zi1 397 drivers/gpu/drm/i810/i810_dma.c dev_priv->zi1 = init->depth_offset | init->pitch_bits; zi1 546 drivers/gpu/drm/i810/i810_dma.c OUT_RING(dev_priv->zi1); zi1 97 drivers/gpu/drm/i810/i810_drv.h u32 front_di1, back_di1, zi1;