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drm/amdkfd: remove duplicated PCIE atomics request

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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>
This commit is contained in:
Jack Xiao 2019-05-29 13:52:17 +08:00 committed by Alex Deucher
parent b2109d8ed6
commit aabf3a951c
3 changed files with 12 additions and 6 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View File

@ -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)
{

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View File

@ -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);

10
drivers/gpu/drm/amd/amdkfd/kfd_device.c
View File

@ -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;