Set output mode to HDMI or DVI according to EDID HDMI signature.
Signed-off-by: Jyri Sarha <jsa...@ti.com>
Reviewed-by: Andrzej Hajda <a.ha...@samsung.com>
---
drivers/gpu/drm/bridge/sii902x.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 1afa000141d5..0e21fa419d27 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -181,11 +181,15 @@ static int sii902x_get_modes(struct drm_connector
*connector)
struct sii902x *sii902x = connector_to_sii902x(connector);
u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
struct edid *edid;
+ u8 output_mode = SII902X_SYS_CTRL_OUTPUT_DVI;
int num = 0, ret;
edid = drm_get_edid(connector, sii902x->i2cmux->adapter[0]);
drm_connector_update_edid_property(connector, edid);
if (edid) {
+ if (drm_detect_hdmi_monitor(edid))
+ output_mode = SII902X_SYS_CTRL_OUTPUT_HDMI;
+
num = drm_add_edid_modes(connector, edid);
kfree(edid);
}
@@ -195,6 +199,11 @@ static int sii902x_get_modes(struct drm_connector
*connector)
if (ret)
return ret;
+ ret = regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,
+ SII902X_SYS_CTRL_OUTPUT_MODE, output_mode);
+ if (ret)
+ return ret;
+
return num;
}
--
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