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authorLuben Tuikov <ltuikov89@gmail.com>2023-11-10 03:11:46 +0300
committerLuben Tuikov <ltuikov89@gmail.com>2023-11-10 04:18:21 +0300
commit36245bd02e88e68ac5955c2958c968879d7b75a9 (patch)
tree641381cc2598b0b7d864c654757e9662247ca0d7 /include/drm
parent4d53cf81479500d7af787fe6bc881c24ec31f005 (diff)
downloadlinux-36245bd02e88e68ac5955c2958c968879d7b75a9.tar.xz
drm/sched: Define pr_fmt() for DRM using pr_*()
Define pr_fmt() as "[drm] " for DRM code using pr_*() facilities, especially when no devices are available. This makes it easier to browse kernel logs. Signed-off-by: Luben Tuikov <ltuikov89@gmail.com> Acked-by: Danilo Krummrich <dakr@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231110002659.113208-2-ltuikov89@gmail.com
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_print.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index a93a387f8a1a..e8fe60d0eb87 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -26,6 +26,20 @@
#ifndef DRM_PRINT_H_
#define DRM_PRINT_H_
+/* Define this before including linux/printk.h, so that the format
+ * string in pr_*() macros is correctly set for DRM. If a file wants
+ * to define this to something else, it should do so before including
+ * this header file.
+ *
+ * It is encouraged code using pr_err() to prefix their format with
+ * the string "*ERROR* ", to make it easier to scan kernel logs. For
+ * instance,
+ * pr_err("*ERROR* <the rest of your format string here>", args).
+ */
+#ifndef pr_fmt
+#define pr_fmt(fmt) "[drm] " fmt
+#endif
+
#include <linux/compiler.h>
#include <linux/printk.h>
#include <linux/seq_file.h>