Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Thu, 25 Feb 2021 11:15:06 +0100
From:   Pavel Machek <pavel@ucw.cz>
To:     Thomas Zimmermann <tzimmermann@suse.de>
Cc:     intel-gfx@lists.freedesktop.org,
        kernel list <linux-kernel@vger.kernel.org>,
        dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com,
        airlied@redhat.com, sean@poorly.run
Subject: Re: udldrm does not recover from powersave? Re: udldrmfb: causes
 WARN in i915 on X60 (x86-32)
Message-ID: <20210225101506.GA17499@duo.ucw.cz>
References: <20210224200912.GA27905@duo.ucw.cz>
 <452585d5-9d18-f5a8-9d6b-6d39aa037480@suse.de>
 <20210225095322.GA5089@amd>
 <4fb31ea5-ef20-4752-4782-8d9f1afdf51d@suse.de>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
        protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ"
Content-Disposition: inline
In-Reply-To: <4fb31ea5-ef20-4752-4782-8d9f1afdf51d@suse.de>
User-Agent: Mutt/1.10.1 (2018-07-13)
Precedence: bulk


--lrZ03NoBR/3+SXJZ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Hi!

> > Thank you, that fixes the DMA issue, and I can use the udl.
> >=20
> > ...for a while. Then screensaver blanks laptop screen, udl screen
> > blanks too. Upon hitting a key, internal screen shows up, udl does
> > not.
> >=20
> > I try rerunning xrandr ... --auto, but could not recover it.
> >=20
> > Any ideas?
>=20
> Did it work before the regression?

I don't know. I'm trying to get it to work, I basically did not use it befo=
re.

> For testing, could you please remove the fix and then do
>=20
>   git revert 6eb0233ec2d0
>=20
> This would restore the old version. Please report back on the results.

I doubt this is related, but I can try.

Best regards,
									Pavel
--=20
http://www.livejournal.com/~pavelmachek

--lrZ03NoBR/3+SXJZ
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----

iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYDd4qgAKCRAw5/Bqldv6
8s4MAJwMEpPvM8Uj3RqK+M5x8Kvx5bKlKwCePvQAZYLSesysWma9mbGP3nNG4jU=
=qjfI
-----END PGP SIGNATURE-----

--lrZ03NoBR/3+SXJZ--