[PATCH 4/5] drm/komeda: Add option to print WARN- and INFO-level IRQ events

From: Mihail Atanassov
Date: Mon Oct 21 2019 - 12:49:35 EST


Extra detail (normally off) almost never hurts.

Signed-off-by: Mihail Atanassov <mihail.atanassov@xxxxxxx>
---
drivers/gpu/drm/arm/display/komeda/komeda_dev.h | 11 +++++++++++
drivers/gpu/drm/arm/display/komeda/komeda_event.c | 4 ++++
2 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
index 4809000c1efb..d9fc9c48859a 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
+++ b/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)
};
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_event.c b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
index 5da61e7d75d5..bf88463bb4d9 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_event.c
+++ b/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];
--
2.23.0