From: Alvin Lee <Alvin.Lee2@xxxxxxx>
[Why]
Start using INBOX0 for HW Lock command
[How]
- Implement initial interface for INBOX0 HW lock message
Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 9 +++++++++
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h | 2 ++
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 8 ++++++++
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h | 3 +++
drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 1 +
5 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index c5dc3a947020..4b2854d1d981 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -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;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
index 338f776990db..f615e3a76d01 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
@@ -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_ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
index c97ee5abc0ef..9baf8ca0a920 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
@@ -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;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h
index bc5906347493..5a72b168fb4a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h
@@ -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_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index 79ff68c13902..ed58abc5b3f9 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -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);
};
--
2.25.1
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