drm/etnaviv: move dependency handling to scheduler

Move the fence dependency handling to the scheduler where it belongs.
Jobs with unsignaled dependencies just get to sit in the scheduler queue
without holding any locks.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

1 files changed, 0 insertions, 48 deletions

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index fa5063010435..22a09c0680d6 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1084,54 +1084,6 @@ static struct dma_fence *etnaviv_gpu_fence_alloc(struct etnaviv_gpu *gpu)
 	return &f->base;
 }
 
-int etnaviv_gpu_fence_sync_obj(struct etnaviv_gem_object *etnaviv_obj,
-	unsigned int context, bool exclusive, bool explicit)
-{
-	struct reservation_object *robj = etnaviv_obj->resv;
-	struct reservation_object_list *fobj;
-	struct dma_fence *fence;
-	int i, ret;
-
-	if (!exclusive) {
-		ret = reservation_object_reserve_shared(robj);
-		if (ret)
-			return ret;
-	}
-
-	if (explicit)
-		return 0;
-
-	/*
-	 * If we have any shared fences, then the exclusive fence
-	 * should be ignored as it will already have been signalled.
-	 */
-	fobj = reservation_object_get_list(robj);
-	if (!fobj || fobj->shared_count == 0) {
-		/* Wait on any existing exclusive fence which isn't our own */
-		fence = reservation_object_get_excl(robj);
-		if (fence && fence->context != context) {
-			ret = dma_fence_wait(fence, true);
-			if (ret)
-				return ret;
-		}
-	}
-
-	if (!exclusive || !fobj)
-		return 0;
-
-	for (i = 0; i < fobj->shared_count; i++) {
-		fence = rcu_dereference_protected(fobj->shared[i],
-						reservation_object_held(robj));
-		if (fence->context != context) {
-			ret = dma_fence_wait(fence, true);
-			if (ret)
-				return ret;
-		}
-	}
-
-	return 0;
-}
-
 /*
  * event management:
  */