diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.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 | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c new file mode 100644 index 0000000000..90f0aefbdb --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c @@ -0,0 +1,111 @@ +/* + * 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" + +#define mmMC_VM_XGMI_LFB_CNTL_ALDE 0x0978 +#define mmMC_VM_XGMI_LFB_CNTL_ALDE_BASE_IDX 0 +#define mmMC_VM_XGMI_LFB_SIZE_ALDE 0x0979 +#define mmMC_VM_XGMI_LFB_SIZE_ALDE_BASE_IDX 0 +//MC_VM_XGMI_LFB_CNTL +#define MC_VM_XGMI_LFB_CNTL_ALDE__PF_LFB_REGION__SHIFT 0x0 +#define MC_VM_XGMI_LFB_CNTL_ALDE__PF_MAX_REGION__SHIFT 0x4 +#define MC_VM_XGMI_LFB_CNTL_ALDE__PF_LFB_REGION_MASK 0x0000000FL +#define MC_VM_XGMI_LFB_CNTL_ALDE__PF_MAX_REGION_MASK 0x000000F0L +//MC_VM_XGMI_LFB_SIZE +#define MC_VM_XGMI_LFB_SIZE_ALDE__PF_LFB_SIZE__SHIFT 0x0 +#define MC_VM_XGMI_LFB_SIZE_ALDE__PF_LFB_SIZE_MASK 0x0001FFFFL + +int gfxhub_v1_1_get_xgmi_info(struct amdgpu_device *adev) +{ + u32 max_num_physical_nodes; + u32 max_physical_node_id; + u32 xgmi_lfb_cntl; + u32 max_region; + u64 seg_size; + + if (adev->asic_type == CHIP_ALDEBARAN) { + xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_CNTL_ALDE); + seg_size = REG_GET_FIELD( + RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE_ALDE), + MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24; + max_region = + REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE, PF_MAX_REGION); + } else { + xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_CNTL); + seg_size = REG_GET_FIELD( + RREG32_SOC15(GC, 0, mmMC_VM_XGMI_LFB_SIZE), + MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24; + max_region = + REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION); + } + + + + 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; + case CHIP_ALDEBARAN: + max_num_physical_nodes = 16; + max_physical_node_id = 15; + break; + default: + return -EINVAL; + } + + /* PF_MAX_REGION=0 means xgmi is disabled */ + if (max_region || adev->gmc.xgmi.connected_to_cpu) { + adev->gmc.xgmi.num_physical_nodes = max_region + 1; + + if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes) + return -EINVAL; + + if (adev->asic_type == CHIP_ALDEBARAN) { + adev->gmc.xgmi.physical_node_id = + REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE, + PF_LFB_REGION); + } else { + 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 = seg_size; + } + + return 0; +} |