[Bug 195465] AMD Hybrid graphic dont work, R7 M260/M265 (Topaz)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=195465

matrikslee (im.lechain at gmail.com) changed:

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                 CC|                            |im.lechain at gmail.com

--- Comment #4 from matrikslee (im.lechain at gmail.com) ---
(In reply to Michel Dänzer from comment #3)
> What exactly is the problem? The only suspicious thing in dmesg is the
> below, which indicates that the GPU's power management might not be working
> perfectly:
> 
> [   20.346154] cant't get the mac of 5 
> [   20.348337] [ powerplay ] VBIOS did not find boot engine clock value       
> in dependency table. Using Memory DPM level 0!

hello, there is the same problem in my dell Inspirion 5547. 

my output of `dmesg --levle=err,warn ` like this: 

> [ 5175.824105] amdgpu: [powerplay] VI should always have 2 performance levels
> [ 5181.060603] amdgpu: [powerplay] can't get the mac of 5
> [ 5181.061744] amdgpu: [powerplay] VBIOS did not find boot engine clock value
>                         > in dependency table. Using Memory DPM level 0!
> [ 5186.704831] amdgpu: [powerplay] VI should always have 2 performance levels
> [ 5191.861423] amdgpu: [powerplay] can't get the mac of 5
> [ 5191.862585] amdgpu: [powerplay] VBIOS did not find boot engine clock value
>                         in dependency table. Using Memory DPM level 0!
> [ 5196.872216] amdgpu: [powerplay] VI should always have 2 performance levels

and my previous kernel version is 4.10-11-1-ARCH, now, I changed my kernel to
4.11.0-rc8-g5a7ad1146caa. however, the bug isn't solved.

And I also checked the kernel code of
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c, this file's bug has been
fixed since the bug#185681.

however, my kernel also has the error of powerplay. so annoying.

can you have any suggestion for me to solve this problem? 

Thanks grateful!

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