iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-07-15 23:20:39 +03:00
parent 5fe9eea5ed
commit 490d95c70e
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/display/intel_vbt_defs.h
View File

@ -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 */