Display: fix bugs when resume panel

1.Fix get wrong panel informations
2.Fix fail to wait for phy clk lane stop state

Change-Id: I19fea947fe100dfb8f5cbacde35e8bc218e52fb5
Signed-off-by: xubilv <xbl@rock-chips.com>

Author: xubilv

drivers/gpu/drm/rockchip/dw-mipi-dsi.c

@@ -416,8 +416,6 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 		return testdin;
 	}
 
-	dsi_write(dsi, DSI_PWR_UP, POWERUP);
-
 	if (!IS_ERR(dsi->phy_cfg_clk)) {
 		ret = clk_prepare_enable(dsi->phy_cfg_clk);
 		if (ret) {
@@ -465,7 +463,6 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK |
 				     PHY_UNRSTZ | PHY_UNSHUTDOWNZ);
 
-
 	ret = readx_poll_timeout(readl, dsi->base + DSI_PHY_STATUS,
 				 val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US);
 	if (ret < 0) {
@@ -480,6 +477,8 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 		dev_err(dsi->dev,
 			"failed to wait for phy clk lane stop state\n");
 
+	dsi_write(dsi, DSI_LPCLK_CTRL, PHY_TXREQUESTCLKHS);
+
 phy_init_end:
 	if (!IS_ERR(dsi->phy_cfg_clk))
 		clk_disable_unprepare(dsi->phy_cfg_clk);
@@ -724,9 +723,9 @@ static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)
 	dsi_write(dsi, DSI_PWR_UP, RESET);
 	dsi_write(dsi, DSI_PHY_RSTZ, PHY_DISFORCEPLL | PHY_DISABLECLK
 		  | PHY_RSTZ | PHY_SHUTDOWNZ);
+	dsi_write(dsi, DSI_PWR_UP, POWERUP);
 	dsi_write(dsi, DSI_CLKMGR_CFG, TO_CLK_DIVIDSION(10) |
 		  TX_ESC_CLK_DIVIDSION(7));
-	dsi_write(dsi, DSI_LPCLK_CTRL, PHY_TXREQUESTCLKHS);
 }
 
 static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,
@@ -864,7 +863,7 @@ static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder,
 	if (dsi->dpms_mode == DRM_MODE_DPMS_ON)
 		return;
 
-	dsi->mode = adjusted_mode;
+	drm_mode_copy(dsi->mode, adjusted_mode);
 
 	ret = dw_mipi_dsi_get_lane_bps(dsi);
 	if (ret < 0)
@@ -1254,6 +1253,9 @@ static int dw_mipi_dsi_probe(struct platform_device *pdev)
 	dsi->pdata = pdata;
 	dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;
 	dsi->dsi_host.dev = &pdev->dev;
+	dsi->mode = devm_kzalloc(&pdev->dev, sizeof(struct drm_display_mode), GFP_KERNEL);
+	if (!dsi)
+		return -ENOMEM;
 
 	ret = mipi_dsi_host_register(&dsi->dsi_host);
 	if (ret)