linux-kernel - Re: [PATCH] [v3] drm: amd: dc: don't use FP math when Kcov is enabled

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Message-ID: <CAK8P3a1AGC4fFYSSDQn2snkvf5htZVffCwRLV1NBm5YeZgw+CA@mail.gmail.com>
Date:   Mon, 13 Aug 2018 17:23:57 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     alexdeucher@...il.com
Cc:     Christian König <christian.koenig@....com>,
        Alex Deucher <alexander.deucher@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        Harry Wentland <Harry.Wentland@....com>,
        David Airlie <airlied@...ux.ie>, michel.daenzer@....com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        amd-gfx@...ts.freedesktop.org, Shirish S <shirish.s@....com>,
        Jerry.Zuo@....com, dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] [v3] drm: amd: dc: don't use FP math when Kcov is enabled

On Mon, Aug 13, 2018 at 4:49 PM Alex Deucher <alexdeucher@...il.com> wrote:
>
> On Sun, Aug 12, 2018 at 3:55 AM Christian König
> <ckoenig.leichtzumerken@...il.com> wrote:
> > Adding Harry as well.
> > Am 11.08.2018 um 17:54 schrieb Arnd Bergmann:
> > >
> > > Fixes: bf2e2e2e0ea9 ("drm/amd/display: Limit DCN to x86 arch")
> > > Fixes: 4841203102a3 ("drm/amdgpu/display: Replace CONFIG_DRM_AMD_DC_DCN1_0 with CONFIG_X86")
>
> Maybe it would be better to revert 4841203102a3 so we can limit the
> scope of this to DCN support.

That would help, but we would still require the patch at
https://patchwork.kernel.org/patch/10090227/ or something else to avoid
broken randconfig builds.

     Arnd