<p dir="ltr">Does this fix the issue I was seeing since the new memory manager went into thr 4.9-wip branch?</p>
<br><div class="gmail_quote"><div dir="ltr">On Fri, 16 Sep 2016, 10:48 am Christian König, <<a href="mailto:deathsimple@vodafone.de">deathsimple@vodafone.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">From: Christian König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>><br>
<br>
We need to access those with the system domain.<br>
<br>
Fixes fallout from only allocating GTT space on demand.<br>
<br>
Signed-off-by: Christian König <<a href="mailto:christian.koenig@amd.com" target="_blank">christian.koenig@amd.com</a>><br>
---<br>
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 +++++++++++++++++<br>
 1 file changed, 17 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
index a6a48ed..8928a2a 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
@@ -552,6 +552,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,<br>
        if (r)<br>
                goto error;<br>
<br>
+       r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);<br>
+       if (r)<br>
+               goto error;<br>
+<br>
        addr = amdgpu_bo_gpu_offset(bo);<br>
        entries = amdgpu_bo_size(bo) / 8;<br>
<br>
@@ -625,6 +629,11 @@ static int amdgpu_vm_update_pd_or_shadow(struct amdgpu_device *adev,<br>
<br>
        if (!pd)<br>
                return 0;<br>
+<br>
+       r = amdgpu_ttm_bind(&pd->tbo, &pd->tbo.mem);<br>
+       if (r)<br>
+               return r;<br>
+<br>
        pd_addr = amdgpu_bo_gpu_offset(pd);<br>
        ring = container_of(vm->entity.sched, struct amdgpu_ring, sched);<br>
<br>
@@ -650,6 +659,14 @@ static int amdgpu_vm_update_pd_or_shadow(struct amdgpu_device *adev,<br>
                if (bo == NULL)<br>
                        continue;<br>
<br>
+               if (bo->shadow) {<br>
+                       struct amdgpu_bo *shadow = bo->shadow;<br>
+<br>
+                       r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);<br>
+                       if (r)<br>
+                               return r;<br>
+               }<br>
+<br>
                pt = amdgpu_bo_gpu_offset(bo);<br>
                if (!shadow) {<br>
                        if (vm->page_tables[pt_idx].addr == pt)<br>
--<br>
2.5.0<br>
<br>
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</blockquote></div>