linux-kernel - [PATCH v2 4/4] drm/panel: clockworkpi-cwd686: Implement .get

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Date:   Sat,  3 Sep 2022 13:37:53 -0500
From:   Max Fierke <max@...fierke.com>
To:     thierry.reding@...il.com, sam@...nborg.org, airlied@...ux.ie,
        daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Max Fierke <max@...fierke.com>
Subject: [PATCH v2 4/4] drm/panel: clockworkpi-cwd686: Implement .get_orientation callback

Returns the panel's configured orientation

Signed-off-by: Max Fierke <max@...fierke.com>
---
Changes in v2:
 - this was added as .get_orientation is now available in drm-misc-next since v1

 drivers/gpu/drm/panel/panel-clockworkpi-cwd686.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-clockworkpi-cwd686.c b/drivers/gpu/drm/panel/panel-clockworkpi-cwd686.c
index 87d20d784596..2c433a458c8b 100644
--- a/drivers/gpu/drm/panel/panel-clockworkpi-cwd686.c
+++ b/drivers/gpu/drm/panel/panel-clockworkpi-cwd686.c
@@ -340,7 +340,10 @@ static int cwd686_get_modes(struct drm_panel *panel, struct drm_connector *conne
 	drm_mode_set_name(mode);
 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 
-	/* Set up connector's "panel orientation" property */
+	/*
+	 * TODO: Remove once all drm drivers call
+	 * drm_connector_set_orientation_from_panel()
+	 */
 	drm_connector_set_panel_orientation(connector, ctx->orientation);
 
 	drm_mode_probed_add(connector, mode);
@@ -348,10 +351,18 @@ static int cwd686_get_modes(struct drm_panel *panel, struct drm_connector *conne
 	return 1; /* Number of modes */
 }
 
+static enum drm_panel_orientation cwd686_get_orientation(struct drm_panel *panel)
+{
+	struct cwd686 *ctx = panel_to_cwd686(panel);
+
+	return ctx->orientation;
+}
+
 static const struct drm_panel_funcs cwd686_drm_funcs = {
 	.unprepare = cwd686_unprepare,
 	.prepare = cwd686_prepare,
 	.get_modes = cwd686_get_modes,
+	.get_orientation = cwd686_get_orientation,
 };
 
 static int cwd686_probe(struct mipi_dsi_device *dsi)
-- 
2.37.1