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From: Marc Gonzalez <marc.w.gonzalez@free.fr>
To: Vivek Gautam <vivek.gautam@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: MSM <linux-arm-msm@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 3/4] iommu/arm-smmu: Add support to handle Qcom's wait-for-safe logic
Date: Mon, 17 Jun 2019 12:48:13 +0200
Message-ID: <c6d30912-17b3-3349-e742-bbf0ff02a50f@free.fr> (raw)
In-Reply-To: <ec7bdccb-f8db-6dce-2454-ac2073be2c45@codeaurora.org>

On 17/06/2019 11:50, Vivek Gautam wrote:

> On 6/14/2019 6:45 PM, Marc Gonzalez wrote:
>
>> # dd if=/dev/sde of=/dev/null bs=1M status=progress
>> 3892314112 bytes (3.9 GB, 3.6 GiB) copied, 50.0042 s, 77.8 MB/s
>>
>> 80 MB/s on msm8998 -- vs -- 300 MB/s on sdm845
>>
>> Do you have the interconnect patches on sdm845 that allow boosting
>> the clock/bandwidth for specific HW blocks?
> 
> Umm, No. This is the upstream 5.2-rc4 plus 4-6 patches to enable display 
> and fix splash screen.
> Is this the performance for UFS? The numbers I posted were for UFS.

Correct, the numbers I provided were for msm8998 UFS...

Basically, it looks like sdm845 UFS is 4x faster than msm8998 UFS
using upstream. Which is surprising (may depend on specific Flash
chip in use though).

Would be good if somebody with both boards could post numbers.
I'll try to post "fresh" numbers when I can.

Regards.

  reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-12  7:15 [PATCH v3 0/4] Qcom smmu-500 wait-for-safe handling for sdm845 Vivek Gautam
2019-06-12  7:15 ` [PATCH v3 1/4] firmware: qcom_scm-64: Add atomic version of qcom_scm_call Vivek Gautam
2019-06-18 17:55   ` Will Deacon
2019-06-19 11:34     ` Vivek Gautam
2019-08-05 22:27       ` Bjorn Andersson
2019-08-08 11:35         ` Vivek Gautam
2019-08-08 16:30           ` Will Deacon
2019-06-12  7:15 ` [PATCH v3 2/4] firmware/qcom_scm: Add scm call to handle smmu errata Vivek Gautam
2019-06-12  7:15 ` [PATCH v3 3/4] iommu/arm-smmu: Add support to handle Qcom's wait-for-safe logic Vivek Gautam
2019-06-14  4:05   ` Bjorn Andersson
2019-06-14  9:18     ` Vivek Gautam
2019-06-18 17:52       ` Will Deacon
2019-06-24 10:28         ` Vivek Gautam
2019-06-24 17:03           ` Will Deacon
2019-06-25  7:04             ` Vivek Gautam
2019-06-25 13:39               ` Will Deacon
2019-06-26  6:33                 ` Vivek Gautam
2019-06-26 14:48                   ` Will Deacon
2019-06-27  7:05                     ` Vivek Gautam
2019-06-14 13:15   ` Marc Gonzalez
2019-06-17  9:50     ` Vivek Gautam
2019-06-17 10:48       ` Marc Gonzalez [this message]
2019-06-12  7:15 ` [PATCH v3 4/4] arm64: dts/sdm845: Enable FW implemented safe sequence handler on MTP Vivek Gautam
2019-06-14  4:06   ` Bjorn Andersson
2019-06-14  9:01     ` Vivek Gautam
2019-08-05 22:26   ` Bjorn Andersson
2019-08-11 16:08     ` Vivek Gautam
2019-08-11 19:01       ` Bjorn Andersson

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