drm/amd/dc: Kill dc_conn_log_hex_linux()

DRM already supports tracing DPCD transactions, there's no reason for
the existence of this function. Also, it prints one byte per-line which
is way too loud. So, just remove it.

Reviewed-by: Nicholas Kazlauskas <[e-mail]>
Signed-off-by: Lyude Paul <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/basics/Makefile

···
 # It provides the general basic services required by other DAL
 # subcomponents.
 
-BASICS = conversion.o fixpt31_32.o \
-	log_helpers.o vector.o dc_common.o
+BASICS = conversion.o fixpt31_32.o vector.o dc_common.o
 
 AMD_DAL_BASICS = $(addprefix $(AMDDALPATH)/dc/basics/,$(BASICS))
 

drivers/gpu/drm/amd/display/dc/basics/log_helpers.c

···
-/*
- * Copyright 2012-16 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
- */
-
-#include "core_types.h"
-#include "logger.h"
-#include "include/logger_interface.h"
-#include "dm_helpers.h"
-
-void dc_conn_log_hex_linux(const uint8_t *hex_data, int hex_data_count)
-{
-	int i;
-
-	if (hex_data)
-		for (i = 0; i < hex_data_count; i++)
-			DC_LOG_DEBUG("%2.2X ", hex_data[i]);
-}
-

drivers/gpu/drm/amd/display/include/logger_interface.h

···
  *
  */
 
-void dc_conn_log_hex_linux(const uint8_t *hex_data, int hex_data_count);
-
 void pre_surface_trace(
 		struct dc *dc,
 		const struct dc_plane_state *const *plane_states,
···
 #define CONN_DATA_DETECT(link, hex_data, hex_len, ...) \
 		do { \
 			(void)(link); \
-			dc_conn_log_hex_linux(hex_data, hex_len); \
 			DC_LOG_EVENT_DETECTION(__VA_ARGS__); \
 		} while (0)
 
 #define CONN_DATA_LINK_LOSS(link, hex_data, hex_len, ...) \
 		do { \
 			(void)(link); \
-			dc_conn_log_hex_linux(hex_data, hex_len); \
 			DC_LOG_EVENT_LINK_LOSS(__VA_ARGS__); \
 		} while (0)