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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-04-20 12:04:26 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2018-04-20 12:04:26 -0400 |
| commit | cfec36d75b460843403c9e1392fddedf08288c9f (patch) | |
| tree | c2680c2627772aead51327fb3b21bf06ee66f72a /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | 3b7c824e9330a640312fce1b04537c684c1d602c (diff) | |
| parent | b22a1fa1b34f17ef3a5cc6007e0705375de3d5dd (diff) | |
Merge remote-tracking branch 'linux-stable/linux-4.15.y' into bcachefs-buffered-io-2
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 3a4c2fa7e36d..d582964702ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -449,14 +449,19 @@ static bool vi_read_bios_from_rom(struct amdgpu_device *adev, static void vi_detect_hw_virtualization(struct amdgpu_device *adev) { - uint32_t 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) - adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; - - if (reg & 0x80000000) - adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; + uint32_t reg = 0; + + if (adev->asic_type == CHIP_TONGA || + 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) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; + + if (reg & 0x80000000) + adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; + } if (reg == 0) { if (is_virtual_machine()) /* passthrough mode exclus sr-iov mode */ |