| 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 att=
achment 138777 [details]
Dmesg krnel boot with dc_log enabled
Fedora kernel: 4.17.0-0.rc0.git7.2.fc29.x86_64 (pre -rc1)
Boot options:=20
root=3DUUID=3Dc88abf6f-2561-41e5-bec5-c3b2881d0ffc ro rhgb slub_debug=3D-
cgroup_disable=3Dmemory console=3Dtty0 console=3DttyUSB0,9600n8 nmi_watchdo=
g=3D0
audit=3D0 radeon.cik_support=3D0 amdgpu.cik_support=3D1 resume=3D/dev/sda7
i915.enable_rc6=3D1 i915.semaphores=3D1 i915.enable_psr=3D1 i915.enable_fbc=
=3D1
drm_kms_helper.poll=3D0 mce=3Doff amdgpu.dc=3D1 amdgpu.dc_log=3D1
Note: BIOS is in dGPU only mode, so i915 is disabled.
both VGA and the LCD (LVDS) panel remain turned off, no display is availabl=
e.
Attached is kernel dmesg and Xorg log files.
| What | Removed | Added |
|---|---|---|
| Attachment #138777 mime type | text/x-log | text/plain |
| What | Removed | Added |
|---|---|---|
| Attachment #138778 mime type | text/x-log | text/plain |
| What | Removed | Added |
|---|---|---|
| Attachment #138777 is obsolete | 1 |
Created attachment 138810 [=
details]
Kernel dmesg boot with dc_log and drm.debug=3D0x4
Created attachment 138813 [details] [review] [PATCH] drm/amd/display: Support LVDS panels Can you see if this fixes things or creates different problems at boot? Loo= ks like we never really supported LVDS with DC but a whole bunch of code is th= ere.=20 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.=
Created attachment 138858 [detail=
s]
kernel dmesg boot with LVDS panels patch added
For reference compiling amdgpu.ko with custom patch on a Fedor= a 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/.co= nfig 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/cer= ts && cp ~/rpmbuild/SOURCES/x509.genkey . 10) cd .. && make certs 11) make modules_prepare 12) make M=3D drivers/gpu/drm/amd/amdgpu modules 13) ./scripts/sign-file sha256 certs/signing_key.pem certs/signing_key.x509= =20 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
| What | Removed | Added |
|---|---|---|
| See Also | https://bugs.freedesktop.org/show_bug.cgi?id=3D105880 |
| What | Removed | Added |
|---|---|---|
| Status | NEW | RESOLVED |
| Resolution | --- | DUPLICATE |
*** This bug has been marked as a duplicate of bug 105880 ***