On ti, 2017-08-08 at 13:54 +0100, Chris Wilson wrote:
> At the time of commit 1f767e02d69f ("drm/i915: HWS must be in the
> mappable region for g33"), drm_mm insertion would often default to
> placing a new object high in the zone forcing us to specify that certain
> HWSP must be bound within the low mappable region. Since then, drm_mm
> has gained more finesse over its placement and exposes that to the
> caller, commit 4e64e5539d15 ("drm: Improve drm_mm search (and fix
> topdown allocation) with rbtrees"). As such where possible we want the
> HWSP to be outside of the mappable aperture and so need to tell to
> specify that it is to be pinned high.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Michel Thierry <michel.thierry@xxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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