[Intel-gfx] [PATCH v6 4/6] drm/i915/gen8: Add WaFlushCoherentL3CacheLinesAtContextSwitch workaround

[Chris Wilson]

On Fri, Jun 19, 2015 at 06:37:13PM +0100, Arun Siluvery wrote:
> In Indirect context w/a batch buffer,
> +WaFlushCoherentL3CacheLinesAtContextSwitch:bdw
> 
> v2: Add LRI commands to set/reset bit that invalidates coherent lines,
> update WA to include programming restrictions and exclude CHV as
> it is not required (Ville)
> 
> v3: Avoid unnecessary read when it can be done by reading register once (Chris).
> 
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Dave Gordon <david.s.gordon at intel.com>
> Signed-off-by: Rafael Barbalho <rafael.barbalho at intel.com>
> Signed-off-by: Arun Siluvery <arun.siluvery at linux.intel.com>

Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre