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authorHorace Chen <horace.chen@amd.com>2022-07-21 06:57:44 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-09-01 22:11:00 +0300
commit119dc6c50eb9974e9dc0e6a17d8207592309c940 (patch)
tree20bc258f21394953298dc1446be618117a672cbb /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
parent09872b1c24220985c17e2d46737e1bb300f49ba0 (diff)
downloadlinux-119dc6c50eb9974e9dc0e6a17d8207592309c940.tar.xz
drm/amdgpu: add sriov nbio callback structure
[Why] under SR-IOV, the nbio doorbell range will be defined by PF. So VF nbio doorbell range registers will be blocked. It will cause violation if VF access those registers directly. [How] create an nbio_v4_3_sriov_funcs for sriov nbio_v4_3 initialization to skip the setting for the doorbell range registers. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Horace Chen <horace.chen@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 5fd56ebc3f6c..854ca8d4505b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -2242,7 +2242,10 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
break;
case IP_VERSION(4, 3, 0):
case IP_VERSION(4, 3, 1):
- adev->nbio.funcs = &nbio_v4_3_funcs;
+ if (amdgpu_sriov_vf(adev))
+ adev->nbio.funcs = &nbio_v4_3_sriov_funcs;
+ else
+ adev->nbio.funcs = &nbio_v4_3_funcs;
adev->nbio.hdp_flush_reg = &nbio_v4_3_hdp_flush_reg;
break;
case IP_VERSION(7, 7, 0):