Example #1
0
static int mdp3_ctrl_reset(struct msm_fb_data_type *mfd)
{
	int rc = 0;
	struct mdp3_session_data *mdp3_session;
	struct mdp3_dma *mdp3_dma;
	struct mdss_panel_data *panel;
	struct mdp3_notification vsync_client;

	pr_debug("mdp3_ctrl_reset\n");
	mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1;
	if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma ||
		!mdp3_session->intf) {
		pr_err("mdp3_ctrl_reset no device");
		return -ENODEV;
	}

	if (mfd->panel.type == MIPI_CMD_PANEL) {
		rc = mdp3_ctrl_reset_cmd(mfd);
		return rc;
	}

	panel = mdp3_session->panel;
	mdp3_dma = mdp3_session->dma;
	mutex_lock(&mdp3_session->lock);

	vsync_client = mdp3_dma->vsync_client;
	if (panel && panel->set_backlight)
		panel->set_backlight(panel, 0);

	rc = panel->event_handler(panel, MDSS_EVENT_PANEL_OFF, NULL);
	if (rc)
		pr_err("fail to turn off panel\n");

	rc = mdp3_dma->stop(mdp3_dma, mdp3_session->intf);
	if (rc) {
		pr_err("fail to stop the MDP3 dma %d\n", rc);
		goto reset_error;
	}

	rc = mdp3_put_mdp_dsi_clk();
	if (rc) {
		pr_err("fail to release mdp clocks\n");
		goto reset_error;
	}

	rc = panel->event_handler(panel, MDSS_EVENT_BLANK, NULL);
	if (rc) {
		pr_err("fail to blank the panel\n");
		goto reset_error;
	}

	rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P);
	if (rc) {
		pr_err("fail to attach dma iommu\n");
		goto reset_error;
	}

	rc = panel->event_handler(panel, MDSS_EVENT_UNBLANK, NULL);
	if (rc) {
		pr_err("fail to unblank the panel\n");
		goto reset_error;
	}

	rc = panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL);
	if (rc) {
		pr_err("fail to turn on the panel\n");
		goto reset_error;
	}

	rc = mdp3_get_mdp_dsi_clk();
	if (rc) {
		pr_err("fail to turn on mdp clks\n");
		goto reset_error;
	}

	mdp3_ctrl_intf_init(mfd, mdp3_session->intf);
	mdp3_ctrl_dma_init(mfd, mdp3_dma);

	if (vsync_client.handler)
		mdp3_dma->vsync_enable(mdp3_dma, &vsync_client);

	mdp3_session->first_commit = true;
	mdp3_session->in_splash_screen = 0;

reset_error:
	mutex_unlock(&mdp3_session->lock);
	return rc;
}
Example #2
0
static int mdp3_ctrl_reset(struct msm_fb_data_type *mfd)
{
	int rc = 0;
	struct mdp3_session_data *mdp3_session;
	struct mdp3_dma *mdp3_dma;
	struct mdss_panel_data *panel;
	struct mdp3_notification vsync_client;
	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;

	pr_debug("mdp3_ctrl_reset\n");
	mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1;
	if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma ||
		!mdp3_session->intf) {
		pr_err("mdp3_ctrl_reset no device");
		return -ENODEV;
	}

	if (mfd->panel.type == MIPI_CMD_PANEL) {
		rc = mdp3_ctrl_reset_cmd(mfd);
		return rc;
	}

	panel = mdp3_session->panel;
	mdp3_dma = mdp3_session->dma;
	mutex_lock(&mdp3_session->lock);
	mutex_lock(&mdp3_session->offlock);

	vsync_client = mdp3_dma->vsync_client;

	rc = mdp3_dma->stop(mdp3_dma, mdp3_session->intf);
	if (rc) {
		pr_err("fail to stop the MDP3 dma\n");
		goto reset_error;
	}

	rc = mdp3_put_mdp_dsi_clk();
	if (rc) {
		pr_err("fail to release mdp clocks\n");
		goto reset_error;
	}

	rc = panel->event_handler(panel, MDSS_EVENT_BLANK, NULL);
	if (rc) {
		pr_err("fail to blank the panel\n");
		goto reset_error;
	}

	rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P);
	if (rc) {
		pr_err("fail to attach dma iommu\n");
		goto reset_error;
	}

	rc = panel->event_handler(panel, MDSS_EVENT_UNBLANK, NULL);
	if (rc) {
		pr_err("fail to unblank the panel\n");
		goto reset_error;
	}

	rc = mdp3_get_mdp_dsi_clk();
	if (rc) {
		pr_err("fail to turn on mdp clks\n");
		goto reset_error;
	}

	mdp3_ctrl_intf_init(mfd, mdp3_session->intf);
	mdp3_ctrl_dma_init(mfd, mdp3_dma);

	if (vsync_client.handler)
		mdp3_dma->vsync_enable(mdp3_dma, &vsync_client);

	ctrl_pdata = container_of(panel, struct mdss_dsi_ctrl_pdata,
			panel_data);
	if (ctrl_pdata && ctrl_pdata->cont_splash_on)
		ctrl_pdata->cont_splash_on(panel);

	panel->panel_info.cont_splash_esd_rdy = true;

reset_error:
	mutex_unlock(&mdp3_session->offlock);
	mutex_unlock(&mdp3_session->lock);
	return rc;
}