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Subject[PATCHv2 6/8] drm/omap: panel-dsi-cm: add orientation support
Date
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@collabora.co.uk>
---
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 15399a1a666b..7a63d6775a27 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 orientation;

struct omap_dsi_pin_config pin_config;

@@ -1198,6 +1199,14 @@ static void dsicm_get_size(struct omap_dss_device *dssdev,
*height = ddata->height_mm;
}

+static void dsicm_get_orientation(struct omap_dss_device *dssdev,
+ int *orientation)
+{
+ struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+ *orientation = ddata->orientation;
+}
+
static struct omap_dss_driver dsicm_ops = {
.connect = dsicm_connect,
.disconnect = dsicm_disconnect,
@@ -1211,6 +1220,7 @@ static struct omap_dss_driver dsicm_ops = {
.get_timings = dsicm_get_timings,
.check_timings = dsicm_check_timings,
.get_size = dsicm_get_size,
+ .get_orientation = dsicm_get_orientation,

.enable_te = dsicm_enable_te,
.get_te = dsicm_get_te,
@@ -1259,6 +1269,9 @@ static int dsicm_probe_of(struct platform_device *pdev)
ddata->height_mm = 0;
of_property_read_u32(node, "height-mm", &ddata->height_mm);

+ ddata->orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
+ of_property_read_u32(node, "orientation", &ddata->orientation);
+
in = omapdss_of_find_source_for_first_ep(node);
if (IS_ERR(in)) {
dev_err(&pdev->dev, "failed to find video source\n");
--
2.15.1
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