drm/i915: Add the VBT LTTPR transparent vs. non-transparent bits

VBT gained a bit to indicate whether LTTPRs should use transparent
or non-transparent mode. Dunno if we should actually look at this...

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 68a89f2..245c8ae 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -408,7 +408,8 @@ struct child_device_config {
                        u8 compression_enable:1;                /* 198+ */
                        u8 compression_method_cps:1;            /* 198+ */
                        u8 ganged_edp:1;                        /* 202+ */
-                       u8 reserved2:4;
+                       u8 lttpr_non_transparent:1;             /* 235+ */
+                       u8 reserved2:3;
                        u8 compression_structure_index:4;       /* 198+ */
                        u8 reserved3:4;
                        u8 slave_port;                          /* 202+ */