From e1352e6872edc2b521ad44eb776ce093553192e3 Mon Sep 17 00:00:00 2001
From: Mark Hatle <mark.hatle@amd.com>
Date: Fri, 17 May 2024 10:44:37 -0600
Subject: [PATCH] Support both pre 6.4.0 and current kernels

Signed-off-by: Mark Hatle <mark.hatle@amd.com>
---
 hdmi/xilinx_drm_hdmi.c |  3 +++
 misc/dp159.c           | 14 ++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/hdmi/xilinx_drm_hdmi.c b/hdmi/xilinx_drm_hdmi.c
index 104fc3d..6ebbdca 100644
--- a/hdmi/xilinx_drm_hdmi.c
+++ b/hdmi/xilinx_drm_hdmi.c
@@ -17,6 +17,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/version.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
@@ -27,7 +28,9 @@
 #include <drm/drm_of.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_sysfs.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
 #include <drm/display/drm_hdmi_helper.h>
+#endif
 
 #include <linux/clk.h>
 #include <linux/delay.h>
diff --git a/misc/dp159.c b/misc/dp159.c
index 73e886f..d2c60d9 100644
--- a/misc/dp159.c
+++ b/misc/dp159.c
@@ -28,6 +28,7 @@
 #include <linux/of.h>
 #include <linux/of.h>
 #include <linux/clk-provider.h>
+#include <linux/version.h>
 
 MODULE_DESCRIPTION("i2c device driver for dp159 redriver and retimer");
 MODULE_AUTHOR("Leon Woestenberg");
@@ -133,7 +134,12 @@ struct clk_ops clk_tx_rate_ops = {
 	.round_rate		= &clk_tx_round_rate,
 };
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
 static int dp159_probe(struct i2c_client *client)
+#else
+static int dp159_probe(struct i2c_client *client,
+		       const struct i2c_device_id *id)
+#endif
 {
 	struct clk_tx_linerate *clk_tx;
 	struct clk *clk;
@@ -191,12 +197,20 @@ static int dp159_probe(struct i2c_client *client)
 	return 0;
 }
 
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
 static void dp159_remove(struct i2c_client *client)
+#else
+static int dp159_remove(struct i2c_client *client)
+#endif
 {
 	struct clk_tx_linerate *clk_tx;
 	clk_tx = (struct clk_tx_linerate *)i2c_get_clientdata(client);
 	if (clk_tx)
 		clk_unregister(clk_tx->clk);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 1, 0)
+	return 0;
+#endif
 }
 
 static const struct i2c_device_id dp159_id[] = {
-- 
2.34.1