From a7f28103374787ae43b936cd2ec2f8388958668e Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Wed, 29 Apr 2020 18:49:23 +0800 Subject: drm/amdgpu: add amdgpu_virt_get_vf_mode helper function the swsmu or powerplay(hwmgr) need to handle task according to different VF mode, this function to help query vf mode. vf mode: 1. SRIOV_VF_MODE_BARE_METAL: the driver work on host OS (PF) 2. SRIOV_VF_MODE_ONE_VF : the driver work on guest OS with one VF 3. SRIOV_VF_MODE_MULTI_VF : the driver work on guest OS with multi VF Signed-off-by: Kevin Wang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index cbbb8d02535a..f3b38c9e04ca 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -370,3 +370,19 @@ void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_RUNTIME; } + +enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev) +{ + enum amdgpu_sriov_vf_mode mode; + + if (amdgpu_sriov_vf(adev)) { + if (amdgpu_sriov_is_pp_one_vf(adev)) + mode = SRIOV_VF_MODE_ONE_VF; + else + mode = SRIOV_VF_MODE_MULTI_VF; + } else { + mode = SRIOV_VF_MODE_BARE_METAL; + } + + return mode; +} -- cgit v1.2.3-70-g09d2