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: 11587351 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 57D2E138C for ; Thu, 4 Jun 2020 08:12:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 366E5207DA for ; Thu, 4 Jun 2020 08:12:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="RUvuRoaA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 366E5207DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DB0D66E2D3; Thu, 4 Jun 2020 08:12:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1F8C76E2B2 for ; Thu, 4 Jun 2020 08:12:36 +0000 (UTC) Received: by mail-wr1-x441.google.com with SMTP id e1so5052546wrt.5 for ; Thu, 04 Jun 2020 01:12:36 -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=L07hnn8CACFGNCfO9a0eT7SUsI1KhmQl976akiQD3Hh0je34hWHmhxWSQ0sLc51/Wc 1U4AjedAekOABN7VtRtX+62PA0R4f+hB0N4ZDCToLpvYFVC2VrA1Om7B5f6jP+/qU7v+ qi4gDk6tR9VgkKIEHjvbcQycx8IaCI419PmOTgbyemKfhBtHdJWWbJSxFO7R8YEDWgND LH97UYE8P2EbRGUAF2/H/lztZ09P3Ydxmf06SY90DyV2x83CEvHHq8TsPn4ggHWrzlrk JRMQxd48hvR5od3euIIM05+wE81BbWpQzYNqeQPH6UOAY+Lf2AcrEog5uAxGbEJ6J/eN edcQ== X-Gm-Message-State: AOAM530r3KX9iZOtqccfa0oU+BI3YZf8IiVZGL0SGGRaGdK9GCqb1/sm j6FD8CJFIY2aBADlFEst1tP6JpeMgew= 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 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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rdma@vger.kernel.org, Daniel Vetter , Intel Graphics Development , LKML , amd-gfx@lists.freedesktop.org, Daniel Vetter Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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()