From 813cf104c571bf54e155d6be247c32a8f6aa3e2e Mon Sep 17 00:00:00 2001
From: Fancy Fang <chen.fang@nxp.com>
Date: Wed, 6 Jun 2018 23:20:43 +0800
Subject: [PATCH] MLK-18535-6 drm/imx: core: add LCDIF support

Allows the LCDIF to be one of the supported client
components. And set the 'legacyfb_depth' of LCDIF
to be 32.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 
 #include <video/imx-ipu-v3.h>
+#include <video/imx-lcdif.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
@@ -188,6 +189,18 @@ static int compare_of(struct device *dev
 		struct dpu_client_platformdata *pdata = dev->platform_data;
 
 		return pdata->of_node == np;
+	} else if (strcmp(dev->driver->name, "imx-lcdif-crtc") == 0) {
+		struct lcdif_client_platformdata *pdata = dev->platform_data;
+#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION)
+		/* set legacyfb_depth to be 32 for lcdif, since
+		 * default format of the connectors attached to
+		 * lcdif is usually RGB888
+		 */
+		if (pdata->of_node == np)
+			legacyfb_depth = 32;
+#endif
+
+		return pdata->of_node == np;
 	}
 
 	/* Special case for LDB, one device for two channels */