Unverified Commit 27f26359 authored by Xin Ji's avatar Xin Ji Committed by Robert Foss
Browse files

drm/bridge: anx7625: Set downstream sink into normal status 



As downstream sink was set into standby mode while bridge disabled,
this patch used for setting downstream sink into normal status
while enable bridge.

Signed-off-by: default avatarXin Ji <xji@analogixsemi.com>
Reviewed-by: default avatarPin-Yen Lin <treapking@chromium.org>
Signed-off-by: default avatarRobert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322080213.1487134-1-xji@analogixsemi.com
parent 3ccd59f9

drivers/gpu/drm/bridge/analogix/anx7625.c

+8 −0
Original line number Diff line number Diff line
@@ -924,12 +924,20 @@ static void anx7625_dp_start(struct anx7625_data *ctx) 
{

	int ret;

	struct device *dev = &ctx->client->dev;

	u8 data;



	if (!ctx->display_timing_valid) {

		DRM_DEV_ERROR(dev, "mipi not set display timing yet.\n");

		return;

	}



	dev_dbg(dev, "set downstream sink into normal\n");

	/* Downstream sink enter into normal mode */

	data = 1;

	ret = anx7625_aux_trans(ctx, DP_AUX_NATIVE_WRITE, 0x000600, 1, &data);

	if (ret < 0)

		dev_err(dev, "IO error : set sink into normal mode fail\n");



	/* Disable HDCP */

	anx7625_write_and(ctx, ctx->i2c.rx_p1_client, 0xee, 0x9f);