[Bug 45061] Power consumption higher after resume, probably vgaswitcheroo/radeon related

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Fri Oct 5 12:13:52 PDT 2012


--- Comment #3 from Peter <lekensteyn at gmail.com>  2012-10-05 19:13:52 ---
You can mark this bug as a duplicate of that bug.

Does your machine have an indicator that shows whether the discrete graphics
card is enabled or not? If you happens to have such an indicator and also have
a Windows installation with drivers installed, can you check what happens
around suspend/resume?

On my Nvidia Optimus laptop, the following holds for a s/r cycle under Windows:

- indicator shows initially that the dGPU is deactivated.
- Before suspend, indicator shows that dGPU is activated.
- On resume, the indicator initially shows the dGPU as deactivated. Then, it
turns shortly to "activated", and then to "deactivated" again.
- indicator finally shows the dGPU as deactivated.

Is this also true for AMD?

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