Just also wait for user fences to signal when we wait for write fences.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/dma-buf/dma-buf.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 79795857be3e..5558f4e555f8 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -225,6 +225,16 @@ static bool dma_buf_poll_add_cb(struct dma_resv *resv, bool write, dma_fence_put(fence); }
+ if (!write) + return false; + + dma_resv_for_each_fence(&cursor, resv, DMA_RESV_USAGE_USER, fence) { + dma_fence_get(fence); + r = dma_fence_add_callback(fence, &dcb->cb, dma_buf_poll_cb); + if (!r) + return true; + dma_fence_put(fence); + } return false; }