Files
linux/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
Le Ma 216779827f drm/amdgpu: add helpers to access cross-die registers smn addr for soc v1_0
Encode die_id/socket_id for upper 32bits of soc v1_0 registers SMN address.

v2: fix logical error caught by clang

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05 16:59:57 -05:00

863 lines
24 KiB
C

/*
* Copyright 2025 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 "soc15.h"
#include "soc15_common.h"
#include "soc_v1_0.h"
#include "amdgpu_ip.h"
#include "amdgpu_imu.h"
#include "gfxhub_v12_1.h"
#include "sdma_v7_1.h"
#include "gfx_v12_1.h"
#include "gc/gc_12_1_0_offset.h"
#include "gc/gc_12_1_0_sh_mask.h"
#include "mp/mp_15_0_8_offset.h"
#define XCC_REG_RANGE_0_LOW 0x1260 /* XCC gfxdec0 lower Bound */
#define XCC_REG_RANGE_0_HIGH 0x3C00 /* XCC gfxdec0 upper Bound */
#define XCC_REG_RANGE_1_LOW 0xA000 /* XCC gfxdec1 lower Bound */
#define XCC_REG_RANGE_1_HIGH 0x10000 /* XCC gfxdec1 upper Bound */
#define NORMALIZE_XCC_REG_OFFSET(offset) \
(offset & 0xFFFF)
/* Initialized doorbells for amdgpu including multimedia
* KFD can use all the rest in 2M doorbell bar */
static void soc_v1_0_doorbell_index_init(struct amdgpu_device *adev)
{
int i;
adev->doorbell_index.kiq = AMDGPU_SOC_V1_0_DOORBELL_KIQ_START;
adev->doorbell_index.mec_ring0 = AMDGPU_SOC_V1_0_DOORBELL_MEC_RING_START;
adev->doorbell_index.mes_ring0 = AMDGPU_SOC_V1_0_DOORBELL_MES_RING0;
adev->doorbell_index.mes_ring1 = AMDGPU_SOC_V1_0_DOORBELL_MES_RING1;
adev->doorbell_index.userqueue_start = AMDGPU_SOC_V1_0_DOORBELL_USERQUEUE_START;
adev->doorbell_index.userqueue_end = AMDGPU_SOC_V1_0_DOORBELL_USERQUEUE_END;
adev->doorbell_index.xcc_doorbell_range = AMDGPU_SOC_V1_0_DOORBELL_XCC_RANGE;
adev->doorbell_index.sdma_doorbell_range = 20;
for (i = 0; i < adev->sdma.num_instances; i++)
adev->doorbell_index.sdma_engine[i] =
AMDGPU_SOC_V1_0_DOORBELL_sDMA_ENGINE_START +
i * (adev->doorbell_index.sdma_doorbell_range >> 1);
adev->doorbell_index.ih = AMDGPU_SOC_V1_0_DOORBELL_IH;
adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_SOC_V1_0_DOORBELL_VCN_START;
adev->doorbell_index.first_non_cp = AMDGPU_SOC_V1_0_DOORBELL_FIRST_NON_CP;
adev->doorbell_index.last_non_cp = AMDGPU_SOC_V1_0_DOORBELL_LAST_NON_CP;
adev->doorbell_index.max_assignment = AMDGPU_SOC_V1_0_DOORBELL_MAX_ASSIGNMENT << 1;
}
/* Fixed pattern for upper 32bits smn addressing.
* bit[47:40]: Socket ID
* bit[39:34]: Die ID
* bit[32]: local or remote die in same socket
* The ext_id is comprised of socket_id and die_id.
* ext_id = (socket_id << 6) | (die_id)
*/
u64 soc_v1_0_encode_ext_smn_addressing(int ext_id)
{
u64 ext_offset;
int socket_id, die_id;
/* local die routing for MID0 on local socket */
if (ext_id == 0)
return 0;
die_id = ext_id & 0x3;
socket_id = (ext_id >> 6) & 0xff;
/* Initiated from host, accessing to non-MID0 is cross-die traffic */
if (socket_id == 0)
ext_offset = ((u64)die_id << 34) | (1ULL << 32);
else if (socket_id != 0 && die_id != 0)
ext_offset = ((u64)socket_id << 40) | ((u64)die_id << 34) |
(3ULL << 32);
else
ext_offset = ((u64)socket_id << 40) | (1ULL << 33);
return ext_offset;
}
static u32 soc_v1_0_get_config_memsize(struct amdgpu_device *adev)
{
return adev->nbio.funcs->get_memsize(adev);
}
static u32 soc_v1_0_get_xclk(struct amdgpu_device *adev)
{
return adev->clock.spll.reference_freq;
}
void soc_v1_0_grbm_select(struct amdgpu_device *adev,
u32 me, u32 pipe,
u32 queue, u32 vmid,
int xcc_id)
{
u32 grbm_gfx_cntl = 0;
grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
WREG32_SOC15_RLC_SHADOW(GC, xcc_id, regGRBM_GFX_CNTL, grbm_gfx_cntl);
}
static struct soc15_allowed_register_entry soc_v1_0_allowed_read_registers[] = {
{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS) },
{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS2) },
{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS3) },
{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE0) },
{ SOC15_REG_ENTRY(GC, 0, regGRBM_STATUS_SE1) },
{ SOC15_REG_ENTRY(GC, 0, regCP_STAT) },
{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT1) },
{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT2) },
{ SOC15_REG_ENTRY(GC, 0, regCP_STALLED_STAT3) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_BUSY_STAT) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_STALLED_STAT1) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPF_STATUS) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_BUSY_STAT) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_STALLED_STAT1) },
{ SOC15_REG_ENTRY(GC, 0, regCP_CPC_STATUS) },
{ SOC15_REG_ENTRY(GC, 0, regGB_ADDR_CONFIG_1) },
};
static uint32_t soc_v1_0_read_indexed_register(struct amdgpu_device *adev,
u32 se_num,
u32 sh_num,
u32 reg_offset)
{
uint32_t val;
mutex_lock(&adev->grbm_idx_mutex);
if (se_num != 0xffffffff || sh_num != 0xffffffff)
amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff, 0);
val = RREG32(reg_offset);
if (se_num != 0xffffffff || sh_num != 0xffffffff)
amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, 0);
mutex_unlock(&adev->grbm_idx_mutex);
return val;
}
static uint32_t soc_v1_0_get_register_value(struct amdgpu_device *adev,
bool indexed, u32 se_num,
u32 sh_num, u32 reg_offset)
{
if (indexed) {
return soc_v1_0_read_indexed_register(adev, se_num, sh_num, reg_offset);
} else {
if (reg_offset == SOC15_REG_OFFSET(GC, 0, regGB_ADDR_CONFIG_1) &&
adev->gfx.config.gb_addr_config)
return adev->gfx.config.gb_addr_config;
return RREG32(reg_offset);
}
}
static int soc_v1_0_read_register(struct amdgpu_device *adev,
u32 se_num, u32 sh_num,
u32 reg_offset, u32 *value)
{
uint32_t i;
struct soc15_allowed_register_entry *en;
*value = 0;
for (i = 0; i < ARRAY_SIZE(soc_v1_0_allowed_read_registers); i++) {
en = &soc_v1_0_allowed_read_registers[i];
if (!adev->reg_offset[en->hwip][en->inst])
continue;
else if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
+ en->reg_offset))
continue;
*value = soc_v1_0_get_register_value(adev,
soc_v1_0_allowed_read_registers[i].grbm_indexed,
se_num, sh_num, reg_offset);
return 0;
}
return -EINVAL;
}
static bool soc_v1_0_need_full_reset(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(12, 1, 0):
default:
return true;
}
}
static bool soc_v1_0_need_reset_on_init(struct amdgpu_device *adev)
{
u32 sol_reg;
if (adev->flags & AMD_IS_APU)
return false;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81);
if (sol_reg)
return true;
return false;
}
static int soc_v1_0_asic_reset(struct amdgpu_device *adev)
{
return 0;
}
static const struct amdgpu_asic_funcs soc_v1_0_asic_funcs = {
.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
.read_register = &soc_v1_0_read_register,
.get_config_memsize = &soc_v1_0_get_config_memsize,
.get_xclk = &soc_v1_0_get_xclk,
.need_full_reset = &soc_v1_0_need_full_reset,
.init_doorbell_index = &soc_v1_0_doorbell_index_init,
.need_reset_on_init = &soc_v1_0_need_reset_on_init,
.encode_ext_smn_addressing = &soc_v1_0_encode_ext_smn_addressing,
.reset = soc_v1_0_asic_reset,
};
static int soc_v1_0_common_early_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
adev->smc_rreg = NULL;
adev->smc_wreg = NULL;
adev->pcie_rreg = &amdgpu_device_indirect_rreg;
adev->pcie_wreg = &amdgpu_device_indirect_wreg;
adev->pcie_rreg_ext = &amdgpu_device_indirect_rreg_ext;
adev->pcie_wreg_ext = &amdgpu_device_indirect_wreg_ext;
adev->pcie_rreg64 = &amdgpu_device_indirect_rreg64;
adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
adev->pciep_rreg = amdgpu_device_pcie_port_rreg;
adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
adev->pcie_rreg64_ext = &amdgpu_device_indirect_rreg64_ext;
adev->pcie_wreg64_ext = &amdgpu_device_indirect_wreg64_ext;
adev->uvd_ctx_rreg = NULL;
adev->uvd_ctx_wreg = NULL;
adev->didt_rreg = NULL;
adev->didt_wreg = NULL;
adev->asic_funcs = &soc_v1_0_asic_funcs;
adev->rev_id = amdgpu_device_get_rev_id(adev);
adev->external_rev_id = 0xff;
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(12, 1, 0):
adev->cg_flags = 0;
adev->pg_flags = 0;
adev->external_rev_id = adev->rev_id + 0x50;
break;
default:
/* FIXME: not supported yet */
return -EINVAL;
}
return 0;
}
static int soc_v1_0_common_late_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
/* Enable selfring doorbell aperture late because doorbell BAR
* aperture will change if resize BAR successfully in gmc sw_init.
*/
adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, true);
return 0;
}
static int soc_v1_0_common_sw_init(struct amdgpu_ip_block *ip_block)
{
return 0;
}
static int soc_v1_0_common_hw_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
/* enable the doorbell aperture */
adev->nbio.funcs->enable_doorbell_aperture(adev, true);
return 0;
}
static int soc_v1_0_common_hw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
adev->nbio.funcs->enable_doorbell_aperture(adev, false);
adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, false);
return 0;
}
static int soc_v1_0_common_suspend(struct amdgpu_ip_block *ip_block)
{
return soc_v1_0_common_hw_fini(ip_block);
}
static int soc_v1_0_common_resume(struct amdgpu_ip_block *ip_block)
{
return soc_v1_0_common_hw_init(ip_block);
}
static bool soc_v1_0_common_is_idle(struct amdgpu_ip_block *ip_block)
{
return true;
}
static int soc_v1_0_common_set_clockgating_state(struct amdgpu_ip_block *ip_block,
enum amd_clockgating_state state)
{
return 0;
}
static int soc_v1_0_common_set_powergating_state(struct amdgpu_ip_block *ip_block,
enum amd_powergating_state state)
{
return 0;
}
static void soc_v1_0_common_get_clockgating_state(struct amdgpu_ip_block *ip_block,
u64 *flags)
{
return;
}
static const struct amd_ip_funcs soc_v1_0_common_ip_funcs = {
.name = "soc_v1_0_common",
.early_init = soc_v1_0_common_early_init,
.late_init = soc_v1_0_common_late_init,
.sw_init = soc_v1_0_common_sw_init,
.hw_init = soc_v1_0_common_hw_init,
.hw_fini = soc_v1_0_common_hw_fini,
.suspend = soc_v1_0_common_suspend,
.resume = soc_v1_0_common_resume,
.is_idle = soc_v1_0_common_is_idle,
.set_clockgating_state = soc_v1_0_common_set_clockgating_state,
.set_powergating_state = soc_v1_0_common_set_powergating_state,
.get_clockgating_state = soc_v1_0_common_get_clockgating_state,
};
const struct amdgpu_ip_block_version soc_v1_0_common_ip_block = {
.type = AMD_IP_BLOCK_TYPE_COMMON,
.major = 1,
.minor = 0,
.rev = 0,
.funcs = &soc_v1_0_common_ip_funcs,
};
static enum amdgpu_gfx_partition __soc_v1_0_calc_xcp_mode(struct amdgpu_xcp_mgr *xcp_mgr)
{
struct amdgpu_device *adev = xcp_mgr->adev;
int num_xcc, num_xcc_per_xcp = 0, mode = 0;
num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask);
if (adev->gfx.funcs &&
adev->gfx.funcs->get_xccs_per_xcp)
num_xcc_per_xcp = adev->gfx.funcs->get_xccs_per_xcp(adev);
if ((num_xcc_per_xcp) && (num_xcc % num_xcc_per_xcp == 0))
mode = num_xcc / num_xcc_per_xcp;
if (num_xcc_per_xcp == 1)
return AMDGPU_CPX_PARTITION_MODE;
switch (mode) {
case 1:
return AMDGPU_SPX_PARTITION_MODE;
case 2:
return AMDGPU_DPX_PARTITION_MODE;
case 3:
return AMDGPU_TPX_PARTITION_MODE;
case 4:
return AMDGPU_QPX_PARTITION_MODE;
default:
return AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
}
return AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
}
static int soc_v1_0_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr)
{
enum amdgpu_gfx_partition derv_mode, mode;
struct amdgpu_device *adev = xcp_mgr->adev;
mode = AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
derv_mode = __soc_v1_0_calc_xcp_mode(xcp_mgr);
if (amdgpu_sriov_vf(adev) || !adev->psp.funcs)
return derv_mode;
if (adev->nbio.funcs &&
adev->nbio.funcs->get_compute_partition_mode) {
mode = adev->nbio.funcs->get_compute_partition_mode(adev);
if (mode != derv_mode)
dev_warn(adev->dev,
"Mismatch in compute partition mode - reported : %d derived : %d",
mode, derv_mode);
}
return mode;
}
static int __soc_v1_0_get_xcc_per_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int mode)
{
int num_xcc, num_xcc_per_xcp = 0;
num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask);
switch (mode) {
case AMDGPU_SPX_PARTITION_MODE:
num_xcc_per_xcp = num_xcc;
break;
case AMDGPU_DPX_PARTITION_MODE:
num_xcc_per_xcp = num_xcc / 2;
break;
case AMDGPU_TPX_PARTITION_MODE:
num_xcc_per_xcp = num_xcc / 3;
break;
case AMDGPU_QPX_PARTITION_MODE:
num_xcc_per_xcp = num_xcc / 4;
break;
case AMDGPU_CPX_PARTITION_MODE:
num_xcc_per_xcp = 1;
break;
}
return num_xcc_per_xcp;
}
static int __soc_v1_0_get_xcp_ip_info(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
enum AMDGPU_XCP_IP_BLOCK ip_id,
struct amdgpu_xcp_ip *ip)
{
struct amdgpu_device *adev = xcp_mgr->adev;
int num_sdma, num_vcn, num_shared_vcn, num_xcp;
int num_xcc_xcp, num_sdma_xcp, num_vcn_xcp;
num_sdma = adev->sdma.num_instances;
num_vcn = adev->vcn.num_vcn_inst;
num_shared_vcn = 1;
num_xcc_xcp = adev->gfx.num_xcc_per_xcp;
num_xcp = NUM_XCC(adev->gfx.xcc_mask) / num_xcc_xcp;
switch (xcp_mgr->mode) {
case AMDGPU_SPX_PARTITION_MODE:
case AMDGPU_DPX_PARTITION_MODE:
case AMDGPU_TPX_PARTITION_MODE:
case AMDGPU_QPX_PARTITION_MODE:
case AMDGPU_CPX_PARTITION_MODE:
num_sdma_xcp = DIV_ROUND_UP(num_sdma, num_xcp);
num_vcn_xcp = DIV_ROUND_UP(num_vcn, num_xcp);
break;
default:
return -EINVAL;
}
if (num_vcn && num_xcp > num_vcn)
num_shared_vcn = num_xcp / num_vcn;
switch (ip_id) {
case AMDGPU_XCP_GFXHUB:
ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id);
ip->ip_funcs = &gfxhub_v12_1_xcp_funcs;
break;
case AMDGPU_XCP_GFX:
ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id);
ip->ip_funcs = &gfx_v12_1_xcp_funcs;
break;
case AMDGPU_XCP_SDMA:
ip->inst_mask = XCP_INST_MASK(num_sdma_xcp, xcp_id);
ip->ip_funcs = &sdma_v7_1_xcp_funcs;
break;
case AMDGPU_XCP_VCN:
ip->inst_mask =
XCP_INST_MASK(num_vcn_xcp, xcp_id / num_shared_vcn);
/* TODO : Assign IP funcs */
break;
default:
return -EINVAL;
}
ip->ip_id = ip_id;
return 0;
}
static int soc_v1_0_get_xcp_res_info(struct amdgpu_xcp_mgr *xcp_mgr,
int mode,
struct amdgpu_xcp_cfg *xcp_cfg)
{
struct amdgpu_device *adev = xcp_mgr->adev;
int max_res[AMDGPU_XCP_RES_MAX] = {};
bool res_lt_xcp;
int num_xcp, i;
u16 nps_modes;
if (!(xcp_mgr->supp_xcp_modes & BIT(mode)))
return -EINVAL;
max_res[AMDGPU_XCP_RES_XCC] = NUM_XCC(adev->gfx.xcc_mask);
max_res[AMDGPU_XCP_RES_DMA] = adev->sdma.num_instances;
max_res[AMDGPU_XCP_RES_DEC] = adev->vcn.num_vcn_inst;
max_res[AMDGPU_XCP_RES_JPEG] = adev->jpeg.num_jpeg_inst;
switch (mode) {
case AMDGPU_SPX_PARTITION_MODE:
num_xcp = 1;
nps_modes = BIT(AMDGPU_NPS1_PARTITION_MODE);
break;
case AMDGPU_DPX_PARTITION_MODE:
num_xcp = 2;
nps_modes = BIT(AMDGPU_NPS1_PARTITION_MODE);
break;
case AMDGPU_TPX_PARTITION_MODE:
num_xcp = 3;
nps_modes = BIT(AMDGPU_NPS1_PARTITION_MODE) |
BIT(AMDGPU_NPS4_PARTITION_MODE);
break;
case AMDGPU_QPX_PARTITION_MODE:
num_xcp = 4;
nps_modes = BIT(AMDGPU_NPS1_PARTITION_MODE) |
BIT(AMDGPU_NPS4_PARTITION_MODE);
break;
case AMDGPU_CPX_PARTITION_MODE:
num_xcp = NUM_XCC(adev->gfx.xcc_mask);
nps_modes = BIT(AMDGPU_NPS1_PARTITION_MODE) |
BIT(AMDGPU_NPS4_PARTITION_MODE);
break;
default:
return -EINVAL;
}
xcp_cfg->compatible_nps_modes =
(adev->gmc.supported_nps_modes & nps_modes);
xcp_cfg->num_res = ARRAY_SIZE(max_res);
for (i = 0; i < xcp_cfg->num_res; i++) {
res_lt_xcp = max_res[i] < num_xcp;
xcp_cfg->xcp_res[i].id = i;
xcp_cfg->xcp_res[i].num_inst =
res_lt_xcp ? 1 : max_res[i] / num_xcp;
xcp_cfg->xcp_res[i].num_inst =
i == AMDGPU_XCP_RES_JPEG ?
xcp_cfg->xcp_res[i].num_inst *
adev->jpeg.num_jpeg_rings : xcp_cfg->xcp_res[i].num_inst;
xcp_cfg->xcp_res[i].num_shared =
res_lt_xcp ? num_xcp / max_res[i] : 1;
}
return 0;
}
static enum amdgpu_gfx_partition __soc_v1_0_get_auto_mode(struct amdgpu_xcp_mgr *xcp_mgr)
{
struct amdgpu_device *adev = xcp_mgr->adev;
int num_xcc;
num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask);
if (adev->gmc.num_mem_partitions == 1)
return AMDGPU_SPX_PARTITION_MODE;
if (adev->gmc.num_mem_partitions == num_xcc)
return AMDGPU_CPX_PARTITION_MODE;
if (adev->gmc.num_mem_partitions == 2)
return AMDGPU_DPX_PARTITION_MODE;
return AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
}
static bool __soc_v1_0_is_valid_mode(struct amdgpu_xcp_mgr *xcp_mgr,
enum amdgpu_gfx_partition mode)
{
struct amdgpu_device *adev = xcp_mgr->adev;
int num_xcc, num_xccs_per_xcp;
num_xcc = NUM_XCC(adev->gfx.xcc_mask);
switch (mode) {
case AMDGPU_SPX_PARTITION_MODE:
return adev->gmc.num_mem_partitions == 1 && num_xcc > 0;
case AMDGPU_DPX_PARTITION_MODE:
return adev->gmc.num_mem_partitions <= 2 && (num_xcc % 4) == 0;
case AMDGPU_TPX_PARTITION_MODE:
return (adev->gmc.num_mem_partitions == 1 ||
adev->gmc.num_mem_partitions == 3) &&
((num_xcc % 3) == 0);
case AMDGPU_QPX_PARTITION_MODE:
num_xccs_per_xcp = num_xcc / 4;
return (adev->gmc.num_mem_partitions == 1 ||
adev->gmc.num_mem_partitions == 4) &&
(num_xccs_per_xcp >= 2);
case AMDGPU_CPX_PARTITION_MODE:
/* (num_xcc > 1) because 1 XCC is considered SPX, not CPX.
* (num_xcc % adev->gmc.num_mem_partitions) == 0 because
* num_compute_partitions can't be less than num_mem_partitions
*/
return ((num_xcc > 1) &&
(num_xcc % adev->gmc.num_mem_partitions) == 0);
default:
return false;
}
return false;
}
static void __soc_v1_0_update_available_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr)
{
int mode;
xcp_mgr->avail_xcp_modes = 0;
for_each_inst(mode, xcp_mgr->supp_xcp_modes) {
if (__soc_v1_0_is_valid_mode(xcp_mgr, mode))
xcp_mgr->avail_xcp_modes |= BIT(mode);
}
}
static int soc_v1_0_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr,
int mode, int *num_xcps)
{
int num_xcc_per_xcp, num_xcc, ret;
struct amdgpu_device *adev;
u32 flags = 0;
adev = xcp_mgr->adev;
num_xcc = NUM_XCC(adev->gfx.xcc_mask);
if (mode == AMDGPU_AUTO_COMPUTE_PARTITION_MODE) {
mode = __soc_v1_0_get_auto_mode(xcp_mgr);
if (mode == AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE) {
dev_err(adev->dev,
"Invalid config, no compatible compute partition mode found, available memory partitions: %d",
adev->gmc.num_mem_partitions);
return -EINVAL;
}
} else if (!__soc_v1_0_is_valid_mode(xcp_mgr, mode)) {
dev_err(adev->dev,
"Invalid compute partition mode requested, requested: %s, available memory partitions: %d",
amdgpu_gfx_compute_mode_desc(mode), adev->gmc.num_mem_partitions);
return -EINVAL;
}
if (adev->kfd.init_complete && !amdgpu_in_reset(adev))
flags |= AMDGPU_XCP_OPS_KFD;
if (flags & AMDGPU_XCP_OPS_KFD) {
ret = amdgpu_amdkfd_check_and_lock_kfd(adev);
if (ret)
goto out;
}
ret = amdgpu_xcp_pre_partition_switch(xcp_mgr, flags);
if (ret)
goto unlock;
num_xcc_per_xcp = __soc_v1_0_get_xcc_per_xcp(xcp_mgr, mode);
if (adev->gfx.imu.funcs &&
adev->gfx.imu.funcs->switch_compute_partition) {
ret = adev->gfx.imu.funcs->switch_compute_partition(xcp_mgr->adev, num_xcc_per_xcp, mode);
if (ret)
goto out;
}
if (adev->gfx.imu.funcs &&
adev->gfx.imu.funcs->init_mcm_addr_lut &&
amdgpu_emu_mode)
adev->gfx.imu.funcs->init_mcm_addr_lut(adev);
/* Init info about new xcps */
*num_xcps = num_xcc / num_xcc_per_xcp;
amdgpu_xcp_init(xcp_mgr, *num_xcps, mode);
ret = amdgpu_xcp_post_partition_switch(xcp_mgr, flags);
if (!ret)
__soc_v1_0_update_available_partition_mode(xcp_mgr);
unlock:
if (flags & AMDGPU_XCP_OPS_KFD)
amdgpu_amdkfd_unlock_kfd(adev);
out:
return ret;
}
#ifdef HAVE_ACPI_DEV_GET_FIRST_MATCH_DEV
static int __soc_v1_0_get_xcp_mem_id(struct amdgpu_device *adev,
int xcc_id, uint8_t *mem_id)
{
/* memory/spatial modes validation check is already done */
*mem_id = xcc_id / adev->gfx.num_xcc_per_xcp;
*mem_id /= adev->xcp_mgr->num_xcp_per_mem_partition;
return 0;
}
static int soc_v1_0_get_xcp_mem_id(struct amdgpu_xcp_mgr *xcp_mgr,
struct amdgpu_xcp *xcp, uint8_t *mem_id)
{
struct amdgpu_numa_info numa_info;
struct amdgpu_device *adev;
uint32_t xcc_mask;
int r, i, xcc_id;
adev = xcp_mgr->adev;
/* TODO: BIOS is not returning the right info now
* Check on this later
*/
/*
if (adev->gmc.gmc_funcs->query_mem_partition_mode)
mode = adev->gmc.gmc_funcs->query_mem_partition_mode(adev);
*/
if (adev->gmc.num_mem_partitions == 1) {
/* Only one range */
*mem_id = 0;
return 0;
}
r = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &xcc_mask);
if (r || !xcc_mask)
return -EINVAL;
xcc_id = ffs(xcc_mask) - 1;
if (!adev->gmc.is_app_apu)
return __soc_v1_0_get_xcp_mem_id(adev, xcc_id, mem_id);
r = amdgpu_acpi_get_mem_info(adev, xcc_id, &numa_info);
if (r)
return r;
r = -EINVAL;
for (i = 0; i < adev->gmc.num_mem_partitions; ++i) {
if (adev->gmc.mem_partitions[i].numa.node == numa_info.nid) {
*mem_id = i;
r = 0;
break;
}
}
return r;
}
#endif
static int soc_v1_0_get_xcp_ip_details(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
enum AMDGPU_XCP_IP_BLOCK ip_id,
struct amdgpu_xcp_ip *ip)
{
if (!ip)
return -EINVAL;
return __soc_v1_0_get_xcp_ip_info(xcp_mgr, xcp_id, ip_id, ip);
}
struct amdgpu_xcp_mgr_funcs soc_v1_0_xcp_funcs = {
.switch_partition_mode = &soc_v1_0_switch_partition_mode,
.query_partition_mode = &soc_v1_0_query_partition_mode,
.get_ip_details = &soc_v1_0_get_xcp_ip_details,
.get_xcp_res_info = &soc_v1_0_get_xcp_res_info,
#ifdef HAVE_ACPI_DEV_GET_FIRST_MATCH_DEV
.get_xcp_mem_id = &soc_v1_0_get_xcp_mem_id,
#endif
};
static int soc_v1_0_xcp_mgr_init(struct amdgpu_device *adev)
{
int ret;
if (amdgpu_sriov_vf(adev))
soc_v1_0_xcp_funcs.switch_partition_mode = NULL;
ret = amdgpu_xcp_mgr_init(adev, AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE,
1, &soc_v1_0_xcp_funcs);
if (ret)
return ret;
amdgpu_xcp_update_supported_modes(adev->xcp_mgr);
/* TODO: Default memory node affinity init */
return ret;
}
int soc_v1_0_init_soc_config(struct amdgpu_device *adev)
{
int ret, i;
int xcc_inst_per_aid = 4;
uint16_t xcc_mask;
xcc_mask = adev->gfx.xcc_mask;
adev->aid_mask = 0;
for (i = 0; xcc_mask; xcc_mask >>= xcc_inst_per_aid, i++) {
if (xcc_mask & ((1U << xcc_inst_per_aid) - 1))
adev->aid_mask |= (1 << i);
}
adev->sdma.num_inst_per_xcc = 2;
adev->sdma.num_instances =
NUM_XCC(adev->gfx.xcc_mask) * adev->sdma.num_inst_per_xcc;
adev->sdma.sdma_mask =
GENMASK(adev->sdma.num_instances - 1, 0);
ret = soc_v1_0_xcp_mgr_init(adev);
if (ret)
return ret;
amdgpu_ip_map_init(adev);
return 0;
}
bool soc_v1_0_normalize_xcc_reg_range(uint32_t reg)
{
if (((reg >= XCC_REG_RANGE_0_LOW) && (reg < XCC_REG_RANGE_0_HIGH)) ||
((reg >= XCC_REG_RANGE_1_LOW) && (reg < XCC_REG_RANGE_1_HIGH)))
return true;
else
return false;
}
uint32_t soc_v1_0_normalize_xcc_reg_offset(uint32_t reg)
{
uint32_t normalized_reg = NORMALIZE_XCC_REG_OFFSET(reg);
/* If it is an XCC reg, normalize the reg to keep
* lower 16 bits in local xcc */
if (soc_v1_0_normalize_xcc_reg_range(normalized_reg))
return normalized_reg;
else
return reg;
}