[PATCH v4 4/4] drm/panel: jd9365da: Add the function of adjusting orientation

[Zhaoxiong Lv]

This driver does not have the function to adjust the orientation,
so this function is added.

Signed-off-by: Zhaoxiong Lv <lvzhaoxi...@huaqin.corp-partner.google.com>
---

Changes between V4 and V3:
- No changes.

---
 drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c 
b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
index 632bffa035ee..2545e22a5c85 100644
--- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
+++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
@@ -46,7 +46,7 @@ struct jadard {
        struct drm_panel panel;
        struct mipi_dsi_device *dsi;
        const struct jadard_panel_desc *desc;
-
+       enum drm_panel_orientation orientation;
        struct regulator *vdd;
        struct regulator *vccio;
        struct gpio_desc *reset;
@@ -203,12 +203,20 @@ static int jadard_get_modes(struct drm_panel *panel,
        return 1;
 }
 
+static enum drm_panel_orientation jadard_panel_get_orientation(struct 
drm_panel *panel)
+{
+       struct jadard *jadard = panel_to_jadard(panel);
+
+       return jadard->orientation;
+}
+
 static const struct drm_panel_funcs jadard_funcs = {
        .disable = jadard_disable,
        .unprepare = jadard_unprepare,
        .prepare = jadard_prepare,
        .enable = jadard_enable,
        .get_modes = jadard_get_modes,
+       .get_orientation = jadard_panel_get_orientation,
 };
 
 static const struct jadard_init_cmd radxa_display_8hd_ad002_init_cmds[] = {
@@ -893,6 +901,12 @@ static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
        drm_panel_init(&jadard->panel, dev, &jadard_funcs,
                       DRM_MODE_CONNECTOR_DSI);
 
+       ret = of_drm_get_panel_orientation(dev->of_node, &jadard->orientation);
+       if (ret < 0) {
+               dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, ret);
+               return ret;
+       }
+
        ret = drm_panel_of_backlight(&jadard->panel);
        if (ret)
                return ret;
-- 
2.17.1