[PATCH v1 3/5] drm/panel: r61307/r69328: remove redundant checks

[Svyatoslav Ryhel]

This is now done by the DRM framework itself.

Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
 drivers/gpu/drm/panel/panel-renesas-r61307.c | 10 ----------
 drivers/gpu/drm/panel/panel-renesas-r69328.c | 10 ----------
 2 files changed, 20 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-renesas-r61307.c b/drivers/gpu/drm/panel/panel-renesas-r61307.c
index 45afa44af114..2cc3bd66d6d4 100644
--- a/drivers/gpu/drm/panel/panel-renesas-r61307.c
+++ b/drivers/gpu/drm/panel/panel-renesas-r61307.c
@@ -35,8 +35,6 @@ struct renesas_r61307 {
 
 	struct gpio_desc *reset_gpio;
 
-	bool prepared;
-
 	bool dig_cont_adj;
 	bool inversion;
 	u32 gamma;
@@ -92,9 +90,6 @@ static int renesas_r61307_prepare(struct drm_panel *panel)
 	struct device *dev = &priv->dsi->dev;
 	int ret;
 
-	if (priv->prepared)
-		return 0;
-
 	ret = regulator_enable(priv->vcc_supply);
 	if (ret) {
 		dev_err(dev, "failed to enable vcc power supply\n");
@@ -113,7 +108,6 @@ static int renesas_r61307_prepare(struct drm_panel *panel)
 
 	renesas_r61307_reset(priv);
 
-	priv->prepared = true;
 	return 0;
 }
 
@@ -175,9 +169,6 @@ static int renesas_r61307_unprepare(struct drm_panel *panel)
 {
 	struct renesas_r61307 *priv = to_renesas_r61307(panel);
 
-	if (!priv->prepared)
-		return 0;
-
 	usleep_range(10000, 11000);
 
 	gpiod_set_value_cansleep(priv->reset_gpio, 1);
@@ -187,7 +178,6 @@ static int renesas_r61307_unprepare(struct drm_panel *panel)
 	usleep_range(2000, 3000);
 	regulator_disable(priv->vcc_supply);
 
-	priv->prepared = false;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/panel/panel-renesas-r69328.c b/drivers/gpu/drm/panel/panel-renesas-r69328.c
index b40bfd702fac..b5fe127634ae 100644
--- a/drivers/gpu/drm/panel/panel-renesas-r69328.c
+++ b/drivers/gpu/drm/panel/panel-renesas-r69328.c
@@ -33,8 +33,6 @@ struct renesas_r69328 {
 	struct regulator *vdd_supply;
 	struct regulator *vddio_supply;
 	struct gpio_desc *reset_gpio;
-
-	bool prepared;
 };
 
 static inline struct renesas_r69328 *to_renesas_r69328(struct drm_panel *panel)
@@ -56,9 +54,6 @@ static int renesas_r69328_prepare(struct drm_panel *panel)
 	struct device *dev = &priv->dsi->dev;
 	int ret;
 
-	if (priv->prepared)
-		return 0;
-
 	ret = regulator_enable(priv->vdd_supply);
 	if (ret) {
 		dev_err(dev, "failed to enable vdd power supply\n");
@@ -77,7 +72,6 @@ static int renesas_r69328_prepare(struct drm_panel *panel)
 
 	renesas_r69328_reset(priv);
 
-	priv->prepared = true;
 	return 0;
 }
 
@@ -142,9 +136,6 @@ static int renesas_r69328_unprepare(struct drm_panel *panel)
 {
 	struct renesas_r69328 *priv = to_renesas_r69328(panel);
 
-	if (!priv->prepared)
-		return 0;
-
 	gpiod_set_value_cansleep(priv->reset_gpio, 1);
 
 	usleep_range(5000, 6000);
@@ -152,7 +143,6 @@ static int renesas_r69328_unprepare(struct drm_panel *panel)
 	regulator_disable(priv->vddio_supply);
 	regulator_disable(priv->vdd_supply);
 
-	priv->prepared = false;
 	return 0;
 }
 
-- 
2.51.0