[Intel-gfx] [PATCH] drm/i915: Use 128k alignment for untiled display surface on i965

Jesse Barnes jbarnes at virtuousgeek.org
Mon Jul 5 18:36:36 CEST 2010


On Mon,  5 Jul 2010 10:25:57 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> The original i965 requires an alignment of 128K for the display surface
> with linear memory, so increase the requirement from 64k for these
> chipsets. For the later chipsets in the i965 family, only a 4k alignment
> is required. (So long as we do not start performing asynchronous flips.)
> 
> Note the impact of this should be slight as on i965 we should be using a
> tiled frontbuffer for anything up to a 4096x4096 display.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---

Looks good.

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center



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