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 | 92 |
1 files changed, 91 insertions, 1 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 cdb5c027411a..a4bef4364afd 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -99,6 +99,10 @@ static enum bp_result get_firmware_info_v3_2( struct bios_parser *bp, struct dc_firmware_info *info); +static enum bp_result get_firmware_info_v3_4( + struct bios_parser *bp, + struct dc_firmware_info *info); + static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp, struct atom_display_object_path_v2 *object); @@ -1426,8 +1430,10 @@ static enum bp_result bios_parser_get_firmware_info( break; case 2: case 3: - case 4: result = get_firmware_info_v3_2(bp, info); + break; + case 4: + result = get_firmware_info_v3_4(bp, info); break; default: break; @@ -1575,6 +1581,88 @@ static enum bp_result get_firmware_info_v3_2( return BP_RESULT_OK; } +static enum bp_result get_firmware_info_v3_4( + struct bios_parser *bp, + struct dc_firmware_info *info) +{ + struct atom_firmware_info_v3_4 *firmware_info; + struct atom_common_table_header *header; + struct atom_data_revision revision; + struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL; + struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL; + if (!info) + return BP_RESULT_BADINPUT; + + firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4, + DATA_TABLES(firmwareinfo)); + + if (!firmware_info) + return BP_RESULT_BADBIOSTABLE; + + memset(info, 0, sizeof(*info)); + + header = GET_IMAGE(struct atom_common_table_header, + DATA_TABLES(dce_info)); + + get_atom_data_table_revision(header, &revision); + + switch (revision.major) { + case 4: + switch (revision.minor) { + case 4: + dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4, + DATA_TABLES(dce_info)); + + if (!dce_info_v4_4) + return BP_RESULT_BADBIOSTABLE; + + /* 100MHz expected */ + info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10; + info->dp_phy_ref_clk = dce_info_v4_4->dpphy_refclk_10khz * 10; + /* 50MHz expected */ + info->i2c_engine_ref_clk = dce_info_v4_4->i2c_engine_refclk_10khz * 10; + + /* Get SMU Display PLL VCO Frequency in KHz*/ + info->smu_gpu_pll_output_freq = dce_info_v4_4->dispclk_pll_vco_freq * 10; + break; + + default: + /* should not come here, keep as backup, as was before */ + dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1, + DATA_TABLES(dce_info)); + + if (!dce_info_v4_1) + return BP_RESULT_BADBIOSTABLE; + + info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10; + info->dp_phy_ref_clk = dce_info_v4_1->dpphy_refclk_10khz * 10; + info->i2c_engine_ref_clk = dce_info_v4_1->i2c_engine_refclk_10khz * 10; + break; + } + break; + + default: + ASSERT(0); + break; + } + + header = GET_IMAGE(struct atom_common_table_header, + DATA_TABLES(smu_info)); + get_atom_data_table_revision(header, &revision); + + // We need to convert from 10KHz units into KHz units. + info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10; + + if (firmware_info->board_i2c_feature_id == 0x2) { + info->oem_i2c_present = true; + info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id; + } else { + info->oem_i2c_present = false; + } + + return BP_RESULT_OK; +} + static enum bp_result bios_parser_get_encoder_cap_info( struct dc_bios *dcb, struct graphics_object_id object_id, @@ -2233,6 +2321,8 @@ static enum bp_result get_integrated_info_v2_2( info->ext_disp_conn_info.checksum = info_v2_2->extdispconninfo.checksum; + info->ext_disp_conn_info.fixdpvoltageswing = + info_v2_2->extdispconninfo.fixdpvoltageswing; info->edp1_info.edp_backlight_pwm_hz = le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz); |