Merge branch 'master' into crestline

Conflicts:

	shared-core/i915_drm.h

Whitespace change only

93 files changed, 827 insertions, 717 deletions

diff --git a/linux-core/.gitignore b/linux-core/.gitignore
new file mode 100644
index 00000000..1d045d63
--- /dev/null
+++ b/linux-core/.gitignore
@@ -0,0 +1 @@
+Module*.symvers
diff --git a/linux-core/Makefile b/linux-core/Makefile
index 3aecec43..590633b3 100644
--- a/linux-core/Makefile
+++ b/linux-core/Makefile
@@ -58,7 +58,7 @@ endif
 
 # Modules for all architectures
 MODULE_LIST := drm.o tdfx.o r128.o radeon.o mga.o sis.o savage.o via.o \
-               mach64.o nv.o
+               mach64.o nv.o nouveau.o
 
 # Modules only for ix86 architectures
 ifneq (,$(findstring 86,$(MACHINE)))
@@ -75,45 +75,27 @@ DRM_MODULES ?= $(MODULE_LIST)
 
 # These definitions are for handling dependencies in the out of kernel build.
 
-DRMSHARED =     drm.h drm_sarea.h drm_drawable.c
 DRMHEADERS =    drmP.h drm_compat.h drm_os_linux.h drm.h drm_sarea.h
 COREHEADERS =   drm_core.h drm_sman.h drm_hashtab.h 
 
 TDFXHEADERS =   tdfx_drv.h $(DRMHEADERS)
-TDFXSHARED =    tdfx_drv.h
 R128HEADERS =   r128_drv.h r128_drm.h $(DRMHEADERS)
-R128SHARED =    r128_drv.h r128_drm.h r128_cce.c r128_state.c r128_irq.c
 RADEONHEADERS = radeon_drv.h radeon_drm.h r300_reg.h $(DRMHEADERS)
-RADEONSHARED =  radeon_drv.h radeon_drm.h radeon_cp.c radeon_irq.c \
-                radeon_mem.c radeon_state.c r300_cmdbuf.c r300_reg.h
 MGAHEADERS =    mga_drv.h mga_drm.h mga_ucode.h $(DRMHEADERS)
-MGASHARED =     mga_dma.c mga_drm.h mga_drv.h mga_irq.c mga_state.c \
-                mga_ucode.h mga_warp.c
 I810HEADERS =   i810_drv.h i810_drm.h $(DRMHEADERS)
 I830HEADERS =   i830_drv.h i830_drm.h $(DRMHEADERS)
 I915HEADERS =   i915_drv.h i915_drm.h $(DRMHEADERS)
-I915SHARED  =   i915_drv.h i915_drm.h i915_irq.c i915_mem.c i915_dma.c
 SISHEADERS=     sis_drv.h sis_drm.h drm_hashtab.h drm_sman.h $(DRMHEADERS)
-SISSHARED=      sis_drv.h sis_drm.h
 SAVAGEHEADERS=  savage_drv.h savage_drm.h $(DRMHEADERS)
-SAVAGESHARED=	savage_drv.h savage_drm.h savage_bci.c savage_state.c
 VIAHEADERS =	via_drm.h via_drv.h via_3d_reg.h via_verifier.h $(DRMHEADERS)
-VIASHARED	= via_drm.h via_drv.h via_3d_reg.h via_drv.c via_irq.c via_map.c \
-		via_dma.c via_verifier.c via_verifier.h via_video.c
 MACH64HEADERS = mach64_drv.h mach64_drm.h $(DRMHEADERS)
-MACH64SHARED = 	mach64_drv.h mach64_drm.h mach64_dma.c \
-		mach64_irq.c mach64_state.c
 NVHEADERS =     nv_drv.h $(DRMHEADERS)
-NVSHARED  =     nv_drv.h
 FFBHEADERS = 	ffb_drv.h $(DRMHEADERS)
-
-SHAREDSRC = $(DRMSHARED) $(MGASHARED) $(R128SHARED) $(RADEONSHARED) \
-	$(SISSHARED) $(TDFXSHARED) $(VIASHARED) $(MACH64SHARED) \
-	$(I915SHARED) $(SAVAGESHARED) $(NVSHARED)
+NOUVEAUHEADERS = nouveau_drv.h nouveau_drm.h nouveau_reg.h $(DRMHEADERS)
 
 PROGS = dristat drmstat
 
-CLEANFILES = *.o *.ko $(PROGS) .depend .*.flags .*.d .*.cmd *.mod.c linux drm_pciids.h .tmp_versions
+CLEANFILES = *.o *.ko $(PROGS) .depend .*.flags .*.d .*.cmd *.mod.c drm_pciids.h .tmp_versions
 
 # VERSION is not defined from the initial invocation.  It is defined when
 # this Makefile is invoked from the kernel's root Makefile.
@@ -226,27 +208,13 @@ endif
 
 SHAREDDIR := ../shared-core
 
-HASSHARED := $(shell if [ -d $(SHAREDDIR) ]; then echo y; fi)
-
-ifeq ($(HASSHARED),y)
-includes:: $(SHAREDSRC) drm_pciids.h
+ifeq ($(shell if [ -d $(SHAREDDIR) ]; then echo y; fi),y)
+includes::  drm_pciids.h
 
 drm_pciids.h: $(SHAREDDIR)/drm_pciids.txt
 	sh ../scripts/create_linux_pci_lists.sh < $(SHAREDDIR)/drm_pciids.txt
-
-$(SHAREDSRC):
-	@if [ -r $(SHAREDDIR)/$@ ]; then \
-		(rm -f $@; set -x; ln -s $(SHAREDDIR)/$@ $@); fi
-
-CLEANFILES += $(SHAREDSRC)
 endif
 
-includes:: linux
-
-linux:
-	rm -f linux
-	ln -s . linux
-
 clean cleandir:
 	rm -rf $(CLEANFILES)
 
@@ -274,11 +242,11 @@ else
 
 # Check for kernel versions that we don't support.
 
-BELOW24 := $(shell if [ $(VERSION) -lt 2 -o $(PATCHLEVEL) -lt 4 ]; then \
+BELOW26 := $(shell if [ $(VERSION) -lt 2 -o $(PATCHLEVEL) -lt 6 ]; then \
 		echo y; fi)
 
-ifeq ($(BELOW24),y)
-$(error Only 2.4.x and later kernels are supported \
+ifeq ($(BELOW26),y)
+$(error Only 2.6.x and later kernels are supported \
 	($(VERSION).$(PATCHLEVEL).$(SUBLEVEL)))
 endif
 
@@ -291,30 +259,6 @@ endif
 # This needs to go before all other include paths.
 CC += -I$(DRMSRCDIR)
 
-# Check for Red Hat's 4-argument do_munmap().
-DOMUNMAP := $(shell grep do_munmap $(LINUXDIR)/include/linux/mm.h | \
-                grep -c acct)
-
-ifneq ($(DOMUNMAP),0)
-EXTRA_CFLAGS += -DDO_MUNMAP_4_ARGS
-endif
-
-# Check for 5-argument remap_page_range() in RH9 kernel, and 2.5.x kernels
-RPR := $(shell grep remap_page_range $(LINUXDIR)/include/linux/mm.h | \
-		grep -c vma)
-
-ifneq ($(RPR),0)
-EXTRA_CFLAGS += -DREMAP_PAGE_RANGE_5_ARGS
-endif
-
-# Check for 4-argument vmap() in some 2.5.x and 2.4.x kernels
-VMAP := $(shell grep -A1 'vmap.*count,$$' $(LINUXDIR)/include/linux/vmalloc.h | \
-		grep -c prot)
-
-ifneq ($(VMAP),0)
-EXTRA_CFLAGS += -DVMAP_4_ARGS
-endif
-
 # Check for PAGE_AGP definition
 PAGE_AGP := $(shell cat $(LINUXDIR)/include/asm/agp.h 2>/dev/null | \
 		grep -c PAGE_AGP)
@@ -323,7 +267,6 @@ ifneq ($(PAGE_AGP),0)
 EXTRA_CFLAGS += -DHAVE_PAGE_AGP
 endif
 
-
 # Start with all modules turned off.
 CONFIG_DRM_GAMMA := n
 CONFIG_DRM_TDFX := n
@@ -372,6 +315,9 @@ endif
 ifneq (,$(findstring nv,$(DRM_MODULES)))
 CONFIG_DRM_NV := m
 endif
+ifneq (,$(findstring nouveau,$(DRM_MODULES)))
+CONFIG_DRM_NOUVEAU := m
+endif
 
 # These require AGP support
 
@@ -402,6 +348,7 @@ $(savage-objs): $(SAVAGEHEADERS)
 $(via-objs):	$(VIAHEADERS)
 $(mach64-objs): $(MACH64HEADERS)
 $(nv-objs):     $(NVHEADERS)
+$(nouveau-objs): $(NOUVEAUHEADERS)
 
 endif
 
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index fba57ddf..b4ac2642 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -20,7 +20,9 @@ mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
 i810-objs   := i810_drv.o i810_dma.o
 i830-objs   := i830_drv.o i830_dma.o i830_irq.o
 i915-objs   := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \
-	i915_buffer.o
+		i915_buffer.o
+nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
+		nouveau_object.o nouveau_irq.o nv40_graph.o
 radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o
 sis-objs    := sis_drv.o sis_mm.o
 ffb-objs    := ffb_drv.o ffb_context.o
@@ -36,6 +38,7 @@ radeon-objs += radeon_ioc32.o
 mga-objs    += mga_ioc32.o
 r128-objs   += r128_ioc32.o
 i915-objs   += i915_ioc32.o
+nouveau-objs += nouveau_ioc32.o
 endif
 
 obj-m			+= drm.o
@@ -52,3 +55,4 @@ obj-$(CONFIG_DRM_SAVAGE)+= savage.o
 obj-$(CONFIG_DRM_VIA)   += via.o
 obj-$(CONFIG_DRM_MACH64)+= mach64.o
 obj-$(CONFIG_DRM_NV)    += nv.o
+obj-$(CONFIG_DRM_NOUVEAU) += nouveau.o
diff --git a/linux-core/drm.h b/linux-core/drm.h
new file mode 120000
index 00000000..29636692
--- /dev/null
+++ b/linux-core/drm.h
@@ -0,0 +1 @@
+../shared-core/drm.h
\ No newline at end of file
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index d02184c7..af8a544d 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -67,19 +67,11 @@
 #include <asm/mtrr.h>
 #endif
 #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+#include <asm/agp.h>
 #include <linux/types.h>
 #include <linux/agp_backend.h>
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41)
-#define HAS_WORKQUEUE 0
-#else
-#define HAS_WORKQUEUE 1
-#endif
-#if !HAS_WORKQUEUE
-#include <linux/tqueue.h>
-#else
 #include <linux/workqueue.h>
-#endif
 #include <linux/poll.h>
 #include <asm/pgalloc.h>
 #include "drm.h"
@@ -553,7 +545,8 @@ typedef struct drm_mm_node {
 } drm_mm_node_t;
 
 typedef struct drm_mm {
-	drm_mm_node_t root_node;
+	struct list_head fl_entry;
+	struct list_head ml_entry;
 } drm_mm_t;
 
 
@@ -755,17 +748,6 @@ typedef struct drm_head {
 	struct class_device *dev_class;
 } drm_head_t;
 
-typedef struct drm_cache {
-
-	/*
-	 * Memory caches
-	 */
-
-	kmem_cache_t *mm;
-	kmem_cache_t *fence_object;
-} drm_cache_t;
-
-
 
 typedef struct drm_fence_driver{
 	int no_types;
@@ -812,7 +794,11 @@ typedef struct drm_buffer_manager{
         struct list_head pinned[DRM_BO_MEM_TYPES];
 	struct list_head unfenced;
 	struct list_head ddestroy;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
         struct work_struct wq;
+#else
+        struct delayed_work wq;
+#endif
         uint32_t fence_type;
         unsigned long cur_pages;
         atomic_t count;
@@ -908,11 +894,8 @@ typedef struct drm_device {
 	unsigned long last_switch;	/**< jiffies at last context switch */
 	/*@} */
 
-#if !HAS_WORKQUEUE
-	struct tq_struct tq;
-#else
 	struct work_struct work;
-#endif
+
 	/** \name VBLANK IRQ support */
 	/*@{ */
 
@@ -940,12 +923,8 @@ typedef struct drm_device {
 	int pci_vendor;			/**< PCI vendor id */
 	int pci_device;			/**< PCI device id */
 #ifdef __alpha__
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
-	struct pci_controler *hose;
-#else
 	struct pci_controller *hose;
 #endif
-#endif
 	drm_sg_mem_t *sg;		/**< Scatter gather memory */
 	unsigned long *ctx_bitmap;	/**< context bitmap */
 	void *dev_private;		/**< device private data */
@@ -1094,6 +1073,7 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
 }
 
 #define drm_core_has_MTRR(dev) (0)
+#define DRM_MTRR_WC		0
 #endif
 
 
@@ -1318,7 +1298,6 @@ extern int drm_put_head(drm_head_t * head);
 extern unsigned int drm_debug; /* 1 to enable debug output */
 extern unsigned int drm_cards_limit;
 extern drm_head_t **drm_heads;
-extern drm_cache_t drm_cache;
 extern struct drm_sysfs_class *drm_class;
 extern struct proc_dir_entry *drm_proc_root;
 
@@ -1478,26 +1457,8 @@ extern int drm_fence_buffer_objects(drm_file_t * priv,
 				    drm_fence_object_t *fence,
 				    drm_fence_object_t **used_fence);
 
-
-/* Inline replacements for DRM_IOREMAP macros */
-static __inline__ void drm_core_ioremap(struct drm_map *map,
-					struct drm_device *dev)
-{
-	map->handle = drm_ioremap(map->offset, map->size, dev);
-}
-
-static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
-						struct drm_device *dev)
-{
-	map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
-}
-
-static __inline__ void drm_core_ioremapfree(struct drm_map *map,
-					    struct drm_device *dev)
-{
-	if (map->handle && map->size)
-		drm_ioremapfree(map->handle, map->size, dev);
-}
+extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
+extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
 
 static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
 						   unsigned int token)
@@ -1581,25 +1542,6 @@ static inline void drm_ctl_free(void *pt, size_t size, int area)
 	drm_free_memctl(size);
 }
 
-static inline void *drm_ctl_cache_alloc(kmem_cache_t *cache, size_t size, 
-					int flags)
-{
-	void *ret;
-	if (drm_alloc_memctl(size))
-		return NULL;
-	ret = kmem_cache_alloc(cache, flags);
-	if (!ret)
-		drm_free_memctl(size);
-	return ret;
-}
-
-static inline void drm_ctl_cache_free(kmem_cache_t *cache, size_t size,
-				      void *obj)
-{
-	kmem_cache_free(cache, obj);
-	drm_free_memctl(size);
-}
-
 /*@}*/
 
 #endif				/* __KERNEL__ */
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index a5f1f9ee..9cdbdaf0 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -106,10 +106,6 @@ int drm_agp_acquire(drm_device_t * dev)
 		return -ENODEV;
 	if (dev->agp->acquired)
 		return -EBUSY;
-#ifndef VMAP_4_ARGS
-	if (dev->agp->cant_use_aperture)
-		return -EINVAL;
-#endif
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
 	if ((retcode = agp_backend_acquire()))
 		return retcode;
@@ -563,6 +559,8 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
 #define AGP_USER_MEMORY (AGP_USER_TYPES)
 #define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1)
 #endif
+#define AGP_REQUIRED_MAJOR 0
+#define AGP_REQUIRED_MINOR 102
 
 static int drm_agp_needs_unbind_cache_adjust(drm_ttm_backend_t *backend) {
 	return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1);
@@ -673,6 +671,24 @@ drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
 
         drm_ttm_backend_t *agp_be;
 	drm_agp_ttm_priv *agp_priv;
+	struct agp_kern_info *info;
+
+	if (!dev->agp) {
+		DRM_ERROR("AGP is not initialized.\n");
+		return NULL;
+	}
+	info = &dev->agp->agp_info;
+
+	if (info->version.major != AGP_REQUIRED_MAJOR ||
+	    info->version.minor < AGP_REQUIRED_MINOR) {
+		DRM_ERROR("Wrong agpgart version %d.%d\n"
+			  "\tYou need at least version %d.%d.\n",
+			  info->version.major,
+			  info->version.minor,
+			  AGP_REQUIRED_MAJOR,
+			  AGP_REQUIRED_MINOR);
+		return NULL;
+	}
 
 	agp_be = (backend != NULL) ? backend:
 		drm_ctl_calloc(1, sizeof(*agp_be), DRM_MEM_MAPPINGS);
@@ -687,6 +703,7 @@ drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
 		return NULL;
 	}
 	
+		
 	agp_priv->mem = NULL;
 	agp_priv->alloc_type = AGP_USER_MEMORY;
 	agp_priv->cached_type = AGP_USER_CACHED_MEMORY;
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 65e24fb6..c0e431b4 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -352,10 +352,20 @@ static void drm_bo_delayed_delete(drm_device_t * dev, int remove_all)
 
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 static void drm_bo_delayed_workqueue(void *data)
+#else
+static void drm_bo_delayed_workqueue(struct work_struct *work)
+#endif
 {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 	drm_device_t *dev = (drm_device_t *) data;
 	drm_buffer_manager_t *bm = &dev->bm;
+#else
+	drm_buffer_manager_t *bm = container_of(work, drm_buffer_manager_t, wq.work);
+	drm_device_t *dev = container_of(bm, drm_device_t, bm);
+#endif
+
 
 	DRM_DEBUG("Delayed delete Worker\n");
 
@@ -1904,7 +1914,11 @@ int drm_bo_driver_init(drm_device_t * dev)
 	if (ret)
 		goto out_unlock;
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 	INIT_WORK(&bm->wq, &drm_bo_delayed_workqueue, dev);
+#else
+	INIT_DELAYED_WORK(&bm->wq, drm_bo_delayed_workqueue);
+#endif
 	bm->initialized = 1;
 	bm->nice_mode = 1;
 	atomic_set(&bm->count, 0);
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index d6ebc8d1..8793ba0e 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -179,7 +179,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
 			}
 		}
 		if (map->type == _DRM_REGISTERS)
-			map->handle = drm_ioremap(map->offset, map->size, dev);
+			map->handle = ioremap(map->offset, map->size);
 		break;
 	case _DRM_SHM:
 		list = drm_find_matching_map(dev, map);
@@ -195,7 +195,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
 			*maplist = list;
 			return 0;
 		}
-		map->handle = vmalloc_32(map->size);
+		map->handle = vmalloc_user(map->size);
 		DRM_DEBUG("%lu %d %p\n",
 			  map->size, drm_order(map->size), map->handle);
 		if (!map->handle) {
@@ -279,6 +279,8 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
 
 	list = drm_alloc(sizeof(*list), DRM_MEM_MAPS);
 	if (!list) {
+		if (map->type == _DRM_REGISTERS)
+			iounmap(map->handle);
 		drm_free(map, sizeof(*map), DRM_MEM_MAPS);
 		return -EINVAL;
 	}
@@ -295,6 +297,8 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
 	ret = drm_map_handle(dev, &list->hash, user_token, 0);
 
 	if (ret) {
+		if (map->type == _DRM_REGISTERS)
+			iounmap(map->handle);
 		drm_free(map, sizeof(*map), DRM_MEM_MAPS);
 		drm_free(list, sizeof(*list), DRM_MEM_MAPS);
 		mutex_unlock(&dev->struct_mutex);
@@ -402,7 +406,7 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
 
 	switch (map->type) {
 	case _DRM_REGISTERS:
-		drm_ioremapfree(map->handle, map->size, dev);
+		iounmap(map->handle);
 		/* FALLTHROUGH */
 	case _DRM_FRAME_BUFFER:
 		if (drm_core_has_MTRR(dev) && map->mtrr >= 0) {
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index b466f8bd..6bb58424 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -251,7 +251,8 @@ struct page *drm_vm_ttm_nopage(struct vm_area_struct *vma,
 			page = NOPAGE_OOM;
 			goto out;
 		}
-		page = ttm->pages[page_offset] = drm_alloc_gatt_pages(0);
+		page = ttm->pages[page_offset] = 
+			alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
 		if (!page) {
 		        drm_free_memctl(PAGE_SIZE);
 			page = NOPAGE_OOM;
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index a1a94399..3cb5d202 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -31,7 +31,6 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include <asm/agp.h>
 #ifndef _DRM_COMPAT_H_
 #define _DRM_COMPAT_H_
 
@@ -57,6 +56,12 @@
 #define module_param(name, type, perm)
 #endif
 
+/* older kernels had different irq args */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#undef DRM_IRQ_ARGS
+#define DRM_IRQ_ARGS		int irq, void *arg, struct pt_regs *regs
+#endif
+
 #ifndef list_for_each_safe
 #define list_for_each_safe(pos, n, head)				\
 	for (pos = (head)->next, n = pos->next; pos != (head);		\
@@ -80,92 +85,6 @@
              pos = n, n = list_entry(n->member.next, typeof(*n), member))
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
-static inline struct page *vmalloc_to_page(void *vmalloc_addr)
-{
-	unsigned long addr = (unsigned long)vmalloc_addr;
-	struct page *page = NULL;
-	pgd_t *pgd = pgd_offset_k(addr);
-	pmd_t *pmd;
-	pte_t *ptep, pte;
-
-	if (!pgd_none(*pgd)) {
-		pmd = pmd_offset(pgd, addr);
-		if (!pmd_none(*pmd)) {
-			preempt_disable();
-			ptep = pte_offset_map(pmd, addr);
-			pte = *ptep;
-			if (pte_present(pte))
-				page = pte_page(pte);
-			pte_unmap(ptep);
-			preempt_enable();
-		}
-	}
-	return page;
-}
-#endif
-
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2)
-#define down_write down
-#define up_write up
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#define DRM_PCI_DEV(pdev) &pdev->dev
-#else
-#define DRM_PCI_DEV(pdev) NULL
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-static inline unsigned iminor(struct inode *inode)
-{
-	return MINOR(inode->i_rdev);
-}
-
-#define old_encode_dev(x) (x)
-
-struct drm_sysfs_class;
-struct class_simple;
-struct device;
-
-#define pci_dev_put(x) do {} while (0)
-#define pci_get_subsys pci_find_subsys
-
-static inline struct class_device *DRM(sysfs_device_add) (struct drm_sysfs_class
-							  * cs, dev_t dev,
-							  struct device *
-							  device,
-							  const char *fmt,
-							  ...) {
-	return NULL;
-}
-
-static inline void DRM(sysfs_device_remove) (dev_t dev) {
-}
-
-static inline void DRM(sysfs_destroy) (struct drm_sysfs_class * cs) {
-}
-
-static inline struct drm_sysfs_class *DRM(sysfs_create) (struct module * owner,
-							 char *name) {
-	return NULL;
-}
-
-#ifndef pci_pretty_name
-#define pci_pretty_name(x) x->name
-#endif
-
-struct drm_device;
-static inline int radeon_create_i2c_busses(struct drm_device *dev)
-{
-	return 0;
-};
-static inline void radeon_delete_i2c_busses(struct drm_device *dev)
-{
-};
-
-#endif
-
 #ifndef __user
 #define __user
 #endif
@@ -178,22 +97,27 @@ static inline void radeon_delete_i2c_busses(struct drm_device *dev)
 #define __GFP_COMP 0
 #endif
 
-#ifndef REMAP_PAGE_RANGE_5_ARGS
-#define DRM_RPR_ARG(vma)
-#else
-#define DRM_RPR_ARG(vma) vma,
-#endif
-
 #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
 static inline int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t pgprot)
 {
-  return remap_page_range(DRM_RPR_ARG(vma) from, 
+  return remap_page_range(vma, from, 
 			  pfn << PAGE_SHIFT,
 			  size,
 			  pgprot);
 }
+
+static __inline__ void *kcalloc(size_t nmemb, size_t size, int flags)
+{
+	void *addr;
+
+	addr = kmalloc(size * nmemb, flags);
+	if (addr != NULL)
+		memset((void *)addr, 0, size * nmemb);
+
+	return addr;
+}
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
@@ -215,10 +139,6 @@ static inline int remap_pfn_range(struct vm_area_struct *vma, unsigned long from
 #define __x86_64__
 #endif
 
-#ifndef pci_pretty_name
-#define pci_pretty_name(dev) ""
-#endif
-
 /* sysfs __ATTR macro */
 #ifndef __ATTR
 #define __ATTR(_name,_mode,_show,_store) { \
@@ -228,10 +148,17 @@ static inline int remap_pfn_range(struct vm_area_struct *vma, unsigned long from
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
+#define vmalloc_user(_size) ({void * tmp = vmalloc(_size);   \
+      if (tmp) memset(tmp, 0, size);			     \
+      (tmp);})
+#endif
+
+
 #include <linux/mm.h>
 #include <asm/page.h>
 
-#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) && \
+#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && \
      (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))) 
 #define DRM_ODD_MM_COMPAT
 #endif
@@ -253,16 +180,9 @@ extern void drm_clear_vma(struct vm_area_struct *vma,
 
 extern pgprot_t vm_get_page_prot(unsigned long vm_flags);
 
-/*
- * These are similar to the current kernel gatt pages allocator, only that we
- * want a struct page pointer instead of a virtual address. This allows for pages
- * that are not in the kernel linear map.
- */
-
-#define drm_alloc_gatt_pages(order) ({					\
-			void *_virt = alloc_gatt_pages(order);		\
-			((_virt) ? virt_to_page(_virt) : NULL);})
-#define drm_free_gatt_pages(pages, order) free_gatt_pages(page_address(pages), order) 
+#ifndef GFP_DMA32
+#define GFP_DMA32 0
+#endif
 
 #if defined(CONFIG_X86) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
 
@@ -288,7 +208,7 @@ extern struct page *drm_vm_ttm_fault(struct vm_area_struct *vma,
 #endif
 
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
 
 /*
  * Hopefully, real NOPAGE_RETRY functionality will be in 2.6.19. 
diff --git a/linux-core/drm_drawable.c b/linux-core/drm_drawable.c
new file mode 100644
index 00000000..0817e321
--- /dev/null
+++ b/linux-core/drm_drawable.c
@@ -0,0 +1,330 @@
+/**
+ * \file drm_drawable.c
+ * IOCTLs for drawables
+ *
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ * \author Gareth Hughes <gareth@valinux.com>
+ * \author Michel Dänzer <michel@tungstengraphics.com>
+ */
+
+/*
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, North Dakota.
+ * 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
+ * VA LINUX SYSTEMS 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.
+ */
+
+#include "drmP.h"
+
+/**
+ * Allocate drawable ID and memory to store information about it.
+ */
+int drm_adddraw(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	unsigned long irqflags;
+	int i, j;
+	u32 *bitfield = dev->drw_bitfield;
+	unsigned int bitfield_length = dev->drw_bitfield_length;
+	drm_drawable_info_t **info = dev->drw_info;
+	unsigned int info_length = dev->drw_info_length;
+	drm_draw_t draw;
+
+	for (i = 0, j = 0; i < bitfield_length; i++) {
+		if (bitfield[i] == ~0)
+			continue;
+
+		for (; j < 8 * sizeof(*bitfield); j++)
+			if (!(bitfield[i] & (1 << j)))
+				goto done;
+	}
+done:
+
+	if (i == bitfield_length) {
+		bitfield_length++;
+
+		bitfield = drm_alloc(bitfield_length * sizeof(*bitfield),
+				     DRM_MEM_BUFS);
+
+		if (!bitfield) {
+			DRM_ERROR("Failed to allocate new drawable bitfield\n");
+			return DRM_ERR(ENOMEM);
+		}
+
+		if (8 * sizeof(*bitfield) * bitfield_length > info_length) {
+			info_length += 8 * sizeof(*bitfield);
+
+			info = drm_alloc(info_length * sizeof(*info),
+					 DRM_MEM_BUFS);
+
+			if (!info) {
+				DRM_ERROR("Failed to allocate new drawable info"
+					  " array\n");
+
+				drm_free(bitfield,
+					 bitfield_length * sizeof(*bitfield),
+					 DRM_MEM_BUFS);
+				return DRM_ERR(ENOMEM);
+			}
+		}
+
+		bitfield[i] = 0;
+	}
+
+	draw.handle = i * 8 * sizeof(*bitfield) + j + 1;
+	DRM_DEBUG("%d\n", draw.handle);
+
+	spin_lock_irqsave(&dev->drw_lock, irqflags);
+
+	bitfield[i] |= 1 << j;
+	info[draw.handle - 1] = NULL;
+
+	if (bitfield != dev->drw_bitfield) {
+		memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length *
+		       sizeof(*bitfield));
+		drm_free(dev->drw_bitfield, sizeof(*bitfield) *
+			 dev->drw_bitfield_length, DRM_MEM_BUFS);
+		dev->drw_bitfield = bitfield;
+		dev->drw_bitfield_length = bitfield_length;
+	}
+
+	if (info != dev->drw_info) {
+		memcpy(info, dev->drw_info, dev->drw_info_length *
+		       sizeof(*info));
+		drm_free(dev->drw_info, sizeof(*info) * dev->drw_info_length,
+			 DRM_MEM_BUFS);
+		dev->drw_info = info;
+		dev->drw_info_length = info_length;
+	}
+
+	spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+
+	DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw));
+
+	return 0;
+}
+
+/**
+ * Free drawable ID and memory to store information about it.
+ */
+int drm_rmdraw(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_draw_t draw;
+	int id, idx;
+	unsigned int shift;
+	unsigned long irqflags;
+	u32 *bitfield = dev->drw_bitfield;
+	unsigned int bitfield_length = dev->drw_bitfield_length;
+	drm_drawable_info_t **info = dev->drw_info;
+	unsigned int info_length = dev->drw_info_length;
+
+	DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data,
+				 sizeof(draw));
+
+	id = draw.handle - 1;
+	idx = id / (8 * sizeof(*bitfield));
+	shift = id % (8 * sizeof(*bitfield));
+
+	if (idx < 0 || idx >= bitfield_length ||
+	    !(bitfield[idx] & (1 << shift))) {
+		DRM_DEBUG("No such drawable %d\n", draw.handle);
+		return 0;
+	}
+
+	spin_lock_irqsave(&dev->drw_lock, irqflags);
+
+	bitfield[idx] &= ~(1 << shift);
+
+	spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+
+	if (info[id]) {
+		drm_free(info[id]->rects, info[id]->num_rects *
+			 sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+		drm_free(info[id], sizeof(**info), DRM_MEM_BUFS);
+	}
+
+	/* Can we shrink the arrays? */
+	if (idx == bitfield_length - 1) {
+		while (idx >= 0 && !bitfield[idx])
+			--idx;
+
+		bitfield_length = idx + 1;
+
+		if (idx != id / (8 * sizeof(*bitfield)))
+			bitfield = drm_alloc(bitfield_length *
+					     sizeof(*bitfield), DRM_MEM_BUFS);
+
+		if (!bitfield && bitfield_length) {
+			bitfield = dev->drw_bitfield;
+			bitfield_length = dev->drw_bitfield_length;
+		}
+	}
+
+	if (bitfield != dev->drw_bitfield) {
+		info_length = 8 * sizeof(*bitfield) * bitfield_length;
+
+		info = drm_alloc(info_length * sizeof(*info), DRM_MEM_BUFS);
+
+		if (!info && info_length) {
+			info = dev->drw_info;
+			info_length = dev->drw_info_length;
+		}
+
+		spin_lock_irqsave(&dev->drw_lock, irqflags);
+
+		memcpy(bitfield, dev->drw_bitfield, bitfield_length *
+		       sizeof(*bitfield));
+		drm_free(dev->drw_bitfield, sizeof(*bitfield) *
+			 dev->drw_bitfield_length, DRM_MEM_BUFS);
+		dev->drw_bitfield = bitfield;
+		dev->drw_bitfield_length = bitfield_length;
+
+		if (info != dev->drw_info) {
+			memcpy(info, dev->drw_info, info_length *
+			       sizeof(*info));
+			drm_free(dev->drw_info, sizeof(*info) *
+				 dev->drw_info_length, DRM_MEM_BUFS);
+			dev->drw_info = info;
+			dev->drw_info_length = info_length;
+		}
+
+		spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+	}
+
+	DRM_DEBUG("%d\n", draw.handle);
+	return 0;
+}
+
+int drm_update_drawable_info(DRM_IOCTL_ARGS) {
+	DRM_DEVICE;
+	drm_update_draw_t update;
+	unsigned int id, idx, shift, bitfield_length = dev->drw_bitfield_length;
+	u32 *bitfield = dev->drw_bitfield;
+	unsigned long irqflags;
+	drm_drawable_info_t *info;
+	drm_clip_rect_t *rects;
+	int err;
+
+	DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data,
+				 sizeof(update));
+
+	id = update.handle - 1;
+	idx = id / (8 * sizeof(*bitfield));
+	shift = id % (8 * sizeof(*bitfield));
+
+	if (idx < 0 || idx >= bitfield_length ||
+	    !(bitfield[idx] & (1 << shift))) {
+		DRM_ERROR("No such drawable %d\n", update.handle);
+		return DRM_ERR(EINVAL);
+	}
+
+	info = dev->drw_info[id];
+
+	if (!info) {
+		info = drm_calloc(1, sizeof(drm_drawable_info_t), DRM_MEM_BUFS);
+
+		if (!info) {
+			DRM_ERROR("Failed to allocate drawable info memory\n");
+			return DRM_ERR(ENOMEM);
+		}
+	}
+
+	switch (update.type) {
+	case DRM_DRAWABLE_CLIPRECTS:
+		if (update.num != info->num_rects) {
+			rects = drm_alloc(update.num * sizeof(drm_clip_rect_t),
+					 DRM_MEM_BUFS);
+		} else
+			rects = info->rects;
+
+		if (update.num && !rects) {
+			DRM_ERROR("Failed to allocate cliprect memory\n");
+			err = DRM_ERR(ENOMEM);
+			goto error;
+		}
+
+		if (update.num && DRM_COPY_FROM_USER(rects,
+						     (drm_clip_rect_t __user *)
+						     (unsigned long)update.data,
+						     update.num *
+						     sizeof(*rects))) {
+			DRM_ERROR("Failed to copy cliprects from userspace\n");
+			err = DRM_ERR(EFAULT);
+			goto error;
+		}
+
+		spin_lock_irqsave(&dev->drw_lock, irqflags);
+
+		if (rects != info->rects) {
+			drm_free(info->rects, info->num_rects *
+				 sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+		}
+
+		info->rects = rects;
+		info->num_rects = update.num;
+		dev->drw_info[id] = info;
+
+		spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+
+		DRM_DEBUG("Updated %d cliprects for drawable %d\n",
+			  info->num_rects, id);
+		break;
+	default:
+		DRM_ERROR("Invalid update type %d\n", update.type);
+		return DRM_ERR(EINVAL);
+	}
+
+	return 0;
+
+error:
+	if (!dev->drw_info[id])
+		drm_free(info, sizeof(*info), DRM_MEM_BUFS);
+	else if (rects != dev->drw_info[id]->rects)
+		drm_free(rects, update.num *
+			 sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+
+	return err;
+}
+
+/**
+ * Caller must hold the drawable spinlock!
+ */
+drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) {
+	u32 *bitfield = dev->drw_bitfield;
+	unsigned int idx, shift;
+
+	id--;
+	idx = id / (8 * sizeof(*bitfield));
+	shift = id % (8 * sizeof(*bitfield));
+
+	if (idx < 0 || idx >= dev->drw_bitfield_length ||
+	    !(bitfield[idx] & (1 << shift))) {
+		DRM_DEBUG("No such drawable %d\n", id);
+		return NULL;
+	}
+
+	return dev->drw_info[id];
+}
+EXPORT_SYMBOL(drm_get_drawable_info);
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 518e2aa3..45f563ff 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -446,52 +446,6 @@ static struct file_operations drm_stub_fops = {
 	.open = drm_stub_open
 };
 
-static int drm_create_memory_caches(void)
-{
-	drm_cache.mm = kmem_cache_create("drm_mm_node_t", 
-					 sizeof(drm_mm_node_t),
-					 0,
-					 SLAB_HWCACHE_ALIGN,
-					 NULL,NULL);
-	if (!drm_cache.mm)
-		return -ENOMEM;
-
-	drm_cache.fence_object= kmem_cache_create("drm_fence_object_t", 
-						  sizeof(drm_fence_object_t),
-						  0,
-						  SLAB_HWCACHE_ALIGN,
-						  NULL,NULL);
-	if (!drm_cache.fence_object)
-		return -ENOMEM;
-
-	return 0;
-}
-
-static void drm_free_mem_cache(kmem_cache_t *cache, 
-			       const char *name)
-{
-	if (!cache)
-		return;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-	if (kmem_cache_destroy(cache)) {
-		DRM_ERROR("Warning! DRM is leaking %s memory.\n",
-			  name);
-	}
-#else
-	kmem_cache_destroy(cache);
-#endif
-}
-
-static void drm_free_memory_caches(void )
-{
-	
-	drm_free_mem_cache(drm_cache.fence_object, "fence object");
-	drm_cache.fence_object = NULL;
-	drm_free_mem_cache(drm_cache.mm, "memory manager block");
-	drm_cache.mm = NULL;
-}
-
-
 static int __init drm_core_init(void)
 {
 	int ret;
@@ -499,9 +453,6 @@ static int __init drm_core_init(void)
 	
 	si_meminfo(&si);
 	drm_init_memctl(si.totalram/2, si.totalram*3/4);
-	ret = drm_create_memory_caches();
-	if (ret)
-		goto err_p1;
 
 	ret = -ENOMEM;
 	drm_cards_limit =
@@ -539,13 +490,11 @@ err_p2:
 	unregister_chrdev(DRM_MAJOR, "drm");
 	drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
 err_p1:
-	drm_free_memory_caches();
 	return ret;
 }
 
 static void __exit drm_core_exit(void)
 {
-	drm_free_memory_caches();
 	remove_proc_entry("dri", NULL);
 	drm_sysfs_destroy(drm_class);
 
diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c
index f656340e..06d48255 100644
--- a/linux-core/drm_fence.c
+++ b/linux-core/drm_fence.c
@@ -117,8 +117,7 @@ void drm_fence_usage_deref_locked(drm_device_t * dev,
 		DRM_DEBUG("Destroyed a fence object 0x%08lx\n",
 			  fence->base.hash.key);
 		atomic_dec(&fm->count);
-		drm_ctl_cache_free(drm_cache.fence_object, sizeof(*fence),
-				   fence);
+		drm_ctl_free(fence, sizeof(*fence), DRM_MEM_FENCE);
 	}
 }
 
@@ -132,8 +131,7 @@ void drm_fence_usage_deref_unlocked(drm_device_t * dev,
 		if (atomic_read(&fence->usage) == 0) {
 			drm_fence_unring(dev, &fence->ring);
 			atomic_dec(&fm->count);
-			drm_ctl_cache_free(drm_cache.fence_object,
-					   sizeof(*fence), fence);
+			drm_ctl_free(fence, sizeof(*fence), DRM_MEM_FENCE);
 		}
 		mutex_unlock(&dev->struct_mutex);
 	}
@@ -439,8 +437,7 @@ int drm_fence_object_create(drm_device_t * dev, uint32_t type,
 	int ret;
 	drm_fence_manager_t *fm = &dev->fm;
 
-	fence = drm_ctl_cache_alloc(drm_cache.fence_object,
-				    sizeof(*fence), GFP_KERNEL);
+	fence = drm_ctl_alloc(sizeof(*fence), DRM_MEM_FENCE);
 	if (!fence)
 		return -ENOMEM;
 	ret = drm_fence_object_init(dev, type, flags, fence);
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index b60ced34..84e06c87 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -46,7 +46,7 @@ static int drm_setup(drm_device_t * dev)
 	drm_local_map_t *map;
 	int i;
 	int ret;
-
+	int sareapage;
 
 	if (dev->driver->firstopen) {
 		ret = dev->driver->firstopen(dev);
@@ -57,8 +57,8 @@ static int drm_setup(drm_device_t * dev)
 	dev->magicfree.next = NULL;
 
 	/* prebuild the SAREA */
-
-	i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
+	sareapage = max(SAREA_MAX, PAGE_SIZE);
+	i = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
 	if (i != 0)
 		return i;
 
@@ -426,7 +426,7 @@ int drm_release(struct inode *inode, struct file *filp)
 		  current->pid, (long)old_encode_dev(priv->head->device),
 		  dev->open_count);
 
-	if (dev->driver->reclaim_buffers_locked) {
+	if (dev->driver->reclaim_buffers_locked && dev->lock.hw_lock) {
 	        unsigned long _end = jiffies + DRM_HZ*3;
 
 		do {
@@ -446,12 +446,12 @@ int drm_release(struct inode *inode, struct file *filp)
 			 * holds the lock. Then we can run reclaim buffers locked anyway.
 			 */
 
-			DRM_ERROR("Reclaim buffers locked deadlock.\n");
-			DRM_ERROR("This is probably a single thread having multiple\n");
-			DRM_ERROR("DRM file descriptors open either dying or "
-				  "closing file descriptors\n");
-			DRM_ERROR("while having the lock. I will not reclaim buffers.\n");
-			DRM_ERROR("Locking context is 0x%08x\n",
+			DRM_ERROR("Reclaim buffers locked deadlock.\n"
+				  "\tThis is probably a single thread having multiple\n"
+				  "\tDRM file descriptors open either dying or"
+				  " closing file descriptors\n"
+				  "\twhile having the lock. I will not reclaim buffers.\n"
+				  "\tLocking context is 0x%08x\n",
 				  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
 		}
 	} else if (drm_i_have_hw_lock(filp)) {
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
index 776f462e..3dcc4bfb 100644
--- a/linux-core/drm_ioctl.c
+++ b/linux-core/drm_ioctl.c
@@ -337,7 +337,7 @@ int drm_setversion(DRM_IOCTL_ARGS)
 	retv.drm_dd_major = dev->driver->major;
 	retv.drm_dd_minor = dev->driver->minor;
 
-	if (copy_to_user(argp, &retv, sizeof(sv)))
+	if (copy_to_user(argp, &retv, sizeof(retv)))
 		return -EFAULT;
 
 	if (sv.drm_di_major != -1) {
diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c
index 3370c279..62f54b67 100644
--- a/linux-core/drm_memory.c
+++ b/linux-core/drm_memory.c
@@ -134,13 +134,7 @@ int drm_mem_info(char *buf, char **start, off_t offset,
 /** Wrapper around kmalloc() */
 void *drm_calloc(size_t nmemb, size_t size, int area)
 {
-	void *addr;
-
-	addr = kmalloc(size * nmemb, GFP_KERNEL);
-	if (addr != NULL)
-		memset((void *)addr, 0, size * nmemb);
-
-	return addr;
+	return kcalloc(nmemb, size, GFP_KERNEL);
 }
 EXPORT_SYMBOL(drm_calloc);
 
@@ -250,3 +244,26 @@ int drm_unbind_agp(DRM_AGP_MEM * handle)
 }
 #endif				/* agp */
 #endif				/* debug_memory */
+
+void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
+{
+	if (drm_core_has_AGP(dev) &&
+	    dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
+		map->handle = agp_remap(map->offset, map->size, dev);
+	else
+		map->handle = ioremap(map->offset, map->size);
+}
+EXPORT_SYMBOL_GPL(drm_core_ioremap);
+
+void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
+{
+	if (!map->handle || !map->size)
+		return;
+
+	if (drm_core_has_AGP(dev) &&
+	    dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
+		vunmap(map->handle);
+	else
+		iounmap(map->handle);
+}
+EXPORT_SYMBOL_GPL(drm_core_ioremapfree);
diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h
index 4a2c3583..32b89e5f 100644
--- a/linux-core/drm_memory.h
+++ b/linux-core/drm_memory.h
@@ -43,7 +43,7 @@
  */
 
 /* Need the 4-argument version of vmap().  */
-#if __OS_HAS_AGP && defined(VMAP_4_ARGS)
+#if __OS_HAS_AGP
 
 #include <linux/vmalloc.h>
 
@@ -57,18 +57,6 @@
 # endif
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#ifndef pte_offset_kernel
-# define pte_offset_kernel(dir, address)	pte_offset(dir, address)
-#endif
-#ifndef pte_pfn
-# define pte_pfn(pte)				(pte_page(pte) - mem_map)
-#endif
-#ifndef pfn_to_page
-# define pfn_to_page(pfn)			(mem_map + (pfn))
-#endif
-#endif
-
 /*
  * Find the drm_map that covers the range [offset, offset+size).
  */
@@ -134,19 +122,6 @@ static inline void *agp_remap(unsigned long offset, unsigned long size,
 	return addr;
 }
 
-static inline unsigned long drm_follow_page(void *vaddr)
-{
-	pgd_t *pgd = pgd_offset_k((unsigned long) vaddr);
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)
-	pmd_t *pmd = pmd_offset(pgd, (unsigned long)vaddr);
-#else
-	pud_t *pud = pud_offset(pgd, (unsigned long) vaddr);
-	pmd_t *pmd = pmd_offset(pud, (unsigned long) vaddr);
-#endif
-	pte_t *ptep = pte_offset_kernel(pmd, (unsigned long) vaddr);
-	return pte_pfn(*ptep) << PAGE_SHIFT;
-}
-
 #else				/* __OS_HAS_AGP */
 
 static inline drm_map_t *drm_lookup_map(unsigned long offset,
@@ -161,73 +136,4 @@ static inline void *agp_remap(unsigned long offset, unsigned long size,
 	return NULL;
 }
 
-static inline unsigned long drm_follow_page(void *vaddr)
-{
-	return 0;
-}
-#endif
-
-#ifndef DEBUG_MEMORY
-static inline void *drm_ioremap(unsigned long offset, unsigned long size,
-				drm_device_t * dev)
-{
-#if defined(VMAP_4_ARGS)
-	if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
-		drm_map_t *map = drm_lookup_map(offset, size, dev);
-
-		if (map && map->type == _DRM_AGP)
-			return agp_remap(offset, size, dev);
-	}
-#endif
-
-	return ioremap(offset, size);
-}
-
-static inline void *drm_ioremap_nocache(unsigned long offset,
-					unsigned long size, drm_device_t * dev)
-{
-#if defined(VMAP_4_ARGS)
-	if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) {
-		drm_map_t *map = drm_lookup_map(offset, size, dev);
-
-		if (map && map->type == _DRM_AGP)
-			return agp_remap(offset, size, dev);
-	}
-#endif
-
-	return ioremap_nocache(offset, size);
-}
-
-static inline void drm_ioremapfree(void *pt, unsigned long size,
-				   drm_device_t * dev)
-{
-#if defined(VMAP_4_ARGS)
-	/*
-	 * This is a bit ugly.  It would be much cleaner if the DRM API would use separate
-	 * routines for handling mappings in the AGP space.  Hopefully this can be done in
-	 * a future revision of the interface...
-	 */
-	if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture
-	    && ((unsigned long)pt >= VMALLOC_START
-		&& (unsigned long)pt < VMALLOC_END)) {
-		unsigned long offset;
-		drm_map_t *map;
-
-		offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK);
-		map = drm_lookup_map(offset, size, dev);
-		if (map && map->type == _DRM_AGP) {
-			vunmap(pt);
-			return;
-		}
-	}
-#endif
-	iounmap(pt);
-}
-#else
-extern void *drm_ioremap(unsigned long offset, unsigned long size,
-				drm_device_t * dev);
-extern void *drm_ioremap_nocache(unsigned long offset,
-					unsigned long size, drm_device_t * dev);
-extern void drm_ioremapfree(void *pt, unsigned long size,
-				   drm_device_t * dev);
 #endif
diff --git a/linux-core/drm_memory_debug.c b/linux-core/drm_memory_debug.c
index aa1b2922..c124f8f8 100644
--- a/linux-core/drm_memory_debug.c
+++ b/linux-core/drm_memory_debug.c
@@ -289,79 +289,6 @@ void drm_free_pages(unsigned long address, int order, int area)
 	}
 }
 
-void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t * dev)
-{
-	void *pt;
-
-	if (!size) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Mapping 0 bytes at 0x%08lx\n", offset);
-		return NULL;
-	}
-
-	if (!(pt = drm_ioremap(offset, size, dev))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
-		spin_unlock(&drm_mem_lock);
-		return NULL;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
-	spin_unlock(&drm_mem_lock);
-	return pt;
-}
-EXPORT_SYMBOL(drm_ioremap);
-
-void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
-			  drm_device_t * dev)
-{
-	void *pt;
-
-	if (!size) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Mapping 0 bytes at 0x%08lx\n", offset);
-		return NULL;
-	}
-
-	if (!(pt = drm_ioremap_nocache(offset, size, dev))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
-		spin_unlock(&drm_mem_lock);
-		return NULL;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
-	spin_unlock(&drm_mem_lock);
-	return pt;
-}
-EXPORT_SYMBOL(drm_ioremap_nocache);
-
-void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev)
-{
-	int alloc_count;
-	int free_count;
-
-	if (!pt)
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Attempt to free NULL pointer\n");
-	else
-		drm_ioremapfree(pt, size, dev);
-
-	spin_lock(&drm_mem_lock);
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size;
-	free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count;
-	alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	spin_unlock(&drm_mem_lock);
-	if (free_count > alloc_count) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Excess frees: %d frees, %d allocs\n",
-			      free_count, alloc_count);
-	}
-}
-EXPORT_SYMBOL(drm_ioremapfree);
-
 #if __OS_HAS_AGP
 
 DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type)
diff --git a/linux-core/drm_memory_debug.h b/linux-core/drm_memory_debug.h
index 1e0a63b7..9d0dedfb 100644
--- a/linux-core/drm_memory_debug.h
+++ b/linux-core/drm_memory_debug.h
@@ -275,74 +275,6 @@ void drm_free_pages (unsigned long address, int order, int area) {
 	}
 }
 
-void *drm_ioremap (unsigned long offset, unsigned long size,
-		    drm_device_t * dev) {
-	void *pt;
-
-	if (!size) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Mapping 0 bytes at 0x%08lx\n", offset);
-		return NULL;
-	}
-
-	if (!(pt = drm_ioremap(offset, size, dev))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
-		spin_unlock(&drm_mem_lock);
-		return NULL;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
-	spin_unlock(&drm_mem_lock);
-	return pt;
-}
-
-void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
-			    drm_device_t * dev) {
-	void *pt;
-
-	if (!size) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Mapping 0 bytes at 0x%08lx\n", offset);
-		return NULL;
-	}
-
-	if (!(pt = drm_ioremap_nocache(offset, size, dev))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count;
-		spin_unlock(&drm_mem_lock);
-		return NULL;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size;
-	spin_unlock(&drm_mem_lock);
-	return pt;
-}
-
-void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) {
-	int alloc_count;
-	int free_count;
-
-	if (!pt)
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Attempt to free NULL pointer\n");
-	else
-		drm_ioremapfree(pt, size, dev);
-
-	spin_lock(&drm_mem_lock);
-	drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size;
-	free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count;
-	alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count;
-	spin_unlock(&drm_mem_lock);
-	if (free_count > alloc_count) {
-		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
-			      "Excess frees: %d frees, %d allocs\n",
-			      free_count, alloc_count);
-	}
-}
-
 #if __OS_HAS_AGP
 
 DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) {
diff --git a/linux-core/drm_mm.c b/linux-core/drm_mm.c
index a5566b2f..5889ee4d 100644
--- a/linux-core/drm_mm.c
+++ b/linux-core/drm_mm.c
@@ -49,7 +49,7 @@ unsigned long drm_mm_tail_space(drm_mm_t *mm)
 	struct list_head *tail_node;
 	drm_mm_node_t *entry;
 
-	tail_node = mm->root_node.ml_entry.prev;
+	tail_node = mm->ml_entry.prev;
 	entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
 	if (!entry->free)
 		return 0;
@@ -62,7 +62,7 @@ int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size)
 	struct list_head *tail_node;
 	drm_mm_node_t *entry;
 
-	tail_node = mm->root_node.ml_entry.prev;
+	tail_node = mm->ml_entry.prev;
 	entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
 	if (!entry->free)
 		return -ENOMEM;
@@ -82,8 +82,7 @@ static int drm_mm_create_tail_node(drm_mm_t *mm,
 	drm_mm_node_t *child;
 	
 	child = (drm_mm_node_t *)
-		drm_ctl_cache_alloc(drm_cache.mm, sizeof(*child),
-				    GFP_KERNEL);
+		drm_ctl_alloc(sizeof(*child), DRM_MEM_MM);
 	if (!child)
 		return -ENOMEM;
 
@@ -92,8 +91,8 @@ static int drm_mm_create_tail_node(drm_mm_t *mm,
 	child->start = start;
 	child->mm = mm;
 
-	list_add_tail(&child->ml_entry, &mm->root_node.ml_entry);
-	list_add_tail(&child->fl_entry, &mm->root_node.fl_entry);
+	list_add_tail(&child->ml_entry, &mm->ml_entry);
+	list_add_tail(&child->fl_entry, &mm->fl_entry);
 
 	return 0;
 }
@@ -104,7 +103,7 @@ int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size)
 	struct list_head *tail_node;
 	drm_mm_node_t *entry;
 
-	tail_node = mm->root_node.ml_entry.prev;
+	tail_node = mm->ml_entry.prev;
 	entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
 	if (!entry->free) {
 		return drm_mm_create_tail_node(mm, entry->start + entry->size, size);
@@ -119,8 +118,7 @@ static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent,
 	drm_mm_node_t *child;
 	
 	child = (drm_mm_node_t *)
-		drm_ctl_cache_alloc(drm_cache.mm, sizeof(*child),
-				    GFP_KERNEL);
+		drm_ctl_alloc(sizeof(*child), DRM_MEM_MM);
 	if (!child)
 		return NULL;
 
@@ -150,7 +148,7 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
 	unsigned tmp = 0;
 
 	if (alignment)
-		tmp = size % alignment;
+		tmp = parent->start % alignment;
 	
 	if (tmp) {
 		align_splitoff = drm_mm_split_at_start(parent, alignment - tmp);
@@ -164,12 +162,8 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
 		return parent;
 	} else {
 		child = drm_mm_split_at_start(parent, size);
-		if (!child) {
-			if (align_splitoff) 
-				drm_mm_put_block(align_splitoff);
-			return NULL;
-		}
 	}
+
 	if (align_splitoff)
 		drm_mm_put_block(align_splitoff);
 
@@ -185,9 +179,8 @@ void drm_mm_put_block(drm_mm_node_t * cur)
 {
 
 	drm_mm_t *mm = cur->mm;
-	drm_mm_node_t *list_root = &mm->root_node;
 	struct list_head *cur_head = &cur->ml_entry;
-	struct list_head *root_head = &list_root->ml_entry;
+	struct list_head *root_head = &mm->ml_entry;
 	drm_mm_node_t *prev_node = NULL;
 	drm_mm_node_t *next_node;
 
@@ -207,9 +200,8 @@ void drm_mm_put_block(drm_mm_node_t * cur)
 				prev_node->size += next_node->size;
 				list_del(&next_node->ml_entry);
 				list_del(&next_node->fl_entry);
-				drm_ctl_cache_free(drm_cache.mm,
-						   sizeof(*next_node),
-						   next_node);
+				drm_ctl_free(next_node, sizeof(*next_node),
+					     DRM_MEM_MM);
 			} else {
 				next_node->size += cur->size;
 				next_node->start = cur->start;
@@ -219,10 +211,10 @@ void drm_mm_put_block(drm_mm_node_t * cur)
 	}
 	if (!merged) {
 		cur->free = 1;
-		list_add(&cur->fl_entry, &list_root->fl_entry);
+		list_add(&cur->fl_entry, &mm->fl_entry);
 	} else {
 		list_del(&cur->ml_entry);
-		drm_ctl_cache_free(drm_cache.mm, sizeof(*cur), cur);
+		drm_ctl_free(cur, sizeof(*cur), DRM_MEM_MM);
 	}
 }
 
@@ -231,7 +223,7 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
 				  unsigned alignment, int best_match)
 {
 	struct list_head *list;
-	const struct list_head *free_stack = &mm->root_node.fl_entry;
+	const struct list_head *free_stack = &mm->fl_entry;
 	drm_mm_node_t *entry;
 	drm_mm_node_t *best;
 	unsigned long best_size;
@@ -244,8 +236,11 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
 		entry = list_entry(list, drm_mm_node_t, fl_entry);
 		wasted = 0;
 
+		if (entry->size < size) 
+			continue;
+
 		if (alignment) {
-			register unsigned tmp = size % alignment;
+			register unsigned tmp = entry->start % alignment;
 			if (tmp) 
 				wasted += alignment - tmp;
 		}
@@ -266,15 +261,15 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
 
 int drm_mm_clean(drm_mm_t * mm)
 {
-	struct list_head *head = &mm->root_node.ml_entry;
+	struct list_head *head = &mm->ml_entry;
 
 	return (head->next->next == head);
 }
 
 int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size)
 {
-	INIT_LIST_HEAD(&mm->root_node.ml_entry);
-	INIT_LIST_HEAD(&mm->root_node.fl_entry);
+	INIT_LIST_HEAD(&mm->ml_entry);
+	INIT_LIST_HEAD(&mm->fl_entry);
 
 	return drm_mm_create_tail_node(mm, start, size);
 }
@@ -283,20 +278,20 @@ EXPORT_SYMBOL(drm_mm_init);
 
 void drm_mm_takedown(drm_mm_t * mm)
 {
-	struct list_head *bnode = mm->root_node.fl_entry.next;
+	struct list_head *bnode = mm->fl_entry.next;
 	drm_mm_node_t *entry;
 
 	entry = list_entry(bnode, drm_mm_node_t, fl_entry);
 
-	if (entry->ml_entry.next != &mm->root_node.ml_entry ||
-	    entry->fl_entry.next != &mm->root_node.fl_entry) {
+	if (entry->ml_entry.next != &mm->ml_entry ||
+	    entry->fl_entry.next != &mm->fl_entry) {
 		DRM_ERROR("Memory manager not clean. Delaying takedown\n");
 		return;
 	}
 
 	list_del(&entry->fl_entry);
 	list_del(&entry->ml_entry);
-	drm_ctl_cache_free(drm_cache.mm, sizeof(*entry), entry);
+	drm_ctl_free(entry, sizeof(*entry), DRM_MEM_MM);
 }
 
 EXPORT_SYMBOL(drm_mm_takedown);
diff --git a/linux-core/drm_os_linux.h b/linux-core/drm_os_linux.h
index 42700978..816959e8 100644
--- a/linux-core/drm_os_linux.h
+++ b/linux-core/drm_os_linux.h
@@ -56,7 +56,7 @@
 			drm_device_t	*dev	= priv->head->dev
 
 /** IRQ handler arguments and return type and values */
-#define DRM_IRQ_ARGS		int irq, void *arg, struct pt_regs *regs
+#define DRM_IRQ_ARGS		int irq, void *arg
 /** backwards compatibility with old irq return values */
 #ifndef IRQ_HANDLED
 typedef void irqreturn_t;
@@ -66,13 +66,8 @@ typedef void irqreturn_t;
 
 /** AGP types */
 #if __OS_HAS_AGP
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,70)
-#define DRM_AGP_MEM		agp_memory
-#define DRM_AGP_KERN		agp_kern_info
-#else
 #define DRM_AGP_MEM		struct agp_memory
 #define DRM_AGP_KERN		struct agp_kern_info
-#endif
 #else
 /* define some dummy types for non AGP supporting kernels */
 struct no_agp_kern {
@@ -98,9 +93,6 @@ static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
 #define MTRR_TYPE_WRCOMB     1
 #endif
 
-/** Task queue handler arguments */
-#define DRM_TASKQUEUE_ARGS	void *arg
-
 /** For data going into the kernel through the ioctl argument */
 #define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3)	\
 	if ( copy_from_user(&arg1, arg2, arg3) )	\
diff --git a/linux-core/drm_proc.c b/linux-core/drm_proc.c
index 863cacfc..1c2c17fe 100644
--- a/linux-core/drm_proc.c
+++ b/linux-core/drm_proc.c
@@ -452,19 +452,23 @@ static int drm__objects_info(char *buf, char **start, off_t offset, int request,
 	*start = &buf[offset];
 	*eof = 0;
 	
+	DRM_PROC_PRINT("Object accounting:\n\n");
 	if (fm->initialized) {
-		DRM_PROC_PRINT("Number of active fence objects: %d.\n\n", 
+		DRM_PROC_PRINT("Number of active fence objects: %d.\n", 
 			       atomic_read(&fm->count));
 	} else {
-		DRM_PROC_PRINT("Fence objects are not supported by this driver\n\n");
+		DRM_PROC_PRINT("Fence objects are not supported by this driver\n");
 	}
 
 	if (bm->initialized) {
 		DRM_PROC_PRINT("Number of active buffer objects: %d.\n\n", 
 			       atomic_read(&bm->count));
+	}
+	DRM_PROC_PRINT("Memory accounting:\n\n");
+	if (bm->initialized) {
 		DRM_PROC_PRINT("Number of locked GATT pages: %lu.\n", bm->cur_pages);
 	} else {
-		DRM_PROC_PRINT("Buffer objects are not supported by this driver.\n\n");
+		DRM_PROC_PRINT("Buffer objects are not supported by this driver.\n");
 	}
 
 	drm_query_memctl(&used_mem, &low_mem, &high_mem);
diff --git a/linux-core/drm_sarea.h b/linux-core/drm_sarea.h
new file mode 120000
index 00000000..fd428f42
--- /dev/null
+++ b/linux-core/drm_sarea.h
@@ -0,0 +1 @@
+../shared-core/drm_sarea.h
\ No newline at end of file
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index c03a56a1..60123cdc 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -47,18 +47,13 @@ MODULE_LICENSE("GPL and additional rights");
 MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards");
 MODULE_PARM_DESC(debug, "Enable debug output");
 
-module_param_named(cards_limit, drm_cards_limit, int, S_IRUGO);
-module_param_named(debug, drm_debug, int, S_IRUGO|S_IWUGO);
+module_param_named(cards_limit, drm_cards_limit, int, 0444);
+module_param_named(debug, drm_debug, int, 0600);
 
 drm_head_t **drm_heads;
 struct drm_sysfs_class *drm_class;
 struct proc_dir_entry *drm_proc_root;
 
-drm_cache_t drm_cache =
-{ .mm = NULL,
-  .fence_object = NULL
-};
-
 static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
 		       const struct pci_device_id *ent,
 		       struct drm_driver *driver)
@@ -249,9 +244,9 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
 	if ((ret = drm_get_head(dev, &dev->primary)))
 		goto err_g1;
 
-	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
+	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
 		 driver->name, driver->major, driver->minor, driver->patchlevel,
-		 driver->date, dev->primary.minor, pci_pretty_name(dev->pdev));
+		 driver->date, dev->primary.minor);
 
 	return 0;
 
diff --git a/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c
index e5dd0532..ace0778b 100644
--- a/linux-core/drm_sysfs.c
+++ b/linux-core/drm_sysfs.c
@@ -162,7 +162,7 @@ struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
 	memset(s_dev, 0x00, sizeof(*s_dev));
 
 	s_dev->dev = MKDEV(DRM_MAJOR, head->minor);
-	s_dev->class_dev.dev = DRM_PCI_DEV(head->dev->pdev);
+	s_dev->class_dev.dev = &head->dev->pdev->dev;
 	s_dev->class_dev.class = &cs->class;
 
 	snprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, "card%d", head->minor);
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c
index 931972af..1c9b1cf7 100644
--- a/linux-core/drm_ttm.c
+++ b/linux-core/drm_ttm.c
@@ -193,7 +193,7 @@ int drm_destroy_ttm(drm_ttm_t * ttm)
 				 * End debugging.
 				 */
 
-				drm_free_gatt_pages(*cur_page, 0);
+				__free_page(*cur_page);
 				drm_free_memctl(PAGE_SIZE);
 				--bm->cur_pages;
 			}
@@ -225,7 +225,7 @@ static int drm_ttm_populate(drm_ttm_t * ttm)
 			if (drm_alloc_memctl(PAGE_SIZE)) {
 				return -ENOMEM;
 			}
-			page = drm_alloc_gatt_pages(0);
+			page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
 			if (!page) {
 				drm_free_memctl(PAGE_SIZE);
 				return -ENOMEM;
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 6eb996ad..827a7bdb 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -159,9 +159,9 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
 }
 #endif				/* __OS_HAS_AGP */
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) || \
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) || \
      LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
 static
 #endif
 struct page *drm_vm_ttm_fault(struct vm_area_struct *vma, 
@@ -208,7 +208,8 @@ struct page *drm_vm_ttm_fault(struct vm_area_struct *vma,
 			data->type = VM_FAULT_OOM;
 			goto out;
 		}
-		page = ttm->pages[page_offset] = drm_alloc_gatt_pages(0);
+		page = ttm->pages[page_offset] = 
+			alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
 		if (!page) {
 			drm_free_memctl(PAGE_SIZE);
 			data->type = VM_FAULT_OOM;
@@ -269,13 +270,13 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
 	if (address > vma->vm_end)
 		return NOPAGE_SIGBUS;	/* Disallow mremap */
 	if (!map)
-		return NOPAGE_OOM;	/* Nothing allocated */
+		return NOPAGE_SIGBUS;	/* Nothing allocated */
 
 	offset = address - vma->vm_start;
 	i = (unsigned long)map->handle + offset;
 	page = vmalloc_to_page((void *)i);
 	if (!page)
-		return NOPAGE_OOM;
+		return NOPAGE_SIGBUS;
 	get_page(page);
 
 	DRM_DEBUG("shm_nopage 0x%lx\n", address);
@@ -348,7 +349,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
 							   map->size);
 					DRM_DEBUG("mtrr_del = %d\n", retcode);
 				}
-				drm_ioremapfree(map->handle, map->size, dev);
+				iounmap(map->handle);
 				break;
 			case _DRM_SHM:
 				vfree(map->handle);
@@ -396,7 +397,7 @@ static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma,
 	if (address > vma->vm_end)
 		return NOPAGE_SIGBUS;	/* Disallow mremap */
 	if (!dma->pagelist)
-		return NOPAGE_OOM;	/* Nothing allocated */
+		return NOPAGE_SIGBUS;	/* Nothing allocated */
 
 	offset = address - vma->vm_start;	/* vm_[pg]off[set] should be 0 */
 	page_nr = offset >> PAGE_SHIFT;
@@ -435,7 +436,7 @@ static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma,
 	if (address > vma->vm_end)
 		return NOPAGE_SIGBUS;	/* Disallow mremap */
 	if (!entry->pagelist)
-		return NOPAGE_OOM;	/* Nothing allocated */
+		return NOPAGE_SIGBUS;	/* Nothing allocated */
 
 	offset = address - vma->vm_start;
 	map_offset = map->offset - (unsigned long)dev->sg->virtual;
@@ -446,8 +447,6 @@ static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma,
 	return page;
 }
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
-
 static struct page *drm_vm_nopage(struct vm_area_struct *vma,
 				  unsigned long address, int *type)
 {
@@ -481,34 +480,6 @@ static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
 }
 
 
-#else				/* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */
-
-static struct page *drm_vm_nopage(struct vm_area_struct *vma,
-				  unsigned long address, int unused)
-{
-	return drm_do_vm_nopage(vma, address);
-}
-
-static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma,
-				      unsigned long address, int unused)
-{
-	return drm_do_vm_shm_nopage(vma, address);
-}
-
-static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma,
-				      unsigned long address, int unused)
-{
-	return drm_do_vm_dma_nopage(vma, address);
-}
-
-static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
-				     unsigned long address, int unused)
-{
-	return drm_do_vm_sg_nopage(vma, address);
-}
-
-#endif
-
 /** AGP virtual memory operations */
 static struct vm_operations_struct drm_vm_ops = {
 	.nopage = drm_vm_nopage,
@@ -537,7 +508,7 @@ static struct vm_operations_struct drm_vm_sg_ops = {
 	.close = drm_vm_close,
 };
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
 static struct vm_operations_struct drm_vm_ttm_ops = {
 	.nopage = drm_vm_ttm_nopage,
 	.open = drm_vm_ttm_open_wrapper,
@@ -712,12 +683,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 	}
 
 	vma->vm_ops = &drm_vm_dma_ops;
-
-#if LINUX_VERSION_CODE <= 0x02040e	/* KERNEL_VERSION(2,4,14) */
-	vma->vm_flags |= VM_LOCKED | VM_SHM;	/* Don't swap */
-#else
 	vma->vm_flags |= VM_RESERVED;	/* Don't swap */
-#endif
 
 	vma->vm_file = filp;	/* Needed for drm_vm_open() */
 	drm_vm_open(vma);
@@ -829,6 +795,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 		vma->vm_flags |= VM_IO;	/* not in core dump */
 		vma->vm_page_prot = drm_io_prot(map->type, vma);
 #ifdef __sparc__
+		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 		if (io_remap_pfn_range(vma, vma->vm_start,
 					(map->offset + offset) >>PAGE_SHIFT,
 					vma->vm_end - vma->vm_start,
@@ -859,20 +826,12 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 		vma->vm_private_data = (void *)map;
 		/* Don't let this area swap.  Change when
 		   DRM_KERNEL advisory is supported. */
-#if LINUX_VERSION_CODE <= 0x02040e	/* KERNEL_VERSION(2,4,14) */
-		vma->vm_flags |= VM_LOCKED;
-#else
 		vma->vm_flags |= VM_RESERVED;
-#endif
 		break;
 	case _DRM_SCATTER_GATHER:
 		vma->vm_ops = &drm_vm_sg_ops;
 		vma->vm_private_data = (void *)map;
-#if LINUX_VERSION_CODE <= 0x02040e	/* KERNEL_VERSION(2,4,14) */
-		vma->vm_flags |= VM_LOCKED;
-#else
 		vma->vm_flags |= VM_RESERVED;
-#endif
 		break;
 	case _DRM_TTM: {
 		vma->vm_ops = &drm_vm_ttm_ops;
@@ -891,11 +850,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 	default:
 		return -EINVAL;	/* This should never happen. */
 	}
-#if LINUX_VERSION_CODE <= 0x02040e	/* KERNEL_VERSION(2,4,14) */
-	vma->vm_flags |= VM_LOCKED | VM_SHM;	/* Don't swap */
-#else
 	vma->vm_flags |= VM_RESERVED;	/* Don't swap */
-#endif
 
 	vma->vm_file = filp;	/* Needed for drm_vm_open() */
 	drm_vm_open(vma);
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index bdbb31fa..ad4d2fce 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -39,12 +39,6 @@
 #include "i810_drm.h"
 #include "i810_drv.h"
 
-#ifdef DO_MUNMAP_4_ARGS
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l, 1)
-#else
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l)
-#endif
-
 #define I810_BUF_FREE		2
 #define I810_BUF_CLIENT		1
 #define I810_BUF_HARDWARE      	0
@@ -186,7 +180,7 @@ static int i810_unmap_buffer(drm_buf_t * buf)
 		return -EINVAL;
 
 	down_write(&current->mm->mmap_sem);
-	retcode = DO_MUNMAP(current->mm,
+	retcode = do_munmap(current->mm,
 			    (unsigned long)buf_priv->virtual,
 			    (size_t) buf->total);
 	up_write(&current->mm->mmap_sem);
@@ -244,8 +238,7 @@ static int i810_dma_cleanup(drm_device_t * dev)
 		    (drm_i810_private_t *) dev->dev_private;
 
 		if (dev_priv->ring.virtual_start) {
-			drm_ioremapfree((void *)dev_priv->ring.virtual_start,
-					dev_priv->ring.Size, dev);
+			drm_core_ioremapfree(&dev_priv->ring.map, dev);
 		}
 		if (dev_priv->hw_status_page) {
 			pci_free_consistent(dev->pdev, PAGE_SIZE,
@@ -261,9 +254,9 @@ static int i810_dma_cleanup(drm_device_t * dev)
 		for (i = 0; i < dma->buf_count; i++) {
 			drm_buf_t *buf = dma->buflist[i];
 			drm_i810_buf_priv_t *buf_priv = buf->dev_private;
+
 			if (buf_priv->kernel_virtual && buf->total)
-				drm_ioremapfree(buf_priv->kernel_virtual,
-						buf->total, dev);
+				drm_core_ioremapfree(&buf_priv->map, dev);
 		}
 	}
 	return 0;
@@ -336,8 +329,15 @@ static int i810_freelist_init(drm_device_t * dev, drm_i810_private_t * dev_priv)
 
 		*buf_priv->in_use = I810_BUF_FREE;
 
-		buf_priv->kernel_virtual = drm_ioremap(buf->bus_address,
-						       buf->total, dev);
+		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;
 }
@@ -388,18 +388,24 @@ static int i810_dma_initialize(drm_device_t * dev,
 	dev_priv->ring.End = init->ring_end;
 	dev_priv->ring.Size = init->ring_size;
 
-	dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base +
-						   init->ring_start,
-						   init->ring_size, dev);
+	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;
 
-	if (dev_priv->ring.virtual_start == NULL) {
+	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;
+		return DRM_ERR(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;
diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h
index bb7358d2..69d79499 100644
--- a/linux-core/i810_drv.h
+++ b/linux-core/i810_drv.h
@@ -61,6 +61,7 @@ typedef struct drm_i810_buf_priv {
 	int currently_mapped;
 	void *virtual;
 	void *kernel_virtual;
+	drm_local_map_t map;
 } drm_i810_buf_priv_t;
 
 typedef struct _drm_i810_ring_buffer {
@@ -72,6 +73,7 @@ typedef struct _drm_i810_ring_buffer {
 	int head;
 	int tail;
 	int space;
+	drm_local_map_t map;
 } drm_i810_ring_buffer_t;
 
 typedef struct drm_i810_private {
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
index 4526ccf1..e93307fb 100644
--- a/linux-core/i830_dma.c
+++ b/linux-core/i830_dma.c
@@ -41,12 +41,6 @@
 #include "i830_drm.h"
 #include "i830_drv.h"
 
-#ifdef DO_MUNMAP_4_ARGS
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l, 1)
-#else
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l)
-#endif
-
 #define I830_BUF_FREE		2
 #define I830_BUF_CLIENT		1
 #define I830_BUF_HARDWARE      	0
@@ -174,7 +168,7 @@ static int i830_unmap_buffer(drm_buf_t * buf)
 		return -EINVAL;
 
 	down_write(&current->mm->mmap_sem);
-	retcode = DO_MUNMAP(current->mm,
+	retcode = do_munmap(current->mm,
 			    (unsigned long)buf_priv->virtual,
 			    (size_t) buf->total);
 	up_write(&current->mm->mmap_sem);
@@ -232,8 +226,7 @@ static int i830_dma_cleanup(drm_device_t * dev)
 		    (drm_i830_private_t *) dev->dev_private;
 
 		if (dev_priv->ring.virtual_start) {
-			drm_ioremapfree((void *)dev_priv->ring.virtual_start,
-					dev_priv->ring.Size, dev);
+			drm_core_ioremapfree(&dev_priv->ring.map, dev);
 		}
 		if (dev_priv->hw_status_page) {
 			pci_free_consistent(dev->pdev, PAGE_SIZE,
@@ -251,8 +244,7 @@ static int i830_dma_cleanup(drm_device_t * dev)
 			drm_buf_t *buf = dma->buflist[i];
 			drm_i830_buf_priv_t *buf_priv = buf->dev_private;
 			if (buf_priv->kernel_virtual && buf->total)
-				drm_ioremapfree(buf_priv->kernel_virtual,
-						buf->total, dev);
+				drm_core_ioremapfree(&buf_priv->map, dev);
 		}
 	}
 	return 0;
@@ -329,8 +321,14 @@ static int i830_freelist_init(drm_device_t * dev, drm_i830_private_t * dev_priv)
 
 		*buf_priv->in_use = I830_BUF_FREE;
 
-		buf_priv->kernel_virtual = drm_ioremap(buf->bus_address,
-						       buf->total, dev);
+		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;
 }
@@ -382,18 +380,24 @@ static int i830_dma_initialize(drm_device_t * dev,
 	dev_priv->ring.End = init->ring_end;
 	dev_priv->ring.Size = init->ring_size;
 
-	dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base +
-						   init->ring_start,
-						   init->ring_size, dev);
+	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;
 
-	if (dev_priv->ring.virtual_start == NULL) {
+	drm_core_ioremap(&dev_priv->ring.map, dev);
+
+	if (dev_priv->ring.map.handle == NULL) {
 		dev->dev_private = (void *)dev_priv;
 		i830_dma_cleanup(dev);
 		DRM_ERROR("can not ioremap virtual address for"
 			  " ring buffer\n");
-		return -ENOMEM;
+		return DRM_ERR(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;
diff --git a/linux-core/i830_drv.h b/linux-core/i830_drv.h
index 85bc5be6..e91f94af 100644
--- a/linux-core/i830_drv.h
+++ b/linux-core/i830_drv.h
@@ -68,6 +68,7 @@ typedef struct drm_i830_buf_priv {
 	int currently_mapped;
 	void __user *virtual;
 	void *kernel_virtual;
+	drm_local_map_t map;
 } drm_i830_buf_priv_t;
 
 typedef struct _drm_i830_ring_buffer {
@@ -79,6 +80,7 @@ typedef struct _drm_i830_ring_buffer {
 	int head;
 	int tail;
 	int space;
+	drm_local_map_t map;
 } drm_i830_ring_buffer_t;
 
 typedef struct drm_i830_private {
diff --git a/linux-core/i915_dma.c b/linux-core/i915_dma.c
new file mode 120000
index 00000000..c61d967e
--- /dev/null
+++ b/linux-core/i915_dma.c
@@ -0,0 +1 @@
+../shared-core/i915_dma.c
\ No newline at end of file
diff --git a/linux-core/i915_drm.h b/linux-core/i915_drm.h
new file mode 120000
index 00000000..ed53f01d
--- /dev/null
+++ b/linux-core/i915_drm.h
@@ -0,0 +1 @@
+../shared-core/i915_drm.h
\ No newline at end of file
diff --git a/linux-core/i915_drv.h b/linux-core/i915_drv.h
new file mode 120000
index 00000000..085558ca
--- /dev/null
+++ b/linux-core/i915_drv.h
@@ -0,0 +1 @@
+../shared-core/i915_drv.h
\ No newline at end of file
diff --git a/linux-core/i915_irq.c b/linux-core/i915_irq.c
new file mode 120000
index 00000000..2058a2e4
--- /dev/null
+++ b/linux-core/i915_irq.c
@@ -0,0 +1 @@
+../shared-core/i915_irq.c
\ No newline at end of file
diff --git a/linux-core/i915_mem.c b/linux-core/i915_mem.c
new file mode 120000
index 00000000..e8e56553
--- /dev/null
+++ b/linux-core/i915_mem.c
@@ -0,0 +1 @@
+../shared-core/i915_mem.c
\ No newline at end of file
diff --git a/linux-core/linux b/linux-core/linux
new file mode 120000
index 00000000..945c9b46
--- /dev/null
+++ b/linux-core/linux
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/linux-core/mach64_dma.c b/linux-core/mach64_dma.c
new file mode 120000
index 00000000..e5c28975
--- /dev/null
+++ b/linux-core/mach64_dma.c
@@ -0,0 +1 @@
+../shared-core/mach64_dma.c
\ No newline at end of file
diff --git a/linux-core/mach64_drm.h b/linux-core/mach64_drm.h
new file mode 120000
index 00000000..136ea936
--- /dev/null
+++ b/linux-core/mach64_drm.h
@@ -0,0 +1 @@
+../shared-core/mach64_drm.h
\ No newline at end of file
diff --git a/linux-core/mach64_drv.h b/linux-core/mach64_drv.h
new file mode 120000
index 00000000..85222cc2
--- /dev/null
+++ b/linux-core/mach64_drv.h
@@ -0,0 +1 @@
+../shared-core/mach64_drv.h
\ No newline at end of file
diff --git a/linux-core/mach64_irq.c b/linux-core/mach64_irq.c
new file mode 120000
index 00000000..a1235d58
--- /dev/null
+++ b/linux-core/mach64_irq.c
@@ -0,0 +1 @@
+../shared-core/mach64_irq.c
\ No newline at end of file
diff --git a/linux-core/mach64_state.c b/linux-core/mach64_state.c
new file mode 120000
index 00000000..b11f202c
--- /dev/null
+++ b/linux-core/mach64_state.c
@@ -0,0 +1 @@
+../shared-core/mach64_state.c
\ No newline at end of file
diff --git a/linux-core/mga_dma.c b/linux-core/mga_dma.c
new file mode 120000
index 00000000..f290be9b
--- /dev/null
+++ b/linux-core/mga_dma.c
@@ -0,0 +1 @@
+../shared-core/mga_dma.c
\ No newline at end of file
diff --git a/linux-core/mga_drm.h b/linux-core/mga_drm.h
new file mode 120000
index 00000000..1c87036f
--- /dev/null
+++ b/linux-core/mga_drm.h
@@ -0,0 +1 @@
+../shared-core/mga_drm.h
\ No newline at end of file
diff --git a/linux-core/mga_drv.h b/linux-core/mga_drv.h
new file mode 120000
index 00000000..cb0c9e1d
--- /dev/null
+++ b/linux-core/mga_drv.h
@@ -0,0 +1 @@
+../shared-core/mga_drv.h
\ No newline at end of file
diff --git a/linux-core/mga_irq.c b/linux-core/mga_irq.c
new file mode 120000
index 00000000..cf521d29
--- /dev/null
+++ b/linux-core/mga_irq.c
@@ -0,0 +1 @@
+../shared-core/mga_irq.c
\ No newline at end of file
diff --git a/linux-core/mga_state.c b/linux-core/mga_state.c
new file mode 120000
index 00000000..8bda8ba9
--- /dev/null
+++ b/linux-core/mga_state.c
@@ -0,0 +1 @@
+../shared-core/mga_state.c
\ No newline at end of file
diff --git a/linux-core/mga_ucode.h b/linux-core/mga_ucode.h
new file mode 120000
index 00000000..728b9aca
--- /dev/null
+++ b/linux-core/mga_ucode.h
@@ -0,0 +1 @@
+../shared-core/mga_ucode.h
\ No newline at end of file
diff --git a/linux-core/mga_warp.c b/linux-core/mga_warp.c
new file mode 120000
index 00000000..d35b3255
--- /dev/null
+++ b/linux-core/mga_warp.c
@@ -0,0 +1 @@
+../shared-core/mga_warp.c
\ No newline at end of file
diff --git a/linux-core/nouveau_drm.h b/linux-core/nouveau_drm.h
new file mode 120000
index 00000000..d300ae06
--- /dev/null
+++ b/linux-core/nouveau_drm.h
@@ -0,0 +1 @@
+../shared-core/nouveau_drm.h
\ No newline at end of file
diff --git a/linux-core/nouveau_drv.c b/linux-core/nouveau_drv.c
new file mode 100644
index 00000000..91de2b31
--- /dev/null
+++ b/linux-core/nouveau_drv.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2005 Stephane Marchesin.
+ * 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
+ * VA LINUX SYSTEMS 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.
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+
+#include "drm_pciids.h"
+
+static struct pci_device_id pciidlist[] = {
+	nouveau_PCI_IDS
+};
+
+extern drm_ioctl_desc_t nouveau_ioctls[];
+extern int nouveau_max_ioctl;
+
+static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static struct drm_driver driver = {
+	.driver_features =
+		DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
+		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+	.load = nouveau_load,
+	.firstopen = nouveau_firstopen,
+	.lastclose = nouveau_lastclose,
+	.unload = nouveau_unload,
+	.preclose = nouveau_preclose,
+	.irq_preinstall = nouveau_irq_preinstall,
+	.irq_postinstall = nouveau_irq_postinstall,
+	.irq_uninstall = nouveau_irq_uninstall,
+	.irq_handler = nouveau_irq_handler,
+	.reclaim_buffers = drm_core_reclaim_buffers,
+	.get_map_ofs = drm_core_get_map_ofs,
+	.get_reg_ofs = drm_core_get_reg_ofs,
+	.ioctls = nouveau_ioctls,
+	.fops = {
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+		.compat_ioctl = nouveau_compat_ioctl,
+#endif
+	},
+	.pci_driver = {
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
+		.probe = probe,
+		.remove = __devexit_p(drm_cleanup_pci),
+	},
+
+	.name = DRIVER_NAME,
+	.desc = DRIVER_DESC,
+	.date = DRIVER_DATE,
+	.major = DRIVER_MAJOR,
+	.minor = DRIVER_MINOR,
+	.patchlevel = DRIVER_PATCHLEVEL,
+};
+
+static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	return drm_get_dev(pdev, ent, &driver);
+}
+
+static int __init nouveau_init(void)
+{
+	driver.num_ioctls = nouveau_max_ioctl;
+	return drm_init(&driver, pciidlist);
+}
+
+static void __exit nouveau_exit(void)
+{
+	drm_exit(&driver);
+}
+
+module_init(nouveau_init);
+module_exit(nouveau_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");
diff --git a/linux-core/nouveau_drv.h b/linux-core/nouveau_drv.h
new file mode 120000
index 00000000..8852e264
--- /dev/null
+++ b/linux-core/nouveau_drv.h
@@ -0,0 +1 @@
+../shared-core/nouveau_drv.h
\ No newline at end of file
diff --git a/linux-core/nouveau_fifo.c b/linux-core/nouveau_fifo.c
new file mode 120000
index 00000000..60759a57
--- /dev/null
+++ b/linux-core/nouveau_fifo.c
@@ -0,0 +1 @@
+../shared-core/nouveau_fifo.c
\ No newline at end of file
diff --git a/linux-core/nouveau_ioc32.c b/linux-core/nouveau_ioc32.c
new file mode 100644
index 00000000..a752a581
--- /dev/null
+++ b/linux-core/nouveau_ioc32.c
@@ -0,0 +1,73 @@
+/**
+ * \file mga_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the MGA DRM.
+ *
+ * \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich
+ *
+ *
+ * Copyright (C) Paul Mackerras 2005
+ * Copyright (C) Egbert Eich 2003,2004
+ * Copyright (C) Dave Airlie 2005
+ * 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
+ * THE AUTHOR 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.
+ */
+
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm.h"
+
+#include "nouveau_drm.h"
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/dri/card<n>.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn = NULL;
+	int ret;
+
+	if (nr < DRM_COMMAND_BASE)
+		return drm_compat_ioctl(filp, cmd, arg);
+
+#if 0
+	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls))
+		fn = nouveau_compat_ioctls[nr - DRM_COMMAND_BASE];
+#endif
+	lock_kernel();	  /* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
diff --git a/linux-core/nouveau_irq.c b/linux-core/nouveau_irq.c
new file mode 120000
index 00000000..3137b813
--- /dev/null
+++ b/linux-core/nouveau_irq.c
@@ -0,0 +1 @@
+../shared-core/nouveau_irq.c
\ No newline at end of file
diff --git a/linux-core/nouveau_mem.c b/linux-core/nouveau_mem.c
new file mode 120000
index 00000000..a0085200
--- /dev/null
+++ b/linux-core/nouveau_mem.c
@@ -0,0 +1 @@
+../shared-core/nouveau_mem.c
\ No newline at end of file
diff --git a/linux-core/nouveau_object.c b/linux-core/nouveau_object.c
new file mode 120000
index 00000000..1c1426e3
--- /dev/null
+++ b/linux-core/nouveau_object.c
@@ -0,0 +1 @@
+../shared-core/nouveau_object.c
\ No newline at end of file
diff --git a/linux-core/nouveau_reg.h b/linux-core/nouveau_reg.h
new file mode 120000
index 00000000..2ad07397
--- /dev/null
+++ b/linux-core/nouveau_reg.h
@@ -0,0 +1 @@
+../shared-core/nouveau_reg.h
\ No newline at end of file
diff --git a/linux-core/nouveau_state.c b/linux-core/nouveau_state.c
new file mode 120000
index 00000000..b304f6bb
--- /dev/null
+++ b/linux-core/nouveau_state.c
@@ -0,0 +1 @@
+../shared-core/nouveau_state.c
\ No newline at end of file
diff --git a/linux-core/nv40_graph.c b/linux-core/nv40_graph.c
new file mode 120000
index 00000000..2fe59919
--- /dev/null
+++ b/linux-core/nv40_graph.c
@@ -0,0 +1 @@
+../shared-core/nv40_graph.c
\ No newline at end of file
diff --git a/linux-core/nv_drv.h b/linux-core/nv_drv.h
new file mode 120000
index 00000000..c9617800
--- /dev/null
+++ b/linux-core/nv_drv.h
@@ -0,0 +1 @@
+../shared-core/nv_drv.h
\ No newline at end of file
diff --git a/linux-core/r128_cce.c b/linux-core/r128_cce.c
new file mode 120000
index 00000000..0c1d659e
--- /dev/null
+++ b/linux-core/r128_cce.c
@@ -0,0 +1 @@
+../shared-core/r128_cce.c
\ No newline at end of file
diff --git a/linux-core/r128_drm.h b/linux-core/r128_drm.h
new file mode 120000
index 00000000..363852cb
--- /dev/null
+++ b/linux-core/r128_drm.h
@@ -0,0 +1 @@
+../shared-core/r128_drm.h
\ No newline at end of file
diff --git a/linux-core/r128_drv.h b/linux-core/r128_drv.h
new file mode 120000
index 00000000..4f7e822d
--- /dev/null
+++ b/linux-core/r128_drv.h
@@ -0,0 +1 @@
+../shared-core/r128_drv.h
\ No newline at end of file
diff --git a/linux-core/r128_irq.c b/linux-core/r128_irq.c
new file mode 120000
index 00000000..66d28b05
--- /dev/null
+++ b/linux-core/r128_irq.c
@@ -0,0 +1 @@
+../shared-core/r128_irq.c
\ No newline at end of file
diff --git a/linux-core/r128_state.c b/linux-core/r128_state.c
new file mode 120000
index 00000000..e83d84b5
--- /dev/null
+++ b/linux-core/r128_state.c
@@ -0,0 +1 @@
+../shared-core/r128_state.c
\ No newline at end of file
diff --git a/linux-core/r300_cmdbuf.c b/linux-core/r300_cmdbuf.c
new file mode 120000
index 00000000..6674d056
--- /dev/null
+++ b/linux-core/r300_cmdbuf.c
@@ -0,0 +1 @@
+../shared-core/r300_cmdbuf.c
\ No newline at end of file
diff --git a/linux-core/r300_reg.h b/linux-core/r300_reg.h
new file mode 120000
index 00000000..ef54eba2
--- /dev/null
+++ b/linux-core/r300_reg.h
@@ -0,0 +1 @@
+../shared-core/r300_reg.h
\ No newline at end of file
diff --git a/linux-core/radeon_cp.c b/linux-core/radeon_cp.c
new file mode 120000
index 00000000..ee860943
--- /dev/null
+++ b/linux-core/radeon_cp.c
@@ -0,0 +1 @@
+../shared-core/radeon_cp.c
\ No newline at end of file
diff --git a/linux-core/radeon_drm.h b/linux-core/radeon_drm.h
new file mode 120000
index 00000000..54f595a3
--- /dev/null
+++ b/linux-core/radeon_drm.h
@@ -0,0 +1 @@
+../shared-core/radeon_drm.h
\ No newline at end of file
diff --git a/linux-core/radeon_drv.h b/linux-core/radeon_drv.h
new file mode 120000
index 00000000..5b415ea8
--- /dev/null
+++ b/linux-core/radeon_drv.h
@@ -0,0 +1 @@
+../shared-core/radeon_drv.h
\ No newline at end of file
diff --git a/linux-core/radeon_irq.c b/linux-core/radeon_irq.c
new file mode 120000
index 00000000..2f394a5e
--- /dev/null
+++ b/linux-core/radeon_irq.c
@@ -0,0 +1 @@
+../shared-core/radeon_irq.c
\ No newline at end of file
diff --git a/linux-core/radeon_mem.c b/linux-core/radeon_mem.c
new file mode 120000
index 00000000..8cc27989
--- /dev/null
+++ b/linux-core/radeon_mem.c
@@ -0,0 +1 @@
+../shared-core/radeon_mem.c
\ No newline at end of file
diff --git a/linux-core/radeon_state.c b/linux-core/radeon_state.c
new file mode 120000
index 00000000..ccee8761
--- /dev/null
+++ b/linux-core/radeon_state.c
@@ -0,0 +1 @@
+../shared-core/radeon_state.c
\ No newline at end of file
diff --git a/linux-core/savage_bci.c b/linux-core/savage_bci.c
new file mode 120000
index 00000000..b8436713
--- /dev/null
+++ b/linux-core/savage_bci.c
@@ -0,0 +1 @@
+../shared-core/savage_bci.c
\ No newline at end of file
diff --git a/linux-core/savage_drm.h b/linux-core/savage_drm.h
new file mode 120000
index 00000000..0dab2e3b
--- /dev/null
+++ b/linux-core/savage_drm.h
@@ -0,0 +1 @@
+../shared-core/savage_drm.h
\ No newline at end of file
diff --git a/linux-core/savage_drv.h b/linux-core/savage_drv.h
new file mode 120000
index 00000000..8397009c
--- /dev/null
+++ b/linux-core/savage_drv.h
@@ -0,0 +1 @@
+../shared-core/savage_drv.h
\ No newline at end of file
diff --git a/linux-core/savage_state.c b/linux-core/savage_state.c
new file mode 120000
index 00000000..e55dc5d4
--- /dev/null
+++ b/linux-core/savage_state.c
@@ -0,0 +1 @@
+../shared-core/savage_state.c
\ No newline at end of file
diff --git a/linux-core/sis_drm.h b/linux-core/sis_drm.h
new file mode 120000
index 00000000..36c77aac
--- /dev/null
+++ b/linux-core/sis_drm.h
@@ -0,0 +1 @@
+../shared-core/sis_drm.h
\ No newline at end of file
diff --git a/linux-core/sis_drv.h b/linux-core/sis_drv.h
new file mode 120000
index 00000000..3fddfdae
--- /dev/null
+++ b/linux-core/sis_drv.h
@@ -0,0 +1 @@
+../shared-core/sis_drv.h
\ No newline at end of file
diff --git a/linux-core/sis_mm.c b/linux-core/sis_mm.c
index eca535fb..5efbada4 100644
--- a/linux-core/sis_mm.c
+++ b/linux-core/sis_mm.c
@@ -36,11 +36,7 @@
 #include "sis_drv.h"
 
 #if defined(__linux__)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 #include <video/sisfb.h>
-#else
-#include <linux/sisfb.h>
-#endif
 #endif
 
 #define VIDEO_TYPE 0
diff --git a/linux-core/tdfx_drv.h b/linux-core/tdfx_drv.h
new file mode 120000
index 00000000..8df70329
--- /dev/null
+++ b/linux-core/tdfx_drv.h
@@ -0,0 +1 @@
+../shared-core/tdfx_drv.h
\ No newline at end of file
diff --git a/linux-core/via_3d_reg.h b/linux-core/via_3d_reg.h
new file mode 120000
index 00000000..90d238ec
--- /dev/null
+++ b/linux-core/via_3d_reg.h
@@ -0,0 +1 @@
+../shared-core/via_3d_reg.h
\ No newline at end of file
diff --git a/linux-core/via_dma.c b/linux-core/via_dma.c
new file mode 120000
index 00000000..1f4d920f
--- /dev/null
+++ b/linux-core/via_dma.c
@@ -0,0 +1 @@
+../shared-core/via_dma.c
\ No newline at end of file
diff --git a/linux-core/via_dmablit.c b/linux-core/via_dmablit.c
index fdc2bd67..2f508374 100644
--- a/linux-core/via_dmablit.c
+++ b/linux-core/via_dmablit.c
@@ -217,7 +217,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine)
 	VIA_WRITE(VIA_PCI_DMA_MR0  + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE);
 	VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0);
 	VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start);
+	DRM_WRITEMEMORYBARRIER();
 	VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS);
+	VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
 }
 
 /*
@@ -496,10 +498,18 @@ via_dmablit_timer(unsigned long data)
 
 
 static void 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 via_dmablit_workqueue(void *data)
+#else
+via_dmablit_workqueue(struct work_struct *work)
+#endif
 {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 	drm_via_blitq_t *blitq = (drm_via_blitq_t *) data;
-	drm_device_t *dev = blitq->dev;
+#else
+	drm_via_blitq_t *blitq = container_of(work, drm_via_blitq_t, wq);
+#endif
+        drm_device_t *dev = blitq->dev;
 	unsigned long irqsave;
 	drm_via_sg_info_t *cur_sg;
 	int cur_released;
@@ -562,12 +572,16 @@ via_init_dmablit(drm_device_t *dev)
 		blitq->num_outstanding = 0;
 		blitq->is_active = 0;
 		blitq->aborting = 0;
-		blitq->blit_lock = SPIN_LOCK_UNLOCKED;
+		spin_lock_init(&blitq->blit_lock);
 		for (j=0; j<VIA_NUM_BLIT_SLOTS; ++j) {
 			DRM_INIT_WAITQUEUE(blitq->blit_queue + j);
 		}
 		DRM_INIT_WAITQUEUE(&blitq->busy_queue);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
 		INIT_WORK(&blitq->wq, via_dmablit_workqueue, blitq);
+#else
+		INIT_WORK(&blitq->wq, via_dmablit_workqueue);
+#endif
 		init_timer(&blitq->poll_timer);
 		blitq->poll_timer.function = &via_dmablit_timer;
 		blitq->poll_timer.data = (unsigned long) blitq;
diff --git a/linux-core/via_drm.h b/linux-core/via_drm.h
new file mode 120000
index 00000000..7cd175d3
--- /dev/null
+++ b/linux-core/via_drm.h
@@ -0,0 +1 @@
+../shared-core/via_drm.h
\ No newline at end of file
diff --git a/linux-core/via_drv.c b/linux-core/via_drv.c
new file mode 120000
index 00000000..b6ff160e
--- /dev/null
+++ b/linux-core/via_drv.c
@@ -0,0 +1 @@
+../shared-core/via_drv.c
\ No newline at end of file
diff --git a/linux-core/via_drv.h b/linux-core/via_drv.h
new file mode 120000
index 00000000..8954fe88
--- /dev/null
+++ b/linux-core/via_drv.h
@@ -0,0 +1 @@
+../shared-core/via_drv.h
\ No newline at end of file
diff --git a/linux-core/via_irq.c b/linux-core/via_irq.c
new file mode 120000
index 00000000..f615af87
--- /dev/null
+++ b/linux-core/via_irq.c
@@ -0,0 +1 @@
+../shared-core/via_irq.c
\ No newline at end of file
diff --git a/linux-core/via_map.c b/linux-core/via_map.c
new file mode 120000
index 00000000..b5056634
--- /dev/null
+++ b/linux-core/via_map.c
@@ -0,0 +1 @@
+../shared-core/via_map.c
\ No newline at end of file
diff --git a/linux-core/via_verifier.c b/linux-core/via_verifier.c
new file mode 120000
index 00000000..00b411bd
--- /dev/null
+++ b/linux-core/via_verifier.c
@@ -0,0 +1 @@
+../shared-core/via_verifier.c
\ No newline at end of file
diff --git a/linux-core/via_verifier.h b/linux-core/via_verifier.h
new file mode 120000
index 00000000..62d3e287
--- /dev/null
+++ b/linux-core/via_verifier.h
@@ -0,0 +1 @@
+../shared-core/via_verifier.h
\ No newline at end of file
diff --git a/linux-core/via_video.c b/linux-core/via_video.c
new file mode 120000
index 00000000..a6d27947
--- /dev/null
+++ b/linux-core/via_video.c
@@ -0,0 +1 @@
+../shared-core/via_video.c
\ No newline at end of file