[PATCH 6/7] drm/amdgpu: remove unused code

[Das, Nirmoy]

[AMD Official Use Only]

I just realized that I didn't remove the shadow pointer from the amdgpu_bo. I will update that in the next version.

Regards,
Nirmoy
________________________________
From: Das, Nirmoy <Nirmoy.Das at amd.com>
Sent: Wednesday, May 26, 2021 12:10 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Koenig, Christian <Christian.Koenig at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Das, Nirmoy <Nirmoy.Das at amd.com>
Subject: [PATCH 6/7] drm/amdgpu: remove unused code

Remove unused code related to shadow BO.

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 29 ----------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  3 ---
 2 files changed, 32 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 6870cc297ae6..7930b7d9a3b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -638,35 +638,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
         return r;
 }

-int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-                           unsigned long size,
-                           struct amdgpu_bo *bo)
-{
-       struct amdgpu_bo_param bp;
-       int r;
-
-       if (bo->shadow)
-               return 0;
-
-       memset(&bp, 0, sizeof(bp));
-       bp.size = size;
-       bp.domain = AMDGPU_GEM_DOMAIN_GTT;
-       bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
-       bp.type = ttm_bo_type_kernel;
-       bp.resv = bo->tbo.base.resv;
-       bp.bo_ptr_size = sizeof(struct amdgpu_bo);
-
-       r = amdgpu_bo_create(adev, &bp, &bo->shadow);
-       if (!r) {
-               bo->shadow->parent = amdgpu_bo_ref(bo);
-               mutex_lock(&adev->shadow_list_lock);
-               list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
-               mutex_unlock(&adev->shadow_list_lock);
-       }
-
-       return r;
-}
-
 /**
  * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
  * @adev: amdgpu device object
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index a7fbf5f7051e..b8555c527613 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -284,9 +284,6 @@ int amdgpu_bo_create_vm(struct amdgpu_device *adev,
                         struct amdgpu_bo_vm **ubo_ptr);
 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
                            void **cpu_addr);
-int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-                           unsigned long size,
-                           struct amdgpu_bo *bo);
 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
--
2.31.1

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