6 files changed, 18 insertions, 6 deletions

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 5dd3c7d031d..4de3fb4246f 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -384,10 +384,6 @@ static int tilcdc_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
-static void tilcdc_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static const struct drm_crtc_funcs tilcdc_crtc_funcs = {
 		.destroy        = tilcdc_crtc_destroy,
 		.set_config     = drm_crtc_helper_set_config,
@@ -401,7 +397,6 @@ static const struct drm_crtc_helper_funcs tilcdc_crtc_helper_funcs = {
 		.commit         = tilcdc_crtc_commit,
 		.mode_set       = tilcdc_crtc_mode_set,
 		.mode_set_base  = tilcdc_crtc_mode_set_base,
-		.load_lut       = tilcdc_crtc_load_lut,
 };
 
 int tilcdc_crtc_max_width(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 2b5461bcd9f..f2a6528ddef 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -157,7 +157,9 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	struct platform_device *pdev = dev->platformdev;
 	struct device_node *node = pdev->dev.of_node;
 	struct tilcdc_drm_private *priv;
+	struct tilcdc_module *mod;
 	struct resource *res;
+	u32 bpp = 0;
 	int ret;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -256,7 +258,15 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 
 	platform_set_drvdata(pdev, dev);
 
-	priv->fbdev = drm_fbdev_cma_init(dev, 16,
+
+	list_for_each_entry(mod, &module_list, list) {
+		DBG("%s: preferred_bpp: %d", mod->name, mod->preferred_bpp);
+		bpp = mod->preferred_bpp;
+		if (bpp > 0)
+			break;
+	}
+
+	priv->fbdev = drm_fbdev_cma_init(dev, bpp,
 			dev->mode_config.num_crtc,
 			dev->mode_config.num_connector);
 
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
index 8242b5a4307..090684341fd 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
@@ -89,6 +89,7 @@ struct tilcdc_module {
 	const char *name;
 	struct list_head list;
 	const struct tilcdc_module_ops *funcs;
+	unsigned int preferred_bpp;
 };
 
 void tilcdc_module_init(struct tilcdc_module *mod, const char *name,
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 09176654fdd..86c67329b60 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -393,6 +393,8 @@ static int panel_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	mod->preferred_bpp = panel_mod->info->bpp;
+
 	panel_mod->backlight = of_find_backlight_by_node(node);
 	if (panel_mod->backlight)
 		dev_info(&pdev->dev, "found backlight\n");
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.c b/drivers/gpu/drm/tilcdc/tilcdc_slave.c
index db1d2fc9dfb..8bf4fd19181 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_slave.c
@@ -323,6 +323,8 @@ static int slave_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	mod->preferred_bpp = slave_info.bpp;
+
 	i2c_node = of_find_node_by_phandle(i2c_phandle);
 	if (!i2c_node) {
 		dev_err(&pdev->dev, "could not get i2c bus node\n");
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
index a36788fbcd9..925c7cddeff 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
@@ -354,6 +354,8 @@ static int tfp410_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	mod->preferred_bpp = dvi_info.bpp;
+
 	i2c_node = of_find_node_by_phandle(i2c_phandle);
 	if (!i2c_node) {
 		dev_err(&pdev->dev, "could not get i2c bus node\n");