drm/msm/dsi: do not enable PHYs when called for the slave DSI interface

Move the call to dsi_mgr_phy_enable after checking whether the DSI
interface is slave, so that PHY enablement happens together with the
host enablement.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210609211211.2561090-1-dmitry.baryshkov@linaro.orgSigned-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/dsi/dsi_manager.c

@@ -373,14 +373,14 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
 	if (!msm_dsi_device_connected(msm_dsi))
 		return;
 
-	ret = dsi_mgr_phy_enable(id, phy_shared_timings);
-	if (ret)
-		goto phy_en_fail;
-
 	/* Do nothing with the host if it is slave-DSI in case of dual DSI */
 	if (is_dual_dsi && !IS_MASTER_DSI_LINK(id))
 		return;
 
+	ret = dsi_mgr_phy_enable(id, phy_shared_timings);
+	if (ret)
+		goto phy_en_fail;
+
 	ret = msm_dsi_host_power_on(host, &phy_shared_timings[id], is_dual_dsi);
 	if (ret) {
 		pr_err("%s: power on host %d failed, %d\n", __func__, id, ret);