From 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Tue, 12 Sep 2017 15:58:20 -0400 Subject: drm/amd/dc: Add dc display driver (v2) Supported DCE versions: 8.0, 10.0, 11.0, 11.2 v2: rebase against 4.11 Signed-off-by: Harry Wentland Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/basics/log_helpers.c | 100 +++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 drivers/gpu/drm/amd/display/dc/basics/log_helpers.c (limited to 'drivers/gpu/drm/amd/display/dc/basics/log_helpers.c') diff --git a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c b/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c new file mode 100644 index 000000000000..61f36a7f322b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c @@ -0,0 +1,100 @@ +/* + * 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" + +#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0])) + +struct dc_signal_type_info { + enum signal_type type; + char name[MAX_NAME_LEN]; +}; + +static const struct dc_signal_type_info signal_type_info_tbl[] = { + {SIGNAL_TYPE_NONE, "NC"}, + {SIGNAL_TYPE_DVI_SINGLE_LINK, "DVI"}, + {SIGNAL_TYPE_DVI_DUAL_LINK, "DDVI"}, + {SIGNAL_TYPE_HDMI_TYPE_A, "HDMIA"}, + {SIGNAL_TYPE_LVDS, "LVDS"}, + {SIGNAL_TYPE_RGB, "VGA"}, + {SIGNAL_TYPE_DISPLAY_PORT, "DP"}, + {SIGNAL_TYPE_DISPLAY_PORT_MST, "MST"}, + {SIGNAL_TYPE_EDP, "eDP"}, + {SIGNAL_TYPE_WIRELESS, "Wireless"}, + {SIGNAL_TYPE_VIRTUAL, "Virtual"} +}; + +void dc_conn_log(struct dc_context *ctx, + const struct dc_link *link, + uint8_t *hex_data, + int hex_data_count, + enum dc_log_type event, + const char *msg, + ...) +{ + int i; + va_list args; + struct log_entry entry = { 0 }; + enum signal_type signal; + + if (link->local_sink) + signal = link->local_sink->sink_signal; + else + signal = link->connector_signal; + + if (link->type == dc_connection_mst_branch) + signal = SIGNAL_TYPE_DISPLAY_PORT_MST; + + dm_logger_open(ctx->logger, &entry, event); + + for (i = 0; i < NUM_ELEMENTS(signal_type_info_tbl); i++) + if (signal == signal_type_info_tbl[i].type) + break; + + dm_logger_append(&entry, "[%s][ConnIdx:%d] ", + signal_type_info_tbl[i].name, + link->link_index); + + va_start(args, msg); + entry.buf_offset += dm_log_to_buffer( + &entry.buf[entry.buf_offset], + LOG_MAX_LINE_SIZE - entry.buf_offset, + msg, args); + + if (entry.buf[strlen(entry.buf) - 1] == '\n') { + entry.buf[strlen(entry.buf) - 1] = '\0'; + entry.buf_offset--; + } + + if (hex_data) + for (i = 0; i < hex_data_count; i++) + dm_logger_append(&entry, "%2.2X ", hex_data[i]); + + dm_logger_append(&entry, "^\n"); + dm_logger_close(&entry); + va_end(args); +} -- cgit v1.2.3