On Tue, Jul 10, 2012 at 11:15:24AM +0100, Chris Wilson wrote: > Several functions of the GPU have the restriction that differing memory > domains cannot be placed next to each other (as the GPU may prefetch > beyond the end of one domain and hang as it crosses into the other > domain). We use the facility of the drm_mm to mark ranges with a > particular color that corresponds to the cache attributes of those pages > in order to prevent allocating adjacent blocks of differing memory > types. > > v2: Rebase ontop of drm_mm coloring v2. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch> -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48