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Date:   Thu, 1 Oct 2020 19:47:33 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Dave Airlie <airlied@linux.ie>,
        DRI <dri-devel@lists.freedesktop.org>
Cc:     Swapnil Jakhade <sjakhade@cadence.com>,
        Tomi Valkeinen <tomi.valkeinen@ti.com>,
        Jyri Sarha <jsarha@ti.com>,
        Quentin Schulz <quentin.schulz@free-electrons.com>,
        Yuti Amonkar <yamonkar@cadence.com>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the drm tree
Message-ID: <20201001194733.24a50013@canb.auug.org.au>
In-Reply-To: <20200923133601.293b4fe6@canb.auug.org.au>
References: <20200923133601.293b4fe6@canb.auug.org.au>
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Hi all,

On Wed, 23 Sep 2020 13:36:01 +1000 Stephen Rothwell <sfr@canb.auug.org.au> =
wrote:
>
> After merging the drm tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
>=20
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c: In function 'cdns_mh=
dp_fw_activate':
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c:751:10: warning: conv=
ersion from 'long unsigned int' to 'unsigned int' changes value from '18446=
744073709551613' to '4294967293' [-Woverflow]
>   751 |   writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c: In function 'cdns_mh=
dp_attach':
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c:1692:10: warning: con=
version from 'long unsigned int' to 'unsigned int' changes value from '1844=
6744073709551613' to '4294967293' [-Woverflow]
>  1692 |   writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c: In function 'cdns_mh=
dp_bridge_hpd_enable':
> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c:2125:10: warning: con=
version from 'long unsigned int' to 'unsigned int' changes value from '1844=
6744073709551613' to '4294967293' [-Woverflow]
>  2125 |   writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
>=20
> Introduced by commit
>=20
>   fb43aa0acdfd ("drm: bridge: Add support for Cadence MHDP8546 DPI/DP bri=
dge")

I am still getting these warnings ...

--=20
Cheers,
Stephen Rothwell

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