DE_GSE_IVB 2462 drivers/gpu/drm/i915/i915_irq.c if (de_iir & DE_GSE_IVB) DE_GSE_IVB 3671 drivers/gpu/drm/i915/i915_irq.c display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |