1 files changed, 0 insertions, 28 deletions

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
index a4c9a5cb9811..6b18cf00fd4a 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
@@ -40,7 +40,6 @@ struct ltk500hd1829 {
 	struct regulator *vcc;
 	struct regulator *iovcc;
 	const struct ltk500hd1829_desc *panel_desc;
-	bool prepared;
 };
 
 static const struct ltk500hd1829_cmd ltk101b4029w_init[] = {
@@ -492,9 +491,6 @@ static int ltk500hd1829_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(panel->dev, "failed to set display off: %d\n", ret);
@@ -510,8 +506,6 @@ static int ltk500hd1829_unprepare(struct drm_panel *panel)
 	regulator_disable(ctx->iovcc);
 	regulator_disable(ctx->vcc);
 
-	ctx->prepared = false;
-
 	return 0;
 }
 
@@ -522,9 +516,6 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
 	unsigned int i;
 	int ret;
 
-	if (ctx->prepared)
-		return 0;
-
 	ret = regulator_enable(ctx->vcc);
 	if (ret < 0) {
 		dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
@@ -568,8 +559,6 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
 		goto disable_iovcc;
 	}
 
-	ctx->prepared = true;
-
 	return 0;
 
 disable_iovcc:
@@ -673,27 +662,11 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
 	return 0;
 }
 
-static void ltk500hd1829_shutdown(struct mipi_dsi_device *dsi)
-{
-	struct ltk500hd1829 *ctx = mipi_dsi_get_drvdata(dsi);
-	int ret;
-
-	ret = drm_panel_unprepare(&ctx->panel);
-	if (ret < 0)
-		dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
-
-	ret = drm_panel_disable(&ctx->panel);
-	if (ret < 0)
-		dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
-}
-
 static void ltk500hd1829_remove(struct mipi_dsi_device *dsi)
 {
 	struct ltk500hd1829 *ctx = mipi_dsi_get_drvdata(dsi);
 	int ret;
 
-	ltk500hd1829_shutdown(dsi);
-
 	ret = mipi_dsi_detach(dsi);
 	if (ret < 0)
 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
@@ -721,7 +694,6 @@ static struct mipi_dsi_driver ltk500hd1829_driver = {
 	},
 	.probe = ltk500hd1829_probe,
 	.remove = ltk500hd1829_remove,
-	.shutdown = ltk500hd1829_shutdown,
 };
 module_mipi_dsi_driver(ltk500hd1829_driver);