3 files changed, 21 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index cad25557650f..ccd4ad4ee592 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -322,6 +322,14 @@ static int radeon_pci_probe(struct pci_dev *pdev,
 	int ret;
 
 	/*
+	 * Initialize amdkfd before starting radeon. If it was not loaded yet,
+	 * defer radeon probing
+	 */
+	ret = radeon_kfd_init();
+	if (ret == -EPROBE_DEFER)
+		return ret;
+
+	/*
 	 * apple-gmux is needed on dual GPU MacBook Pro
 	 * to probe the panel if we're the inactive GPU.
 	 */
@@ -581,8 +589,6 @@ static int __init radeon_init(void)
 		return -EINVAL;
 	}
 
-	radeon_kfd_init();
-
 	/* let modprobe override vga console setting */
 	return drm_pci_init(driver, pdriver);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index 83c2704a7291..87a9ebb5f58f 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -132,35 +132,34 @@ static const struct kfd2kgd_calls kfd2kgd = {
 
 static const struct kgd2kfd_calls *kgd2kfd;
 
-bool radeon_kfd_init(void)
+int radeon_kfd_init(void)
 {
+	int ret;
+
 #if defined(CONFIG_HSA_AMD_MODULE)
-	bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
+	int (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
 
 	kgd2kfd_init_p = symbol_request(kgd2kfd_init);
 
 	if (kgd2kfd_init_p == NULL)
-		return false;
+		return -ENOENT;
 
-	if (kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd)) {
+	ret = kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd);
+	if (ret) {
 		symbol_put(kgd2kfd_init);
 		kgd2kfd = NULL;
-
-		return false;
 	}
 
-	return true;
 #elif defined(CONFIG_HSA_AMD)
-	if (kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd)) {
+	ret = kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd);
+	if (ret)
 		kgd2kfd = NULL;
 
-		return false;
-	}
-
-	return true;
 #else
-	return false;
+	ret = -ENOENT;
 #endif
+
+	return ret;
 }
 
 void radeon_kfd_fini(void)
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.h b/drivers/gpu/drm/radeon/radeon_kfd.h
index 1103f9082f6b..9df1fea8e971 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.h
+++ b/drivers/gpu/drm/radeon/radeon_kfd.h
@@ -33,7 +33,7 @@
 
 struct radeon_device;
 
-bool radeon_kfd_init(void);
+int radeon_kfd_init(void);
 void radeon_kfd_fini(void);
 
 void radeon_kfd_suspend(struct radeon_device *rdev);