diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/anx7625.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 9a2a19ad4202..dcf3275a00fe 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -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); |