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Commit 08e1413d authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

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



Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent c40c0f5b

drivers/gpu/drm/i915/i915_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

		}