From 57210c19e4ee34f1e1986a05f6626fac55ba271f Mon Sep 17 00:00:00 2001 From: xinhui pan Date: Mon, 16 Mar 2020 11:45:14 +0800 Subject: [PATCH] drm_amdgpu: Add job fence to resv conditionally MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Job fence on page table should be a shared one, so add it to the root page talbe bo resv. last_delayed field is not needed anymore. so remove it. Cc: Christian König Cc: Alex Deucher Cc: Felix Kuehling Suggested-by: Christian König Signed-off-by: xinhui pan Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 ++-------------- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 11 ++++++----- 3 files changed, 8 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index b6c9603..870c7fb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1608,9 +1608,6 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, if (!dma_fence_is_signaled(vm->last_direct)) amdgpu_bo_fence(root, vm->last_direct, true); - - if (!dma_fence_is_signaled(vm->last_delayed)) - amdgpu_bo_fence(root, vm->last_delayed, true); } r = vm->update_funcs->prepare(¶ms, resv, sync_mode); @@ -2588,8 +2585,7 @@ bool amdgpu_vm_evictable(struct amdgpu_bo *bo) return false; /* Don't evict VM page tables while they are updated */ - if (!dma_fence_is_signaled(bo_base->vm->last_direct) || - !dma_fence_is_signaled(bo_base->vm->last_delayed)) { + if (!dma_fence_is_signaled(bo_base->vm->last_direct)) { amdgpu_vm_eviction_unlock(bo_base->vm); return false; } @@ -2766,11 +2762,7 @@ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) if (timeout <= 0) return timeout; - timeout = dma_fence_wait_timeout(vm->last_direct, true, timeout); - if (timeout <= 0) - return timeout; - - return dma_fence_wait_timeout(vm->last_delayed, true, timeout); + return dma_fence_wait_timeout(vm->last_direct, true, timeout); } /** @@ -2843,7 +2835,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, vm->update_funcs = &amdgpu_vm_sdma_funcs; vm->last_update = NULL; vm->last_direct = dma_fence_get_stub(); - vm->last_delayed = dma_fence_get_stub(); mutex_init(&vm->eviction_lock); vm->evicting = false; @@ -2898,7 +2889,6 @@ error_free_root: error_free_delayed: dma_fence_put(vm->last_direct); - dma_fence_put(vm->last_delayed); drm_sched_entity_destroy(&vm->delayed); error_free_direct: @@ -3101,8 +3091,6 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) dma_fence_wait(vm->last_direct, false); dma_fence_put(vm->last_direct); - dma_fence_wait(vm->last_delayed, false); - dma_fence_put(vm->last_delayed); list_for_each_entry_safe(mapping, tmp, &vm->freed, list) { if (mapping->flags & AMDGPU_PTE_PRT && prt_fini_needed) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index d00648e..06fe30e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -276,7 +276,6 @@ struct amdgpu_vm { /* Last submission to the scheduler entities */ struct dma_fence *last_direct; - struct dma_fence *last_delayed; unsigned int pasid; /* dedicated to vm */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c index 4cc7881..cf96c33 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c @@ -104,12 +104,13 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, if (r) goto error; - tmp = dma_fence_get(f); - if (p->direct) + if (p->direct) { + tmp = dma_fence_get(f); swap(p->vm->last_direct, tmp); - else - swap(p->vm->last_delayed, tmp); - dma_fence_put(tmp); + dma_fence_put(tmp); + } else { + dma_resv_add_shared_fence(p->vm->root.base.bo->tbo.base.resv, f); + } if (fence && !p->direct) swap(*fence, f); -- 2.7.4