diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 76 |
1 files changed, 0 insertions, 76 deletions
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 ebd2e419f8f2..656c39ac0256 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -545,80 +545,6 @@ static enum bp_result bios_parser_get_hpd_info(struct dc_bios *dcb, return BP_RESULT_NORECORD; } -static uint32_t bios_parser_get_gpio_record( - struct dc_bios *dcb, - struct graphics_object_id id, - struct bp_gpio_cntl_info *gpio_record, - uint32_t record_size) -{ - struct bios_parser *bp = BP_FROM_DCB(dcb); - ATOM_COMMON_RECORD_HEADER *header = NULL; - ATOM_OBJECT_GPIO_CNTL_RECORD *record = NULL; - ATOM_OBJECT *object = get_bios_object(bp, id); - uint32_t offset; - uint32_t pins_number; - uint32_t i; - - if (!object) - return 0; - - /* Initialise offset */ - offset = le16_to_cpu(object->usRecordOffset) - + bp->object_info_tbl_offset; - - for (;;) { - /* Get record header */ - header = GET_IMAGE(ATOM_COMMON_RECORD_HEADER, offset); - if (!header || header->ucRecordType == LAST_RECORD_TYPE || - !header->ucRecordSize) - break; - - /* If this is gpio control record - stop. We found the record */ - if (header->ucRecordType == ATOM_OBJECT_GPIO_CNTL_RECORD_TYPE - && header->ucRecordSize - >= sizeof(ATOM_OBJECT_GPIO_CNTL_RECORD)) { - record = (ATOM_OBJECT_GPIO_CNTL_RECORD *) header; - break; - } - - /* Advance to next record */ - offset += header->ucRecordSize; - } - - /* If we did not find a record - return */ - if (!record) - return 0; - - /* Extract gpio IDs from bios record (make sure we do not exceed passed - * array size) */ - pins_number = (record->ucNumberOfPins < record_size ? - record->ucNumberOfPins : record_size); - for (i = 0; i < pins_number; i++) { - uint8_t output_state = ((record->asGpio[i].ucGPIO_PinState - & GPIO_PIN_OUTPUT_STATE_MASK) - >> GPIO_PIN_OUTPUT_STATE_SHIFT); - gpio_record[i].id = record->asGpio[i].ucGPIOID; - - switch (output_state) { - case GPIO_PIN_STATE_ACTIVE_LOW: - gpio_record[i].state = - GPIO_PIN_OUTPUT_STATE_ACTIVE_LOW; - break; - - case GPIO_PIN_STATE_ACTIVE_HIGH: - gpio_record[i].state = - GPIO_PIN_OUTPUT_STATE_ACTIVE_HIGH; - break; - - default: - BREAK_TO_DEBUGGER(); /* Invalid Pin Output State */ - break; - } - } - - return pins_number; -} - enum bp_result bios_parser_get_device_tag_record( struct bios_parser *bp, ATOM_OBJECT *object, @@ -4064,8 +3990,6 @@ static const struct dc_vbios_funcs vbios_funcs = { .get_dst_number = bios_parser_get_dst_number, - .get_gpio_record = bios_parser_get_gpio_record, - .get_src_obj = bios_parser_get_src_obj, .get_dst_obj = bios_parser_get_dst_obj, |