[PATCH 09/10] drm/panel: p079zca: Remove enabled/prepared state

[Sean Paul]

They're not necessary for atomic drivers, and drm_panel will
WARN if the calls are unbalanced

Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/panel/panel-innolux-p079zca.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index 6ba93449fcfb..38b19c8de9e1 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -27,9 +27,6 @@ struct innolux_panel {
 	struct backlight_device *backlight;
 	struct regulator *supply;
 	struct gpio_desc *enable_gpio;
-
-	bool prepared;
-	bool enabled;
 };
 
 static inline struct innolux_panel *to_innolux_panel(struct drm_panel *panel)
@@ -42,9 +39,6 @@ static int innolux_panel_disable(struct drm_panel *panel)
 	struct innolux_panel *innolux = to_innolux_panel(panel);
 	int err;
 
-	if (!innolux->enabled)
-		return 0;
-
 	innolux->backlight->props.power = FB_BLANK_POWERDOWN;
 	backlight_update_status(innolux->backlight);
 
@@ -53,8 +47,6 @@ static int innolux_panel_disable(struct drm_panel *panel)
 		DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
 			      err);
 
-	innolux->enabled = false;
-
 	return 0;
 }
 
@@ -63,9 +55,6 @@ static int innolux_panel_unprepare(struct drm_panel *panel)
 	struct innolux_panel *innolux = to_innolux_panel(panel);
 	int err;
 
-	if (!innolux->prepared)
-		return 0;
-
 	err = mipi_dsi_dcs_enter_sleep_mode(innolux->link);
 	if (err < 0) {
 		DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
@@ -82,8 +71,6 @@ static int innolux_panel_unprepare(struct drm_panel *panel)
 	if (err < 0)
 		return err;
 
-	innolux->prepared = false;
-
 	return 0;
 }
 
@@ -92,9 +79,6 @@ static int innolux_panel_prepare(struct drm_panel *panel)
 	struct innolux_panel *innolux = to_innolux_panel(panel);
 	int err, regulator_err;
 
-	if (innolux->prepared)
-		return 0;
-
 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);
 
 	err = regulator_enable(innolux->supply);
@@ -129,8 +113,6 @@ static int innolux_panel_prepare(struct drm_panel *panel)
 	/* T7: 5ms */
 	usleep_range(5000, 6000);
 
-	innolux->prepared = true;
-
 	return 0;
 
 poweroff:
@@ -148,9 +130,6 @@ static int innolux_panel_enable(struct drm_panel *panel)
 	struct innolux_panel *innolux = to_innolux_panel(panel);
 	int ret;
 
-	if (innolux->enabled)
-		return 0;
-
 	innolux->backlight->props.power = FB_BLANK_UNBLANK;
 	ret = backlight_update_status(innolux->backlight);
 	if (ret) {
@@ -159,8 +138,6 @@ static int innolux_panel_enable(struct drm_panel *panel)
 		return ret;
 	}
 
-	innolux->enabled = true;
-
 	return 0;
 }
 
-- 
2.14.1.821.g8fa685d3b7-goog