dp/mst: add SDP stream support
This adds code to initialise the SDP streams
for a sink in the simplest ordering.
I've no idea how you'd want to control the
ordering at this level, so don't bother
until someone comes up with a use case.
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449036584-105393-1-git-send-email-libin.yang@linux.intel.com
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 5340099..74b5888 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -94,6 +94,7 @@
struct drm_dp_mst_topology_mgr *mgr;
struct edid *cached_edid; /* for DP logical ports - make tiling work */
+ bool has_audio;
};
/**
@@ -215,13 +216,13 @@
struct drm_dp_sideband_msg_hdr initial_hdr;
};
-
+#define DRM_DP_MAX_SDP_STREAMS 16
struct drm_dp_allocate_payload {
u8 port_number;
u8 number_sdp_streams;
u8 vcpi;
u16 pbn;
- u8 sdp_stream_sink[8];
+ u8 sdp_stream_sink[DRM_DP_MAX_SDP_STREAMS];
};
struct drm_dp_allocate_payload_ack_reply {
@@ -484,6 +485,8 @@
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);
+bool drm_dp_mst_port_has_audio(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);