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 6c6d888416a75ecd8b8fa0409ba2f133913fb1c5..6aa4c377492d93430ee74abdac1c0c841fb64ac9 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 aa5ba9ae2191c15518ee1aa326165793653912e1..188124adc8a852a6ee91ccd19fc0674c8ae528a5 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;
        }