From: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Date: Mon, 24 Jul 2017 19:33:04 +0200
Subject: drm/omap: add support for physical size hints from display drivers
Git-commit: b070d6e84ad20666a8856cfb8f9bd90197ec6c6d
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/omapdrm/dss/omapdss.h    |    2 ++
 drivers/gpu/drm/omapdrm/omap_connector.c |    6 ++++++
 2 files changed, 8 insertions(+)

--- 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);
--- 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(stru
 		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;
 	}