コード例 #1
0
ファイル: mdp4_crtc.c プロジェクト: Ambrosia/whatever
/* initialize crtc */
struct drm_crtc *mdp4_crtc_init(struct drm_device *dev,
		struct drm_plane *plane, int id, int ovlp_id,
		enum mdp4_dma dma_id)
{
	struct drm_crtc *crtc = NULL;
	struct mdp4_crtc *mdp4_crtc;
	int ret;

	mdp4_crtc = kzalloc(sizeof(*mdp4_crtc), GFP_KERNEL);
	if (!mdp4_crtc) {
		ret = -ENOMEM;
		goto fail;
	}

	crtc = &mdp4_crtc->base;

	mdp4_crtc->plane = plane;
	mdp4_crtc->id = id;

	mdp4_crtc->ovlp = ovlp_id;
	mdp4_crtc->dma = dma_id;

	mdp4_crtc->vblank.irqmask = dma2irq(mdp4_crtc->dma);
	mdp4_crtc->vblank.irq = mdp4_crtc_vblank_irq;

	mdp4_crtc->err.irqmask = dma2err(mdp4_crtc->dma);
	mdp4_crtc->err.irq = mdp4_crtc_err_irq;

	snprintf(mdp4_crtc->name, sizeof(mdp4_crtc->name), "%s:%d",
			dma_names[dma_id], ovlp_id);

	spin_lock_init(&mdp4_crtc->cursor.lock);

	ret = drm_flip_work_init(&mdp4_crtc->unref_fb_work, 16,
			"unref fb", unref_fb_worker);
	if (ret)
		goto fail;

	ret = drm_flip_work_init(&mdp4_crtc->unref_cursor_work, 64,
			"unref cursor", unref_cursor_worker);

	INIT_FENCE_CB(&mdp4_crtc->pageflip_cb, pageflip_cb);

	drm_crtc_init_with_planes(dev, crtc, plane, NULL, &mdp4_crtc_funcs);
	drm_crtc_helper_add(crtc, &mdp4_crtc_helper_funcs);

	mdp4_plane_install_properties(mdp4_crtc->plane, &crtc->base);

	return crtc;

fail:
	if (crtc)
		mdp4_crtc_destroy(crtc);

	return ERR_PTR(ret);
}
コード例 #2
0
ファイル: msm_atomic.c プロジェクト: vmayoral/ubuntu-vivid
static struct msm_commit *new_commit(struct drm_atomic_state *state)
{
	struct msm_commit *c = kzalloc(sizeof(*c), GFP_KERNEL);

	if (!c)
		return NULL;

	c->state = state;
	/* TODO we might need a way to indicate to run the cb on a
	 * different wq so wait_for_vblanks() doesn't block retiring
	 * bo's..
	 */
	INIT_FENCE_CB(&c->fence_cb, fence_cb);

	return c;
}