linux-kernel - Re: [Freedreno] [v2] drm/msm/disp/dpu1: add safe lut config in dpu driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <b6aca5dda4e100694a3d8cb39cfc650d@codeaurora.org>
Date:   Wed, 04 Aug 2021 11:07:40 +0530
From:   kalyan_t@...eaurora.org
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, robdclark@...il.com,
        dianders@...omium.org, mkrishn@...eaurora.org,
        saiprakash.ranjan@...eaurora.org, rnayak@...eaurora.org,
        stable@...r.kernel.org
Subject: Re: [Freedreno] [v2] drm/msm/disp/dpu1: add safe lut config in dpu
 driver

On 2021-08-04 01:43, Stephen Boyd wrote:
> Quoting Kalyan Thota (2021-08-03 03:41:47)
>> Add safe lut configuration for all the targets in dpu
>> driver as per QOS recommendation.
>> 
>> Issue reported on SC7280:
>> 
>> With wait-for-safe feature in smmu enabled, RT client
>> buffer levels are checked to be safe before smmu invalidation.
>> Since display was always set to unsafe it was delaying the
>> invalidaiton process thus impacting the performance on NRT clients
>> such as eMMC and NVMe.
>> 
>> Validated this change on SC7280, With this change eMMC performance
>> has improved significantly.
>> 
>> Changes in v1:
>> - Add fixes tag (Sai)
>> - CC stable kernel (Dimtry)
>> 
>> Fixes: cfacf946a464d4(drm/msm/disp/dpu1: add support for display for 
>> SC7280 target)
> 
> This is wrong format and commit hash
> 
My bad, i'll fix it right away
- KT

> Fixes: 591e34a091d1 ("drm/msm/disp/dpu1: add support for display for
> SC7280 target")
> 
>> Signed-off-by: Kalyan Thota <kalyan_t@...eaurora.org>
>> Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org> 
>> (sc7280, sc7180)