Commit 1ded9071 authored by Mukul Joshi's avatar Mukul Joshi Committed by Alex Deucher
Browse files

drm/amdkfd: Override KFD SVM mappings for GFX 12.1 



Override the local MTYPE mappings in KFD SVM code with mtype_local
modprobe param for GFX 12.1.

Signed-off-by: default avatarMukul Joshi <mukul.joshi@amd.com>
Reviewed-by: default avatarAlex Sierra <alex.sierra@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 005b7f7f

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

+3 −1
Original line number Diff line number Diff line
@@ -1309,9 +1309,11 @@ svm_range_get_pte_flags(struct kfd_node *node, struct amdgpu_vm *vm, 
	case IP_VERSION(12, 1, 0):

		snoop = true;

		if (domain == SVM_RANGE_VRAM_DOMAIN) {

			mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC :

								AMDGPU_VM_MTYPE_RW;

			/* local HBM  */

			if (bo_node->adev == node->adev)

				mapping_flags |= AMDGPU_VM_MTYPE_RW;

				mapping_flags |= mtype_local;

			/* Remote GPU memory */

			else

				mapping_flags |= ext_coherent ? AMDGPU_VM_MTYPE_UC :