Revert "drm/i915/opregion: check port number bounds for SWSCI display power state"

From Greg Thelen
11e6a90ffd6294083b808d34ccc5a5ea18ed603e in linux 5.15.y/5.15.42

diff --git a/sys/dev/pci/drm/i915/display/intel_opregion.c b/sys/dev/pci/drm/i915/display/intel_opregion.c
index 610a1e4..df469af 100644 (file)
--- a/sys/dev/pci/drm/i915/display/intel_opregion.c
+++ b/sys/dev/pci/drm/i915/display/intel_opregion.c
@@ -376,21 +376,6 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
                return -EINVAL;
        }
 
-       /*
-        * The port numbering and mapping here is bizarre. The now-obsolete
-        * swsci spec supports ports numbered [0..4]. Port E is handled as a
-        * special case, but port F and beyond are not. The functionality is
-        * supposed to be obsolete for new platforms. Just bail out if the port
-        * number is out of bounds after mapping.
-        */
-       if (port > 4) {
-               drm_dbg_kms(&dev_priv->drm,
-                           "[ENCODER:%d:%s] port %c (index %u) out of bounds for display power state notification\n",
-                           intel_encoder->base.base.id, intel_encoder->base.name,
-                           port_name(intel_encoder->port), port);
-               return -EINVAL;
-       }
-
        if (!enable)
                parm |= 4 << 8;