From 08e1413d95b50b19259fe2e425885030f93c7b85 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Fri, 12 Apr 2013 18:16:54 -0300 Subject: [PATCH] drm/i915: WARN when LPT-LP is not paired with ULT CPU Signed-off-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index c413aab6eb74..9ebe895c17d6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -459,11 +459,13 @@ void intel_detect_pch(struct drm_device *dev) dev_priv->num_pch_pll = 0; DRM_DEBUG_KMS("Found LynxPoint PCH\n"); WARN_ON(!IS_HASWELL(dev)); + WARN_ON(IS_ULT(dev)); } else if (id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { dev_priv->pch_type = PCH_LPT; dev_priv->num_pch_pll = 0; DRM_DEBUG_KMS("Found LynxPoint LP PCH\n"); WARN_ON(!IS_HASWELL(dev)); + WARN_ON(!IS_ULT(dev)); } BUG_ON(dev_priv->num_pch_pll > I915_NUM_PLLS); } -- 2.39.2