[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

            Bug ID: 103953
           Summary: [DC] Polaris10: Missing modes when enabling DC
           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: freedesktop-bugzilla@dominik-paulus.de

Created attachment 135751
  --> https://bugs.freedesktop.org/attachment.cgi?id=135751&action=edit
dmesg with amdgpu.dc=1

I have a Dell U2713HM connected to a Radeon RX470 (MSI board, 'Radeon RX470
Gaming 4G') over dual-link DVI on Linux 4.15-rc1. When enabling DC (Kernel
commandline amdgpu.dc=1), the monitors native resolution of 2560x1440 is not
detected, when falling back to default modesetting, everything works fine.
Xorg.log and (relevant parts) of dmesg for both amdgpu.dc=1 and =0 are
attached.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #1 from Dominik Paulus <freedesktop-bugzilla@dominik-paulus.de> ---
Created attachment 135752
  --> https://bugs.freedesktop.org/attachment.cgi?id=135752&action=edit
dmesg with default settings

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #2 from Dominik Paulus <freedesktop-bugzilla@dominik-paulus.de> ---
Created attachment 135753
  --> https://bugs.freedesktop.org/attachment.cgi?id=135753&action=edit
Xorg.log with dc enabled

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #3 from Dominik Paulus <freedesktop-bugzilla@dominik-paulus.de> ---
Created attachment 135754
  --> https://bugs.freedesktop.org/attachment.cgi?id=135754&action=edit
Xorg.log with dc disabled

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #135751|text/x-log                  |text/plain
          mime type|                            |

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #135752|text/x-log                  |text/plain
          mime type|                            |

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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[-- Attachment #1.1: Type: text/plain, Size: 428 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103953

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #135753|text/x-log                  |text/plain
          mime type|                            |

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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[-- Attachment #1.1: Type: text/plain, Size: 428 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=103953

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #135754|text/x-log                  |text/plain
          mime type|                            |

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #4 from Marc Cousin <cousinmarc@gmail.com> ---
Having the exact same bug, but with a RX570… DVI-D, 4.15 kernel, xorg 1.19.6,
mesa 17.3.5…

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #5 from Harry Wentland <harry.wentland@amd.com> ---
This should be fixed on our staging branches.

Are you able to give Alex's amd-staging-drm-next or drm-next-4.17-wip branch
from https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-drm-next a try?

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #6 from Dominik Paulus <freedesktop-bugzilla@dominik-paulus.de> ---
I've tested commit 17fd4b27d8d0698e42095796a3758bbc841d3a6c from
amd-staging-drm-next and can confirm that it fixes the described bug on my
system. Thanks!

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #7 from Luke McKee <hojuruku@gmail.com> ---
As suggested to the users here,

I've tried your latest staging branch with dc=1
On a Polaris RX560 latest everything
(libva-git,vdpau-git,mesa-git,xf86-amdgpu-git,amd-drm-staging-next master
4.15-rc4).

It seems the other users here are using DRI2. I'll try again with DRI3.

What happens here is when gdm is used (with and without wayland compiled in
enabled) I think it switches vt's when you sign in. After logging in the screen
get's scrambled.

This is all I could find useful in the logs.

Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE) AMDGPU(0):
failed to set mode: Invalid argument
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (WW) AMDGPU(0):
Failed to set mode on CRTC 0
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE) AMDGPU(0):
Failed to enable any CRTC
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE)
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: Fatal server error:
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE) EnterVT failed
for screen 0
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE)
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: Please consult the
The X.Org Foundation support
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]:          at
http://wiki.x.org
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]:  for help.
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE) Please also
check the log file at "/var/log/Xorg.1.log" for additional information.
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE)
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (II) AIGLX:
Suspending AIGLX clients for VT switch
Feb 28 00:48:26 hojuruku /usr/libexec/gdm-x-session[20032]: (EE) Server
terminated with error (1). Closing log file.


The h265 will crash the pc too if you try and encode with ffmpeg. updating
libva to git and trying again.
Feb 28 08:02:28 hojuruku kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR*
ring uvd timeout, last signaled seq=20269, last emitted seq=20270
Feb 28 08:02:28 hojuruku kernel: [drm:amdgpu_job_timedout [amdgpu]] *ERROR*
ring uvd_enc0 timeout, last signaled seq=2306, last emitted seq=2308
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:gmc_v8_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:gfx_v8_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:uvd_v6_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:gmc_v8_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:gfx_v8_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] GPU recovery disabled.
Feb 28 08:02:28 hojuruku kernel: [drm] IP block:uvd_v6_0 is hung!
Feb 28 08:02:28 hojuruku kernel: [drm] GPU recovery disabled.

Another issue I've noticed is that there are kernel panic's if amd-iommu isn't
compiled as a kernel module even if you don't have the hardware. Shall I open
another ticket about that?

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #8 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Luke McKee from comment #7)
> As suggested to the users here,
> 

Please stop posting random crap on every bug report.  If you are seeing an
issue please file your own bug reports.  If they are a duplicate of some other
bug, they can be marked so.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #9 from Marc Cousin <cousinmarc@gmail.com> ---
Bug solved for me too with amd-staging-drm-next. Thanks a lot.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Harry Wentland <harry.wentland@amd.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #10 from Harry Wentland <harry.wentland@amd.com> ---
Marking this fixed as multiple people confirmed fix is in amd-staging-drm-next.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #11 from Aleksei <alex3kov@zoho.com> ---
I'm losing refresh rates higher than 60Hz with dc=1 on 4.15.6 kernel - is that
fixed too?

Monitor 1920x1080 144Hz, GPU RX 560, connection over DVI-D. With dc=0 I can set
1920x1080 144Hz, with dc=1 only 1920x1080 60Hz.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #12 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Aleksei from comment #11)
> I'm losing refresh rates higher than 60Hz with dc=1 on 4.15.6 kernel - is
> that fixed too?
> 
> Monitor 1920x1080 144Hz, GPU RX 560, connection over DVI-D. With dc=0 I can
> set 1920x1080 144Hz, with dc=1 only 1920x1080 60Hz.

You'll need the latest 4.16 with the fixes I sent out yesterday.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

--- Comment #13 from Aleksei <alex3kov@zoho.com> ---
(In reply to Alex Deucher from comment #12)
> You'll need the latest 4.16 with the fixes I sent out yesterday.
Thanks, tested with latest amd-staging-drm-next - 144Hz works.

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Raman Gupta <rocketraman@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |109238


Referenced Bugs:

https://bugs.freedesktop.org/show_bug.cgi?id=109238
[Bug 109238] [DC] Polaris10: Missing modes when enabling DC
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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Raman Gupta <rocketraman@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=109238

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[Bug 103953] [DC] Polaris10: Missing modes when enabling DC

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https://bugs.freedesktop.org/show_bug.cgi?id=103953

Raman Gupta <rocketraman@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|https://bugs.freedesktop.or |
                   |g/show_bug.cgi?id=109238    |

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