C++ (Cpp) qxl_io_update_area Beispiele

Beispiel #1

Datei: qxl_cmd.c Projekt: AD5GB/kernel_n5_3.10-experimental

int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf)
{
	struct qxl_rect rect;
	int ret;

	/* if we are evicting, we need to make sure the surface is up
	   to date */
	rect.left = 0;
	rect.right = surf->surf.width;
	rect.top = 0;
	rect.bottom = surf->surf.height;
retry:
	ret = qxl_io_update_area(qdev, surf, &rect);
	if (ret == -ERESTARTSYS)
		goto retry;
	return ret;
}

Beispiel #2

Datei: qxl_ioctl.c Projekt: 513855417/linux

static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
				 struct drm_file *file)
{
	struct qxl_device *qdev = dev->dev_private;
	struct drm_qxl_update_area *update_area = data;
	struct qxl_rect area = {.left = update_area->left,
				.top = update_area->top,
				.right = update_area->right,
				.bottom = update_area->bottom};
	int ret;
	struct drm_gem_object *gobj = NULL;
	struct qxl_bo *qobj = NULL;

	if (update_area->left >= update_area->right ||
	    update_area->top >= update_area->bottom)
		return -EINVAL;

	gobj = drm_gem_object_lookup(file, update_area->handle);
	if (gobj == NULL)
		return -ENOENT;

	qobj = gem_to_qxl_bo(gobj);

	ret = qxl_bo_reserve(qobj, false);
	if (ret)
		goto out;

	if (!qobj->pin_count) {
		qxl_ttm_placement_from_domain(qobj, qobj->type, false);
		ret = ttm_bo_validate(&qobj->tbo, &qobj->placement,
				      true, false);
		if (unlikely(ret))
			goto out;
	}

	ret = qxl_bo_check_id(qdev, qobj);
	if (ret)
		goto out2;
	if (!qobj->surface_id)
		DRM_ERROR("got update area for surface with no id %d\n", update_area->handle);
	ret = qxl_io_update_area(qdev, qobj, &area);

out2:
	qxl_bo_unreserve(qobj);

out:
	drm_gem_object_unreference_unlocked(gobj);
	return ret;
}

static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
		       struct drm_file *file_priv)
{
	struct qxl_device *qdev = dev->dev_private;
	struct drm_qxl_getparam *param = data;

	switch (param->param) {
	case QXL_PARAM_NUM_SURFACES:
		param->value = qdev->rom->n_surfaces;
		break;
	case QXL_PARAM_MAX_RELOCS:
		param->value = QXL_MAX_RES;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv)
{
	struct qxl_device *qdev = dev->dev_private;
	struct drm_qxl_clientcap *param = data;
	int byte, idx;

	byte = param->index / 8;
	idx = param->index % 8;

	if (qdev->pdev->revision < 4)
		return -ENOSYS;

	if (byte >= 58)
		return -ENOSYS;

	if (qdev->rom->client_capabilities[byte] & (1 << idx))
		return 0;
	return -ENOSYS;
}

static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file)
{
	struct qxl_device *qdev = dev->dev_private;
	struct drm_qxl_alloc_surf *param = data;
	struct qxl_bo *qobj;
	int handle;
	int ret;
	int size, actual_stride;
	struct qxl_surface surf;

	/* work out size allocate bo with handle */
	actual_stride = param->stride < 0 ? -param->stride : param->stride;
	size = actual_stride * param->height + actual_stride;

	surf.format = param->format;
	surf.width = param->width;
	surf.height = param->height;
	surf.stride = param->stride;
	surf.data = 0;

	ret = qxl_gem_object_create_with_handle(qdev, file,
						QXL_GEM_DOMAIN_SURFACE,
						size,
						&surf,
						&qobj, &handle);
	if (ret) {
		DRM_ERROR("%s: failed to create gem ret=%d\n",
			  __func__, ret);
		return -ENOMEM;
	} else
		param->handle = handle;
	return ret;
}

const struct drm_ioctl_desc qxl_ioctls[] = {
	DRM_IOCTL_DEF_DRV(QXL_ALLOC, qxl_alloc_ioctl, DRM_AUTH),

	DRM_IOCTL_DEF_DRV(QXL_MAP, qxl_map_ioctl, DRM_AUTH),

	DRM_IOCTL_DEF_DRV(QXL_EXECBUFFER, qxl_execbuffer_ioctl,
							DRM_AUTH),
	DRM_IOCTL_DEF_DRV(QXL_UPDATE_AREA, qxl_update_area_ioctl,
							DRM_AUTH),
	DRM_IOCTL_DEF_DRV(QXL_GETPARAM, qxl_getparam_ioctl,
							DRM_AUTH),
	DRM_IOCTL_DEF_DRV(QXL_CLIENTCAP, qxl_clientcap_ioctl,
							DRM_AUTH),

	DRM_IOCTL_DEF_DRV(QXL_ALLOC_SURF, qxl_alloc_surf_ioctl,
			  DRM_AUTH),
};

int qxl_max_ioctls = ARRAY_SIZE(qxl_ioctls);