drm/amd: add scheduler fence implementation (v2)

scheduler fence is based on kernel fence framework.

v2: squash in Christian's build fix

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 232e800eea56..1833f05c7e0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -268,16 +268,6 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
         struct amdgpu_ctx_ring *cring = & ctx->rings[ring->idx];
         struct fence *fence;
         uint64_t queued_seq;
-        int r;
-
-        if (amdgpu_enable_scheduler) {
-                r = amd_sched_wait_emit(&cring->entity,
-                                        seq,
-                                        false,
-                                        -1);
-                if (r)
-                        return NULL;
-        }
 
         spin_lock(&ctx->ring_lock);
         if (amdgpu_enable_scheduler)