Adapt for kernel-3.17

DRM_ARRAY_SIZE is a duplicate of ARRAY_SIZE and have been dropped.

drm_dev_to_irq has been dropped, so call dev->pdev->irq directly
for code simplicity.

Signed-off-by: Thomas Backlund <tmb@mageia.org>

diff -urp linux/drivers/gpu/drm/mach64/mach64_state.c.orig linux/drivers/gpu/drm/mach64/mach64_state.c
--- linux/drivers/gpu/drm/mach64/mach64_state.c.orig
+++ linux/drivers/gpu/drm/mach64/mach64_state.c
@@ -52,7 +52,7 @@ struct drm_ioctl_desc mach64_ioctls[] =
 	DRM_IOCTL_DEF_DRV(MACH64_GETPARAM, mach64_get_param, DRM_AUTH),
 };
 
-int mach64_max_ioctl = DRM_ARRAY_SIZE(mach64_ioctls);
+int mach64_max_ioctl = ARRAY_SIZE(mach64_ioctls);
 
 /* ================================================================
  * DMA hardware state programming functions
@@ -895,7 +895,7 @@ int mach64_get_param(struct drm_device *
 		value = mach64_do_get_frames_queued(dev_priv);
 		break;
 	case MACH64_PARAM_IRQ_NR:
-		value = drm_dev_to_irq(dev);
+		value = dev->pdev->irq;
 		break;
 	default:
 		return -EINVAL;