Merge master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6

Manual fixups for some clashes due to re-indenting.

drivers/char/drm/ati_pcigart.c

 /**
- * \file ati_pcigart.h 
+ * \file ati_pcigart.c
  * ATI PCI GART support
  *
  * \author Gareth Hughes <gareth@valinux.com>
@@ -52,85 +52,91 @@
 # define ATI_MAX_PCIGART_PAGES		8192	/**< 32 MB aperture, 4K pages */
 # define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
 
-static unsigned long drm_ati_alloc_pcigart_table( void )
+static unsigned long drm_ati_alloc_pcigart_table(void)
 {
 	unsigned long address;
 	struct page *page;
 	int i;
-	DRM_DEBUG( "%s\n", __FUNCTION__ );
+	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER );
-	if ( address == 0UL ) {
+	address = __get_free_pages(GFP_KERNEL, ATI_PCIGART_TABLE_ORDER);
+	if (address == 0UL) {
 		return 0;
 	}
 
-	page = virt_to_page( address );
+	page = virt_to_page(address);
 
-	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
 		get_page(page);
-		SetPageReserved( page );
+		SetPageReserved(page);
 	}
 
-	DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address );
+	DRM_DEBUG("%s: returning 0x%08lx\n", __FUNCTION__, address);
 	return address;
 }
 
-static void drm_ati_free_pcigart_table( unsigned long address )
+static void drm_ati_free_pcigart_table(unsigned long address)
 {
 	struct page *page;
 	int i;
-	DRM_DEBUG( "%s\n", __FUNCTION__ );
+	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	page = virt_to_page( address );
+	page = virt_to_page(address);
 
-	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
 		__put_page(page);
-		ClearPageReserved( page );
+		ClearPageReserved(page);
 	}
 
-	free_pages( address, ATI_PCIGART_TABLE_ORDER );
+	free_pages(address, ATI_PCIGART_TABLE_ORDER);
 }
 
-int drm_ati_pcigart_cleanup( drm_device_t *dev,
-			      unsigned long addr,
-			      dma_addr_t bus_addr)
+int drm_ati_pcigart_cleanup(drm_device_t * dev,
+			    drm_ati_pcigart_info * gart_info)
 {
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long pages;
 	int i;
 
 	/* we need to support large memory configurations */
-	if ( !entry ) {
-		DRM_ERROR( "no scatter/gather memory!\n" );
+	if (!entry) {
+		DRM_ERROR("no scatter/gather memory!\n");
 		return 0;
 	}
 
-	if ( bus_addr ) {
-		pci_unmap_single(dev->pdev, bus_addr,
-				 ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
-				 PCI_DMA_TODEVICE);
+	if (gart_info->bus_addr) {
+		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
+			pci_unmap_single(dev->pdev, gart_info->bus_addr,
+					 ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+					 PCI_DMA_TODEVICE);
+		}
 
-		pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
-		        ? entry->pages : ATI_MAX_PCIGART_PAGES;
+		pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
+		    ? entry->pages : ATI_MAX_PCIGART_PAGES;
 
-		for ( i = 0 ; i < pages ; i++ ) {
-			if ( !entry->busaddr[i] ) break;
+		for (i = 0; i < pages; i++) {
+			if (!entry->busaddr[i])
+				break;
 			pci_unmap_single(dev->pdev, entry->busaddr[i],
 					 PAGE_SIZE, PCI_DMA_TODEVICE);
 		}
+
+		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
+			gart_info->bus_addr = 0;
 	}
 
-	if ( addr ) {
-		drm_ati_free_pcigart_table( addr );
+	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
+	    && gart_info->addr) {
+		drm_ati_free_pcigart_table(gart_info->addr);
+		gart_info->addr = 0;
 	}
 
 	return 1;
 }
+
 EXPORT_SYMBOL(drm_ati_pcigart_cleanup);
 
-int drm_ati_pcigart_init( drm_device_t *dev,
-			   unsigned long *addr,
-			   dma_addr_t *bus_addr)
+int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info)
 {
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long address = 0;
@@ -138,48 +144,57 @@ int drm_ati_pcigart_init( drm_device_t *dev,
 	u32 *pci_gart, page_base, bus_address = 0;
 	int i, j, ret = 0;
 
-	if ( !entry ) {
-		DRM_ERROR( "no scatter/gather memory!\n" );
+	if (!entry) {
+		DRM_ERROR("no scatter/gather memory!\n");
 		goto done;
 	}
 
-	address = drm_ati_alloc_pcigart_table();
-	if ( !address ) {
-		DRM_ERROR( "cannot allocate PCI GART page!\n" );
-		goto done;
-	}
+	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
+		DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
 
-	if ( !dev->pdev ) {
-		DRM_ERROR( "PCI device unknown!\n" );
-		goto done;
-	}
+		address = drm_ati_alloc_pcigart_table();
+		if (!address) {
+			DRM_ERROR("cannot allocate PCI GART page!\n");
+			goto done;
+		}
 
-	bus_address = pci_map_single(dev->pdev, (void *)address,
-				  ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
-				  PCI_DMA_TODEVICE);
-	if (bus_address == 0) {
-		DRM_ERROR( "unable to map PCIGART pages!\n" );
-		drm_ati_free_pcigart_table( address );
-		address = 0;
-		goto done;
+		if (!dev->pdev) {
+			DRM_ERROR("PCI device unknown!\n");
+			goto done;
+		}
+
+		bus_address = pci_map_single(dev->pdev, (void *)address,
+					     ATI_PCIGART_TABLE_PAGES *
+					     PAGE_SIZE, PCI_DMA_TODEVICE);
+		if (bus_address == 0) {
+			DRM_ERROR("unable to map PCIGART pages!\n");
+			drm_ati_free_pcigart_table(address);
+			address = 0;
+			goto done;
+		}
+	} else {
+		address = gart_info->addr;
+		bus_address = gart_info->bus_addr;
+		DRM_DEBUG("PCI: Gart Table: VRAM %08X mapped at %08lX\n",
+			  bus_address, address);
 	}
 
-	pci_gart = (u32 *)address;
+	pci_gart = (u32 *) address;
 
-	pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
-		? entry->pages : ATI_MAX_PCIGART_PAGES;
+	pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
+	    ? entry->pages : ATI_MAX_PCIGART_PAGES;
 
-	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
+	memset(pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32));
 
-	for ( i = 0 ; i < pages ; i++ ) {
+	for (i = 0; i < pages; i++) {
 		/* we need to support large memory configurations */
 		entry->busaddr[i] = pci_map_single(dev->pdev,
-					   page_address( entry->pagelist[i] ),
-					   PAGE_SIZE,
-					   PCI_DMA_TODEVICE);
+						   page_address(entry->
+								pagelist[i]),
+						   PAGE_SIZE, PCI_DMA_TODEVICE);
 		if (entry->busaddr[i] == 0) {
-			DRM_ERROR( "unable to map PCIGART pages!\n" );
-			drm_ati_pcigart_cleanup( dev, address, bus_address );
+			DRM_ERROR("unable to map PCIGART pages!\n");
+			drm_ati_pcigart_cleanup(dev, gart_info);
 			address = 0;
 			bus_address = 0;
 			goto done;
@@ -187,7 +202,11 @@ int drm_ati_pcigart_init( drm_device_t *dev,
 		page_base = (u32) entry->busaddr[i];
 
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
-			*pci_gart++ = cpu_to_le32( page_base );
+			if (gart_info->is_pcie)
+				*pci_gart = (cpu_to_le32(page_base) >> 8) | 0xc;
+			else
+				*pci_gart = cpu_to_le32(page_base);
+			*pci_gart++;
 			page_base += ATI_PCIGART_PAGE_SIZE;
 		}
 	}
@@ -200,9 +219,10 @@ int drm_ati_pcigart_init( drm_device_t *dev,
 	mb();
 #endif
 
-done:
-	*addr = address;
-	*bus_addr = bus_address;
+      done:
+	gart_info->addr = address;
+	gart_info->bus_addr = bus_address;
 	return ret;
 }
+
 EXPORT_SYMBOL(drm_ati_pcigart_init);

drivers/char/drm/drm_auth.c

 /**
- * \file drm_auth.h 
+ * \file drm_auth.c
  * IOCTLs for authentication
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -46,7 +46,7 @@
  */
 static int drm_hash_magic(drm_magic_t magic)
 {
-	return magic & (DRM_HASH_SIZE-1);
+	return magic & (DRM_HASH_SIZE - 1);
 }
 
 /**
@@ -59,11 +59,11 @@ static int drm_hash_magic(drm_magic_t magic)
  * the one with matching magic number, while holding the drm_device::struct_sem
  * lock.
  */
-static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic)
+static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
 {
-	drm_file_t	  *retval = NULL;
+	drm_file_t *retval = NULL;
 	drm_magic_entry_t *pt;
-	int		  hash	  = drm_hash_magic(magic);
+	int hash = drm_hash_magic(magic);
 
 	down(&dev->struct_sem);
 	for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
@@ -78,7 +78,7 @@ static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic)
 
 /**
  * Adds a magic number.
- * 
+ *
  * \param dev DRM device.
  * \param priv file private data.
  * \param magic magic number.
@@ -87,28 +87,30 @@ static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic)
  * associated the magic number hash key in drm_device::magiclist, while holding
  * the drm_device::struct_sem lock.
  */
-static int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
+static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
+			 drm_magic_t magic)
 {
-	int		  hash;
+	int hash;
 	drm_magic_entry_t *entry;
 
 	DRM_DEBUG("%d\n", magic);
 
-	hash	     = drm_hash_magic(magic);
-	entry	     = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC);
-	if (!entry) return -ENOMEM;
+	hash = drm_hash_magic(magic);
+	entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC);
+	if (!entry)
+		return -ENOMEM;
 	memset(entry, 0, sizeof(*entry));
 	entry->magic = magic;
-	entry->priv  = priv;
-	entry->next  = NULL;
+	entry->priv = priv;
+	entry->next = NULL;
 
 	down(&dev->struct_sem);
 	if (dev->magiclist[hash].tail) {
 		dev->magiclist[hash].tail->next = entry;
-		dev->magiclist[hash].tail	= entry;
+		dev->magiclist[hash].tail = entry;
 	} else {
-		dev->magiclist[hash].head	= entry;
-		dev->magiclist[hash].tail	= entry;
+		dev->magiclist[hash].head = entry;
+		dev->magiclist[hash].tail = entry;
 	}
 	up(&dev->struct_sem);
 
@@ -117,19 +119,18 @@ static int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
 
 /**
  * Remove a magic number.
- * 
+ *
  * \param dev DRM device.
  * \param magic magic number.
  *
  * Searches and unlinks the entry in drm_device::magiclist with the magic
  * number hash key, while holding the drm_device::struct_sem lock.
  */
-static int drm_remove_magic(drm_device_t *dev, drm_magic_t magic)
+static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
 {
 	drm_magic_entry_t *prev = NULL;
 	drm_magic_entry_t *pt;
-	int		  hash;
-
+	int hash;
 
 	DRM_DEBUG("%d\n", magic);
 	hash = drm_hash_magic(magic);
@@ -171,21 +172,22 @@ static int drm_remove_magic(drm_device_t *dev, drm_magic_t magic)
  * filp.
  */
 int drm_getmagic(struct inode *inode, struct file *filp,
-		  unsigned int cmd, unsigned long arg)
+		 unsigned int cmd, unsigned long arg)
 {
 	static drm_magic_t sequence = 0;
 	static DEFINE_SPINLOCK(lock);
-	drm_file_t	   *priv    = filp->private_data;
-	drm_device_t	   *dev	    = priv->head->dev;
-	drm_auth_t	   auth;
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->head->dev;
+	drm_auth_t auth;
 
-				/* Find unique magic */
+	/* Find unique magic */
 	if (priv->magic) {
 		auth.magic = priv->magic;
 	} else {
 		do {
 			spin_lock(&lock);
-			if (!sequence) ++sequence; /* reserve 0 */
+			if (!sequence)
+				++sequence;	/* reserve 0 */
 			auth.magic = sequence++;
 			spin_unlock(&lock);
 		} while (drm_find_file(dev, auth.magic));
@@ -194,7 +196,7 @@ int drm_getmagic(struct inode *inode, struct file *filp,
 	}
 
 	DRM_DEBUG("%u\n", auth.magic);
-	if (copy_to_user((drm_auth_t __user *)arg, &auth, sizeof(auth)))
+	if (copy_to_user((drm_auth_t __user *) arg, &auth, sizeof(auth)))
 		return -EFAULT;
 	return 0;
 }
@@ -211,14 +213,14 @@ int drm_getmagic(struct inode *inode, struct file *filp,
  * Checks if \p filp is associated with the magic number passed in \arg.
  */
 int drm_authmagic(struct inode *inode, struct file *filp,
-		   unsigned int cmd, unsigned long arg)
+		  unsigned int cmd, unsigned long arg)
 {
-	drm_file_t	   *priv    = filp->private_data;
-	drm_device_t	   *dev	    = priv->head->dev;
-	drm_auth_t	   auth;
-	drm_file_t	   *file;
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->head->dev;
+	drm_auth_t auth;
+	drm_file_t *file;
 
-	if (copy_from_user(&auth, (drm_auth_t __user *)arg, sizeof(auth)))
+	if (copy_from_user(&auth, (drm_auth_t __user *) arg, sizeof(auth)))
 		return -EFAULT;
 	DRM_DEBUG("%u\n", auth.magic);
 	if ((file = drm_find_file(dev, auth.magic))) {

drivers/char/drm/drm_dma.c

 /**
- * \file drm_dma.h 
+ * \file drm_dma.c
  * DMA IOCTL and function support
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -37,23 +37,23 @@
 
 /**
  * Initialize the DMA data.
- * 
+ *
  * \param dev DRM device.
  * \return zero on success or a negative value on failure.
  *
  * Allocate and initialize a drm_device_dma structure.
  */
-int drm_dma_setup( drm_device_t *dev )
+int drm_dma_setup(drm_device_t * dev)
 {
 	int i;
 
-	dev->dma = drm_alloc( sizeof(*dev->dma), DRM_MEM_DRIVER );
-	if ( !dev->dma )
+	dev->dma = drm_alloc(sizeof(*dev->dma), DRM_MEM_DRIVER);
+	if (!dev->dma)
 		return -ENOMEM;
 
-	memset( dev->dma, 0, sizeof(*dev->dma) );
+	memset(dev->dma, 0, sizeof(*dev->dma));
 
-	for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ )
+	for (i = 0; i <= DRM_MAX_ORDER; i++)
 		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
 
 	return 0;
@@ -67,14 +67,15 @@ int drm_dma_setup( drm_device_t *dev )
  * Free all pages associated with DMA buffers, the buffers and pages lists, and
  * finally the the drm_device::dma structure itself.
  */
-void drm_dma_takedown(drm_device_t *dev)
+void drm_dma_takedown(drm_device_t * dev)
 {
-	drm_device_dma_t  *dma = dev->dma;
-	int		  i, j;
+	drm_device_dma_t *dma = dev->dma;
+	int i, j;
 
-	if (!dma) return;
+	if (!dma)
+		return;
 
-				/* Clear dma buffers */
+	/* Clear dma buffers */
 	for (i = 0; i <= DRM_MAX_ORDER; i++) {
 		if (dma->bufs[i].seg_count) {
 			DRM_DEBUG("order %d: buf_count = %d,"
@@ -85,64 +86,63 @@ void drm_dma_takedown(drm_device_t *dev)
 			for (j = 0; j < dma->bufs[i].seg_count; j++) {
 				if (dma->bufs[i].seglist[j]) {
 					drm_free_pages(dma->bufs[i].seglist[j],
-							dma->bufs[i].page_order,
-							DRM_MEM_DMA);
+						       dma->bufs[i].page_order,
+						       DRM_MEM_DMA);
 				}
 			}
 			drm_free(dma->bufs[i].seglist,
-				  dma->bufs[i].seg_count
-				  * sizeof(*dma->bufs[0].seglist),
-				  DRM_MEM_SEGS);
+				 dma->bufs[i].seg_count
+				 * sizeof(*dma->bufs[0].seglist), DRM_MEM_SEGS);
 		}
-	   	if (dma->bufs[i].buf_count) {
-		   	for (j = 0; j < dma->bufs[i].buf_count; j++) {
+		if (dma->bufs[i].buf_count) {
+			for (j = 0; j < dma->bufs[i].buf_count; j++) {
 				if (dma->bufs[i].buflist[j].dev_private) {
-					drm_free(dma->bufs[i].buflist[j].dev_private,
-						  dma->bufs[i].buflist[j].dev_priv_size,
-						  DRM_MEM_BUFS);
+					drm_free(dma->bufs[i].buflist[j].
+						 dev_private,
+						 dma->bufs[i].buflist[j].
+						 dev_priv_size, DRM_MEM_BUFS);
 				}
 			}
-		   	drm_free(dma->bufs[i].buflist,
-				  dma->bufs[i].buf_count *
-				  sizeof(*dma->bufs[0].buflist),
-				  DRM_MEM_BUFS);
+			drm_free(dma->bufs[i].buflist,
+				 dma->bufs[i].buf_count *
+				 sizeof(*dma->bufs[0].buflist), DRM_MEM_BUFS);
 		}
 	}
 
 	if (dma->buflist) {
 		drm_free(dma->buflist,
-			  dma->buf_count * sizeof(*dma->buflist),
-			  DRM_MEM_BUFS);
+			 dma->buf_count * sizeof(*dma->buflist), DRM_MEM_BUFS);
 	}
 
 	if (dma->pagelist) {
 		drm_free(dma->pagelist,
-			  dma->page_count * sizeof(*dma->pagelist),
-			  DRM_MEM_PAGES);
+			 dma->page_count * sizeof(*dma->pagelist),
+			 DRM_MEM_PAGES);
 	}
 	drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
 	dev->dma = NULL;
 }
 
-
 /**
  * Free a buffer.
  *
  * \param dev DRM device.
  * \param buf buffer to free.
- * 
+ *
  * Resets the fields of \p buf.
  */
-void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf)
+void drm_free_buffer(drm_device_t * dev, drm_buf_t * buf)
 {
-	if (!buf) return;
+	if (!buf)
+		return;
 
-	buf->waiting  = 0;
-	buf->pending  = 0;
-	buf->filp     = NULL;
-	buf->used     = 0;
+	buf->waiting = 0;
+	buf->pending = 0;
+	buf->filp = NULL;
+	buf->used = 0;
 
-	if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && waitqueue_active(&buf->dma_wait)) {
+	if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE)
+	    && waitqueue_active(&buf->dma_wait)) {
 		wake_up_interruptible(&buf->dma_wait);
 	}
 }
@@ -154,12 +154,13 @@ void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf)
  *
  * Frees each buffer associated with \p filp not already on the hardware.
  */
-void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp)
+void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp)
 {
 	drm_device_dma_t *dma = dev->dma;
-	int		 i;
+	int i;
 
-	if (!dma) return;
+	if (!dma)
+		return;
 	for (i = 0; i < dma->buf_count; i++) {
 		if (dma->buflist[i]->filp == filp) {
 			switch (dma->buflist[i]->list) {
@@ -176,5 +177,5 @@ void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp)
 		}
 	}
 }
-EXPORT_SYMBOL(drm_core_reclaim_buffers);
 
+EXPORT_SYMBOL(drm_core_reclaim_buffers);

drivers/char/drm/drm_drawable.c

 /**
- * \file drm_drawable.h 
+ * \file drm_drawable.c
  * IOCTLs for drawables
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -37,20 +37,20 @@
 
 /** No-op. */
 int drm_adddraw(struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg)
+		unsigned int cmd, unsigned long arg)
 {
 	drm_draw_t draw;
 
 	draw.handle = 0;	/* NOOP */
 	DRM_DEBUG("%d\n", draw.handle);
-	if (copy_to_user((drm_draw_t __user *)arg, &draw, sizeof(draw)))
+	if (copy_to_user((drm_draw_t __user *) arg, &draw, sizeof(draw)))
 		return -EFAULT;
 	return 0;
 }
 
 /** No-op. */
 int drm_rmdraw(struct inode *inode, struct file *filp,
-		unsigned int cmd, unsigned long arg)
+	       unsigned int cmd, unsigned long arg)
 {
 	return 0;		/* NOOP */
 }

drivers/char/drm/drm_init.c

 /**
- * \file drm_init.h 
+ * \file drm_init.c
  * Setup/Cleanup for DRM
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -43,10 +43,11 @@
 int drm_cpu_valid(void)
 {
 #if defined(__i386__)
-	if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */
+	if (boot_cpu_data.x86 == 3)
+		return 0;	/* No cmpxchg on a 386 */
 #endif
 #if defined(__sparc__) && !defined(__sparc_v9__)
-	return 0; /* No cmpxchg before v9 sparc. */
+	return 0;		/* No cmpxchg before v9 sparc. */
 #endif
 	return 1;
 }

drivers/char/drm/drm_os_linux.h

@@ -3,7 +3,6 @@
  * OS abstraction macros.
  */
 
-
 #include <linux/interrupt.h>	/* For task queue support */
 #include <linux/delay.h>
 
@@ -47,25 +46,25 @@
 #else
 /* define some dummy types for non AGP supporting kernels */
 struct no_agp_kern {
-  unsigned long aper_base;
-  unsigned long aper_size;
+	unsigned long aper_base;
+	unsigned long aper_size;
 };
 #define DRM_AGP_MEM             int
 #define DRM_AGP_KERN            struct no_agp_kern
 #endif
 
 #if !(__OS_HAS_MTRR)
-static __inline__ int mtrr_add (unsigned long base, unsigned long size,
-                                unsigned int type, char increment)
+static __inline__ int mtrr_add(unsigned long base, unsigned long size,
+			       unsigned int type, char increment)
 {
 	return -ENODEV;
 }
 
-static __inline__ int mtrr_del (int reg, unsigned long base,
-                                unsigned long size)
+static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
 {
 	return -ENODEV;
 }
+
 #define MTRR_TYPE_WRCOMB     1
 
 #endif
@@ -99,7 +98,7 @@ static __inline__ int mtrr_del (int reg, unsigned long base,
 
 #define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data
 
-/** 
+/**
  * Get the pointer to the SAREA.
  *
  * Searches the SAREA on the mapping lists and points drm_device::sarea to it.
@@ -143,7 +142,5 @@ do {								\
 	remove_wait_queue(&(queue), &entry);			\
 } while (0)
 
-
 #define DRM_WAKEUP( queue ) wake_up_interruptible( queue )
 #define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue )
-