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- /*
- * Copyright (C) 2016 Red Hat
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rob Clark <[email protected]>
- */
- #ifndef DRM_PRINT_H_
- #define DRM_PRINT_H_
- #include <linux/compiler.h>
- #include <linux/printk.h>
- #include <linux/seq_file.h>
- #include <linux/device.h>
- #include <linux/debugfs.h>
- #include <linux/dynamic_debug.h>
- #include <drm/drm.h>
- /* Do *not* use outside of drm_print.[ch]! */
- extern unsigned long __drm_debug;
- /**
- * DOC: print
- *
- * A simple wrapper for dev_printk(), seq_printf(), etc. Allows same
- * debug code to be used for both debugfs and printk logging.
- *
- * For example::
- *
- * void log_some_info(struct drm_printer *p)
- * {
- * drm_printf(p, "foo=%d\n", foo);
- * drm_printf(p, "bar=%d\n", bar);
- * }
- *
- * #ifdef CONFIG_DEBUG_FS
- * void debugfs_show(struct seq_file *f)
- * {
- * struct drm_printer p = drm_seq_file_printer(f);
- * log_some_info(&p);
- * }
- * #endif
- *
- * void some_other_function(...)
- * {
- * struct drm_printer p = drm_info_printer(drm->dev);
- * log_some_info(&p);
- * }
- */
- /**
- * struct drm_printer - drm output "stream"
- *
- * Do not use struct members directly. Use drm_printer_seq_file(),
- * drm_printer_info(), etc to initialize. And drm_printf() for output.
- */
- struct drm_printer {
- /* private: */
- void (*printfn)(struct drm_printer *p, struct va_format *vaf);
- void (*puts)(struct drm_printer *p, const char *str);
- void *arg;
- const char *prefix;
- };
- void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf);
- void __drm_puts_coredump(struct drm_printer *p, const char *str);
- void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf);
- void __drm_puts_seq_file(struct drm_printer *p, const char *str);
- void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf);
- void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
- void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf);
- __printf(2, 3)
- void drm_printf(struct drm_printer *p, const char *f, ...);
- void drm_puts(struct drm_printer *p, const char *str);
- void drm_print_regset32(struct drm_printer *p, struct debugfs_regset32 *regset);
- void drm_print_bits(struct drm_printer *p, unsigned long value,
- const char * const bits[], unsigned int nbits);
- __printf(2, 0)
- /**
- * drm_vprintf - print to a &drm_printer stream
- * @p: the &drm_printer
- * @fmt: format string
- * @va: the va_list
- */
- static inline void
- drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
- {
- struct va_format vaf = { .fmt = fmt, .va = va };
- p->printfn(p, &vaf);
- }
- /**
- * drm_printf_indent - Print to a &drm_printer stream with indentation
- * @printer: DRM printer
- * @indent: Tab indentation level (max 5)
- * @fmt: Format string
- */
- #define drm_printf_indent(printer, indent, fmt, ...) \
- drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__)
- /**
- * struct drm_print_iterator - local struct used with drm_printer_coredump
- * @data: Pointer to the devcoredump output buffer
- * @start: The offset within the buffer to start writing
- * @remain: The number of bytes to write for this iteration
- */
- struct drm_print_iterator {
- void *data;
- ssize_t start;
- ssize_t remain;
- /* private: */
- ssize_t offset;
- };
- /**
- * drm_coredump_printer - construct a &drm_printer that can output to a buffer
- * from the read function for devcoredump
- * @iter: A pointer to a struct drm_print_iterator for the read instance
- *
- * This wrapper extends drm_printf() to work with a dev_coredumpm() callback
- * function. The passed in drm_print_iterator struct contains the buffer
- * pointer, size and offset as passed in from devcoredump.
- *
- * For example::
- *
- * void coredump_read(char *buffer, loff_t offset, size_t count,
- * void *data, size_t datalen)
- * {
- * struct drm_print_iterator iter;
- * struct drm_printer p;
- *
- * iter.data = buffer;
- * iter.start = offset;
- * iter.remain = count;
- *
- * p = drm_coredump_printer(&iter);
- *
- * drm_printf(p, "foo=%d\n", foo);
- * }
- *
- * void makecoredump(...)
- * {
- * ...
- * dev_coredumpm(dev, THIS_MODULE, data, 0, GFP_KERNEL,
- * coredump_read, ...)
- * }
- *
- * RETURNS:
- * The &drm_printer object
- */
- static inline struct drm_printer
- drm_coredump_printer(struct drm_print_iterator *iter)
- {
- struct drm_printer p = {
- .printfn = __drm_printfn_coredump,
- .puts = __drm_puts_coredump,
- .arg = iter,
- };
- /* Set the internal offset of the iterator to zero */
- iter->offset = 0;
- return p;
- }
- /**
- * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file
- * @f: the &struct seq_file to output to
- *
- * RETURNS:
- * The &drm_printer object
- */
- static inline struct drm_printer drm_seq_file_printer(struct seq_file *f)
- {
- struct drm_printer p = {
- .printfn = __drm_printfn_seq_file,
- .puts = __drm_puts_seq_file,
- .arg = f,
- };
- return p;
- }
- /**
- * drm_info_printer - construct a &drm_printer that outputs to dev_printk()
- * @dev: the &struct device pointer
- *
- * RETURNS:
- * The &drm_printer object
- */
- static inline struct drm_printer drm_info_printer(struct device *dev)
- {
- struct drm_printer p = {
- .printfn = __drm_printfn_info,
- .arg = dev,
- };
- return p;
- }
- /**
- * drm_debug_printer - construct a &drm_printer that outputs to pr_debug()
- * @prefix: debug output prefix
- *
- * RETURNS:
- * The &drm_printer object
- */
- static inline struct drm_printer drm_debug_printer(const char *prefix)
- {
- struct drm_printer p = {
- .printfn = __drm_printfn_debug,
- .prefix = prefix
- };
- return p;
- }
- /**
- * drm_err_printer - construct a &drm_printer that outputs to pr_err()
- * @prefix: debug output prefix
- *
- * RETURNS:
- * The &drm_printer object
- */
- static inline struct drm_printer drm_err_printer(const char *prefix)
- {
- struct drm_printer p = {
- .printfn = __drm_printfn_err,
- .prefix = prefix
- };
- return p;
- }
- /**
- * enum drm_debug_category - The DRM debug categories
- *
- * Each of the DRM debug logging macros use a specific category, and the logging
- * is filtered by the drm.debug module parameter. This enum specifies the values
- * for the interface.
- *
- * Each DRM_DEBUG_<CATEGORY> macro logs to DRM_UT_<CATEGORY> category, except
- * DRM_DEBUG() logs to DRM_UT_CORE.
- *
- * Enabling verbose debug messages is done through the drm.debug parameter, each
- * category being enabled by a bit:
- *
- * - drm.debug=0x1 will enable CORE messages
- * - drm.debug=0x2 will enable DRIVER messages
- * - drm.debug=0x3 will enable CORE and DRIVER messages
- * - ...
- * - drm.debug=0x1ff will enable all messages
- *
- * An interesting feature is that it's possible to enable verbose logging at
- * run-time by echoing the debug value in its sysfs node::
- *
- * # echo 0xf > /sys/module/drm/parameters/debug
- *
- */
- enum drm_debug_category {
- /* These names must match those in DYNAMIC_DEBUG_CLASSBITS */
- /**
- * @DRM_UT_CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c,
- * drm_memory.c, ...
- */
- DRM_UT_CORE,
- /**
- * @DRM_UT_DRIVER: Used in the vendor specific part of the driver: i915,
- * radeon, ... macro.
- */
- DRM_UT_DRIVER,
- /**
- * @DRM_UT_KMS: Used in the modesetting code.
- */
- DRM_UT_KMS,
- /**
- * @DRM_UT_PRIME: Used in the prime code.
- */
- DRM_UT_PRIME,
- /**
- * @DRM_UT_ATOMIC: Used in the atomic code.
- */
- DRM_UT_ATOMIC,
- /**
- * @DRM_UT_VBL: Used for verbose debug message in the vblank code.
- */
- DRM_UT_VBL,
- /**
- * @DRM_UT_STATE: Used for verbose atomic state debugging.
- */
- DRM_UT_STATE,
- /**
- * @DRM_UT_LEASE: Used in the lease code.
- */
- DRM_UT_LEASE,
- /**
- * @DRM_UT_DP: Used in the DP code.
- */
- DRM_UT_DP,
- /**
- * @DRM_UT_DRMRES: Used in the drm managed resources code.
- */
- DRM_UT_DRMRES
- };
- static inline bool drm_debug_enabled_raw(enum drm_debug_category category)
- {
- return unlikely(__drm_debug & BIT(category));
- }
- #define drm_debug_enabled_instrumented(category) \
- ({ \
- pr_debug("todo: is this frequent enough to optimize ?\n"); \
- drm_debug_enabled_raw(category); \
- })
- #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
- /*
- * the drm.debug API uses dyndbg, so each drm_*dbg macro/callsite gets
- * a descriptor, and only enabled callsites are reachable. They use
- * the private macro to avoid re-testing the enable-bit.
- */
- #define __drm_debug_enabled(category) true
- #define drm_debug_enabled(category) drm_debug_enabled_instrumented(category)
- #else
- #define __drm_debug_enabled(category) drm_debug_enabled_raw(category)
- #define drm_debug_enabled(category) drm_debug_enabled_raw(category)
- #endif
- /*
- * struct device based logging
- *
- * Prefer drm_device based logging over device or printk based logging.
- */
- __printf(3, 4)
- void drm_dev_printk(const struct device *dev, const char *level,
- const char *format, ...);
- struct _ddebug;
- __printf(4, 5)
- void __drm_dev_dbg(struct _ddebug *desc, const struct device *dev,
- enum drm_debug_category category, const char *format, ...);
- /**
- * DRM_DEV_ERROR() - Error output.
- *
- * NOTE: this is deprecated in favor of drm_err() or dev_err().
- *
- * @dev: device pointer
- * @fmt: printf() like format string.
- */
- #define DRM_DEV_ERROR(dev, fmt, ...) \
- drm_dev_printk(dev, KERN_ERR, "*ERROR* " fmt, ##__VA_ARGS__)
- /**
- * DRM_DEV_ERROR_RATELIMITED() - Rate limited error output.
- *
- * NOTE: this is deprecated in favor of drm_err_ratelimited() or
- * dev_err_ratelimited().
- *
- * @dev: device pointer
- * @fmt: printf() like format string.
- *
- * Like DRM_ERROR() but won't flood the log.
- */
- #define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
- ({ \
- static DEFINE_RATELIMIT_STATE(_rs, \
- DEFAULT_RATELIMIT_INTERVAL, \
- DEFAULT_RATELIMIT_BURST); \
- \
- if (__ratelimit(&_rs)) \
- DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
- })
- /* NOTE: this is deprecated in favor of drm_info() or dev_info(). */
- #define DRM_DEV_INFO(dev, fmt, ...) \
- drm_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_info_once() or dev_info_once(). */
- #define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
- ({ \
- static bool __print_once __read_mostly; \
- if (!__print_once) { \
- __print_once = true; \
- DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
- } \
- })
- #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
- #define drm_dev_dbg(dev, cat, fmt, ...) \
- __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__)
- #else
- #define drm_dev_dbg(dev, cat, fmt, ...) \
- _dynamic_func_call_cls(cat, fmt, __drm_dev_dbg, \
- dev, cat, fmt, ##__VA_ARGS__)
- #endif
- /**
- * DRM_DEV_DEBUG() - Debug output for generic drm code
- *
- * NOTE: this is deprecated in favor of drm_dbg_core().
- *
- * @dev: device pointer
- * @fmt: printf() like format string.
- */
- #define DRM_DEV_DEBUG(dev, fmt, ...) \
- drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__)
- /**
- * DRM_DEV_DEBUG_DRIVER() - Debug output for vendor specific part of the driver
- *
- * NOTE: this is deprecated in favor of drm_dbg() or dev_dbg().
- *
- * @dev: device pointer
- * @fmt: printf() like format string.
- */
- #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...) \
- drm_dev_dbg(dev, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
- /**
- * DRM_DEV_DEBUG_KMS() - Debug output for modesetting code
- *
- * NOTE: this is deprecated in favor of drm_dbg_kms().
- *
- * @dev: device pointer
- * @fmt: printf() like format string.
- */
- #define DRM_DEV_DEBUG_KMS(dev, fmt, ...) \
- drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__)
- /*
- * struct drm_device based logging
- *
- * Prefer drm_device based logging over device or prink based logging.
- */
- /* Helper for struct drm_device based logging. */
- #define __drm_printk(drm, level, type, fmt, ...) \
- dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
- #define drm_info(drm, fmt, ...) \
- __drm_printk((drm), info,, fmt, ##__VA_ARGS__)
- #define drm_notice(drm, fmt, ...) \
- __drm_printk((drm), notice,, fmt, ##__VA_ARGS__)
- #define drm_warn(drm, fmt, ...) \
- __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
- #define drm_err(drm, fmt, ...) \
- __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__)
- #define drm_info_once(drm, fmt, ...) \
- __drm_printk((drm), info, _once, fmt, ##__VA_ARGS__)
- #define drm_notice_once(drm, fmt, ...) \
- __drm_printk((drm), notice, _once, fmt, ##__VA_ARGS__)
- #define drm_warn_once(drm, fmt, ...) \
- __drm_printk((drm), warn, _once, fmt, ##__VA_ARGS__)
- #define drm_err_once(drm, fmt, ...) \
- __drm_printk((drm), err, _once, "*ERROR* " fmt, ##__VA_ARGS__)
- #define drm_err_ratelimited(drm, fmt, ...) \
- __drm_printk((drm), err, _ratelimited, "*ERROR* " fmt, ##__VA_ARGS__)
- #define drm_dbg_core(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_CORE, fmt, ##__VA_ARGS__)
- #define drm_dbg_driver(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
- #define drm_dbg_kms(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_KMS, fmt, ##__VA_ARGS__)
- #define drm_dbg_prime(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
- #define drm_dbg_atomic(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
- #define drm_dbg_vbl(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_VBL, fmt, ##__VA_ARGS__)
- #define drm_dbg_state(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_STATE, fmt, ##__VA_ARGS__)
- #define drm_dbg_lease(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
- #define drm_dbg_dp(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DP, fmt, ##__VA_ARGS__)
- #define drm_dbg_drmres(drm, fmt, ...) \
- drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRMRES, fmt, ##__VA_ARGS__)
- #define drm_dbg(drm, fmt, ...) drm_dbg_driver(drm, fmt, ##__VA_ARGS__)
- /*
- * printk based logging
- *
- * Prefer drm_device based logging over device or prink based logging.
- */
- __printf(3, 4)
- void ___drm_dbg(struct _ddebug *desc, enum drm_debug_category category, const char *format, ...);
- __printf(1, 2)
- void __drm_err(const char *format, ...);
- #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG)
- #define __drm_dbg(cat, fmt, ...) ___drm_dbg(NULL, cat, fmt, ##__VA_ARGS__)
- #else
- #define __drm_dbg(cat, fmt, ...) \
- _dynamic_func_call_cls(cat, fmt, ___drm_dbg, \
- cat, fmt, ##__VA_ARGS__)
- #endif
- /* Macros to make printk easier */
- #define _DRM_PRINTK(once, level, fmt, ...) \
- printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_info(). */
- #define DRM_INFO(fmt, ...) \
- _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_notice(). */
- #define DRM_NOTE(fmt, ...) \
- _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_warn(). */
- #define DRM_WARN(fmt, ...) \
- _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_info_once(). */
- #define DRM_INFO_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_notice_once(). */
- #define DRM_NOTE_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_warn_once(). */
- #define DRM_WARN_ONCE(fmt, ...) \
- _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_err(). */
- #define DRM_ERROR(fmt, ...) \
- __drm_err(fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of pr_err_ratelimited(). */
- #define DRM_ERROR_RATELIMITED(fmt, ...) \
- DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_core(NULL, ...). */
- #define DRM_DEBUG(fmt, ...) \
- __drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg(NULL, ...). */
- #define DRM_DEBUG_DRIVER(fmt, ...) \
- __drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_kms(NULL, ...). */
- #define DRM_DEBUG_KMS(fmt, ...) \
- __drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_prime(NULL, ...). */
- #define DRM_DEBUG_PRIME(fmt, ...) \
- __drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_atomic(NULL, ...). */
- #define DRM_DEBUG_ATOMIC(fmt, ...) \
- __drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_vbl(NULL, ...). */
- #define DRM_DEBUG_VBL(fmt, ...) \
- __drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_lease(NULL, ...). */
- #define DRM_DEBUG_LEASE(fmt, ...) \
- __drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_dp(NULL, ...). */
- #define DRM_DEBUG_DP(fmt, ...) \
- __drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__)
- #define __DRM_DEFINE_DBG_RATELIMITED(category, drm, fmt, ...) \
- ({ \
- static DEFINE_RATELIMIT_STATE(rs_, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);\
- const struct drm_device *drm_ = (drm); \
- \
- if (drm_debug_enabled(DRM_UT_ ## category) && __ratelimit(&rs_)) \
- drm_dev_printk(drm_ ? drm_->dev : NULL, KERN_DEBUG, fmt, ## __VA_ARGS__); \
- })
- #define drm_dbg_kms_ratelimited(drm, fmt, ...) \
- __DRM_DEFINE_DBG_RATELIMITED(KMS, drm, fmt, ## __VA_ARGS__)
- /* NOTE: this is deprecated in favor of drm_dbg_kms_ratelimited(NULL, ...). */
- #define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) drm_dbg_kms_ratelimited(NULL, fmt, ## __VA_ARGS__)
- /*
- * struct drm_device based WARNs
- *
- * drm_WARN*() acts like WARN*(), but with the key difference of
- * using device specific information so that we know from which device
- * warning is originating from.
- *
- * Prefer drm_device based drm_WARN* over regular WARN*
- */
- /* Helper for struct drm_device based WARNs */
- #define drm_WARN(drm, condition, format, arg...) \
- WARN(condition, "%s %s: " format, \
- dev_driver_string((drm)->dev), \
- dev_name((drm)->dev), ## arg)
- #define drm_WARN_ONCE(drm, condition, format, arg...) \
- WARN_ONCE(condition, "%s %s: " format, \
- dev_driver_string((drm)->dev), \
- dev_name((drm)->dev), ## arg)
- #define drm_WARN_ON(drm, x) \
- drm_WARN((drm), (x), "%s", \
- "drm_WARN_ON(" __stringify(x) ")")
- #define drm_WARN_ON_ONCE(drm, x) \
- drm_WARN_ONCE((drm), (x), "%s", \
- "drm_WARN_ON_ONCE(" __stringify(x) ")")
- #endif /* DRM_PRINT_H_ */
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