Symbol: IS_I85X
drivers/gpu/drm/i915/i915_irq.c
798
#define I9XX_HAS_FBC(i915) (IS_I85X(i915) || IS_I865G(i915) || IS_I915GM(i915) || IS_I945GM(i915))
drivers/gpu/drm/i915/intel_clock_gating.c
799
else if (IS_I85X(i915) || IS_I865G(i915))