Signed-off-by: Maarten Lankhorst maarten.lankhorst@canonical.com --- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 20a1a866ceeb..79e950df3018 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -567,13 +567,16 @@ static int vmw_user_dmabuf_synccpu_grab(struct vmw_user_dma_buffer *user_bo, int ret;
if (flags & drm_vmw_synccpu_allow_cs) { - ret = ttm_bo_reserve(bo, true, !!(flags & drm_vmw_synccpu_dontblock), false, 0); - if (!ret) { - ret = ttm_bo_wait(bo, false, true, - !!(flags & drm_vmw_synccpu_dontblock)); - ttm_bo_unreserve(bo); - } - return ret; + long lret; + if (flags & drm_vmw_synccpu_dontblock) + return reservation_object_test_signaled_rcu(bo->resv, true) ? 0 : -EBUSY; + + lret = reservation_object_wait_timeout_rcu(bo->resv, true, true, MAX_SCHEDULE_TIMEOUT); + if (!lret) + return -EBUSY; + else if (lret < 0) + return lret; + return 0; }
ret = ttm_bo_synccpu_write_grab