From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 108542] hdmi issues with kernel 4.18 Date: Wed, 24 Oct 2018 18:22:46 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0314823029==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 0901F6E2BF for ; Wed, 24 Oct 2018 18:22:46 +0000 (UTC) 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 --===============0314823029== Content-Type: multipart/alternative; boundary="15404053650.fCA077eda.24725" Content-Transfer-Encoding: 7bit --15404053650.fCA077eda.24725 Date: Wed, 24 Oct 2018 18:22:45 +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=3D108542 Bug ID: 108542 Summary: hdmi issues with kernel 4.18 Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: davide26079@gmail.com - since 4.18, the hdmi output says "12 bit" - since 4.18.8 there's no video output !! You can find more details in this thread https://bbs.archlinux.org/viewtopic.php?id=3D241212 I did a bisection to find the bad commit for the first regression already, = and that's the result: e03fd3f300f6184c1264186a4c815e93bf658abb is the first bad commit commit e03fd3f300f6184c1264186a4c815e93bf658abb Author: Mikita Lipski Date: Wed May 16 16:46:18 2018 -0400 drm/amd/display: Do not limit color depth to 8bpc Delete if statement that would force any display's color depth higher than 8 bpc to 8 Signed-off-by: Mikita Lipski Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher :040000 040000 57c7a743a10059addbfdd1a122f90c4053d377fa 13139317e62ef56db1748bf48f31f81eb986c7f8 M drivers --=20 You are receiving this mail because: You are the assignee for the bug.= --15404053650.fCA077eda.24725 Date: Wed, 24 Oct 2018 18:22:45 +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
Bug ID 108542
Summary hdmi issues with kernel 4.18
Product DRI
Version unspecified
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter davide26079@gmail.com 

- since 4.18, the hdmi output says "12 bit"
- since 4.18.8 there's no video output !!

You can find more details in this thread

https://bbs=
.archlinux.org/viewtopic.php?id=3D241212

I did a bisection to find the bad commit for the first regression already, =
and
that's the result:

e03fd3f300f6184c1264186a4c815e93bf658abb is the first bad commit
commit e03fd3f300f6184c1264186a4c815e93bf658abb
Author: Mikita Lipski <miki=
ta.lipski@amd.com>
Date:   Wed May 16 16:46:18 2018 -0400

    drm/amd/display: Do not limit color depth to 8bpc

    Delete if statement that would force any display's color depth higher
    than 8 bpc to 8

    Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
    Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 57c7a743a10059addbfdd1a122f90c4053d377fa
13139317e62ef56db1748bf48f31f81eb986c7f8 M      drivers

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