diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_factory.c | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c index 2c3f5d662285..8073fdae9cb1 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c @@ -456,7 +456,6 @@ static bool construct_phy(struct dc_link *link, struct dc_context *dc_ctx = init_params->ctx; struct encoder_init_data enc_init_data = { 0 }; struct panel_cntl_init_data panel_cntl_init_data = { 0 }; - struct integrated_info info = { 0 }; struct dc_bios *bios = init_params->dc->ctx->dc_bios; const struct dc_vbios_funcs *bp_funcs = bios->funcs; struct bp_disp_connector_caps_info disp_connect_caps_info = { 0 }; @@ -671,42 +670,44 @@ static bool construct_phy(struct dc_link *link, break; } - if (bios->integrated_info) - info = *bios->integrated_info; - - /* Look for channel mapping corresponding to connector and device tag */ - for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) { - struct external_display_path *path = - &info.ext_disp_conn_info.path[i]; - - if (path->device_connector_id.enum_id == link->link_id.enum_id && - path->device_connector_id.id == link->link_id.id && - path->device_connector_id.type == link->link_id.type) { - if (link->device_tag.acpi_device != 0 && - path->device_acpi_enum == link->device_tag.acpi_device) { - link->ddi_channel_mapping = path->channel_mapping; - link->chip_caps = path->caps; - DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw); - DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps); - } else if (path->device_tag == - link->device_tag.dev_id.raw_device_tag) { - link->ddi_channel_mapping = path->channel_mapping; - link->chip_caps = path->caps; - DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw); - DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps); - } + if (bios->integrated_info) { + /* Look for channel mapping corresponding to connector and device tag */ + for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) { + struct external_display_path *path = + &bios->integrated_info->ext_disp_conn_info.path[i]; + + if (path->device_connector_id.enum_id == link->link_id.enum_id && + path->device_connector_id.id == link->link_id.id && + path->device_connector_id.type == link->link_id.type) { + if (link->device_tag.acpi_device != 0 && + path->device_acpi_enum == link->device_tag.acpi_device) { + link->ddi_channel_mapping = path->channel_mapping; + link->chip_caps = path->caps; + DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", + link->ddi_channel_mapping.raw); + DC_LOG_DC("BIOS object table - chip_caps: %d", + link->chip_caps); + } else if (path->device_tag == + link->device_tag.dev_id.raw_device_tag) { + link->ddi_channel_mapping = path->channel_mapping; + link->chip_caps = path->caps; + DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", + link->ddi_channel_mapping.raw); + DC_LOG_DC("BIOS object table - chip_caps: %d", + link->chip_caps); + } + + if (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) { + link->bios_forced_drive_settings.VOLTAGE_SWING = + (bios->integrated_info->ext_disp_conn_info.fixdpvoltageswing & 0x3); + link->bios_forced_drive_settings.PRE_EMPHASIS = + ((bios->integrated_info->ext_disp_conn_info.fixdpvoltageswing >> 2) & 0x3); + } - if (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) { - link->bios_forced_drive_settings.VOLTAGE_SWING = - (info.ext_disp_conn_info.fixdpvoltageswing & 0x3); - link->bios_forced_drive_settings.PRE_EMPHASIS = - ((info.ext_disp_conn_info.fixdpvoltageswing >> 2) & 0x3); + break; } - - break; } } - if (bios->funcs->get_atom_dc_golden_table) bios->funcs->get_atom_dc_golden_table(bios); |