From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 107082] With 4.18 rc kernel stop working video output on AMD
 GPU Vega 56
Date: Sun, 01 Jul 2018 12:55:00 +0000
Message-ID: <bug-107082-502@http.bugs.freedesktop.org/>
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Date: Sun, 1 Jul 2018 12:55:03 +0000
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X-Bugzilla-URL: http://bugs.freedesktop.org/
Auto-Submitted: auto-generated

https://bugs.freedesktop.org/show_bug.cgi?id=3D107082

            Bug ID: 107082
           Summary: With 4.18 rc kernel stop working video output on AMD
                    GPU Vega 56
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mikhail.v.gavrilov@gmail.com

- when monitor plugged via display port after boot I see blank screen, but
system react on Ctrl-Alt-Delete and I could connect via ssh and reboot syst=
em
by init 6 command.
- when monitor plugged via HDMI was system hang during boot.

More detail provided in downstream report:
https://bugzilla.redhat.com/show_bug.cgi?id=3D1592110

Also I bisecting kernel for investigating problem:

$ git bisect log
# bad: [4c5e8fc62d6a63065eeae80808c498d1dcfea4f4] Merge tag
'linux-kselftest-4.18-rc1-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
# good: [2837461dbe6f4a9acc0d86f88825888109211c99] Merge tag 'scsi-fixes' of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
git bisect start '4c5e8fc62d6a63065eeae80808c498d1dcfea4f4'
'2837461dbe6f4a9acc0d86f88825888109211c99'
# good: [b5d903c2d656e9bc54bc76554a477d796a63120d] Merge branch 'akpm' (pat=
ches
from Andrew)
git bisect good b5d903c2d656e9bc54bc76554a477d796a63120d
# bad: [a0b2ac29415bb44d1c212184c1385a1abe68db5c] drm/amdgpu: fix the missed
vcn fw version report
git bisect bad a0b2ac29415bb44d1c212184c1385a1abe68db5c
# bad: [0b19fdc45feffd7569c081fe32a258df3c8ebb9b] drm/amd/display: fix
dscl_manual_ratio_init
git bisect bad 0b19fdc45feffd7569c081fe32a258df3c8ebb9b
# bad: [4c6530fd66399182d0332c5ed821ea473bdcd7c3] drm/amdgpu: remove
unnecessary scheduler entity for VCN
git bisect bad 4c6530fd66399182d0332c5ed821ea473bdcd7c3
# bad: [10dd2b865393bb45526ca342fe69207341f89fd5] drm/amd/display: Fix wrong
latency assignment for VEGA clock levels
git bisect bad 10dd2b865393bb45526ca342fe69207341f89fd5
# bad: [adea72c5046f7faffff969ece04c3f31e669edf4] drm/amdgpu:
vcn_v1_0_is_idle() can be static
git bisect bad adea72c5046f7faffff969ece04c3f31e669edf4
# bad: [bfdec234047889f4f6af1ec45c7c502a4405b3fb] drm/amd/display: Implement
dm_pp_get_clock_levels_by_type_with_latency
git bisect bad bfdec234047889f4f6af1ec45c7c502a4405b3fb
# first bad commit: [bfdec234047889f4f6af1ec45c7c502a4405b3fb] drm/amd/disp=
lay:
Implement dm_pp_get_clock_levels_by_type_with_latency

--=20
You are receiving this mail because:
You are the assignee for the bug.=

--15304497030.62BB0.32141
Date: Sun, 1 Jul 2018 12:55:03 +0000
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X-Bugzilla-URL: http://bugs.freedesktop.org/
Auto-Submitted: auto-generated

<html>
    <head>
      <base href=3D"https://bugs.freedesktop.org/">
    </head>
    <body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8">
        <tr>
          <th>Bug ID</th>
          <td><a class=3D"bz_bug_link=20
          bz_status_NEW "
   title=3D"NEW - With 4.18 rc kernel stop working video output on AMD GPU =
Vega 56"
   href=3D"https://bugs.freedesktop.org/show_bug.cgi?id=3D107082">107082</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>With 4.18 rc kernel stop working video output on AMD GPU Vega=
 56
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/AMDgpu
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel&#64;lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mikhail.v.gavrilov&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>- when monitor plugged via display port after boot I see blank=
 screen, but
system react on Ctrl-Alt-Delete and I could connect via ssh and reboot syst=
em
by init 6 command.
- when monitor plugged via HDMI was system hang during boot.

More detail provided in downstream report:
<a href=3D"https://bugzilla.redhat.com/show_bug.cgi?id=3D1592110">https://b=
ugzilla.redhat.com/show_bug.cgi?id=3D1592110</a>

Also I bisecting kernel for investigating problem:

$ git bisect log
# bad: [4c5e8fc62d6a63065eeae80808c498d1dcfea4f4] Merge tag
'linux-kselftest-4.18-rc1-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
# good: [2837461dbe6f4a9acc0d86f88825888109211c99] Merge tag 'scsi-fixes' of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
git bisect start '4c5e8fc62d6a63065eeae80808c498d1dcfea4f4'
'2837461dbe6f4a9acc0d86f88825888109211c99'
# good: [b5d903c2d656e9bc54bc76554a477d796a63120d] Merge branch 'akpm' (pat=
ches
from Andrew)
git bisect good b5d903c2d656e9bc54bc76554a477d796a63120d
# bad: [a0b2ac29415bb44d1c212184c1385a1abe68db5c] drm/amdgpu: fix the missed
vcn fw version report
git bisect bad a0b2ac29415bb44d1c212184c1385a1abe68db5c
# bad: [0b19fdc45feffd7569c081fe32a258df3c8ebb9b] drm/amd/display: fix
dscl_manual_ratio_init
git bisect bad 0b19fdc45feffd7569c081fe32a258df3c8ebb9b
# bad: [4c6530fd66399182d0332c5ed821ea473bdcd7c3] drm/amdgpu: remove
unnecessary scheduler entity for VCN
git bisect bad 4c6530fd66399182d0332c5ed821ea473bdcd7c3
# bad: [10dd2b865393bb45526ca342fe69207341f89fd5] drm/amd/display: Fix wrong
latency assignment for VEGA clock levels
git bisect bad 10dd2b865393bb45526ca342fe69207341f89fd5
# bad: [adea72c5046f7faffff969ece04c3f31e669edf4] drm/amdgpu:
vcn_v1_0_is_idle() can be static
git bisect bad adea72c5046f7faffff969ece04c3f31e669edf4
# bad: [bfdec234047889f4f6af1ec45c7c502a4405b3fb] drm/amd/display: Implement
dm_pp_get_clock_levels_by_type_with_latency
git bisect bad bfdec234047889f4f6af1ec45c7c502a4405b3fb
# first bad commit: [bfdec234047889f4f6af1ec45c7c502a4405b3fb] drm/amd/disp=
lay:
Implement dm_pp_get_clock_levels_by_type_with_latency</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
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