Commit 490d95c7 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Document the sets of bits in the driver features block 



Add a few comment documenting the sets of bits in the driver
features block. Might make it a bit easier to check against
the spec.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-8-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 5fe9eea5

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

+7 −0
Original line number Diff line number Diff line
@@ -542,6 +542,7 @@ struct bdb_psr { 
#define BDB_DRIVER_FEATURE_INT_SDVO_LVDS	3



struct bdb_driver_features {

	/* Driver bits */

	u8 boot_dev_algorithm:1;

	u8 block_display_switch:1;

	u8 allow_display_switch:1;
@@ -556,6 +557,7 @@ struct bdb_driver_features { 
	u8 boot_mode_bpp;

	u8 boot_mode_refresh;



	/* Extended Driver Bits 1 */

	u16 enable_lfp_primary:1;

	u16 selective_mode_pruning:1;

	u16 dual_frequency:1;
@@ -571,6 +573,7 @@ struct bdb_driver_features { 
	u16 tv_hotplug:1;

	u16 hdmi_config:2;



	/* Driver Flags 1 */

	u8 static_display:1;					/* 163+ */

	u8 reserved2:7;
@@ -578,8 +581,12 @@ struct bdb_driver_features { 
	u16 legacy_crt_max_y;

	u8 legacy_crt_max_refresh;



	/* Extended Driver Bits 2 */

	u8 hdmi_termination;



	u8 custom_vbt_version;					/* 155+ */



	/* Driver Feature Flags */

	u16 rmpm_enabled:1;					/* 165+ */

	u16 s2ddt_enabled:1;					/* 165+ */

	u16 dpst_enabled:1;					/* 165-227 */