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 | 204 |
1 files changed, 204 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 37fa7b48250e..b8684131151d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -1154,6 +1154,9 @@ static enum bp_result bios_parser_get_firmware_info( result = get_firmware_info_v3_2(bp, info); break; case 3: +#ifdef CONFIG_DRM_AMD_DC_DCN3_0 + case 4: +#endif result = get_firmware_info_v3_2(bp, info); break; default: @@ -1375,6 +1378,63 @@ static struct atom_encoder_caps_record *get_encoder_cap_record( return NULL; } +static enum bp_result get_vram_info_v23( + struct bios_parser *bp, + struct dc_vram_info *info) +{ + struct atom_vram_info_header_v2_3 *info_v23; + enum bp_result result = BP_RESULT_OK; + + info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3, + DATA_TABLES(vram_info)); + + if (info_v23 == NULL) + return BP_RESULT_BADBIOSTABLE; + + info->num_chans = info_v23->vram_module[0].channel_num; + info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8; + + return result; +} + +static enum bp_result get_vram_info_v24( + struct bios_parser *bp, + struct dc_vram_info *info) +{ + struct atom_vram_info_header_v2_4 *info_v24; + enum bp_result result = BP_RESULT_OK; + + info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4, + DATA_TABLES(vram_info)); + + if (info_v24 == NULL) + return BP_RESULT_BADBIOSTABLE; + + info->num_chans = info_v24->vram_module[0].channel_num; + info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8; + + return result; +} + +static enum bp_result get_vram_info_v25( + struct bios_parser *bp, + struct dc_vram_info *info) +{ + struct atom_vram_info_header_v2_5 *info_v25; + enum bp_result result = BP_RESULT_OK; + + info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5, + DATA_TABLES(vram_info)); + + if (info_v25 == NULL) + return BP_RESULT_BADBIOSTABLE; + + info->num_chans = info_v25->vram_module[0].channel_num; + info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8; + + return result; +} + /* * get_integrated_info_v11 * @@ -1666,6 +1726,46 @@ static enum bp_result construct_integrated_info( return result; } +static enum bp_result bios_parser_get_vram_info( + struct dc_bios *dcb, + struct dc_vram_info *info) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + enum bp_result result = BP_RESULT_BADBIOSTABLE; + struct atom_common_table_header *header; + struct atom_data_revision revision; + + if (info && DATA_TABLES(vram_info)) { + header = GET_IMAGE(struct atom_common_table_header, + DATA_TABLES(vram_info)); + + get_atom_data_table_revision(header, &revision); + + switch (revision.major) { + case 2: + switch (revision.minor) { + case 3: + result = get_vram_info_v23(bp, info); + break; + case 4: + result = get_vram_info_v24(bp, info); + break; + case 5: + result = get_vram_info_v25(bp, info); + break; + default: + break; + } + break; + + default: + return result; + } + + } + return result; +} + static struct integrated_info *bios_parser_create_integrated_info( struct dc_bios *dcb) { @@ -1877,6 +1977,108 @@ static enum bp_result bios_get_board_layout_info( return BP_RESULT_OK; } + +static uint16_t bios_parser_pack_data_tables( + struct dc_bios *dcb, + void *dst) +{ +#ifdef PACK_BIOS_DATA + struct bios_parser *bp = BP_FROM_DCB(dcb); + struct atom_rom_header_v2_2 *rom_header = NULL; + struct atom_rom_header_v2_2 *packed_rom_header = NULL; + struct atom_common_table_header *data_tbl_header = NULL; + struct atom_master_list_of_data_tables_v2_1 *data_tbl_list = NULL; + struct atom_master_data_table_v2_1 *packed_master_data_tbl = NULL; + struct atom_data_revision tbl_rev = {0}; + uint16_t *rom_header_offset = NULL; + const uint8_t *bios = bp->base.bios; + uint8_t *bios_dst = (uint8_t *)dst; + uint16_t packed_rom_header_offset; + uint16_t packed_masterdatatable_offset; + uint16_t packed_data_tbl_offset; + uint16_t data_tbl_offset; + unsigned int i; + + rom_header_offset = + GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER); + + if (!rom_header_offset) + return 0; + + rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset); + + if (!rom_header) + return 0; + + get_atom_data_table_revision(&rom_header->table_header, &tbl_rev); + if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2)) + return 0; + + get_atom_data_table_revision(&bp->master_data_tbl->table_header, &tbl_rev); + if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 1)) + return 0; + + packed_rom_header_offset = + OFFSET_TO_ATOM_ROM_HEADER_POINTER + sizeof(*rom_header_offset); + + packed_masterdatatable_offset = + packed_rom_header_offset + rom_header->table_header.structuresize; + + packed_data_tbl_offset = + packed_masterdatatable_offset + + bp->master_data_tbl->table_header.structuresize; + + packed_rom_header = + (struct atom_rom_header_v2_2 *)(bios_dst + packed_rom_header_offset); + + packed_master_data_tbl = + (struct atom_master_data_table_v2_1 *)(bios_dst + + packed_masterdatatable_offset); + + memcpy(bios_dst, bios, OFFSET_TO_ATOM_ROM_HEADER_POINTER); + + *((uint16_t *)(bios_dst + OFFSET_TO_ATOM_ROM_HEADER_POINTER)) = + packed_rom_header_offset; + + memcpy(bios_dst + packed_rom_header_offset, rom_header, + rom_header->table_header.structuresize); + + packed_rom_header->masterdatatable_offset = packed_masterdatatable_offset; + + memcpy(&packed_master_data_tbl->table_header, + &bp->master_data_tbl->table_header, + sizeof(bp->master_data_tbl->table_header)); + + data_tbl_list = &bp->master_data_tbl->listOfdatatables; + + /* Each data table offset in data table list is 2 bytes, + * we can use that to iterate through listOfdatatables + * without knowing the name of each member. + */ + for (i = 0; i < sizeof(*data_tbl_list)/sizeof(uint16_t); i++) { + data_tbl_offset = *((uint16_t *)data_tbl_list + i); + + if (data_tbl_offset) { + data_tbl_header = + (struct atom_common_table_header *)(bios + data_tbl_offset); + + memcpy(bios_dst + packed_data_tbl_offset, data_tbl_header, + data_tbl_header->structuresize); + + *((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) = + packed_data_tbl_offset; + + packed_data_tbl_offset += data_tbl_header->structuresize; + } else { + *((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) = 0; + } + } + return packed_data_tbl_offset; +#endif + // TODO: There is data bytes alignment issue, disable it for now. + return 0; +} + static const struct dc_vbios_funcs vbios_funcs = { .get_connectors_number = bios_parser_get_connectors_number, @@ -1925,6 +2127,7 @@ static const struct dc_vbios_funcs vbios_funcs = { .bios_parser_destroy = firmware_parser_destroy, .get_board_layout_info = bios_get_board_layout_info, + .pack_data_tables = bios_parser_pack_data_tables, }; static bool bios_parser2_construct( @@ -2006,6 +2209,7 @@ static bool bios_parser2_construct( bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base); bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK; + bios_parser_get_vram_info(&bp->base, &bp->base.vram_info); return true; } |