diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 19a3f9ba545b..0c6f983fb2ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3855,21 +3855,24 @@ int amdgpu_device_init(struct amdgpu_device *adev, } /* enable PCIE atomic ops */ - if (amdgpu_sriov_vf(adev)) - adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) - adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags == - (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); + if (amdgpu_sriov_vf(adev)) { + if (adev->virt.fw_reserve.p_pf2vf) + adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) + adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags == + (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); /* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a * internal path natively support atomics, set have_atomics_support to true. */ - else if ((adev->flags & AMD_IS_APU) && - (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))) + } else if ((adev->flags & AMD_IS_APU) && + (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))) { adev->have_atomics_support = true; - else + } else { adev->have_atomics_support = !pci_enable_atomic_ops_to_root(adev->pdev, PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); + } + if (!adev->have_atomics_support) dev_info(adev->dev, "PCIE atomic ops is not supported\n"); @@ -3885,7 +3888,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, amdgpu_reset_init(adev); /* detect if we are with an SRIOV vbios */ - amdgpu_device_detect_sriov_bios(adev); + if (adev->bios) + amdgpu_device_detect_sriov_bios(adev); /* check if we need to reset the asic * E.g., driver was not cleanly unloaded previously, etc. |