From: Svyatoslav Ryhel <clamor95@gmail.com>
Date: Sun, 15 Feb 2026 08:51:37 +0000 (+0200)
Subject: drm/panel: r61307/r69328: remove redundant checks
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f8ba5e3508d17fef2602cb2826426afe593de78;p=thirdparty%2Fkernel%2Flinux.git

drm/panel: r61307/r69328: remove redundant checks

This is now done by the DRM framework itself.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260215085140.20499-4-clamor95@gmail.com
---

diff --git a/drivers/gpu/drm/panel/panel-renesas-r61307.c b/drivers/gpu/drm/panel/panel-renesas-r61307.c
index 45afa44af1146..2cc3bd66d6d4f 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 b40bfd702fac7..b5fe127634ae4 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;
 }