From: Sebastian Reichel <sre@xxxxxxxxxx>
Add support to inform the DRM subsystem about the orientation
the display has been mounted to the casing.
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 428de90fced1..21a828f88d30 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -68,6 +68,7 @@ struct panel_drv_data {
int width_mm;
int height_mm;
+ int rotation;
struct omap_dsi_pin_config pin_config;
@@ -1210,6 +1211,14 @@ static void dsicm_get_size(struct omap_dss_device *dssdev,
*height = ddata->height_mm;
}
+static void dsicm_get_rotation(struct omap_dss_device *dssdev,
+ int *rotation)
+{
+ struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+ *rotation = ddata->rotation;
+}
+
static struct omap_dss_driver dsicm_ops = {
.connect = dsicm_connect,
.disconnect = dsicm_disconnect,
@@ -1223,6 +1232,7 @@ static struct omap_dss_driver dsicm_ops = {
.get_timings = dsicm_get_timings,
.check_timings = dsicm_check_timings,
.get_size = dsicm_get_size,
+ .get_rotation = dsicm_get_rotation,
.enable_te = dsicm_enable_te,
.get_te = dsicm_get_te,
@@ -1270,6 +1280,9 @@ static int dsicm_probe_of(struct platform_device *pdev)
ddata->height_mm = 0;
of_property_read_u32(node, "height-mm", &ddata->height_mm);
+ ddata->rotation = -1;
+ of_property_read_u32(node, "rotation", &ddata->rotation);
+
ddata->vpnl = devm_regulator_get_optional(&pdev->dev, "vpnl");
if (IS_ERR(ddata->vpnl)) {
err = PTR_ERR(ddata->vpnl);
--
2.16.2
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