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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c5
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h3
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 707c3a0d1ed9..b3d2524ce7cc 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -188,6 +188,11 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
DRM_DEBUG_KMS("Found Cannon Lake LP PCH (CNP-LP)\n");
WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
return PCH_CNP;
+ case INTEL_PCH_CMP_DEVICE_ID_TYPE:
+ DRM_DEBUG_KMS("Found Comet Lake PCH (CMP)\n");
+ WARN_ON(!IS_COFFEELAKE(dev_priv));
+ /* CometPoint is CNP Compatible */
+ return PCH_CNP;
case INTEL_PCH_ICP_DEVICE_ID_TYPE:
DRM_DEBUG_KMS("Found Ice Lake PCH\n");
WARN_ON(!IS_ICELAKE(dev_priv));
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c65c2e6649df..58f038ffe6ce 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -537,7 +537,7 @@ enum intel_pch {
PCH_LPT, /* Lynxpoint/Wildcatpoint PCH */
PCH_SPT, /* Sunrisepoint PCH */
PCH_KBP, /* Kaby Lake PCH */
- PCH_CNP, /* Cannon Lake PCH */
+ PCH_CNP, /* Cannon/Comet Lake PCH */
PCH_ICP, /* Ice Lake PCH */
};
@@ -2547,6 +2547,7 @@ static inline unsigned int i915_sg_segment_size(void)
#define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA280
#define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300
#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE 0x9D80
+#define INTEL_PCH_CMP_DEVICE_ID_TYPE 0x0280
#define INTEL_PCH_ICP_DEVICE_ID_TYPE 0x3480
#define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
#define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000