INTEL_TIGERLAKE  1963 drivers/gpu/drm/i915/i915_drv.h #define IS_TIGERLAKE(dev_priv)	IS_PLATFORM(dev_priv, INTEL_TIGERLAKE)
INTEL_TIGERLAKE   794 drivers/gpu/drm/i915/i915_pci.c 	PLATFORM(INTEL_TIGERLAKE),