From: Ville Syrjälä Date: Fri, 3 May 2024 12:24:23 +0000 (+0300) Subject: drm/i915/bios: Define VBT block 3 (Display Toggle Option) contents X-Git-Tag: v6.11-rc1~141^2~20^2~390 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c58f254be3bd6276133735c8b7762c51589b4d03;p=thirdparty%2Flinux.git drm/i915/bios: Define VBT block 3 (Display Toggle Option) contents Define the contents of VBT block 3 (Display Toggle Option). On modern VBTs this is just a single byte, but on ALM there is also some extra to do with toggle lists or something. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-10-ville.syrjala@linux.intel.com Acked-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 6858a7631eee4..816d810714379 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -141,7 +141,7 @@ struct bdb_header { enum bdb_block_id { BDB_GENERAL_FEATURES = 1, BDB_GENERAL_DEFINITIONS = 2, - BDB_OLD_TOGGLE_LIST = 3, + BDB_DISPLAY_TOGGLE = 3, BDB_MODE_SUPPORT_LIST = 4, BDB_GENERIC_MODE_TABLE = 5, BDB_EXT_MMIO_REGS = 6, /* VBIOS only */ @@ -561,6 +561,16 @@ struct bdb_general_definitions { u8 devices[]; } __packed; +/* + * Block 3 - Display Toggle Option Block + */ + +struct bdb_display_toggle { + u8 feature_bits; + u16 num_entries; /* ALM only */ + u16 list[]; /* ALM only */ +} __packed; + /* * Block 9 - SRD Feature Block */