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| author | Alex Deucher <alexander.deucher@amd.com> | 2017-12-19 09:57:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-19 23:44:13 -0500 |
| commit | 04a0d2d9a6ee9dad813efadc653a7708220f9de8 (patch) | |
| tree | cfe4bee083ad44989eff691302d5a6d57b5340ed /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | 57ad33a307bf85cafda3a77c03a555c9f9ee4139 (diff) | |
| download | lwn-04a0d2d9a6ee9dad813efadc653a7708220f9de8.tar.gz lwn-04a0d2d9a6ee9dad813efadc653a7708220f9de8.zip | |
drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields
Rather than magic numbers.
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index c59b37365e4d..da2b99c2d95f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -455,11 +455,10 @@ static void vi_detect_hw_virtualization(struct amdgpu_device *adev) adev->asic_type == CHIP_FIJI) { reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER); /* bit0: 0 means pf and 1 means vf */ - /* bit31: 0 means disable IOV and 1 means enable */ - if (reg & 1) + if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, FUNC_IDENTIFIER)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; - - if (reg & 0x80000000) + /* bit31: 0 means disable IOV and 1 means enable */ + if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, IOV_ENABLE)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; } |