C++ (Cpp) drm_agp_allocate_memory Examples

Example #1

File: drm_agpsupport.c Project: JabirTech/Source

int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
{
	drm_agp_mem_t    *entry;
	void	         *handle;
	unsigned long    pages;
	u_int32_t	 type;
	struct agp_memory_info info;

	if (!dev->agp || !dev->agp->acquired)
		return EINVAL;

	entry = malloc(sizeof(*entry), DRM_MEM_AGPLISTS, M_NOWAIT | M_ZERO);
	if (entry == NULL)
		return ENOMEM;

	pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
	type = (u_int32_t) request->type;

	DRM_UNLOCK(dev);
	handle = drm_agp_allocate_memory(pages, type);
	DRM_LOCK(dev);
	if (handle == NULL) {
		free(entry, DRM_MEM_AGPLISTS);
		return ENOMEM;
	}
	
	entry->handle    = handle;
	entry->bound     = 0;
	entry->pages     = pages;
	entry->prev      = NULL;
	entry->next      = dev->agp->memory;
	if (dev->agp->memory)
		dev->agp->memory->prev = entry;
	dev->agp->memory = entry;

	agp_memory_info(dev->agp->agpdev, entry->handle, &info);

	request->handle   = (unsigned long) entry->handle;
        request->physical = info.ami_physical;

	return 0;
}

Example #2

File: drm_memory.c Project: 3sOx/asuswrt-merlin

/** Wrapper around agp_allocate_memory() */
DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
{
	return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
}

Example #3

File: drm_memory.c Project: kzlin129/tt-gpl

/** Wrapper around agp_allocate_memory() */
DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type)
{
	return drm_agp_allocate_memory(bridge, pages, type);
}