diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 73 |
1 files changed, 41 insertions, 32 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c index 69e105fa41f6..535cd6569bcc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c @@ -47,6 +47,32 @@ static int amdgpu_vm_sdma_map_table(struct amdgpu_bo_vm *table) return r; } +/* Allocate a new job for @count PTE updates */ +static int amdgpu_vm_sdma_alloc_job(struct amdgpu_vm_update_params *p, + unsigned int count) +{ + enum amdgpu_ib_pool_type pool = p->immediate ? AMDGPU_IB_POOL_IMMEDIATE + : AMDGPU_IB_POOL_DELAYED; + struct drm_sched_entity *entity = p->immediate ? &p->vm->immediate + : &p->vm->delayed; + unsigned int ndw; + int r; + + /* estimate how many dw we need */ + ndw = AMDGPU_VM_SDMA_MIN_NUM_DW; + if (p->pages_addr) + ndw += count * 2; + ndw = min(ndw, AMDGPU_VM_SDMA_MAX_NUM_DW); + + r = amdgpu_job_alloc_with_ib(p->adev, entity, AMDGPU_FENCE_OWNER_VM, + ndw * 4, pool, &p->job); + if (r) + return r; + + p->num_dw_left = ndw; + return 0; +} + /** * amdgpu_vm_sdma_prepare - prepare SDMA command submission * @@ -61,21 +87,22 @@ static int amdgpu_vm_sdma_prepare(struct amdgpu_vm_update_params *p, struct dma_resv *resv, enum amdgpu_sync_mode sync_mode) { - enum amdgpu_ib_pool_type pool = p->immediate ? AMDGPU_IB_POOL_IMMEDIATE - : AMDGPU_IB_POOL_DELAYED; - unsigned int ndw = AMDGPU_VM_SDMA_MIN_NUM_DW; + struct amdgpu_sync sync; int r; - r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, pool, &p->job); + r = amdgpu_vm_sdma_alloc_job(p, 0); if (r) return r; - p->num_dw_left = ndw; - if (!resv) return 0; - return amdgpu_sync_resv(p->adev, &p->job->sync, resv, sync_mode, p->vm); + amdgpu_sync_create(&sync); + r = amdgpu_sync_resv(p->adev, &sync, resv, sync_mode, p->vm); + if (!r) + r = amdgpu_sync_push_to_job(&sync, p->job); + amdgpu_sync_free(&sync); + return r; } /** @@ -91,20 +118,16 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, struct dma_fence **fence) { struct amdgpu_ib *ib = p->job->ibs; - struct drm_sched_entity *entity; struct amdgpu_ring *ring; struct dma_fence *f; - int r; - entity = p->immediate ? &p->vm->immediate : &p->vm->delayed; - ring = container_of(entity->rq->sched, struct amdgpu_ring, sched); + ring = container_of(p->vm->delayed.rq->sched, struct amdgpu_ring, + sched); WARN_ON(ib->length_dw == 0); amdgpu_ring_pad_ib(ring, ib); WARN_ON(ib->length_dw > p->num_dw_left); - r = amdgpu_job_submit(p->job, entity, AMDGPU_FENCE_OWNER_VM, &f); - if (r) - goto error; + f = amdgpu_job_submit(p->job); if (p->unlocked) { struct dma_fence *tmp = dma_fence_get(f); @@ -127,10 +150,6 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, } dma_fence_put(f); return 0; - -error: - amdgpu_job_free(p->job); - return r; } /** @@ -210,8 +229,6 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p, uint64_t flags) { struct amdgpu_bo *bo = &vmbo->bo; - enum amdgpu_ib_pool_type pool = p->immediate ? AMDGPU_IB_POOL_IMMEDIATE - : AMDGPU_IB_POOL_DELAYED; struct dma_resv_iter cursor; unsigned int i, ndw, nptes; struct dma_fence *fence; @@ -221,8 +238,10 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p, /* Wait for PD/PT moves to be completed */ dma_resv_iter_begin(&cursor, bo->tbo.base.resv, DMA_RESV_USAGE_KERNEL); dma_resv_for_each_fence_unlocked(&cursor, fence) { - r = amdgpu_sync_fence(&p->job->sync, fence); + dma_fence_get(fence); + r = drm_sched_job_add_dependency(&p->job->base, fence); if (r) { + dma_fence_put(fence); dma_resv_iter_end(&cursor); return r; } @@ -238,19 +257,9 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p, if (r) return r; - /* estimate how many dw we need */ - ndw = 32; - if (p->pages_addr) - ndw += count * 2; - ndw = max(ndw, AMDGPU_VM_SDMA_MIN_NUM_DW); - ndw = min(ndw, AMDGPU_VM_SDMA_MAX_NUM_DW); - - r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, pool, - &p->job); + r = amdgpu_vm_sdma_alloc_job(p, count); if (r) return r; - - p->num_dw_left = ndw; } if (!p->pages_addr) { |