drm/i915: Use BUG() in a case of a programming error

The port number should always be correctly set. Do the same thing as the
switch above and use BUG() to signal that branch is not supposed to be
taken.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 662a185274e686eb89e735255cdf3b46deb5ad5b..2f2ec42a417af282f750459df85e1463f3bc59ed 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2836,8 +2836,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
                name = "DPDDC-D";
                break;
        default:
-               WARN(1, "Invalid port %c\n", port_name(port));
-               break;
+               BUG();
        }
 
        if (is_edp(intel_dp))