drm/i915/cml: Introduce Comet Lake PCH
Comet Lake PCH is based off of Cannon Point(CNP). Add PCI ID for Comet Lake PCH. v2: Code cleanup (DK) v3: Comment cleanup (Jani) Cc: Jani Nikula <jani.nikula@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190318200133.9666-2-anusha.srivatsa@intel.com
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@ -188,6 +188,11 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
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DRM_DEBUG_KMS("Found Cannon Lake LP PCH (CNP-LP)\n");
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WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
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return PCH_CNP;
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case INTEL_PCH_CMP_DEVICE_ID_TYPE:
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DRM_DEBUG_KMS("Found Comet Lake PCH (CMP)\n");
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WARN_ON(!IS_COFFEELAKE(dev_priv));
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/* CometPoint is CNP Compatible */
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return PCH_CNP;
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case INTEL_PCH_ICP_DEVICE_ID_TYPE:
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DRM_DEBUG_KMS("Found Ice Lake PCH\n");
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WARN_ON(!IS_ICELAKE(dev_priv));
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@ -537,7 +537,7 @@ enum intel_pch {
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PCH_LPT, /* Lynxpoint/Wildcatpoint PCH */
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PCH_SPT, /* Sunrisepoint PCH */
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PCH_KBP, /* Kaby Lake PCH */
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PCH_CNP, /* Cannon Lake PCH */
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PCH_CNP, /* Cannon/Comet Lake PCH */
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PCH_ICP, /* Ice Lake PCH */
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};
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@ -2547,6 +2547,7 @@ static inline unsigned int i915_sg_segment_size(void)
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#define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA280
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#define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300
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#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE 0x9D80
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#define INTEL_PCH_CMP_DEVICE_ID_TYPE 0x0280
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#define INTEL_PCH_ICP_DEVICE_ID_TYPE 0x3480
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#define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
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#define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
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