From: Jordan Crouse <jcrouse@codeaurora.org>
Date: Tue, 24 Jul 2018 10:33:22 -0600
Subject: drm: Add a -puts() function for the seq_file printer
Git-commit: 4538d7324507fed892a18b79ad72c8501b6e7027
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Add a puts() function to use seq_puts() to help speed up
up print time for constant strings.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/drm_print.c |    6 ++++++
 include/drm/drm_print.h     |    2 ++
 2 files changed, 8 insertions(+)

--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -104,6 +104,12 @@ void __drm_printfn_coredump(struct drm_p
 }
 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);
--- 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);
 
@@ -182,6 +183,7 @@ static inline struct drm_printer drm_seq
 {
 	struct drm_printer p = {
 		.printfn = __drm_printfn_seq_file,
+		.puts = __drm_puts_seq_file,
 		.arg = f,
 	};
 	return p;