[PATCH 1/2] panfrost: Make sure GPU is powered on when reading GPU_LATEST_FLUSH_ID

[Heiko Stuebner]

Am Donnerstag, 11. Juni 2020, 10:58:43 CEST schrieb Tomeu Vizoso:
> Bifrost devices do support the flush reduction feature, so on first job
> submit we were trying to read the register while still powered off.
> 
> If the GPU is powered off, the feature doesn't bring any benefit, so
> don't try to read.
> 
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>

on a PX30-board (sibling of rk3326) with a 720x1280 panel and
glmark2 running all tests

Tested-by: Heiko Stuebner <heiko at sntech.de>