Re: [PATCH V2 04/10] drm/panel: himax-hx8394: Add Panel Rotation Support

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On 04/12/2023 19:57, Chris Morgan wrote:
From: Chris Morgan <macromorgan@xxxxxxxxxxx>

Add support for setting the rotation property for the Himax HX8394
panel.

Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
---
  drivers/gpu/drm/panel/panel-himax-hx8394.c | 15 +++++++++++++++
  1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c
index d8e590d5e1da..b68ea09f4725 100644
--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c
@@ -68,6 +68,7 @@ struct hx8394 {
  	struct gpio_desc *reset_gpio;
  	struct regulator *vcc;
  	struct regulator *iovcc;
+	enum drm_panel_orientation orientation;
const struct hx8394_panel_desc *desc;
  };
@@ -324,12 +325,20 @@ static int hx8394_get_modes(struct drm_panel *panel,
  	return 1;
  }
+static enum drm_panel_orientation hx8394_get_orientation(struct drm_panel *panel)
+{
+	struct hx8394 *ctx = panel_to_hx8394(panel);
+
+	return ctx->orientation;
+}
+
  static const struct drm_panel_funcs hx8394_drm_funcs = {
  	.disable   = hx8394_disable,
  	.unprepare = hx8394_unprepare,
  	.prepare   = hx8394_prepare,
  	.enable	   = hx8394_enable,
  	.get_modes = hx8394_get_modes,
+	.get_orientation = hx8394_get_orientation,
  };
static int hx8394_probe(struct mipi_dsi_device *dsi)
@@ -347,6 +356,12 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
  		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
  				     "Failed to get reset gpio\n");
+ ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+	if (ret < 0) {
+		dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
+		return ret;
+	}
+
  	mipi_dsi_set_drvdata(dsi, ctx);
ctx->dev = dev;

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>



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