On Tue, 2022-05-10 at 21:33 +0300, Jouni Högander wrote:
Add drm_debug_once* macros to allow printing out one time debug messages which can be still controlled via drm.debug parameter.
Reviewed-by: José Roberto de Souza jose.souza@intel.com
Cc: José Roberto de Souza jose.souza@intel.com Cc: Mika Kahola mika.kahola@intel.com Cc: Mark Pearson markpearson@lenovo.com Signed-off-by: Jouni Högander jouni.hogander@intel.com
include/drm/drm_print.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index 22fabdeed297..e339f47eeb6d 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -476,6 +476,35 @@ void drm_dev_dbg(const struct device *dev, enum drm_debug_category category, #define drm_dbg_drmres(drm, fmt, ...) \ drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRMRES, fmt, ##__VA_ARGS__)
+#define drm_dev_dbg_once(dev, cat, fmt, ...) \ +({ \
- static bool __print_once __read_mostly; \
- if (!__print_once) { \
__print_once = true; \drm_dev_dbg(dev, cat, fmt, ##__VA_ARGS__); \- } \
+})
+#define drm_dbg_once_core(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_CORE, fmt, ##__VA_ARGS__)
+#define drm_dbg_once(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_kms(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_KMS, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_prime(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_atomic(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_vbl(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_VBL, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_state(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_STATE, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_lease(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_dp(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_DP, fmt, ##__VA_ARGS__)
+#define drm_dbg_once_drmres(drm, fmt, ...) \
- drm_dev_dbg_once((drm) ? (drm)->dev : NULL, DRM_UT_DRMRES, fmt, ##__VA_ARGS__)
/*
- printk based logging