drm/panel: ili9881c: Implement .get_orientation callback

To return the orientation property to drm/kms driver.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
[dianders: fixed space vs. tab indentation]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-7-hsinyi@chromium.org

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index ba30d11..5968612 100644 (file)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -853,17 +853,29 @@ static int ili9881c_get_modes(struct drm_panel *panel,
        connector->display_info.width_mm = mode->width_mm;
        connector->display_info.height_mm = mode->height_mm;
 
+       /*
+        * TODO: Remove once all drm drivers call
+        * drm_connector_set_orientation_from_panel()
+        */
        drm_connector_set_panel_orientation(connector, ctx->orientation);
 
        return 1;
 }
 
+static enum drm_panel_orientation ili9881c_get_orientation(struct drm_panel *panel)
+{
+       struct ili9881c *ctx = panel_to_ili9881c(panel);
+
+       return ctx->orientation;
+}
+
 static const struct drm_panel_funcs ili9881c_funcs = {
        .prepare        = ili9881c_prepare,
        .unprepare      = ili9881c_unprepare,
        .enable         = ili9881c_enable,
        .disable        = ili9881c_disable,
        .get_modes      = ili9881c_get_modes,
+       .get_orientation = ili9881c_get_orientation,
 };
 
 static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)