From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: daniel@ffwll.ch
Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org
Subject: [PATCH 27/28] amdgpu: remove DMA-buf fence workaround
Date: Mon, 29 Nov 2021 13:06:58 +0100 [thread overview]
Message-ID: <20211129120659.1815-28-christian.koenig@amd.com> (raw)
In-Reply-To: <20211129120659.1815-1-christian.koenig@amd.com>
Not needed any more now we have that inside the framework.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
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
next prev parent reply other threads:[~2021-11-29 13:27 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 12:06 completely rework the dma_resv semantic Christian König
2021-11-29 12:06 ` [PATCH 01/28] drm/i915: Remove dma_resv_prune Christian König
2021-11-29 12:06 ` [PATCH 02/28] drm/ttm: stop pruning fences after wait Christian König
2021-11-30 9:02 ` Daniel Vetter
2021-11-30 9:53 ` Christian König
2021-11-29 12:06 ` [PATCH 03/28] dma-buf: make fence mandatory for dma_resv_add_excl_fence v2 Christian König
2021-11-30 9:03 ` Daniel Vetter
2021-11-29 12:06 ` [PATCH 04/28] drm/qxl: use iterator instead of dma_resv_shared_list Christian König
2021-11-30 9:06 ` Daniel Vetter
2021-11-29 12:06 ` [PATCH 05/28] dma-buf: add dma_resv_replace_fences Christian König
2021-11-29 12:06 ` [PATCH 06/28] dma-buf: finally make the dma_resv_list private Christian König
2021-11-29 12:06 ` [PATCH 07/28] dma-buf: drop excl_fence parameter from dma_resv_get_fences Christian König
2021-11-29 12:06 ` [PATCH 08/28] dma-buf: add dma_resv_get_singleton v2 Christian König
2021-11-29 12:06 ` [PATCH 09/28] RDMA: use dma_resv_wait() instead of extracting the fence Christian König
2021-11-29 12:06 ` [PATCH 10/28] drm/etnaviv: stop using dma_resv_excl_fence Christian König
2021-11-29 12:06 ` [PATCH 11/28] drm/nouveau: " Christian König
2021-11-29 12:06 ` [PATCH 12/28] drm/vmwgfx: " Christian König
2021-11-29 12:06 ` [PATCH 13/28] drm/radeon: " Christian König
2021-11-29 12:06 ` [PATCH 14/28] drm/amdgpu: remove excl as shared workarounds Christian König
2021-11-29 12:06 ` [PATCH 15/28] drm/amdgpu: use dma_resv_for_each_fence for CS workaround Christian König
2021-11-29 12:06 ` [PATCH 16/28] dma-buf: finally make dma_resv_excl_fence private Christian König
2021-11-29 12:06 ` [PATCH 17/28] dma-buf: drop the DAG approach for the dma_resv object Christian König
2021-11-29 12:06 ` [PATCH 18/28] dma-buf/drivers: make reserving a shared slot mandatory v2 Christian König
2021-11-29 12:06 ` [PATCH 19/28] drm: support more than one write fence in drm_gem_plane_helper_prepare_fb Christian König
2021-11-29 12:06 ` [PATCH 20/28] drm/nouveau: support more than one write fence in fenv50_wndw_prepare_fb Christian König
2021-11-29 12:06 ` [PATCH 21/28] drm/amdgpu: use dma_resv_get_singleton in amdgpu_pasid_free_cb Christian König
2021-11-29 12:06 ` [PATCH 22/28] dma-buf: add enum dma_resv_usage v3 Christian König
2021-11-29 12:06 ` [PATCH 23/28] dma-buf: specify usage while adding fences to dma_resv obj v2 Christian König
2021-11-29 12:06 ` [PATCH 24/28] dma-buf: add DMA_RESV_USAGE_KERNEL Christian König
2021-11-29 12:06 ` [PATCH 25/28] dma-buf: add DMA_RESV_USAGE_BOOKKEEP Christian König
2021-11-29 12:06 ` [PATCH 26/28] dma-buf: wait for map to complete for static attachments Christian König
2021-11-29 12:06 ` Christian König [this message]
2021-11-29 12:06 ` [PATCH 28/28] drm/ttm: remove bo->moving Christian König
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