[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

            Bug ID: 104756
           Summary: [bisected] [kabini] [regression] [drm:amdgpufb_create]
                    *ERROR* failed to create fbcon object -12
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mike@fireburn.co.uk

Created attachment 136922
  --> https://bugs.freedesktop.org/attachment.cgi?id=136922&action=edit
Dmesg with errors

I've been seeing messages about being unable to allocate an fbcon object

I've bisected it back to:

4983e48c8539282be15f660bdd2c4260467b1190 is the first bad commit
commit 4983e48c8539282be15f660bdd2c4260467b1190
Author: Lucas Stach <l.stach@pengutronix.de>
Date:   Wed Dec 6 17:49:40 2017 +0100

    drm/sched: move fence slab handling to module init/exit

    This is the only part of the scheduler which must not be called from
    different drivers. Move it to module init/exit so it is done a single
    time when loading the scheduler.

    Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
    Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
    Acked-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

I see the issue with both DC and the old display setting code

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

Mike Lothian <mike@fireburn.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mike@fireburn.co.uk

--- Comment #1 from Mike Lothian <mike@fireburn.co.uk> ---
Created attachment 136923
  --> https://bugs.freedesktop.org/attachment.cgi?id=136923&action=edit
Dmesg with revert

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #136922|application/x-dc-rom        |text/plain
          mime type|                            |

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Please attach the CONFIG_DRM entries of the kernel build configuration file.

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

--- Comment #3 from Mike Lothian <mike@fireburn.co.uk> ---
Hi

The CONFIG_DRM entries are as follows:

CONFIG_DRM=y
CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y
CONFIG_DRM_KMS_HELPER=y
CONFIG_DRM_KMS_FB_HELPER=y
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_FBDEV_OVERALLOC=100
CONFIG_DRM_TTM=y
CONFIG_DRM_SCHED=y
CONFIG_DRM_AMDGPU=y
CONFIG_DRM_AMDGPU_USERPTR=y
CONFIG_DRM_AMD_DC=y
CONFIG_DRM_AMD_DC_PRE_VEGA=y
CONFIG_DRM_AMD_DC_FBC=y
CONFIG_DRM_I915=y
CONFIG_DRM_I915_ALPHA_SUPPORT=y
CONFIG_DRM_I915_CAPTURE_ERROR=y
CONFIG_DRM_I915_COMPRESS_ERROR=y
CONFIG_DRM_I915_USERPTR=y
CONFIG_DRM_PANEL=y
CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

--- Comment #4 from Mike Lothian <mike@fireburn.co.uk> ---
Sorry pasted from wrong machine:

CONFIG_DRM=y
CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y
CONFIG_DRM_KMS_HELPER=y
CONFIG_DRM_KMS_FB_HELPER=y
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_FBDEV_OVERALLOC=100
CONFIG_DRM_TTM=y
CONFIG_DRM_SCHED=y
CONFIG_DRM_AMDGPU=y
CONFIG_DRM_AMDGPU_CIK=y
CONFIG_DRM_AMDGPU_USERPTR=y
CONFIG_DRM_AMD_DC=y
CONFIG_DRM_AMD_DC_PRE_VEGA=y
CONFIG_DRM_AMD_DC_FBC=y
CONFIG_DRM_AMD_DC_DCN1_0=y
CONFIG_DRM_PANEL=y
CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
Maybe drm_sched_fence_slab_init isn't guaranteed to be called before
amdgpu_init when both amdgpu and the GPU scheduler are built into the kernel.

Lucas, what do you think?

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

Christian König <ckoenig.leichtzumerken@gmail.com> changed:

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

--- Comment #6 from Christian König <ckoenig.leichtzumerken@gmail.com> ---
Yeah, the init order isn't correct. Give me a second for a patch.

*** This bug has been marked as a duplicate of bug 104736 ***

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[Bug 104756] [bisected] [kabini] [regression] [drm:amdgpufb_create] *ERROR* failed to create fbcon object -12

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https://bugs.freedesktop.org/show_bug.cgi?id=104756

Christian König <ckoenig.leichtzumerken@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

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