f0312f45a0
Added max hive/node info checks per supported ASIC Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
|
|
* Copyright 2018 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
#include "amdgpu.h"
|
|
#include "gfxhub_v1_1.h"
|
|
|
|
#include "gc/gc_9_2_1_offset.h"
|
|
#include "gc/gc_9_2_1_sh_mask.h"
|
|
|
|
#include "soc15_common.h"
|
|
|
|
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 > 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 > max_physical_node_id)
|
|
return -EINVAL;
|
|
adev->gmc.xgmi.node_segment_size = REG_GET_FIELD(
|
|
RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE),
|
|
MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
|
|
}
|
|
|
|
return 0;
|
|
}
|