[PATCH 1/8] drm/amdgpu: use GEM references instead of TTMs

["Christian König" <ckoenig.leichtzumerken@xxxxxxxxx>]

Instead of a TTM reference grab a GEM reference whenever necessary.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Felix Kuehling <felix.kuehling@xxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c    | 8 ++++----
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 7 ++-----
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 67c234bcf89f..6be3d7cd1c51 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -87,11 +87,11 @@ static const struct vm_operations_struct amdgpu_gem_vm_ops = {
 
 static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
 {
-	struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
+	struct amdgpu_bo *aobj = gem_to_amdgpu_bo(gobj);
 
-	if (robj) {
-		amdgpu_hmm_unregister(robj);
-		amdgpu_bo_unref(&robj);
+	if (aobj) {
+		amdgpu_hmm_unregister(aobj);
+		ttm_bo_put(&aobj->tbo);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 8d8c39be6129..6c187e310034 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -853,7 +853,7 @@ struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo)
 	if (bo == NULL)
 		return NULL;
 
-	ttm_bo_get(&bo->tbo);
+	drm_gem_object_get(&bo->tbo.base);
 	return bo;
 }
 
@@ -865,13 +865,10 @@ struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo)
  */
 void amdgpu_bo_unref(struct amdgpu_bo **bo)
 {
-	struct ttm_buffer_object *tbo;
-
 	if ((*bo) == NULL)
 		return;
 
-	tbo = &((*bo)->tbo);
-	ttm_bo_put(tbo);
+	drm_gem_object_get(&(*bo)->tbo.base);
 	*bo = NULL;
 }
 
-- 
2.34.1