From patchwork Thu Mar 31 20:46:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12797679 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 068FAC433EF for ; Thu, 31 Mar 2022 20:47:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241514AbiCaUsr (ORCPT ); Thu, 31 Mar 2022 16:48:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233946AbiCaUsq (ORCPT ); Thu, 31 Mar 2022 16:48:46 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B77221EC61E for ; Thu, 31 Mar 2022 13:46:57 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id h23so1386155wrb.8 for ; Thu, 31 Mar 2022 13:46:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ixXrgYXyusCqS9U7IffPsFFQ/azMDwZfu0gvUTK9Bx0=; b=QnJnNv95ZO7oppiV7mf7cWBNhQPhLj6ppQvu9mwgtoPXURTWikvR4y3I1gC0H/Py0F lpx5A7OCCeaG653XU0ysnIJwsP77NYUTYKSnItkZd8SrATJh2eSmIx8AqWjf5ziLMEpM eTfPtuig1Z4Imxj4wH4LEls2YzSiY8KwjeV10= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ixXrgYXyusCqS9U7IffPsFFQ/azMDwZfu0gvUTK9Bx0=; b=VVz3C8SxlL6bo5CWGCd7xsZYaK2rYABvpjGEbC+RkaUek8GfPHqW4aNFrC9u1fQVUR KKXuuIq15ByWh/uT+pRzVOBOaRXUUjZpbnYPXKKDlxsERr9DgOXuO7qtVdcVHaP73/lw VZDwDkfa9T6EwjJnrQ9OCHvS05z8s1Nx3rnmBOXWm0BOEPjuG1VmK6VSVWzSre4E/KWK UxccYX5QAwlTLDmW0bDaGM1KWoSIGd6X6ojotp42M65HfrzpGtGVzmI84p+FytnpiIq7 4DFMGP12Fdcx1QdD0VWu8pTamvzkOfnSKcsZltCv/nSDjKgYBn3tUH4KkLOXTd2Ok114 OIaA== X-Gm-Message-State: AOAM530fc3ToPYjx8YgkgnZWYuCu6lQLHGWpRRPpN8cfcKSS8VWHOqPs TKCh4n1vpYaNQcwmax9u48ukLQ== X-Google-Smtp-Source: ABdhPJzZpl1E22G/H9ru/QE6PMGHcGQcJUz17wpVlgljQDc4aYfieokSI5ERicjqGCZvhshDqMHavA== X-Received: by 2002:a5d:59a2:0:b0:204:20d9:a5b9 with SMTP id p2-20020a5d59a2000000b0020420d9a5b9mr5117078wrr.560.1648759616332; Thu, 31 Mar 2022 13:46:56 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id b15-20020a05600018af00b002057c72d45fsm480319wri.77.2022.03.31.13.46.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Mar 2022 13:46:55 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Daniel Vetter , Daniel Vetter , Lucas Stach , Russell King , Christian Gmeiner , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , etnaviv@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org Subject: [PATCH 1/4] drm/etnaviv: Use scheduler dependency handling Date: Thu, 31 Mar 2022 22:46:48 +0200 Message-Id: <20220331204651.2699107-2-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220331204651.2699107-1-daniel.vetter@ffwll.ch> References: <20220331204651.2699107-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We need to pull the drm_sched_job_init much earlier, but that's very minor surgery. v2: Actually fix up cleanup paths by calling drm_sched_job_init, which I wanted to to in the previous round (and did, for all other drivers). Spotted by Lucas. v3: Rebase over renamed functions to add dependencies. v4: Rebase over patches from Christian. v5: More rebasing over work from Christian. Signed-off-by: Daniel Vetter Cc: Lucas Stach Cc: Russell King Cc: Christian Gmeiner Cc: Sumit Semwal Cc: "Christian König" Cc: etnaviv@lists.freedesktop.org Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by: Christian König Acked-by: Lucas Stach --- drivers/gpu/drm/etnaviv/etnaviv_gem.h | 4 +- drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 51 +++++++++++-------- drivers/gpu/drm/etnaviv/etnaviv_sched.c | 53 +------------------- drivers/gpu/drm/etnaviv/etnaviv_sched.h | 3 +- 4 files changed, 35 insertions(+), 76 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h index 8983a0ef383e..63688e6e4580 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h @@ -80,8 +80,6 @@ struct etnaviv_gem_submit_bo { u64 va; struct etnaviv_gem_object *obj; struct etnaviv_vram_mapping *mapping; - unsigned int nr_fences; - struct dma_fence **fences; }; /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc, @@ -94,7 +92,7 @@ struct etnaviv_gem_submit { struct etnaviv_file_private *ctx; struct etnaviv_gpu *gpu; struct etnaviv_iommu_context *mmu_context, *prev_mmu_context; - struct dma_fence *out_fence, *in_fence; + struct dma_fence *out_fence; int out_fence_id; struct list_head node; /* GPU active submit list */ struct etnaviv_cmdbuf cmdbuf; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 592cbb38609a..5f502c49aec2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -188,9 +188,9 @@ static int submit_fence_sync(struct etnaviv_gem_submit *submit) if (submit->flags & ETNA_SUBMIT_NO_IMPLICIT) continue; - ret = dma_resv_get_fences(robj, - bo->flags & ETNA_SUBMIT_BO_WRITE, - &bo->nr_fences, &bo->fences); + ret = drm_sched_job_add_implicit_dependencies(&submit->sched_job, + &bo->obj->base, + bo->flags & ETNA_SUBMIT_BO_WRITE); if (ret) return ret; } @@ -398,8 +398,6 @@ static void submit_cleanup(struct kref *kref) wake_up_all(&submit->gpu->fence_event); - if (submit->in_fence) - dma_fence_put(submit->in_fence); if (submit->out_fence) { /* first remove from IDR, so fence can not be found anymore */ mutex_lock(&submit->gpu->fence_lock); @@ -530,58 +528,69 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, ret = etnaviv_cmdbuf_init(priv->cmdbuf_suballoc, &submit->cmdbuf, ALIGN(args->stream_size, 8) + 8); if (ret) - goto err_submit_objects; + goto err_submit_put; submit->ctx = file->driver_priv; submit->mmu_context = etnaviv_iommu_context_get(submit->ctx->mmu); submit->exec_state = args->exec_state; submit->flags = args->flags; + ret = drm_sched_job_init(&submit->sched_job, + &ctx->sched_entity[args->pipe], + submit->ctx); + if (ret) + goto err_submit_put; + ret = submit_lookup_objects(submit, file, bos, args->nr_bos); if (ret) - goto err_submit_objects; + goto err_submit_job; if ((priv->mmu_global->version != ETNAVIV_IOMMU_V2) && !etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4, relocs, args->nr_relocs)) { ret = -EINVAL; - goto err_submit_objects; + goto err_submit_job; } if (args->flags & ETNA_SUBMIT_FENCE_FD_IN) { - submit->in_fence = sync_file_get_fence(args->fence_fd); - if (!submit->in_fence) { + struct dma_fence *in_fence = sync_file_get_fence(args->fence_fd); + if (!in_fence) { ret = -EINVAL; - goto err_submit_objects; + goto err_submit_job; } + + ret = drm_sched_job_add_dependency(&submit->sched_job, + in_fence); + if (ret) + goto err_submit_job; } ret = submit_pin_objects(submit); if (ret) - goto err_submit_objects; + goto err_submit_job; ret = submit_reloc(submit, stream, args->stream_size / 4, relocs, args->nr_relocs); if (ret) - goto err_submit_objects; + goto err_submit_job; ret = submit_perfmon_validate(submit, args->exec_state, pmrs); if (ret) - goto err_submit_objects; + goto err_submit_job; memcpy(submit->cmdbuf.vaddr, stream, args->stream_size); ret = submit_lock_objects(submit, &ticket); if (ret) - goto err_submit_objects; + goto err_submit_job; ret = submit_fence_sync(submit); if (ret) - goto err_submit_objects; + goto err_submit_job; - ret = etnaviv_sched_push_job(&ctx->sched_entity[args->pipe], submit); + ret = etnaviv_sched_push_job(submit); if (ret) - goto err_submit_objects; + goto err_submit_job; submit_attach_object_fences(submit); @@ -595,7 +604,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, sync_file = sync_file_create(submit->out_fence); if (!sync_file) { ret = -ENOMEM; - goto err_submit_objects; + goto err_submit_job; } fd_install(out_fence_fd, sync_file->file); } @@ -603,7 +612,9 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, args->fence_fd = out_fence_fd; args->fence = submit->out_fence_id; -err_submit_objects: +err_submit_job: + drm_sched_job_cleanup(&submit->sched_job); +err_submit_put: etnaviv_submit_put(submit); err_submit_ww_acquire: diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c index a8452ce10e3a..72e2553fbc98 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c @@ -17,48 +17,6 @@ module_param_named(job_hang_limit, etnaviv_job_hang_limit, int , 0444); static int etnaviv_hw_jobs_limit = 4; module_param_named(hw_job_limit, etnaviv_hw_jobs_limit, int , 0444); -static struct dma_fence * -etnaviv_sched_dependency(struct drm_sched_job *sched_job, - struct drm_sched_entity *entity) -{ - struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job); - struct dma_fence *fence; - int i; - - if (unlikely(submit->in_fence)) { - fence = submit->in_fence; - submit->in_fence = NULL; - - if (!dma_fence_is_signaled(fence)) - return fence; - - dma_fence_put(fence); - } - - for (i = 0; i < submit->nr_bos; i++) { - struct etnaviv_gem_submit_bo *bo = &submit->bos[i]; - int j; - - for (j = 0; j < bo->nr_fences; j++) { - if (!bo->fences[j]) - continue; - - fence = bo->fences[j]; - bo->fences[j] = NULL; - - if (!dma_fence_is_signaled(fence)) - return fence; - - dma_fence_put(fence); - } - kfree(bo->fences); - bo->nr_fences = 0; - bo->fences = NULL; - } - - return NULL; -} - static struct dma_fence *etnaviv_sched_run_job(struct drm_sched_job *sched_job) { struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job); @@ -132,29 +90,22 @@ static void etnaviv_sched_free_job(struct drm_sched_job *sched_job) } static const struct drm_sched_backend_ops etnaviv_sched_ops = { - .dependency = etnaviv_sched_dependency, .run_job = etnaviv_sched_run_job, .timedout_job = etnaviv_sched_timedout_job, .free_job = etnaviv_sched_free_job, }; -int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity, - struct etnaviv_gem_submit *submit) +int etnaviv_sched_push_job(struct etnaviv_gem_submit *submit) { int ret = 0; /* * Hold the fence lock across the whole operation to avoid jobs being * pushed out of order with regard to their sched fence seqnos as - * allocated in drm_sched_job_init. + * allocated in drm_sched_job_arm. */ mutex_lock(&submit->gpu->fence_lock); - ret = drm_sched_job_init(&submit->sched_job, sched_entity, - submit->ctx); - if (ret) - goto out_unlock; - drm_sched_job_arm(&submit->sched_job); submit->out_fence = dma_fence_get(&submit->sched_job.s_fence->finished); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.h b/drivers/gpu/drm/etnaviv/etnaviv_sched.h index c0a6796e22c9..baebfa069afc 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.h @@ -18,7 +18,6 @@ struct etnaviv_gem_submit *to_etnaviv_submit(struct drm_sched_job *sched_job) int etnaviv_sched_init(struct etnaviv_gpu *gpu); void etnaviv_sched_fini(struct etnaviv_gpu *gpu); -int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity, - struct etnaviv_gem_submit *submit); +int etnaviv_sched_push_job(struct etnaviv_gem_submit *submit); #endif /* __ETNAVIV_SCHED_H__ */ From patchwork Thu Mar 31 20:46:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12797680 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC009C433F5 for ; Thu, 31 Mar 2022 20:47:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241516AbiCaUsr (ORCPT ); Thu, 31 Mar 2022 16:48:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234435AbiCaUsq (ORCPT ); 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Signed-off-by: Daniel Vetter Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann Cc: David Airlie Cc: Daniel Vetter Cc: Sumit Semwal Cc: "Christian König" Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Acked-by: Christian König --- drivers/gpu/drm/drm_gem.c | 80 --------------------------------------- include/drm/drm_gem.h | 5 --- 2 files changed, 85 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 56fb87885146..133dfae06fab 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -1273,83 +1273,3 @@ drm_gem_unlock_reservations(struct drm_gem_object **objs, int count, ww_acquire_fini(acquire_ctx); } EXPORT_SYMBOL(drm_gem_unlock_reservations); - -/** - * drm_gem_fence_array_add - Adds the fence to an array of fences to be - * waited on, deduplicating fences from the same context. - * - * @fence_array: array of dma_fence * for the job to block on. - * @fence: the dma_fence to add to the list of dependencies. - * - * This functions consumes the reference for @fence both on success and error - * cases. - * - * Returns: - * 0 on success, or an error on failing to expand the array. - */ -int drm_gem_fence_array_add(struct xarray *fence_array, - struct dma_fence *fence) -{ - struct dma_fence *entry; - unsigned long index; - u32 id = 0; - int ret; - - if (!fence) - return 0; - - /* Deduplicate if we already depend on a fence from the same context. - * This lets the size of the array of deps scale with the number of - * engines involved, rather than the number of BOs. - */ - xa_for_each(fence_array, index, entry) { - if (entry->context != fence->context) - continue; - - if (dma_fence_is_later(fence, entry)) { - dma_fence_put(entry); - xa_store(fence_array, index, fence, GFP_KERNEL); - } else { - dma_fence_put(fence); - } - return 0; - } - - ret = xa_alloc(fence_array, &id, fence, xa_limit_32b, GFP_KERNEL); - if (ret != 0) - dma_fence_put(fence); - - return ret; -} -EXPORT_SYMBOL(drm_gem_fence_array_add); - -/** - * drm_gem_fence_array_add_implicit - Adds the implicit dependencies tracked - * in the GEM object's reservation object to an array of dma_fences for use in - * scheduling a rendering job. - * - * This should be called after drm_gem_lock_reservations() on your array of - * GEM objects used in the job but before updating the reservations with your - * own fences. - * - * @fence_array: array of dma_fence * for the job to block on. - * @obj: the gem object to add new dependencies from. - * @write: whether the job might write the object (so we need to depend on - * shared fences in the reservation object). - */ -int drm_gem_fence_array_add_implicit(struct xarray *fence_array, - struct drm_gem_object *obj, - bool write) -{ - struct dma_resv_iter cursor; - struct dma_fence *fence; - int ret = 0; - - dma_resv_for_each_fence(&cursor, obj->resv, write, fence) { - ret = drm_gem_fence_array_add(fence_array, fence); - if (ret) - break; - } - return ret; -} -EXPORT_SYMBOL(drm_gem_fence_array_add_implicit); diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index e2941cee14b6..9d7c61a122dc 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -407,11 +407,6 @@ int drm_gem_lock_reservations(struct drm_gem_object **objs, int count, struct ww_acquire_ctx *acquire_ctx); void drm_gem_unlock_reservations(struct drm_gem_object **objs, int count, struct ww_acquire_ctx *acquire_ctx); -int drm_gem_fence_array_add(struct xarray *fence_array, - struct dma_fence *fence); -int drm_gem_fence_array_add_implicit(struct xarray *fence_array, - struct drm_gem_object *obj, - bool write); int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, u32 handle, u64 *offset);