From: Konrad Dybcio Date: Mon, 17 Apr 2023 14:39:05 +0000 (+0200) Subject: drm/panel: nt36523: Get orientation from OF X-Git-Tag: v6.6.17~3937^2~23^2~453 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1eae88fa7b56b3b02d0e003a737fc31d71f3f486;p=platform%2Fkernel%2Flinux-rpi.git drm/panel: nt36523: Get orientation from OF Some bright vendors mount their display panels upside down. Add the required pieces to allow for accounting for that. Reviewed-by: Linus Walleij Reviewed-by: Jianhua Lu Signed-off-by: Konrad Dybcio Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20230412-topic-lenovopanel-v3-3-bcf9ba4de46f@linaro.org --- diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c index b0466ab..2c5712a 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c @@ -31,6 +31,7 @@ struct panel_info { struct drm_panel panel; struct mipi_dsi_device *dsi[2]; const struct panel_desc *desc; + enum drm_panel_orientation orientation; struct gpio_desc *reset_gpio; struct backlight_device *backlight; @@ -674,11 +675,19 @@ static int nt36523_get_modes(struct drm_panel *panel, return pinfo->desc->num_modes; } +static enum drm_panel_orientation nt36523_get_orientation(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + + return pinfo->orientation; +} + static const struct drm_panel_funcs nt36523_panel_funcs = { .disable = nt36523_disable, .prepare = nt36523_prepare, .unprepare = nt36523_unprepare, .get_modes = nt36523_get_modes, + .get_orientation = nt36523_get_orientation, }; static int nt36523_bl_update_status(struct backlight_device *bl) @@ -785,6 +794,12 @@ static int nt36523_probe(struct mipi_dsi_device *dsi) mipi_dsi_set_drvdata(dsi, pinfo); drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = of_drm_get_panel_orientation(dev->of_node, &pinfo->orientation); + if (ret < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); + return ret; + } + if (pinfo->desc->has_dcs_backlight) { pinfo->panel.backlight = nt36523_create_backlight(dsi); if (IS_ERR(pinfo->panel.backlight))