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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 108542] hdmi issues with kernel 4.18
Date: Wed, 24 Oct 2018 18:22:46 +0000	[thread overview]
Message-ID: <bug-108542-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=108542

            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=241212

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 <mikita.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

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             reply	other threads:[~2018-10-24 18:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-24 18:22 bugzilla-daemon [this message]
2018-10-25 12:52 ` [Bug 108542] hdmi issues with kernel 4.18 bugzilla-daemon
2018-10-25 19:26 ` bugzilla-daemon
2018-10-25 19:28 ` bugzilla-daemon
2018-10-25 19:35 ` bugzilla-daemon
2018-10-27 10:47 ` bugzilla-daemon
2018-10-28 10:23 ` bugzilla-daemon
2018-10-30 16:31 ` bugzilla-daemon
2018-10-31 10:03 ` bugzilla-daemon
2018-11-20 14:07 ` bugzilla-daemon
2018-11-21 15:41 ` bugzilla-daemon
2019-11-19  9:00 ` bugzilla-daemon

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