[PATCH v2 1/4] drm/amdgpu: Add separate mode for syncing DMA_RESV_USAGE_BOOKKEEP.
Tatsuyuki Ishi
ishitatsuyuki at gmail.com
Mon Aug 21 06:20:02 UTC 2023
From: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
To prep for allowing different sync modes in a follow-up patch.
Signed-off-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Signed-off-by: Tatsuyuki Ishi <ishitatsuyuki at gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 11 +++++++----
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 11 ++++++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h | 4 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 2 +-
8 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index edb35a88cb78..240556838094 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1287,7 +1287,7 @@ static int process_sync_pds_resv(struct amdkfd_process_info *process_info,
struct amdgpu_bo *pd = peer_vm->root.bo;
ret = amdgpu_sync_resv(NULL, sync, pd->tbo.base.resv,
- AMDGPU_SYNC_NE_OWNER,
+ AMDGPU_SYNC_NE_OWNER, AMDGPU_SYNC_NE_OWNER,
AMDGPU_FENCE_OWNER_KFD);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 977e1804718d..2cb814de0149 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1203,7 +1203,7 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
sync_mode = amdgpu_bo_explicit_sync(bo) ?
AMDGPU_SYNC_EXPLICIT : AMDGPU_SYNC_NE_OWNER;
r = amdgpu_sync_resv(p->adev, &p->sync, resv, sync_mode,
- &fpriv->vm);
+ AMDGPU_SYNC_EXPLICIT, &fpriv->vm);
if (r)
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index f7905bce0de1..f20c1d2757e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1450,7 +1450,8 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
*
* @adev: amdgpu device pointer
* @resv: reservation object to sync to
- * @sync_mode: synchronization mode
+ * @implicit_sync_mode: synchronization mode for usage <= DMA_RESV_USAGE_READ
+ * @explicit_sync_mode: synchronization mode for usage DMA_RESV_USAGE_BOOKKEEP
* @owner: fence owner
* @intr: Whether the wait is interruptible
*
@@ -1460,14 +1461,15 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
* 0 on success, errno otherwise.
*/
int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
- enum amdgpu_sync_mode sync_mode, void *owner,
+ enum amdgpu_sync_mode implicit_sync_mode,
+ enum amdgpu_sync_mode explicit_sync_mode, void *owner,
bool intr)
{
struct amdgpu_sync sync;
int r;
amdgpu_sync_create(&sync);
- amdgpu_sync_resv(adev, &sync, resv, sync_mode, owner);
+ amdgpu_sync_resv(adev, &sync, resv, implicit_sync_mode, explicit_sync_mode, owner);
r = amdgpu_sync_wait(&sync, intr);
amdgpu_sync_free(&sync);
return r;
@@ -1488,7 +1490,8 @@ int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr)
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
return amdgpu_bo_sync_wait_resv(adev, bo->tbo.base.resv,
- AMDGPU_SYNC_NE_OWNER, owner, intr);
+ AMDGPU_SYNC_NE_OWNER, AMDGPU_SYNC_EXPLICIT,
+ owner, intr);
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 05496b97ef93..e982b5815969 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -350,7 +350,8 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
bool shared);
int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
- enum amdgpu_sync_mode sync_mode, void *owner,
+ enum amdgpu_sync_mode implicit_sync_mode,
+ enum amdgpu_sync_mode explicit_sync_mode, void *owner,
bool intr);
int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index dcd8c066bc1f..e94f90d87902 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -226,14 +226,15 @@ static bool amdgpu_sync_test_fence(struct amdgpu_device *adev,
* @adev: amdgpu device
* @sync: sync object to add fences from reservation object to
* @resv: reservation object with embedded fence
- * @mode: how owner affects which fences we sync to
+ * @implicit_mode: how owner affects which fences with usage <= DMA_RESV_USAGE_READ we sync to
+ * @explicit_mode: how owner affects which fences with usage DMA_RESV_USAGE_BOOKKEEP we sync to
* @owner: owner of the planned job submission
*
* Sync to the fence
*/
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 *resv, enum amdgpu_sync_mode implicit_mode,
+ enum amdgpu_sync_mode explicit_mode, void *owner)
{
struct dma_resv_iter cursor;
struct dma_fence *f;
@@ -246,6 +247,10 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
dma_resv_for_each_fence(&cursor, resv, DMA_RESV_USAGE_BOOKKEEP, f) {
dma_fence_chain_for_each(f, f) {
struct dma_fence *tmp = dma_fence_chain_contained(f);
+ enum amdgpu_sync_mode mode = implicit_mode;
+
+ if (dma_resv_iter_usage(&cursor) >= DMA_RESV_USAGE_BOOKKEEP)
+ mode = explicit_mode;
if (amdgpu_sync_test_fence(adev, mode, owner, tmp)) {
r = amdgpu_sync_fence(sync, f);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h
index cf1e9e858efd..7758105a1d6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h
@@ -49,8 +49,8 @@ struct amdgpu_sync {
void amdgpu_sync_create(struct amdgpu_sync *sync);
int amdgpu_sync_fence(struct amdgpu_sync *sync, struct dma_fence *f);
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 *resv, enum amdgpu_sync_mode implicit_mode,
+ enum amdgpu_sync_mode explicit_mode, void *owner);
struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
struct amdgpu_ring *ring);
struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
index 31913ae86de6..f10332e1c6c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
@@ -51,7 +51,7 @@ static int amdgpu_vm_cpu_prepare(struct amdgpu_vm_update_params *p,
if (!resv)
return 0;
- return amdgpu_bo_sync_wait_resv(p->adev, resv, sync_mode, p->vm, true);
+ return amdgpu_bo_sync_wait_resv(p->adev, resv, sync_mode, sync_mode, p->vm, true);
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 349416e176a1..e259a51e7c56 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -98,7 +98,7 @@ static int amdgpu_vm_sdma_prepare(struct amdgpu_vm_update_params *p,
return 0;
amdgpu_sync_create(&sync);
- r = amdgpu_sync_resv(p->adev, &sync, resv, sync_mode, p->vm);
+ r = amdgpu_sync_resv(p->adev, &sync, resv, sync_mode, sync_mode, p->vm);
if (!r)
r = amdgpu_sync_push_to_job(&sync, p->job);
amdgpu_sync_free(&sync);
--
2.41.0
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