linux-kernel - Re: [PATCH] drm/msm/a690: Switch to a660

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]

Message-ID: <39ffcd61-eb56-41c5-ac43-9ace2595c11b@linaro.org>
Date:   Fri, 11 Aug 2023 18:31:13 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/a690: Switch to a660_gmu.bin

On 11.08.2023 18:21, Rob Clark wrote:
> On Fri, Aug 11, 2023 at 9:11 AM Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>>
>> On 11.08.2023 18:09, Rob Clark wrote:
>>> On Fri, Aug 11, 2023 at 9:05 AM Rob Clark <robdclark@...il.com> wrote:
>>>>
>>>> From: Rob Clark <robdclark@...omium.org>
>>>>
>>>> There isn't actually a a690_gmu.bin.  But it appears that the normal
>>>> a660_gmu.bin works fine.  Normally all the devices within a sub-
>>>> generation (or "family") will use the same fw, and a690 is in the a660
>>>> family.
>>>>
>>>
>>> possibly this could be considered as:
>>>
>>> Fixes: 5e7665b5e484 ("drm/msm/adreno: Add Adreno A690 support")
>> For a lack of a better response, "meh"
> 
> It would help route the change back to 6.4.y so we can stop explaining
> to folks that they should create a symlink ;-)
Ok fair!

> 
>> Other than that:
>>
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>>
>> Perhaps we could take this further and do something like
>>
>> if (failed to load gmu fw)
>>         try loading "gmu.bin"
> 
> that (loading random fw) sounds like a bad idea.. plus gmu.bin doesn't exist
I guess we still should hear from Qualcomm on this one, but I
do believe that "aXYZ_gmu.bin" is really "gmu firmware, tagged
at aXYZ release". They're even versioned and adreno-gpulist.h
downstream contains the minimum version for each SKU.

Konrad