drm/amdgpu: new implement for fence_wait_any (v2)
origninal method will sleep/schedule at the granurarity of HZ/2 and
based on seq signal method, the new implement is based on kernel fance
interface, no unnecessary schedule at all
v2: replace logic of original amdgpu_fence_wait_any
Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index eb20987..f4e20ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -350,7 +350,8 @@
} while (amdgpu_sa_bo_next_hole(sa_manager, fences, tries));
spin_unlock(&sa_manager->wq.lock);
- r = amdgpu_fence_wait_any(adev, fences, false);
+ r = amdgpu_fence_wait_any(adev, fences, false, MAX_SCHEDULE_TIMEOUT);
+ r = (r > 0) ? 0 : r;
spin_lock(&sa_manager->wq.lock);
/* if we have nothing to wait for block */
if (r == -ENOENT) {