[Bug 109462] [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level

[Bug 109462] [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109462

            Bug ID: 109462
           Summary: [bisected] Latest amd-staging-drm-next  vega10 MCLK
                    stuck on lowest level
           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: bas@basnieuwenhuizen.nl
                CC: alexdeucher@gmail.com

Performance is more than halved in games (used Talos Principle on RADV for
bisection) due to the mclk being stuck at 167 MHz.

commit 42a2d4839bc4f095621d259a3ff5401063b914cc (HEAD, refs/bisect/bad)
Author: Evan Quan <evan.quan@amd.com>
Date:   Fri Jan 25 14:09:40 2019 +0800

    drm/amd/powerplay: support Vega10 SOCclk and DCEFclk dpm level settings

    Enable SOCclk and DCEFclk dpm level retrieving and setting on Vega10.

    Change-Id: Iab35a6cc85cdfcf48f06f7d20b95a52c6feb60d1
    Signed-off-by: Evan Quan <evan.quan@amd.com>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

Kernel cmdline has
amdgpu.exp_hw_support=1 log_buf_len=1 amdgpu.sched_hw_submission=64
amdgpu.gpu_recovery=1 amdgpu.cik_support=1 radeon.cik_support=0
amdgpu.cg_mask=0 amdgpu.pg_mask=0 idle=nomwait


and nothing interesting showing up in dmesg.

I can't CC Evan Quan due to lack of bugzilla account.

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[Bug 109462] [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109462

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Should be fixed with this patch:
https://patchwork.freedesktop.org/patch/282836/

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[Bug 109462] [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level

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https://bugs.freedesktop.org/show_bug.cgi?id=109462

--- Comment #2 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
Can confirm it fixes the issue for me.

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[Bug 109462] [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109462

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #3 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/685.

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