diff options
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 11309a2a4e43..b09c3531305b 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -36,7 +36,7 @@ * @lcdsel_lit: reg value of selecting vop little for HDMI */ struct rockchip_hdmi_chip_data { - u32 lcdsel_grf_reg; + int lcdsel_grf_reg; u32 lcdsel_big; u32 lcdsel_lit; }; @@ -245,6 +245,9 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder) u32 val; int ret; + if (hdmi->chip_data->lcdsel_grf_reg < 0) + return; + ret = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder); if (ret) val = hdmi->chip_data->lcdsel_lit; |