drm/amdgpu:invoke CSA functions (v2)

Make sure the CSA is mapped.

v2: agd: rebase.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 43169ab61a78..8f852cb152f5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -649,6 +649,12 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                 goto out_suspend;
         }
 
+        if (amdgpu_sriov_vf(adev)) {
+                r = amdgpu_map_static_csa(adev, &fpriv->vm);
+                if (r)
+                        goto out_suspend;
+        }
+
         mutex_init(&fpriv->bo_list_lock);
         idr_init(&fpriv->bo_list_handles);
 
@@ -687,6 +693,14 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
         amdgpu_uvd_free_handles(adev, file_priv);
         amdgpu_vce_free_handles(adev, file_priv);
 
+        if (amdgpu_sriov_vf(adev)) {
+                /* TODO: how to handle reserve failure */
+                BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, false));
+                amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
+                fpriv->vm.csa_bo_va = NULL;
+                amdgpu_bo_unreserve(adev->virt.csa_obj);
+        }
+
         amdgpu_vm_fini(adev, &fpriv->vm);
 
         idr_for_each_entry(&fpriv->bo_list_handles, list, handle)