From 7645670decdb677e2f415ff91609d31e5d4777d8 Mon Sep 17 00:00:00 2001 From: Christian König Date: Thu, 6 Apr 2017 17:52:39 +0200 Subject: drm/amdgpu: split VMID management by VMHUB MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This way GFX and MM won't fight for VMIDs any more. Initially disabled since we need to stop flushing all HUBS at the same time as well. Signed-off-by: Christian König Reviewed-by: Andres Rodriguez Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index aab857d89d03..2d11ac8d1aa9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -217,7 +217,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, if (r) { dev_err(adev->dev, "failed to emit fence (%d)\n", r); if (job && job->vm_id) - amdgpu_vm_reset_id(adev, job->vm_id); + amdgpu_vm_reset_id(adev, ring->funcs->vmhub, + job->vm_id); amdgpu_ring_undo(ring); return r; } -- cgit From 30514decb27d45b98599612cb5d3e6a20ba733a5 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Tue, 9 May 2017 13:39:40 +0800 Subject: drm/amdgpu: fix dependency issue MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The problem is that executing the jobs in the right order doesn't give you the right result because consecutive jobs executed on the same engine are pipelined. In other words job B does it buffer read before job A has written it's result. Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 2d11ac8d1aa9..6e4ae0d983c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -160,6 +160,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, dev_err(adev->dev, "scheduling IB failed (%d).\n", r); return r; } + if (ring->funcs->emit_pipeline_sync && job && job->need_pipeline_sync) + amdgpu_ring_emit_pipeline_sync(ring); if (vm) { r = amdgpu_vm_flush(ring, job); -- cgit