Messages in this thread | | | Subject | Re: [PATCH v2] scsi: ufs: Allow RTT negotiation | From | Bean Huo <> | Date | Wed, 08 May 2024 18:32:40 +0200 |
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On Fri, 2024-05-03 at 14:34 +0300, Avri Altman wrote: > UFS4.0, and specifically gear 5 changes this, and requires the device > to > be more attentive. This doesn't come free - the device has to > allocate > more resources to that end, but the sequential write performance > improvement is significant. Early measurements shows 25% gain when > moving from rtt 2 to 9. Therefore, set bMaxNumOfRTT to be > min(bDeviceRTTCap, NORTT) as UFSHCI expects. > > Signed-off-by: Avri Altman <avri.altman@wdc.com>
Avri,
I was still curious about this 25% gain, so I will take a look. It would be great if you could share more information about this.
Reviewed-by: Bean Huo <beanhuo@micron.com>
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