Commit 376fa6c9 authored by Mukul Joshi's avatar Mukul Joshi Committed by Alex Deucher
Browse files

drm/amdkfd: Don't partition VMID space on GFX 12.1 



There is no need to partition VMID space on GFX 12.1 when
operating in CPX mode as SDMA is not sharing MMHUB on GFX 12.1.

Signed-off-by: default avatarMukul Joshi <mukul.joshi@amd.com>
Reviewed-by: default avatarAlex Sierra <alex.sierra@amd.com>
Reviewed-by: default avatarMichael Chen <michael.chen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent aa0f09f9

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

+3 −1
Original line number Diff line number Diff line
@@ -878,7 +878,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, 
		}



		if (partition_mode == AMDGPU_CPX_PARTITION_MODE &&

		    kfd->num_nodes != 1) {

		    kfd->num_nodes != 1 &&

		    (KFD_GC_VERSION(kfd) != IP_VERSION(12, 1, 0))) {

			/* For multi-partition capable GPUs and CPX mode, first

			 * XCD gets VMID range 4-9 and second XCD gets VMID

			 * range 10-15.
@@ -899,6 +900,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, 
			node->compute_vmid_bitmap =

				gpu_resources->compute_vmid_bitmap;

		}



		node->max_proc_per_quantum = max_proc_per_quantum;

		atomic_set(&node->sram_ecc_flag, 0);