[PATCH v1 17/22] drm/tilcdc: Backlight update

[Sam Ravnborg]

Avoid using direct access to backlight_properties by introducing
set methods for power.

Dropped extra check as both set methods and backlight_update_status()
both accepts a NULL backlight device.

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
Cc: Rob Clark <robdclark at gmail.com>
Cc: Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>
Cc: Jyri Sarha <jsarha at ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_panel.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 12823d60c4e8..54824999720b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -47,11 +47,12 @@ static void panel_encoder_dpms(struct drm_encoder *encoder, int mode)
 	struct backlight_device *backlight = panel_encoder->mod->backlight;
 	struct gpio_desc *gpio = panel_encoder->mod->enable_gpio;
 
-	if (backlight) {
-		backlight->props.power = mode == DRM_MODE_DPMS_ON ?
-					 FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
-		backlight_update_status(backlight);
-	}
+	if (pmode == DRM_MODE_DPMS_O)
+		backlight_set_power_on(backlight);
+	else
+		backlight_set_power_off(backlight);
+
+	backlight_update_status(backlight);
 
 	if (gpio)
 		gpiod_set_value_cansleep(gpio,
-- 
2.25.1