From: Alex Deucher Date: Tue, 19 Dec 2017 14:57:53 +0000 (-0500) Subject: drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields X-Git-Tag: v4.16-rc1~31^2~23^2~40 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=04a0d2d9a6ee9dad813efadc653a7708220f9de8;p=uclinux-h8%2Flinux.git drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields Rather than magic numbers. Reviewed-by: Xiangliang Yu Signed-off-by: Alex Deucher --- 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; }