[PATCH 14/16] drm/amd/display: Add interface to modify DMUB panel power options

[Alex Hung]

From: Paul Hsieh <paul.hsieh at amd.com>

[Why]
This option can vary depending on the panel and may be required to be
called during sink detection phase before transmitter control.

[How]
Allow modify the bit depending on the eDP panel connected with a new
interface.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Acked-by: Alex Hung <alex.hung at amd.com>
Signed-off-by: Paul Hsieh <paul.hsieh at amd.com>
---
 drivers/gpu/drm/amd/display/dmub/dmub_srv.h     |  3 +++
 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index 53bd9bf8f0c8..2d995c87fbb9 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -785,6 +785,9 @@ enum dmub_status dmub_srv_get_fw_boot_option(struct dmub_srv *dmub,
 enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub,
 					      union dmub_rb_cmd *cmd);
 
+enum dmub_status dmub_srv_set_skip_panel_power_sequence(struct dmub_srv *dmub,
+					     bool skip);
+
 bool dmub_srv_get_outbox0_msg(struct dmub_srv *dmub, struct dmcub_trace_buf_entry *entry);
 
 bool dmub_srv_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data);
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 70af110af687..93624ffe4eb8 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -861,6 +861,18 @@ enum dmub_status dmub_srv_get_fw_boot_option(struct dmub_srv *dmub,
 	return DMUB_STATUS_OK;
 }
 
+enum dmub_status dmub_srv_set_skip_panel_power_sequence(struct dmub_srv *dmub,
+					     bool skip)
+{
+	if (!dmub->sw_init)
+		return DMUB_STATUS_INVALID;
+
+	if (dmub->hw_funcs.skip_dmub_panel_power_sequence && !dmub->is_virtual)
+		dmub->hw_funcs.skip_dmub_panel_power_sequence(dmub, skip);
+
+	return DMUB_STATUS_OK;
+}
+
 enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub,
 					      union dmub_rb_cmd *cmd)
 {
-- 
2.41.0