diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 35e7c29f71e233a2dfd58b0e1dcf78050d0bae07..b9be8b30d89f0fa120bc373513222e1dd75a9d84 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -116,6 +116,9 @@ extern int radeon_mst;
 extern int radeon_uvd;
 extern int radeon_vce;
 
+#ifdef CONFIG_DRM_AMDGPU_SI
+extern int radeon_si_support;
+#endif
 #ifdef CONFIG_DRM_AMDGPU_CIK
 extern int radeon_cik_support;
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index acb37386c9f8356e21f331dbe9355a6fd09d38d3..02df5135b4dee0993a592fe776dfa91e6301af4a 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -295,6 +295,12 @@ module_param_named(uvd, radeon_uvd, int, 0444);
 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
 module_param_named(vce, radeon_vce, int, 0444);
 
+#ifdef CONFIG_DRM_AMDGPU_SI
+int radeon_si_support = 1;
+MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
+module_param_named(si_support, radeon_si_support, int, 0444);
+#endif
+
 #ifdef CONFIG_DRM_AMDGPU_CIK
 int radeon_cik_support = 0;
 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled (default))");
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index f0abba3caac29666004f4ceb03ee14e6ec3bcf33..dcb31633a72622edf0972fcd9a9547d33b50befc 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -98,6 +98,20 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
 	struct radeon_device *rdev;
 	int r, acpi_status;
 
+#ifdef CONFIG_DRM_AMDGPU_SI
+	if (!radeon_si_support) {
+		switch (flags & RADEON_FAMILY_MASK) {
+		case CHIP_TAHITI:
+		case CHIP_PITCAIRN:
+		case CHIP_VERDE:
+		case CHIP_OLAND:
+		case CHIP_HAINAN:
+			dev_info(dev->dev,
+				 "SI support disabled by module param\n");
+			return -ENODEV;
+		}
+	}
+#endif
 #ifdef CONFIG_DRM_AMDGPU_CIK
 	if (!radeon_cik_support) {
 		switch (flags & RADEON_FAMILY_MASK) {