A minor function interface change and some memcpy bugfixing.

Hooray!! it sort of works with a fixed AGP area as faked VRAM.

4 files changed, 31 insertions, 29 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index aff10b62..7b8f2c66 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -697,9 +697,8 @@ typedef struct drm_bo_driver{
 	int (*init_mem_type)(struct drm_device *dev, uint32_t type,
 			     drm_mem_type_manager_t *man);
         uint32_t (*evict_flags) (struct drm_device *dev, uint32_t type);
-	int (*move)(struct drm_device *dev,
-		    struct drm_ttm *ttm, int evict, int no_wait,
-		    struct drm_bo_mem_reg *old_mem,
+	int (*move)(struct drm_buffer_object *bo,
+		    int evict, int no_wait,
 		    struct drm_bo_mem_reg *new_mem);
 } drm_bo_driver_t;
 
@@ -1517,15 +1516,13 @@ extern int drm_fence_buffer_objects(drm_file_t * priv,
  * drm_bo_move.c
  */
 
-extern int drm_bo_move_ttm(drm_device_t *dev, 
-			   drm_ttm_t *ttm, int evict,
+extern int drm_bo_move_ttm(drm_buffer_object_t *bo, 
+			   int evict,
 			   int no_wait,
-			   drm_bo_mem_reg_t *old_mem,
 			   drm_bo_mem_reg_t *new_mem);
-extern int drm_bo_move_memcpy(drm_device_t *dev, 
-			      drm_ttm_t *ttm, int evict,
+extern int drm_bo_move_memcpy(drm_buffer_object_t *bo, 
+			      int evict,
 			      int no_wait,
-			      drm_bo_mem_reg_t *old_mem,
 			      drm_bo_mem_reg_t *new_mem);
 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);
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 845db3fe..728afb41 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -124,7 +124,6 @@ static int drm_bo_add_ttm(drm_buffer_object_t * bo)
 {
 	drm_device_t *dev = bo->dev;
 	int ret = 0;
-
 	bo->ttm = NULL;
 
 	switch (bo->type) {
@@ -174,14 +173,11 @@ static int drm_bo_handle_move_mem(drm_buffer_object_t *bo,
 
 	if (!(old_man->flags & _DRM_FLAG_MEMTYPE_FIXED) &&
 	    !(new_man->flags & _DRM_FLAG_MEMTYPE_FIXED)) {
-		ret = drm_bo_move_ttm(dev, bo->ttm, evict, no_wait, 
-				      &bo->mem, mem);
+		ret = drm_bo_move_ttm(bo, evict, no_wait, mem);
 	}  else if (dev->driver->bo_driver->move) {
-		ret = dev->driver->bo_driver->move(dev, bo->ttm, evict, 
-						   no_wait, &bo->mem, mem);
+		ret = dev->driver->bo_driver->move(bo, evict, no_wait, mem);
 	} else {
-		ret = drm_bo_move_memcpy(dev, bo->ttm, evict, no_wait, 
-					 &bo->mem, mem);
+		ret = drm_bo_move_memcpy(bo, evict, no_wait, mem);
 	}
 
 	if (old_is_pci || new_is_pci)
diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c
index 23e8c0f2..b7a49299 100644
--- a/linux-core/drm_bo_move.c
+++ b/linux-core/drm_bo_move.c
@@ -30,13 +30,14 @@
 
 #include "drmP.h"
 
-int drm_bo_move_ttm(drm_device_t *dev,
-		    drm_ttm_t *ttm, 
+int drm_bo_move_ttm(drm_buffer_object_t *bo,
 		    int evict,
 		    int no_wait,
-		    drm_bo_mem_reg_t *old_mem,
 		    drm_bo_mem_reg_t *new_mem)
 {
+	drm_device_t *dev = bo->dev;
+	drm_ttm_t *ttm = bo->ttm;
+	drm_bo_mem_reg_t *old_mem = &bo->mem;
 	uint32_t save_flags = old_mem->flags;
 	uint32_t save_mask = old_mem->mask;
 	int ret;
@@ -135,8 +136,9 @@ void drm_mem_reg_iounmap(drm_device_t *dev, drm_bo_mem_reg_t *mem,
 	bm = &dev->bm;
 	man = &bm->man[mem->mem_type];
 	
-	if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) 
+	if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) {
 		iounmap(virtual);
+	}
 }
 
 
@@ -188,13 +190,16 @@ static int drm_copy_ttm_io_page(drm_ttm_t *ttm, void *dst, unsigned long page)
 }
 
 	
-int drm_bo_move_memcpy(drm_device_t *dev,
-		       drm_ttm_t *ttm, 
+int drm_bo_move_memcpy(drm_buffer_object_t *bo,
 		       int evict,
 		       int no_wait,
-		       drm_bo_mem_reg_t *old_mem,
 		       drm_bo_mem_reg_t *new_mem)
 {
+	drm_device_t *dev = bo->dev;
+	drm_mem_type_manager_t *man = &dev->bm.man[new_mem->mem_type];
+	drm_ttm_t *ttm = bo->ttm;
+	drm_bo_mem_reg_t *old_mem = &bo->mem;
+	drm_bo_mem_reg_t old_copy = *old_mem;
 	void *old_iomap;
 	void *new_iomap;
 	int ret;
@@ -205,7 +210,6 @@ int drm_bo_move_memcpy(drm_device_t *dev,
 	unsigned long add = 0;
 	int dir;
 	
-	
 	ret = drm_mem_reg_ioremap(dev, old_mem, &old_iomap);
 	if (ret)
 		return ret;
@@ -237,15 +241,22 @@ int drm_bo_move_memcpy(drm_device_t *dev,
 		if (ret)
 			goto out1;
 	}
-				
+	mb();
 out2:	
 	*old_mem = *new_mem;
 	new_mem->mm_node = NULL;
 	old_mem->mask = save_mask;
 	DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE);
+
+	if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (ttm != NULL)) {
+		drm_ttm_unbind(ttm);
+		drm_destroy_ttm(ttm);
+		bo->ttm = NULL;
+	}
+
 out1:
-	drm_mem_reg_iounmap(dev, new_mem, &new_iomap);
+	drm_mem_reg_iounmap(dev, new_mem, new_iomap);
 out:
-	drm_mem_reg_iounmap(dev, old_mem, old_iomap);
+	drm_mem_reg_iounmap(dev, &old_copy, old_iomap);
 	return ret;
 }
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index d0bca672..8dd15ded 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -250,7 +250,6 @@ struct page *drm_bo_vm_nopage(struct vm_area_struct *vma,
 	}
 
 	get_page(page);
-
 out_unlock:
 	mutex_unlock(&bo->mutex);
 	return page;
@@ -274,7 +273,6 @@ int drm_bo_map_bound(struct vm_area_struct *vma)
 	if (bus_size) {
 		unsigned long pfn = (bus_base + bus_offset) >> PAGE_SHIFT;
 		pgprot_t pgprot = drm_io_prot(_DRM_AGP, vma);
-	     
 		ret = io_remap_pfn_range(vma, vma->vm_start, pfn,
 					 vma->vm_end - vma->vm_start,
 					 pgprot);