C++ (Cpp) get_dsi_id_from_intf Examples

Example #1

File: mdp5_kms.c Project: JamesChenFromChina/linux

static int modeset_init_intf(struct mdp5_kms *mdp5_kms,
			     struct mdp5_interface *intf)
{
	struct drm_device *dev = mdp5_kms->dev;
	struct msm_drm_private *priv = dev->dev_private;
	struct mdp5_ctl_manager *ctlm = mdp5_kms->ctlm;
	struct mdp5_ctl *ctl;
	struct drm_encoder *encoder;
	int ret = 0;

	switch (intf->type) {
	case INTF_eDP:
		if (!priv->edp)
			break;

		ctl = mdp5_ctlm_request(ctlm, intf->num);
		if (!ctl) {
			ret = -EINVAL;
			break;
		}

		encoder = construct_encoder(mdp5_kms, intf, ctl);
		if (IS_ERR(encoder)) {
			ret = PTR_ERR(encoder);
			break;
		}

		ret = msm_edp_modeset_init(priv->edp, dev, encoder);
		break;
	case INTF_HDMI:
		if (!priv->hdmi)
			break;

		ctl = mdp5_ctlm_request(ctlm, intf->num);
		if (!ctl) {
			ret = -EINVAL;
			break;
		}

		encoder = construct_encoder(mdp5_kms, intf, ctl);
		if (IS_ERR(encoder)) {
			ret = PTR_ERR(encoder);
			break;
		}

		ret = msm_hdmi_modeset_init(priv->hdmi, dev, encoder);
		break;
	case INTF_DSI:
	{
		const struct mdp5_cfg_hw *hw_cfg =
					mdp5_cfg_get_hw_config(mdp5_kms->cfg);
		int dsi_id = get_dsi_id_from_intf(hw_cfg, intf->num);

		if ((dsi_id >= ARRAY_SIZE(priv->dsi)) || (dsi_id < 0)) {
			dev_err(dev->dev, "failed to find dsi from intf %d\n",
				intf->num);
			ret = -EINVAL;
			break;
		}

		if (!priv->dsi[dsi_id])
			break;

		ctl = mdp5_ctlm_request(ctlm, intf->num);
		if (!ctl) {
			ret = -EINVAL;
			break;
		}

		encoder = construct_encoder(mdp5_kms, intf, ctl);
		if (IS_ERR(encoder)) {
			ret = PTR_ERR(encoder);
			break;
		}

		ret = msm_dsi_modeset_init(priv->dsi[dsi_id], dev, encoder);
		break;
	}
	default:
		dev_err(dev->dev, "unknown intf: %d\n", intf->type);
		ret = -EINVAL;
		break;
	}

	return ret;
}

Example #2

File: mdp5_kms.c Project: 19Dan01/linux

static int modeset_init_intf(struct mdp5_kms *mdp5_kms, int intf_num)
{
	struct drm_device *dev = mdp5_kms->dev;
	struct msm_drm_private *priv = dev->dev_private;
	const struct mdp5_cfg_hw *hw_cfg =
					mdp5_cfg_get_hw_config(mdp5_kms->cfg);
	enum mdp5_intf_type intf_type = hw_cfg->intfs[intf_num];
	struct drm_encoder *encoder;
	int ret = 0;

	switch (intf_type) {
	case INTF_DISABLED:
		break;
	case INTF_eDP:
		if (!priv->edp)
			break;

		encoder = construct_encoder(mdp5_kms, INTF_eDP, intf_num,
					MDP5_INTF_MODE_NONE);
		if (IS_ERR(encoder)) {
			ret = PTR_ERR(encoder);
			break;
		}

		ret = msm_edp_modeset_init(priv->edp, dev, encoder);
		break;
	case INTF_HDMI:
		if (!priv->hdmi)
			break;

		encoder = construct_encoder(mdp5_kms, INTF_HDMI, intf_num,
					MDP5_INTF_MODE_NONE);
		if (IS_ERR(encoder)) {
			ret = PTR_ERR(encoder);
			break;
		}

		ret = hdmi_modeset_init(priv->hdmi, dev, encoder);
		break;
	case INTF_DSI:
	{
		int dsi_id = get_dsi_id_from_intf(hw_cfg, intf_num);
		struct drm_encoder *dsi_encs[MSM_DSI_ENCODER_NUM];
		enum mdp5_intf_mode mode;
		int i;

		if ((dsi_id >= ARRAY_SIZE(priv->dsi)) || (dsi_id < 0)) {
			dev_err(dev->dev, "failed to find dsi from intf %d\n",
				intf_num);
			ret = -EINVAL;
			break;
		}

		if (!priv->dsi[dsi_id])
			break;

		for (i = 0; i < MSM_DSI_ENCODER_NUM; i++) {
			mode = (i == MSM_DSI_CMD_ENCODER_ID) ?
				MDP5_INTF_DSI_MODE_COMMAND :
				MDP5_INTF_DSI_MODE_VIDEO;
			dsi_encs[i] = construct_encoder(mdp5_kms, INTF_DSI,
							intf_num, mode);
			if (IS_ERR(dsi_encs)) {
				ret = PTR_ERR(dsi_encs);
				break;
			}
		}

		ret = msm_dsi_modeset_init(priv->dsi[dsi_id], dev, dsi_encs);
		break;
	}
	default:
		dev_err(dev->dev, "unknown intf: %d\n", intf_type);
		ret = -EINVAL;
		break;
	}

	return ret;
}