linux-kernel - Re: [PATCH 01/14] dt-bindings: display/msm/gmu: Add Adreno 7[34]0 GMU

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Tue, 4 Jul 2023 10:25:47 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/14] dt-bindings: display/msm/gmu: Add Adreno 7[34]0 GMU

On 28/06/2023 22:35, Konrad Dybcio wrote:
> The GMU on the A7xx series is pretty much the same as on the A6xx parts.
> It's now "smarter", needs a bit less register writes and controls more
> things (like inter-frame power collapse) mostly internally (instead of
> us having to write to G[PM]U_[CG]X registers from APPS)
> 
> The only difference worth mentioning is the now-required DEMET clock,
> which is strictly required for things like asserting reset lines, not
> turning it on results in GMU not being fully functional (all OOB requests
> would fail and HFI would hang after the first submitted OOB).
> 
> Describe the A730 and A740 GMU.
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof