drm/komeda: Add option to print WARN- and INFO-level IRQ events

Extra detail (normally off) almost never hurts.
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107114155.54307-5-mihail.atanassov@arm.com

drivers/gpu/drm/arm/display/komeda/komeda_dev.h

@@ -51,6 +51,13 @@
 
 #define KOMEDA_WARN_EVENTS	KOMEDA_ERR_CSCE
 
+#define KOMEDA_INFO_EVENTS ({0 \
+			    | KOMEDA_EVENT_VSYNC \
+			    | KOMEDA_EVENT_FLIP \
+			    | KOMEDA_EVENT_EOW \
+			    | KOMEDA_EVENT_MODE \
+			    })
+
 /* malidp device id */
 enum {
 	MALI_D71 = 0,
@@ -211,6 +218,10 @@ struct komeda_dev {
 	u16 err_verbosity;
 	/* Print a single line per error per frame with error events. */
 #define KOMEDA_DEV_PRINT_ERR_EVENTS BIT(0)
+	/* Print a single line per warning per frame with error events. */
+#define KOMEDA_DEV_PRINT_WARN_EVENTS BIT(1)
+	/* Print a single line per info event per frame with error events. */
+#define KOMEDA_DEV_PRINT_INFO_EVENTS BIT(2)
 	/* Dump DRM state on an error or warning event. */
 #define KOMEDA_DEV_PRINT_DUMP_STATE_ON_EVENT BIT(8)
 };

drivers/gpu/drm/arm/display/komeda/komeda_event.c

@@ -124,6 +124,10 @@ void komeda_print_events(struct komeda_events *evts, struct drm_device *dev)
 
 	if (err_verbosity & KOMEDA_DEV_PRINT_ERR_EVENTS)
 		print_evts |= KOMEDA_ERR_EVENTS;
+	if (err_verbosity & KOMEDA_DEV_PRINT_WARN_EVENTS)
+		print_evts |= KOMEDA_WARN_EVENTS;
+	if (err_verbosity & KOMEDA_DEV_PRINT_INFO_EVENTS)
+		print_evts |= KOMEDA_INFO_EVENTS;
 
 	if (evts_mask & print_evts) {
 		char msg[256];