From patchwork Thu Jun 24 14:00:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 75394 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1lwPuN-00ERzd-QX; Thu, 24 Jun 2021 14:00:44 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231846AbhFXODA (ORCPT + 1 other); Thu, 24 Jun 2021 10:03:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231819AbhFXOC5 (ORCPT ); Thu, 24 Jun 2021 10:02:57 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36753C061756 for ; Thu, 24 Jun 2021 07:00:37 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id j11-20020a05600c1c0bb02901e23d4c0977so5698907wms.0 for ; Thu, 24 Jun 2021 07:00:37 -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=TPQocFiX25NuojoIOLs32P4i36WVZlmMQlIhgnwCDKg=; b=AedUigsoMNuJmk0oKGB5cRGm+JKEXoFJQxV8I7htOIBBjJ4OF3J3ybeSEx5sB/K34P id9cQY5beO2XIxZ5LxTe5/Gbn0POV0XWMQfzFIqYTLZPapHnEcNJTGio++FHZkWRwpzX q55C26UKBOg8rfYOIsitBFVWEH2+NoO455pic= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=TPQocFiX25NuojoIOLs32P4i36WVZlmMQlIhgnwCDKg=; b=dzRir31LQPiBdH6J57EUp7skxphZxV7i4Z4gxyq8sWNntGtjgY42lbjbMQjGCCcL5B YMeDxNi+wRuPNHmk/9XCbfOEPkZLS1hN16tkh3rJEF34Z5oqN3WqxppeQBRtnhz+rOEF SRe0KfSvAIAtt2FtXBLCZjQctUUK7rEjT+JirQ4ZSxBI9yrndB6LNmjxFJLwB2dDvZRK VIcNJe1VcxFB3G6CrrQTRFKk2Ds2ZKt5i8FM2eInUG8bgnH/YhUOq/5//SVmIqL0+JzF H/LtCObPPdBZlWm2Dd1RyOkhtYkcHCCdMwoGfSaQZ/+tGPdUylqTpWOjyV4hFLLmTUxB yG9g== X-Gm-Message-State: AOAM531WLRsVOMp/zvcFSEulScuneSwVEgeVCHk0GwqLiCvzI+PSINzm 8jJSn3i4KjrM/s5YCP3aq69R9w== X-Google-Smtp-Source: ABdhPJy8chvuuNeh55H6aqxOZ9dJVOrHP+NXvZ1OJHbscUjZx11V2US2YzU/jzMXbFvHznEEPHl0yQ== X-Received: by 2002:a05:600c:1d04:: with SMTP id l4mr4268520wms.173.1624543235724; Thu, 24 Jun 2021 07:00:35 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id p5sm3600167wrd.25.2021.06.24.07.00.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jun 2021 07:00:35 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Daniel Vetter , Daniel Vetter , Rob Herring , Tomeu Vizoso , Steven Price , Alyssa Rosenzweig , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org Subject: [PATCH 04/11] drm/panfrost: use scheduler dependency tracking Date: Thu, 24 Jun 2021 16:00:18 +0200 Message-Id: <20210624140025.438303-5-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.32.0.rc2 In-Reply-To: <20210624140025.438303-1-daniel.vetter@ffwll.ch> References: <20210624140025.438303-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -3.2 (---) X-LSpam-Report: No, score=-3.2 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_LOW=-0.7 autolearn=ham autolearn_force=no Just deletes some code that's now more shared. Note that thanks to the split into drm_sched_job_init/arm we can now easily pull the _init() part from under the submission lock way ahead where we're adding the sync file in-fences as dependencies. Signed-off-by: Daniel Vetter Cc: Rob Herring Cc: Tomeu Vizoso Cc: Steven Price Cc: Alyssa Rosenzweig Cc: Sumit Semwal Cc: "Christian König" Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by: Steven Price --- drivers/gpu/drm/panfrost/panfrost_drv.c | 14 +++++++--- drivers/gpu/drm/panfrost/panfrost_job.c | 37 +++---------------------- drivers/gpu/drm/panfrost/panfrost_job.h | 5 +--- 3 files changed, 15 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index 1ffaef5ec5ff..79904f55c19f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -218,7 +218,7 @@ panfrost_copy_in_sync(struct drm_device *dev, if (ret) goto fail; - ret = drm_gem_fence_array_add(&job->deps, fence); + ret = drm_sched_job_await_fence(&job->base, fence); if (ret) goto fail; @@ -236,7 +236,7 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data, struct drm_panfrost_submit *args = data; struct drm_syncobj *sync_out = NULL; struct panfrost_job *job; - int ret = 0; + int ret = 0, slot; if (!args->jc) return -EINVAL; @@ -258,14 +258,20 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data, kref_init(&job->refcount); - xa_init_flags(&job->deps, XA_FLAGS_ALLOC); - job->pfdev = pfdev; job->jc = args->jc; job->requirements = args->requirements; job->flush_id = panfrost_gpu_get_latest_flush_id(pfdev); job->file_priv = file->driver_priv; + slot = panfrost_job_get_slot(job); + + ret = drm_sched_job_init(&job->base, + &job->file_priv->sched_entity[slot], + NULL); + if (ret) + goto fail_job; + ret = panfrost_copy_in_sync(dev, file, args, job); if (ret) goto fail_job; diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index 2d01a670a4e8..d097e52f8caa 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -109,7 +109,7 @@ static struct dma_fence *panfrost_fence_create(struct panfrost_device *pfdev, in return &fence->base; } -static int panfrost_job_get_slot(struct panfrost_job *job) +int panfrost_job_get_slot(struct panfrost_job *job) { /* JS0: fragment jobs. * JS1: vertex/tiler jobs @@ -198,13 +198,13 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js) static int panfrost_acquire_object_fences(struct drm_gem_object **bos, int bo_count, - struct xarray *deps) + struct drm_sched_job *job) { int i, ret; for (i = 0; i < bo_count; i++) { /* panfrost always uses write mode in its current uapi */ - ret = drm_gem_fence_array_add_implicit(deps, bos[i], true); + ret = drm_sched_job_await_implicit(job, bos[i], true); if (ret) return ret; } @@ -225,31 +225,21 @@ static void panfrost_attach_object_fences(struct drm_gem_object **bos, int panfrost_job_push(struct panfrost_job *job) { struct panfrost_device *pfdev = job->pfdev; - int slot = panfrost_job_get_slot(job); - struct drm_sched_entity *entity = &job->file_priv->sched_entity[slot]; struct ww_acquire_ctx acquire_ctx; int ret = 0; - ret = drm_gem_lock_reservations(job->bos, job->bo_count, &acquire_ctx); if (ret) return ret; mutex_lock(&pfdev->sched_lock); - - ret = drm_sched_job_init(&job->base, entity, NULL); - if (ret) { - mutex_unlock(&pfdev->sched_lock); - goto unlock; - } - drm_sched_job_arm(&job->base); job->render_done_fence = dma_fence_get(&job->base.s_fence->finished); ret = panfrost_acquire_object_fences(job->bos, job->bo_count, - &job->deps); + &job->base); if (ret) { mutex_unlock(&pfdev->sched_lock); goto unlock; @@ -274,15 +264,8 @@ static void panfrost_job_cleanup(struct kref *ref) { struct panfrost_job *job = container_of(ref, struct panfrost_job, refcount); - struct dma_fence *fence; - unsigned long index; unsigned int i; - xa_for_each(&job->deps, index, fence) { - dma_fence_put(fence); - } - xa_destroy(&job->deps); - dma_fence_put(job->done_fence); dma_fence_put(job->render_done_fence); @@ -321,17 +304,6 @@ static void panfrost_job_free(struct drm_sched_job *sched_job) panfrost_job_put(job); } -static struct dma_fence *panfrost_job_dependency(struct drm_sched_job *sched_job, - struct drm_sched_entity *s_entity) -{ - struct panfrost_job *job = to_panfrost_job(sched_job); - - if (!xa_empty(&job->deps)) - return xa_erase(&job->deps, job->last_dep++); - - return NULL; -} - static struct dma_fence *panfrost_job_run(struct drm_sched_job *sched_job) { struct panfrost_job *job = to_panfrost_job(sched_job); @@ -457,7 +429,6 @@ static enum drm_gpu_sched_stat panfrost_job_timedout(struct drm_sched_job } static const struct drm_sched_backend_ops panfrost_sched_ops = { - .dependency = panfrost_job_dependency, .run_job = panfrost_job_run, .timedout_job = panfrost_job_timedout, .free_job = panfrost_job_free diff --git a/drivers/gpu/drm/panfrost/panfrost_job.h b/drivers/gpu/drm/panfrost/panfrost_job.h index 82306a03b57e..77e6d0e6f612 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.h +++ b/drivers/gpu/drm/panfrost/panfrost_job.h @@ -19,10 +19,6 @@ struct panfrost_job { struct panfrost_device *pfdev; struct panfrost_file_priv *file_priv; - /* Contains both explicit and implicit fences */ - struct xarray deps; - unsigned long last_dep; - /* Fence to be signaled by IRQ handler when the job is complete. */ struct dma_fence *done_fence; @@ -42,6 +38,7 @@ int panfrost_job_init(struct panfrost_device *pfdev); void panfrost_job_fini(struct panfrost_device *pfdev); int panfrost_job_open(struct panfrost_file_priv *panfrost_priv); void panfrost_job_close(struct panfrost_file_priv *panfrost_priv); +int panfrost_job_get_slot(struct panfrost_job *job); int panfrost_job_push(struct panfrost_job *job); void panfrost_job_put(struct panfrost_job *job); void panfrost_job_enable_interrupts(struct panfrost_device *pfdev);