From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 103080] DC driver from drm-next-4.15-dc branch (upstream PR) not working Date: Tue, 03 Oct 2017 17:59:54 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0921662609==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 7EC776E5B0 for ; Tue, 3 Oct 2017 17:59:54 +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 --===============0921662609== Content-Type: multipart/alternative; boundary="15070535940.A6cDCCF0.19807"; charset="UTF-8" --15070535940.A6cDCCF0.19807 Date: Tue, 3 Oct 2017 17:59:54 +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=3D103080 --- Comment #2 from Carlo Caione --- Created attachment 134643 --> https://bugs.freedesktop.org/attachment.cgi?id=3D134643&action=3Dedit CONFIG_DRM_AMD_DC_PRE_VEGA kernel Oops (In reply to Harry Wentland from comment #1) > Hi Carlo, >=20 > please pass amdgpu.dc=3D1 module parameter or set CONFIG_DRM_AMD_DC_PRE_V= EGA > flag at build. This is interesting. When compiling with CONFIG_DRM_AMD_DC_PRE_VEGA I get a kernel Oops when connecting the HDMI cable, see the attached log. But (good news) if I revert https://cgit.freedesktop.org/~agd5f/linux/commit/?id=3D8f5ed2ed31944eea5c27= 46ec66417afac043eabd I have no kernel Oops and HDMI works fine. So something is definitely wrong with that commit. --=20 You are receiving this mail because: You are the assignee for the bug.= --15070535940.A6cDCCF0.19807 Date: Tue, 3 Oct 2017 17:59:54 +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

Commen= t # 2 on bug 10308= 0 from = Carlo Caione 
Created a=
ttachment 134643 [details]
CONFIG_DRM_AMD_DC_PRE_VEGA kernel Oops

(In reply to Harry Wentland from co=
mment #1)
> Hi Carlo,
>=20
> please pass amdgpu.dc=3D1 module parameter or set CONFIG_DRM_AMD_DC_PR=
E_VEGA
> flag at build.

This is interesting. When compiling with CONFIG_DRM_AMD_DC_PRE_VEGA I get a
kernel Oops when connecting the HDMI cable, see the attached log.

But (good news) if I revert
https://cgit.freedesktop.org/~agd5f/linux/=
commit/?id=3D8f5ed2ed31944eea5c2746ec66417afac043eabd
I have no kernel Oops and HDMI works fine. So something is definitely wrong
with that commit.

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