From: Wei Shun Chang <[email protected]>

[pzanoni: rebase, print it's an LP PCH]

Signed-off-by: Paulo Zanoni <[email protected]>
---
 drivers/gpu/drm/i915/i915_drv.c |    6 ++++++
 1 file changed, 6 insertions(+)


I can't test the patch since I don't have the LP PCH.


diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index f8ba5fe..418d17c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -394,6 +394,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 #define INTEL_PCH_CPT_DEVICE_ID_TYPE   0x1c00
 #define INTEL_PCH_PPT_DEVICE_ID_TYPE   0x1e00
 #define INTEL_PCH_LPT_DEVICE_ID_TYPE   0x8c00
+#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE        0x9c00
 
 void intel_detect_pch(struct drm_device *dev)
 {
@@ -433,6 +434,11 @@ 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));
+                       } 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));
                        }
                        BUG_ON(dev_priv->num_pch_pll > I915_NUM_PLLS);
                }
-- 
1.7.10.4

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