drm/amd/display: Fix a potential NULL dereference

The debug printk dereferences "link->link_enc" before we have ensured
that it is non-NULL.  Fix this potential NULL derefence by moving the
printk after the check.

Fixes: 64ff0882 ("drm/amd/display: Log link/connector info provided in BIOS object table")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_link.c

@@ -1525,13 +1525,13 @@ static bool dc_link_construct(struct dc_link *link,
 	link->link_enc =
 		link->dc->res_pool->funcs->link_enc_create(&enc_init_data);
 
-	DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
-
 	if (!link->link_enc) {
 		DC_ERROR("Failed to create link encoder!\n");
 		goto link_enc_create_fail;
 	}
 
+	DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
+
 	link->link_enc_hw_inst = link->link_enc->transmitter;
 
 	for (i = 0; i < 4; i++) {