[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

            Bug ID: 105996
           Summary: [DC][CIK] Bonaire mobile -  No displays being turned
                    on
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: shawn.starr@rogers.com

Created attachment 138777
  --> https://bugs.freedesktop.org/attachment.cgi?id=138777&action=edit
Dmesg krnel boot with dc_log enabled

Fedora kernel: 4.17.0-0.rc0.git7.2.fc29.x86_64 (pre -rc1)

Boot options: 

root=UUID=c88abf6f-2561-41e5-bec5-c3b2881d0ffc ro rhgb slub_debug=-
cgroup_disable=memory console=tty0 console=ttyUSB0,9600n8 nmi_watchdog=0
audit=0 radeon.cik_support=0 amdgpu.cik_support=1 resume=/dev/sda7
i915.enable_rc6=1 i915.semaphores=1 i915.enable_psr=1 i915.enable_fbc=1
drm_kms_helper.poll=0 mce=off amdgpu.dc=1 amdgpu.dc_log=1

Note: BIOS is in dGPU only mode, so i915 is disabled.

both VGA and the LCD (LVDS) panel remain turned off, no display is available.


Attached is kernel dmesg and Xorg log files.

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

--- Comment #1 from Shawn Starr <shawn.starr@rogers.com> ---
Created attachment 138778
  --> https://bugs.freedesktop.org/attachment.cgi?id=138778&action=edit
Xorg log

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #138777|text/x-log                  |text/plain
          mime type|                            |

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #138778|text/x-log                  |text/plain
          mime type|                            |

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

Shawn Starr <shawn.starr@rogers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #138777|0                           |1
        is obsolete|                            |

--- Comment #2 from Shawn Starr <shawn.starr@rogers.com> ---
Created attachment 138810
  --> https://bugs.freedesktop.org/attachment.cgi?id=138810&action=edit
Kernel dmesg boot with dc_log and drm.debug=0x4

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

--- Comment #3 from Harry Wentland <harry.wentland@amd.com> ---
Created attachment 138813
  --> https://bugs.freedesktop.org/attachment.cgi?id=138813&action=edit
[PATCH] drm/amd/display: Support LVDS panels

Can you see if this fixes things or creates different problems at boot? Looks
like we never really supported LVDS with DC but a whole bunch of code is there. 

If it crashes and burns let me know your dmesg again. I'm hoping everything is
in place but it's quite likely that we're missing some more crucial pieces.

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

--- Comment #4 from Shawn Starr <shawn.starr@rogers.com> ---
Created attachment 138858
  --> https://bugs.freedesktop.org/attachment.cgi?id=138858&action=edit
kernel dmesg boot with LVDS panels patch added

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

--- Comment #5 from Shawn Starr <shawn.starr@rogers.com> ---
For reference compiling amdgpu.ko with custom patch on a Fedora kernel:

1) rpm -ivh kernel-4.17.0-0.rc0.git7.2.fc29.src.rpm

2) Copy custom patch into rpmbuild/SOURCES

3) Modify kernel.spec to add patch into the listing

4) cd ~/rpmbuild/SPECS; rpmbuild -bp kernel.spec

5) cd ~/rpmbuild/BUILD/kernel-4.16.fc27/linux-4.17.0-0.rc0.git7.2.fc29.x86_64

6) vi Makefile --> add the proper matching kernel version
'-0.rc0.git7.2.fc29.x86_64' to EXTRAVERSION.

7) cp /boot/config-4.17.0-0.rc0.git7.2.fc29.x86_64
~/rpmbuild/BUILD/kernel/4.16.fc17/linux-4.17.0-0.rc0.git7.2.fc29.x86_64/.config

8) cp /lib/modules/4.17.0-0.rc0.git7.2.fc29.x86_64/build/Module.symvers
~/rpmbuild/BUILD/kernel/4.16.fc17/linux-4.17.0-0.rc0.git7.2.fc29.x86_64/

9) cd
~/rpmbuild/BUILD/kernel/4.16.fc17/linux-4.17.0-0.rc0.git7.2.fc29.x86_64/certs
&& cp ~/rpmbuild/SOURCES/x509.genkey .

10) cd .. && make certs

11) make modules_prepare

12) make M= drivers/gpu/drm/amd/amdgpu modules

13) ./scripts/sign-file sha256 certs/signing_key.pem certs/signing_key.x509 
drivers/gpu/drm/amd/amdgpu/amdgpu.ko

14) compress kernel modules with xz

15) Replace/move original in
/lib/modules/4.17.0-0.rc0.git7.2.fc29.x86_64/drives/dpu/drm/amd/amdgpu/ of way

16) depmod -a

17) Remove old initramfs and rebuild with dracut

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

--- Comment #6 from Shawn Starr <shawn.starr@rogers.com> ---
Step 12a) make scripts

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

Chí-Thanh Christopher Nguyễn <chithanh@gentoo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=105880

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[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

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https://bugs.freedesktop.org/show_bug.cgi?id=105996

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #7 from Alex Deucher <alexdeucher@gmail.com> ---


*** This bug has been marked as a duplicate of bug 105880 ***

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