The properties below refer to items in panel-common.yaml, which means that needs to be referenced in the schema.

Signed-off-by: John Keeping john@metanate.com --- .../devicetree/bindings/display/panel/ilitek,ili9881c.yaml | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml index 07789d554889..032bae7891ad 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml @@ -9,6 +9,9 @@ title: Ilitek ILI9881c based MIPI-DSI panels maintainers: - Maxime Ripard mripard@kernel.org

+allOf: + - $ref: panel-common.yaml# + properties: compatible: items:

The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for ILI9881C based panels.

Signed-off-by: John Keeping john@metanate.com --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 11 +++++++++++ 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index d68c52bd53c2..ba30d11547ad 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -52,6 +52,8 @@ struct ili9881c {

struct regulator *power; struct gpio_desc *reset; + + enum drm_panel_orientation orientation; };

#define ILI9881C_SWITCH_PAGE_INSTR(_page) \ @@ -851,6 +853,8 @@ 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;

+ drm_connector_set_panel_orientation(connector, ctx->orientation); + return 1; }

@@ -887,6 +891,13 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), "Couldn't get our reset GPIO\n");

+ ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation); + if (ret) { + dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n", + dsi->dev.of_node, ret); + return ret; + } + ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret;