From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C3E21EB5FC; Tue, 1 Apr 2025 13:20:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743513622; cv=pass; b=eZGt8dX88LQpVjpWQfCh0MYZfSzQOYBJ+Fkn9AR7V0ZFELh0KUOsawPyu69eXp3Fr37mdllg2fPvwuWvliKSrhs68JDPmIa/6gqzFi1zqD5CmGctxKYIqpD+nId7S+c+TbpJc+foVjccjbvb+pft3F7FvGIzzBslf8vGNWd94gk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743513622; c=relaxed/simple; bh=936t3Y62g/caIH2Gp0NwrIIseCHFNvnPEZQOPCayFj8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=c3zH7Fa4LAG8HM7Z4ssXvBFULJImzm8ePc4oWPi7NPvhcLhwti3KK2R9oRAZOADQbj30Jl6c09pkYoilm104ZKBBXeXBSPeVUiGlT/684DKqi8XjuXBvE6GnNHU/gu2FnP7sGqPnqM7Th8eLC08pSyWDEYLVCLspmfAST2iFca4= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b=Nys/RrGN; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b="Nys/RrGN" ARC-Seal: i=1; a=rsa-sha256; t=1743513601; cv=none; d=zohomail.com; s=zohoarc; b=Vhf4ybQ9c+7td8sHscT0FqIyJF59/rLNs7j36dqudh8vVG/H+3KvyZ6I1jZxWRM8ifv0ytukTpKo+P31wUbeFuFDAg2gWoHs+K13PKxAJh9kEGOE4ZhHXXfCTTHC5cemijXkANMRnl4M5miQb1PqV3/6sJmhCLrx/A2k9Y//Bdk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1743513601; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=HlqcrObXVb8wnKz6QZRhhTpIu3g5AsMKBRmqEwnSzLo=; b=HVqwWD3ocgVhPwjckDnO381DAvC5mpzPjOWQHFMaFocxD2IS8U2KiSvjat6LcsBV/nBTR68KItxalyDo4M8ujvLwOBjSTBiCkwZR+HhvvsQwTqK5Zld8ZPHXjEjZhbqYe5ROECpNfQEZqvbTKtC7JqqxdTRyvOeN6TllT3r6Dak= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1743513601; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=HlqcrObXVb8wnKz6QZRhhTpIu3g5AsMKBRmqEwnSzLo=; b=Nys/RrGNtw5ZpaKk+0t2PWkYx0HxvUjJspY90Jib1wV9UvDp9yP2DXlUjFxvi85A ZvV5WKfDrxgyqpp3jALEsxinQYhJ35Xe0oT7IpdUZimnl3Lg4w2m+n7N30RXN6LZZkh SJD0z/SNTtttpiF/J6079YbqMaLG+We49BRNwTSU= Received: by mx.zohomail.com with SMTPS id 174351359953037.89471879433961; Tue, 1 Apr 2025 06:19:59 -0700 (PDT) Message-ID: <3fea4b5b-c4d1-4ac8-b351-692baad81a75@collabora.com> Date: Tue, 1 Apr 2025 16:19:55 +0300 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5] drm/syncobj: Extend EXPORT_SYNC_FILE for timeline syncobjs To: Rob Clark , dri-devel@lists.freedesktop.org Cc: =?UTF-8?Q?Christian_K=C3=B6nig?= , Rob Clark , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , open list , "open list:DMA BUFFER SHARING FRAMEWORK:Keyword:bdma_(?:buf|fence|resv)b" , "moderated list:DMA BUFFER SHARING FRAMEWORK:Keyword:bdma_(?:buf|fence|resv)b" References: <20250331212333.16029-1-robdclark@gmail.com> From: Dmitry Osipenko Content-Language: en-US In-Reply-To: <20250331212333.16029-1-robdclark@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External On 4/1/25 00:23, Rob Clark wrote: > From: Rob Clark > > Add support for exporting a dma_fence fd for a specific point on a > timeline. This is needed for vtest/vpipe[1][2] to implement timeline > syncobj support, as it needs a way to turn a point on a timeline back > into a dma_fence fd. It also closes an odd omission from the syncobj > UAPI. > > [1] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33433 > [2] https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/805 > > v2: Add DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_TIMELINE > v3: Add unstaged uabi header hunk > v4: Also handle IMPORT_SYNC_FILE case > v5: Address comments from Dmitry > > Signed-off-by: Rob Clark > --- > drivers/gpu/drm/drm_syncobj.c | 45 +++++++++++++++++++++++++++-------- > include/uapi/drm/drm.h | 4 ++++ > 2 files changed, 39 insertions(+), 10 deletions(-) Reviewed-by: Dmitry Osipenko -- Best regards, Dmitry