Add support to load physical size information from DT using
the properties defined by the common panel binding.
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 95c28f518239..b50b1e81b2f5 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -66,6 +66,9 @@ struct panel_drv_data {
bool use_dsi_backlight;
+ int width_mm;
+ int height_mm;
+
struct omap_dsi_pin_config pin_config;
/* runtime variables */
@@ -1163,6 +1166,15 @@ static int dsicm_check_timings(struct omap_dss_device *dssdev,
return ret;
}
+static void dsicm_get_size(struct omap_dss_device *dssdev,
+ unsigned int *width, unsigned int *height)
+{
+ struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+ *width = ddata->width_mm;
+ *height = ddata->height_mm;
+}
+
static struct omap_dss_driver dsicm_ops = {
.connect = dsicm_connect,
.disconnect = dsicm_disconnect,
@@ -1175,6 +1187,7 @@ static struct omap_dss_driver dsicm_ops = {
.get_timings = dsicm_get_timings,
.check_timings = dsicm_check_timings,
+ .get_size = dsicm_get_size,
.enable_te = dsicm_enable_te,
.get_te = dsicm_get_te,
@@ -1216,6 +1229,12 @@ static int dsicm_probe_of(struct platform_device *pdev)
"failed to get video timing, using defaults\n");
}
+ ddata->width_mm = 0;
+ of_property_read_u32(node, "width-mm", &ddata->width_mm);
+
+ ddata->height_mm = 0;
+ of_property_read_u32(node, "height-mm", &ddata->height_mm);
+
in = omapdss_of_find_source_for_first_ep(node);
if (IS_ERR(in)) {
dev_err(&pdev->dev, "failed to find video source\n");
--
2.13.2
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