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path: root/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
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2022-09-01drm/amdgpu: add sriov nbio callback structureHorace Chen
[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>
2022-06-08drm/amdgpu: avoid to perform undesired clockgating operationEvan Quan
Make sure the clockgating feature is supported before action. Otherwise, the feature may be disabled unexpectedly on enablement request. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-08drm/amdgpu: enable ASPM support for PCIE 7.4.0/7.6.0Evan Quan
Enable ASPM support for PCIE 7.4.0 and 7.6.0. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add nbio v4_3_0 ip block v2Stanley.Yang
This adds nbio v4_3_0 ip block support Changed from v1: use WREG32_SOC15/RREG32_SOC15 instead of WREG32_PCIE/RREG32_PCIE remove the programming of PCIE_CONFIG_CNTL Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>