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authorLyude Paul <lyude@redhat.com>2019-09-03 22:45:43 +0200
committerLyude Paul <lyude@redhat.com>2019-09-04 01:29:02 +0200
commit0de54fb2d02b1f1d604db57b12341c53f07cbaf4 (patch)
tree82691002045145fe5a52c1b5fd97176027677eea /include/drm/drm_print.h
parentdrm/dp_mst: Move test_calc_pbn_mode() into an actual selftest (diff)
downloadlinux-0de54fb2d02b1f1d604db57b12341c53f07cbaf4.tar.xz
linux-0de54fb2d02b1f1d604db57b12341c53f07cbaf4.zip
drm/print: Add drm_err_printer()
A simple convienence function that returns a drm_printer which prints using pr_err() Changes since v1: * Make __drm_printfn_err() more consistent with DRM_ERROR() - danvet Cc: Juston Li <juston.li@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Harry Wentland <hwentlan@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Lyude Paul <lyude@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190903204645.25487-6-lyude@redhat.com
Diffstat (limited to 'include/drm/drm_print.h')
-rw-r--r--include/drm/drm_print.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index a5d6f2f3e430..112165d3195d 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -83,6 +83,7 @@ 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);
+void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf);
__printf(2, 3)
void drm_printf(struct drm_printer *p, const char *f, ...);
@@ -227,6 +228,22 @@ static inline struct drm_printer drm_debug_printer(const char *prefix)
return p;
}
+/**
+ * drm_err_printer - construct a &drm_printer that outputs to pr_err()
+ * @prefix: debug output prefix
+ *
+ * RETURNS:
+ * The &drm_printer object
+ */
+static inline struct drm_printer drm_err_printer(const char *prefix)
+{
+ struct drm_printer p = {
+ .printfn = __drm_printfn_err,
+ .prefix = prefix
+ };
+ return p;
+}
+
/*
* The following categories are defined:
*