From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FCA4C433F5 for ; Fri, 17 Sep 2021 15:28:46 +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 3D82E610C7 for ; Fri, 17 Sep 2021 15:28:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3D82E610C7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=poorly.run Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5BC976ED98; Fri, 17 Sep 2021 15:28:45 +0000 (UTC) Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC8E56ED98 for ; Fri, 17 Sep 2021 15:28:44 +0000 (UTC) Received: by mail-qt1-x829.google.com with SMTP id u21so9061798qtw.8 for ; Fri, 17 Sep 2021 08:28:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=poorly.run; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=FuUl9aOPg9QPdrIHV0biXxlqCjl1iKxoc7c2hM70or8=; b=EP6dopb5uZ6xB7hk7smmHCo5rwSq/qA3gjv1iMAmKJMLQsW6PnAFBunN/1xmi1hXu6 2GML45WWK+Qy4uu/0tuA8sliENLT25yh//O1S3sl0FUEBZsX81zfA5koKK94JNQnFHH1 uz3yvspNzd7So2lSSZQVZt9Wr8Jlirf92luhT2KUG6Z6wKYAibqX193EJntyfbxgsA/v WfM3db9CQdmLuWmo5lrr7gjzVjxTDrN42OVTS1cpGd82NpyAn46eVqVhuI0PSNNvgC0B R8oBexpwsV8NVpFPts3OtNTB38vP5ToFW1dyoMM0N/XyctmB0nORrD44BWtEGhK79E9J 2N5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=FuUl9aOPg9QPdrIHV0biXxlqCjl1iKxoc7c2hM70or8=; b=pvBzTS/Rqq0j1VDUDFA/xgsR1K2kGvMq54+nF1MR/gYpFKMnvPDLMbm6/4fQQW9gbu TmVLKNNtCjDpBnSCFCxEtF3cJXkiETc12/vxlabPuvSrHnr6IYacRtJhsdr1PSoXiReh L0v+yxffz6bOQOFSqGHiGs+no+wNgoj0+4H1GAwtF2fqYo4CTal5qKoeWje+QwdCWgwh RM/Cjyp5SXWLtAO3vrypx7ETtJGGalKPSoPHZKwehuRwfAsRjSG6fmX+/6Sa3Z67p07M C6A1ZFV5Efh6KxAn6IyEcc4eiGvZtNpl2xywzFJ03P2By+7Qs91F8mC/hDn5Hswk1ie/ Z3jw== X-Gm-Message-State: AOAM531bY8vEkPIM8fhnUibo9muKgVSbRFNUDnrGqjaiRDjlNjTqRJ8U xCgbzcFGom72brgMTT8CHEI+Mw== X-Google-Smtp-Source: ABdhPJz+1IlUibrmV063aG8RG51cYbX7TCpqGdEoZMmlxd6qClcPIVgP6f5A94RrfNPtSYy6ER/Jeg== X-Received: by 2002:a05:622a:1347:: with SMTP id w7mr10705287qtk.325.1631892523996; Fri, 17 Sep 2021 08:28:43 -0700 (PDT) Received: from localhost ([167.100.64.199]) by smtp.gmail.com with ESMTPSA id l1sm1746827qkj.65.2021.09.17.08.28.43 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 17 Sep 2021 08:28:43 -0700 (PDT) Date: Fri, 17 Sep 2021 11:28:42 -0400 From: Sean Paul To: Fernando Ramos Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, sean@poorly.run, linux-doc@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org Message-ID: <20210917152842.GA2515@art_vandelay> References: <20210916211552.33490-1-greenfoo@u92.eu> <20210916211552.33490-2-greenfoo@u92.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210916211552.33490-2-greenfoo@u92.eu> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [Nouveau] [PATCH 01/15] dmr: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN() X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces@lists.freedesktop.org Sender: "Nouveau" On Thu, Sep 16, 2021 at 11:15:38PM +0200, Fernando Ramos wrote: > As requested in Documentation/gpu/todo.rst, replace the boilerplate code > surrounding drm_modeset_lock_all_ctx() with DRM_MODESET_LOCK_ALL_BEGIN() > and DRM_MODESET_LOCK_ALL_END() > Hi Fernando, Thank you for your patch. Could you please fix the subject, changing dmr to drm? > Signed-off-by: Fernando Ramos > --- > drivers/gpu/drm/drm_client_modeset.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c > index ced09c7c06f9..5f5184f071ed 100644 > --- a/drivers/gpu/drm/drm_client_modeset.c > +++ b/drivers/gpu/drm/drm_client_modeset.c > @@ -574,6 +574,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > int num_connectors_detected = 0; > int num_tiled_conns = 0; > struct drm_modeset_acquire_ctx ctx; > + int err; I think you can just reuse 'ret' instead of creating a new variable. That ensures if the lock fails we return the error from the macros. Sean > > if (!drm_drv_uses_atomic_modeset(dev)) > return false; > @@ -585,10 +586,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > if (!save_enabled) > return false; > > - drm_modeset_acquire_init(&ctx, 0); > - > - while (drm_modeset_lock_all_ctx(dev, &ctx) != 0) > - drm_modeset_backoff(&ctx); > + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, err); > > memcpy(save_enabled, enabled, count); > mask = GENMASK(count - 1, 0); > @@ -743,8 +741,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > ret = false; > } > > - drm_modeset_drop_locks(&ctx); > - drm_modeset_acquire_fini(&ctx); > + DRM_MODESET_LOCK_ALL_END(dev, ctx, err); > > kfree(save_enabled); > return ret; > -- > 2.33.0 > -- Sean Paul, Software Engineer, Google / Chromium OS