drm/amdgpu: ignore duplicate BOs again

Looks like RADV is actually hitting this.

Signed-off-by: Christian König <[e-mail]>
Fixes: ca6c1e210aa7 ("drm/amdgpu: use the new drm_exec object for CS v3")
Acked-by: Alex Deucher <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

···
 	}
 
 	amdgpu_sync_create(&p->sync);
-	drm_exec_init(&p->exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
+	drm_exec_init(&p->exec, DRM_EXEC_INTERRUPTIBLE_WAIT |
+		      DRM_EXEC_IGNORE_DUPLICATES);
 	return 0;
 }