[Intel-gfx] [PATCH 08/26] drm/amdgpu: use the new iterator in amdgpu_sync_resv

Christian König
2021-09-22T12:45:11Z

Simplifying the code a bit.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 44 ++++++++----------------
1 file changed, 14 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 862eb3c1c4c5..f7d8487799b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -252,41 +252,25 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
struct dma_resv *resv, enum amdgpu_sync_mode mode,
void *owner)
{
- struct dma_resv_list *flist;
+ struct dma_resv_iter cursor;
struct dma_fence *f;
- unsigned i;
- int r = 0;
+ int r;

if (resv == NULL)
return -EINVAL;

- /* always sync to the exclusive fence */
- f = dma_resv_excl_fence(resv);
- dma_fence_chain_for_each(f, f) {
- struct dma_fence_chain *chain = to_dma_fence_chain(f);
-
- if (amdgpu_sync_test_fence(adev, mode, owner, chain ?
- chain->fence : f)) {
- r = amdgpu_sync_fence(sync, f);
- dma_fence_put(f);
- if (r)
- return r;
- break;
- }
- }
-
- flist = dma_resv_shared_list(resv);
- if (!flist)
- return 0;
-
- for (i = 0; i < flist->shared_count; ++i) {
- f = rcu_dereference_protected(flist->shared[i],
- dma_resv_held(resv));
-
- if (amdgpu_sync_test_fence(adev, mode, owner, f)) {
- r = amdgpu_sync_fence(sync, f);
- if (r)
- return r;
+ dma_resv_for_each_fence(&cursor, resv, true, f) {
+ dma_fence_chain_for_each(f, f) {
+ struct dma_fence_chain *chain = to_dma_fence_chain(f);
+
+ if (amdgpu_sync_test_fence(adev, mode, owner, chain ?
+ chain->fence : f)) {
+ r = amdgpu_sync_fence(sync, f);
+ dma_fence_put(f);
+ if (r)
+ return r;
+ break;
+ }
}
}
return 0;
--
2.25.1