return hdmi_id == HDMI_IEEE_OUI;
}
+static bool cea_db_is_hdmi_hf_vsdb(const u8 *db)
+{
+ int hdmi_id;
+
+ if (cea_db_tag(db) != VENDOR_BLOCK)
+ return false;
+
+ if (cea_db_payload_len(db) < 7)
+ return false;
+
+ hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
+
+ return hdmi_id == HDMI_IEEE_OUI_HF;
+}
+
#define for_each_cea_db(cea, i, start, end) \
for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
connector->audio_latency[1]);
}
+static void
+parse_hdmi_hf_vsdb(struct drm_connector *connector, const u8 *db)
+{
+ u8 len = cea_db_payload_len(db);
+
+ if (len < 7)
+ return;
+
+ if (db[4] != 1)
+ return; /* invalid version */
+
+ connector->max_tmds_char = db[5] * 5;
+ connector->scdc_present = db[6] & (1 << 7);
+ connector->rr_capable = db[6] & (1 << 6);
+ connector->flags_3d = db[6] & 0x7;
+ connector->lte_340mcsc_scramble = db[6] & (1 << 3);
+
+ DRM_DEBUG_KMS("HDMI v2: max TMDS clock %d, "
+ "scdc %s, "
+ "rr %s, "
+ "3D flags 0x%x, "
+ "scramble %s\n",
+ connector->max_tmds_char,
+ connector->scdc_present ? "available" : "not available",
+ connector->rr_capable ? "capable" : "not capable",
+ connector->flags_3d,
+ connector->lte_340mcsc_scramble ?
+ "supported" : "not supported");
+}
+
static void
monitor_name(struct detailed_timing *t, void *data)
{
/* HDMI Vendor-Specific Data Block */
if (cea_db_is_hdmi_vsdb(db))
parse_hdmi_vsdb(connector, db);
+ /* HDMI Forum Vendor-Specific Data Block */
+ else if (cea_db_is_hdmi_hf_vsdb(db))
+ parse_hdmi_hf_vsdb(connector, db);
break;
default:
break;