drm/print: Improve drm_dbg_printer

With recent introduction of a generic drm dev printk function, we
can now store and use location where drm_dbg_printer was invoked
and output it's symbolic name like we do for all drm debug prints.

Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517163406.2348-3-michal.wajdeczko@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 679a2086fbea..5d9dff5149c9 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -175,6 +175,7 @@ struct drm_printer {
 	void (*printfn)(struct drm_printer *p, struct va_format *vaf);
 	void (*puts)(struct drm_printer *p, const char *str);
 	void *arg;
+	const void *origin;
 	const char *prefix;
 	enum drm_debug_category category;
 };
@@ -332,6 +333,7 @@ static inline struct drm_printer drm_dbg_printer(struct drm_device *drm,
 	struct drm_printer p = {
 		.printfn = __drm_printfn_dbg,
 		.arg = drm,
+		.origin = (const void *)_THIS_IP_, /* it's fine as we will be inlined */
 		.prefix = prefix,
 		.category = category,
 	};