Commit d9c022d5 authored by John Keeping's avatar John Keeping Committed by Sam Ravnborg
Browse files

drm/panel: ilitek-ili9881c: Read panel orientation 



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: default avatarJohn Keeping <john@metanate.com>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020153432.383845-4-john@metanate.com
parent f4b2e669

drivers/gpu/drm/panel/panel-ilitek-ili9881c.c

+11 −0
Original line number Diff line number Diff line
@@ -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;