drm/panel: himax-hx8394: Drop shutdown logic

The driver shutdown is duplicate as it calls drm_unprepare and
drm_disable which are called anyway when associated drivers are
shutdown/removed.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231204185719.569021-3-macroalpha82@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204185719.569021-3-macroalpha82@gmail.com

diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c
index 3823ff388b96b96d149da76614b3ba5d636c60f7..d8e590d5e1da4ef10d18a552df8c9bd2a4b05efa 100644 (file)
--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c
@@ -390,27 +390,11 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
        return 0;
 }
 
-static void hx8394_shutdown(struct mipi_dsi_device *dsi)
-{
-       struct hx8394 *ctx = mipi_dsi_get_drvdata(dsi);
-       int ret;
-
-       ret = drm_panel_disable(&ctx->panel);
-       if (ret < 0)
-               dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
-
-       ret = drm_panel_unprepare(&ctx->panel);
-       if (ret < 0)
-               dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
-}
-
 static void hx8394_remove(struct mipi_dsi_device *dsi)
 {
        struct hx8394 *ctx = mipi_dsi_get_drvdata(dsi);
        int ret;
 
-       hx8394_shutdown(dsi);
-
        ret = mipi_dsi_detach(dsi);
        if (ret < 0)
                dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
@@ -427,7 +411,6 @@ MODULE_DEVICE_TABLE(of, hx8394_of_match);
 static struct mipi_dsi_driver hx8394_driver = {
        .probe  = hx8394_probe,
        .remove = hx8394_remove,
-       .shutdown = hx8394_shutdown,
        .driver = {
                .name = DRV_NAME,
                .of_match_table = hx8394_of_match,