diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 3f178258d9f9..c684085cb56a 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -662,6 +662,13 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb) edp_link_params->vswing); break; } + + if (bdb->version >= 173) { + uint8_t vswing; + + vswing = (edp->edp_vswing_preemph >> (panel_type * 4)) & 0xF; + dev_priv->vbt.edp_low_vswing = vswing == 0; + } } static void |