i915_pte_index 491 drivers/gpu/drm/i915/i915_gem_gtt.h return NUM_PTE(pde_shift) - i915_pte_index(addr, pde_shift); i915_pte_index 493 drivers/gpu/drm/i915/i915_gem_gtt.h return i915_pte_index(end, pde_shift) - i915_pte_index(addr, pde_shift); i915_pte_index 503 drivers/gpu/drm/i915/i915_gem_gtt.h return i915_pte_index(addr, GEN6_PDE_SHIFT);