From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 107072] 4k hdmi monitor stays black on kaveri [regression] Date: Wed, 15 Aug 2018 18:03:48 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0855607223==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 35F266E3CD for ; Wed, 15 Aug 2018 18:03:48 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0855607223== Content-Type: multipart/alternative; boundary="15343562282.873c991.27179" Content-Transfer-Encoding: 7bit --15343562282.873c991.27179 Date: Wed, 15 Aug 2018 18:03:48 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D107072 --- Comment #10 from Alex Deucher --- (In reply to Pontus Gr=C3=A5sk=C3=A6g from comment #9) > Looking at your dmesg output, it looks like you might have hit this > bug/issue: bug 105880 >=20 > "[dc] No support for LVDS or VGA connectors (Cannot find any crtc or size= s)" >=20 > AMD/Harry Wentland/Alex Deucher have commits in the mainline kernel to > disable the DC code by default for Bonaire, Kabini, Kaveri, and Mullins as > certain hardware interfaces are not supported in the DC code. Your cpu (f= rom > dmesg) is an AMD A8-7650K Radeon R7, codename Kaveri. Unless you are using VGA or LVDS connectors this is a different issues. Th= at does not seem to be the case here (HDMI and DVI are supported in the DC cod= e). --=20 You are receiving this mail because: You are the assignee for the bug.= --15343562282.873c991.27179 Date: Wed, 15 Aug 2018 18:03:48 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 10 on bug 10707= 2 from Alex Deucher 
(In reply to Pontus Gr=C3=A5sk=C3=A6g from comment #9)
> Looking at your dmesg output, it looks like you =
might have hit this
> bug/issue: bug 105880
>=20
> "[dc] No support for LVDS or VGA connectors (Cannot find any crtc=
 or sizes)"
>=20
> AMD/Harry Wentland/Alex Deucher have commits in the mainline kernel to
> disable the DC code by default for Bonaire, Kabini, Kaveri, and Mullin=
s as
> certain hardware interfaces are not supported in the DC code. Your cpu=
 (from
> dmesg) is an AMD A8-7650K Radeon R7, codename Kaveri.

Unless you are using VGA or LVDS connectors this is a different issues.  Th=
at
does not seem to be the case here (HDMI and DVI are supported in the DC cod=
e).

You are receiving this mail because:
  • You are the assignee for the bug.
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