diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 70 |
1 files changed, 70 insertions, 0 deletions
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 43922fa358a9..670c26583817 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -903,6 +903,7 @@ static enum bp_result bios_parser_get_soc_bb_info( break; case 4: result = get_soc_bb_info_v4_4(bp, soc_bb_info); + break; default: break; } @@ -1019,6 +1020,7 @@ static enum bp_result bios_parser_get_embedded_panel_info( default: break; } + break; default: break; } @@ -1453,6 +1455,72 @@ static struct atom_encoder_caps_record *get_encoder_cap_record( return NULL; } +static struct atom_disp_connector_caps_record *get_disp_connector_caps_record( + struct bios_parser *bp, + struct atom_display_object_path_v2 *object) +{ + struct atom_common_record_header *header; + uint32_t offset; + + if (!object) { + BREAK_TO_DEBUGGER(); /* Invalid object */ + return NULL; + } + + offset = object->disp_recordoffset + bp->object_info_tbl_offset; + + for (;;) { + header = GET_IMAGE(struct atom_common_record_header, offset); + + if (!header) + return NULL; + + offset += header->record_size; + + if (header->record_type == LAST_RECORD_TYPE || + !header->record_size) + break; + + if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE) + continue; + + if (sizeof(struct atom_disp_connector_caps_record) <= + header->record_size) + return (struct atom_disp_connector_caps_record *)header; + } + + return NULL; +} + +static enum bp_result bios_parser_get_disp_connector_caps_info( + struct dc_bios *dcb, + struct graphics_object_id object_id, + struct bp_disp_connector_caps_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + struct atom_display_object_path_v2 *object; + struct atom_disp_connector_caps_record *record = NULL; + + if (!info) + return BP_RESULT_BADINPUT; + + object = get_bios_object(bp, object_id); + + if (!object) + return BP_RESULT_BADINPUT; + + record = get_disp_connector_caps_record(bp, object); + if (!record) + return BP_RESULT_NORECORD; + + info->INTERNAL_DISPLAY = (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) + ? 1 : 0; + info->INTERNAL_DISPLAY_BL = (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) + ? 1 : 0; + + return BP_RESULT_OK; +} + static enum bp_result get_vram_info_v23( struct bios_parser *bp, struct dc_vram_info *info) @@ -2461,6 +2529,8 @@ static const struct dc_vbios_funcs vbios_funcs = { .enable_lvtma_control = bios_parser_enable_lvtma_control, .get_soc_bb_info = bios_parser_get_soc_bb_info, + + .get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info, }; static bool bios_parser2_construct( |