diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 9c406b0f4173..4222f52d95f8 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1123,7 +1123,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, } /* Parse the I_boost config for SKL and above */ - if (bdb->version >= 196 && (child->common.flags_1 & IBOOST_ENABLE)) { + if (bdb->version >= 196 && child->common.iboost) { info->dp_boost_level = translate_iboost(child->common.iboost_level & 0xF); DRM_DEBUG_KMS("VBT (e)DP boost level for port %c: %d\n", port_name(port), info->dp_boost_level); @@ -1241,6 +1241,19 @@ parse_device_mapping(struct drm_i915_private *dev_priv, */ memcpy(child_dev_ptr, p_child, min_t(size_t, p_defs->child_dev_size, sizeof(*p_child))); + + /* + * copied full block, now init values when they are not + * available in current version + */ + if (bdb->version < 196) { + /* Set default values for bits added from v196 */ + child_dev_ptr->common.iboost = 0; + child_dev_ptr->common.hpd_invert = 0; + } + + if (bdb->version < 192) + child_dev_ptr->common.lspcon = 0; } return; } |