drm: qxl: Atomic phase 3: Wire up atomic page_flip helper

	kfree(qxl_crtc);

}

static int qxl_crtc_page_flip(struct drm_crtc *crtc,

                              struct drm_framebuffer *fb,

                              struct drm_pending_vblank_event *event,

                              uint32_t page_flip_flags)

{

	struct drm_device *dev = crtc->dev;

	struct qxl_device *qdev = dev->dev_private;

	struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);

	struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);

	struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);

	struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);

	unsigned long flags;

	struct drm_clip_rect norect = {

	    .x1 = 0,

	    .y1 = 0,

	    .x2 = fb->width,

	    .y2 = fb->height

	};

	int inc = 1;

	int one_clip_rect = 1;

	int ret = 0;

	drm_atomic_set_fb_for_plane(crtc->primary->state, fb);

	bo_old->is_primary = false;

	bo->is_primary = true;

	ret = qxl_bo_pin(bo, bo->type, NULL);

	if (ret)

		return ret;

	qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,

			  &norect, one_clip_rect, inc);

	if (event) {

		spin_lock_irqsave(&dev->event_lock, flags);

		drm_crtc_send_vblank_event(crtc, event);

		spin_unlock_irqrestore(&dev->event_lock, flags);

	}

	qxl_bo_unpin(bo);

	return 0;

}

static const struct drm_crtc_funcs qxl_crtc_funcs = {

	.set_config = drm_atomic_helper_set_config,

	.destroy = qxl_crtc_destroy,

	.page_flip = qxl_crtc_page_flip,

	.page_flip = drm_atomic_helper_page_flip,

	.reset = drm_atomic_helper_crtc_reset,

	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,

	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,