genode/repos/dde_linux/patches/imx8_fb_imx_hdcp.patch

imx_hdcp.patch

diff --git a/drivers/gpu/drm/imx/hdp/imx-hdcp.c b/drivers/gpu/drm/imx/hdp/imx-hdcp.c
index 4f10737..0f5665a 100644
--- a/drivers/gpu/drm/imx/hdp/imx-hdcp.c
+++ b/drivers/gpu/drm/imx/hdp/imx-hdcp.c
@@ -527,6 +527,12 @@ int imx_hdcp_init(struct imx_hdp *hdp, struct device_node *of_node)
 	int ret;
 	const char *compat;
 	u32 temp;
+	
+	/*
+	 * 'imx_hdcp_disable()' is called regardless of -EPERM early return
+	 * and needs an initialized mutex on Genode
+	 */
+	mutex_init(&hdp->hdcp.mutex);
 
 	ret = of_property_read_string(of_node, "compatible", &compat);
 	if (ret) {
@@ -561,7 +567,7 @@ int imx_hdcp_init(struct imx_hdp *hdp, struct device_node *of_node)
 		return ret;
 
 	/*connector->hdcp_shim = hdcp_shim;*/
-	mutex_init(&hdp->hdcp.mutex);
+	/*mutex_init(&hdp->hdcp.mutex);*/
 	INIT_DELAYED_WORK(&hdp->hdcp.check_work, imx_hdcp_check_work);
 	INIT_WORK(&hdp->hdcp.prop_work, imx_hdcp_prop_work);
 	return 0;