From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 11 Jul 2017 16:59:21 +0200
Subject: drm/amdgpu: fix VM flush for CPU based updates
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Git-commit: 6f1ceabbd7091b81139e342fc2b08105bc4fa035
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
We don't have any update fence in that case, so the need
for flushing isn't detected automatically.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -422,7 +422,7 @@ static int amdgpu_vm_grab_reserved_vmid_
struct dma_fence *updates = sync->last_vm_update;
int r = 0;
struct dma_fence *flushed, *tmp;
- bool needs_flush = false;
+ bool needs_flush = vm->use_cpu_for_update;
flushed = id->flushed_updates;
if ((amdgpu_vm_had_gpu_reset(adev, id)) ||
@@ -543,11 +543,11 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *
}
kfree(fences);
- job->vm_needs_flush = false;
+ job->vm_needs_flush = vm->use_cpu_for_update;
/* Check if we can use a VMID already assigned to this VM */
list_for_each_entry_reverse(id, &id_mgr->ids_lru, list) {
struct dma_fence *flushed;
- bool needs_flush = false;
+ bool needs_flush = vm->use_cpu_for_update;
/* Check all the prerequisites to using this VMID */
if (amdgpu_vm_had_gpu_reset(adev, id))