linux-kernel - Re: linux-next: build failure after merge of the drm-tegra tree

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Message-ID: <20190204073003.GB16448@ulmo>
Date:   Mon, 4 Feb 2019 08:30:03 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: linux-next: build failure after merge of the drm-tegra tree

On Mon, Feb 04, 2019 at 11:12:41AM +1100, Stephen Rothwell wrote:
> Hi Thierry,
> 
> After merging the drm-tegra tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> drivers/gpu/host1x/cdma.c: In function 'host1x_cdma_wait_pushbuffer_space':
> drivers/gpu/host1x/cdma.c:279:13: error: 'struct host1x_cdma' has no member named 'sem'
>    down(&cdma->sem);
>              ^~
> 
> Caused by commit
> 
>   abb289796799 ("gpu: host1x: Use completion instead of semaphore")
> 
> interacting with commit
> 
>   db5652be58a9 ("gpu: host1x: Introduce support for wide opcodes")
> 
> I have used the drm-tegra tree from next-20190201 for today.

Oh my... so I go through all the build testing and then pull in the
seemlessly harmless fix and ruin everything...

I've fixed it up in my tree now, thanks.

Thierry

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