[PATCH 5/7] drm/amdgpu:set static csa function

[Monk Liu]

Change-Id: Ib59c9e7f37a10ef1d6335d400ab41fe3cc9e2fb6
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 ++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 2 ++
 drivers/gpu/drm/amd/amdgpu/vi.c          | 3 +++
 3 files changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 5b15483..8f9dff5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -132,3 +132,11 @@ static void amdgpu_unmap_static_csa(struct amdgpu_device *adev, struct amdgpu_vm
 		vm->vm_virt.vm_csa_addr = vm->vm_virt.vm_gds_addr = 0;
 	}
 }
+
+void amdgpu_virt_set_csa_funcs(struct amdgpu_device *adev) {
+	adev->virt.allocate_csa = amdgpu_allocate_static_csa;
+	adev->virt.deallocate_csa = amdgpu_deallocate_static_csa;
+	adev->virt.map_csa = amdgpu_map_static_csa;
+	adev->virt.unmap_csa = amdgpu_unmap_static_csa;
+	adev->virt.csa_size = 8 * 1024; /* two page now for VI and AI */
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 5aa7f0c..f036d3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -73,4 +73,6 @@ static inline bool is_virtual_machine(void)
 #endif
 }
 
+void amdgpu_virt_set_csa_funcs(struct amdgpu_device *adev);
+
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 7350a8f..42e96cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -455,6 +455,9 @@ static void vi_detect_hw_virtualization(struct amdgpu_device *adev)
 		if (is_virtual_machine()) /* passthrough mode exclus sr-iov mode */
 			adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
 	}
+
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_set_csa_funcs(adev);
 }
 
 static const struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = {
-- 
2.7.4