[PATCH 2/7] drm/amdgpu: move shadow bo validation to VM code

[Nirmoy Das]

Do the shadow bo validation in the VM code as
VM code knows/owns shadow BOs.

Signed-off-by: Nirmoy Das <nirmoy....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 23 ++++-------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  5 +++++
 2 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 90136f9dedd6..f6a8f0c5a52f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -396,10 +396,10 @@ void amdgpu_cs_report_moved_bytes(struct amdgpu_device 
*adev, u64 num_bytes,
        spin_unlock(&adev->mm_stats.lock);
 }
 
-static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
-                                struct amdgpu_bo *bo)
+static int amdgpu_cs_bo_validate(void *param, struct amdgpu_bo *bo)
 {
        struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+       struct amdgpu_cs_parser *p = param;
        struct ttm_operation_ctx ctx = {
                .interruptible = true,
                .no_wait_gpu = false,
@@ -451,21 +451,6 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser 
*p,
        return r;
 }
 
-static int amdgpu_cs_validate(void *param, struct amdgpu_bo *bo)
-{
-       struct amdgpu_cs_parser *p = param;
-       int r;
-
-       r = amdgpu_cs_bo_validate(p, bo);
-       if (r)
-               return r;
-
-       if (bo->shadow)
-               r = amdgpu_cs_bo_validate(p, bo->shadow);
-
-       return r;
-}
-
 static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
                            struct list_head *validated)
 {
@@ -493,7 +478,7 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser 
*p,
                                                     lobj->user_pages);
                }
 
-               r = amdgpu_cs_validate(p, bo);
+               r = amdgpu_cs_bo_validate(p, bo);
                if (r)
                        return r;
 
@@ -593,7 +578,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
        p->bytes_moved_vis = 0;
 
        r = amdgpu_vm_validate_pt_bos(p->adev, &fpriv->vm,
-                                     amdgpu_cs_validate, p);
+                                     amdgpu_cs_bo_validate, p);
        if (r) {
                DRM_ERROR("amdgpu_vm_validate_pt_bos() failed.\n");
                goto error_validate;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index da155c276c51..f474f15ba344 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -696,6 +696,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, 
struct amdgpu_vm *vm,
                r = validate(param, bo);
                if (r)
                        return r;
+               if (bo->shadow) {
+                       r = validate(param, bo);
+                       if (r)
+                               return r;
+               }
 
                if (bo->tbo.type != ttm_bo_type_kernel) {
                        amdgpu_vm_bo_moved(bo_base);
-- 
2.31.1

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