linux-kernel - Re: arm32 build failure after abe882a39a9c ("drm/amd/display: fix issue with eDP not detected on driver load")

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Message-ID: <CAPM=9txaQ43GwOzXSE3prTRLbMt+ip=s_ssmFzWsfsTYdLssaw@mail.gmail.com>
Date:   Tue, 25 Jun 2019 13:59:17 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Anthony Koo <Anthony.Koo@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Jun Lei <Jun.Lei@....com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        amd-gfx mailing list <amd-gfx@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: arm32 build failure after abe882a39a9c ("drm/amd/display: fix
 issue with eDP not detected on driver load")

Hi Alex,

please resolve this ASAP, I cannot pull your tree without this fixed
as it breaks my arm builds here.

an 8 second delay there seems pointless and arbitary, an 8 sec delay
there without a comment, seems like a lack of review.

Dave.

On Tue, 18 Jun 2019 at 11:12, Nathan Chancellor
<natechancellor@...il.com> wrote:
>
> Hi all,
>
> After commit abe882a39a9c ("drm/amd/display: fix issue with eDP not
> detected on driver load") in -next, arm32 allyesconfig builds start
> failing at link time:
>
> arm-linux-gnueabi-ld: drivers/gpu/drm/amd/display/dc/core/dc_link.o: in
> function `dc_link_detect':
> dc_link.c:(.text+0x260c): undefined reference to `__bad_udelay'
>
> arm32 only allows a udelay value of up to 2000, see
> arch/arm/include/asm/delay.h for more info.
>
> Please look into this when you have a chance!
> Nathan