Merge branch 'linus' into timers/hpet

1 files changed, 0 insertions, 1283 deletions

diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
deleted file mode 100644
index e5de8ea4154..00000000000
--- a/drivers/char/drm/i810_dma.c
+++ /dev/null
@@ -1,1283 +0,0 @@
-/* i810_dma.c -- DMA support for the i810 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- *	    Jeff Hartmann <jhartmann@valinux.com>
- *          Keith Whitwell <keith@tungstengraphics.com>
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "i810_drm.h"
-#include "i810_drv.h"
-#include <linux/interrupt.h>	/* For task queue support */
-#include <linux/delay.h>
-#include <linux/pagemap.h>
-
-#define I810_BUF_FREE		2
-#define I810_BUF_CLIENT		1
-#define I810_BUF_HARDWARE	0
-
-#define I810_BUF_UNMAPPED 0
-#define I810_BUF_MAPPED   1
-
-static struct drm_buf *i810_freelist_get(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-	int used;
-
-	/* Linear search might not be the best solution */
-
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-		/* In use is already a pointer */
-		used = cmpxchg(buf_priv->in_use, I810_BUF_FREE,
-			       I810_BUF_CLIENT);
-		if (used == I810_BUF_FREE) {
-			return buf;
-		}
-	}
-	return NULL;
-}
-
-/* This should only be called if the buffer is not sent to the hardware
- * yet, the hardware updates in use for us once its on the ring buffer.
- */
-
-static int i810_freelist_put(struct drm_device * dev, struct drm_buf * buf)
-{
-	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-	int used;
-
-	/* In use is already a pointer */
-	used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE);
-	if (used != I810_BUF_CLIENT) {
-		DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev;
-	drm_i810_private_t *dev_priv;
-	struct drm_buf *buf;
-	drm_i810_buf_priv_t *buf_priv;
-
-	lock_kernel();
-	dev = priv->minor->dev;
-	dev_priv = dev->dev_private;
-	buf = dev_priv->mmap_buffer;
-	buf_priv = buf->dev_private;
-
-	vma->vm_flags |= (VM_IO | VM_DONTCOPY);
-	vma->vm_file = filp;
-
-	buf_priv->currently_mapped = I810_BUF_MAPPED;
-	unlock_kernel();
-
-	if (io_remap_pfn_range(vma, vma->vm_start,
-			       vma->vm_pgoff,
-			       vma->vm_end - vma->vm_start, vma->vm_page_prot))
-		return -EAGAIN;
-	return 0;
-}
-
-static const struct file_operations i810_buffer_fops = {
-	.open = drm_open,
-	.release = drm_release,
-	.ioctl = drm_ioctl,
-	.mmap = i810_mmap_buffers,
-	.fasync = drm_fasync,
-};
-
-static int i810_map_buffer(struct drm_buf * buf, struct drm_file *file_priv)
-{
-	struct drm_device *dev = file_priv->minor->dev;
-	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	const struct file_operations *old_fops;
-	int retcode = 0;
-
-	if (buf_priv->currently_mapped == I810_BUF_MAPPED)
-		return -EINVAL;
-
-	down_write(&current->mm->mmap_sem);
-	old_fops = file_priv->filp->f_op;
-	file_priv->filp->f_op = &i810_buffer_fops;
-	dev_priv->mmap_buffer = buf;
-	buf_priv->virtual = (void *)do_mmap(file_priv->filp, 0, buf->total,
-					    PROT_READ | PROT_WRITE,
-					    MAP_SHARED, buf->bus_address);
-	dev_priv->mmap_buffer = NULL;
-	file_priv->filp->f_op = old_fops;
-	if (IS_ERR(buf_priv->virtual)) {
-		/* Real error */
-		DRM_ERROR("mmap error\n");
-		retcode = PTR_ERR(buf_priv->virtual);
-		buf_priv->virtual = NULL;
-	}
-	up_write(&current->mm->mmap_sem);
-
-	return retcode;
-}
-
-static int i810_unmap_buffer(struct drm_buf * buf)
-{
-	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-	int retcode = 0;
-
-	if (buf_priv->currently_mapped != I810_BUF_MAPPED)
-		return -EINVAL;
-
-	down_write(&current->mm->mmap_sem);
-	retcode = do_munmap(current->mm,
-			    (unsigned long)buf_priv->virtual,
-			    (size_t) buf->total);
-	up_write(&current->mm->mmap_sem);
-
-	buf_priv->currently_mapped = I810_BUF_UNMAPPED;
-	buf_priv->virtual = NULL;
-
-	return retcode;
-}
-
-static int i810_dma_get_buffer(struct drm_device * dev, drm_i810_dma_t * d,
-			       struct drm_file *file_priv)
-{
-	struct drm_buf *buf;
-	drm_i810_buf_priv_t *buf_priv;
-	int retcode = 0;
-
-	buf = i810_freelist_get(dev);
-	if (!buf) {
-		retcode = -ENOMEM;
-		DRM_DEBUG("retcode=%d\n", retcode);
-		return retcode;
-	}
-
-	retcode = i810_map_buffer(buf, file_priv);
-	if (retcode) {
-		i810_freelist_put(dev, buf);
-		DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
-		return retcode;
-	}
-	buf->file_priv = file_priv;
-	buf_priv = buf->dev_private;
-	d->granted = 1;
-	d->request_idx = buf->idx;
-	d->request_size = buf->total;
-	d->virtual = buf_priv->virtual;
-
-	return retcode;
-}
-
-static int i810_dma_cleanup(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-
-	/* Make sure interrupts are disabled here because the uninstall ioctl
-	 * may not have been called from userspace and after dev_private
-	 * is freed, it's too late.
-	 */
-	if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ) && dev->irq_enabled)
-		drm_irq_uninstall(dev);
-
-	if (dev->dev_private) {
-		int i;
-		drm_i810_private_t *dev_priv =
-		    (drm_i810_private_t *) dev->dev_private;
-
-		if (dev_priv->ring.virtual_start) {
-			drm_core_ioremapfree(&dev_priv->ring.map, dev);
-		}
-		if (dev_priv->hw_status_page) {
-			pci_free_consistent(dev->pdev, PAGE_SIZE,
-					    dev_priv->hw_status_page,
-					    dev_priv->dma_status_page);
-			/* Need to rewrite hardware status page */
-			I810_WRITE(0x02080, 0x1ffff000);
-		}
-		drm_free(dev->dev_private, sizeof(drm_i810_private_t),
-			 DRM_MEM_DRIVER);
-		dev->dev_private = NULL;
-
-		for (i = 0; i < dma->buf_count; i++) {
-			struct drm_buf *buf = dma->buflist[i];
-			drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
-			if (buf_priv->kernel_virtual && buf->total)
-				drm_core_ioremapfree(&buf_priv->map, dev);
-		}
-	}
-	return 0;
-}
-
-static int i810_wait_ring(struct drm_device * dev, int n)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);
-	int iters = 0;
-	unsigned long end;
-	unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-
-	end = jiffies + (HZ * 3);
-	while (ring->space < n) {
-		ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-		ring->space = ring->head - (ring->tail + 8);
-		if (ring->space < 0)
-			ring->space += ring->Size;
-
-		if (ring->head != last_head) {
-			end = jiffies + (HZ * 3);
-			last_head = ring->head;
-		}
-
-		iters++;
-		if (time_before(end, jiffies)) {
-			DRM_ERROR("space: %d wanted %d\n", ring->space, n);
-			DRM_ERROR("lockup\n");
-			goto out_wait_ring;
-		}
-		udelay(1);
-	}
-
-      out_wait_ring:
-	return iters;
-}
-
-static void i810_kernel_lost_context(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);
-
-	ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-	ring->tail = I810_READ(LP_RING + RING_TAIL);
-	ring->space = ring->head - (ring->tail + 8);
-	if (ring->space < 0)
-		ring->space += ring->Size;
-}
-
-static int i810_freelist_init(struct drm_device * dev, drm_i810_private_t * dev_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int my_idx = 24;
-	u32 *hw_status = (u32 *) (dev_priv->hw_status_page + my_idx);
-	int i;
-
-	if (dma->buf_count > 1019) {
-		/* Not enough space in the status page for the freelist */
-		return -EINVAL;
-	}
-
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
-		buf_priv->in_use = hw_status++;
-		buf_priv->my_use_idx = my_idx;
-		my_idx += 4;
-
-		*buf_priv->in_use = I810_BUF_FREE;
-
-		buf_priv->map.offset = buf->bus_address;
-		buf_priv->map.size = buf->total;
-		buf_priv->map.type = _DRM_AGP;
-		buf_priv->map.flags = 0;
-		buf_priv->map.mtrr = 0;
-
-		drm_core_ioremap(&buf_priv->map, dev);
-		buf_priv->kernel_virtual = buf_priv->map.handle;
-
-	}
-	return 0;
-}
-
-static int i810_dma_initialize(struct drm_device * dev,
-			       drm_i810_private_t * dev_priv,
-			       drm_i810_init_t * init)
-{
-	struct drm_map_list *r_list;
-	memset(dev_priv, 0, sizeof(drm_i810_private_t));
-
-	list_for_each_entry(r_list, &dev->maplist, head) {
-		if (r_list->map &&
-		    r_list->map->type == _DRM_SHM &&
-		    r_list->map->flags & _DRM_CONTAINS_LOCK) {
-			dev_priv->sarea_map = r_list->map;
-			break;
-		}
-	}
-	if (!dev_priv->sarea_map) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("can not find sarea!\n");
-		return -EINVAL;
-	}
-	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
-	if (!dev_priv->mmio_map) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("can not find mmio map!\n");
-		return -EINVAL;
-	}
-	dev->agp_buffer_token = init->buffers_offset;
-	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
-	if (!dev->agp_buffer_map) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("can not find dma buffer map!\n");
-		return -EINVAL;
-	}
-
-	dev_priv->sarea_priv = (drm_i810_sarea_t *)
-	    ((u8 *) dev_priv->sarea_map->handle + init->sarea_priv_offset);
-
-	dev_priv->ring.Start = init->ring_start;
-	dev_priv->ring.End = init->ring_end;
-	dev_priv->ring.Size = init->ring_size;
-
-	dev_priv->ring.map.offset = dev->agp->base + init->ring_start;
-	dev_priv->ring.map.size = init->ring_size;
-	dev_priv->ring.map.type = _DRM_AGP;
-	dev_priv->ring.map.flags = 0;
-	dev_priv->ring.map.mtrr = 0;
-
-	drm_core_ioremap(&dev_priv->ring.map, dev);
-
-	if (dev_priv->ring.map.handle == NULL) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("can not ioremap virtual address for"
-			  " ring buffer\n");
-		return -ENOMEM;
-	}
-
-	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
-
-	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
-	dev_priv->w = init->w;
-	dev_priv->h = init->h;
-	dev_priv->pitch = init->pitch;
-	dev_priv->back_offset = init->back_offset;
-	dev_priv->depth_offset = init->depth_offset;
-	dev_priv->front_offset = init->front_offset;
-
-	dev_priv->overlay_offset = init->overlay_offset;
-	dev_priv->overlay_physical = init->overlay_physical;
-
-	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
-	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
-	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
-
-	/* Program Hardware Status Page */
-	dev_priv->hw_status_page =
-	    pci_alloc_consistent(dev->pdev, PAGE_SIZE,
-				 &dev_priv->dma_status_page);
-	if (!dev_priv->hw_status_page) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("Can not allocate hardware status page\n");
-		return -ENOMEM;
-	}
-	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-	DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
-
-	I810_WRITE(0x02080, dev_priv->dma_status_page);
-	DRM_DEBUG("Enabled hardware status page\n");
-
-	/* Now we need to init our freelist */
-	if (i810_freelist_init(dev, dev_priv) != 0) {
-		dev->dev_private = (void *)dev_priv;
-		i810_dma_cleanup(dev);
-		DRM_ERROR("Not enough space in the status page for"
-			  " the freelist\n");
-		return -ENOMEM;
-	}
-	dev->dev_private = (void *)dev_priv;
-
-	return 0;
-}
-
-static int i810_dma_init(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv;
-	drm_i810_init_t *init = data;
-	int retcode = 0;
-
-	switch (init->func) {
-	case I810_INIT_DMA_1_4:
-		DRM_INFO("Using v1.4 init.\n");
-		dev_priv = drm_alloc(sizeof(drm_i810_private_t),
-				     DRM_MEM_DRIVER);
-		if (dev_priv == NULL)
-			return -ENOMEM;
-		retcode = i810_dma_initialize(dev, dev_priv, init);
-		break;
-
-	case I810_CLEANUP_DMA:
-		DRM_INFO("DMA Cleanup\n");
-		retcode = i810_dma_cleanup(dev);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return retcode;
-}
-
-/* Most efficient way to verify state for the i810 is as it is
- * emitted.  Non-conformant state is silently dropped.
- *
- * Use 'volatile' & local var tmp to force the emitted values to be
- * identical to the verified ones.
- */
-static void i810EmitContextVerified(struct drm_device * dev,
-				    volatile unsigned int *code)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	int i, j = 0;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	BEGIN_LP_RING(I810_CTX_SETUP_SIZE);
-
-	OUT_RING(GFX_OP_COLOR_FACTOR);
-	OUT_RING(code[I810_CTXREG_CF1]);
-
-	OUT_RING(GFX_OP_STIPPLE);
-	OUT_RING(code[I810_CTXREG_ST1]);
-
-	for (i = 4; i < I810_CTX_SETUP_SIZE; i++) {
-		tmp = code[i];
-
-		if ((tmp & (7 << 29)) == (3 << 29) &&
-		    (tmp & (0x1f << 24)) < (0x1d << 24)) {
-			OUT_RING(tmp);
-			j++;
-		} else
-			printk("constext state dropped!!!\n");
-	}
-
-	if (j & 1)
-		OUT_RING(0);
-
-	ADVANCE_LP_RING();
-}
-
-static void i810EmitTexVerified(struct drm_device * dev, volatile unsigned int *code)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	int i, j = 0;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	BEGIN_LP_RING(I810_TEX_SETUP_SIZE);
-
-	OUT_RING(GFX_OP_MAP_INFO);
-	OUT_RING(code[I810_TEXREG_MI1]);
-	OUT_RING(code[I810_TEXREG_MI2]);
-	OUT_RING(code[I810_TEXREG_MI3]);
-
-	for (i = 4; i < I810_TEX_SETUP_SIZE; i++) {
-		tmp = code[i];
-
-		if ((tmp & (7 << 29)) == (3 << 29) &&
-		    (tmp & (0x1f << 24)) < (0x1d << 24)) {
-			OUT_RING(tmp);
-			j++;
-		} else
-			printk("texture state dropped!!!\n");
-	}
-
-	if (j & 1)
-		OUT_RING(0);
-
-	ADVANCE_LP_RING();
-}
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i810EmitDestVerified(struct drm_device * dev,
-				 volatile unsigned int *code)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2);
-
-	tmp = code[I810_DESTREG_DI1];
-	if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
-		OUT_RING(CMD_OP_DESTBUFFER_INFO);
-		OUT_RING(tmp);
-	} else
-		DRM_DEBUG("bad di1 %x (allow %x or %x)\n",
-			  tmp, dev_priv->front_di1, dev_priv->back_di1);
-
-	/* invarient:
-	 */
-	OUT_RING(CMD_OP_Z_BUFFER_INFO);
-	OUT_RING(dev_priv->zi1);
-
-	OUT_RING(GFX_OP_DESTBUFFER_VARS);
-	OUT_RING(code[I810_DESTREG_DV1]);
-
-	OUT_RING(GFX_OP_DRAWRECT_INFO);
-	OUT_RING(code[I810_DESTREG_DR1]);
-	OUT_RING(code[I810_DESTREG_DR2]);
-	OUT_RING(code[I810_DESTREG_DR3]);
-	OUT_RING(code[I810_DESTREG_DR4]);
-	OUT_RING(0);
-
-	ADVANCE_LP_RING();
-}
-
-static void i810EmitState(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int dirty = sarea_priv->dirty;
-
-	DRM_DEBUG("%x\n", dirty);
-
-	if (dirty & I810_UPLOAD_BUFFERS) {
-		i810EmitDestVerified(dev, sarea_priv->BufferState);
-		sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS;
-	}
-
-	if (dirty & I810_UPLOAD_CTX) {
-		i810EmitContextVerified(dev, sarea_priv->ContextState);
-		sarea_priv->dirty &= ~I810_UPLOAD_CTX;
-	}
-
-	if (dirty & I810_UPLOAD_TEX0) {
-		i810EmitTexVerified(dev, sarea_priv->TexState[0]);
-		sarea_priv->dirty &= ~I810_UPLOAD_TEX0;
-	}
-
-	if (dirty & I810_UPLOAD_TEX1) {
-		i810EmitTexVerified(dev, sarea_priv->TexState[1]);
-		sarea_priv->dirty &= ~I810_UPLOAD_TEX1;
-	}
-}
-
-/* need to verify
- */
-static void i810_dma_dispatch_clear(struct drm_device * dev, int flags,
-				    unsigned int clear_color,
-				    unsigned int clear_zval)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int nbox = sarea_priv->nbox;
-	struct drm_clip_rect *pbox = sarea_priv->boxes;
-	int pitch = dev_priv->pitch;
-	int cpp = 2;
-	int i;
-	RING_LOCALS;
-
-	if (dev_priv->current_page == 1) {
-		unsigned int tmp = flags;
-
-		flags &= ~(I810_FRONT | I810_BACK);
-		if (tmp & I810_FRONT)
-			flags |= I810_BACK;
-		if (tmp & I810_BACK)
-			flags |= I810_FRONT;
-	}
-
-	i810_kernel_lost_context(dev);
-
-	if (nbox > I810_NR_SAREA_CLIPRECTS)
-		nbox = I810_NR_SAREA_CLIPRECTS;
-
-	for (i = 0; i < nbox; i++, pbox++) {
-		unsigned int x = pbox->x1;
-		unsigned int y = pbox->y1;
-		unsigned int width = (pbox->x2 - x) * cpp;
-		unsigned int height = pbox->y2 - y;
-		unsigned int start = y * pitch + x * cpp;
-
-		if (pbox->x1 > pbox->x2 ||
-		    pbox->y1 > pbox->y2 ||
-		    pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h)
-			continue;
-
-		if (flags & I810_FRONT) {
-			BEGIN_LP_RING(6);
-			OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3);
-			OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch);
-			OUT_RING((height << 16) | width);
-			OUT_RING(start);
-			OUT_RING(clear_color);
-			OUT_RING(0);
-			ADVANCE_LP_RING();
-		}
-
-		if (flags & I810_BACK) {
-			BEGIN_LP_RING(6);
-			OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3);
-			OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch);
-			OUT_RING((height << 16) | width);
-			OUT_RING(dev_priv->back_offset + start);
-			OUT_RING(clear_color);
-			OUT_RING(0);
-			ADVANCE_LP_RING();
-		}
-
-		if (flags & I810_DEPTH) {
-			BEGIN_LP_RING(6);
-			OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3);
-			OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch);
-			OUT_RING((height << 16) | width);
-			OUT_RING(dev_priv->depth_offset + start);
-			OUT_RING(clear_zval);
-			OUT_RING(0);
-			ADVANCE_LP_RING();
-		}
-	}
-}
-
-static void i810_dma_dispatch_swap(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int nbox = sarea_priv->nbox;
-	struct drm_clip_rect *pbox = sarea_priv->boxes;
-	int pitch = dev_priv->pitch;
-	int cpp = 2;
-	int i;
-	RING_LOCALS;
-
-	DRM_DEBUG("swapbuffers\n");
-
-	i810_kernel_lost_context(dev);
-
-	if (nbox > I810_NR_SAREA_CLIPRECTS)
-		nbox = I810_NR_SAREA_CLIPRECTS;
-
-	for (i = 0; i < nbox; i++, pbox++) {
-		unsigned int w = pbox->x2 - pbox->x1;
-		unsigned int h = pbox->y2 - pbox->y1;
-		unsigned int dst = pbox->x1 * cpp + pbox->y1 * pitch;
-		unsigned int start = dst;
-
-		if (pbox->x1 > pbox->x2 ||
-		    pbox->y1 > pbox->y2 ||
-		    pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h)
-			continue;
-
-		BEGIN_LP_RING(6);
-		OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4);
-		OUT_RING(pitch | (0xCC << 16));
-		OUT_RING((h << 16) | (w * cpp));
-		if (dev_priv->current_page == 0)
-			OUT_RING(dev_priv->front_offset + start);
-		else
-			OUT_RING(dev_priv->back_offset + start);
-		OUT_RING(pitch);
-		if (dev_priv->current_page == 0)
-			OUT_RING(dev_priv->back_offset + start);
-		else
-			OUT_RING(dev_priv->front_offset + start);
-		ADVANCE_LP_RING();
-	}
-}
-
-static void i810_dma_dispatch_vertex(struct drm_device * dev,
-				     struct drm_buf * buf, int discard, int used)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	struct drm_clip_rect *box = sarea_priv->boxes;
-	int nbox = sarea_priv->nbox;
-	unsigned long address = (unsigned long)buf->bus_address;
-	unsigned long start = address - dev->agp->base;
-	int i = 0;
-	RING_LOCALS;
-
-	i810_kernel_lost_context(dev);
-
-	if (nbox > I810_NR_SAREA_CLIPRECTS)
-		nbox = I810_NR_SAREA_CLIPRECTS;
-
-	if (used > 4 * 1024)
-		used = 0;
-
-	if (sarea_priv->dirty)
-		i810EmitState(dev);
-
-	if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
-		unsigned int prim = (sarea_priv->vertex_prim & PR_MASK);
-
-		*(u32 *) buf_priv->kernel_virtual =
-		    ((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2)));
-
-		if (used & 4) {
-			*(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0;
-			used += 4;
-		}
-
-		i810_unmap_buffer(buf);
-	}
-
-	if (used) {
-		do {
-			if (i < nbox) {
-				BEGIN_LP_RING(4);
-				OUT_RING(GFX_OP_SCISSOR | SC_UPDATE_SCISSOR |
-					 SC_ENABLE);
-				OUT_RING(GFX_OP_SCISSOR_INFO);
-				OUT_RING(box[i].x1 | (box[i].y1 << 16));
-				OUT_RING((box[i].x2 -
-					  1) | ((box[i].y2 - 1) << 16));
-				ADVANCE_LP_RING();
-			}
-
-			BEGIN_LP_RING(4);
-			OUT_RING(CMD_OP_BATCH_BUFFER);
-			OUT_RING(start | BB1_PROTECTED);
-			OUT_RING(start + used - 4);
-			OUT_RING(0);
-			ADVANCE_LP_RING();
-
-		} while (++i < nbox);
-	}
-
-	if (discard) {
-		dev_priv->counter++;
-
-		(void)cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
-			      I810_BUF_HARDWARE);
-
-		BEGIN_LP_RING(8);
-		OUT_RING(CMD_STORE_DWORD_IDX);
-		OUT_RING(20);
-		OUT_RING(dev_priv->counter);
-		OUT_RING(CMD_STORE_DWORD_IDX);
-		OUT_RING(buf_priv->my_use_idx);
-		OUT_RING(I810_BUF_FREE);
-		OUT_RING(CMD_REPORT_HEAD);
-		OUT_RING(0);
-		ADVANCE_LP_RING();
-	}
-}
-
-static void i810_dma_dispatch_flip(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	int pitch = dev_priv->pitch;
-	RING_LOCALS;
-
-	DRM_DEBUG("page=%d pfCurrentPage=%d\n",
-		  dev_priv->current_page,
-		  dev_priv->sarea_priv->pf_current_page);
-
-	i810_kernel_lost_context(dev);
-
-	BEGIN_LP_RING(2);
-	OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2);
-	/* On i815 at least ASYNC is buggy */
-	/* pitch<<5 is from 11.2.8 p158,
-	   its the pitch / 8 then left shifted 8,
-	   so (pitch >> 3) << 8 */
-	OUT_RING(CMD_OP_FRONTBUFFER_INFO | (pitch << 5) /*| ASYNC_FLIP */ );
-	if (dev_priv->current_page == 0) {
-		OUT_RING(dev_priv->back_offset);
-		dev_priv->current_page = 1;
-	} else {
-		OUT_RING(dev_priv->front_offset);
-		dev_priv->current_page = 0;
-	}
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	BEGIN_LP_RING(2);
-	OUT_RING(CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	/* Increment the frame counter.  The client-side 3D driver must
-	 * throttle the framerate by waiting for this value before
-	 * performing the swapbuffer ioctl.
-	 */
-	dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-
-}
-
-static void i810_dma_quiescent(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	RING_LOCALS;
-
-	i810_kernel_lost_context(dev);
-
-	BEGIN_LP_RING(4);
-	OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
-	OUT_RING(CMD_REPORT_HEAD);
-	OUT_RING(0);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	i810_wait_ring(dev, dev_priv->ring.Size - 8);
-}
-
-static int i810_flush_queue(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	struct drm_device_dma *dma = dev->dma;
-	int i, ret = 0;
-	RING_LOCALS;
-
-	i810_kernel_lost_context(dev);
-
-	BEGIN_LP_RING(2);
-	OUT_RING(CMD_REPORT_HEAD);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	i810_wait_ring(dev, dev_priv->ring.Size - 8);
-
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
-		int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE,
-				   I810_BUF_FREE);
-
-		if (used == I810_BUF_HARDWARE)
-			DRM_DEBUG("reclaimed from HARDWARE\n");
-		if (used == I810_BUF_CLIENT)
-			DRM_DEBUG("still on client\n");
-	}
-
-	return ret;
-}
-
-/* Must be called with the lock held */
-static void i810_reclaim_buffers(struct drm_device * dev,
-				 struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-
-	if (!dma)
-		return;
-	if (!dev->dev_private)
-		return;
-	if (!dma->buflist)
-		return;
-
-	i810_flush_queue(dev);
-
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
-		if (buf->file_priv == file_priv && buf_priv) {
-			int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
-					   I810_BUF_FREE);
-
-			if (used == I810_BUF_CLIENT)
-				DRM_DEBUG("reclaimed from client\n");
-			if (buf_priv->currently_mapped == I810_BUF_MAPPED)
-				buf_priv->currently_mapped = I810_BUF_UNMAPPED;
-		}
-	}
-}
-
-static int i810_flush_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv)
-{
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	i810_flush_queue(dev);
-	return 0;
-}
-
-static int i810_dma_vertex(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-	u32 *hw_status = dev_priv->hw_status_page;
-	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
-	    dev_priv->sarea_priv;
-	drm_i810_vertex_t *vertex = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	DRM_DEBUG("idx %d used %d discard %d\n",
-		  vertex->idx, vertex->used, vertex->discard);
-
-	if (vertex->idx < 0 || vertex->idx > dma->buf_count)
-		return -EINVAL;
-
-	i810_dma_dispatch_vertex(dev,
-				 dma->buflist[vertex->idx],
-				 vertex->discard, vertex->used);
-
-	atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
-	atomic_inc(&dev->counts[_DRM_STAT_DMA]);
-	sarea_priv->last_enqueue = dev_priv->counter - 1;
-	sarea_priv->last_dispatch = (int)hw_status[5];
-
-	return 0;
-}
-
-static int i810_clear_bufs(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	drm_i810_clear_t *clear = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	/* GH: Someone's doing nasty things... */
-	if (!dev->dev_private) {
-		return -EINVAL;
-	}
-
-	i810_dma_dispatch_clear(dev, clear->flags,
-				clear->clear_color, clear->clear_depth);
-	return 0;
-}
-
-static int i810_swap_bufs(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv)
-{
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	i810_dma_dispatch_swap(dev);
-	return 0;
-}
-
-static int i810_getage(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-	u32 *hw_status = dev_priv->hw_status_page;
-	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
-	    dev_priv->sarea_priv;
-
-	sarea_priv->last_dispatch = (int)hw_status[5];
-	return 0;
-}
-
-static int i810_getbuf(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	int retcode = 0;
-	drm_i810_dma_t *d = data;
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-	u32 *hw_status = dev_priv->hw_status_page;
-	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
-	    dev_priv->sarea_priv;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	d->granted = 0;
-
-	retcode = i810_dma_get_buffer(dev, d, file_priv);
-
-	DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n",
-		  task_pid_nr(current), retcode, d->granted);
-
-	sarea_priv->last_dispatch = (int)hw_status[5];
-
-	return retcode;
-}
-
-static int i810_copybuf(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	/* Never copy - 2.4.x doesn't need it */
-	return 0;
-}
-
-static int i810_docopy(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	/* Never copy - 2.4.x doesn't need it */
-	return 0;
-}
-
-static void i810_dma_dispatch_mc(struct drm_device * dev, struct drm_buf * buf, int used,
-				 unsigned int last_render)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned long address = (unsigned long)buf->bus_address;
-	unsigned long start = address - dev->agp->base;
-	int u;
-	RING_LOCALS;
-
-	i810_kernel_lost_context(dev);
-
-	u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_HARDWARE);
-	if (u != I810_BUF_CLIENT) {
-		DRM_DEBUG("MC found buffer that isn't mine!\n");
-	}
-
-	if (used > 4 * 1024)
-		used = 0;
-
-	sarea_priv->dirty = 0x7f;
-
-	DRM_DEBUG("addr 0x%lx, used 0x%x\n", address, used);
-
-	dev_priv->counter++;
-	DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter);
-	DRM_DEBUG("start : %lx\n", start);
-	DRM_DEBUG("used : %d\n", used);
-	DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4);
-
-	if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
-		if (used & 4) {
-			*(u32 *) ((char *) buf_priv->virtual + used) = 0;
-			used += 4;
-		}
-
-		i810_unmap_buffer(buf);
-	}
-	BEGIN_LP_RING(4);
-	OUT_RING(CMD_OP_BATCH_BUFFER);
-	OUT_RING(start | BB1_PROTECTED);
-	OUT_RING(start + used - 4);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-	BEGIN_LP_RING(8);
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(buf_priv->my_use_idx);
-	OUT_RING(I810_BUF_FREE);
-	OUT_RING(0);
-
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(16);
-	OUT_RING(last_render);
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-}
-
-static int i810_dma_mc(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-	u32 *hw_status = dev_priv->hw_status_page;
-	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
-	    dev_priv->sarea_priv;
-	drm_i810_mc_t *mc = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (mc->idx >= dma->buf_count || mc->idx < 0)
-		return -EINVAL;
-
-	i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used,
-			     mc->last_render);
-
-	atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
-	atomic_inc(&dev->counts[_DRM_STAT_DMA]);
-	sarea_priv->last_enqueue = dev_priv->counter - 1;
-	sarea_priv->last_dispatch = (int)hw_status[5];
-
-	return 0;
-}
-
-static int i810_rstatus(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-
-	return (int)(((u32 *) (dev_priv->hw_status_page))[4]);
-}
-
-static int i810_ov0_info(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-	drm_i810_overlay_t *ov = data;
-
-	ov->offset = dev_priv->overlay_offset;
-	ov->physical = dev_priv->overlay_physical;
-
-	return 0;
-}
-
-static int i810_fstatus(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-	return I810_READ(0x30008);
-}
-
-static int i810_ov0_flip(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	//Tell the overlay to update
-	I810_WRITE(0x30000, dev_priv->overlay_physical | 0x80000000);
-
-	return 0;
-}
-
-/* Not sure why this isn't set all the time:
- */
-static void i810_do_init_pageflip(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("\n");
-	dev_priv->page_flipping = 1;
-	dev_priv->current_page = 0;
-	dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-static int i810_do_cleanup_pageflip(struct drm_device * dev)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("\n");
-	if (dev_priv->current_page != 0)
-		i810_dma_dispatch_flip(dev);
-
-	dev_priv->page_flipping = 0;
-	return 0;
-}
-
-static int i810_flip_bufs(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv)
-{
-	drm_i810_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (!dev_priv->page_flipping)
-		i810_do_init_pageflip(dev);
-
-	i810_dma_dispatch_flip(dev);
-	return 0;
-}
-
-int i810_driver_load(struct drm_device *dev, unsigned long flags)
-{
-	/* i810 has 4 more counters */
-	dev->counters += 4;
-	dev->types[6] = _DRM_STAT_IRQ;
-	dev->types[7] = _DRM_STAT_PRIMARY;
-	dev->types[8] = _DRM_STAT_SECONDARY;
-	dev->types[9] = _DRM_STAT_DMA;
-
-	return 0;
-}
-
-void i810_driver_lastclose(struct drm_device * dev)
-{
-	i810_dma_cleanup(dev);
-}
-
-void i810_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
-{
-	if (dev->dev_private) {
-		drm_i810_private_t *dev_priv = dev->dev_private;
-		if (dev_priv->page_flipping) {
-			i810_do_cleanup_pageflip(dev);
-		}
-	}
-}
-
-void i810_driver_reclaim_buffers_locked(struct drm_device * dev,
-					struct drm_file *file_priv)
-{
-	i810_reclaim_buffers(dev, file_priv);
-}
-
-int i810_driver_dma_quiescent(struct drm_device * dev)
-{
-	i810_dma_quiescent(dev);
-	return 0;
-}
-
-struct drm_ioctl_desc i810_ioctls[] = {
-	DRM_IOCTL_DEF(DRM_I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I810_VERTEX, i810_dma_vertex, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_CLEAR, i810_clear_bufs, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_FLUSH, i810_flush_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_GETAGE, i810_getage, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_GETBUF, i810_getbuf, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_SWAP, i810_swap_bufs, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_COPY, i810_copybuf, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_DOCOPY, i810_docopy, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_OV0INFO, i810_ov0_info, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_FSTATUS, i810_fstatus, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_OV0FLIP, i810_ov0_flip, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I810_RSTATUS, i810_rstatus, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I810_FLIP, i810_flip_bufs, DRM_AUTH)
-};
-
-int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls);
-
-/**
- * Determine if the device really is AGP or not.
- *
- * All Intel graphics chipsets are treated as AGP, even if they are really
- * PCI-e.
- *
- * \param dev   The device to be tested.
- *
- * \returns
- * A value of 1 is always retured to indictate every i810 is AGP.
- */
-int i810_driver_device_is_agp(struct drm_device * dev)
-{
-	return 1;
-}