From 04a0d2d9a6ee9dad813efadc653a7708220f9de8 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 19 Dec 2017 09:57:53 -0500 Subject: [PATCH] drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields Rather than magic numbers. Reviewed-by: Xiangliang Yu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index c59b37365e4d..da2b99c2d95f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -455,11 +455,10 @@ static void vi_detect_hw_virtualization(struct amdgpu_device *adev) adev->asic_type == CHIP_FIJI) { reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER); /* bit0: 0 means pf and 1 means vf */ - /* bit31: 0 means disable IOV and 1 means enable */ - if (reg & 1) + if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, FUNC_IDENTIFIER)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF; - - if (reg & 0x80000000) + /* bit31: 0 means disable IOV and 1 means enable */ + if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, IOV_ENABLE)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; } -- 2.30.2