Commit b2abb053 authored by Wyatt Wood's avatar Wyatt Wood Committed by Alex Deucher
Browse files

drm/amd/display: Add ETW logging for AUX failures 



[Why]
Would like to identify the cause of AUX transactions failing
via ETW logs.

[How]
Add ETW logging for AUX failures.

Reviewed-by: default avatarPavic Josip <Josip.Pavic@amd.com>
Acked-by: default avatarSolomon Chiu <solomon.chiu@amd.com>
Signed-off-by: default avatarWyatt Wood <wyatt.wood@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent af1f2b19

drivers/gpu/drm/amd/display/dc/dce/dce_aux.c

+8 −0
Original line number Diff line number Diff line
@@ -71,6 +71,8 @@ enum { 
#define DEFAULT_AUX_ENGINE_MULT   0

#define DEFAULT_AUX_ENGINE_LENGTH 69



#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */



static void release_engine(

	struct dce_aux *engine)

{
@@ -743,5 +745,11 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, 
fail:

	if (!payload_reply)

		payload->reply = NULL;



	DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_ERROR,

				WPP_BIT_FLAG_DC_ERROR,

				"AUX transaction failed. Result: %d",

				operation_result);



	return false;

}