[PATCH 12/14] drm/amdkfd: Enable atomic support for GFX12

[Alex Deucher]

From: David Belanger <david.belan...@amd.com>

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

Signed-off-by: David Belanger <david.belan...@amd.com>
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c          | 2 ++
 drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 093987b1e373e..5e5c6acb08bea 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -230,6 +230,8 @@ 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;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
index aa900b651eb0e..b7a08e7a44234 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
@@ -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;
-- 
2.44.0