[04/13] drm: Add puts function for the seq_file printer

Commit Message

Jordan Crouse June 29, 2018, 4:56 p.m. UTC

Add support for drm_puts() to use seq_puts() to help speed up
up print time for constant strings.

Signed-off-by: Jordan Crouse <[e-mail]>
---
 drivers/gpu/drm/drm_print.c | 6 ++++++
 include/drm/drm_print.h     | 2 ++
 2 files changed, 8 insertions(+)

Patch

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 8fd489248a50..bef8f0ec5d73 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -104,6 +104,12 @@  void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf)
 }
 EXPORT_SYMBOL(__drm_printfn_coredump);
 
+void __drm_puts_seq_file(struct drm_printer *p, const char *str)
+{
+	seq_puts(p->arg, str);
+}
+EXPORT_SYMBOL(__drm_puts_seq_file);
+
 void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf)
 {
 	seq_printf(p->arg, "%pV", vaf);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index b16f4ecaa984..3bc6ba4b7b2c 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -76,6 +76,7 @@  struct drm_printer {
 
 void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf);
 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);
 
@@ -144,6 +145,7 @@  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;