From 5a2854e577dc2b4538711afb9d788a6fb835b640 Mon Sep 17 00:00:00 2001 From: Maya Matuszczyk Date: Mon, 13 Feb 2023 16:38:15 +0100 Subject: [PATCH] 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: Maya Matuszczyk Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20230213153816.213526-4-maccraft123mc@gmail.com --- drivers/gpu/drm/panel/panel-sitronix-st7701.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c index 6fcd429..7eae83a 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -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); -- 2.7.4