linux-kernel - [PATCH v7 4/8] drm/panel: lvds: Implement .get

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Message-Id: <20220609072722.3488207-5-hsinyi@chromium.org>
Date:   Thu,  9 Jun 2022 15:27:18 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Hans de Goede <hdegoede@...hat.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Douglas Anderson <dianders@...omium.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org,
        Rob Clark <robdclark@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v7 4/8] drm/panel: lvds: Implement .get_orientation callback

To return the orientation property to drm/kms driver.

Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 drivers/gpu/drm/panel/panel-lvds.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index f11252fb00fea..7a4fedc63e8ec 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -99,15 +99,28 @@ static int panel_lvds_get_modes(struct drm_panel *panel,
 	drm_display_info_set_bus_formats(&connector->display_info,
 					 &lvds->bus_format, 1);
 	connector->display_info.bus_flags = lvds->bus_flags;
+
+	/*
+	 * TODO: Remove once all drm drivers call
+	 * drm_connector_set_orientation_from_panel()
+	 */
 	drm_connector_set_panel_orientation(connector, lvds->orientation);
 
 	return 1;
 }
 
+static enum drm_panel_orientation panel_lvds_get_orientation(struct drm_panel *panel)
+{
+       struct panel_lvds *lvds = to_panel_lvds(panel);
+
+       return lvds->orientation;
+}
+
 static const struct drm_panel_funcs panel_lvds_funcs = {
 	.unprepare = panel_lvds_unprepare,
 	.prepare = panel_lvds_prepare,
 	.get_modes = panel_lvds_get_modes,
+	.get_orientation = panel_lvds_get_orientation,
 };
 
 static int panel_lvds_parse_dt(struct panel_lvds *lvds)
-- 
2.36.1.255.ge46751e96f-goog