drm/amdkfd: add MEC version that supports no PCIe atomics for GFX12

Add MEC version from which alternate support for no PCIe atomics
is provided so that device is not skipped during KFD device init in
GFX1200/GFX1201.

Signed-off-by: Sreekant Somasekharan <sreekant.somasekharan@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.11.x

Author: Sreekant Somasekharan

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

@@ -235,6 +235,9 @@ 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 if (gc_version < IP_VERSION(13, 0, 0)) {
+			kfd->device_info.needs_pci_atomics = true;
+			kfd->device_info.no_atomic_fw_version = 2090;
 		} else {
 			kfd->device_info.needs_pci_atomics = true;
 		}