drm/i915: Define VBT eDP/DP max lane count bits

Since version 244 the VBT can llimt the eDP/DP max lane count.
Add the bits.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220715202044.11153-5-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 5b05cb0..68a89f2 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -438,7 +438,7 @@ struct child_device_config {
                        u8 iboost:1;                            /* 196+ */
                        u8 hpd_invert:1;                        /* 196+ */
                        u8 use_vbt_vswing:1;                    /* 218+ */
-                       u8 flag_reserved:2;
+                       u8 dp_max_lane_count:2;                 /* 244+ */
                        u8 hdmi_support:1;                      /* 158+ */
                        u8 dp_support:1;                        /* 158+ */
                        u8 tmds_support:1;                      /* 158+ */