[kbuild-all] [sashal-linux-stable:queue-4.9 87/88] drivers/gpu/drm/drm_dp_mst_topology.c:554:45: error: passing argument 1 of 'drm_dp_sideband_parse_link_address' from incompatible pointer type

tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.9 head: c536a440ded6c6c660528ac5568f00ed522f13ac commit: a789ef33ea7a127f8fb5d07b23820f7bb1ea6f1e [87/88] drm/dp_mst: Increase ACT retry timeout to 3s config: x86_64-randconfig-m001-20200622 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:423:59: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_remote_dpcd_read': drivers/gpu/drm/drm_dp_mst_topology.c:427:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.remote_dpcd_read_ack.port_number = raw->msg[idx] & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:427:50: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.remote_dpcd_read_ack.port_number = raw->msg[idx] & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:444:20: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:443:60: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_remote_dpcd_write(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_remote_dpcd_write': drivers/gpu/drm/drm_dp_mst_topology.c:447:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.remote_dpcd_write_ack.port_number = raw->msg[idx] & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:447:51: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.remote_dpcd_write_ack.port_number = raw->msg[idx] & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:458:20: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:457:62: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_remote_i2c_read_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_remote_i2c_read_ack': drivers/gpu/drm/drm_dp_mst_topology.c:462:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.remote_i2c_read_ack.port_number = (raw->msg[idx] & 0xf); ^~ drivers/gpu/drm/drm_dp_mst_topology.c:462:50: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.remote_i2c_read_ack.port_number = (raw->msg[idx] & 0xf); ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:477:17: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:476:66: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_enum_path_resources_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_enum_path_resources_ack': drivers/gpu/drm/drm_dp_mst_topology.c:480:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.path_resources.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:480:45: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.path_resources.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:499:17: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:498:63: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_allocate_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_allocate_payload_ack': drivers/gpu/drm/drm_dp_mst_topology.c:502:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.allocate_payload.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:502:47: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.allocate_payload.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:521:18: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *repmsg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:520:60: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_query_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_query_payload_ack': drivers/gpu/drm/drm_dp_mst_topology.c:524:8: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' repmsg->u.query_payload.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:524:44: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' repmsg->u.query_payload.port_number = (raw->msg[idx] >> 4) & 0xf; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:539:13: warning: 'struct drm_dp_sideband_msg_reply_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_reply_body *msg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:538:48: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_reply(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_reply': drivers/gpu/drm/drm_dp_mst_topology.c:541:24: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_reply_body' memset(msg, 0, sizeof(*msg)); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:542:24: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' msg->reply_type = (raw->msg[0] & 0x80) >> 7; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:553:7: error: 'DP_LINK_ADDRESS' undeclared (first use in this function); did you mean 'ISA_END_ADDRESS'? case DP_LINK_ADDRESS: ^~~~~~~~~~~~~~~ ISA_END_ADDRESS return drm_dp_sideband_parse_link_address(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:371:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_link_address(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:554:50: error: passing argument 2 of 'drm_dp_sideband_parse_link_address' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_link_address(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:371:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_link_address(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:555:7: error: 'DP_QUERY_PAYLOAD' undeclared (first use in this function) case DP_QUERY_PAYLOAD: ^~~~~~~~~~~~~~~~ return drm_dp_sideband_parse_query_payload_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:520:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_query_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:556:55: error: passing argument 2 of 'drm_dp_sideband_parse_query_payload_ack' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_query_payload_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:520:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_query_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:557:7: error: 'DP_REMOTE_DPCD_READ' undeclared (first use in this function) case DP_REMOTE_DPCD_READ: ^~~~~~~~~~~~~~~~~~~ return drm_dp_sideband_parse_remote_dpcd_read(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:423:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:558:54: error: passing argument 2 of 'drm_dp_sideband_parse_remote_dpcd_read' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_remote_dpcd_read(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:423:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:559:7: error: 'DP_REMOTE_DPCD_WRITE' undeclared (first use in this function); did you mean 'DP_REMOTE_DPCD_READ'? case DP_REMOTE_DPCD_WRITE: ^~~~~~~~~~~~~~~~~~~~ DP_REMOTE_DPCD_READ return drm_dp_sideband_parse_remote_dpcd_write(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:443:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_remote_dpcd_write(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:560:55: error: passing argument 2 of 'drm_dp_sideband_parse_remote_dpcd_write' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_remote_dpcd_write(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:443:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_remote_dpcd_write(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:561:7: error: 'DP_REMOTE_I2C_READ' undeclared (first use in this function); did you mean 'DP_REMOTE_DPCD_READ'? case DP_REMOTE_I2C_READ: ^~~~~~~~~~~~~~~~~~ DP_REMOTE_DPCD_READ return drm_dp_sideband_parse_remote_i2c_read_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:457:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_remote_i2c_read_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:562:57: error: passing argument 2 of 'drm_dp_sideband_parse_remote_i2c_read_ack' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_remote_i2c_read_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:457:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_remote_i2c_read_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:563:7: error: 'DP_ENUM_PATH_RESOURCES' undeclared (first use in this function); did you mean 'SD_SHARE_PKG_RESOURCES'? case DP_ENUM_PATH_RESOURCES: ^~~~~~~~~~~~~~~~~~~~~~ SD_SHARE_PKG_RESOURCES return drm_dp_sideband_parse_enum_path_resources_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:476:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_enum_path_resources_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:564:61: error: passing argument 2 of 'drm_dp_sideband_parse_enum_path_resources_ack' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_enum_path_resources_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:476:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_enum_path_resources_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:565:7: error: 'DP_ALLOCATE_PAYLOAD' undeclared (first use in this function); did you mean 'DP_QUERY_PAYLOAD'? case DP_ALLOCATE_PAYLOAD: ^~~~~~~~~~~~~~~~~~~ DP_QUERY_PAYLOAD return drm_dp_sideband_parse_allocate_payload_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:498:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_allocate_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:566:58: error: passing argument 2 of 'drm_dp_sideband_parse_allocate_payload_ack' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_allocate_payload_ack(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:498:13: note: expected 'struct drm_dp_sideband_msg_reply_body *' but argument is of type 'struct drm_dp_sideband_msg_reply_body *' static bool drm_dp_sideband_parse_allocate_payload_ack(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:568:3: error: implicit declaration of function 'DRM_ERROR'; did you mean 'TIME_ERROR'? [-Werror=implicit-function-declaration] DRM_ERROR("Got unknown reply 0x%02x\n", msg->req_type); ^~~~~~~~~ TIME_ERROR drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:574:18: warning: 'struct drm_dp_sideband_msg_req_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_req_body *msg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:573:67: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_connection_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_connection_status_notify': drivers/gpu/drm/drm_dp_mst_topology.c:578:5: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_req_body' msg->u.conn_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:578:37: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' msg->u.conn_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:601:18: warning: 'struct drm_dp_sideband_msg_req_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_req_body *msg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:600:65: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_resource_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_resource_status_notify': drivers/gpu/drm/drm_dp_mst_topology.c:605:5: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_req_body' msg->u.resource_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:605:41: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' msg->u.resource_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:624:18: warning: 'struct drm_dp_sideband_msg_req_body' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_req_body *msg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:623:46: warning: 'struct drm_dp_sideband_msg_rx' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_sideband_parse_req(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_parse_req': drivers/gpu/drm/drm_dp_mst_topology.c:626:24: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_req_body' memset(msg, 0, sizeof(*msg)); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:627:22: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_rx' msg->req_type = (raw->msg[0] & 0x7f); ^~ drivers/gpu/drm/drm_dp_mst_topology.c:630:7: error: 'DP_CONNECTION_STATUS_NOTIFY' undeclared (first use in this function) case DP_CONNECTION_STATUS_NOTIFY: ^~~~~~~~~~~~~~~~~~~~~~~~~~~ return drm_dp_sideband_parse_connection_status_notify(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:573:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_connection_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:631:62: error: passing argument 2 of 'drm_dp_sideband_parse_connection_status_notify' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_connection_status_notify(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:573:13: note: expected 'struct drm_dp_sideband_msg_req_body *' but argument is of type 'struct drm_dp_sideband_msg_req_body *' static bool drm_dp_sideband_parse_connection_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:632:7: error: 'DP_RESOURCE_STATUS_NOTIFY' undeclared (first use in this function); did you mean 'DP_CONNECTION_STATUS_NOTIFY'? case DP_RESOURCE_STATUS_NOTIFY: ^~~~~~~~~~~~~~~~~~~~~~~~~ DP_CONNECTION_STATUS_NOTIFY return drm_dp_sideband_parse_resource_status_notify(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:600:13: note: expected 'struct drm_dp_sideband_msg_rx *' but argument is of type 'struct drm_dp_sideband_msg_rx *' static bool drm_dp_sideband_parse_resource_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:633:60: error: passing argument 2 of 'drm_dp_sideband_parse_resource_status_notify' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_dp_sideband_parse_resource_status_notify(raw, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:600:13: note: expected 'struct drm_dp_sideband_msg_req_body *' but argument is of type 'struct drm_dp_sideband_msg_req_body *' static bool drm_dp_sideband_parse_resource_status_notify(struct drm_dp_sideband_msg_rx *raw, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:640:36: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration static int build_dpcd_write(struct drm_dp_sideband_msg_tx *msg, u8 port_num, u32 offset, u8 num_bytes, u8 *bytes) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'build_dpcd_write': drivers/gpu/drm/drm_dp_mst_topology.c:642:38: error: storage size of 'req' isn't known struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:644:17: error: 'DP_REMOTE_DPCD_WRITE' undeclared (first use in this function); did you mean 'REQ_OP_WRITE'? req.req_type = DP_REMOTE_DPCD_WRITE; ^~~~~~~~~~~~~~~~~~~~ REQ_OP_WRITE drm_dp_encode_sideband_req(&req, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:196:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req, ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:642:38: warning: unused variable 'req' [-Wunused-variable] struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:654:38: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration static int build_link_address(struct drm_dp_sideband_msg_tx *msg) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'build_link_address': drivers/gpu/drm/drm_dp_mst_topology.c:656:38: error: storage size of 'req' isn't known struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:658:17: error: 'DP_LINK_ADDRESS' undeclared (first use in this function); did you mean 'ISA_END_ADDRESS'? req.req_type = DP_LINK_ADDRESS; ^~~~~~~~~~~~~~~ ISA_END_ADDRESS drivers/gpu/drm/drm_dp_mst_topology.c:659:35: error: passing argument 2 of 'drm_dp_encode_sideband_req' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_encode_sideband_req(&req, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:196:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req, ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:656:38: warning: unused variable 'req' [-Wunused-variable] struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:663:45: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration static int build_enum_path_resources(struct drm_dp_sideband_msg_tx *msg, int port_num) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'build_enum_path_resources': drivers/gpu/drm/drm_dp_mst_topology.c:665:38: error: storage size of 'req' isn't known struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:667:17: error: 'DP_ENUM_PATH_RESOURCES' undeclared (first use in this function); did you mean 'SD_SHARE_PKG_RESOURCES'? req.req_type = DP_ENUM_PATH_RESOURCES; ^~~~~~~~~~~~~~~~~~~~~~ SD_SHARE_PKG_RESOURCES drivers/gpu/drm/drm_dp_mst_topology.c:669:35: error: passing argument 2 of 'drm_dp_encode_sideband_req' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_encode_sideband_req(&req, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:196:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req, ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:670:5: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_tx' msg->path_msg = true; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:665:38: warning: unused variable 'req' [-Wunused-variable] struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:674:42: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration static int build_allocate_payload(struct drm_dp_sideband_msg_tx *msg, int port_num, ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'build_allocate_payload': drivers/gpu/drm/drm_dp_mst_topology.c:679:38: error: storage size of 'req' isn't known struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:681:17: error: 'DP_ALLOCATE_PAYLOAD' undeclared (first use in this function) req.req_type = DP_ALLOCATE_PAYLOAD; ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:688:35: error: passing argument 2 of 'drm_dp_encode_sideband_req' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_encode_sideband_req(&req, msg); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:196:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req, ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:689:5: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_tx' msg->path_msg = true; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:679:38: warning: unused variable 'req' [-Wunused-variable] struct drm_dp_sideband_msg_req_body req; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:694:13: warning: 'struct drm_dp_vcpi' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_vcpi *vcpi) ^~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:693:48: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static int drm_dp_mst_assign_payload_id(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_assign_payload_id': drivers/gpu/drm/drm_dp_mst_topology.c:698:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->payload_lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:715:6: error: dereferencing pointer to incomplete type 'struct drm_dp_vcpi' vcpi->vcpi = vcpi_ret + 1; ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:722:46: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_mst_put_payload_id(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_put_payload_id': drivers/gpu/drm/drm_dp_mst_topology.c:729:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->payload_lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:744:17: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_tx *txmsg) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:743:38: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'check_txmsg_state': drivers/gpu/drm/drm_dp_mst_topology.c:753:14: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_tx' ret = (txmsg->state == DRM_DP_SIDEBAND_TX_RX || ^~ drivers/gpu/drm/drm_dp_mst_topology.c:753:25: error: 'DRM_DP_SIDEBAND_TX_RX' undeclared (first use in this function) ret = (txmsg->state == DRM_DP_SIDEBAND_TX_RX || ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:754:25: error: 'DRM_DP_SIDEBAND_TX_TIMEOUT' undeclared (first use in this function); did you mean 'DRM_DP_SIDEBAND_TX_RX'? txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT); ^~~~~~~~~~~~~~~~~~~~~~~~~~ DRM_DP_SIDEBAND_TX_RX drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:759:16: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_tx *txmsg) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:758:44: warning: 'struct drm_dp_mst_branch' declared inside parameter list will not be visible outside of this definition or declaration static int drm_dp_mst_wait_tx_reply(struct drm_dp_mst_branch *mstb, ^~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_wait_tx_reply': drivers/gpu/drm/drm_dp_mst_topology.c:761:44: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_branch' struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; ^~ In file included from include/linux/completion.h:11:0, from include/linux/rcupdate.h:43, from include/linux/rbtree.h:34, from include/linux/sched.h:22, from drivers/gpu/drm/drm_dp_mst_topology.c:27: check_txmsg_state(mgr, txmsg), ^ include/linux/wait.h:241:17: note: in definition of macro '___wait_cond_timeout' bool __cond = (condition); \ ^~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:764:8: note: in expansion of macro 'wait_event_timeout' ret = wait_event_timeout(mgr->tx_waitq, ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:743:13: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~ In file included from include/linux/completion.h:11:0, from include/linux/rcupdate.h:43, from include/linux/rbtree.h:34, from include/linux/sched.h:22, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c:765:29: error: passing argument 2 of 'check_txmsg_state' from incompatible pointer type [-Werror=incompatible-pointer-types] check_txmsg_state(mgr, txmsg), ^ include/linux/wait.h:241:17: note: in definition of macro '___wait_cond_timeout' bool __cond = (condition); \ ^~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:764:8: note: in expansion of macro 'wait_event_timeout' ret = wait_event_timeout(mgr->tx_waitq, ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:743:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~ In file included from include/linux/completion.h:11:0, from include/linux/rcupdate.h:43, from include/linux/rbtree.h:34, from include/linux/sched.h:22, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c:764:30: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' ret = wait_event_timeout(mgr->tx_waitq, ^ include/linux/wait.h:273:39: note: in definition of macro '___wait_event' long __int = prepare_to_wait_event(&wq, &__wait, state);\ ^~ include/linux/wait.h:382:11: note: in expansion of macro '__wait_event_timeout' __ret = __wait_event_timeout(wq, condition, timeout); \ ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:764:8: note: in expansion of macro 'wait_event_timeout' ret = wait_event_timeout(mgr->tx_waitq, ^~~~~~~~~~~~~~~~~~ check_txmsg_state(mgr, txmsg), ^ include/linux/wait.h:275:7: note: in definition of macro '___wait_event' if (condition) \ ^~~~~~~~~ include/linux/wait.h:354:20: note: in expansion of macro '___wait_cond_timeout' ___wait_event(wq, ___wait_cond_timeout(condition), \ ^~~~~~~~~~~~~~~~~~~~ include/linux/wait.h:382:11: note: in expansion of macro '__wait_event_timeout' __ret = __wait_event_timeout(wq, condition, timeout); \ ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:764:8: note: in expansion of macro 'wait_event_timeout' ret = wait_event_timeout(mgr->tx_waitq, ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:743:13: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~ In file included from include/linux/completion.h:11:0, from include/linux/rcupdate.h:43, from include/linux/rbtree.h:34, from include/linux/sched.h:22, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c:765:29: error: passing argument 2 of 'check_txmsg_state' from incompatible pointer type [-Werror=incompatible-pointer-types] check_txmsg_state(mgr, txmsg), ^ include/linux/wait.h:275:7: note: in definition of macro '___wait_event' if (condition) \ ^~~~~~~~~ include/linux/wait.h:354:20: note: in expansion of macro '___wait_cond_timeout' ___wait_event(wq, ___wait_cond_timeout(condition), \ ^~~~~~~~~~~~~~~~~~~~ include/linux/wait.h:382:11: note: in expansion of macro '__wait_event_timeout' __ret = __wait_event_timeout(wq, condition, timeout); \ ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:764:8: note: in expansion of macro 'wait_event_timeout' ret = wait_event_timeout(mgr->tx_waitq, ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:743:13: note: expected 'struct drm_dp_sideband_msg_tx *' but argument is of type 'struct drm_dp_sideband_msg_tx *' static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:769:12: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_tx' if (txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT) { ^~ drivers/gpu/drm/drm_dp_mst_topology.c:769:23: error: 'DRM_DP_SIDEBAND_TX_TIMEOUT' undeclared (first use in this function); did you mean 'MAX_SCHEDULE_TIMEOUT'? if (txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT) { ^~~~~~~~~~~~~~~~~~~~~~~~~~ MAX_SCHEDULE_TIMEOUT drivers/gpu/drm/drm_dp_mst_topology.c:780:23: error: 'DRM_DP_SIDEBAND_TX_QUEUED' undeclared (first use in this function); did you mean 'DRM_DP_SIDEBAND_TX_TIMEOUT'? if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED || ^~~~~~~~~~~~~~~~~~~~~~~~~ DRM_DP_SIDEBAND_TX_TIMEOUT drivers/gpu/drm/drm_dp_mst_topology.c:781:23: error: 'DRM_DP_SIDEBAND_TX_START_SEND' undeclared (first use in this function); did you mean 'DRM_DP_SIDEBAND_TX_QUEUED'? txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DRM_DP_SIDEBAND_TX_QUEUED drivers/gpu/drm/drm_dp_mst_topology.c:786:23: error: 'DRM_DP_SIDEBAND_TX_SENT' undeclared (first use in this function); did you mean 'DRM_DP_SIDEBAND_TX_QUEUED'? txmsg->state == DRM_DP_SIDEBAND_TX_SENT) { ^~~~~~~~~~~~~~~~~~~~~~~ DRM_DP_SIDEBAND_TX_QUEUED drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_add_mst_branch_device': drivers/gpu/drm/drm_dp_mst_topology.c:800:9: error: implicit declaration of function 'kzalloc'; did you mean 'd_alloc'? [-Werror=implicit-function-declaration] mstb = kzalloc(sizeof(*mstb), GFP_KERNEL); ^~~~~~~ d_alloc drivers/gpu/drm/drm_dp_mst_topology.c:800:24: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_branch' mstb = kzalloc(sizeof(*mstb), GFP_KERNEL); ^~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:808:2: error: implicit declaration of function 'kref_init'; did you mean 'cred_init'? [-Werror=implicit-function-declaration] kref_init(&mstb->kref); ^~~~~~~~~ cred_init drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:812:41: warning: 'struct kref' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_free_mst_port(struct kref *kref); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:814:50: warning: 'struct kref' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_free_mst_branch_device(struct kref *kref) ^~~~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_free_mst_branch_device': const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:816:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ include/linux/kernel.h:837:48: note: (near initialization for 'mstb') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:816:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ In file included from include/linux/compiler.h:74:0, from include/linux/linkage.h:4, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_dp_mst_topology.c:23: include/linux/compiler-gcc.h:182:2: error: invalid use of undefined type 'struct drm_dp_mst_branch' __builtin_offsetof(a, b) ^ include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:838:29: note: in expansion of macro 'offsetof' (type *)( (char *)__mptr - offsetof(type,member) );}) ^~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:816:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:819:4: error: implicit declaration of function 'kref_put'; did you mean 'key_put'? [-Werror=implicit-function-declaration] kref_put(&mstb->port_parent->kref, drm_dp_free_mst_port); ^~~~~~~~ key_put drivers/gpu/drm/drm_dp_mst_topology.c:821:2: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration] kfree(mstb); ^~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:824:53: warning: 'struct kref' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_destroy_mst_branch_device(struct kref *kref) ^~~~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_destroy_mst_branch_device': const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:826:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ include/linux/kernel.h:837:48: note: (near initialization for 'mstb') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:826:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ In file included from include/linux/compiler.h:74:0, from include/linux/linkage.h:4, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_dp_mst_topology.c:23: include/linux/compiler-gcc.h:182:2: error: invalid use of undefined type 'struct drm_dp_mst_branch' __builtin_offsetof(a, b) ^ include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:838:29: note: in expansion of macro 'offsetof' (type *)( (char *)__mptr - offsetof(type,member) );}) ^~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:826:35: note: in expansion of macro 'container_of' struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); ^~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:837:3: error: implicit declaration of function 'kref_get'; did you mean 'key_get'? [-Werror=implicit-function-declaration] kref_get(&mstb->port_parent->kref); ^~~~~~~~ key_get In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: include/linux/list.h:554:43: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' for (pos = list_first_entry(head, typeof(*pos), member), \ include/linux/kernel.h:837:18: note: in definition of macro 'container_of' const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^~~~ include/linux/list.h:393:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/list.h:554:13: note: in expansion of macro 'list_first_entry' for (pos = list_first_entry(head, typeof(*pos), member), \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:844:2: note: in expansion of macro 'list_for_each_entry_safe' list_for_each_entry_safe(port, tmp, &mstb->ports, next) { ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/preempt.h:10:0, from include/linux/spinlock.h:50, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/sched.h:19, from drivers/gpu/drm/drm_dp_mst_topology.c:27: include/linux/list.h:554:57: warning: left-hand operand of comma expression has no effect [-Wunused-value] for (pos = list_first_entry(head, typeof(*pos), member), \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:844:2: note: in expansion of macro 'list_for_each_entry_safe' list_for_each_entry_safe(port, tmp, &mstb->ports, next) { ^~~~~~~~~~~~~~~~~~~~~~~~ drm_dp_put_port(port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:44:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_put_port(struct drm_dp_mst_port *port); ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:852:30: error: 'DRM_DP_SIDEBAND_TX_TIMEOUT' undeclared (first use in this function); did you mean 'MAX_SCHEDULE_TIMEOUT'? mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT; ^~~~~~~~~~~~~~~~~~~~~~~~~~ MAX_SCHEDULE_TIMEOUT drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:875:45: warning: 'struct drm_dp_mst_port' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_port_teardown_pdt': drivers/gpu/drm/drm_dp_mst_topology.c:880:7: error: 'DP_PEER_DEVICE_DP_LEGACY_CONV' undeclared (first use in this function) case DP_PEER_DEVICE_DP_LEGACY_CONV: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:881:7: error: 'DP_PEER_DEVICE_SST_SINK' undeclared (first use in this function); did you mean 'DP_PEER_DEVICE_DP_LEGACY_CONV'? case DP_PEER_DEVICE_SST_SINK: ^~~~~~~~~~~~~~~~~~~~~~~ DP_PEER_DEVICE_DP_LEGACY_CONV drivers/gpu/drm/drm_dp_mst_topology.c:883:38: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' drm_dp_mst_unregister_i2c_bus(&port->aux); ^~ drivers/gpu/drm/drm_dp_mst_topology.c:885:7: error: 'DP_PEER_DEVICE_MST_BRANCHING' undeclared (first use in this function); did you mean 'DP_PEER_DEVICE_SST_SINK'? case DP_PEER_DEVICE_MST_BRANCHING: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ DP_PEER_DEVICE_SST_SINK drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:893:40: warning: 'struct kref' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_destroy_port(struct kref *kref) ^~~~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_destroy_port': include/linux/kernel.h:837:27: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:895:33: note: in expansion of macro 'container_of' struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); ^~~~~~~~~~~~ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:895:33: note: in expansion of macro 'container_of' struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); ^~~~~~~~~~~~ include/linux/kernel.h:837:48: note: (near initialization for 'port') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:895:33: note: in expansion of macro 'container_of' struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); ^~~~~~~~~~~~ In file included from include/linux/compiler.h:74:0, from include/linux/linkage.h:4, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_dp_mst_topology.c:23: include/linux/compiler-gcc.h:182:2: error: invalid use of undefined type 'struct drm_dp_mst_port' __builtin_offsetof(a, b) ^ include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:838:29: note: in expansion of macro 'offsetof' (type *)( (char *)__mptr - offsetof(type,member) );}) ^~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:895:33: note: in expansion of macro 'container_of' struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); ^~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c:913:19: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->destroy_connector_lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drm_dp_port_teardown_pdt(port, port->pdt); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:875:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt) ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:923:15: error: 'DP_PEER_DEVICE_NONE' undeclared (first use in this function); did you mean 'DPM_ORDER_NONE'? port->pdt = DP_PEER_DEVICE_NONE; ^~~~~~~~~~~~~~~~~~~ DPM_ORDER_NONE drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:928:36: warning: 'struct drm_dp_mst_port' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_put_port(struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:928:13: error: conflicting types for 'drm_dp_put_port' static void drm_dp_put_port(struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:44:13: note: previous declaration of 'drm_dp_put_port' was here static void drm_dp_put_port(struct drm_dp_mst_port *port); ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_put_port': drivers/gpu/drm/drm_dp_mst_topology.c:930:16: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' kref_put(&port->kref, drm_dp_destroy_port); ^~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_get_validated_mstb_ref_locked': include/linux/list.h:480:43: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' for (pos = list_first_entry(head, typeof(*pos), member); \ include/linux/kernel.h:837:18: note: in definition of macro 'container_of' const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^~~~ include/linux/list.h:393:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/list.h:480:13: note: in expansion of macro 'list_first_entry' for (pos = list_first_entry(head, typeof(*pos), member); \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:941:2: note: in expansion of macro 'list_for_each_entry' list_for_each_entry(port, &mstb->ports, next) { ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:951:71: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static struct drm_dp_mst_branch *drm_dp_get_validated_mstb_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_branch *mstb) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_get_validated_mstb_ref': drivers/gpu/drm/drm_dp_mst_topology.c:954:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_get_port_ref_locked': include/linux/list.h:480:43: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_port' for (pos = list_first_entry(head, typeof(*pos), member); \ include/linux/kernel.h:837:18: note: in definition of macro 'container_of' const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^~~~ include/linux/list.h:393:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/list.h:480:13: note: in expansion of macro 'list_first_entry' for (pos = list_first_entry(head, typeof(*pos), member); \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:965:2: note: in expansion of macro 'list_for_each_entry' list_for_each_entry(port, &mstb->ports, next) { ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:979:69: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_get_validated_port_ref': drivers/gpu/drm/drm_dp_mst_topology.c:982:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_port_setup_pdt': drivers/gpu/drm/drm_dp_mst_topology.c:1033:7: error: 'DP_PEER_DEVICE_DP_LEGACY_CONV' undeclared (first use in this function) case DP_PEER_DEVICE_DP_LEGACY_CONV: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1034:7: error: 'DP_PEER_DEVICE_SST_SINK' undeclared (first use in this function); did you mean 'DP_PEER_DEVICE_DP_LEGACY_CONV'? case DP_PEER_DEVICE_SST_SINK: ^~~~~~~~~~~~~~~~~~~~~~~ DP_PEER_DEVICE_DP_LEGACY_CONV drivers/gpu/drm/drm_dp_mst_topology.c:1038:7: error: 'DP_PEER_DEVICE_MST_BRANCHING' undeclared (first use in this function); did you mean 'DP_PEER_DEVICE_SST_SINK'? case DP_PEER_DEVICE_MST_BRANCHING: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ DP_PEER_DEVICE_SST_SINK drivers/gpu/drm/drm_dp_mst_topology.c:1029:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_check_mstb_guid': drivers/gpu/drm/drm_dp_mst_topology.c:1064:6: error: 'DP_GUID' undeclared (first use in this function); did you mean 'AT_EUID'? DP_GUID, ^~~~~~~ AT_EUID drivers/gpu/drm/drm_dp_mst_topology.c:1069:10: error: implicit declaration of function 'drm_dp_dpcd_write'; did you mean 'build_dpcd_write'? [-Werror=implicit-function-declaration] ret = drm_dp_dpcd_write( ^~~~~~~~~~~~~~~~~ build_dpcd_write drivers/gpu/drm/drm_dp_mst_topology.c:1055:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'build_mst_prop_path': drivers/gpu/drm/drm_dp_mst_topology.c:1085:50: error: dereferencing pointer to incomplete type 'const struct drm_dp_mst_branch' snprintf(proppath, proppath_size, "mst:%d", mstb->mgr->conn_base_id); ^~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1098:15: warning: 'struct drm_dp_link_addr_reply_port' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_link_addr_reply_port *port_msg) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_add_port': drivers/gpu/drm/drm_dp_mst_topology.c:1105:39: error: dereferencing pointer to incomplete type 'struct drm_dp_link_addr_reply_port' port = drm_dp_get_port(mstb, port_msg->port_number); ^~ drm_dp_send_enum_path_resources(mstb->mgr, mstb, port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:56:12: note: expected 'struct drm_dp_mst_branch *' but argument is of type 'struct drm_dp_mst_branch *' static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1143:54: error: passing argument 3 of 'drm_dp_send_enum_path_resources' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_send_enum_path_resources(mstb->mgr, mstb, port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:56:12: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1150:28: error: passing argument 1 of 'drm_dp_port_teardown_pdt' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_port_teardown_pdt(port, old_pdt); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:875:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt) ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1168:20: error: passing argument 1 of 'drm_dp_put_port' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_put_port(port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:928:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_put_port(struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1171:21: error: 'DP_PEER_DEVICE_DP_LEGACY_CONV' undeclared (first use in this function) if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV || ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1172:21: error: 'DP_PEER_DEVICE_SST_SINK' undeclared (first use in this function); did you mean 'DP_PEER_DEVICE_DP_LEGACY_CONV'? port->pdt == DP_PEER_DEVICE_SST_SINK) && ^~~~~~~~~~~~~~~~~~~~~~~ DP_PEER_DEVICE_DP_LEGACY_CONV drivers/gpu/drm/drm_dp_mst_topology.c:1173:25: error: 'DP_MST_LOGICAL_PORT_0' undeclared (first use in this function) port->port_num >= DP_MST_LOGICAL_PORT_0) { ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1174:24: error: implicit declaration of function 'drm_get_edid'; did you mean 'drm_fixp_div'? [-Werror=implicit-function-declaration] port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc); ^~~~~~~~~~~~ drm_fixp_div drivers/gpu/drm/drm_dp_mst_topology.c:1175:4: error: implicit declaration of function 'drm_mode_connector_set_tile_property' [-Werror=implicit-function-declaration] drm_mode_connector_set_tile_property(port->connector); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1182:18: error: passing argument 1 of 'drm_dp_put_port' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_put_port(port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:928:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_put_port(struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1186:18: warning: 'struct drm_dp_connection_status_notify' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_connection_status_notify *conn_stat) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_update_port': drivers/gpu/drm/drm_dp_mst_topology.c:1192:40: error: dereferencing pointer to incomplete type 'struct drm_dp_connection_status_notify' port = drm_dp_get_port(mstb, conn_stat->port_number); ^~ drivers/gpu/drm/drm_dp_mst_topology.c:1211:28: error: passing argument 1 of 'drm_dp_port_teardown_pdt' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_port_teardown_pdt(port, old_pdt); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:875:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_port_teardown_pdt(struct drm_dp_mst_port *port, int old_pdt) ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1217:18: error: passing argument 1 of 'drm_dp_put_port' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_put_port(port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:928:13: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static void drm_dp_put_port(struct drm_dp_mst_port *port) ^~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1223:70: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static struct drm_dp_mst_branch *drm_dp_get_mst_branch_device(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_get_mst_branch_device': drivers/gpu/drm/drm_dp_mst_topology.c:1231:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1284:9: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/mmu.h:5:0, from include/linux/mm_types.h:17, from include/linux/sched.h:27, from drivers/gpu/drm/drm_dp_mst_topology.c:27: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_get_mst_branch_device_by_guid': drivers/gpu/drm/drm_dp_mst_topology.c:1290:17: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' mutex_lock(&mgr->lock); ^ include/linux/mutex.h:146:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1301:55: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_check_and_send_link_address': drm_dp_send_link_address(mgr, mstb); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:54:13: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1307:33: error: passing argument 2 of 'drm_dp_send_link_address' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_send_link_address(mgr, mstb); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:54:13: note: expected 'struct drm_dp_mst_branch *' but argument is of type 'struct drm_dp_mst_branch *' static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1317:36: error: passing argument 1 of 'drm_dp_send_enum_path_resources' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_send_enum_path_resources(mgr, mstb, port); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:56:12: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1317:41: error: passing argument 2 of 'drm_dp_send_enum_path_resources' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_send_enum_path_resources(mgr, mstb, port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:56:12: note: expected 'struct drm_dp_mst_branch *' but argument is of type 'struct drm_dp_mst_branch *' static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1317:47: error: passing argument 3 of 'drm_dp_send_enum_path_resources' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_send_enum_path_resources(mgr, mstb, port); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c:56:12: note: expected 'struct drm_dp_mst_port *' but argument is of type 'struct drm_dp_mst_port *' static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mstb_child = drm_dp_get_validated_mstb_ref(mgr, port->mstb); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:951:34: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static struct drm_dp_mst_branch *drm_dp_get_validated_mstb_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_branch *mstb) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_link_probe_work': include/linux/kernel.h:837:27: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:1331:40: note: in expansion of macro 'container_of' struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, work); ^~~~~~~~~~~~ include/linux/kernel.h:837:48: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:1331:40: note: in expansion of macro 'container_of' struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, work); ^~~~~~~~~~~~ include/linux/kernel.h:837:48: note: (near initialization for 'mgr') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/gpu/drm/drm_dp_mst_topology.c:1331:40: note: in expansion of macro 'container_of' struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, work); ^~~~~~~~~~~~ In file included from include/linux/compiler.h:74:0, from include/linux/linkage.h:4, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_dp_mst_topology.c:23: include/linux/compiler-gcc.h:182:2: error: invalid use of undefined type 'struct drm_dp_mst_topology_mgr' __builtin_offsetof(a, b) ^ include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:838:29: note: in expansion of macro 'offsetof' (type *)( (char *)__mptr - offsetof(type,member) );}) ^~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1331:40: note: in expansion of macro 'container_of' struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, work); ^~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1341:38: error: passing argument 1 of 'drm_dp_check_and_send_link_address' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_dp_check_and_send_link_address(mgr, mstb); ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:1301:13: note: expected 'struct drm_dp_mst_topology_mgr *' but argument is of type 'struct drm_dp_mst_topology_mgr *' static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1346:41: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1346:13: error: conflicting types for 'drm_dp_validate_guid' static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:59:13: note: previous declaration of 'drm_dp_validate_guid' was here static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1375:44: warning: 'struct drm_dp_mst_topology_mgr' declared inside parameter list will not be visible outside of this definition or declaration static int drm_dp_send_sideband_msg(struct drm_dp_mst_topology_mgr *mgr, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_send_sideband_msg': drivers/gpu/drm/drm_dp_mst_topology.c:1379:21: error: 'DP_SIDEBAND_MSG_UP_REP_BASE' undeclared (first use in this function) int regbase = up ? DP_SIDEBAND_MSG_UP_REP_BASE : DP_SIDEBAND_MSG_DOWN_REQ_BASE; ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1379:51: error: 'DP_SIDEBAND_MSG_DOWN_REQ_BASE' undeclared (first use in this function); did you mean 'DP_SIDEBAND_MSG_UP_REP_BASE'? int regbase = up ? DP_SIDEBAND_MSG_UP_REP_BASE : DP_SIDEBAND_MSG_DOWN_REQ_BASE; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DP_SIDEBAND_MSG_UP_REP_BASE In file included from drivers/gpu/drm/drm_dp_mst_topology.c:23:0: drivers/gpu/drm/drm_dp_mst_topology.c:1387:20: error: dereferencing pointer to incomplete type 'struct drm_dp_mst_topology_mgr' tosend = min3(mgr->max_dpcd_transaction_bytes, 16, total); ^ include/linux/kernel.h:738:2: note: in definition of macro '__min' t1 min1 = (x); \ ^~ include/linux/kernel.h:757:23: note: in expansion of macro 'min' #define min3(x, y, z) min((typeof(x))min(x, y), z) ^~~ drivers/gpu/drm/drm_dp_mst_topology.c:1387:12: note: in expansion of macro 'min3' tosend = min3(mgr->max_dpcd_transaction_bytes, 16, total); ^~~~ drivers/gpu/drm/drm_dp_mst_topology.c: At top level: drivers/gpu/drm/drm_dp_mst_topology.c:1408:14: warning: 'struct drm_dp_sideband_msg_tx' declared inside parameter list will not be visible outside of this definition or declaration struct drm_dp_sideband_msg_tx *txmsg) ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1407:42: warning: 'struct drm_dp_sideband_msg_hdr' declared inside parameter list will not be visible outside of this definition or declaration static int set_hdr_from_dst_qlock(struct drm_dp_sideband_msg_hdr *hdr, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c: In function 'set_hdr_from_dst_qlock': drivers/gpu/drm/drm_dp_mst_topology.c:1410:40: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_tx' struct drm_dp_mst_branch *mstb = txmsg->dst; ^~ drivers/gpu/drm/drm_dp_mst_topology.c:1430:18: error: 'DP_CONNECTION_STATUS_NOTIFY' undeclared (first use in this function) if (req_type == DP_CONNECTION_STATUS_NOTIFY || ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_mst_topology.c:1431:15: error: 'DP_RESOURCE_STATUS_NOTIFY' undeclared (first use in this function); did you mean 'DP_CONNECTION_STATUS_NOTIFY'? req_type == DP_RESOURCE_STATUS_NOTIFY) ^~~~~~~~~~~~~~~~~~~~~~~~~ DP_CONNECTION_STATUS_NOTIFY drivers/gpu/drm/drm_dp_mst_topology.c:1432:6: error: dereferencing pointer to incomplete type 'struct drm_dp_sideband_msg_hdr' vim +/drm_dp_sideband_parse_link_address +554 drivers/gpu/drm/drm_dp_mst_topology.c ad7f8a1f9ced7f Dave Airlie 2014-06-05 537 ad7f8a1f9ced7f Dave Airlie 2014-06-05 538 static bool drm_dp_sideband_parse_reply(struct drm_dp_sideband_msg_rx *raw, ad7f8a1f9ced7f Dave Airlie 2014-06-05 539 struct drm_dp_sideband_msg_reply_body *msg) ad7f8a1f9ced7f Dave Airlie 2014-06-05 540 { ad7f8a1f9ced7f Dave Airlie 2014-06-05 541 memset(msg, 0, sizeof(*msg)); ad7f8a1f9ced7f Dave Airlie 2014-06-05 542 msg->reply_type = (raw->msg[0] & 0x80) >> 7; ad7f8a1f9ced7f Dave Airlie 2014-06-05 543 msg->req_type = (raw->msg[0] & 0x7f); ad7f8a1f9ced7f Dave Airlie 2014-06-05 544 ad7f8a1f9ced7f Dave Airlie 2014-06-05 545 if (msg->reply_type) { ad7f8a1f9ced7f Dave Airlie 2014-06-05 546 memcpy(msg->u.nak.guid, &raw->msg[1], 16); ad7f8a1f9ced7f Dave Airlie 2014-06-05 547 msg->u.nak.reason = raw->msg[17]; ad7f8a1f9ced7f Dave Airlie 2014-06-05 548 msg->u.nak.nak_data = raw->msg[18]; ad7f8a1f9ced7f Dave Airlie 2014-06-05 549 return false; ad7f8a1f9ced7f Dave Airlie 2014-06-05 550 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 551 ad7f8a1f9ced7f Dave Airlie 2014-06-05 552 switch (msg->req_type) { ad7f8a1f9ced7f Dave Airlie 2014-06-05 553 case DP_LINK_ADDRESS: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @554 return drm_dp_sideband_parse_link_address(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 555 case DP_QUERY_PAYLOAD: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @556 return drm_dp_sideband_parse_query_payload_ack(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 557 case DP_REMOTE_DPCD_READ: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @558 return drm_dp_sideband_parse_remote_dpcd_read(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 559 case DP_REMOTE_DPCD_WRITE: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @560 return drm_dp_sideband_parse_remote_dpcd_write(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 561 case DP_REMOTE_I2C_READ: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @562 return drm_dp_sideband_parse_remote_i2c_read_ack(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 563 case DP_ENUM_PATH_RESOURCES: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @564 return drm_dp_sideband_parse_enum_path_resources_ack(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 565 case DP_ALLOCATE_PAYLOAD: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @566 return drm_dp_sideband_parse_allocate_payload_ack(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 567 default: ad7f8a1f9ced7f Dave Airlie 2014-06-05 568 DRM_ERROR("Got unknown reply 0x%02x\n", msg->req_type); ad7f8a1f9ced7f Dave Airlie 2014-06-05 569 return false; ad7f8a1f9ced7f Dave Airlie 2014-06-05 570 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 571 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 572 ad7f8a1f9ced7f Dave Airlie 2014-06-05 573 static bool drm_dp_sideband_parse_connection_status_notify(struct drm_dp_sideband_msg_rx *raw, ad7f8a1f9ced7f Dave Airlie 2014-06-05 574 struct drm_dp_sideband_msg_req_body *msg) ad7f8a1f9ced7f Dave Airlie 2014-06-05 575 { ad7f8a1f9ced7f Dave Airlie 2014-06-05 576 int idx = 1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 577 ad7f8a1f9ced7f Dave Airlie 2014-06-05 578 msg->u.conn_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ad7f8a1f9ced7f Dave Airlie 2014-06-05 579 idx++; ad7f8a1f9ced7f Dave Airlie 2014-06-05 580 if (idx > raw->curlen) ad7f8a1f9ced7f Dave Airlie 2014-06-05 581 goto fail_len; ad7f8a1f9ced7f Dave Airlie 2014-06-05 582 ad7f8a1f9ced7f Dave Airlie 2014-06-05 583 memcpy(msg->u.conn_stat.guid, &raw->msg[idx], 16); ad7f8a1f9ced7f Dave Airlie 2014-06-05 584 idx += 16; ad7f8a1f9ced7f Dave Airlie 2014-06-05 585 if (idx > raw->curlen) ad7f8a1f9ced7f Dave Airlie 2014-06-05 586 goto fail_len; ad7f8a1f9ced7f Dave Airlie 2014-06-05 587 ad7f8a1f9ced7f Dave Airlie 2014-06-05 588 msg->u.conn_stat.legacy_device_plug_status = (raw->msg[idx] >> 6) & 0x1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 589 msg->u.conn_stat.displayport_device_plug_status = (raw->msg[idx] >> 5) & 0x1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 590 msg->u.conn_stat.message_capability_status = (raw->msg[idx] >> 4) & 0x1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 591 msg->u.conn_stat.input_port = (raw->msg[idx] >> 3) & 0x1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 592 msg->u.conn_stat.peer_device_type = (raw->msg[idx] & 0x7); ad7f8a1f9ced7f Dave Airlie 2014-06-05 593 idx++; ad7f8a1f9ced7f Dave Airlie 2014-06-05 594 return true; ad7f8a1f9ced7f Dave Airlie 2014-06-05 595 fail_len: ad7f8a1f9ced7f Dave Airlie 2014-06-05 596 DRM_DEBUG_KMS("connection status reply parse length fail %d %d\n", idx, raw->curlen); ad7f8a1f9ced7f Dave Airlie 2014-06-05 597 return false; ad7f8a1f9ced7f Dave Airlie 2014-06-05 598 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 599 ad7f8a1f9ced7f Dave Airlie 2014-06-05 600 static bool drm_dp_sideband_parse_resource_status_notify(struct drm_dp_sideband_msg_rx *raw, ad7f8a1f9ced7f Dave Airlie 2014-06-05 601 struct drm_dp_sideband_msg_req_body *msg) ad7f8a1f9ced7f Dave Airlie 2014-06-05 602 { ad7f8a1f9ced7f Dave Airlie 2014-06-05 603 int idx = 1; ad7f8a1f9ced7f Dave Airlie 2014-06-05 604 ad7f8a1f9ced7f Dave Airlie 2014-06-05 605 msg->u.resource_stat.port_number = (raw->msg[idx] & 0xf0) >> 4; ad7f8a1f9ced7f Dave Airlie 2014-06-05 606 idx++; ad7f8a1f9ced7f Dave Airlie 2014-06-05 607 if (idx > raw->curlen) ad7f8a1f9ced7f Dave Airlie 2014-06-05 608 goto fail_len; ad7f8a1f9ced7f Dave Airlie 2014-06-05 609 ad7f8a1f9ced7f Dave Airlie 2014-06-05 610 memcpy(msg->u.resource_stat.guid, &raw->msg[idx], 16); ad7f8a1f9ced7f Dave Airlie 2014-06-05 611 idx += 16; ad7f8a1f9ced7f Dave Airlie 2014-06-05 612 if (idx > raw->curlen) ad7f8a1f9ced7f Dave Airlie 2014-06-05 613 goto fail_len; ad7f8a1f9ced7f Dave Airlie 2014-06-05 614 ad7f8a1f9ced7f Dave Airlie 2014-06-05 615 msg->u.resource_stat.available_pbn = (raw->msg[idx] << 8) | (raw->msg[idx + 1]); ad7f8a1f9ced7f Dave Airlie 2014-06-05 616 idx++; ad7f8a1f9ced7f Dave Airlie 2014-06-05 617 return true; ad7f8a1f9ced7f Dave Airlie 2014-06-05 618 fail_len: ad7f8a1f9ced7f Dave Airlie 2014-06-05 619 DRM_DEBUG_KMS("resource status reply parse length fail %d %d\n", idx, raw->curlen); ad7f8a1f9ced7f Dave Airlie 2014-06-05 620 return false; ad7f8a1f9ced7f Dave Airlie 2014-06-05 621 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 622 ad7f8a1f9ced7f Dave Airlie 2014-06-05 623 static bool drm_dp_sideband_parse_req(struct drm_dp_sideband_msg_rx *raw, ad7f8a1f9ced7f Dave Airlie 2014-06-05 624 struct drm_dp_sideband_msg_req_body *msg) ad7f8a1f9ced7f Dave Airlie 2014-06-05 625 { ad7f8a1f9ced7f Dave Airlie 2014-06-05 626 memset(msg, 0, sizeof(*msg)); ad7f8a1f9ced7f Dave Airlie 2014-06-05 627 msg->req_type = (raw->msg[0] & 0x7f); ad7f8a1f9ced7f Dave Airlie 2014-06-05 628 ad7f8a1f9ced7f Dave Airlie 2014-06-05 629 switch (msg->req_type) { ad7f8a1f9ced7f Dave Airlie 2014-06-05 630 case DP_CONNECTION_STATUS_NOTIFY: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @631 return drm_dp_sideband_parse_connection_status_notify(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 632 case DP_RESOURCE_STATUS_NOTIFY: ad7f8a1f9ced7f Dave Airlie 2014-06-05 @633 return drm_dp_sideband_parse_resource_status_notify(raw, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 634 default: ad7f8a1f9ced7f Dave Airlie 2014-06-05 635 DRM_ERROR("Got unknown request 0x%02x\n", msg->req_type); ad7f8a1f9ced7f Dave Airlie 2014-06-05 636 return false; ad7f8a1f9ced7f Dave Airlie 2014-06-05 637 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 638 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 639 ad7f8a1f9ced7f Dave Airlie 2014-06-05 640 static int build_dpcd_write(struct drm_dp_sideband_msg_tx *msg, u8 port_num, u32 offset, u8 num_bytes, u8 *bytes) ad7f8a1f9ced7f Dave Airlie 2014-06-05 641 { ad7f8a1f9ced7f Dave Airlie 2014-06-05 642 struct drm_dp_sideband_msg_req_body req; ad7f8a1f9ced7f Dave Airlie 2014-06-05 643 ad7f8a1f9ced7f Dave Airlie 2014-06-05 644 req.req_type = DP_REMOTE_DPCD_WRITE; ad7f8a1f9ced7f Dave Airlie 2014-06-05 645 req.u.dpcd_write.port_number = port_num; ad7f8a1f9ced7f Dave Airlie 2014-06-05 646 req.u.dpcd_write.dpcd_address = offset; ad7f8a1f9ced7f Dave Airlie 2014-06-05 647 req.u.dpcd_write.num_bytes = num_bytes; ad7f8a1f9ced7f Dave Airlie 2014-06-05 648 req.u.dpcd_write.bytes = bytes; ad7f8a1f9ced7f Dave Airlie 2014-06-05 @649 drm_dp_encode_sideband_req(&req, msg); ad7f8a1f9ced7f Dave Airlie 2014-06-05 650 ad7f8a1f9ced7f Dave Airlie 2014-06-05 651 return 0; ad7f8a1f9ced7f Dave Airlie 2014-06-05 652 } ad7f8a1f9ced7f Dave Airlie 2014-06-05 653 :::::: The code at line 554 was first introduced by commit :::::: ad7f8a1f9ced7f049f9b66d588723f243a7034cd drm/helper: add Displayport multi-stream helper (v0.6) :::::: TO: Dave Airlie <airlied(a)redhat.com&gt; :::::: CC: Dave Airlie <airlied(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org