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Code Issues Releases Wiki Activity

drm/amd/display: Implement INBOX0 usage in driver

Browse source 
[Why]
Start using INBOX0 for HW Lock command

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

Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2021-05-10 10:11:46 -04:00 committed by Alex Deucher
parent 051b788718
commit f2973d2a41
5 changed files with 23 additions and 0 deletions
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9
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
View file

@ -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;

2
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
View file

@ -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_ */

8
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
View file

@ -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;

3
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h
View file

@ -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_ */

1
drivers/gpu/drm/amd/display/dmub/dmub_srv.h
View file

@ -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);
};