Merge branch 'master' into modesetting-gem

Conflicts:

	libdrm/Makefile.am
	libdrm/xf86drm.h
	shared-core/i915_dma.c
	shared-core/i915_irq.c

16 files changed, 196 insertions, 622 deletions

diff --git a/libdrm/Makefile.am b/libdrm/Makefile.am
index 624f6ffb..c6d66732 100644
--- a/libdrm/Makefile.am
+++ b/libdrm/Makefile.am
@@ -26,10 +26,10 @@ libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined
 
 AM_CFLAGS = -I$(top_srcdir)/shared-core
 libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c \
-	xf86drmMode.c dri_bufmgr.c
+	xf86drmMode.c dri_bufmgr.c libdrm_lists.h
 libdrm_la_LIBADD = intel/libdrm_intel.la
 
 libdrmincludedir = ${includedir}
-libdrminclude_HEADERS = xf86drm.h xf86mm.h xf86drmMode.h dri_bufmgr.h
+libdrminclude_HEADERS = xf86drm.h xf86drmMode.h dri_bufmgr.h
 
 EXTRA_DIST = ChangeLog TODO
diff --git a/libdrm/dri_bufmgr.c b/libdrm/dri_bufmgr.c
index 7657df61..a6eda3bd 100644
--- a/libdrm/dri_bufmgr.c
+++ b/libdrm/dri_bufmgr.c
@@ -135,7 +135,7 @@ dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug)
 }
 
 int
-dri_bufmgr_check_aperture_space(dri_bo *bo)
+dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count)
 {
-    return bo->bufmgr->check_aperture_space(bo);
+	return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
 }
diff --git a/libdrm/dri_bufmgr.h b/libdrm/dri_bufmgr.h
index 7a7dd6e9..2005bdc6 100644
--- a/libdrm/dri_bufmgr.h
+++ b/libdrm/dri_bufmgr.h
@@ -150,7 +150,7 @@ struct _dri_bufmgr {
 
    void (*post_submit)(dri_bo *batch_buf);
 
-   int (*check_aperture_space)(dri_bo *bo);
+   int (*check_aperture_space)(dri_bo **bo_array, int count);
    int debug; /**< Enables verbose debugging printouts */
 };
 
@@ -173,6 +173,6 @@ void dri_bufmgr_destroy(dri_bufmgr *bufmgr);
 void *dri_process_relocs(dri_bo *batch_buf);
 void dri_post_process_relocs(dri_bo *batch_buf);
 void dri_post_submit(dri_bo *batch_buf);
-int dri_bufmgr_check_aperture_space(dri_bo *bo);
+int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count);
 
 #endif
diff --git a/libdrm/intel/Makefile.am b/libdrm/intel/Makefile.am
index 111204b1..31a8512a 100644
--- a/libdrm/intel/Makefile.am
+++ b/libdrm/intel/Makefile.am
@@ -24,6 +24,7 @@
 
 AM_CFLAGS = \
 	$(WARN_CFLAGS) \
+	-I$(top_srcdir)/libdrm \
 	-I$(top_srcdir)/shared-core
 
 noinst_LTLIBRARIES = libdrm_intel.la
diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c
index e988eb58..e2dd9dc7 100644
--- a/libdrm/intel/intel_bufmgr_fake.c
+++ b/libdrm/intel/intel_bufmgr_fake.c
@@ -42,6 +42,9 @@
 #include "drm.h"
 #include "i915_drm.h"
 #include "mm.h"
+#include "libdrm_lists.h"
+
+#define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 
 #define DBG(...) do {					\
    if (bufmgr_fake->bufmgr.debug)			\
@@ -147,9 +150,6 @@ typedef struct _bufmgr_fake {
    int debug;
 
    int performed_rendering;
-
-   /* keep track of the current total size of objects we have relocs for */
-   unsigned long current_total_size;
 } dri_bufmgr_fake;
 
 typedef struct _dri_bo_fake {
@@ -159,8 +159,8 @@ typedef struct _dri_bo_fake {
    const char *name;
 
    unsigned dirty:1;
-   unsigned size_accounted:1; /*this buffers size has been accounted against the aperture */
-   unsigned card_dirty:1; /* has the card written to this buffer - we make need to copy it back */
+   /** has the card written to this buffer - we make need to copy it back */
+   unsigned card_dirty:1;
    unsigned int refcount;
    /* Flags may consist of any of the DRM_BO flags, plus
     * DRM_BO_NO_BACKING_STORE and BM_NO_FENCE_SUBDATA, which are the first two
@@ -179,6 +179,12 @@ typedef struct _dri_bo_fake {
    /** relocation list */
    struct fake_buffer_reloc *relocs;
    int nr_relocs;
+   /**
+    * Total size of the target_bos of this buffer.
+    *
+    * Used for estimation in check_aperture.
+    */
+   unsigned int child_size;
 
    struct block *block;
    void *backing_store;
@@ -189,8 +195,6 @@ typedef struct _dri_bo_fake {
 static int clear_fenced(dri_bufmgr_fake *bufmgr_fake,
 			unsigned int fence_cookie);
 
-static int dri_fake_check_aperture_space(dri_bo *bo);
-
 #define MAXFENCE 0x7fffffff
 
 static int FENCE_LTE( unsigned a, unsigned b )
@@ -855,9 +859,6 @@ dri_fake_bo_validate(dri_bo *bo)
       return 0;
    }
 
-   /* reset size accounted */
-   bo_fake->size_accounted = 0;
-
    /* Allocate the card memory */
    if (!bo_fake->block && !evict_and_alloc_block(bo)) {
       bufmgr_fake->fail = 1;
@@ -941,8 +942,6 @@ dri_fake_emit_reloc(dri_bo *reloc_buf,
    assert(reloc_buf);
    assert(target_buf);
 
-   assert(target_fake->is_static || target_fake->size_accounted);
-
    if (reloc_fake->relocs == NULL) {
       reloc_fake->relocs = malloc(sizeof(struct fake_buffer_reloc) *
 				  MAX_RELOCS);
@@ -954,6 +953,9 @@ dri_fake_emit_reloc(dri_bo *reloc_buf,
 
    dri_bo_reference(target_buf);
 
+   if (!target_fake->is_static)
+      reloc_fake->child_size += ALIGN(target_buf->size, target_fake->alignment);
+
    r->target_buf = target_buf;
    r->offset = offset;
    r->last_target_offset = target_buf->offset;
@@ -1079,7 +1081,6 @@ dri_fake_process_relocs(dri_bo *batch_buf)
 
    assert(ret == 0);
 
-   bufmgr_fake->current_total_size = 0;
    return NULL;
 }
 
@@ -1117,26 +1118,39 @@ dri_fake_post_submit(dri_bo *batch_buf)
    dri_bo_fake_post_submit(batch_buf);
 }
 
+/**
+ * Return an error if the list of BOs will exceed the aperture size.
+ *
+ * This is a rough guess and likely to fail, as during the validate sequence we
+ * may place a buffer in an inopportune spot early on and then fail to fit
+ * a set smaller than the aperture.
+ */
 static int
-dri_fake_check_aperture_space(dri_bo *bo)
+dri_fake_check_aperture_space(dri_bo **bo_array, int count)
 {
-   dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
-   dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
-   unsigned int sz;
+   dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo_array[0]->bufmgr;
+   unsigned int sz = 0;
+   int i;
 
-   sz = (bo->size + bo_fake->alignment - 1) & ~(bo_fake->alignment - 1);
+   for (i = 0; i < count; i++) {
+      dri_bo_fake *bo_fake = (dri_bo_fake *)bo_array[i];
 
-   if (bo_fake->size_accounted || bo_fake->is_static)
-      return 0;
+      if (bo_fake == NULL)
+	 continue;
+
+      if (!bo_fake->is_static)
+	 sz += ALIGN(bo_array[i]->size, bo_fake->alignment);
+      sz += bo_fake->child_size;
+   }
 
-   if (bufmgr_fake->current_total_size + sz > bufmgr_fake->size) {
-     DBG("check_space: %s bo %d %d overflowed bufmgr size %d\n", bo_fake->name, bo_fake->id, sz, bufmgr_fake->size);
+   if (sz > bufmgr_fake->size) {
+      DBG("check_space: overflowed bufmgr size, %dkb vs %dkb\n",
+	  sz / 1024, bufmgr_fake->size / 1024);
       return -1;
    }
 
-   bufmgr_fake->current_total_size += sz;
-   bo_fake->size_accounted = 1;
-   DBG("drm_check_space: buf %d, %s %d %d\n", bo_fake->id, bo_fake->name, bo->size, bufmgr_fake->current_total_size);
+   DBG("drm_check_space: sz %dkb vs bufgr %dkb\n", sz / 1024 ,
+       bufmgr_fake->size / 1024);
    return 0;
 }
 
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index 02b1b252..af20efb2 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -103,6 +103,11 @@ struct _dri_bo_gem {
     const char *name;
 
     /**
+     * Kenel-assigned global name for this object
+     */
+    unsigned int global_name;
+    
+    /**
      * Index of the buffer within the validation list while preparing a
      * batchbuffer execution.
      */
@@ -834,13 +839,16 @@ dri_gem_flink(dri_bo *bo, uint32_t *name)
     struct drm_gem_flink flink;
     int ret;
 
-    flink.handle = bo_gem->gem_handle;
-
-    ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_GEM_FLINK, &flink);
-    if (ret != 0)
-	return -errno;
-
-    *name = flink.name;
+    if (!bo_gem->global_name) {
+	flink.handle = bo_gem->gem_handle;
+    
+	ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_GEM_FLINK, &flink);
+	if (ret != 0)
+	    return -errno;
+	bo_gem->global_name = flink.name;
+    }
+    
+    *name = bo_gem->global_name;
     return 0;
 }
 
@@ -866,7 +874,7 @@ intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr)
  *
  */
 static int
-dri_gem_check_aperture_space(dri_bo *bo)
+dri_gem_check_aperture_space(dri_bo **bo_array, int count)
 {
     return 0;
 }
diff --git a/libdrm/libdrm_lists.h b/libdrm/libdrm_lists.h
new file mode 100644
index 00000000..8e23991f
--- /dev/null
+++ b/libdrm/libdrm_lists.h
@@ -0,0 +1,87 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+
+/*
+ * List macros heavily inspired by the Linux kernel
+ * list handling. No list looping yet.
+ */
+
+typedef struct _drmMMListHead
+{
+    struct _drmMMListHead *prev;
+    struct _drmMMListHead *next;
+} drmMMListHead;
+
+#define DRMINITLISTHEAD(__item)		       \
+  do{					       \
+    (__item)->prev = (__item);		       \
+    (__item)->next = (__item);		       \
+  } while (0)
+
+#define DRMLISTADD(__item, __list)		\
+  do {						\
+    (__item)->prev = (__list);			\
+    (__item)->next = (__list)->next;		\
+    (__list)->next->prev = (__item);		\
+    (__list)->next = (__item);			\
+  } while (0)
+
+#define DRMLISTADDTAIL(__item, __list)		\
+  do {						\
+    (__item)->next = (__list);			\
+    (__item)->prev = (__list)->prev;		\
+    (__list)->prev->next = (__item);		\
+    (__list)->prev = (__item);			\
+  } while(0)
+
+#define DRMLISTDEL(__item)			\
+  do {						\
+    (__item)->prev->next = (__item)->next;	\
+    (__item)->next->prev = (__item)->prev;	\
+  } while(0)
+
+#define DRMLISTDELINIT(__item)			\
+  do {						\
+    (__item)->prev->next = (__item)->next;	\
+    (__item)->next->prev = (__item)->prev;	\
+    (__item)->next = (__item);			\
+    (__item)->prev = (__item);			\
+  } while(0)
+
+#define DRMLISTENTRY(__type, __item, __field)   \
+    ((__type *)(((char *) (__item)) - offsetof(__type, __field)))
+
+#define DRMLISTEMPTY(__item) ((__item)->next == (__item))
+
+#define DRMLISTFOREACHSAFE(__item, __temp, __list)			\
+	for ((__item) = (__list)->next, (__temp) = (__item)->next;	\
+	     (__item) != (__list);					\
+	     (__item) = (__temp), (__temp) = (__item)->next)
+
+#define DRMLISTFOREACHSAFEREVERSE(__item, __temp, __list)		\
+	for ((__item) = (__list)->prev, (__temp) = (__item)->prev;	\
+	     (__item) != (__list);					\
+	     (__item) = (__temp), (__temp) = (__item)->prev)
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 4b4d009b..64765339 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2356,579 +2356,6 @@ int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data,
     return 0;
 }
 
-
-/*
- * Valid flags are 
- * DRM_FENCE_FLAG_EMIT
- * DRM_FENCE_FLAG_SHAREABLE
- * DRM_FENCE_MASK_DRIVER
- */
-
-int drmFenceCreate(int fd, unsigned flags, int fence_class, unsigned type,
-		   drmFence *fence)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.flags = flags;
-    arg.type = type;
-    arg.fence_class = fence_class;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_CREATE, &arg))
-	return -errno;
-    fence->handle = arg.handle;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->flags = arg.flags;
-    fence->signaled = 0;
-    return 0;
-}
-
-/*
- * Valid flags are 
- * DRM_FENCE_FLAG_SHAREABLE
- * DRM_FENCE_MASK_DRIVER
- */
-
-int drmFenceBuffers(int fd, unsigned flags, uint32_t fence_class, drmFence *fence)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.flags = flags;
-    arg.fence_class = fence_class;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg))
-	return -errno;
-    fence->handle = arg.handle;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->flags = arg.flags;
-    fence->sequence = arg.sequence;
-    fence->signaled = 0;
-    return 0;
-}
-
-int drmFenceReference(int fd, unsigned handle, drmFence *fence)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = handle;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg))
-	return -errno;
-    fence->handle = arg.handle;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->flags = arg.flags;
-    fence->signaled = arg.signaled;
-    return 0;
-}
-
-int drmFenceUnreference(int fd, const drmFence *fence)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = fence->handle;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg))
-	return -errno;
-    return 0;
-}
-
-int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = fence->handle;
-    arg.type = flush_type;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg))
-	return -errno;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->signaled = arg.signaled;
-    return arg.error;
-}
-
-int drmFenceUpdate(int fd, drmFence *fence)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = fence->handle;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg))
-	return -errno;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->signaled = arg.signaled;
-    return 0;
-}
-
-int drmFenceSignaled(int fd, drmFence *fence, unsigned fenceType, 
-		     int *signaled)
-{
-    if ((fence->flags & DRM_FENCE_FLAG_SHAREABLE) ||
-	((fenceType & fence->signaled) != fenceType)) {
-	int ret = drmFenceFlush(fd, fence, fenceType);
-	if (ret)
-	    return ret;
-    }
-
-    *signaled = ((fenceType & fence->signaled) == fenceType);
-
-    return 0;
-}
-
-/*
- * Valid flags are 
- * DRM_FENCE_FLAG_SHAREABLE
- * DRM_FENCE_MASK_DRIVER
- */
-
-
-int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type)
-{
-    drm_fence_arg_t arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.fence_class = fence->fence_class;
-    arg.flags = flags;
-    arg.handle = fence->handle;
-    arg.type = emit_type;
-
-    if (drmIoctl(fd, DRM_IOCTL_FENCE_EMIT, &arg))
-	return -errno;
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->signaled = arg.signaled;
-    fence->sequence = arg.sequence;
-    return 0;
-}
-
-/*
- * Valid flags are 
- * DRM_FENCE_FLAG_WAIT_LAZY
- * DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS
- */
-
-#define DRM_IOCTL_TIMEOUT_USEC 3000000UL
-
-static unsigned long
-drmTimeDiff(struct timeval *now, struct timeval *then)
-{
-    uint64_t val;
-
-    val = now->tv_sec - then->tv_sec;
-    val *= 1000000LL;
-    val += now->tv_usec;
-    val -= then->tv_usec;
-
-    return (unsigned long) val;
-}
-
-static int
-drmIoctlTimeout(int fd, unsigned long request, void *argp)
-{
-    int haveThen = 0;
-    struct timeval then, now;
-    int ret;
-
-    do {
-	ret = drmIoctl(fd, request, argp);
-	if (ret != 0 && errno == EAGAIN) {
-	    if (!haveThen) {
-		gettimeofday(&then, NULL);
-		haveThen = 1;
-	    }
-	    gettimeofday(&now, NULL);
-	}
-    } while (ret != 0 && errno == EAGAIN && 
-	     drmTimeDiff(&now, &then) < DRM_IOCTL_TIMEOUT_USEC);
-    
-    if (ret != 0)
-	return ((errno == EAGAIN) ? -EBUSY : -errno);
-
-    return 0;
-}
-    
-	
-
-
-int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
-{
-    drm_fence_arg_t arg;
-    int ret;
-
-    if (flush_type == 0) {
-	flush_type = fence->type;
-    }
-
-    if (!(fence->flags & DRM_FENCE_FLAG_SHAREABLE)) {
-	if ((flush_type & fence->signaled) == flush_type) {
-	    return 0;
-	}
-    }
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = fence->handle;
-    arg.type = flush_type;
-    arg.flags = flags;
-
-
-    ret = drmIoctlTimeout(fd, DRM_IOCTL_FENCE_WAIT, &arg);
-    if (ret)
-	return ret;
-
-    fence->fence_class = arg.fence_class;
-    fence->type = arg.type;
-    fence->signaled = arg.signaled;
-    return arg.error;
-}    
-
-static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
-{
-    buf->handle = rep->handle;
-    buf->flags = rep->flags;
-    buf->size = rep->size;
-    buf->offset = rep->offset;
-    buf->mapHandle = rep->arg_handle;
-    buf->proposedFlags = rep->proposed_flags;
-    buf->start = rep->buffer_start;
-    buf->fenceFlags = rep->fence_flags;
-    buf->replyFlags = rep->rep_flags;
-    buf->pageAlignment = rep->page_alignment;
-    buf->tileInfo = rep->tile_info;
-    buf->hwTileStride = rep->hw_tile_stride;
-    buf->desiredTileStride = rep->desired_tile_stride;
-}
-
-
-
-int drmBOCreate(int fd, unsigned long size,
-		unsigned pageAlignment, void *user_buffer,
-		uint64_t flags,
-		unsigned hint, drmBO *buf)
-{
-    struct drm_bo_create_arg arg;
-    struct drm_bo_create_req *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    int ret;
-
-    memset(buf, 0, sizeof(*buf));
-    memset(&arg, 0, sizeof(arg));
-    req->flags = flags;
-    req->hint = hint;
-    req->size = size;
-    req->page_alignment = pageAlignment;
-    req->buffer_start = (unsigned long) user_buffer;
-
-    buf->virtual = NULL;
-
-    ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_CREATE, &arg);
-    if (ret)
-	return ret;
-
-    drmBOCopyReply(rep, buf);
-    buf->virtual = user_buffer;
-    buf->mapCount = 0;
-
-    return 0;
-}
-
-int drmBOReference(int fd, unsigned handle, drmBO *buf)
-{
-    struct drm_bo_reference_info_arg arg;
-    struct drm_bo_handle_arg *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    
-    memset(&arg, 0, sizeof(arg));
-    req->handle = handle;
-    
-    if (drmIoctl(fd, DRM_IOCTL_BO_REFERENCE, &arg))
-	return -errno;
-
-    drmBOCopyReply(rep, buf);
-    buf->mapVirtual = NULL;
-    buf->mapCount = 0;
-    buf->virtual = NULL;
-
-    return 0;
-}
-
-int drmBOUnreference(int fd, drmBO *buf)
-{
-    struct drm_bo_handle_arg arg;
-
-    if (buf->mapVirtual && buf->mapHandle) {
-	(void) munmap(buf->mapVirtual, buf->start + buf->size);
-	buf->mapVirtual = NULL;
-	buf->virtual = NULL;
-    }
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = buf->handle;
-
-    if (drmIoctl(fd, DRM_IOCTL_BO_UNREFERENCE, &arg))
-	return -errno;
-
-    buf->handle = 0;
-    return 0;
-}   
-
-
-/*
- * Flags can be  DRM_BO_FLAG_READ, DRM_BO_FLAG_WRITE or'ed together
- * Hint currently be DRM_BO_HINT_DONT_BLOCK, which makes the
- * call return an -EBUSY if it can' immediately honor the mapping request.
- */
-
-int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
-	     void **address)
-{
-    struct drm_bo_map_wait_idle_arg arg;
-    struct drm_bo_info_req *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    int ret = 0;
-
-    /*
-     * Make sure we have a virtual address of the buffer.
-     */
-
-    if (!buf->virtual) {
-	drmAddress virtual;
-	virtual = mmap(0, buf->size + buf->start, 
-		       PROT_READ | PROT_WRITE, MAP_SHARED,
-		       fd, buf->mapHandle);
-	if (virtual == MAP_FAILED) {
-	    ret = -errno;
-	}
-	if (ret) 
-	    return ret;
-	buf->mapVirtual = virtual;
-	buf->virtual = ((char *) virtual) + buf->start;
-    }
-
-    memset(&arg, 0, sizeof(arg));
-    req->handle = buf->handle;
-    req->mask = mapFlags;
-    req->hint = mapHint;
-
-    /*
-     * May hang if the buffer object is busy.
-     * This IOCTL synchronizes the buffer.
-     */
-    
-    ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_MAP, &arg);
-    if (ret)
-	return ret;
-
-    drmBOCopyReply(rep, buf);	
-    buf->mapFlags = mapFlags;
-    ++buf->mapCount;
-    *address = buf->virtual;
-
-    return 0;
-}
-
-
-int drmBOUnmap(int fd, drmBO *buf)
-{
-    struct drm_bo_handle_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = buf->handle;
-
-    if (drmIoctl(fd, DRM_IOCTL_BO_UNMAP, &arg)) {
-	return -errno;
-    }
-    buf->mapCount--;
-    return 0;
-}
-
-int drmBOSetStatus(int fd, drmBO *buf, 
-		   uint64_t flags, uint64_t mask,
-		   unsigned int hint, 
-		   unsigned int desired_tile_stride,
-		   unsigned int tile_info)
-{
-
-    struct drm_bo_map_wait_idle_arg arg;
-    struct drm_bo_info_req *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    int ret = 0;
-
-    memset(&arg, 0, sizeof(arg));
-    req->mask = mask;
-    req->flags = flags;
-    req->handle = buf->handle;
-    req->hint = hint;
-    req->desired_tile_stride = desired_tile_stride;
-    req->tile_info = tile_info;
-    
-    ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_SETSTATUS, &arg);
-    if (ret) 
-	    return ret;
-
-    drmBOCopyReply(rep, buf);
-    return 0;
-}
-	    
-
-int drmBOInfo(int fd, drmBO *buf)
-{
-    struct drm_bo_reference_info_arg arg;
-    struct drm_bo_handle_arg *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    int ret = 0;
-
-    memset(&arg, 0, sizeof(arg));
-    req->handle = buf->handle;
-
-    ret = drmIoctl(fd, DRM_IOCTL_BO_INFO, &arg);
-    if (ret) 
-	return -errno;
-
-    drmBOCopyReply(rep, buf);
-    return 0;
-}
-
-int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint)
-{
-    struct drm_bo_map_wait_idle_arg arg;
-    struct drm_bo_info_req *req = &arg.d.req;
-    struct drm_bo_info_rep *rep = &arg.d.rep;
-    int ret = 0;
-
-    if ((buf->flags & DRM_BO_FLAG_SHAREABLE) ||
-	(buf->replyFlags & DRM_BO_REP_BUSY)) {
-        memset(&arg, 0, sizeof(arg));
-	req->handle = buf->handle;
-	req->hint = hint;
-
-	ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg);
-	if (ret) 
-	    return ret;
-
-	drmBOCopyReply(rep, buf);
-    }
-    return 0;
-}
-
-int drmBOBusy(int fd, drmBO *buf, int *busy)
-{
-    int ret = drmBOInfo(fd, buf);
-
-    if (ret)
-	return ret;
-
-    *busy = (buf->replyFlags & DRM_BO_REP_BUSY);
-    return 0;
-}
-
-int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
-	      unsigned memType)
-{
-    struct drm_mm_init_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-
-    arg.magic = DRM_BO_INIT_MAGIC;
-    arg.major = DRM_BO_INIT_MAJOR;
-    arg.minor = DRM_BO_INIT_MINOR;
-    arg.p_offset = pOffset;
-    arg.p_size = pSize;
-    arg.mem_type = memType;
-
-    if (drmIoctl(fd, DRM_IOCTL_MM_INIT, &arg))
-	return -errno;
-    return 0;	
-}
-
-int drmMMTakedown(int fd, unsigned memType)
-{
-    struct drm_mm_type_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.mem_type = memType;
-
-    if (drmIoctl(fd, DRM_IOCTL_MM_TAKEDOWN, &arg))
-	return -errno;
-    return 0;	
-}
-
-/*
- * If this function returns an error, and lockBM was set to 1,
- * the buffer manager is NOT locked.
- */
-
-int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict)
-{
-    struct drm_mm_type_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.mem_type = memType;
-    arg.lock_flags |= (lockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
-    arg.lock_flags |= (ignoreNoEvict) ? DRM_BO_LOCK_IGNORE_NO_EVICT : 0;
-
-    return drmIoctlTimeout(fd, DRM_IOCTL_MM_LOCK, &arg);
-}
-
-int drmMMUnlock(int fd, unsigned memType, int unlockBM)
-{
-    struct drm_mm_type_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-    
-    arg.mem_type = memType;
-    arg.lock_flags |= (unlockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
-
-    return drmIoctlTimeout(fd, DRM_IOCTL_MM_UNLOCK, &arg);
-}
-
-int drmMMInfo(int fd, unsigned memType, uint64_t *size)
-{
-    struct drm_mm_info_arg arg;
-
-    memset(&arg, 0, sizeof(arg));
-    
-    arg.mem_type = memType;
-
-    if (drmIoctl(fd, DRM_IOCTL_MM_INFO, &arg))
-	return -errno;
-
-    *size = arg.p_size;
-    return 0;
-}
-
-int drmBOVersion(int fd, unsigned int *major,
-		 unsigned int *minor,
-		 unsigned int *patchlevel)
-{
-    struct drm_bo_version_arg arg;
-    int ret;
-
-    memset(&arg, 0, sizeof(arg));
-    ret = drmIoctl(fd, DRM_IOCTL_BO_VERSION, &arg);
-    if (ret)
-	return -errno;
-
-    if (major)
-	*major = arg.major;
-    if (minor)
-	*minor = arg.minor;
-    if (patchlevel)
-	*patchlevel = arg.patchlevel;
-
-    return 0;
-}
-
-
-
 #define DRM_MAX_FDS 16
 static struct {
     char *BusID;
diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index b29b3e5d..584d2a41 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -664,6 +664,4 @@ extern void drmMsg(const char *format, ...);
 extern int drmSetMaster(int fd);
 extern int drmDropMaster(int fd);
 
-#include "xf86mm.h"
-
 #endif
diff --git a/linux-core/Makefile b/linux-core/Makefile
index 1790bdb0..aa212cf9 100644
--- a/linux-core/Makefile
+++ b/linux-core/Makefile
@@ -271,6 +271,10 @@ ifneq ($(PAGE_AGP),0)
 EXTRA_CFLAGS += -DHAVE_PAGE_AGP
 endif
 
+ifeq ($(OS_HAS_GEM), 1)
+EXTRA_CFLAGS += -DOS_HAS_GEM=1
+endif
+
 # Start with all modules turned off.
 CONFIG_DRM_GAMMA := n
 CONFIG_DRM_TDFX := n
@@ -337,8 +341,10 @@ ifneq (,$(findstring i810,$(DRM_MODULES)))
 CONFIG_DRM_I810 := m
 endif
 ifneq (,$(findstring i915,$(DRM_MODULES)))
+ifeq ($(OS_HAS_GEM), 1)
 CONFIG_DRM_I915 := m
 endif
+endif
 
 GIT_REVISION := $(shell cd "$(DRMSRCDIR)" && git-describe --abbrev=17)
 ifneq ($(GIT_REVISION),)
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index 35066f29..88c5bb1d 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -401,4 +401,12 @@ extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
 #define drm_core_ioremap_wc drm_core_ioremap
 #endif
 
+#ifndef OS_HAS_GEM
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
+#define OS_HAS_GEM 1
+#else
+#define OS_HAS_GEM 0
+#endif
+#endif
+
 #endif
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index be441b00..aefbd76d 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -176,9 +176,11 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 
 	DRM_IOCTL_DEF(DRM_IOCTL_MM_INFO, drm_mm_info_ioctl, 0),
 
+#if OS_HAS_GEM
 	DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0),
 	DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH),
+#endif
 };
 
 #define DRM_CORE_IOCTL_COUNT	ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_gem.c b/linux-core/drm_gem.c
index 05320376..0cbf9cab 100644
--- a/linux-core/drm_gem.c
+++ b/linux-core/drm_gem.c
@@ -25,6 +25,12 @@
  *
  */
 
+#include <linux/version.h>
+
+#include "drmP.h"
+
+#if OS_HAS_GEM
+
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
@@ -34,7 +40,6 @@
 #include <linux/module.h>
 #include <linux/mman.h>
 #include <linux/pagemap.h>
-#include "drmP.h"
 
 /** @file drm_gem.c
  *
@@ -417,3 +422,22 @@ drm_gem_object_handle_free(struct kref *kref)
 }
 EXPORT_SYMBOL(drm_gem_object_handle_free);
 
+#else
+
+int drm_gem_init(struct drm_device *dev)
+{
+	return 0;
+}
+
+void drm_gem_open(struct drm_device *dev, struct drm_file *file_private)
+{
+
+}
+
+void
+drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
+{
+
+}
+
+#endif
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 0d5242d3..d4d97a4d 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -698,7 +698,7 @@ EXPORT_SYMBOL(drm_mmap);
  * protected by the bo->mutex lock.
  */
 
-#ifdef DRM_FULL_MM_COMPAT
+#if defined(DRM_FULL_MM_COMPAT) && !defined(DRM_NO_FAULT)
 static int drm_bo_vm_fault(struct vm_area_struct *vma,
 				     struct vm_fault *vmf)
 {
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 1b294bbd..28fa35fd 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -1119,6 +1119,7 @@ int i915_driver_irq_postinstall(struct drm_device * dev)
 
 	DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
 	dev_priv->user_irq_refcount = 0;
+	dev_priv->irq_mask_reg = ~0;
 
 	ret = drm_vblank_init(dev, num_pipes);
 	if (ret)
diff --git a/shared-core/nv40_graph.c b/shared-core/nv40_graph.c
index 2540fc5f..de178f57 100644
--- a/shared-core/nv40_graph.c
+++ b/shared-core/nv40_graph.c
@@ -1544,6 +1544,8 @@ nv40_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
 	tmp |= NV40_PGRAPH_CTXCTL_0304_XFER_CTX;
 	NV_WRITE(NV40_PGRAPH_CTXCTL_0304, tmp);
 
+	nouveau_wait_for_idle(dev);
+
 	for (i = 0; i < tv; i++) {
 		if (NV_READ(NV40_PGRAPH_CTXCTL_030C) == 0)
 			break;
@@ -1565,9 +1567,7 @@ nv40_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
 	return 0;
 }
 
-/* Save current context (from PGRAPH) into the channel's context
- *XXX: fails sometimes, not sure why..
- */
+/* Save current context (from PGRAPH) into the channel's context */
 int
 nv40_graph_save_context(struct nouveau_channel *chan)
 {
@@ -1581,9 +1581,7 @@ nv40_graph_save_context(struct nouveau_channel *chan)
 	return nv40_graph_transfer_context(dev, inst, 1);
 }
 
-/* Restore the context for a specific channel into PGRAPH
- * XXX: fails sometimes.. not sure why
- */
+/* Restore the context for a specific channel into PGRAPH */
 int
 nv40_graph_load_context(struct nouveau_channel *chan)
 {