Commit 5a2854e5 authored by Maya Matuszczyk's avatar Maya Matuszczyk Committed by Heiko Stuebner
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drm: panel: Add orientation support for st7701 



Note that this patch is 'heavily inspired' by orientation support in driver
for Elida KD35T133 panel

Signed-off-by: default avatarMaya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230213153816.213526-4-maccraft123mc@gmail.com
parent e8983896

drivers/gpu/drm/panel/panel-sitronix-st7701.c

+19 −0
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ struct st7701 { 
	struct regulator_bulk_data supplies[2];

	struct gpio_desc *reset;

	unsigned int sleep_delay;

	enum drm_panel_orientation orientation;

};



static inline struct st7701 *panel_to_st7701(struct drm_panel *panel)
@@ -514,15 +515,29 @@ static int st7701_get_modes(struct drm_panel *panel, 
	connector->display_info.width_mm = desc_mode->width_mm;

	connector->display_info.height_mm = desc_mode->height_mm;



	/*

	 * TODO: Remove once all drm drivers call

	 * drm_connector_set_orientation_from_panel()

	 */

	drm_connector_set_panel_orientation(connector, st7701->orientation);



	return 1;

}



static enum drm_panel_orientation st7701_get_orientation(struct drm_panel *panel)

{

	struct st7701 *st7701 = panel_to_st7701(panel);



	return st7701->orientation;

}



static const struct drm_panel_funcs st7701_funcs = {

	.disable	= st7701_disable,

	.unprepare	= st7701_unprepare,

	.prepare	= st7701_prepare,

	.enable		= st7701_enable,

	.get_modes	= st7701_get_modes,

	.get_orientation = st7701_get_orientation,

};



static const struct drm_display_mode ts8550b_mode = {
@@ -854,6 +869,10 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) 
		return PTR_ERR(st7701->reset);

	}



	ret = of_drm_get_panel_orientation(dsi->dev.of_node, &st7701->orientation);

	if (ret < 0)

		return dev_err_probe(&dsi->dev, ret, "Failed to get orientation\n");



	drm_panel_init(&st7701->panel, &dsi->dev, &st7701_funcs,

		       DRM_MODE_CONNECTOR_DSI);