drm/i915: Invalidate the TLBs on each GT

With multi-GT devices, the object may have been bound on each GT and so
we need to invalidate the TLBs across all GT before releasing the pages
back to the system.

Fixes: d6c531a ("drm/i915: Invalidate the TLBs on each GT")
Signed-off-by: Chris Wilson <[email protected]>
Signed-off-by: Jonathan Cavitt <[email protected]>
CC: Matt Roper <[email protected]>
CC: Andi Shyti <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Reviewed-by: Nirmoy Das <[email protected]>
Signed-off-by: Andi Shyti <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: ickle-intel

drivers/gpu/drm/i915/gem/i915_gem_pages.c

@@ -198,7 +198,7 @@ static void flush_tlb_invalidate(struct drm_i915_gem_object *obj)
 
 	for_each_gt(gt, i915, id) {
 		if (!obj->mm.tlb[id])
-			return;
+			continue;
 
 		intel_gt_invalidate_tlb_full(gt, obj->mm.tlb[id]);
 		obj->mm.tlb[id] = 0;