Good catch, Reviewed-by: Chunming Zhou <david1.zhou at amd.com> -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Junwei Zhang Sent: Monday, June 04, 2018 10:04 AM To: amd-gfx at lists.freedesktop.org Cc: Zhang, Jerry <Jerry.Zhang at amd.com> Subject: [PATCH] drm/amdgpu: skip huge page for PRT mapping PRT mapping doesn't support huge page, since it's per PTE basis. Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 850cd66..4ce8bb0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1111,7 +1111,8 @@ static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p, /* In the case of a mixed PT the PDE must point to it*/ if (p->adev->asic_type >= CHIP_VEGA10 && !p->src && - nptes == AMDGPU_VM_PTE_COUNT(p->adev)) { + nptes == AMDGPU_VM_PTE_COUNT(p->adev) && + !(flags & AMDGPU_PTE_PRT)) { /* Set the huge page flag to stop scanning at this PDE */ flags |= AMDGPU_PDE_PTE; } -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
