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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E61F8CA0FFD for ; Fri, 29 Aug 2025 18:21:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 676FD10EC21; Fri, 29 Aug 2025 18:21:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="fBzxdt6p"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6593010EC21; Fri, 29 Aug 2025 18:21:11 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id E427E45410; Fri, 29 Aug 2025 18:21:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D628C4CEF4; Fri, 29 Aug 2025 18:21:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756491670; bh=BQjci8KA9KRIrfOxe+R7ISy9o/J0YO0Tqyp01cTUx7A=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=fBzxdt6p/s0vBaqCGm6GWMs9L2kRJs+tcqEnbQjbLDmRciCgte+dMbPDyWUm2asI5 nW07NcZNwlZz4qMWyUCwjrCtmtXWXw2BwQi4XIn+fafHNZAlJATNCE1fCfquIXz0az iSyEdyfYy3OnoGdNLKrWVzL9h/T4NpktzONrKvwNxmZ2fByr5Zs0GJXyVGqaYolzDy oDep5TNrmNX769NgQe4W2ufF5d9cAip5eeJNyF5DlWfKoan9iC9YRkpyy1TmF9o4KE aK1uQrfHJOn2nihg3aoi0zX3RkGnScpGJIhqeczSCCCgU9OLh5qyrtX6dguaIG7A6l T4k9fLJSq/D1g== Message-ID: <825bb276-3421-4697-86fa-ba231cd799a7@kernel.org> Date: Fri, 29 Aug 2025 20:21:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] nouveau: Membar before between semaphore writes and the interrupt To: Dave Airlie Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org References: <20250829021633.1674524-1-airlied@gmail.com> <20250829021633.1674524-2-airlied@gmail.com> From: Danilo Krummrich Content-Language: en-US In-Reply-To: <20250829021633.1674524-2-airlied@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 8/29/25 4:16 AM, Dave Airlie wrote: > From: Faith Ekstrand > > This ensures that the memory write and the interrupt are properly > ordered and we won't wake up the kernel before the semaphore write has > hit memory. > > Fixes: b1ca384772b6 ("drm/nouveau/gv100-: switch to volta semaphore methods") > Cc: stable@vger.kernel.org > Signed-off-by: Faith Ekstrand > Signed-off-by: Dave Airlie Applied to drm-misc-fixes, thanks!