drm/komeda: add rate limiting disable to err_verbosity

It's possible to get multiple events in a single frame/flip, so add an
option to print them all.

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/20191107114155.54307-6-mihail.atanassov@arm.com

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
index d9fc9c48859a7261e4b2203c0d587c34489242f6..15f52e304c08a7c5ce3cfd5961bd632b5183f0a9 100644 (file)
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
@@ -224,6 +224,8 @@ struct komeda_dev {
 #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)
+       /* Disable rate limiting of event prints (normally one per commit) */
+#define KOMEDA_DEV_PRINT_DISABLE_RATELIMIT BIT(12)
 };
 
 static inline bool

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_event.c b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
index 7fd624761a2b0e0bd314424be2e36156c5bbc607..bf269683f81145130394be1fbe82e4794ed1aa3d 100644 (file)
--- a/drivers/gpu/drm/arm/display/komeda/komeda_event.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
@@ -119,7 +119,7 @@ void komeda_print_events(struct komeda_events *evts, struct drm_device *dev)
        /* reduce the same msg print, only print the first evt for one frame */
        if (evts->global || is_new_frame(evts))
                en_print = true;
-       if (!en_print)
+       if (!(err_verbosity & KOMEDA_DEV_PRINT_DISABLE_RATELIMIT) && !en_print)
                return;
 
        if (err_verbosity & KOMEDA_DEV_PRINT_ERR_EVENTS)