[PATCHv1 07/14] drm/omap: add support for physical size hints from display drivers

From: Sebastian Reichel
Date: Mon Jul 24 2017 - 13:34:01 EST


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@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/omapdrm/dss/omapdss.h | 2 ++
drivers/gpu/drm/omapdrm/omap_connector.c | 6 ++++++
2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 4e619ff360ae..530365e9c48d 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -560,6 +560,8 @@ 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 5e941305ab1b..b2678105aaf2 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -136,6 +136,12 @@ 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;
}

--
2.13.2