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Commit eb87c91c authored by Yakir Yang's avatar Yakir Yang
Browse files

drm/rockchip: analogix_dp: make panel detect to an optional action 



Some boards don't need to declare a panel device node, like the
display interface is DP monitors, so it's necessary to make the
panel detect to an optional action.

Signed-off-by: default avatarYakir Yang <ykk@rock-chips.com>
Acked-by: default avatarMark Yao <mark.yao@rock-chips.com>
Reviewed-by: default avatarTomasz Figa <tomasz.figa@chromium.com>
Reviewed-by: default avatarSean Paul <seanpaul@chromium.org>
parent 82872e42

drivers/gpu/drm/rockchip/analogix_dp-rockchip.c

+21 −26
Original line number Diff line number Diff line
@@ -329,15 +329,11 @@ static int rockchip_dp_probe(struct platform_device *pdev) 
{

	struct device *dev = &pdev->dev;

	struct device_node *panel_node, *port, *endpoint;

	struct drm_panel *panel = NULL;

	struct rockchip_dp_device *dp;

	struct drm_panel *panel;



	port = of_graph_get_port_by_id(dev->of_node, 1);

	if (!port) {

		dev_err(dev, "can't find output port\n");

		return -EINVAL;

	}



	if (port) {

		endpoint = of_get_child_by_name(port, "endpoint");

		of_node_put(port);

		if (!endpoint) {
@@ -353,13 +349,12 @@ static int rockchip_dp_probe(struct platform_device *pdev) 
		}



		panel = of_drm_find_panel(panel_node);

		of_node_put(panel_node);

		if (!panel) {

			DRM_ERROR("failed to find panel\n");

		of_node_put(panel_node);

			return -EPROBE_DEFER;

		}



	of_node_put(panel_node);

	}



	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);

	if (!dp)