drm/bridge: sii902x: Set output mode to HDMI or DVI according to EDID (bceee9bb) · Commits · 戴 / test

Set output mode to HDMI or DVI according to EDID HDMI signature. Signed-off-by:

drivers/gpu/drm/bridge/sii902x.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -181,12 +181,16 @@ static int sii902x_get_modes(struct drm_connector *connector)
		{
		struct sii902x *sii902x = connector_to_sii902x(connector);
		u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
		u8 output_mode = SII902X_SYS_CTRL_OUTPUT_DVI;
		struct edid *edid;
		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);
		}
		@@ -196,6 +200,11 @@ 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;
		}