Logical ports are never going to have EDID changes,
they are used for the internal ports on MST monitors.
We cache the EDIDs from these to save time at MST probe.
v2: drop misplace tile property line, meant for other patch.
Signed-off-by: Dave Airlie <airlied@redhat.com>
struct drm_dp_mst_topology_mgr *mgr = port->mgr;
if (!port->input) {
port->vcpi.num_slots = 0;
struct drm_dp_mst_topology_mgr *mgr = port->mgr;
if (!port->input) {
port->vcpi.num_slots = 0;
+
+ kfree(port->cached_edid);
if (port->connector)
(*port->mgr->cbs->destroy_connector)(mgr, port->connector);
drm_dp_port_teardown_pdt(port, port->pdt);
if (port->connector)
(*port->mgr->cbs->destroy_connector)(mgr, port->connector);
drm_dp_port_teardown_pdt(port, port->pdt);
char proppath[255];
build_mst_prop_path(port, mstb, proppath, sizeof(proppath));
port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath);
char proppath[255];
build_mst_prop_path(port, mstb, proppath, sizeof(proppath));
port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath);
+
+ if (port->port_num >= 8) {
+ port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);
+ }
}
/* put reference to this port */
}
/* put reference to this port */
* This returns the current connection state for a port. It validates the
* port pointer still exists so the caller doesn't require a reference
*/
* This returns the current connection state for a port. It validates the
* port pointer still exists so the caller doesn't require a reference
*/
-enum drm_connector_status drm_dp_mst_detect_port(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
+enum drm_connector_status drm_dp_mst_detect_port(struct drm_connector *connector,
+ struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
{
enum drm_connector_status status = connector_status_disconnected;
{
enum drm_connector_status status = connector_status_disconnected;
case DP_PEER_DEVICE_SST_SINK:
status = connector_status_connected;
case DP_PEER_DEVICE_SST_SINK:
status = connector_status_connected;
+ /* for logical ports - cache the EDID */
+ if (port->port_num >= 8 && !port->cached_edid) {
+ port->cached_edid = drm_get_edid(connector, &port->aux.ddc);
+ }
break;
case DP_PEER_DEVICE_DP_LEGACY_CONV:
if (port->ldps)
break;
case DP_PEER_DEVICE_DP_LEGACY_CONV:
if (port->ldps)
- edid = drm_get_edid(connector, &port->aux.ddc);
+ if (port->cached_edid)
+ edid = drm_edid_duplicate(port->cached_edid);
+ else
+ edid = drm_get_edid(connector, &port->aux.ddc);
+
drm_dp_put_port(port);
return edid;
}
drm_dp_put_port(port);
return edid;
}
struct intel_connector *intel_connector = to_intel_connector(connector);
struct intel_dp *intel_dp = intel_connector->mst_port;
struct intel_connector *intel_connector = to_intel_connector(connector);
struct intel_dp *intel_dp = intel_connector->mst_port;
- return drm_dp_mst_detect_port(&intel_dp->mst_mgr, intel_connector->port);
+ return drm_dp_mst_detect_port(connector, &intel_dp->mst_mgr, intel_connector->port);
struct drm_dp_vcpi vcpi;
struct drm_connector *connector;
struct drm_dp_mst_topology_mgr *mgr;
struct drm_dp_vcpi vcpi;
struct drm_connector *connector;
struct drm_dp_mst_topology_mgr *mgr;
+
+ struct edid *cached_edid; /* for DP logical ports - make tiling work */
int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled);
int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled);
-enum drm_connector_status drm_dp_mst_detect_port(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
+enum drm_connector_status drm_dp_mst_detect_port(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);