drm/i915/bios: document BDB versions of child device config fields

Document everything that was introduced after version 155, which seems
to be the baseline for some of the later documentation. No functional
changes.

Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/11e8200e750eea13604b2d21e56b37cd5e6d9ab0.1503600621.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
index 9ad05b2c44e07b1643da027c8422523aa5672b88..6bc28e57f8059e242cb3450d0868cc9d49f8e483 100644 (file)
--- a/drivers/gpu/drm/i915/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
@@ -285,15 +285,15 @@ struct common_child_dev_config {
        u8 ddc_pin;
        u16 edid_ptr;
        u8 dvo_cfg; /* See DEVICE_CFG_* above */
-       u8 efp_routed:1;
-       u8 lane_reversal:1;
-       u8 lspcon:1;
-       u8 iboost:1;
-       u8 hpd_invert:1;
+       u8 efp_routed:1;                                        /* 158 */
+       u8 lane_reversal:1;                                     /* 184 */
+       u8 lspcon:1;                                            /* 192 */
+       u8 iboost:1;                                            /* 196 */
+       u8 hpd_invert:1;                                        /* 196 */
        u8 flag_reserved:3;
-       u8 hdmi_support:1;
-       u8 dp_support:1;
-       u8 tmds_support:1;
+       u8 hdmi_support:1;                                      /* 158 */
+       u8 dp_support:1;                                        /* 158 */
+       u8 tmds_support:1;                                      /* 158 */
        u8 support_reserved:5;
        u8 aux_channel;
        u8 dongle_detect;