drm/i915: Use provided dma_fence_is_chain

Replace open-coded helper with the subsystem one.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20250512072047.56851-1-tvrtko.ursulin@igalia.com
This commit is contained in:
Tvrtko Ursulin 2025-05-12 08:20:47 +01:00 • committed by Tvrtko Ursulin
commit 16fa6b8999