From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2607:f8b0:4001:c06::22c; helo=mail-io0-x22c.google.com; envelope-from=ard.biesheuvel@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-io0-x22c.google.com (mail-io0-x22c.google.com [IPv6:2607:f8b0:4001:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 5862D221786B1 for ; Thu, 30 Nov 2017 10:44:58 -0800 (PST) Received: by mail-io0-x22c.google.com with SMTP id d14so8592853ioc.5 for ; Thu, 30 Nov 2017 10:49:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=dDqbCRHjvZkHulwgrUvEwOMePGmxihsQ5rlaVMwRP+8=; b=a2FE5YIp67LyUxUc4q4FyV+KToOsL9d+SFxNgC6D0var0uM/uhTWtVmW+/T+wlFl/u Xxc2pJeqZzZ7ODjAMj5VyL+H9kR+kux6aNIaTCcrfRqq3f5kuXG2GuHSF1l/kzeRrbc+ AoFaa/aXguQ/jcFcMqMyK5cbEHBkSQlMkuMNU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=dDqbCRHjvZkHulwgrUvEwOMePGmxihsQ5rlaVMwRP+8=; b=RUz69gpOPznVeDYh1wTosTmIaRtfJAvkuVdmgWs5HqmE5OaU1Ny6sCGDKC9bMwY43z ykFz70vWK6txzEzN3rvp7y1bdKynhEHyNpyh1y8QNaBpT9AD82qhpqs+1BNBVn8C24YI 0MXkAPHs+uz6XGnVptAptJF4Vv6AyAFDnrk/8oLE8clHMdN6LCaB9o4MpogIamf6tF9o eDepR6ZaWXBNEQiOqo28p7VpmAcxldmQyarS1LGLIbDgbLtmrLMmbyLz1N4P0ErEDAvX ir6AbTWM1gZEwpUxPZI2ehITt+967HJkKamAI22HE7cz1cW1OhXQFyN3pLueoMzaIJrJ jwUg== X-Gm-Message-State: AJaThX41rfVf4F2+y37WqDY/Bof6J/qM2JZpQsKF1WAKOQlFi96TkS4r eaBuc34/VyCCGTqDr0psXaSss2+Vy4Dutol3WUVGhQ== X-Google-Smtp-Source: AGs4zMYj9Wr6Ki7V/QUzU7FMAHl8kPSSbk24+u3E7yahHc6NTItcc+xcDT5qkKe8uTM4b7ZagNfEAcHsuNLqfjBod8g= X-Received: by 10.107.151.142 with SMTP id z136mr9313972iod.248.1512067763208; Thu, 30 Nov 2017 10:49:23 -0800 (PST) MIME-Version: 1.0 Received: by 10.107.104.16 with HTTP; Thu, 30 Nov 2017 10:49:22 -0800 (PST) In-Reply-To: <20171129191238.ewibi45tbkstbrnu@bivouac.eciton.net> References: <20171129184459.9017-1-ard.biesheuvel@linaro.org> <20171129191238.ewibi45tbkstbrnu@bivouac.eciton.net> From: Ard Biesheuvel Date: Thu, 30 Nov 2017 18:49:22 +0000 Message-ID: To: Leif Lindholm Cc: "edk2-devel@lists.01.org" , Daniel Thompson , masahisa.kojima@socionext.com, =?UTF-8?B?UGlwYXQv44Oh44K/44Ov44OL44OD44OI44Od44OzIOODlOODkeODg+ODiA==?= , Masami Hiramatsu Subject: Re: [PATCH edk2-platforms] Silicon/SynQuacerPciHostBridgeLib: enable Gen2 speed X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Nov 2017 18:44:58 -0000 Content-Type: text/plain; charset="UTF-8" On 29 November 2017 at 19:12, Leif Lindholm wrote: > On Wed, Nov 29, 2017 at 06:44:59PM +0000, Ard Biesheuvel wrote: >> As it turns out, getting the PCIe controllers to switch to Gen2 speed >> is surprisingly easy. It only involves setting the 'speed change' bit >> in the controller at initialization time, after which the hardware >> will automatically attempt to switch to Gen2 speed after training at >> Gen1 speed has completed. >> >> Contributed-under: TianoCore Contribution Agreement 1.1 >> Signed-off-by: Ard Biesheuvel > > Hmm? > Well, that sounds like an improvement. > Reviewed-by: Leif Lindholm > Thanks. Pushed as b490ebc08f2a8c3b95b5fd22f142badc72925358