Determine the orientation of the display based on the device tree and
propagate it.
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
Reviewed-by: Sebastian Reichel <s...@kernel.org>
Signed-off-by: Michael Riesch <michael.rie...@wolfvision.net>
---
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index bc8df51224de..0ded72ed2fcd 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -126,6 +126,7 @@ struct st7789v {
struct spi_device *spi;
struct gpio_desc *reset;
struct regulator *power;
+ enum drm_panel_orientation orientation;
};
enum st7789v_prefix {
@@ -325,9 +326,22 @@ static int st7789v_get_modes(struct drm_panel *panel,
drm_display_info_set_bus_formats(&connector->display_info,
&ctx->info->bus_format, 1);
+ /*
+ * 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 st7789v_get_orientation(struct drm_panel *p)
+{
+ struct st7789v *ctx = panel_to_st7789v(p);
+
+ return ctx->orientation;
+}
+
static int st7789v_prepare(struct drm_panel *panel)
{
struct st7789v *ctx = panel_to_st7789v(panel);
@@ -522,6 +536,7 @@ static const struct drm_panel_funcs st7789v_drm_funcs = {
.disable = st7789v_disable,
.enable = st7789v_enable,
.get_modes = st7789v_get_modes,
+ .get_orientation = st7789v_get_orientation,
.prepare = st7789v_prepare,
.unprepare = st7789v_unprepare,
};
@@ -563,6 +578,8 @@ static int st7789v_probe(struct spi_device *spi)
if (ret)
return dev_err_probe(dev, ret, "Failed to get backlight\n");
+ of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
+
drm_panel_add(&ctx->panel);
return 0;
--
2.37.2
