linux-kernel - Re: [PATCH v2 1/1] ARM: dts: dra7: add entry for bb2d module

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Date:   Wed, 24 Nov 2021 01:26:21 +0800
From:   Yongqin Liu <yongqin.liu@...aro.org>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gowtham Tammana <g-tammana@...com>, Jyri Sarha <jsarha@...com>
Subject: Re: [PATCH v2 1/1] ARM: dts: dra7: add entry for bb2d module

Hi, Neil

On Tue, 23 Nov 2021 at 20:47, Neil Armstrong <narmstrong@...libre.com> wrote:
>
> Hi,
>
> On 23/11/2021 13:17, Yongqin Liu wrote:
> > Hi, Neil, Tony
> >
> > # sorry for the confusion if you have received the mail which I sent
> > before, which is not in plain text mode.
> >
> > We have one out of tree change to enable the SGX544 gpu for the
> > beagleboard-X15 Android build,
> >     https://android-review.linaro.org/c/kernel/common/+/20521/11/arch/arm/boot/dts/dra7.dtsi
> >
> > and that seems to conflict with this BB2D enabling change,
> > Could you please help give some suggestions on how we should update our patch
> > to make it work with BB2D, without the revert of this change?
>
> This BB2D patch alters the target-module@...00000 while your SGX
> change alters the target-module@...00000.
>
> Please rebase your patches.
I am sorry if the "conflict" I used previously caused the confusion.
What I meant with the "conflict" word is the feature conflict, not the
patch merge conflict.

I could merge my SGX change with the BB2D change there, but then my
build could not boot successfully to the homescreen,
I need to revert the BB2D change to have it boot to the homescreen successfully.

Here are the serial console output in case you want to check:
https://pastebin.com/RY472b96  work with the BB2D change reverted
https://pastebin.com/aP97r7rJ    does not work with the BB2D change.

Not sure if you have any idea about the problem.
Please help give some suggestions on what I could try.

Thanks,
Yongqin
>
> >
> > On Wed, 6 Oct 2021 at 15:47, Tony Lindgren <tony@...mide.com> wrote:
> >>
> >> * Neil Armstrong <narmstrong@...libre.com> [210921 10:18]:
> >>> From: Gowtham Tammana <g-tammana@...com>
> >>>
> >>> BB2D is a Vivante GC 2D Accelerator.
> >>> This adds the node to the dts file within a target module node.
> >>> Crossbar index number is used for interrupt mapping.
> >>
> >> Thanks applying into omap-for-v5.16/dt.
> >>
> >> Tony
> >
>

-- 
Best Regards,
Yongqin Liu
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