drm/panel: lvds: Read panel orientation (58310c2e) · Commits · 戴 / test

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 the generic LVDS panel. Signed-off-by:

Dmitry Osipenko <digetx@gmail.com> Signed-off-by:

Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200813215609.28643-4-digetx@gmail.com

drivers/gpu/drm/panel/panel-lvds.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,8 @@ struct panel_lvds {

		struct gpio_desc *enable_gpio;
		struct gpio_desc *reset_gpio;

		enum drm_panel_orientation orientation;
		};

		static inline struct panel_lvds to_panel_lvds(struct drm_panel panel)
		@@ -99,6 +101,7 @@ static int panel_lvds_get_modes(struct drm_panel *panel,
		connector->display_info.bus_flags = lvds->data_mirror
		? DRM_BUS_FLAG_DATA_LSB_TO_MSB
		: DRM_BUS_FLAG_DATA_MSB_TO_LSB;
		drm_connector_set_panel_orientation(connector, lvds->orientation);

		return 1;
		}
		@@ -116,6 +119,12 @@ static int panel_lvds_parse_dt(struct panel_lvds *lvds)
		const char *mapping;
		int ret;

		ret = of_drm_get_panel_orientation(np, &lvds->orientation);
		if (ret < 0) {
		dev_err(lvds->dev, "%pOF: failed to get orientation %d\n", np, ret);
		return ret;
		}

		ret = of_get_display_timing(np, "panel-timing", &timing);
		if (ret < 0) {
		dev_err(lvds->dev, "%pOF: problems parsing panel-timing (%d)\n",

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