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drm/amdkfd: Enable atomic support for GFX12

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Enable flag in KFD and set the atomic support bit in MQD.

Signed-off-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Belanger 2024-03-01 18:24:30 -05:00 committed by Alex Deucher
parent a921c35ae5
commit c5faf18bbe
2 changed files with 5 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_device.c
View File

@ -232,6 +232,8 @@ static void kfd_device_info_init(struct kfd_dev *kfd,
*/
kfd->device_info.needs_pci_atomics = true;
kfd->device_info.no_atomic_fw_version = kfd->adev->gfx.rs64_enable ? 509 : 0;
} else {
kfd->device_info.needs_pci_atomics = true;
}
} else {
kfd->device_info.doorbell_size = 4;

3
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
View File

@ -135,6 +135,9 @@ static void init_mqd(struct mqd_manager *mm, void **mqd,
*/
m->cp_hqd_hq_status0 = 1 << 14;
if (amdgpu_amdkfd_have_atomics_support(mm->dev->adev))
m->cp_hqd_hq_status0 |= 1 << 29;
if (q->format == KFD_QUEUE_FORMAT_AQL) {
m->cp_hqd_aql_control =
1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT;