Commit f2973d2a authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

drm/amd/display: Implement INBOX0 usage in driver 



[Why]
Start using INBOX0 for HW Lock command

[How]
- Implement initial interface for INBOX0 HW lock message

Signed-off-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 051b7887

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

+9 −0
Original line number Diff line number Diff line
@@ -110,6 +110,15 @@ void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv) 
		DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);

}



void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv,

		union dmub_inbox0_data_register data)

{

	struct dmub_srv *dmub = dmub_srv->dmub;

	if (dmub->hw_funcs.send_inbox0_cmd)

		dmub->hw_funcs.send_inbox0_cmd(dmub, data);

	// TODO: Add wait command -- poll register for ACK

}



bool dc_dmub_srv_cmd_with_reply_data(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd)

{

	struct dmub_srv *dmub;

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h

+2 −0
Original line number Diff line number Diff line
@@ -66,4 +66,6 @@ bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_bu 


void dc_dmub_trace_event_control(struct dc *dc, bool enable);



void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv, union dmub_inbox0_data_register data);



#endif /* _DMUB_DC_SRV_H_ */

drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c

+8 −0
Original line number Diff line number Diff line
@@ -52,6 +52,14 @@ void dmub_hw_lock_mgr_cmd(struct dc_dmub_srv *dmub_srv, 
	dc_dmub_srv_wait_idle(dmub_srv);

}



void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,

		union dmub_inbox0_cmd_lock_hw hw_lock_cmd)

{

	union dmub_inbox0_data_register data = { 0 };

	data.inbox0_cmd_lock_hw = hw_lock_cmd;

	dc_dmub_srv_send_inbox0_cmd(dmub_srv, data);

}



bool should_use_dmub_lock(struct dc_link *link)

{

	return false;

drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ void dmub_hw_lock_mgr_cmd(struct dc_dmub_srv *dmub_srv, 
				union dmub_hw_lock_flags *hw_locks,

				struct dmub_hw_lock_inst_flags *inst_flags);



void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,

		union dmub_inbox0_cmd_lock_hw hw_lock_cmd);



bool should_use_dmub_lock(struct dc_link *link);



#endif /*_DMUB_HW_LOCK_MGR_H_ */

drivers/gpu/drm/amd/display/dmub/dmub_srv.h

+1 −0
Original line number Diff line number Diff line
@@ -324,6 +324,7 @@ struct dmub_srv_hw_funcs { 


	uint32_t (*get_gpint_response)(struct dmub_srv *dmub);



	void (*send_inbox0_cmd)(struct dmub_srv *dmub, union dmub_inbox0_data_register data);

	uint32_t (*get_current_time)(struct dmub_srv *dmub);

};