From 4d1337d2e96715b7882fd75658e54ab59b3f58cd Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Fri, 6 Sep 2019 17:23:44 -0400
Subject: drm/amdgpu: Avoid RAS recovery init when no RAS support.
Git-commit: 4d1337d2e96715b7882fd75658e54ab59b3f58cd
Patch-mainline: v5.5-rc1
References: bsc#1152489
Fixes driver load regression on APUs.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index e9bd40ea7ce0..e461386d697b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1496,9 +1496,14 @@ static int amdgpu_ras_release_bad_pages(struct amdgpu_device *adev)
int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
- struct ras_err_handler_data **data = &con->eh_data;
+ struct ras_err_handler_data **data;
int ret;
+ if (con)
+ data = &con->eh_data;
+ else
+ return 0;
+
*data = kmalloc(sizeof(**data), GFP_KERNEL | __GFP_ZERO);
if (!*data) {
ret = -ENOMEM;
--
2.28.0