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 45afa44af1146837d3d4252253ca6bf392b00413..2cc3bd66d6d4f5286ef3f246014eff5645291353 100644 (file)
--- 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 b40bfd702fac747835e084b7929fb4d0b0402c97..b5fe127634ae417a3eb4de1a9bc8ead7b6166034 100644 (file)
--- 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;
 }