GEN8_DE_MISC_IMR 2728 drivers/gpu/drm/i915/gvt/handlers.c MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); GEN8_DE_MISC_IMR 414 drivers/gpu/drm/i915/i915_debugfs.c I915_READ(GEN8_DE_MISC_IMR));