Re: [PATCH 2/2] drm/i915/gtt: Mark tlbs dirty on clear

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:

> On Mon, Oct 31, 2016 at 05:24:46PM +0200, Mika Kuoppala wrote:
>> Now when clearing ptes can modify upper level pdp's,
>> we need to mark them dirty so that they will be flushed
>> correctly.
>
> I suppose so.

It is a bit iffy if we really do, but this way we gain symmetry
with the alloc side.

I pondered why this is missing from 4l side, but in there the
topmost pointer is static.

-Mika

> I think we could push this into the cleanup_px() (and
> alloc) but that is probably a fair chunk of work for immeasurable gain.
> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> -Chris
>
> -- 
> Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux