From: Wei Shun Chang <wei.shun.chang@intel.com>
Date: Mon, 12 Nov 2012 20:54:13 +0000 (-0200)
Subject: drm/i915: add LynxPoint-LP PCH ID
X-Git-Tag: firefly_0821_release~3680^2~1036^2~40^2~135
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ae6935ddda178f6d2b327cd9bf09add133315f15;p=firefly-linux-kernel-4.4.55.git

drm/i915: add LynxPoint-LP PCH ID

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

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index f85e8b0ec00f..a3d754dba5a9 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -401,6 +401,7 @@ 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)
 {
@@ -440,6 +441,11 @@ 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);
 		}