drm/i915: BUG on impossible pch dp port

Since it is one. We need to move this code to encoder specific callbacks
eventually, to kill all that inversion of control ...

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_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8216cfb..d6cdbc6 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3096,9 +3096,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
                        temp |= TRANS_DP_PORT_SEL_D;
                        break;
                default:
-                       DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n");
-                       temp |= TRANS_DP_PORT_SEL_B;
-                       break;
+                       BUG();
                }
 
                I915_WRITE(reg, temp);