Re: [PATCH] Revert "venus: firmware: Correct non-pix start and end addresses"

From: Thorsten Leemhuis
Date: Tue Feb 21 2023 - 10:03:39 EST


On 15.02.23 14:18, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 15.02.23 11:57, Javier Martinez Canillas wrote:
>> On Wed, Feb 15, 2023 at 11:53 AM Linux regression tracking (Thorsten
>> Leemhuis) <regressions@xxxxxxxxxxxxx> wrote:
>>> On 11.02.23 15:27, Linux regression tracking (Thorsten Leemhuis) wrote:
>>>> On 10.02.23 11:07, Javier Martinez Canillas wrote:
>>>>> On 2/10/23 10:22, Vikash Garodia wrote:
>>>>>
>>>>>>> So what should we do about this folks? Since not allowing the driver to probe on
>>>>>>> at least SC7180 is a quite serious regression, can we revert for now until a proper
>>>>>>> fix is figured out?
>>>>>> I am able to repro this issue on sc7180 and discussing with firmware team on the cause
>>>>>> of reset failure. The original patch was raised for fixing rare SMMU faults during warm
>>>>>> boot of video hardware. Hence looking to understand the regressing part before we
>>>>>> proceed to revert.
>>>>> Great, if you are working on a proper fix then that would be much better indeed.
>>>> Yeah, that's great, but OTOH: there is almost certainly just one week
>>>> before 6.2 will be released. Ideally this should be fixed by then.
>>>> Vikash, do you think that's in the cards? If not: why not revert this
>>>> now to make sure 6.2 works fine?
>>> Hmm, no reply. And we meanwhile have Wednesday and 6.2 is almost
>>> certainly going to be out on Sunday. And the problem was called "a quite
>>> serious regression" above. So why not quickly fix this with the revert,
>>> as proposed earlier?
>>> Vikash? Javier?
>>
>> I agree with you, that we should land this revert and then properly
>> fix the page fault issue in v6.3.
>>
>> But it's not my call, the v4l2/media folks have to decide that.
>
> In that case: Mauro, what's your opinion here?
>
> Thread starts here:
> https://lore.kernel.org/lkml/20230207102254.1446461-1-javierm@xxxxxxxxxx/
>
> Regression report:
> https://lore.kernel.org/lkml/Y9LSMap%2BjRxbtpC8@xxxxxxxxxx/

No reply from Mauro and Linus chose to not apply the revert I pointed
him to. That at this point leads to the question:

Vikash, did you or somebody else make any progress to fix this properly?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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