[PATCH 7/9] drm/amdgpu:block kms open during gpu_reset

[Monk.Liu@xxxxxxx (Monk Liu)]

Change-Id: Ibdb0ea9e3769d572fbbc13bbf1ef73f1af2ab7be
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 4a9f749..c155ce4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -813,6 +813,9 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 	if (r < 0)
 		return r;
 
+	if (adev->in_gpu_reset)
+		return -ENODEV;
+
 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
 	if (unlikely(!fpriv)) {
 		r = -ENOMEM;
-- 
2.7.4