drm/i915: SWF screatch registers need an offset on VLV

		(I915_WRITE((reg), (gfx_addr) | I915_LO_DISPBASE(I915_READ(reg))))

/* VBIOS flags */

#define SWF00			0x71410

#define SWF01			0x71414

#define SWF02			0x71418

#define SWF03			0x7141c

#define SWF04			0x71420

#define SWF05			0x71424

#define SWF06			0x71428

#define SWF10			0x70410

#define SWF11			0x70414

#define SWF14			0x71420

#define SWF30			0x72414

#define SWF31			0x72418

#define SWF32			0x7241c

#define SWF00			(dev_priv->info->display_mmio_offset + 0x71410)

#define SWF01			(dev_priv->info->display_mmio_offset + 0x71414)

#define SWF02			(dev_priv->info->display_mmio_offset + 0x71418)

#define SWF03			(dev_priv->info->display_mmio_offset + 0x7141c)

#define SWF04			(dev_priv->info->display_mmio_offset + 0x71420)

#define SWF05			(dev_priv->info->display_mmio_offset + 0x71424)

#define SWF06			(dev_priv->info->display_mmio_offset + 0x71428)

#define SWF10			(dev_priv->info->display_mmio_offset + 0x70410)

#define SWF11			(dev_priv->info->display_mmio_offset + 0x70414)

#define SWF14			(dev_priv->info->display_mmio_offset + 0x71420)

#define SWF30			(dev_priv->info->display_mmio_offset + 0x72414)

#define SWF31			(dev_priv->info->display_mmio_offset + 0x72418)

#define SWF32			(dev_priv->info->display_mmio_offset + 0x7241c)

/* Pipe B */

#define _PIPEBDSL		(dev_priv->info->display_mmio_offset + 0x71000)