⬢ DragonFlyBSD Kernel Audit
DF-4165 / fix.diff
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--- /home/maxx/dfbsd/dfbsd/sys/dev/drm/amd/display/dc/bios/bios_parser2.c	2026-06-29 12:51:18.000000000 +0000
+++ bp2_fix4165.c	2026-09-18 09:48:26.645065302 +0000
@@ -1439,6 +1439,8 @@
 
 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
+	if (info->dp0_ext_hdmi_reg_num > 9)
+		info->dp0_ext_hdmi_reg_num = 9;
 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
@@ -1446,6 +1448,8 @@
 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
 	}
 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
+	if (info->dp0_ext_hdmi_6g_reg_num > 3)
+		info->dp0_ext_hdmi_6g_reg_num = 3;
 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
@@ -1455,6 +1459,8 @@
 
 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
+	if (info->dp1_ext_hdmi_reg_num > 9)
+		info->dp1_ext_hdmi_reg_num = 9;
 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
@@ -1462,6 +1468,8 @@
 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
 	}
 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
+	if (info->dp1_ext_hdmi_6g_reg_num > 3)
+		info->dp1_ext_hdmi_6g_reg_num = 3;
 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
@@ -1471,6 +1479,8 @@
 
 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
+	if (info->dp2_ext_hdmi_reg_num > 9)
+		info->dp2_ext_hdmi_reg_num = 9;
 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
@@ -1478,6 +1488,8 @@
 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
 	}
 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
+	if (info->dp2_ext_hdmi_6g_reg_num > 3)
+		info->dp2_ext_hdmi_6g_reg_num = 3;
 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
@@ -1487,6 +1499,8 @@
 
 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
+	if (info->dp3_ext_hdmi_reg_num > 9)
+		info->dp3_ext_hdmi_reg_num = 9;
 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
@@ -1494,6 +1508,8 @@
 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
 	}
 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
+	if (info->dp3_ext_hdmi_6g_reg_num > 3)
+		info->dp3_ext_hdmi_6g_reg_num = 3;
 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;