return modes;
}
+static bool hdmi_vsdb_latency_present(const u8 *db)
+{
+ return db[8] & BIT(7);
+}
+
+static bool hdmi_vsdb_i_latency_present(const u8 *db)
+{
+ return hdmi_vsdb_latency_present(db) && db[8] & BIT(6);
+}
+
/*
* do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
* @connector: connector corresponding to the HDMI sink
}
}
+/* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
static void
drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
{
if (len >= 6 && (db[6] & (1 << 7)))
connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
- if (len >= 8) {
- connector->latency_present[0] = db[8] >> 7;
- connector->latency_present[1] = (db[8] >> 6) & 1;
- }
- if (len >= 9)
+
+ if (len >= 10 && hdmi_vsdb_latency_present(db)) {
+ connector->latency_present[0] = true;
connector->video_latency[0] = db[9];
- if (len >= 10)
connector->audio_latency[0] = db[10];
- if (len >= 11)
+ }
+
+ if (len >= 12 && hdmi_vsdb_i_latency_present(db)) {
+ connector->latency_present[1] = true;
connector->video_latency[1] = db[11];
- if (len >= 12)
connector->audio_latency[1] = db[12];
+ }
drm_dbg_kms(connector->dev,
"[CONNECTOR:%d:%s] HDMI: latency present %d %d, video latency %d %d, audio latency %d %d\n",