Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

Tom St Denis tom.stdenis at
Fri Oct 6 12:57:55 UTC 2017

On 06/10/17 08:37 AM, Steven Falco wrote:
> On 10/05/2017 02:26 PM, Martin Babutzka wrote:
>> @Steven Falco: This behavior was EXACTLY the same with my R9 380 caused
>> by commit e37a7b4088da ("drm/amd/powerplay: tidy up ret checks in
>> amd_powerplay.c"). This is reverted now since a few days - are you sure
>> your kernel build already includes commit adc6af2349f0
>> ("drm/amd/powerplay: fix ret checks in amd_powerplay.c")?
>> @AMD Devs/Alex: It would be nice if you push "Revert drm/amd/powerplay:
>> Add support for CI asics to hwmgr (Deucher, Alexander)" to agd5f. Then
>> I can try to build a non-crashing, flicker-free and hopefully overall
>> decent 4.13.5 kernel based on amd-staging-drm-next tomorrow.
> That sounds very promising.  I am currently running the Fedora kernel.  Where would I download the one with the revisions you mentioned?

The commits will show up in

Probably today or tomorrow.  You'll have to build your own kernel for 
now.  The typical path would be these patches make it into 4.15 (if that 
window is still open) and then eventually be released as part of 4.15 
and then the older tree maintainers can cherry-pick things into their trees.

Getting into a distro kernel depends on the distro I imagine.  Might be 
able to file a bug with the Fedora bug tracker for the kernel and then 
we can co-ordinate getting the patches into their tree.


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