[Intel-gfx] [PATCH 02/37] drm/i915: add support for LynxPoint PCH

[Eugeni Dodonov]

Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.c |    4 ++++
 drivers/gpu/drm/i915/i915_drv.h |    2 ++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d4f542b..5fe9d62 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -326,6 +326,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 #define INTEL_PCH_IBX_DEVICE_ID_TYPE	0x3b00
 #define INTEL_PCH_CPT_DEVICE_ID_TYPE	0x1c00
 #define INTEL_PCH_PPT_DEVICE_ID_TYPE	0x1e00
+#define INTEL_PCH_LPT_DEVICE_ID_TYPE	0x8c00
 
 void intel_detect_pch(struct drm_device *dev)
 {
@@ -354,6 +355,9 @@ void intel_detect_pch(struct drm_device *dev)
 				/* PantherPoint is CPT compatible */
 				dev_priv->pch_type = PCH_CPT;
 				DRM_DEBUG_KMS("Found PatherPoint PCH\n");
+			} else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
+				dev_priv->pch_type = PCH_LPT;
+				DRM_DEBUG_KMS("Found LynxPoint PCH\n");
 			}
 		}
 		pci_dev_put(pch);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9a99ef1..49488e1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -292,6 +292,7 @@ enum no_fbc_reason {
 enum intel_pch {
 	PCH_IBX,	/* Ibexpeak PCH */
 	PCH_CPT,	/* Cougarpoint PCH */
+	PCH_LPT,	/* Lynxpoint PCH */
 };
 
 #define QUIRK_PIPEA_FORCE (1<<0)
@@ -1050,6 +1051,7 @@ struct drm_i915_file_private {
 #define HAS_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5)
 
 #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
+#define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
 #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
 
-- 
1.7.9.2