drm/i915: WARN when LPT-LP is not paired with ULT CPU

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-04-12 18:16:54 -03:00 committed by Daniel Vetter
parent c40c0f5bd5
commit 08e1413d95
1 changed files with 2 additions and 0 deletions

View File

@ -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);
}