[Intel-gfx] [PATCH 1/2] drm/i915: Unconditionally do fb tracking invalidate in set_domain

[Chris Wilson]

On Thu, Jun 25, 2015 at 11:47:22PM +0200, Daniel Vetter wrote:
> We can't elide the fb tracking invalidate if the buffer is already in
> the right domain since that would lead to missed screen updates. I'm
> pretty sure I've written this already before but must have gotten lost
> unfortunately :(
> 
> Reported-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

Note that I have a variant on this that observes that internally users
all honor the fb invalidation and so we can move this into the
set-domain ioctl.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre