From patchwork Thu Oct 29 16:04:58 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 7519831 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 195849F399 for ; Thu, 29 Oct 2015 16:05:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1F13F2080D for ; Thu, 29 Oct 2015 16:05:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 9732720812 for ; Thu, 29 Oct 2015 16:05:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 63A236E6A6; Thu, 29 Oct 2015 09:05:40 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id 8BF116E6B1 for ; Thu, 29 Oct 2015 09:05:31 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix1 Daemon) with ESMTP id 496DE260208; Thu, 29 Oct 2015 17:05:31 +0100 (CET) X-Virus-Scanned: amavisd-new at vodafone.de X-Spam-Score: -0.044 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Authentication-Results: rohrpostix1.prod.vfnet.de (amavisd-new); dkim=pass header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix1.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vfOiifQjjLfq; Thu, 29 Oct 2015 17:05:25 +0100 (CET) Received: from smtp-03.vodafone.de (smtp-03.vodafone.de [10.215.254.38]) by pegasos-out.vodafone.de (Rohrpostix1 Daemon) with ESMTP id 84F85260062; Thu, 29 Oct 2015 17:05:25 +0100 (CET) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 84F85260062 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1446134725; bh=OtXmgsqkVyyq2UwFXpW2f8boNJee/hcem7yt4Fg2mZI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=oL8YB65f42HxAlxTyM45pkNXS2BooN9ir6V9SS7F39C5GK3snG9AwsvsXpkbYedvn GSMuHV/Z84c+a/YG2kp57uFCzWDa9JQiKrCEu3/wYPDTX3ta0rnMS7zfpUXrfF3QqY B1bWUr+BQs1qV90omBG26+SfVq99b2YzCdZwuUCg= X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-03.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz7.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9KiwHSCTr9cr; Thu, 29 Oct 2015 17:05:23 +0100 (CET) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: alexdeucher@gmail.com Subject: [PATCH 4/9] drm/amdgpu: switch to common fence_wait_any_timeout v2 Date: Thu, 29 Oct 2015 17:04:58 +0100 Message-Id: <1446134703-32433-5-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446134703-32433-1-git-send-email-deathsimple@vodafone.de> References: <1446134703-32433-1-git-send-email-deathsimple@vodafone.de> MIME-Version: 1.0 Cc: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König No need to duplicate the functionality any more. v2: fix handling if no fence is available. Signed-off-by: Christian König Reviewed-by: Alex Deucher (v1) --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 -- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 98 ------------------------------- drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 20 ++++--- 3 files changed, 13 insertions(+), 109 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a9c0def..dd7d2ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -447,10 +447,6 @@ int amdgpu_fence_wait_next(struct amdgpu_ring *ring); int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring); -signed long amdgpu_fence_wait_any(struct fence **array, - uint32_t count, - bool intr, - signed long t); struct amdgpu_fence *amdgpu_fence_ref(struct amdgpu_fence *fence); void amdgpu_fence_unref(struct amdgpu_fence **fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 663caa9..c4bb282 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -822,104 +822,6 @@ static const char *amdgpu_fence_get_timeline_name(struct fence *f) return (const char *)fence->ring->name; } -static bool amdgpu_test_signaled_any(struct fence **fences, uint32_t count) -{ - int idx; - struct fence *fence; - - for (idx = 0; idx < count; ++idx) { - fence = fences[idx]; - if (fence) { - if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags)) - return true; - } - } - return false; -} - -struct amdgpu_wait_cb { - struct fence_cb base; - struct task_struct *task; -}; - -static void amdgpu_fence_wait_cb(struct fence *fence, struct fence_cb *cb) -{ - struct amdgpu_wait_cb *wait = - container_of(cb, struct amdgpu_wait_cb, base); - wake_up_process(wait->task); -} - -/** - * Wait the fence array with timeout - * - * @array: the fence array with amdgpu fence pointer - * @count: the number of the fence array - * @intr: when sleep, set the current task interruptable or not - * @t: timeout to wait - * - * It will return when any fence is signaled or timeout. - */ -signed long amdgpu_fence_wait_any(struct fence **array, uint32_t count, - bool intr, signed long t) -{ - struct amdgpu_wait_cb *cb; - struct fence *fence; - unsigned idx; - - BUG_ON(!array); - - cb = kcalloc(count, sizeof(struct amdgpu_wait_cb), GFP_KERNEL); - if (cb == NULL) { - t = -ENOMEM; - goto err_free_cb; - } - - for (idx = 0; idx < count; ++idx) { - fence = array[idx]; - if (fence) { - cb[idx].task = current; - if (fence_add_callback(fence, - &cb[idx].base, amdgpu_fence_wait_cb)) { - /* The fence is already signaled */ - goto fence_rm_cb; - } - } - } - - while (t > 0) { - if (intr) - set_current_state(TASK_INTERRUPTIBLE); - else - set_current_state(TASK_UNINTERRUPTIBLE); - - /* - * amdgpu_test_signaled_any must be called after - * set_current_state to prevent a race with wake_up_process - */ - if (amdgpu_test_signaled_any(array, count)) - break; - - t = schedule_timeout(t); - - if (t > 0 && intr && signal_pending(current)) - t = -ERESTARTSYS; - } - - __set_current_state(TASK_RUNNING); - -fence_rm_cb: - for (idx = 0; idx < count; ++idx) { - fence = array[idx]; - if (fence && cb[idx].base.func) - fence_remove_callback(fence, &cb[idx].base); - } - -err_free_cb: - kfree(cb); - - return t; -} - const struct fence_ops amdgpu_fence_ops = { .get_driver_name = amdgpu_fence_get_driver_name, .get_timeline_name = amdgpu_fence_get_timeline_name, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 5cb27d5..3f48759 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -337,6 +337,7 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev, { struct fence *fences[AMDGPU_MAX_RINGS]; unsigned tries[AMDGPU_MAX_RINGS]; + unsigned count; int i, r; signed long t; @@ -371,13 +372,18 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev, /* see if we can skip over some allocations */ } while (amdgpu_sa_bo_next_hole(sa_manager, fences, tries)); - spin_unlock(&sa_manager->wq.lock); - t = amdgpu_fence_wait_any(fences, AMDGPU_MAX_RINGS, - false, MAX_SCHEDULE_TIMEOUT); - r = (t > 0) ? 0 : t; - spin_lock(&sa_manager->wq.lock); - /* if we have nothing to wait for block */ - if (r == -ENOENT) { + for (i = 0, count = 0; i < AMDGPU_MAX_RINGS; ++i) + if (fences[i]) + fences[count++] = fences[i]; + + if (count) { + spin_unlock(&sa_manager->wq.lock); + t = fence_wait_any_timeout(fences, count, false, + MAX_SCHEDULE_TIMEOUT); + r = (t > 0) ? 0 : t; + spin_lock(&sa_manager->wq.lock); + } else { + /* if we have nothing to wait for block */ r = wait_event_interruptible_locked( sa_manager->wq, amdgpu_sa_event(sa_manager, size, align)