FAILED: patch "[PATCH] accel/ivpu: Fix warning in ivpu_gem_bo_free()" failed to apply to 6.6-stable tree

The patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 91274fd4ed9ba110b02c53d71d2778b7d13b49ac
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2025062049-disperser-manager-db76@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..

Possible dependencies:

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 91274fd4ed9ba110b02c53d71d2778b7d13b49ac Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <[email protected]>
Date: Wed, 28 May 2025 19:12:20 +0200
Subject: [PATCH] accel/ivpu: Fix warning in ivpu_gem_bo_free()

Don't WARN if imported buffers are in use in ivpu_gem_bo_free() as they can be indeed used in the original context/driver.

index 5908268ca45e..248bfebeaa22 100644
@@ -285,7 +285,8 @@ static void ivpu_gem_bo_free(struct drm_gem_object *obj)
 	list_del(&bo->bo_list_node);
 	mutex_unlock(&vdev->bo_list_lock);
 
-	drm_WARN_ON(&vdev->drm, !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));
+	drm_WARN_ON(&vdev->drm, !drm_gem_is_imported(&bo->base.base) &&
+		    !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));
 	drm_WARN_ON(&vdev->drm, ivpu_bo_size(bo) == 0);
 	drm_WARN_ON(&vdev->drm, bo->base.vaddr);