[PATCH 11/16] drm/amd/display: Add customizable tracing event

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From: Chiawen Huang <chiawen.huang@xxxxxxx>

[why]
add customizable log with a message input, which is for adding
test log in debugging as printf function in ETW.

[Usage]
EVENT_LOG_CUST_MSG1("TestLog","Hello World %d=0x%x", 123, pDC);

Signed-off-by: Chiawen Huang <chiawen.huang@xxxxxxx>
Reviewed-by: Tony Cheng <Tony.Cheng@xxxxxxx>
Acked-by: Leo Li <sunpeng.li@xxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/dm_event_log.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dm_event_log.h b/drivers/gpu/drm/amd/display/dc/dm_event_log.h
index 34a701c..65663f4 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_event_log.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_event_log.h
@@ -33,6 +33,7 @@
 
 #define EVENT_LOG_AUX_REQ(ddc, type, action, address, len, data)
 #define EVENT_LOG_AUX_REP(ddc, type, replyStatus, len, data)
+#define EVENT_LOG_CUST_MSG(tag, a, ...)
 
 #endif
 
-- 
2.7.4

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