From: Chris Morgan <macromor...@hotmail.com>
Add support for panel rotation to ST7703 based devices.
Signed-off-by: Chris Morgan <macromor...@hotmail.com>
---
drivers/gpu/drm/panel/panel-sitronix-st7703.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 939ba05c9b58..a3e142f156d5 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -62,6 +62,7 @@ struct st7703 {
struct dentry *debugfs;
const struct st7703_panel_desc *desc;
+ enum drm_panel_orientation orientation;
};
struct st7703_panel_desc {
@@ -743,12 +744,20 @@ static int st7703_get_modes(struct drm_panel *panel,
return 1;
}
+static enum drm_panel_orientation st7703_get_orientation(struct drm_panel
*panel)
+{
+ struct st7703 *st7703 = panel_to_st7703(panel);
+
+ return st7703->orientation;
+}
+
static const struct drm_panel_funcs st7703_drm_funcs = {
.disable = st7703_disable,
.unprepare = st7703_unprepare,
.prepare = st7703_prepare,
.enable = st7703_enable,
.get_modes = st7703_get_modes,
+ .get_orientation = st7703_get_orientation,
};
static int allpixelson_set(void *data, u64 val)
@@ -817,6 +826,10 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
"Failed to request iovcc regulator\n");
+ ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
+ if (ret < 0)
+ return dev_err_probe(&dsi->dev, ret, "Failed to get
orientation\n");
+
drm_panel_init(&ctx->panel, dev, &st7703_drm_funcs,
DRM_MODE_CONNECTOR_DSI);
--
2.34.1
