drm/amdgpu/display: drop unused function

This is not longer used as of the latest rework of this
code so drop it to avoid a unused function warning.

Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 68b88c9..031b7eb 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2827,24 +2827,6 @@ dm_atomic_get_new_state(struct drm_atomic_state *state)
        return NULL;
 }
 
-static struct dm_atomic_state *
-dm_atomic_get_old_state(struct drm_atomic_state *state)
-{
-       struct drm_device *dev = state->dev;
-       struct amdgpu_device *adev = dev->dev_private;
-       struct amdgpu_display_manager *dm = &adev->dm;
-       struct drm_private_obj *obj;
-       struct drm_private_state *old_obj_state;
-       int i;
-
-       for_each_old_private_obj_in_state(state, obj, old_obj_state, i) {
-               if (obj->funcs == dm->atomic_obj.funcs)
-                       return to_dm_atomic_state(old_obj_state);
-       }
-
-       return NULL;
-}
-
 static struct drm_private_state *
 dm_atomic_duplicate_state(struct drm_private_obj *obj)
 {