From patchwork Thu Jun 4 08:12:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11587325 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64125138C for ; Thu, 4 Jun 2020 08:12:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47E1F206C3 for ; Thu, 4 Jun 2020 08:12:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="RUvuRoaA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726939AbgFDIMg (ORCPT ); Thu, 4 Jun 2020 04:12:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726935AbgFDIMg (ORCPT ); Thu, 4 Jun 2020 04:12:36 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5F46C03E96D for ; Thu, 4 Jun 2020 01:12:35 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id h5so5030312wrc.7 for ; Thu, 04 Jun 2020 01:12:35 -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=Ys1lEmo1OrglME8cWbIXSVFR7KWfyvCPNKiL9IEbmhc=; b=RUvuRoaAUx3zoTg0dekOOqbI1T8Sgso/qeY9AgIY+69YkzMVoxVd2zcJLUgcBipdk7 bfLnFFHUCXlCtl7HOikMZEY9KbeA3ZJCmbGvpYaKPSFaizoR8g1G0iiiWixkm2fyo6ve uHh1ScOQIMEnMrZouE9W6fbm6RZuu2BrIaMFw= 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=Ys1lEmo1OrglME8cWbIXSVFR7KWfyvCPNKiL9IEbmhc=; b=AsUOFm8CtJhP15NukdQxaxW2dKJiPDqS5KfQn2azMn7dhuW5YUdKYzHEWY3ys4Jvw5 92OW22YJ5f4FUy2rgcDkc4bhe9+/pd0oDW5mX+tCts8P/dIuiLVhVNR2QcDVX7mrnTrO h8hyhgW0yLUSvLBidYN9maZMJzXlhmSakGWMkVe3qmDSJLYlKBXtnrtWZ4jBO0cbLjqe zCEKIIfoTNrs+cNOKIlv3Z3OXW4uBoecj6r0An+jwrqxYZJa3nBfx4C0njwvJut22V6n 6tT1Ajzcv1u5mYxrZJMFBe5tcj65Dy0zcj2Z1hxaWiTY66st5hw8xmqoN/q3rOHlbHjh jRdQ== X-Gm-Message-State: AOAM533wSoDjgIM4gqNri0ivPUETcqS/Zwkeq0i7E436FORE3GFThptk aw8Y4sMgdbKESFy1FdKN9baZil2u6eU= X-Google-Smtp-Source: ABdhPJyMtbbr4YZr5XgYcavaaABocIWgVVWO+6bIVkLH86w/gWfWScj44NFGJ8WhcZD+YmTAw14Znw== X-Received: by 2002:a5d:518b:: with SMTP id k11mr3495849wrv.58.1591258354483; Thu, 04 Jun 2020 01:12:34 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id f11sm6873305wrj.2.2020.06.04.01.12.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jun 2020 01:12:33 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , LKML , linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, Daniel Vetter , Daniel Vetter Subject: [PATCH 02/18] dma-buf: minor doc touch-ups Date: Thu, 4 Jun 2020 10:12:08 +0200 Message-Id: <20200604081224.863494-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200604081224.863494-1-daniel.vetter@ffwll.ch> References: <20200604081224.863494-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Just some tiny edits: - fix link to struct dma_fence - give slightly more meaningful title - the polling here is about implicit fences, explicit fences (in sync_file or drm_syncobj) also have their own polling Signed-off-by: Daniel Vetter Reviewed-by: Thomas Hellstrom --- drivers/dma-buf/dma-buf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 01ce125f8e8d..e018ef80451e 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -161,11 +161,11 @@ static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence) } /** - * DOC: fence polling + * DOC: implicit fence polling * * To support cross-device and cross-driver synchronization of buffer access - * implicit fences (represented internally in the kernel with &struct fence) can - * be attached to a &dma_buf. The glue for that and a few related things are + * implicit fences (represented internally in the kernel with &struct dma_fence) + * can be attached to a &dma_buf. The glue for that and a few related things are * provided in the &dma_resv structure. * * Userspace can query the state of these implicitly tracked fences using poll()