Commit a695a500 authored by Chris Morgan's avatar Chris Morgan Committed by Neil Armstrong
Browse files

drm/panel: himax-hx8394: Add Panel Rotation Support 



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

Signed-off-by: default avatarChris Morgan <macromorgan@hotmail.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231204185719.569021-5-macroalpha82@gmail.com


Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204185719.569021-5-macroalpha82@gmail.com
parent be478bc7

drivers/gpu/drm/panel/panel-himax-hx8394.c

+15 −0
Original line number Diff line number Diff line
@@ -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;