diff options
| author |   Jack Xiao <Jack.Xiao@amd.com> | 2019-05-29 13:52:17 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-07-01 14:54:47 -0500 |
| commit | aabf3a951c4e959a00e96e9ef11828149dfc81a8 (patch) | |
| tree | bf674042d789ed5cae223fa9b4c31652e4b02f44 /drivers/gpu/drm/amd | |
| parent | drm/amdgpu: enable PCIE atomics ops support (diff) | |
| download | linux-dev-aabf3a951c4e959a00e96e9ef11828149dfc81a8.tar.xz linux-dev-aabf3a951c4e959a00e96e9ef11828149dfc81a8.zip | |
drm/amdkfd: remove duplicated PCIE atomics request
Since amdgpu has always requested PCIE atomics, kfd don't
need duplicated PCIE atomics enablement. Referring to amdgpu
request result is enough.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 10 |
3 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index fab3eb173b05..9fa4f25a3745 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -668,6 +668,13 @@ bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid) return false; } +bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; + + return adev->have_atomics_support; +} + #ifndef CONFIG_HSA_AMD bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 93a25c799d75..b6076d19e442 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -135,6 +135,7 @@ int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, uint32_t vmid, uint64_t gpu_addr, uint32_t *ib_cmd, uint32_t ib_len); void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle); +bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd); struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 2e2f7241f381..24db82b61b0b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -504,17 +504,15 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, * 32 and 64-bit requests are possible and must be * supported. */ - ret = pci_enable_atomic_ops_to_root(pdev, - PCI_EXP_DEVCAP2_ATOMIC_COMP32 | - PCI_EXP_DEVCAP2_ATOMIC_COMP64); - if (device_info->needs_pci_atomics && ret < 0) { + kfd->pci_atomic_requested = amdgpu_amdkfd_have_atomics_support(kgd); + if (device_info->needs_pci_atomics && + !kfd->pci_atomic_requested) { dev_info(kfd_device, "skipped device %x:%x, PCI rejects atomics\n", pdev->vendor, pdev->device); kfree(kfd); return NULL; - } else if (!ret) - kfd->pci_atomic_requested = true; + } kfd->kgd = kgd; kfd->device_info = device_info; |