From: Ville Syrjälä Date: Wed, 7 Sep 2022 09:35:34 +0000 (+0300) Subject: drm/i915/bios: Add the "Disable compression for the Display Port/HDMI external displa... X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=758b018aa28342b5c54646987f8f6ce675cd7bae;p=linux.git drm/i915/bios: Add the "Disable compression for the Display Port/HDMI external display" bit 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 Link: https://patchwork.freedesktop.org/patch/msgid/20220907093534.29004-2-ville.syrjala@linux.intel.com Reviewed-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 6119fb0353570..a9f44abfc9fc2 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -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+ */