Exemple #1
0
int vmw_overlay_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv)
{
	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
	struct vmw_private *dev_priv = vmw_priv(dev);
	struct vmw_overlay *overlay = dev_priv->overlay_priv;
	struct drm_vmw_control_stream_arg *arg =
	    (struct drm_vmw_control_stream_arg *)data;
	struct vmw_dma_buffer *buf;
	struct vmw_resource *res;
	int ret;

	if (!vmw_overlay_available(dev_priv))
		return -ENOSYS;

	ret = vmw_user_stream_lookup(dev_priv, tfile, &arg->stream_id, &res);
	if (ret)
		return ret;

	mutex_lock(&overlay->mutex);

	if (!arg->enabled) {
		ret = vmw_overlay_stop(dev_priv, arg->stream_id, false, true);
		goto out_unlock;
	}

	ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf, NULL);
	if (ret)
		goto out_unlock;

	ret = vmw_overlay_update_stream(dev_priv, buf, arg, true);

	vmw_dmabuf_unreference(&buf);

out_unlock:
	mutex_unlock(&overlay->mutex);
	vmw_resource_unreference(&res);

	return ret;
}
Exemple #2
0
int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
			   uint32_t handle, uint32_t width, uint32_t height)
{
	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
	struct vmw_surface *surface = NULL;
	struct vmw_dma_buffer *dmabuf = NULL;
	int ret;

	if (handle) {
		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
						     handle, &surface);
		if (!ret) {
			if (!surface->snooper.image) {
				DRM_ERROR("surface not suitable for cursor\n");
				return -EINVAL;
			}
		} else {
			ret = vmw_user_dmabuf_lookup(tfile,
						     handle, &dmabuf);
			if (ret) {
				DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
				return -EINVAL;
			}
		}
	}

	/* takedown old cursor */
	if (du->cursor_surface) {
		du->cursor_surface->snooper.crtc = NULL;
		vmw_surface_unreference(&du->cursor_surface);
	}
	if (du->cursor_dmabuf)
		vmw_dmabuf_unreference(&du->cursor_dmabuf);

	/* setup new image */
	if (surface) {
		/* vmw_user_surface_lookup takes one reference */
		du->cursor_surface = surface;

		du->cursor_surface->snooper.crtc = crtc;
		du->cursor_age = du->cursor_surface->snooper.age;
		vmw_cursor_update_image(dev_priv, surface->snooper.image,
					64, 64, du->hotspot_x, du->hotspot_y);
	} else if (dmabuf) {
		struct ttm_bo_kmap_obj map;
		unsigned long kmap_offset;
		unsigned long kmap_num;
		void *virtual;
		bool dummy;

		/* vmw_user_surface_lookup takes one reference */
		du->cursor_dmabuf = dmabuf;

		kmap_offset = 0;
		kmap_num = (64*64*4) >> PAGE_SHIFT;

		ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
		if (unlikely(ret != 0)) {
			DRM_ERROR("reserve failed\n");
			return -EINVAL;
		}

		ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
		if (unlikely(ret != 0))
			goto err_unreserve;

		virtual = ttm_kmap_obj_virtual(&map, &dummy);
		vmw_cursor_update_image(dev_priv, virtual, 64, 64,
					du->hotspot_x, du->hotspot_y);

		ttm_bo_kunmap(&map);
err_unreserve:
		ttm_bo_unreserve(&dmabuf->base);

	} else {