diff options
Diffstat (limited to 'include/drm/drm_print.h')
| -rw-r--r-- | include/drm/drm_print.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index a5d6f2f3e430..5b8049992c24 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -34,6 +34,8 @@ #include <drm/drm.h> +extern unsigned int drm_debug; + /** * DOC: print * @@ -83,11 +85,14 @@ 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) /** @@ -227,6 +232,22 @@ static inline struct drm_printer drm_debug_printer(const char *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; +} + /* * The following categories are defined: * @@ -272,6 +293,11 @@ static inline struct drm_printer drm_debug_printer(const char *prefix) #define DRM_UT_LEASE 0x80 #define DRM_UT_DP 0x100 +static inline bool drm_debug_enabled(unsigned int category) +{ + return unlikely(drm_debug & category); +} + __printf(3, 4) void drm_dev_printk(const struct device *dev, const char *level, const char *format, ...); |