diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 7118530a1c38..dd51413e7f45 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -2674,6 +2674,23 @@ intel_bios_is_lspcon_present(const struct drm_i915_private *i915, return HAS_LSPCON(i915) && child && child->lspcon; } +/** + * intel_bios_is_lane_reversal_needed - if lane reversal needed on port + * @i915: i915 device instance + * @port: port to check + * + * Return true if port requires lane reversal + */ +bool +intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915, + enum port port) +{ + const struct child_device_config *child = + i915->vbt.ddi_port_info[port].child; + + return child && child->lane_reversal; +} + enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, enum port port) { |