mchbar_addr 164 drivers/gpu/drm/i915/i915_drv.c u64 mchbar_addr; mchbar_addr 170 drivers/gpu/drm/i915/i915_drv.c mchbar_addr = ((u64)temp_hi << 32) | temp_lo; mchbar_addr 174 drivers/gpu/drm/i915/i915_drv.c if (mchbar_addr && mchbar_addr 175 drivers/gpu/drm/i915/i915_drv.c pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))