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From 721a0d75e998a15de07b7cbe87fc4c33b5d7bf88 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 19 Dec 2017 09:57:53 -0500
Subject: [PATCH 2991/4131] drm/amdgpu: use defines for
mmBIF_IOV_FUNC_IDENTIFIER fields
Rather than magic numbers.
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
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 2687eca..729f7e5 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;
}
--
2.7.4
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