[CI 14/21] drm/printer: Add drm_vprintf()

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Simple va_args equivalent to the existing drm_printf() for use with the
drm_printer.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Rob Clark <robdclark@xxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/drm_print.c |  5 +----
 include/drm/drm_print.h     | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 82ff327eb2df..781518fd88e3 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
  */
 void drm_printf(struct drm_printer *p, const char *f, ...)
 {
-	struct va_format vaf;
 	va_list args;
 
 	va_start(args, f);
-	vaf.fmt = f;
-	vaf.va = &args;
-	p->printfn(p, &vaf);
+	drm_vprintf(p, f, &args);
 	va_end(args);
 }
 EXPORT_SYMBOL(drm_printf);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 0968e411f562..e04d99cdc8d2 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 
+/*
+ * drm_vprintf - print to a &drm_printer stream
+ * @p: the &drm_printer
+ * @f: format string
+ * @args: the va_list
+ */
+__printf(2, 0)
+static inline void
+drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
+{
+	struct va_format vaf = { .fmt = fmt, .va = va };
+
+	p->printfn(p, &vaf);
+}
+
 /**
  * drm_printf_indent - Print to a &drm_printer stream with indentation
  * @printer: DRM printer
-- 
2.15.0

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