drm/panel-elida-kd35t133: Drop prepare/unprepare logic

Drop the prepare/unprepare logic, as this is now tracked elsewhere
since this commit [1].

[1] commit d2aacaf07395 ("drm/panel: Check for already prepared/enabled in drm_panel")

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231117194405.1386265-6-macroalpha82@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231117194405.1386265-6-macroalpha82@gmail.com

diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c
index fea3d9e..00791ea 100644 (file)
--- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c
+++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c
@@ -43,7 +43,6 @@ struct kd35t133 {
        struct regulator *vdd;
        struct regulator *iovcc;
        enum drm_panel_orientation orientation;
-       bool prepared;
 };
 
 static inline struct kd35t133 *panel_to_kd35t133(struct drm_panel *panel)
@@ -91,9 +90,6 @@ static int kd35t133_unprepare(struct drm_panel *panel)
        struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
        int ret;
 
-       if (!ctx->prepared)
-               return 0;
-
        ret = mipi_dsi_dcs_set_display_off(dsi);
        if (ret < 0)
                dev_err(ctx->dev, "failed to set display off: %d\n", ret);
@@ -109,8 +105,6 @@ static int kd35t133_unprepare(struct drm_panel *panel)
        regulator_disable(ctx->iovcc);
        regulator_disable(ctx->vdd);
 
-       ctx->prepared = false;
-
        return 0;
 }
 
@@ -120,9 +114,6 @@ static int kd35t133_prepare(struct drm_panel *panel)
        struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
        int ret;
 
-       if (ctx->prepared)
-               return 0;
-
        dev_dbg(ctx->dev, "Resetting the panel\n");
        ret = regulator_enable(ctx->vdd);
        if (ret < 0) {
@@ -166,8 +157,6 @@ static int kd35t133_prepare(struct drm_panel *panel)
 
        msleep(50);
 
-       ctx->prepared = true;
-
        return 0;
 
 disable_iovcc: