linux-kernel - Re: [PATCH v2 0/13] Patches to improve transfer efficiency for Rockchip SoCs.

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Date:   Fri, 12 Jun 2020 16:58:47 +0800
From:   sugar zhang <sugar.zhang@...k-chips.com>
To:     Peter Geis <pgwipeout@...il.com>
Cc:     Vinod Koul <vkoul@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        devicetree@...r.kernel.org, Carlos de Paula <me@...losedp.com>,
        dmaengine@...r.kernel.org, Jonas Karlman <jonas@...boo.se>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-kernel@...r.kernel.org,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Andy Yan <andy.yan@...k-chips.com>,
        Johan Jonker <jbx6244@...il.com>,
        Robin Murphy <robin.murphy@....com>,
        Dan Williams <dan.j.williams@...el.com>,
        "Leonidas P. Papadakos" <papadakospan@...il.com>
Subject: Re: [PATCH v2 0/13] Patches to improve transfer efficiency for
 Rockchip SoCs.

Hi Peter,

Thanks for testing! but, as I know, GMAC does not use the general 
dma(pl330) for data transfer,

so, these patchs should not be helpful for your case.

在 2020/6/12 9:15, Peter Geis 写道:
> On Thu, Jun 11, 2020 at 9:06 PM Peter Geis <pgwipeout@...il.com> wrote:
>> Good Evening,
>>
>> I am currently testing this on the rk3399-rockpro64, and it appears to
>> fully fix the gmac problem without using txpbl.
>> PCIe also seems to be more stable at high load.
>> I need to conduct long term testing, but it seems to be doing very well.
> Belay that, it does make it harder to trigger, but the issue still
> remains on the rk3399.
>
>> Unfortunately it doesn't fix the rk3328 gmac controller.
>>
>> Tested-by: Peter Geis <pgwipeout@...il.com>
>>
>> On Mon, Jun 8, 2020 at 9:15 PM Sugar Zhang <sugar.zhang@...k-chips.com> wrote:
>>>
>>>
>>> Changes in v2:
>>> - fix FATAL ERROR: Unable to parse input tree
>>>
>>> Sugar Zhang (13):
>>>    dmaengine: pl330: Remove the burst limit for quirk 'NO-FLUSHP'
>>>    dmaengine: pl330: Add quirk 'arm,pl330-periph-burst'
>>>    dt-bindings: dma: pl330: Document the quirk 'arm,pl330-periph-burst'
>>>    ARM: dts: rk3036: Add 'arm,pl330-periph-burst' for dmac
>>>    ARM: dts: rk322x: Add 'arm,pl330-periph-burst' for dmac
>>>    ARM: dts: rk3288: Add 'arm,pl330-periph-burst' for dmac
>>>    ARM: dts: rk3xxx: Add 'arm,pl330-periph-burst' for dmac
>>>    ARM: dts: rv1108: Add 'arm,pl330-periph-burst' for dmac
>>>    arm64: dts: px30: Add 'arm,pl330-periph-burst' for dmac
>>>    arm64: dts: rk3308: Add 'arm,pl330-periph-burst' for dmac
>>>    arm64: dts: rk3328: Add 'arm,pl330-periph-burst' for dmac
>>>    arm64: dts: rk3368: Add 'arm,pl330-periph-burst' for dmac
>>>    arm64: dts: rk3399: Add 'arm,pl330-periph-burst' for dmac
>>>
>>>   .../devicetree/bindings/dma/arm-pl330.txt          |  1 +
>>>   arch/arm/boot/dts/rk3036.dtsi                      |  1 +
>>>   arch/arm/boot/dts/rk322x.dtsi                      |  1 +
>>>   arch/arm/boot/dts/rk3288.dtsi                      |  3 ++
>>>   arch/arm/boot/dts/rk3xxx.dtsi                      |  3 ++
>>>   arch/arm/boot/dts/rv1108.dtsi                      |  1 +
>>>   arch/arm64/boot/dts/rockchip/px30.dtsi             |  1 +
>>>   arch/arm64/boot/dts/rockchip/rk3308.dtsi           |  2 +
>>>   arch/arm64/boot/dts/rockchip/rk3328.dtsi           |  1 +
>>>   arch/arm64/boot/dts/rockchip/rk3368.dtsi           |  2 +
>>>   arch/arm64/boot/dts/rockchip/rk3399.dtsi           |  2 +
>>>   drivers/dma/pl330.c                                | 44 +++++++++++++++-------
>>>   12 files changed, 49 insertions(+), 13 deletions(-)
>>>
>>> --
>>> 2.7.4
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Linux-rockchip mailing list
>>> Linux-rockchip@...ts.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/linux-rockchip
>
-- 
Best Regards!
张学广/Sugar
福州瑞芯微电子股份有限公司
Fuzhou Rockchip Electronics Co.Ltd

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