drm/amdgpu: fix wait_any_fence

first is incorrect if hit NULL/signaled fence

Signed-off-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index b57adc0723cb71614329682f0e2cf06db0e88fdd..233b6f2f84279edfe53dbbfb7c93efbbd56f8640 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1384,6 +1384,7 @@ static int amdgpu_cs_wait_any_fence(struct amdgpu_device *adev,
                        array[i] = fence;
                } else { /* NULL, the fence has been already signaled */
                        r = 1;
+                       first = i;
                        goto out;
                }
        }