[PATCH v3 12/12] drm/panel: ls043t1le01: 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>
---
No changes since v1

 drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 3aeb0bda4947..8d7843248556 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -39,9 +39,6 @@ struct sharp_nt_panel {
 	struct regulator *supply;
 	struct gpio_desc *reset_gpio;
 
-	bool prepared;
-	bool enabled;
-
 	const struct drm_display_mode *mode;
 };
 
@@ -114,16 +111,11 @@ static int sharp_nt_panel_disable(struct drm_panel *panel)
 {
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 
-	if (!sharp_nt->enabled)
-		return 0;
-
 	if (sharp_nt->backlight) {
 		sharp_nt->backlight->props.power = FB_BLANK_POWERDOWN;
 		backlight_update_status(sharp_nt->backlight);
 	}
 
-	sharp_nt->enabled = false;
-
 	return 0;
 }
 
@@ -132,9 +124,6 @@ static int sharp_nt_panel_unprepare(struct drm_panel *panel)
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 	int ret;
 
-	if (!sharp_nt->prepared)
-		return 0;
-
 	ret = sharp_nt_panel_off(sharp_nt);
 	if (ret < 0) {
 		dev_err(panel->dev, "failed to set panel off: %d\n", ret);
@@ -145,8 +134,6 @@ static int sharp_nt_panel_unprepare(struct drm_panel *panel)
 	if (sharp_nt->reset_gpio)
 		gpiod_set_value(sharp_nt->reset_gpio, 0);
 
-	sharp_nt->prepared = false;
-
 	return 0;
 }
 
@@ -155,9 +142,6 @@ static int sharp_nt_panel_prepare(struct drm_panel *panel)
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 	int ret;
 
-	if (sharp_nt->prepared)
-		return 0;
-
 	ret = regulator_enable(sharp_nt->supply);
 	if (ret < 0)
 		return ret;
@@ -185,8 +169,6 @@ static int sharp_nt_panel_prepare(struct drm_panel *panel)
 		goto poweroff;
 	}
 
-	sharp_nt->prepared = true;
-
 	return 0;
 
 poweroff:
@@ -200,16 +182,11 @@ static int sharp_nt_panel_enable(struct drm_panel *panel)
 {
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 
-	if (sharp_nt->enabled)
-		return 0;
-
 	if (sharp_nt->backlight) {
 		sharp_nt->backlight->props.power = FB_BLANK_UNBLANK;
 		backlight_update_status(sharp_nt->backlight);
 	}
 
-	sharp_nt->enabled = true;
-
 	return 0;
 }
 
-- 
2.15.0.rc1.287.g2b38de12cc-goog