| 44,8 → 44,6 |
|---|
| /** |
| * struct drm_dp_mst_port - MST port |
| * @kref: reference count for this port. |
| * @guid_valid: for DP 1.2 devices if we have validated the GUID. |
| * @guid: guid for DP 1.2 device on this port. |
| * @port_num: port number |
| * @input: if this port is an input port. |
| * @mcs: message capability status - DP 1.2 spec. |
| 70,10 → 68,6 |
|---|
| struct drm_dp_mst_port { |
| struct kref kref; |
| |
| /* if dpcd 1.2 device is on this port - its GUID info */ |
| bool guid_valid; |
| u8 guid[16]; |
| |
| u8 port_num; |
| bool input; |
| bool mcs; |
| 109,10 → 103,12 |
|---|
| * @tx_slots: transmission slots for this device. |
| * @last_seqno: last sequence number used to talk to this. |
| * @link_address_sent: if a link address message has been sent to this device yet. |
| * @guid: guid for DP 1.2 branch device. port under this branch can be |
| * identified by port #. |
| * |
| * This structure represents an MST branch device, there is one |
| * primary branch device at the root, along with any others connected |
| * to downstream ports |
| * primary branch device at the root, along with any other branches connected |
| * to downstream port of parent branches. |
| */ |
| struct drm_dp_mst_branch { |
| struct kref kref; |
| 131,6 → 127,9 |
|---|
| struct drm_dp_sideband_msg_tx *tx_slots[2]; |
| int last_seqno; |
| bool link_address_sent; |
| |
| /* global unique identifier to identify branch devices */ |
| u8 guid[16]; |
| }; |
| |
| |
| 405,11 → 404,9 |
|---|
| * @conn_base_id: DRM connector ID this mgr is connected to. |
| * @down_rep_recv: msg receiver state for down replies. |
| * @up_req_recv: msg receiver state for up requests. |
| * @lock: protects mst state, primary, guid, dpcd. |
| * @lock: protects mst state, primary, dpcd. |
| * @mst_state: if this manager is enabled for an MST capable port. |
| * @mst_primary: pointer to the primary branch device. |
| * @guid_valid: GUID valid for the primary branch device. |
| * @guid: GUID for primary port. |
| * @dpcd: cache of DPCD for primary port. |
| * @pbn_div: PBN to slots divisor. |
| * |
| 431,13 → 428,11 |
|---|
| struct drm_dp_sideband_msg_rx up_req_recv; |
| |
| /* pointer to info about the initial MST device */ |
| struct mutex lock; /* protects mst_state + primary + guid + dpcd */ |
| struct mutex lock; /* protects mst_state + primary + dpcd */ |
| |
| bool mst_state; |
| struct drm_dp_mst_branch *mst_primary; |
| /* primary MST device GUID */ |
| bool guid_valid; |
| u8 guid[16]; |
| |
| u8 dpcd[DP_RECEIVER_CAP_SIZE]; |
| u8 sink_count; |
| int pbn_div; |
| 450,9 → 445,7 |
|---|
| the mstb tx_slots and txmsg->state once they are queued */ |
| struct mutex qlock; |
| struct list_head tx_msg_downq; |
| struct list_head tx_msg_upq; |
| bool tx_down_in_progress; |
| bool tx_up_in_progress; |
| |
| /* payload info + lock for it */ |
| struct mutex payload_lock; |