[Bug 111482] Sapphire Pulse RX 5700 XT power consumption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111482

--- Comment #27 from Andrew Sheldon <asheldon55 at gmail.com> ---
A bit of a hacky workaround to 144hz (and multi-monitor issues) on Navi:

- Bootup to X
- Suspend to ram
- Notice that clocks have dropped (even in multi-monitor configuration)
- I get flickering in the auto profile after doing this (maybe similar to the
Polaris issues)
- To remove the flickering, set power_dpm_force_performance_level to "low"

Works even in high res/high refresh rate scenarios, such as 2560x1440 at 90 +
2560x1440 at 144hz. I haven't extensively stability tested it mind you, but looks
good so far.

Obviously, you'll want to set power_dpm_force_performance_level to "high" when
playing a game.

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