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Commit 8ce1f7e7 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: allow huge invalid mappings on GMC8 



Only GMC9 supports true huge pages, but we can still free invalid mappings
on GMC8.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Acked-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent adc7bfe5

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+2 −1
Original line number Diff line number Diff line
@@ -1636,7 +1636,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, 


		shift = amdgpu_vm_level_shift(adev, cursor.level);

		parent_shift = amdgpu_vm_level_shift(adev, cursor.level - 1);

		if (adev->asic_type < CHIP_VEGA10) {

		if (adev->asic_type < CHIP_VEGA10 &&

		    (flags & AMDGPU_PTE_VALID)) {

			/* No huge page support before GMC v9 */

			if (cursor.level != AMDGPU_VM_PTB) {

				if (!amdgpu_vm_pt_descendant(adev, &cursor))