From 5fd1009b6b0a57a3b40f0d4e45f0849be9016772 Mon Sep 17 00:00:00 2001 From: Rahul Kumar Date: Thu, 12 Dec 2019 17:14:08 +0530 Subject: [PATCH 4334/4736] drm/ttm: bug fix for sproadic hard hang during closing(cttl+c) video playback Added reservation object as shared resource before adding reservation object to fence. Signed-off-by: Rahul Kumar --- drivers/gpu/drm/ttm/ttm_execbuf_util.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c index e73ae0d22897..41a8dcaa1163 100644 --- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c +++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c @@ -202,7 +202,13 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, list_for_each_entry(entry, list, head) { bo = entry->bo; if (entry->shared) + { + int r; + r = reservation_object_reserve_shared(bo->resv); + if (r) + return; reservation_object_add_shared_fence(bo->resv, fence); + } else reservation_object_add_excl_fence(bo->resv, fence); ttm_bo_add_to_lru(bo); -- 2.17.1