[PATCH] try to fix bxt dsi, try 2?

[Maarten Lankhorst]

---
 drivers/gpu/drm/i915/i915_irq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e21ce9c18b6e..552d988bc815 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -820,6 +820,8 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
 				break;
 			}
 		}
+	} else {
+		WARN_ON(position == vtotal);
 	}
 
 	/*
-- 
2.11.0