From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 19 Dec 2017 09:57:53 -0500
Subject: drm/amdgpu: use defines for mmBIF_IOV_FUNC_IDENTIFIER fields
Git-commit: 04a0d2d9a6ee9dad813efadc653a7708220f9de8
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Rather than magic numbers.
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/vi.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- 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(
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;
}