From 8401f0d64d68522e6807550d5b7d38ff319b6b1a Mon Sep 17 00:00:00 2001 From: Samson Tam Date: Wed, 30 May 2018 15:44:50 -0400 Subject: [PATCH 4799/5725] drm/amd/display: get board layout for edid emulation Signed-off-by: Samson Tam Reviewed-by: Aric Cyr Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 196 ++++++++++++++++++ drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 218 ++++++++++++++++++++- drivers/gpu/drm/amd/display/dc/dc_bios_types.h | 4 + .../gpu/drm/amd/display/include/grph_object_defs.h | 46 +++++ .../gpu/drm/amd/display/include/grph_object_id.h | 11 ++ 5 files changed, 474 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index c7f0b27..be8a249 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -3762,6 +3762,200 @@ static struct integrated_info *bios_parser_create_integrated_info( return NULL; } +enum bp_result update_slot_layout_info( + struct dc_bios *dcb, + unsigned int i, + struct slot_layout_info *slot_layout_info, + unsigned int record_offset) +{ + unsigned int j; + struct bios_parser *bp; + ATOM_BRACKET_LAYOUT_RECORD *record; + ATOM_COMMON_RECORD_HEADER *record_header; + enum bp_result result = BP_RESULT_NORECORD; + + bp = BP_FROM_DCB(dcb); + record = NULL; + record_header = NULL; + + for (;;) { + + record_header = (ATOM_COMMON_RECORD_HEADER *) + GET_IMAGE(ATOM_COMMON_RECORD_HEADER, record_offset); + if (record_header == NULL) { + result = BP_RESULT_BADBIOSTABLE; + break; + } + + /* the end of the list */ + if (record_header->ucRecordType == 0xff || + record_header->ucRecordSize == 0) { + break; + } + + if (record_header->ucRecordType == + ATOM_BRACKET_LAYOUT_RECORD_TYPE && + sizeof(ATOM_BRACKET_LAYOUT_RECORD) + <= record_header->ucRecordSize) { + record = (ATOM_BRACKET_LAYOUT_RECORD *) + (record_header); + result = BP_RESULT_OK; + break; + } + + record_offset += record_header->ucRecordSize; + } + + /* return if the record not found */ + if (result != BP_RESULT_OK) + return result; + + /* get slot sizes */ + slot_layout_info->length = record->ucLength; + slot_layout_info->width = record->ucWidth; + + /* get info for each connector in the slot */ + slot_layout_info->num_of_connectors = record->ucConnNum; + for (j = 0; j < slot_layout_info->num_of_connectors; ++j) { + slot_layout_info->connectors[j].connector_type = + (enum connector_layout_type) + (record->asConnInfo[j].ucConnectorType); + switch (record->asConnInfo[j].ucConnectorType) { + case CONNECTOR_TYPE_DVI_D: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_DVI_D; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_DVI; + break; + + case CONNECTOR_TYPE_HDMI: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_HDMI; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_HDMI; + break; + + case CONNECTOR_TYPE_DISPLAY_PORT: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_DP; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_DP; + break; + + case CONNECTOR_TYPE_MINI_DISPLAY_PORT: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_MINI_DP; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_MINI_DP; + break; + + default: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_UNKNOWN; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_UNKNOWN; + } + + slot_layout_info->connectors[j].position = + record->asConnInfo[j].ucPosition; + slot_layout_info->connectors[j].connector_id = + object_id_from_bios_object_id( + record->asConnInfo[j].usConnectorObjectId); + } + return result; +} + + +enum bp_result get_bracket_layout_record( + struct dc_bios *dcb, + unsigned int bracket_layout_id, + struct slot_layout_info *slot_layout_info) +{ + unsigned int i; + unsigned int record_offset; + struct bios_parser *bp; + enum bp_result result; + ATOM_OBJECT *object; + ATOM_OBJECT_TABLE *object_table; + unsigned int genericTableOffset; + + bp = BP_FROM_DCB(dcb); + object = NULL; + if (slot_layout_info == NULL) { + DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n"); + return BP_RESULT_BADINPUT; + } + + + genericTableOffset = bp->object_info_tbl_offset + + bp->object_info_tbl.v1_3->usMiscObjectTableOffset; + object_table = (ATOM_OBJECT_TABLE *) + GET_IMAGE(ATOM_OBJECT_TABLE, genericTableOffset); + if (!object_table) + return BP_RESULT_FAILURE; + + result = BP_RESULT_NORECORD; + for (i = 0; i < object_table->ucNumberOfObjects; ++i) { + + if (bracket_layout_id == + object_table->asObjects[i].usObjectID) { + + object = &object_table->asObjects[i]; + record_offset = object->usRecordOffset + + bp->object_info_tbl_offset; + + result = update_slot_layout_info(dcb, i, + slot_layout_info, record_offset); + break; + } + } + return result; +} + +static enum bp_result bios_get_board_layout_info( + struct dc_bios *dcb, + struct board_layout_info *board_layout_info) +{ + unsigned int i; + struct bios_parser *bp; + enum bp_result record_result; + + const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = { + GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1, + GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2, + 0, 0 + }; + + bp = BP_FROM_DCB(dcb); + if (board_layout_info == NULL) { + DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n"); + return BP_RESULT_BADINPUT; + } + + board_layout_info->num_of_slots = 0; + + for (i = 0; i < MAX_BOARD_SLOTS; ++i) { + record_result = get_bracket_layout_record(dcb, + slot_index_to_vbios_id[i], + &board_layout_info->slots[i]); + + if (record_result == BP_RESULT_NORECORD && i > 0) + break; /* no more slots present in bios */ + else if (record_result != BP_RESULT_OK) + return record_result; /* fail */ + + ++board_layout_info->num_of_slots; + } + + /* all data is valid */ + board_layout_info->is_number_of_slots_valid = 1; + board_layout_info->is_slots_size_valid = 1; + board_layout_info->is_connector_offsets_valid = 1; + board_layout_info->is_connector_lengths_valid = 1; + + return BP_RESULT_OK; +} + /******************************************************************************/ static const struct dc_vbios_funcs vbios_funcs = { @@ -3836,6 +4030,8 @@ static const struct dc_vbios_funcs vbios_funcs = { .post_init = bios_parser_post_init, /* patch vbios table for mxm module by reading i2c */ .bios_parser_destroy = bios_parser_destroy, + + .get_board_layout_info = bios_get_board_layout_info, }; static bool bios_parser_construct( diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index b8cef7a..aeb56e4 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -43,6 +43,29 @@ #include "bios_parser_interface.h" #include "bios_parser_common.h" + +/* Temporarily add in defines until ObjectID.h patch is updated in a few days */ +#ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT +#define GENERIC_OBJECT_ID_BRACKET_LAYOUT 0x05 +#endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */ + +#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 +#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 \ + (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\ + GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\ + GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT) +#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */ + +#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 +#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 \ + (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\ + GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\ + GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT) +#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */ + +#define DC_LOGGER \ + bp->base.ctx->logger + #define LAST_RECORD_TYPE 0xff #define SMU9_SYSPLL0_ID 0 @@ -86,7 +109,6 @@ static struct atom_encoder_caps_record *get_encoder_cap_record( #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table) - static void destruct(struct bios_parser *bp) { kfree(bp->base.bios_local_image); @@ -1854,6 +1876,198 @@ static struct integrated_info *bios_parser_create_integrated_info( return NULL; } +static enum bp_result update_slot_layout_info( + struct dc_bios *dcb, + unsigned int i, + struct slot_layout_info *slot_layout_info) +{ + unsigned int record_offset; + unsigned int j; + struct atom_display_object_path_v2 *object; + struct atom_bracket_layout_record *record; + struct atom_common_record_header *record_header; + enum bp_result result; + struct bios_parser *bp; + struct object_info_table *tbl; + struct display_object_info_table_v1_4 *v1_4; + + record = NULL; + record_header = NULL; + result = BP_RESULT_NORECORD; + + bp = BP_FROM_DCB(dcb); + tbl = &bp->object_info_tbl; + v1_4 = tbl->v1_4; + + object = &v1_4->display_path[i]; + record_offset = (unsigned int) + (object->disp_recordoffset) + + (unsigned int)(bp->object_info_tbl_offset); + + for (;;) { + + record_header = (struct atom_common_record_header *) + GET_IMAGE(struct atom_common_record_header, + record_offset); + if (record_header == NULL) { + result = BP_RESULT_BADBIOSTABLE; + break; + } + + /* the end of the list */ + if (record_header->record_type == 0xff || + record_header->record_size == 0) { + break; + } + + if (record_header->record_type == + ATOM_BRACKET_LAYOUT_RECORD_TYPE && + sizeof(struct atom_bracket_layout_record) + <= record_header->record_size) { + record = (struct atom_bracket_layout_record *) + (record_header); + result = BP_RESULT_OK; + break; + } + + record_offset += record_header->record_size; + } + + /* return if the record not found */ + if (result != BP_RESULT_OK) + return result; + + /* get slot sizes */ + slot_layout_info->length = record->bracketlen; + slot_layout_info->width = record->bracketwidth; + + /* get info for each connector in the slot */ + slot_layout_info->num_of_connectors = record->conn_num; + for (j = 0; j < slot_layout_info->num_of_connectors; ++j) { + slot_layout_info->connectors[j].connector_type = + (enum connector_layout_type) + (record->conn_info[j].connector_type); + switch (record->conn_info[j].connector_type) { + case CONNECTOR_TYPE_DVI_D: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_DVI_D; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_DVI; + break; + + case CONNECTOR_TYPE_HDMI: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_HDMI; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_HDMI; + break; + + case CONNECTOR_TYPE_DISPLAY_PORT: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_DP; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_DP; + break; + + case CONNECTOR_TYPE_MINI_DISPLAY_PORT: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_MINI_DP; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_MINI_DP; + break; + + default: + slot_layout_info->connectors[j].connector_type = + CONNECTOR_LAYOUT_TYPE_UNKNOWN; + slot_layout_info->connectors[j].length = + CONNECTOR_SIZE_UNKNOWN; + } + + slot_layout_info->connectors[j].position = + record->conn_info[j].position; + slot_layout_info->connectors[j].connector_id = + object_id_from_bios_object_id( + record->conn_info[j].connectorobjid); + } + return result; +} + + +static enum bp_result get_bracket_layout_record( + struct dc_bios *dcb, + unsigned int bracket_layout_id, + struct slot_layout_info *slot_layout_info) +{ + unsigned int i; + struct bios_parser *bp = BP_FROM_DCB(dcb); + enum bp_result result; + struct object_info_table *tbl; + struct display_object_info_table_v1_4 *v1_4; + + if (slot_layout_info == NULL) { + DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n"); + return BP_RESULT_BADINPUT; + } + tbl = &bp->object_info_tbl; + v1_4 = tbl->v1_4; + + result = BP_RESULT_NORECORD; + for (i = 0; i < v1_4->number_of_path; ++i) { + + if (bracket_layout_id == + v1_4->display_path[i].display_objid) { + result = update_slot_layout_info(dcb, i, + slot_layout_info); + break; + } + } + return result; +} + +static enum bp_result bios_get_board_layout_info( + struct dc_bios *dcb, + struct board_layout_info *board_layout_info) +{ + unsigned int i; + struct bios_parser *bp; + enum bp_result record_result; + + const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = { + GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1, + GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2, + 0, 0 + }; + + bp = BP_FROM_DCB(dcb); + if (board_layout_info == NULL) { + DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n"); + return BP_RESULT_BADINPUT; + } + + board_layout_info->num_of_slots = 0; + + for (i = 0; i < MAX_BOARD_SLOTS; ++i) { + record_result = get_bracket_layout_record(dcb, + slot_index_to_vbios_id[i], + &board_layout_info->slots[i]); + + if (record_result == BP_RESULT_NORECORD && i > 0) + break; /* no more slots present in bios */ + else if (record_result != BP_RESULT_OK) + return record_result; /* fail */ + + ++board_layout_info->num_of_slots; + } + + /* all data is valid */ + board_layout_info->is_number_of_slots_valid = 1; + board_layout_info->is_slots_size_valid = 1; + board_layout_info->is_connector_offsets_valid = 1; + board_layout_info->is_connector_lengths_valid = 1; + + return BP_RESULT_OK; +} + static const struct dc_vbios_funcs vbios_funcs = { .get_connectors_number = bios_parser_get_connectors_number, @@ -1925,6 +2139,8 @@ static const struct dc_vbios_funcs vbios_funcs = { .bios_parser_destroy = firmware_parser_destroy, .get_smu_clock_info = bios_parser_get_smu_clock_info, + + .get_board_layout_info = bios_get_board_layout_info, }; static bool bios_parser_construct( diff --git a/drivers/gpu/drm/amd/display/dc/dc_bios_types.h b/drivers/gpu/drm/amd/display/dc/dc_bios_types.h index d9b84ec..90082ba 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_bios_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_bios_types.h @@ -198,6 +198,10 @@ struct dc_vbios_funcs { void (*post_init)(struct dc_bios *bios); void (*bios_parser_destroy)(struct dc_bios **dcb); + + enum bp_result (*get_board_layout_info)( + struct dc_bios *dcb, + struct board_layout_info *board_layout_info); }; struct bios_registers { diff --git a/drivers/gpu/drm/amd/display/include/grph_object_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_defs.h index 2941b88..58bb42e 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_defs.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_defs.h @@ -37,6 +37,10 @@ * ******************************************************************** */ +#define MAX_CONNECTOR_NUMBER_PER_SLOT (16) +#define MAX_BOARD_SLOTS (4) +#define INVALID_CONNECTOR_INDEX ((unsigned int)(-1)) + /* HPD unit id - HW direct translation */ enum hpd_source_id { HPD_SOURCEID1 = 0, @@ -136,5 +140,47 @@ enum sync_source { SYNC_SOURCE_DUAL_GPU_PIN }; +/* connector sizes in millimeters - from BiosParserTypes.hpp */ +#define CONNECTOR_SIZE_DVI 40 +#define CONNECTOR_SIZE_VGA 32 +#define CONNECTOR_SIZE_HDMI 16 +#define CONNECTOR_SIZE_DP 16 +#define CONNECTOR_SIZE_MINI_DP 9 +#define CONNECTOR_SIZE_UNKNOWN 30 + +enum connector_layout_type { + CONNECTOR_LAYOUT_TYPE_UNKNOWN, + CONNECTOR_LAYOUT_TYPE_DVI_D, + CONNECTOR_LAYOUT_TYPE_DVI_I, + CONNECTOR_LAYOUT_TYPE_VGA, + CONNECTOR_LAYOUT_TYPE_HDMI, + CONNECTOR_LAYOUT_TYPE_DP, + CONNECTOR_LAYOUT_TYPE_MINI_DP, +}; +struct connector_layout_info { + struct graphics_object_id connector_id; + enum connector_layout_type connector_type; + unsigned int length; + unsigned int position; /* offset in mm from right side of the board */ +}; + +/* length and width in mm */ +struct slot_layout_info { + unsigned int length; + unsigned int width; + unsigned int num_of_connectors; + struct connector_layout_info connectors[MAX_CONNECTOR_NUMBER_PER_SLOT]; +}; + +struct board_layout_info { + unsigned int num_of_slots; + /* indicates valid information in bracket layout structure. */ + unsigned int is_number_of_slots_valid : 1; + unsigned int is_slots_size_valid : 1; + unsigned int is_connector_offsets_valid : 1; + unsigned int is_connector_lengths_valid : 1; + + struct slot_layout_info slots[MAX_BOARD_SLOTS]; +}; #endif diff --git a/drivers/gpu/drm/amd/display/include/grph_object_id.h b/drivers/gpu/drm/amd/display/include/grph_object_id.h index 92cc6c1..33b3d75 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_id.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h @@ -292,4 +292,15 @@ static inline enum engine_id dal_graphics_object_id_get_engine_id( return (enum engine_id) id.id; return ENGINE_ID_UNKNOWN; } + +static inline bool dal_graphics_object_id_equal( + struct graphics_object_id id_1, + struct graphics_object_id id_2) +{ + if ((id_1.id == id_2.id) && (id_1.enum_id == id_2.enum_id) && + (id_1.type == id_2.type)) { + return true; + } + return false; +} #endif -- 2.7.4