diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2991-drm-amdgpu-use-defines-for-mmBIF_IOV_FUNC_IDENTIFIER.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2991-drm-amdgpu-use-defines-for-mmBIF_IOV_FUNC_IDENTIFIER.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2991-drm-amdgpu-use-defines-for-mmBIF_IOV_FUNC_IDENTIFIER.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2991-drm-amdgpu-use-defines-for-mmBIF_IOV_FUNC_IDENTIFIER.patch new file mode 100644 index 00000000..38571b34 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2991-drm-amdgpu-use-defines-for-mmBIF_IOV_FUNC_IDENTIFIER.patch @@ -0,0 +1,36 @@ +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 + |