drm/omap: add support for physical size hints from display drivers

While physical size information is automatically parsed for EDID
based displays, we need to provide it manually for displays providing
one fixed mode.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 6c6d888..6aa4c37 100644 (file)
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -563,6 +563,8 @@ struct omap_dss_driver {
                            struct videomode *vm);
        void (*get_timings)(struct omap_dss_device *dssdev,
                            struct videomode *vm);
+       void (*get_size)(struct omap_dss_device *dssdev,
+                        unsigned int *width, unsigned int *height);
 
        int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
        u32 (*get_wss)(struct omap_dss_device *dssdev);

diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
index aa5ba9a..188124a 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -149,6 +149,12 @@ static int omap_connector_get_modes(struct drm_connector *connector)
                drm_mode_set_name(mode);
                drm_mode_probed_add(connector, mode);
 
+               if (dssdrv->get_size) {
+                       dssdrv->get_size(dssdev,
+                                        &connector->display_info.width_mm,
+                                        &connector->display_info.height_mm);
+               }
+
                n = 1;
        }