Commit c58f254b authored by Ville Syrjälä's avatar Ville Syrjälä
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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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-10-ville.syrjala@linux.intel.com


Acked-by: default avatarJani Nikula <jani.nikula@intel.com>
parent a17b317c

drivers/gpu/drm/i915/display/intel_vbt_defs.h

+11 −1
Original line number Diff line number Diff line
@@ -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

 */