From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
"Daniel Thompson" <daniel.thompson@linaro.org>,
masahisa.kojima@socionext.com,
"Pipat/メタワニットポン ピパット" <methavanitpong.pipat@socionext.com>,
"Masami Hiramatsu" <masami.hiramatsu@linaro.org>
Subject: Re: [PATCH edk2-platforms] Silicon/SynQuacerPciHostBridgeLib: enable Gen2 speed
Date: Thu, 30 Nov 2017 18:49:22 +0000 [thread overview]
Message-ID: <CAKv+Gu-X4FEaV+4ZXiTrnmGv7yyVFPH0c5oAndNApCVjioLOcQ@mail.gmail.com> (raw)
In-Reply-To: <20171129191238.ewibi45tbkstbrnu@bivouac.eciton.net>
On 29 November 2017 at 19:12, Leif Lindholm <leif.lindholm@linaro.org> 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 <ard.biesheuvel@linaro.org>
>
> Hmm?
> Well, that sounds like an improvement.
> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
>
Thanks. Pushed as b490ebc08f2a8c3b95b5fd22f142badc72925358
prev parent reply other threads:[~2017-11-30 18:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 18:44 [PATCH edk2-platforms] Silicon/SynQuacerPciHostBridgeLib: enable Gen2 speed Ard Biesheuvel
2017-11-29 19:12 ` Leif Lindholm
2017-11-30 18:49 ` Ard Biesheuvel [this message]
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