1 files changed, 14 insertions, 65 deletions

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index f69a125f9559..6b3ced4aaaf5 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1586,6 +1586,10 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
 	if (ret)
 		return ret;
 
+	ret = dsi_dev_attach(msm_host->pdev);
+	if (ret)
+		return ret;
+
 	DBG("id=%d", msm_host->id);
 	if (msm_host->dev)
 		queue_work(msm_host->workqueue, &msm_host->hpd_work);
@@ -1598,6 +1602,8 @@ static int dsi_host_detach(struct mipi_dsi_host *host,
 {
 	struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
 
+	dsi_dev_detach(msm_host->pdev);
+
 	msm_host->device_node = NULL;
 
 	DBG("id=%d", msm_host->id);
@@ -1658,6 +1664,8 @@ static int dsi_host_parse_lane_data(struct msm_dsi_host *msm_host,
 	if (!prop) {
 		DRM_DEV_DEBUG(dev,
 			"failed to find data lane mapping, using default\n");
+		/* Set the number of date lanes to 4 by default. */
+		msm_host->num_data_lanes = 4;
 		return 0;
 	}
 
@@ -1931,7 +1939,7 @@ int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
 	return 0;
 }
 
-int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer)
+int msm_dsi_host_register(struct mipi_dsi_host *host)
 {
 	struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
 	int ret;
@@ -1945,20 +1953,6 @@ int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer)
 			return ret;
 
 		msm_host->registered = true;
-
-		/* If the panel driver has not been probed after host register,
-		 * we should defer the host's probe.
-		 * It makes sure panel is connected when fbcon detects
-		 * connector status and gets the proper display mode to
-		 * create framebuffer.
-		 * Don't try to defer if there is nothing connected to the dsi
-		 * output
-		 */
-		if (check_defer && msm_host->device_node) {
-			if (IS_ERR(of_drm_find_panel(msm_host->device_node)))
-				if (!of_drm_find_bridge(msm_host->device_node))
-					return -EPROBE_DEFER;
-		}
 	}
 
 	return 0;
@@ -2026,7 +2020,7 @@ void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
 	/* TODO: unvote for bus bandwidth */
 
 	cfg_hnd->ops->link_clk_disable(msm_host);
-	pm_runtime_put_autosuspend(&msm_host->pdev->dev);
+	pm_runtime_put(&msm_host->pdev->dev);
 }
 
 int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
@@ -2185,57 +2179,12 @@ void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, u32 dma_base,
 	wmb();
 }
 
-int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
+void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host,
 	struct msm_dsi_phy *src_phy)
 {
 	struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
-	struct clk *byte_clk_provider, *pixel_clk_provider;
-	int ret;
 
 	msm_host->cphy_mode = src_phy->cphy_mode;
-
-	ret = msm_dsi_phy_get_clk_provider(src_phy,
-				&byte_clk_provider, &pixel_clk_provider);
-	if (ret) {
-		pr_info("%s: can't get provider from pll, don't set parent\n",
-			__func__);
-		return 0;
-	}
-
-	ret = clk_set_parent(msm_host->byte_clk_src, byte_clk_provider);
-	if (ret) {
-		pr_err("%s: can't set parent to byte_clk_src. ret=%d\n",
-			__func__, ret);
-		goto exit;
-	}
-
-	ret = clk_set_parent(msm_host->pixel_clk_src, pixel_clk_provider);
-	if (ret) {
-		pr_err("%s: can't set parent to pixel_clk_src. ret=%d\n",
-			__func__, ret);
-		goto exit;
-	}
-
-	if (msm_host->dsi_clk_src) {
-		ret = clk_set_parent(msm_host->dsi_clk_src, pixel_clk_provider);
-		if (ret) {
-			pr_err("%s: can't set parent to dsi_clk_src. ret=%d\n",
-				__func__, ret);
-			goto exit;
-		}
-	}
-
-	if (msm_host->esc_clk_src) {
-		ret = clk_set_parent(msm_host->esc_clk_src, byte_clk_provider);
-		if (ret) {
-			pr_err("%s: can't set parent to esc_clk_src. ret=%d\n",
-				__func__, ret);
-			goto exit;
-		}
-	}
-
-exit:
-	return ret;
 }
 
 void msm_dsi_host_reset_phy(struct mipi_dsi_host *host)
@@ -2303,7 +2252,7 @@ int msm_dsi_host_enable(struct mipi_dsi_host *host)
 	 */
 	/* if (msm_panel->mode == MSM_DSI_CMD_MODE) {
 	 *	dsi_link_clk_disable(msm_host);
-	 *	pm_runtime_put_autosuspend(&msm_host->pdev->dev);
+	 *	pm_runtime_put(&msm_host->pdev->dev);
 	 * }
 	 */
 	msm_host->enabled = true;
@@ -2395,7 +2344,7 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host,
 
 fail_disable_clk:
 	cfg_hnd->ops->link_clk_disable(msm_host);
-	pm_runtime_put_autosuspend(&msm_host->pdev->dev);
+	pm_runtime_put(&msm_host->pdev->dev);
 fail_disable_reg:
 	dsi_host_regulator_disable(msm_host);
 unlock_ret:
@@ -2422,7 +2371,7 @@ int msm_dsi_host_power_off(struct mipi_dsi_host *host)
 	pinctrl_pm_select_sleep_state(&msm_host->pdev->dev);
 
 	cfg_hnd->ops->link_clk_disable(msm_host);
-	pm_runtime_put_autosuspend(&msm_host->pdev->dev);
+	pm_runtime_put(&msm_host->pdev->dev);
 
 	dsi_host_regulator_disable(msm_host);