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drm/amd/display: Add customizable tracing event

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[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@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chiawen Huang
2018-11-09 11:44:38 +08:00
committed by Alex Deucher
parent 1cc9f371fa
commit 6de89f79ea
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/dc/dm_event_log.h
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@@ -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