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authorMonk Liu <Monk.Liu@amd.com>2017-01-09 15:54:32 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-01-27 11:13:20 -0500
commit2493664f0594d4140a5025de8e419ca2c16ccee9 (patch)
treeda101f5fd861a50807e137104c89edb42d7d5fcd /drivers/gpu/drm/amd
parent4e4bbe7343a6d8269342189329b865355fe1bb51 (diff)
drm/amdgpu:invoke CSA functions (v2)
Make sure the CSA is mapped. v2: agd: rebase. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c14
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c14
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 29d6d84d1c28..8d019ca7d9c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -771,6 +771,20 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
if (r)
return r;
+ if (amdgpu_sriov_vf(adev)) {
+ struct dma_fence *f;
+ bo_va = vm->csa_bo_va;
+ BUG_ON(!bo_va);
+ r = amdgpu_vm_bo_update(adev, bo_va, false);
+ if (r)
+ return r;
+
+ f = bo_va->last_pt_update;
+ r = amdgpu_sync_fence(adev, &p->job->sync, f);
+ if (r)
+ return r;
+ }
+
if (p->bo_list) {
for (i = 0; i < p->bo_list->num_entries; i++) {
struct dma_fence *f;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 85b36edbdd61..121b8440cf40 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1395,6 +1395,15 @@ static int amdgpu_init(struct amdgpu_device *adev)
return r;
}
adev->ip_blocks[i].status.hw = true;
+
+ /* right after GMC hw init, we create CSA */
+ if (amdgpu_sriov_vf(adev)) {
+ r = amdgpu_allocate_static_csa(adev);
+ if (r) {
+ DRM_ERROR("allocate CSA failed %d\n", r);
+ return r;
+ }
+ }
}
}
@@ -1528,6 +1537,9 @@ static int amdgpu_fini(struct amdgpu_device *adev)
adev->ip_blocks[i].status.late_initialized = false;
}
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 43169ab61a78..8f852cb152f5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -649,6 +649,12 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
goto out_suspend;
}
+ if (amdgpu_sriov_vf(adev)) {
+ r = amdgpu_map_static_csa(adev, &fpriv->vm);
+ if (r)
+ goto out_suspend;
+ }
+
mutex_init(&fpriv->bo_list_lock);
idr_init(&fpriv->bo_list_handles);
@@ -687,6 +693,14 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
amdgpu_uvd_free_handles(adev, file_priv);
amdgpu_vce_free_handles(adev, file_priv);
+ if (amdgpu_sriov_vf(adev)) {
+ /* TODO: how to handle reserve failure */
+ BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, false));
+ amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
+ fpriv->vm.csa_bo_va = NULL;
+ amdgpu_bo_unreserve(adev->virt.csa_obj);
+ }
+
amdgpu_vm_fini(adev, &fpriv->vm);
idr_for_each_entry(&fpriv->bo_list_handles, list, handle)