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

drm/i915/bios: Add the "Disable compression for the Display Port/HDMI external display" bit

Browse Source 
The child device block has gained a new bit for disabling
compression for external displays. Seems stupid, but there it is.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907093534.29004-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-09-07 12:35:34 +03:00
parent ab30464cf0
commit 758b018aa2
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/i915/display/intel_vbt_defs.h
View File

@ -418,7 +418,8 @@ struct child_device_config {
u8 compression_method_cps:1; /* 198+ */
u8 ganged_edp:1; /* 202+ */
u8 lttpr_non_transparent:1; /* 235+ */
u8 reserved2:3;
u8 disable_compression_for_ext_disp:1; /* 251+ */
u8 reserved2:2;
u8 compression_structure_index:4; /* 198+ */
u8 reserved3:4;
u8 hdmi_max_frl_rate:4; /* 237+ */