External Display Forces Mode to "Discrete Only" instead of "Dynamic Switching"

steveschow / gfxCardStatus

This is a fork of gfxCardStatus, this fork will handle integrated-only mode a little better

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External Display Forces Mode to "Discrete Only" instead of "Dynamic Switching" #36

Open mitchellisdumb opened 5 years ago

mitchellisdumb commented 5 years ago

Start with the app in "Integrated Only" mode, then plug in an external display. You'll notice that the app switches to "Discrete Only." I find that I often don't notice and forget to change it back upon unplugging, so I end up wasting battery life.

It would be better to have an external display force the app into "Dynamic Switching" mode.

michaelsmoody commented 4 years ago

To my knowledge, this isn't possible on the MacBook Pro that has both. External displays are only supported on the discrete card. But you make a decent point that it could potentially switch back to dynamic. On my system, what ends up happening, is that some app ends up "using" the discrete card, and so I can't switch back automatically.