Add support for the rotation property described by the common panel bindings. The information is forwarded to userspace using the orientation property.
Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com --- drivers/gpu/drm/panel/panel-dsi-cm.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c index fef9ba5319c2..b043ebb9c247 100644 --- a/drivers/gpu/drm/panel/panel-dsi-cm.c +++ b/drivers/gpu/drm/panel/panel-dsi-cm.c @@ -58,6 +58,7 @@ struct panel_drv_data {
int width_mm; int height_mm; + enum drm_panel_orientation panel_orientation;
/* runtime variables */ bool enabled; @@ -458,6 +459,7 @@ static int dsicm_get_modes(struct drm_panel *panel,
connector->display_info.width_mm = ddata->width_mm; connector->display_info.height_mm = ddata->height_mm; + connector->display_info.panel_orientation = ddata->panel_orientation;
drm_mode_probed_add(connector, mode);
@@ -479,7 +481,7 @@ static int dsicm_probe_of(struct mipi_dsi_device *dsi) struct panel_drv_data *ddata = mipi_dsi_get_drvdata(dsi); struct display_timing timing; struct videomode vm; - int err; + int err, rotation;
vm.hactive = 864; vm.vactive = 480; @@ -509,6 +511,26 @@ static int dsicm_probe_of(struct mipi_dsi_device *dsi) ddata->height_mm = 0; of_property_read_u32(node, "height-mm", &ddata->height_mm);
+ rotation = -1; + of_property_read_u32(node, "rotation", &rotation); + switch (rotation) { + case 0: + ddata->panel_orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL; + break; + case 90: + ddata->panel_orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP; + break; + case 180: + ddata->panel_orientation = DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP; + break; + case 270: + ddata->panel_orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP; + break; + default: + ddata->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN; + break; + } + ddata->supplies[0].supply = "vpnl"; ddata->supplies[1].supply = "vddi"; err = devm_regulator_bulk_get(&dsi->dev, DCS_REGULATOR_SUPPLY_NUM,