drm/amdgpu/regs: move debugfs init into core amdgpu debugfs

In order to remove the load and unload drm callbacks,
we need to reorder the init sequence to move all the drm
debugfs file handling.  Do this for register access files.
Tested-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

@@ -1308,6 +1308,10 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
 	if (r)
 		DRM_ERROR("registering gem debugfs failed (%d).\n", r);
 
+	r = amdgpu_debugfs_regs_init(adev);
+	if (r)
+		DRM_ERROR("registering register debugfs failed (%d).\n", r);
+
 	return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
 					ARRAY_SIZE(amdgpu_debugfs_list));
 }

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -3120,10 +3120,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	} else
 		adev->ucode_sysfs_en = true;
 
-	r = amdgpu_debugfs_regs_init(adev);
-	if (r)
-		DRM_ERROR("registering register debugfs failed (%d).\n", r);
-
 	r = amdgpu_debugfs_firmware_init(adev);
 	if (r)
 		DRM_ERROR("registering firmware debugfs failed (%d).\n", r);