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authorJack Xiao <Jack.Xiao@amd.com>2019-05-29 13:52:17 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-07-01 14:54:47 -0500
commitaabf3a951c4e959a00e96e9ef11828149dfc81a8 (patch)
treebf674042d789ed5cae223fa9b4c31652e4b02f44
parentb2109d8ed6976569ba20da4db6eb64392ec7879d (diff)
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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h1
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c10
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;