drm: tilcdc: don't use devm_pinctrl_get_select_default() in probe

Since commit ab78029ecc34 ("drivers/pinctrl: grab default handles from
device core"), we can rely on device core for setting the default pins.

Signed-off-by: Wolfram Sang <[e-mail]>
Reviewed-by: Geert Uytterhoeven <[e-mail]>
Signed-off-by: Tomi Valkeinen <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/tilcdc/tilcdc_panel.c

···
 
 #include <linux/backlight.h>
 #include <linux/gpio/consumer.h>
-#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 
 #include <video/display_timing.h>
···
 	struct backlight_device *backlight;
 	struct panel_module *panel_mod;
 	struct tilcdc_module *mod;
-	struct pinctrl *pinctrl;
 	int ret;
 
 	/* bail out early if no DT data: */
···
 	pdev->dev.platform_data = mod;
 
 	tilcdc_module_init(mod, "panel", &panel_module_ops);
-
-	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
-	if (IS_ERR(pinctrl))
-		dev_warn(&pdev->dev, "pins are not configured\n");
 
 	panel_mod->timings = of_get_display_timings(node);
 	if (!panel_mod->timings) {