Пример #1
0
static int modeset_init(struct mdp4_kms *mdp4_kms)
{
	struct drm_device *dev = mdp4_kms->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct drm_plane *plane;
	struct drm_crtc *crtc;
	int i, ret;
	static const enum mdp4_pipe rgb_planes[] = {
		RGB1, RGB2,
	};
	static const enum mdp4_pipe vg_planes[] = {
		VG1, VG2,
	};
	static const enum mdp4_dma mdp4_crtcs[] = {
		DMA_P, DMA_E,
	};
	static const char * const mdp4_crtc_names[] = {
		"DMA_P", "DMA_E",
	};
	static const int mdp4_intfs[] = {
		DRM_MODE_ENCODER_LVDS,
		DRM_MODE_ENCODER_DSI,
		DRM_MODE_ENCODER_TMDS,
	};

	/* construct non-private planes: */
	for (i = 0; i < ARRAY_SIZE(vg_planes); i++) {
		plane = mdp4_plane_init(dev, vg_planes[i], false);
		if (IS_ERR(plane)) {
			dev_err(dev->dev,
				"failed to construct plane for VG%d\n", i + 1);
			ret = PTR_ERR(plane);
			goto fail;
		}
		priv->planes[priv->num_planes++] = plane;
	}

	for (i = 0; i < ARRAY_SIZE(mdp4_crtcs); i++) {
		plane = mdp4_plane_init(dev, rgb_planes[i], true);
		if (IS_ERR(plane)) {
			dev_err(dev->dev,
				"failed to construct plane for RGB%d\n", i + 1);
			ret = PTR_ERR(plane);
			goto fail;
		}

		crtc  = mdp4_crtc_init(dev, plane, priv->num_crtcs, i,
				mdp4_crtcs[i]);
		if (IS_ERR(crtc)) {
			dev_err(dev->dev, "failed to construct crtc for %s\n",
				mdp4_crtc_names[i]);
			ret = PTR_ERR(crtc);
			goto fail;
		}

		priv->crtcs[priv->num_crtcs++] = crtc;
	}

	/*
	 * we currently set up two relatively fixed paths:
	 *
	 * LCDC/LVDS path: RGB1 -> DMA_P -> LCDC -> LVDS
	 *			or
	 * DSI path: RGB1 -> DMA_P -> DSI1 -> DSI Panel
	 *
	 * DTV/HDMI path: RGB2 -> DMA_E -> DTV -> HDMI
	 */

	for (i = 0; i < ARRAY_SIZE(mdp4_intfs); i++) {
		ret = mdp4_modeset_init_intf(mdp4_kms, mdp4_intfs[i]);
		if (ret) {
			dev_err(dev->dev, "failed to initialize intf: %d, %d\n",
				i, ret);
			goto fail;
		}
	}

	return 0;

fail:
	return ret;
}
Пример #2
0
static int modeset_init(struct mdp4_kms *mdp4_kms)
{
	struct drm_device *dev = mdp4_kms->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct drm_plane *plane;
	struct drm_crtc *crtc;
	struct drm_encoder *encoder;
	struct hdmi *hdmi;
	int ret;

	/*
	 *  NOTE: this is a bit simplistic until we add support
	 * for more than just RGB1->DMA_E->DTV->HDMI
	 */

	/* construct non-private planes: */
	plane = mdp4_plane_init(dev, VG1, false);
	if (IS_ERR(plane)) {
		dev_err(dev->dev, "failed to construct plane for VG1\n");
		ret = PTR_ERR(plane);
		goto fail;
	}
	priv->planes[priv->num_planes++] = plane;

	plane = mdp4_plane_init(dev, VG2, false);
	if (IS_ERR(plane)) {
		dev_err(dev->dev, "failed to construct plane for VG2\n");
		ret = PTR_ERR(plane);
		goto fail;
	}
	priv->planes[priv->num_planes++] = plane;

	/* the CRTCs get constructed with a private plane: */
	plane = mdp4_plane_init(dev, RGB1, true);
	if (IS_ERR(plane)) {
		dev_err(dev->dev, "failed to construct plane for RGB1\n");
		ret = PTR_ERR(plane);
		goto fail;
	}

	crtc  = mdp4_crtc_init(dev, plane, priv->num_crtcs, 1, DMA_E);
	if (IS_ERR(crtc)) {
		dev_err(dev->dev, "failed to construct crtc for DMA_E\n");
		ret = PTR_ERR(crtc);
		goto fail;
	}
	priv->crtcs[priv->num_crtcs++] = crtc;

	encoder = mdp4_dtv_encoder_init(dev);
	if (IS_ERR(encoder)) {
		dev_err(dev->dev, "failed to construct DTV encoder\n");
		ret = PTR_ERR(encoder);
		goto fail;
	}
	encoder->possible_crtcs = 0x1;     /* DTV can be hooked to DMA_E */
	priv->encoders[priv->num_encoders++] = encoder;

	hdmi = hdmi_init(dev, encoder);
	if (IS_ERR(hdmi)) {
		ret = PTR_ERR(hdmi);
		dev_err(dev->dev, "failed to initialize HDMI: %d\n", ret);
		goto fail;
	}

	return 0;

fail:
	return ret;
}