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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index 8b28b18e4291..9b627a8b1d5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -335,3 +335,32 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev)
drm_dev_unplug(adev->xcp_mgr->xcp[i].ddev);
}
+int amdgpu_xcp_open_device(struct amdgpu_device *adev,
+ struct amdgpu_fpriv *fpriv,
+ struct drm_file *file_priv)
+{
+ int i;
+
+ if (!adev->xcp_mgr)
+ return 0;
+
+ fpriv->xcp_id = ~0;
+ for (i = 0; i < MAX_XCP; ++i) {
+ if (!adev->xcp_mgr->xcp[i].ddev)
+ break;
+
+ if (file_priv->minor == adev->xcp_mgr->xcp[i].ddev->render) {
+ if (adev->xcp_mgr->xcp[i].valid == FALSE) {
+ dev_err(adev->dev, "renderD%d partition %d not valid!",
+ file_priv->minor->index, i);
+ return -ENOENT;
+ }
+ dev_dbg(adev->dev, "renderD%d partition %d openned!",
+ file_priv->minor->index, i);
+ fpriv->xcp_id = i;
+ break;
+ }
+ }
+ return 0;
+}
+