Am 09.01.2017 um 09:03 schrieb 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 */ > +} You don't abstract anything by using indirect calls, so please avoid them and call the appropriate functions directly. Christian. > 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[] = {