drm/amdgpu: Avoid RAS recovery init when no RAS support.

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index e9bd40ea7ce0b17fe4b7681040c654dc64bc776f..e461386d697b56fab829feda02e63daf65eadf67 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1496,9 +1496,14 @@ out:
 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;