diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
| commit | 1e5f8a308551b9816588e12bb795aeadebe37c4a (patch) | |
| tree | bd71fc796fed24a3b7cc99df4a1d1bdaecc2b387 /drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c | |
| parent | a5e37de90e67ac1072a9a44bd0cec9f5e98ded08 (diff) | |
| parent | 46cf053efec6a3a5f343fead837777efe8252a46 (diff) | |
Merge tag 'v5.5-rc3' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c index 5e9ab8eb214a..c0ab71df0d90 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c @@ -33,16 +33,31 @@ int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev) u32 xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_CNTL); u32 max_region = REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION); + u32 max_num_physical_nodes = 0; + u32 max_physical_node_id = 0; + + switch (adev->asic_type) { + case CHIP_VEGA20: + max_num_physical_nodes = 4; + max_physical_node_id = 3; + break; + case CHIP_ARCTURUS: + max_num_physical_nodes = 8; + max_physical_node_id = 7; + break; + default: + return -EINVAL; + } /* PF_MAX_REGION=0 means xgmi is disabled */ if (max_region) { adev->gmc.xgmi.num_physical_nodes = max_region + 1; - if (adev->gmc.xgmi.num_physical_nodes > 4) + if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes) return -EINVAL; adev->gmc.xgmi.physical_node_id = REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_LFB_REGION); - if (adev->gmc.xgmi.physical_node_id > 3) + if (adev->gmc.xgmi.physical_node_id > max_physical_node_id) return -EINVAL; adev->gmc.xgmi.node_segment_size = REG_GET_FIELD( RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE), |