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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 1E2C4C432C2 for ; Tue, 24 Sep 2019 16:28:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E667E2146E for ; Tue, 24 Sep 2019 16:28:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Jx4/I6tm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2632816AbfIXQ2U (ORCPT ); Tue, 24 Sep 2019 12:28:20 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:38986 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725787AbfIXQ2S (ORCPT ); Tue, 24 Sep 2019 12:28:18 -0400 Received: by mail-wm1-f68.google.com with SMTP id v17so743663wml.4 for ; Tue, 24 Sep 2019 09:28:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=BhiqhiNCyg2iKe2QgHnCVRClKHmtJxSxATbA4G39gTo=; b=Jx4/I6tmWFxd9oBqpJwEewoaLfll1xA49kapNwo4K7jIwLNsffD4izYcxn7GxwGEFz 337SYN9mj2IvQriEMDYZ8ZQmgMDBO16aFo7m2EZ9P6p/nAKssi+7n4uKoDpAGeK43FQo fhgYgG4HJ6cKwTzbzeq/8tXruKHfQeZ8EUMcBpnSFm1ojAQvmuapo3ejeyolrmur+2Co IVmxX/JQwvrpifOwHYQ8pGJtNAMnUyKCfW3IF11WR+1i9ojYwkwl57YUdgQXa70tNvPk NZi4wYu97qdZyzrrHgjtujJNU9nYwCJrgYYzuJQjFGwhuhOdiQUbRT/pGWF4lZp5ZcMb qeRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BhiqhiNCyg2iKe2QgHnCVRClKHmtJxSxATbA4G39gTo=; b=dB480txbFkQN3aFKAhwuu6vrjmRFoKJmvXvVyVMmRa2FgzcOvb9cysSIsFKD7Jrm25 3peAul0yBrNt0ju1EROg7Wdh4jKJBAx7KSG5yVtcjNO0iSpUeXc4BS+mrlgCzlJeEIri TEeyBSLPQ6QXxUs8E5BuBAiMRaDhh5fKbSLHdb8PBINIaygpMBml9ac7z5u5p44VKlOG jnoHkNrimp0jXtgtHKo8dH62BJcb4+wnsDgzS8QHA9ohmGqxZt9BwHFSpYu+aUlMOrMc k+gedHsveupQADcW1xXjBNGEqf+mcxsDjgsgtO9uhsqWX4lYK5uAzVEEihsfqgUEzga2 vRaQ== X-Gm-Message-State: APjAAAX1BS29qLqGkfIQ4FEIT2XC363e53q5i8G6n9i3nzRtrQY0SruI hpyygazds5V07XUQw9esd3HED2LvemA2QjPRtpz/Mw== X-Google-Smtp-Source: APXvYqxZ5pU4lxFJ5tQmF3vfkOLnNi5HezknxSez2JUPr5x+LtPQ4ks1/3HtByssCHPjURAE2yOlGO/+DZjLSQDG9Bo= X-Received: by 2002:a1c:e0d6:: with SMTP id x205mr506020wmg.1.1569342496892; Tue, 24 Sep 2019 09:28:16 -0700 (PDT) MIME-Version: 1.0 References: <20190906184712.91980-1-john.stultz@linaro.org> <20190924162217.GA12974@arm.com> In-Reply-To: <20190924162217.GA12974@arm.com> From: John Stultz Date: Tue, 24 Sep 2019 09:28:05 -0700 Message-ID: Subject: Re: [RESEND][PATCH v8 0/5] DMA-BUF Heaps (destaging ION) To: Ayan Halder Cc: Sumit Semwal , Sudipto Paul , Vincent Donnefort , Chenbo Feng , lkml , Liam Mark , "Andrew F . Davis" , Christoph Hellwig , Alistair Strachan , DRI mailing list , Hridya Valsaraju , Pratik Patel , nd Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 24, 2019 at 9:22 AM Ayan Halder wrote: > I tested these patches using our internal test suite with Arm,komeda > driver and the following node in dts > > reserved-memory { > #address-cells = <0x2>; > #size-cells = <0x2>; > ranges; > > framebuffer@60000000 { > compatible = "shared-dma-pool"; > linux,cma-default; > reg = <0x0 0x60000000 0x0 0x8000000>; > }; > } > > The tests went fine. Our tests allocates framebuffers of different > sizes, posts them on screen and the driver writes back to one of the > framebuffers. I havenot tested for any performance, latency or > cache management related stuff. So, it that looks appropriate, feel > free to add:- > Tested-by:- Ayan Kumar Halder Thanks so much for testing! I really appreciate it! > Are you planning to write some igt tests for it ? I've not personally as familiar with igt yet, which is why I started with kselftest, but it's a good idea. I'll take a look and try to take a swing at it after Sumit queues the patchset (I need to resubmit to address Brian's feedback). thanks -john