Not needed any more now we have that inside the framework.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h | 1 -
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 52 +++------------------
2 files changed, 6 insertions(+), 47 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h
index 044b41f0bfd9..529d52a204cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h
@@ -34,7 +34,6 @@ struct amdgpu_fpriv;
struct amdgpu_bo_list_entry {
struct ttm_validate_buffer tv;
struct amdgpu_bo_va *bo_va;
- struct dma_fence_chain *chain;
uint32_t priority;
struct page **user_pages;
bool user_invalidated;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 92091e800022..413606d10080 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -576,14 +576,6 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
e->bo_va = amdgpu_vm_bo_find(vm, bo);
-
- if (bo->tbo.base.dma_buf && !amdgpu_bo_explicit_sync(bo)) {
- e->chain = dma_fence_chain_alloc();
- if (!e->chain) {
- r = -ENOMEM;
- goto error_validate;
- }
- }
}
amdgpu_cs_get_threshold_for_moves(p->adev, &p->bytes_moved_threshold,
@@ -634,13 +626,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
}
error_validate:
- if (r) {
- amdgpu_bo_list_for_each_entry(e, p->bo_list) {
- dma_fence_chain_free(e->chain);
- e->chain = NULL;
- }
+ if (r)
ttm_eu_backoff_reservation(&p->ticket, &p->validated);
- }
out:
return r;
}
@@ -680,17 +667,9 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
{
unsigned i;
- if (error && backoff) {
- struct amdgpu_bo_list_entry *e;
-
- amdgpu_bo_list_for_each_entry(e, parser->bo_list) {
- dma_fence_chain_free(e->chain);
- e->chain = NULL;
- }
-
+ if (error && backoff)
ttm_eu_backoff_reservation(&parser->ticket,
&parser->validated);
- }
for (i = 0; i < parser->num_post_deps; i++) {
drm_syncobj_put(parser->post_deps[i].syncobj);
@@ -1265,29 +1244,10 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
amdgpu_vm_move_to_lru_tail(p->adev, &fpriv->vm);
- amdgpu_bo_list_for_each_entry(e, p->bo_list) {
- struct dma_resv *resv = e->tv.bo->base.resv;
- struct dma_fence_chain *chain = e->chain;
- struct dma_resv_iter cursor;
- struct dma_fence *fence;
-
- if (!chain)
- continue;
-
- /*
- * Work around dma_resv shortcommings by wrapping up the
- * submission in a dma_fence_chain and add it as exclusive
- * fence.
- */
- dma_resv_for_each_fence(&cursor, resv,
- DMA_RESV_USAGE_WRITE,
- fence) {
- break;
- }
- dma_fence_chain_init(chain, fence, dma_fence_get(p->fence), 1);
- dma_resv_add_fence(resv, &chain->base, DMA_RESV_USAGE_WRITE);
- e->chain = NULL;
- }
+ /* For now manually add the resulting fence as writer as well */
+ amdgpu_bo_list_for_each_entry(e, p->bo_list)
+ dma_resv_add_fence(e->tv.bo->base.resv, p->fence,
+ DMA_RESV_USAGE_WRITE);
ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);
mutex_unlock(&p->adev->notifier_lock);
--
2.25.1
