Commit c5faf18b authored by David Belanger's avatar David Belanger Committed by Alex Deucher
Browse files

drm/amdkfd: Enable atomic support for GFX12 



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

Signed-off-by: default avatarDavid Belanger <david.belanger@amd.com>
Reviewed-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a921c35a

drivers/gpu/drm/amd/amdkfd/kfd_device.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c

+3 −0
Original line number Diff line number Diff line
@@ -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;