diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c index 17509f32f61a..deb95fab02df 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c @@ -505,42 +505,6 @@ static void gfxhub_v2_1_init(struct amdgpu_device *adev) hub->vmhub_funcs = &gfxhub_v2_1_vmhub_funcs; } -static int gfxhub_v2_1_get_xgmi_info(struct amdgpu_device *adev) -{ - u32 xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_CNTL); - u32 max_region = - REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_MAX_REGION); - u32 max_num_physical_nodes = 0; - u32 max_physical_node_id = 0; - - switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) { - case IP_VERSION(4, 8, 0): - max_num_physical_nodes = 4; - max_physical_node_id = 3; - 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 > max_num_physical_nodes) - return -EINVAL; - - adev->gmc.xgmi.physical_node_id = - REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_LFB_REGION); - 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, mmGCMC_VM_XGMI_LFB_SIZE), - GCMC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24; - } - - return 0; -} - static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev) { int i; @@ -696,7 +660,6 @@ const struct amdgpu_gfxhub_funcs gfxhub_v2_1_funcs = { .gart_disable = gfxhub_v2_1_gart_disable, .set_fault_enable_default = gfxhub_v2_1_set_fault_enable_default, .init = gfxhub_v2_1_init, - .get_xgmi_info = gfxhub_v2_1_get_xgmi_info, .utcl2_harvest = gfxhub_v2_1_utcl2_harvest, .mode2_save_regs = gfxhub_v2_1_save_regs, .mode2_restore_regs = gfxhub_v2_1_restore_regs, |