[Intel-gfx] [PATCH] drm/i915: GFDT support for SNB/IVB

[Chris Wilson]

On Sun, Mar 03, 2013 at 05:28:52PM +0100, Daniel Vetter wrote:
> The other thing was that I didn't manage to get things to work properly,
> leaving some random cachline dirt on the screen. Looking at your code, you
> add the gfdt flush to every ring_flush, whereas I've tried to be clever
> and only flushed after batches rendering to the frontbuffer. So probably a
> bug in my code, or a flush on a given ring doesn't flush out caches for
> one of the other engines.

Right, we have a formalized interface for flushes to scanout rather than
always flushing GFDT.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre