On Thu, 2017-11-02 at 12:42 +0000, Chris Wilson wrote:
> Now that we always execute a context switch upon module load, there is
> no need to queue a delayed task for doing so. The purpose of the delayed
> task is to enable GT powersaving, for which we need the HW state to be
> valid (i.e. having loaded a context and initialised basic state). We
> used to defer this operation as historically it was slow (due to slow
> register polling, fixed with commit 1758b90e38f5 ("drm/i915: Use a hybrid
> scheme for fast register waits")) but now we have a requirement to save
> the default HW state.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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