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描述文字

C++ radeon_get_rdev函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中radeon_get_rdev函数的典型用法代码示例。如果您正苦于以下问题：C++ radeon_get_rdev函数的具体用法？C++ radeon_get_rdev怎么用？C++ radeon_get_rdev使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了radeon_get_rdev函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: radeon_ttm_tt_unpopulate

static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt = (void *)ttm;
	unsigned i;
	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);

	if (slave)
		return;

	rdev = radeon_get_rdev(ttm->bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		ttm_agp_tt_unpopulate(ttm);
		return;
	}
#endif

#ifdef CONFIG_SWIOTLB
	if (swiotlb_nr_tbl()) {
		ttm_dma_unpopulate(&gtt->ttm, rdev->dev);
		return;
	}
#endif

	bus_dmamap_unload(rdev->dmat, gtt->map);
	for (i = 0; i < ttm->num_pages; i++)
		gtt->ttm.dma_address[i] = 0;

	ttm_pool_unpopulate(ttm);
}
开发者ID:orumin，项目名称:openbsd-efivars，代码行数:31，代码来源:radeon_ttm.c


示例2: radeon_get_rdev

struct ttm_tt *radeon_ttm_tt_create(struct ttm_bo_device *bdev,
				    unsigned long size, uint32_t page_flags,
				    struct page *dummy_read_page)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt;

	rdev = radeon_get_rdev(bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_create(bdev, rdev->ddev->agp->bridge,
					 size, page_flags, dummy_read_page);
	}
#endif

	gtt = kzalloc(sizeof(struct radeon_ttm_tt), GFP_KERNEL);
	if (gtt == NULL) {
		return NULL;
	}
	gtt->ttm.ttm.func = &radeon_backend_func;
	gtt->rdev = rdev;
	if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags, dummy_read_page)) {
		kfree(gtt);
		return NULL;
	}
	return &gtt->ttm.ttm;
}
开发者ID:laitianli，项目名称:loongson-linux-2.6.36-3_mips，代码行数:27，代码来源:radeon_ttm.c


示例3: radeon_ttm_tt_unpopulate

static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt = (void *)ttm;
	unsigned i;

	rdev = radeon_get_rdev(ttm->bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		ttm_agp_tt_unpopulate(ttm);
		return;
	}
#endif

#ifdef CONFIG_SWIOTLB
	if (swiotlb_nr_tbl()) {
		ttm_dma_unpopulate(&gtt->ttm, rdev->dev);
		return;
	}
#endif

	for (i = 0; i < ttm->num_pages; i++) {
		if (gtt->ttm.dma_address[i]) {
			pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
		}
	}

	ttm_pool_unpopulate(ttm);
}
开发者ID:laitianli，项目名称:loongson-linux-2.6.36-3_mips，代码行数:30，代码来源:radeon_ttm.c


示例4: radeon_get_rdev

static struct ttm_tt *radeon_ttm_tt_create(struct ttm_bo_device *bdev,
				    unsigned long size, uint32_t page_flags,
				    vm_page_t dummy_read_page)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt;

	rdev = radeon_get_rdev(bdev);
#if __OS_HAS_AGP
#ifdef DUMBBELL_WIP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_create(bdev, rdev->ddev->agp->agpdev,
					 size, page_flags, dummy_read_page);
	}
#endif /* DUMBBELL_WIP */
#endif

	gtt = kmalloc(sizeof(struct radeon_ttm_tt), DRM_MEM_DRIVER,
		      M_WAITOK | M_ZERO);
	if (gtt == NULL) {
		return NULL;
	}
	gtt->ttm.ttm.func = &radeon_backend_func;
	gtt->rdev = rdev;
	if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags, dummy_read_page)) {
		drm_free(gtt, DRM_MEM_DRIVER);
		return NULL;
	}
	return &gtt->ttm.ttm;
}
开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:30，代码来源:radeon_ttm.c


示例5: radeon_move_blit

static int radeon_move_blit(struct ttm_buffer_object *bo,
			bool evict, int no_wait_reserve, bool no_wait_gpu,
			struct ttm_mem_reg *new_mem,
			struct ttm_mem_reg *old_mem)
{
	struct radeon_device *rdev;
	uint64_t old_start, new_start;
	struct radeon_fence *fence;
	int r;

	rdev = radeon_get_rdev(bo->bdev);
	r = radeon_fence_create(rdev, &fence);
	if (unlikely(r)) {
		return r;
	}
	old_start = old_mem->start << PAGE_SHIFT;
	new_start = new_mem->start << PAGE_SHIFT;

	switch (old_mem->mem_type) {
	case TTM_PL_VRAM:
		old_start += rdev->mc.vram_start;
		break;
	case TTM_PL_TT:
		old_start += rdev->mc.gtt_start;
		break;
	default:
		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
		return -EINVAL;
	}
	switch (new_mem->mem_type) {
	case TTM_PL_VRAM:
		new_start += rdev->mc.vram_start;
		break;
	case TTM_PL_TT:
		new_start += rdev->mc.gtt_start;
		break;
	default:
		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
		return -EINVAL;
	}
	if (!rdev->cp.ready) {
		DRM_ERROR("Trying to move memory with CP turned off.\n");
		return -EINVAL;
	}

	BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0);

	r = radeon_copy(rdev, old_start, new_start,
			new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */
			fence);
	/* FIXME: handle copy error */
	r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL,
				      evict, no_wait_reserve, no_wait_gpu, new_mem);
	radeon_fence_unref(&fence);
	return r;
}
开发者ID:125radheyshyam，项目名称:linux，代码行数:56，代码来源:radeon_ttm.c


示例6: radeon_init_mem_type

static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
				struct ttm_mem_type_manager *man)
{
	struct radeon_device *rdev;

    ENTER();

	rdev = radeon_get_rdev(bdev);

	switch (type) {
	case TTM_PL_SYSTEM:
		/* System memory */
		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
		man->available_caching = TTM_PL_MASK_CACHING;
		man->default_caching = TTM_PL_FLAG_CACHED;
		break;
	case TTM_PL_TT:
		man->func = &ttm_bo_manager_func;
		man->gpu_offset = rdev->mc.gtt_start;
		man->available_caching = TTM_PL_MASK_CACHING;
		man->default_caching = TTM_PL_FLAG_CACHED;
		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
#if __OS_HAS_AGP
		if (rdev->flags & RADEON_IS_AGP) {
			if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) {
				DRM_ERROR("AGP is not enabled for memory type %u\n",
					  (unsigned)type);
				return -EINVAL;
			}
			if (!rdev->ddev->agp->cant_use_aperture)
				man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
			man->available_caching = TTM_PL_FLAG_UNCACHED |
						 TTM_PL_FLAG_WC;
			man->default_caching = TTM_PL_FLAG_WC;
		}
#endif
		break;
	case TTM_PL_VRAM:
		/* "On-card" video ram */
		man->func = &ttm_bo_manager_func;
		man->gpu_offset = rdev->mc.vram_start;
		man->flags = TTM_MEMTYPE_FLAG_FIXED |
			     TTM_MEMTYPE_FLAG_MAPPABLE;
		man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
		man->default_caching = TTM_PL_FLAG_WC;
		break;
	default:
		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
		return -EINVAL;
	}

    LEAVE();

	return 0;
}
开发者ID:Misha-Mainenko，项目名称:kolibrios-llvm，代码行数:55，代码来源:radeon_ttm.c


示例7: radeon_move_blit

static int radeon_move_blit(struct ttm_buffer_object *bo,
			bool evict, bool no_wait_gpu,
			struct ttm_mem_reg *new_mem,
			struct ttm_mem_reg *old_mem)
{
	struct radeon_device *rdev;
	uint64_t old_start, new_start;
	struct radeon_fence *fence;
	int r, ridx;

	rdev = radeon_get_rdev(bo->bdev);
	ridx = radeon_copy_ring_index(rdev);
	old_start = old_mem->start << PAGE_SHIFT;
	new_start = new_mem->start << PAGE_SHIFT;

	switch (old_mem->mem_type) {
	case TTM_PL_VRAM:
		old_start += rdev->mc.vram_start;
		break;
	case TTM_PL_TT:
		old_start += rdev->mc.gtt_start;
		break;
	default:
		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
		return -EINVAL;
	}
	switch (new_mem->mem_type) {
	case TTM_PL_VRAM:
		new_start += rdev->mc.vram_start;
		break;
	case TTM_PL_TT:
		new_start += rdev->mc.gtt_start;
		break;
	default:
		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
		return -EINVAL;
	}
	if (!rdev->ring[ridx].ready) {
		DRM_ERROR("Trying to move memory with ring turned off.\n");
		return -EINVAL;
	}

	CTASSERT((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) == 0);

	/* sync other rings */
	fence = bo->sync_obj;
	r = radeon_copy(rdev, old_start, new_start,
			new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */
			&fence);
	/* FIXME: handle copy error */
	r = ttm_bo_move_accel_cleanup(bo, (void *)fence,
				      evict, no_wait_gpu, new_mem);
	radeon_fence_unref(&fence);
	return r;
}
开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:55，代码来源:radeon_ttm.c


示例8: radeon_ttm_tt_populate

static int radeon_ttm_tt_populate(struct ttm_tt *ttm)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt = (void *)ttm;
	unsigned i;
	int r;
	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);

	if (ttm->state != tt_unpopulated)
		return 0;

	if (slave && ttm->sg) {
		drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
						 gtt->ttm.dma_address, ttm->num_pages);
		ttm->state = tt_unbound;
		return 0;
	}

	rdev = radeon_get_rdev(ttm->bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_populate(ttm);
	}
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
#ifdef CONFIG_SWIOTLB
	if (swiotlb_nr_tbl()) {
		return ttm_dma_populate(&gtt->ttm, rdev->dev);
	}
#endif
#endif

	r = ttm_pool_populate(ttm);
	if (r) {
		return r;
	}

	for (i = 0; i < ttm->num_pages; i++) {
		gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],
						       0, PAGE_SIZE,
						       PCI_DMA_BIDIRECTIONAL);
		if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {
			while (--i) {
				pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
				gtt->ttm.dma_address[i] = 0;
			}
			ttm_pool_unpopulate(ttm);
			return -EFAULT;
		}
	}
	return 0;
}
开发者ID:Kratos1982，项目名称:UbuntuTouch，代码行数:54，代码来源:radeon_ttm.c


示例9: radeon_move_vram_ram

static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
				bool evict, bool interruptible,
				bool no_wait_reserve, bool no_wait_gpu,
				struct ttm_mem_reg *new_mem)
{
	struct radeon_device *rdev;
	struct ttm_mem_reg *old_mem = &bo->mem;
	struct ttm_mem_reg tmp_mem;
	u32 placements;
	struct ttm_placement placement;
	int r;

	rdev = radeon_get_rdev(bo->bdev);
	tmp_mem = *new_mem;
	tmp_mem.mm_node = NULL;
	placement.fpfn = 0;
	placement.lpfn = 0;
	placement.num_placement = 1;
	placement.placement = &placements;
	placement.num_busy_placement = 1;
	placement.busy_placement = &placements;
	placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
	r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
			     interruptible, no_wait_reserve, no_wait_gpu);
	if (unlikely(r)) {
		return r;
	}

	r = ttm_tt_set_placement_caching(bo->ttm, tmp_mem.placement);
	if (unlikely(r)) {
		goto out_cleanup;
	}

	r = ttm_tt_bind(bo->ttm, &tmp_mem);
	if (unlikely(r)) {
		goto out_cleanup;
	}
	r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem, old_mem);
	if (unlikely(r)) {
		goto out_cleanup;
	}
	r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, new_mem);
out_cleanup:
	if (tmp_mem.mm_node) {
		struct ttm_bo_global *glob = rdev->mman.bdev.glob;

		spin_lock(&glob->lru_lock);
		drm_mm_put_block(tmp_mem.mm_node);
		spin_unlock(&glob->lru_lock);
		return r;
	}
	return r;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:53，代码来源:radeon_ttm.c


示例10: radeon_create_ttm_backend_entry

static struct ttm_backend*
radeon_create_ttm_backend_entry(struct ttm_bo_device *bdev)
{
	struct radeon_device *rdev;

	rdev = radeon_get_rdev(bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_backend_init(bdev, rdev->ddev->agp->bridge);
	} else
#endif
	{
		return radeon_ttm_backend_create(rdev);
	}
}
开发者ID:AdrianHuang，项目名称:uclinux-robutest，代码行数:15，代码来源:radeon_ttm.c


示例11: radeon_ttm_fault

static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
	struct ttm_buffer_object *bo;
	struct radeon_device *rdev;
	int r;

	bo = (struct ttm_buffer_object *)vma->vm_private_data;	
	if (bo == NULL) {
		return VM_FAULT_NOPAGE;
	}
	rdev = radeon_get_rdev(bo->bdev);
	mutex_lock(&rdev->vram_mutex);
	r = ttm_vm_ops->fault(vma, vmf);
	mutex_unlock(&rdev->vram_mutex);
	return r;
}
开发者ID:laitianli，项目名称:loongson-linux-2.6.36-3_mips，代码行数:16，代码来源:radeon_ttm.c


示例12: radeon_ttm_fault

static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
	struct ttm_buffer_object *bo;
	struct radeon_device *rdev;
	int r;

	bo = (struct ttm_buffer_object *)vma->vm_private_data;	
	if (bo == NULL) {
		return VM_FAULT_NOPAGE;
	}
	rdev = radeon_get_rdev(bo->bdev);
	lockmgr(&rdev->pm.mclk_lock, LK_SHARED);
	r = ttm_vm_ops->fault(vma, vmf);
	lockmgr(&rdev->pm.mclk_lock, LK_RELEASE);
	return r;
}
开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:16，代码来源:radeon_ttm.c


示例13: radeon_ttm_fault

static int
radeon_ttm_fault(struct uvm_faultinfo *ufi, vaddr_t vaddr, vm_page_t *pps,
    int npages, int centeridx, vm_fault_t fault_type,
    vm_prot_t access_type, int flags)
{
	struct ttm_buffer_object *bo;
	struct radeon_device *rdev;
	int r;

	bo = (struct ttm_buffer_object *)ufi->entry->object.uvm_obj;
	rdev = radeon_get_rdev(bo->bdev);
	down_read(&rdev->pm.mclk_lock);
	r = ttm_vm_ops->pgo_fault(ufi, vaddr, pps, npages, centeridx,
				  fault_type, access_type, flags);
	up_read(&rdev->pm.mclk_lock);
	return r;
}
开发者ID:orumin，项目名称:openbsd-efivars，代码行数:17，代码来源:radeon_ttm.c


示例14: radeon_ttm_tt_populate

static int radeon_ttm_tt_populate(struct ttm_tt *ttm)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt = (void *)ttm;
	unsigned i;
	int r;

	if (ttm->state != tt_unpopulated)
		return 0;

	rdev = radeon_get_rdev(ttm->bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_populate(ttm);
	}
#endif

#ifdef CONFIG_SWIOTLB
	if (swiotlb_nr_tbl()) {
		return ttm_dma_populate(&gtt->ttm, rdev->dev);
	}
#endif

	r = ttm_pool_populate(ttm);
	if (r) {
		return r;
	}

	for (i = 0; i < ttm->num_pages; i++) {
		gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],
						       0, PAGE_SIZE,
						       PCI_DMA_BIDIRECTIONAL);
		if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {
			while (--i) {
				pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
				gtt->ttm.dma_address[i] = 0;
			}
			ttm_pool_unpopulate(ttm);
			return -EFAULT;
		}
	}
	return 0;
}
开发者ID:laitianli，项目名称:loongson-linux-2.6.36-3_mips，代码行数:44，代码来源:radeon_ttm.c


示例15: radeon_get_rdev

static struct ttm_tt *radeon_ttm_tt_create(struct ttm_bo_device *bdev,
				    unsigned long size, uint32_t page_flags,
				    struct vm_page *dummy_read_page)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt;

	rdev = radeon_get_rdev(bdev);
#if __OS_HAS_AGP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_create(bdev, rdev->ddev->agp,
					 size, page_flags, dummy_read_page);
	}
#endif

	gtt = kzalloc(sizeof(struct radeon_ttm_tt), GFP_KERNEL);
	if (gtt == NULL) {
		return NULL;
	}
	gtt->ttm.ttm.func = &radeon_backend_func;
	gtt->rdev = rdev;
	if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags, dummy_read_page)) {
		kfree(gtt);
		return NULL;
	}

	gtt->segs = mallocarray(gtt->ttm.ttm.num_pages,
	    sizeof(bus_dma_segment_t), M_DRM, M_WAITOK | M_ZERO);
	if (gtt->segs == NULL) {
		ttm_dma_tt_fini(&gtt->ttm);
		free(gtt, M_DRM, 0);
		return NULL;
	}

	if (bus_dmamap_create(rdev->dmat, size, gtt->ttm.ttm.num_pages, size,
			      0, BUS_DMA_WAITOK, &gtt->map)) {
		free(gtt->segs, M_DRM, 0);
		ttm_dma_tt_fini(&gtt->ttm);
		free(gtt, M_DRM, 0);
		return NULL;
	}

	return &gtt->ttm.ttm;
}
开发者ID:orumin，项目名称:openbsd-efivars，代码行数:44，代码来源:radeon_ttm.c


示例16: radeon_move_ram_vram

static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
				bool evict, bool interruptible,
				bool no_wait_gpu,
				struct ttm_mem_reg *new_mem)
{
	struct radeon_device *rdev;
	struct ttm_mem_reg *old_mem = &bo->mem;
	struct ttm_mem_reg tmp_mem;
	struct ttm_placement placement;
	u32 placements;
	int r;

	rdev = radeon_get_rdev(bo->bdev);
	tmp_mem = *new_mem;
	tmp_mem.mm_node = NULL;
	placement.fpfn = 0;
	placement.lpfn = 0;
	placement.num_placement = 1;
	placement.placement = &placements;
	placement.num_busy_placement = 1;
	placement.busy_placement = &placements;
	placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
	r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
			     interruptible, no_wait_gpu);
	if (unlikely(r)) {
		return r;
	}
	r = ttm_bo_move_ttm(bo, true, no_wait_gpu, &tmp_mem);
	if (unlikely(r)) {
		goto out_cleanup;
	}
	r = radeon_move_blit(bo, true, no_wait_gpu, new_mem, old_mem);
	if (unlikely(r)) {
		goto out_cleanup;
	}
out_cleanup:
	ttm_bo_mem_put(bo, &tmp_mem);
	return r;
}
开发者ID:garyvan，项目名称:openwrt-1.6，代码行数:39，代码来源:radeon_ttm.c


示例17: radeon_ttm_io_mem_reserve

static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
	struct radeon_device *rdev = radeon_get_rdev(bdev);

	mem->bus.addr = NULL;
	mem->bus.offset = 0;
	mem->bus.size = mem->num_pages << PAGE_SHIFT;
	mem->bus.base = 0;
	mem->bus.is_iomem = false;
	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
		return -EINVAL;
	switch (mem->mem_type) {
	case TTM_PL_SYSTEM:
		/* system memory */
		return 0;
	case TTM_PL_TT:
#if __OS_HAS_AGP
		if (rdev->flags & RADEON_IS_AGP) {
			/* RADEON_IS_AGP is set only if AGP is active */
			mem->bus.offset = mem->start << PAGE_SHIFT;
			mem->bus.base = rdev->mc.agp_base;
			mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
		}
#endif
		break;
	case TTM_PL_VRAM:
		mem->bus.offset = mem->start << PAGE_SHIFT;
		/* check if it's visible */
		if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
			return -EINVAL;
		mem->bus.base = rdev->mc.aper_base;
		mem->bus.is_iomem = true;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
开发者ID:Ale1ster，项目名称:kerneldir，代码行数:39，代码来源:radeon_ttm.c


示例18: radeon_ttm_io_mem_reserve

static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
	struct radeon_device *rdev = radeon_get_rdev(bdev);

	mem->bus.addr = NULL;
	mem->bus.offset = 0;
	mem->bus.size = mem->num_pages << PAGE_SHIFT;
	mem->bus.base = 0;
	mem->bus.is_iomem = false;
	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
		return -EINVAL;
	switch (mem->mem_type) {
	case TTM_PL_SYSTEM:
		/*               */
		return 0;
	case TTM_PL_TT:
#if __OS_HAS_AGP
		if (rdev->flags & RADEON_IS_AGP) {
			/*                                            */
			mem->bus.offset = mem->start << PAGE_SHIFT;
			mem->bus.base = rdev->mc.agp_base;
			mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
		}
#endif
		break;
	case TTM_PL_VRAM:
		mem->bus.offset = mem->start << PAGE_SHIFT;
		/*                       */
		if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
			return -EINVAL;
		mem->bus.base = rdev->mc.aper_base;
		mem->bus.is_iomem = true;
#ifdef __alpha__
		/*
                                                      
                                     
   */
		if (mem->placement & TTM_PL_FLAG_WC)
			mem->bus.addr =
				ioremap_wc(mem->bus.base + mem->bus.offset,
					   mem->bus.size);
		else
			mem->bus.addr =
				ioremap_nocache(mem->bus.base + mem->bus.offset,
						mem->bus.size);

		/*
                                        
                                              
                                               
                                          
   */
		mem->bus.base = (mem->bus.base & 0x0ffffffffUL) +
			rdev->ddev->hose->dense_mem_base;
#endif
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:62，代码来源:radeon_ttm.c


示例19: radeon_ttm_tt_populate

static int radeon_ttm_tt_populate(struct ttm_tt *ttm)
{
	struct radeon_device *rdev;
	struct radeon_ttm_tt *gtt = (void *)ttm;
	unsigned i;
	int r;
#ifdef DUMBBELL_WIP
	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
#endif /* DUMBBELL_WIP */

	if (ttm->state != tt_unpopulated)
		return 0;

#ifdef DUMBBELL_WIP
	/*
	 * Maybe unneeded on FreeBSD.
	 *   -- [email protected]
	 */
	if (slave && ttm->sg) {
		drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
						 gtt->ttm.dma_address, ttm->num_pages);
		ttm->state = tt_unbound;
		return 0;
	}
#endif /* DUMBBELL_WIP */

	rdev = radeon_get_rdev(ttm->bdev);
#if __OS_HAS_AGP
#ifdef DUMBBELL_WIP
	if (rdev->flags & RADEON_IS_AGP) {
		return ttm_agp_tt_populate(ttm);
	}
#endif /* DUMBBELL_WIP */
#endif

#ifdef CONFIG_SWIOTLB
	if (swiotlb_nr_tbl()) {
		return ttm_dma_populate(&gtt->ttm, rdev->dev);
	}
#endif

	r = ttm_pool_populate(ttm);
	if (r) {
		return r;
	}

	for (i = 0; i < ttm->num_pages; i++) {
		gtt->ttm.dma_address[i] = VM_PAGE_TO_PHYS(ttm->pages[i]);
#ifdef DUMBBELL_WIP
		gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],
						       0, PAGE_SIZE,
						       PCI_DMA_BIDIRECTIONAL);
		if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {
			while (--i) {
				pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
				gtt->ttm.dma_address[i] = 0;
			}
			ttm_pool_unpopulate(ttm);
			return -EFAULT;
		}
#endif /* DUMBBELL_WIP */
	}
	return 0;
}
开发者ID:mihaicarabas，项目名称:dragonfly，代码行数:65，代码来源:radeon_ttm.c


示例20: radeon_ttm_io_mem_reserve

static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
	struct radeon_device *rdev = radeon_get_rdev(bdev);

	mem->bus.addr = NULL;
	mem->bus.offset = 0;
	mem->bus.size = mem->num_pages << PAGE_SHIFT;
	mem->bus.base = 0;
	mem->bus.is_iomem = false;
	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
		return -EINVAL;
	switch (mem->mem_type) {
	case TTM_PL_SYSTEM:
		/* system memory */
		return 0;
	case TTM_PL_TT:
#if __OS_HAS_AGP
		if (rdev->flags & RADEON_IS_AGP) {
			/* RADEON_IS_AGP is set only if AGP is active */
			mem->bus.offset = mem->start << PAGE_SHIFT;
			mem->bus.base = rdev->mc.agp_base;
			mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
		}
#endif
		break;
	case TTM_PL_VRAM:
		mem->bus.offset = mem->start << PAGE_SHIFT;
		/* check if it's visible */
		if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
			return -EINVAL;
		mem->bus.base = rdev->mc.aper_base;
		mem->bus.is_iomem = true;
#ifdef __alpha__
		/*
		 * Alpha: use bus.addr to hold the ioremap() return,
		 * so we can modify bus.base below.
		 */
		if (mem->placement & TTM_PL_FLAG_WC)
			mem->bus.addr =
				ioremap_wc(mem->bus.base + mem->bus.offset,
					   mem->bus.size);
		else
			mem->bus.addr =
				ioremap_nocache(mem->bus.base + mem->bus.offset,
						mem->bus.size);

		/*
		 * Alpha: Use just the bus offset plus
		 * the hose/domain memory base for bus.base.
		 * It then can be used to build PTEs for VRAM
		 * access, as done in ttm_bo_vm_fault().
		 */
		mem->bus.base = (mem->bus.base & 0x0ffffffffUL) +
			rdev->ddev->hose->dense_mem_base;
#endif
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
开发者ID:laitianli，项目名称:loongson-linux-2.6.36-3_mips，代码行数:62，代码来源:radeon_ttm.c



注：本文中的radeon_get_rdev函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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