drm/i915: Update flush_all_caches() to take request structures

Updated the *_ring_flush_all_caches() functions to take requests instead of
rings or ringbuf/context pairs.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Tomas Elf <tomas.elf@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 79c4c32..25fe1ef 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2507,9 +2507,9 @@
 	 */
 	if (flush_caches) {
 		if (i915.enable_execlists)
-			ret = logical_ring_flush_all_caches(ringbuf, request->ctx);
+			ret = logical_ring_flush_all_caches(request);
 		else
-			ret = intel_ring_flush_all_caches(ring);
+			ret = intel_ring_flush_all_caches(request);
 		/* Not allowed to fail! */
 		WARN(ret, "*_ring_flush_all_caches failed: %d!\n", ret);
 	}