Some bright vendors mount their display panels upside down. Add the
required pieces to allow for accounting for that.
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-novatek-nt36523.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
index b0466abae812..2c5712ac3037 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -31,6 +31,7 @@ struct panel_info {
struct drm_panel panel;
struct mipi_dsi_device *dsi[2];
const struct panel_desc *desc;
+ enum drm_panel_orientation orientation;
struct gpio_desc *reset_gpio;
struct backlight_device *backlight;
@@ -674,11 +675,19 @@ static int nt36523_get_modes(struct drm_panel *panel,
return pinfo->desc->num_modes;
}
+static enum drm_panel_orientation nt36523_get_orientation(struct drm_panel *panel)
+{
+ struct panel_info *pinfo = to_panel_info(panel);
+
+ return pinfo->orientation;
+}
+
static const struct drm_panel_funcs nt36523_panel_funcs = {
.disable = nt36523_disable,
.prepare = nt36523_prepare,
.unprepare = nt36523_unprepare,
.get_modes = nt36523_get_modes,
+ .get_orientation = nt36523_get_orientation,
};
static int nt36523_bl_update_status(struct backlight_device *bl)
@@ -785,6 +794,12 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
mipi_dsi_set_drvdata(dsi, pinfo);
drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+ ret = of_drm_get_panel_orientation(dev->of_node, &pinfo->orientation);
+ if (ret < 0) {
+ dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
+ return ret;
+ }
+
if (pinfo->desc->has_dcs_backlight) {
pinfo->panel.backlight = nt36523_create_backlight(dsi);
if (IS_ERR(pinfo->panel.backlight))
--
2.40.0
