drm/pl111: Drop special pads config check

This drops the check of the surplus "pads" configuration
from the device tree that is completely unused in the DRM
driver.

This was only used to work around limitations in the earlier
fbdev driver.

Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190724134959.2365-2-linus.walleij@linaro.org

drivers/gpu/drm/pl111/pl111_display.c

@@ -549,24 +549,8 @@ int pl111_display_init(struct drm_device *drm)
 {
 	struct pl111_drm_dev_private *priv = drm->dev_private;
 	struct device *dev = drm->dev;
-	struct device_node *endpoint;
-	u32 tft_r0b0g0[3];
 	int ret;
 
-	endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
-	if (!endpoint)
-		return -ENODEV;
-
-	if (of_property_read_u32_array(endpoint,
-				       "arm,pl11x,tft-r0g0b0-pads",
-				       tft_r0b0g0,
-				       ARRAY_SIZE(tft_r0b0g0)) != 0) {
-		dev_err(dev, "arm,pl11x,tft-r0g0b0-pads should be 3 ints\n");
-		of_node_put(endpoint);
-		return -ENOENT;
-	}
-	of_node_put(endpoint);
-
 	ret = pl111_init_clock_divider(drm);
 	if (ret)
 		return ret;