[PATCH 10/10] drm/amd/display: Implement MST Aux device registration

[sunpeng.li]

From: Leo Li <sunpeng...@amd.com>

Implement late_register and early_unregister hooks for MST connectors.
Call drm helpers for MST connector registration, which registers the
AUX devices.

Cc: Jerry Zuo <jerry....@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>
Signed-off-by: Leo Li <sunpeng...@amd.com>
---
 .../display/amdgpu_dm/amdgpu_dm_mst_types.c   | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 53d2cfe62e13..16218a202b59 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -156,6 +156,26 @@ dm_dp_mst_connector_destroy(struct drm_connector 
*connector)
        kfree(amdgpu_dm_connector);
 }
 
+static int
+amdgpu_dm_mst_connector_late_register(struct drm_connector *connector)
+{
+       struct amdgpu_dm_connector *amdgpu_dm_connector =
+               to_amdgpu_dm_connector(connector);
+       struct drm_dp_mst_port *port = amdgpu_dm_connector->port;
+
+       return drm_dp_mst_connector_late_register(connector, port);
+}
+
+static void
+amdgpu_dm_mst_connector_early_unregister(struct drm_connector *connector)
+{
+       struct amdgpu_dm_connector *amdgpu_dm_connector =
+               to_amdgpu_dm_connector(connector);
+       struct drm_dp_mst_port *port = amdgpu_dm_connector->port;
+
+       drm_dp_mst_connector_early_unregister(connector, port);
+}
+
 static const struct drm_connector_funcs dm_dp_mst_connector_funcs = {
        .detect = dm_dp_mst_detect,
        .fill_modes = drm_helper_probe_single_connector_modes,
@@ -164,7 +184,9 @@ static const struct drm_connector_funcs 
dm_dp_mst_connector_funcs = {
        .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
        .atomic_set_property = amdgpu_dm_connector_atomic_set_property,
-       .atomic_get_property = amdgpu_dm_connector_atomic_get_property
+       .atomic_get_property = amdgpu_dm_connector_atomic_get_property,
+       .late_register = amdgpu_dm_mst_connector_late_register,
+       .early_unregister = amdgpu_dm_mst_connector_early_unregister,
 };
 
 static int dm_dp_mst_get_modes(struct drm_connector *connector)
-- 
2.22.0

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