167cfc57a18SJordan Crouse iter->offset = 0; 168cfc57a18SJordan Crouse 169cfc57a18SJordan Crouse return p; 170cfc57a18SJordan Crouse } 171cfc57a18SJordan Crouse 172cfc57a18SJordan Crouse /** 173d8187177SRob Clark * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file 174ea0dd85aSDaniel Vetter * @f: the &struct seq_file to output to 175d8187177SRob Clark * 176d8187177SRob Clark * RETURNS: 177d8187177SRob Clark * The &drm_printer object 178d8187177SRob Clark */ 179d8187177SRob Clark static inline struct drm_printer drm_seq_file_printer(struct seq_file *f) 180d8187177SRob Clark { 181d8187177SRob Clark struct drm_printer p = { 182d8187177SRob Clark .printfn = __drm_printfn_seq_file, 183d8187177SRob Clark .arg = f, 184d8187177SRob Clark }; 185d8187177SRob Clark return p; 186d8187177SRob Clark } 187d8187177SRob Clark 188d8187177SRob Clark /** 189d8187177SRob Clark * drm_info_printer - construct a &drm_printer that outputs to dev_printk() 190ea0dd85aSDaniel Vetter * @dev: the &struct device pointer 191d8187177SRob Clark * 192d8187177SRob Clark * RETURNS: 193d8187177SRob Clark * The &drm_printer object 194d8187177SRob Clark */ 195d8187177SRob Clark static inline struct drm_printer drm_info_printer(struct device *dev) 196d8187177SRob Clark { 197d8187177SRob Clark struct drm_printer p = { 198d8187177SRob Clark .printfn = __drm_printfn_info, 199d8187177SRob Clark .arg = dev, 200d8187177SRob Clark }; 201d8187177SRob Clark return p; 202d8187177SRob Clark } 203d8187177SRob Clark 2043d387d92SDaniel Vetter /** 2053d387d92SDaniel Vetter * drm_debug_printer - construct a &drm_printer that outputs to pr_debug() 2063d387d92SDaniel Vetter * @prefix: debug output prefix 2073d387d92SDaniel Vetter * 2083d387d92SDaniel Vetter * RETURNS: 2093d387d92SDaniel Vetter * The &drm_printer object 2103d387d92SDaniel Vetter */ 2113d387d92SDaniel Vetter static inline struct drm_printer drm_debug_printer(const char *prefix) 2123d387d92SDaniel Vetter { 2133d387d92SDaniel Vetter struct drm_printer p = { 2143d387d92SDaniel Vetter .printfn = __drm_printfn_debug, 2153d387d92SDaniel Vetter .prefix = prefix 2163d387d92SDaniel Vetter }; 2173d387d92SDaniel Vetter return p; 2183d387d92SDaniel Vetter } 21902c9656bSHaneen Mohammed 22002c9656bSHaneen Mohammed /* 22102c9656bSHaneen Mohammed * The following categories are defined: 22202c9656bSHaneen Mohammed * 22302c9656bSHaneen Mohammed * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ... 22402c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG() macro. 22502c9656bSHaneen Mohammed * 22602c9656bSHaneen Mohammed * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ... 22702c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_DRIVER() macro. 22802c9656bSHaneen Mohammed * 22902c9656bSHaneen Mohammed * KMS: used in the modesetting code. 23002c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_KMS() macro. 23102c9656bSHaneen Mohammed * 23202c9656bSHaneen Mohammed * PRIME: used in the prime code. 23302c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_PRIME() macro. 23402c9656bSHaneen Mohammed * 23502c9656bSHaneen Mohammed * ATOMIC: used in the atomic code. 23602c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_ATOMIC() macro. 23702c9656bSHaneen Mohammed * 23802c9656bSHaneen Mohammed * VBL: used for verbose debug message in the vblank code 23902c9656bSHaneen Mohammed * This is the category used by the DRM_DEBUG_VBL() macro. 24002c9656bSHaneen Mohammed * 24102c9656bSHaneen Mohammed * Enabling verbose debug messages is done through the drm.debug parameter, 24202c9656bSHaneen Mohammed * each category being enabled by a bit. 24302c9656bSHaneen Mohammed * 24402c9656bSHaneen Mohammed * drm.debug=0x1 will enable CORE messages 24502c9656bSHaneen Mohammed * drm.debug=0x2 will enable DRIVER messages 24602c9656bSHaneen Mohammed * drm.debug=0x3 will enable CORE and DRIVER messages 24702c9656bSHaneen Mohammed * ... 24802c9656bSHaneen Mohammed * drm.debug=0x3f will enable all messages 24902c9656bSHaneen Mohammed * 25002c9656bSHaneen Mohammed * An interesting feature is that it's possible to enable verbose logging at 25102c9656bSHaneen Mohammed * run-time by echoing the debug value in its sysfs node: 25202c9656bSHaneen Mohammed * # echo 0xf > /sys/module/drm/parameters/debug 25302c9656bSHaneen Mohammed */ 25402c9656bSHaneen Mohammed #define DRM_UT_NONE 0x00 25502c9656bSHaneen Mohammed #define DRM_UT_CORE 0x01 25602c9656bSHaneen Mohammed #define DRM_UT_DRIVER 0x02 25702c9656bSHaneen Mohammed #define DRM_UT_KMS 0x04 25802c9656bSHaneen Mohammed #define DRM_UT_PRIME 0x08 25902c9656bSHaneen Mohammed #define DRM_UT_ATOMIC 0x10 26002c9656bSHaneen Mohammed #define DRM_UT_VBL 0x20 26102c9656bSHaneen Mohammed #define DRM_UT_STATE 0x40 26270c5f936SDaniel Vetter #define DRM_UT_LEASE 0x80 263a18b2192SLyude Paul #define DRM_UT_DP 0x100 26402c9656bSHaneen Mohammed 265db870864SJoe Perches __printf(3, 4) 26602c9656bSHaneen Mohammed void drm_dev_printk(const struct device *dev, const char *level, 267db870864SJoe Perches const char *format, ...); 268db870864SJoe Perches __printf(3, 4) 269db870864SJoe Perches void drm_dev_dbg(const struct device *dev, unsigned int category, 270db870864SJoe Perches const char *format, ...); 271db870864SJoe Perches 27299a95487SJoe Perches __printf(2, 3) 27399a95487SJoe Perches void drm_dbg(unsigned int category, const char *format, ...); 27499a95487SJoe Perches __printf(1, 2) 27599a95487SJoe Perches void drm_err(const char *format, ...); 276091756bbSHaneen Mohammed 277091756bbSHaneen Mohammed /* Macros to make printk easier */ 27802c9656bSHaneen Mohammed 27902c9656bSHaneen Mohammed #define _DRM_PRINTK(once, level, fmt, ...) \ 280db870864SJoe Perches printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__) 28102c9656bSHaneen Mohammed 28202c9656bSHaneen Mohammed #define DRM_INFO(fmt, ...) \ 28302c9656bSHaneen Mohammed _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__) 28402c9656bSHaneen Mohammed #define DRM_NOTE(fmt, ...) \ 28502c9656bSHaneen Mohammed _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__) 28602c9656bSHaneen Mohammed #define DRM_WARN(fmt, ...) \ 28702c9656bSHaneen Mohammed _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__) 28802c9656bSHaneen Mohammed 28902c9656bSHaneen Mohammed #define DRM_INFO_ONCE(fmt, ...) \ 29002c9656bSHaneen Mohammed _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__) 29102c9656bSHaneen Mohammed #define DRM_NOTE_ONCE(fmt, ...) \ 29202c9656bSHaneen Mohammed _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__) 29302c9656bSHaneen Mohammed #define DRM_WARN_ONCE(fmt, ...) \ 29402c9656bSHaneen Mohammed _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__) 29502c9656bSHaneen Mohammed 29602c9656bSHaneen Mohammed /** 29702c9656bSHaneen Mohammed * Error output. 29802c9656bSHaneen Mohammed * 299091756bbSHaneen Mohammed * @dev: device pointer 300091756bbSHaneen Mohammed * @fmt: printf() like format string. 30102c9656bSHaneen Mohammed */ 30202c9656bSHaneen Mohammed #define DRM_DEV_ERROR(dev, fmt, ...) \ 303db870864SJoe Perches drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__) 30402c9656bSHaneen Mohammed #define DRM_ERROR(fmt, ...) \ 30599a95487SJoe Perches drm_err(fmt, ##__VA_ARGS__) 30602c9656bSHaneen Mohammed 30702c9656bSHaneen Mohammed /** 30802c9656bSHaneen Mohammed * Rate limited error output. Like DRM_ERROR() but won't flood the log. 30902c9656bSHaneen Mohammed * 310091756bbSHaneen Mohammed * @dev: device pointer 311091756bbSHaneen Mohammed * @fmt: printf() like format string. 31202c9656bSHaneen Mohammed */ 31302c9656bSHaneen Mohammed #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \ 31402c9656bSHaneen Mohammed ({ \ 31502c9656bSHaneen Mohammed static DEFINE_RATELIMIT_STATE(_rs, \ 31602c9656bSHaneen Mohammed DEFAULT_RATELIMIT_INTERVAL, \ 31702c9656bSHaneen Mohammed DEFAULT_RATELIMIT_BURST); \ 31802c9656bSHaneen Mohammed \ 31902c9656bSHaneen Mohammed if (__ratelimit(&_rs)) \ 32002c9656bSHaneen Mohammed DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \ 32102c9656bSHaneen Mohammed }) 32202c9656bSHaneen Mohammed #define DRM_ERROR_RATELIMITED(fmt, ...) \ 32302c9656bSHaneen Mohammed DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 32402c9656bSHaneen Mohammed 32502c9656bSHaneen Mohammed #define DRM_DEV_INFO(dev, fmt, ...) \ 326db870864SJoe Perches drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__) 32702c9656bSHaneen Mohammed 32802c9656bSHaneen Mohammed #define DRM_DEV_INFO_ONCE(dev, fmt, ...) \ 32902c9656bSHaneen Mohammed ({ \ 33002c9656bSHaneen Mohammed static bool __print_once __read_mostly; \ 33102c9656bSHaneen Mohammed if (!__print_once) { \ 33202c9656bSHaneen Mohammed __print_once = true; \ 33302c9656bSHaneen Mohammed DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \ 33402c9656bSHaneen Mohammed } \ 33502c9656bSHaneen Mohammed }) 33602c9656bSHaneen Mohammed 33702c9656bSHaneen Mohammed /** 33802c9656bSHaneen Mohammed * Debug output. 33902c9656bSHaneen Mohammed * 340091756bbSHaneen Mohammed * @dev: device pointer 341091756bbSHaneen Mohammed * @fmt: printf() like format string. 34202c9656bSHaneen Mohammed */ 343db870864SJoe Perches #define DRM_DEV_DEBUG(dev, fmt, ...) \ 344db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__) 34502c9656bSHaneen Mohammed #define DRM_DEBUG(fmt, ...) \ 34699a95487SJoe Perches drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__) 34702c9656bSHaneen Mohammed 348db870864SJoe Perches #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \ 349db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) 35002c9656bSHaneen Mohammed #define DRM_DEBUG_DRIVER(fmt, ...) \ 35199a95487SJoe Perches drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__) 35202c9656bSHaneen Mohammed 353db870864SJoe Perches #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \ 354db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__) 35502c9656bSHaneen Mohammed #define DRM_DEBUG_KMS(fmt, ...) \ 35699a95487SJoe Perches drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__) 35702c9656bSHaneen Mohammed 358db870864SJoe Perches #define DRM_DEV_DEBUG_PRIME(dev, fmt, ...) \ 359db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_PRIME, fmt, ##__VA_ARGS__) 36002c9656bSHaneen Mohammed #define DRM_DEBUG_PRIME(fmt, ...) \ 36199a95487SJoe Perches drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__) 36202c9656bSHaneen Mohammed 363db870864SJoe Perches #define DRM_DEV_DEBUG_ATOMIC(dev, fmt, ...) \ 364db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) 36502c9656bSHaneen Mohammed #define DRM_DEBUG_ATOMIC(fmt, ...) \ 36699a95487SJoe Perches drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) 36702c9656bSHaneen Mohammed 368db870864SJoe Perches #define DRM_DEV_DEBUG_VBL(dev, fmt, ...) \ 369db870864SJoe Perches drm_dev_dbg(dev, DRM_UT_VBL, fmt, ##__VA_ARGS__) 37002c9656bSHaneen Mohammed #define DRM_DEBUG_VBL(fmt, ...) \ 37199a95487SJoe Perches drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__) 37202c9656bSHaneen Mohammed 37370c5f936SDaniel Vetter #define DRM_DEBUG_LEASE(fmt, ...) \ 37499a95487SJoe Perches drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__) 37570c5f936SDaniel Vetter 376a18b2192SLyude Paul #define DRM_DEV_DEBUG_DP(dev, fmt, ...) \ 377a18b2192SLyude Paul drm_dev_dbg(dev, DRM_UT_DP, fmt, ## __VA_ARGS__) 378a18b2192SLyude Paul #define DRM_DEBUG_DP(dev, fmt, ...) \ 379a18b2192SLyude Paul drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__) 380a18b2192SLyude Paul 381db870864SJoe Perches #define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, category, fmt, ...) \ 38202c9656bSHaneen Mohammed ({ \ 38302c9656bSHaneen Mohammed static DEFINE_RATELIMIT_STATE(_rs, \ 38402c9656bSHaneen Mohammed DEFAULT_RATELIMIT_INTERVAL, \ 38502c9656bSHaneen Mohammed DEFAULT_RATELIMIT_BURST); \ 38602c9656bSHaneen Mohammed if (__ratelimit(&_rs)) \ 387db870864SJoe Perches drm_dev_dbg(dev, category, fmt, ##__VA_ARGS__); \ 38802c9656bSHaneen Mohammed }) 38902c9656bSHaneen Mohammed 39002c9656bSHaneen Mohammed /** 39102c9656bSHaneen Mohammed * Rate limited debug output. Like DRM_DEBUG() but won't flood the log. 39202c9656bSHaneen Mohammed * 393091756bbSHaneen Mohammed * @dev: device pointer 394091756bbSHaneen Mohammed * @fmt: printf() like format string. 39502c9656bSHaneen Mohammed */ 396db870864SJoe Perches #define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, ...) \ 397db870864SJoe Perches _DEV_DRM_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_CORE, \ 398db870864SJoe Perches fmt, ##__VA_ARGS__) 399db870864SJoe Perches #define DRM_DEBUG_RATELIMITED(fmt, ...) \ 400db870864SJoe Perches DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 401db870864SJoe Perches 402db870864SJoe Perches #define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, ...) \ 403db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_DRIVER, \ 404db870864SJoe Perches fmt, ##__VA_ARGS__) 405db870864SJoe Perches #define DRM_DEBUG_DRIVER_RATELIMITED(fmt, ...) \ 406db870864SJoe Perches DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 407db870864SJoe Perches 408db870864SJoe Perches #define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, ...) \ 409db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_KMS, \ 410db870864SJoe Perches fmt, ##__VA_ARGS__) 411db870864SJoe Perches #define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) \ 412db870864SJoe Perches DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 413db870864SJoe Perches 414db870864SJoe Perches #define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, ...) \ 415db870864SJoe Perches _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRM_UT_PRIME, \ 416db870864SJoe Perches fmt, ##__VA_ARGS__) 417db870864SJoe Perches #define DRM_DEBUG_PRIME_RATELIMITED(fmt, ...) \ 418db870864SJoe Perches DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##__VA_ARGS__) 41902c9656bSHaneen Mohammed 420d8187177SRob Clark #endif /* DRM_PRINT_H_ */ 421