/*
* Copyright 2016 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 <linux/firmware.h>
#include <linux/pci.h>
#include <drm/drm_cache.h>
#include "amdgpu.h"
#include "gmc_v9_0.h"
#include "amdgpu_atomfirmware.h"
#include "amdgpu_gem.h"
#include "gc/gc_9_0_sh_mask.h"
#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "vega10_enum.h"
#include "mmhub/mmhub_1_0_offset.h"
#include "athub/athub_1_0_sh_mask.h"
#include "athub/athub_1_0_offset.h"
#include "oss/osssys_4_0_offset.h"
#include "soc15.h"
#include "soc15d.h"
#include "soc15_common.h"
#include "umc/umc_6_0_sh_mask.h"
#include "gfxhub_v1_0.h"
#include "mmhub_v1_0.h"
#include "athub_v1_0.h"
#include "gfxhub_v1_1.h"
#include "gfxhub_v1_2.h"
#include "mmhub_v9_4.h"
#include "mmhub_v1_7.h"
#include "mmhub_v1_8.h"
#include "umc_v6_1.h"
#include "umc_v6_0.h"
#include "umc_v6_7.h"
#include "umc_v12_0.h"
#include "hdp_v4_0.h"
#include "mca_v3_0.h"
#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
#include "amdgpu_ras.h"
#include "amdgpu_xgmi.h"
/* add these here since we already include dce12 headers and these are for DCN */
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0 x055d
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0 x0
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0 x10
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0 x00003FFFL
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0 x3FFF0000L
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0 0 x049d
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX 2
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2 0 x05ea
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2_BASE_IDX 2
static const char * const gfxhub_client_ids[] = {
"CB" ,
"DB" ,
"IA" ,
"WD" ,
"CPF" ,
"CPC" ,
"CPG" ,
"RLC" ,
"TCP" ,
"SQC (inst)" ,
"SQC (data)" ,
"SQG" ,
"PA" ,
};
static const char *mmhub_client_ids_raven[][2 ] = {
[0 ][0 ] = "MP1" ,
[1 ][0 ] = "MP0" ,
[2 ][0 ] = "VCN" ,
[3 ][0 ] = "VCNU" ,
[4 ][0 ] = "HDP" ,
[5 ][0 ] = "DCE" ,
[13 ][0 ] = "UTCL2" ,
[19 ][0 ] = "TLS" ,
[26 ][0 ] = "OSS" ,
[27 ][0 ] = "SDMA0" ,
[0 ][1 ] = "MP1" ,
[1 ][1 ] = "MP0" ,
[2 ][1 ] = "VCN" ,
[3 ][1 ] = "VCNU" ,
[4 ][1 ] = "HDP" ,
[5 ][1 ] = "XDP" ,
[6 ][1 ] = "DBGU0" ,
[7 ][1 ] = "DCE" ,
[8 ][1 ] = "DCEDWB0" ,
[9 ][1 ] = "DCEDWB1" ,
[26 ][1 ] = "OSS" ,
[27 ][1 ] = "SDMA0" ,
};
static const char *mmhub_client_ids_renoir[][2 ] = {
[0 ][0 ] = "MP1" ,
[1 ][0 ] = "MP0" ,
[2 ][0 ] = "HDP" ,
[4 ][0 ] = "DCEDMC" ,
[5 ][0 ] = "DCEVGA" ,
[13 ][0 ] = "UTCL2" ,
[19 ][0 ] = "TLS" ,
[26 ][0 ] = "OSS" ,
[27 ][0 ] = "SDMA0" ,
[28 ][0 ] = "VCN" ,
[29 ][0 ] = "VCNU" ,
[30 ][0 ] = "JPEG" ,
[0 ][1 ] = "MP1" ,
[1 ][1 ] = "MP0" ,
[2 ][1 ] = "HDP" ,
[3 ][1 ] = "XDP" ,
[6 ][1 ] = "DBGU0" ,
[7 ][1 ] = "DCEDMC" ,
[8 ][1 ] = "DCEVGA" ,
[9 ][1 ] = "DCEDWB" ,
[26 ][1 ] = "OSS" ,
[27 ][1 ] = "SDMA0" ,
[28 ][1 ] = "VCN" ,
[29 ][1 ] = "VCNU" ,
[30 ][1 ] = "JPEG" ,
};
static const char *mmhub_client_ids_vega10[][2 ] = {
[0 ][0 ] = "MP0" ,
[1 ][0 ] = "UVD" ,
[2 ][0 ] = "UVDU" ,
[3 ][0 ] = "HDP" ,
[13 ][0 ] = "UTCL2" ,
[14 ][0 ] = "OSS" ,
[15 ][0 ] = "SDMA1" ,
[32 +0 ][0 ] = "VCE0" ,
[32 +1 ][0 ] = "VCE0U" ,
[32 +2 ][0 ] = "XDMA" ,
[32 +3 ][0 ] = "DCE" ,
[32 +4 ][0 ] = "MP1" ,
[32 +14 ][0 ] = "SDMA0" ,
[0 ][1 ] = "MP0" ,
[1 ][1 ] = "UVD" ,
[2 ][1 ] = "UVDU" ,
[3 ][1 ] = "DBGU0" ,
[4 ][1 ] = "HDP" ,
[5 ][1 ] = "XDP" ,
[14 ][1 ] = "OSS" ,
[15 ][1 ] = "SDMA0" ,
[32 +0 ][1 ] = "VCE0" ,
[32 +1 ][1 ] = "VCE0U" ,
[32 +2 ][1 ] = "XDMA" ,
[32 +3 ][1 ] = "DCE" ,
[32 +4 ][1 ] = "DCEDWB" ,
[32 +5 ][1 ] = "MP1" ,
[32 +6 ][1 ] = "DBGU1" ,
[32 +14 ][1 ] = "SDMA1" ,
};
static const char *mmhub_client_ids_vega12[][2 ] = {
[0 ][0 ] = "MP0" ,
[1 ][0 ] = "VCE0" ,
[2 ][0 ] = "VCE0U" ,
[3 ][0 ] = "HDP" ,
[13 ][0 ] = "UTCL2" ,
[14 ][0 ] = "OSS" ,
[15 ][0 ] = "SDMA1" ,
[32 +0 ][0 ] = "DCE" ,
[32 +1 ][0 ] = "XDMA" ,
[32 +2 ][0 ] = "UVD" ,
[32 +3 ][0 ] = "UVDU" ,
[32 +4 ][0 ] = "MP1" ,
[32 +15 ][0 ] = "SDMA0" ,
[0 ][1 ] = "MP0" ,
[1 ][1 ] = "VCE0" ,
[2 ][1 ] = "VCE0U" ,
[3 ][1 ] = "DBGU0" ,
[4 ][1 ] = "HDP" ,
[5 ][1 ] = "XDP" ,
[14 ][1 ] = "OSS" ,
[15 ][1 ] = "SDMA0" ,
[32 +0 ][1 ] = "DCE" ,
[32 +1 ][1 ] = "DCEDWB" ,
[32 +2 ][1 ] = "XDMA" ,
[32 +3 ][1 ] = "UVD" ,
[32 +4 ][1 ] = "UVDU" ,
[32 +5 ][1 ] = "MP1" ,
[32 +6 ][1 ] = "DBGU1" ,
[32 +15 ][1 ] = "SDMA1" ,
};
static const char *mmhub_client_ids_vega20[][2 ] = {
[0 ][0 ] = "XDMA" ,
[1 ][0 ] = "DCE" ,
[2 ][0 ] = "VCE0" ,
[3 ][0 ] = "VCE0U" ,
[4 ][0 ] = "UVD" ,
[5 ][0 ] = "UVD1U" ,
[13 ][0 ] = "OSS" ,
[14 ][0 ] = "HDP" ,
[15 ][0 ] = "SDMA0" ,
[32 +0 ][0 ] = "UVD" ,
[32 +1 ][0 ] = "UVDU" ,
[32 +2 ][0 ] = "MP1" ,
[32 +3 ][0 ] = "MP0" ,
[32 +12 ][0 ] = "UTCL2" ,
[32 +14 ][0 ] = "SDMA1" ,
[0 ][1 ] = "XDMA" ,
[1 ][1 ] = "DCE" ,
[2 ][1 ] = "DCEDWB" ,
[3 ][1 ] = "VCE0" ,
[4 ][1 ] = "VCE0U" ,
[5 ][1 ] = "UVD1" ,
[6 ][1 ] = "UVD1U" ,
[7 ][1 ] = "DBGU0" ,
[8 ][1 ] = "XDP" ,
[13 ][1 ] = "OSS" ,
[14 ][1 ] = "HDP" ,
[15 ][1 ] = "SDMA0" ,
[32 +0 ][1 ] = "UVD" ,
[32 +1 ][1 ] = "UVDU" ,
[32 +2 ][1 ] = "DBGU1" ,
[32 +3 ][1 ] = "MP1" ,
[32 +4 ][1 ] = "MP0" ,
[32 +14 ][1 ] = "SDMA1" ,
};
static const char *mmhub_client_ids_arcturus[][2 ] = {
[0 ][0 ] = "DBGU1" ,
[1 ][0 ] = "XDP" ,
[2 ][0 ] = "MP1" ,
[14 ][0 ] = "HDP" ,
[171 ][0 ] = "JPEG" ,
[172 ][0 ] = "VCN" ,
[173 ][0 ] = "VCNU" ,
[203 ][0 ] = "JPEG1" ,
[204 ][0 ] = "VCN1" ,
[205 ][0 ] = "VCN1U" ,
[256 ][0 ] = "SDMA0" ,
[257 ][0 ] = "SDMA1" ,
[258 ][0 ] = "SDMA2" ,
[259 ][0 ] = "SDMA3" ,
[260 ][0 ] = "SDMA4" ,
[261 ][0 ] = "SDMA5" ,
[262 ][0 ] = "SDMA6" ,
[263 ][0 ] = "SDMA7" ,
[384 ][0 ] = "OSS" ,
[0 ][1 ] = "DBGU1" ,
[1 ][1 ] = "XDP" ,
[2 ][1 ] = "MP1" ,
[14 ][1 ] = "HDP" ,
[171 ][1 ] = "JPEG" ,
[172 ][1 ] = "VCN" ,
[173 ][1 ] = "VCNU" ,
[203 ][1 ] = "JPEG1" ,
[204 ][1 ] = "VCN1" ,
[205 ][1 ] = "VCN1U" ,
[256 ][1 ] = "SDMA0" ,
[257 ][1 ] = "SDMA1" ,
[258 ][1 ] = "SDMA2" ,
[259 ][1 ] = "SDMA3" ,
[260 ][1 ] = "SDMA4" ,
[261 ][1 ] = "SDMA5" ,
[262 ][1 ] = "SDMA6" ,
[263 ][1 ] = "SDMA7" ,
[384 ][1 ] = "OSS" ,
};
static const char *mmhub_client_ids_aldebaran[][2 ] = {
[2 ][0 ] = "MP1" ,
[3 ][0 ] = "MP0" ,
[32 +1 ][0 ] = "DBGU_IO0" ,
[32 +2 ][0 ] = "DBGU_IO2" ,
[32 +4 ][0 ] = "MPIO" ,
[96 +11 ][0 ] = "JPEG0" ,
[96 +12 ][0 ] = "VCN0" ,
[96 +13 ][0 ] = "VCNU0" ,
[128 +11 ][0 ] = "JPEG1" ,
[128 +12 ][0 ] = "VCN1" ,
[128 +13 ][0 ] = "VCNU1" ,
[160 +1 ][0 ] = "XDP" ,
[160 +14 ][0 ] = "HDP" ,
[256 +0 ][0 ] = "SDMA0" ,
[256 +1 ][0 ] = "SDMA1" ,
[256 +2 ][0 ] = "SDMA2" ,
[256 +3 ][0 ] = "SDMA3" ,
[256 +4 ][0 ] = "SDMA4" ,
[384 +0 ][0 ] = "OSS" ,
[2 ][1 ] = "MP1" ,
[3 ][1 ] = "MP0" ,
[32 +1 ][1 ] = "DBGU_IO0" ,
[32 +2 ][1 ] = "DBGU_IO2" ,
[32 +4 ][1 ] = "MPIO" ,
[96 +11 ][1 ] = "JPEG0" ,
[96 +12 ][1 ] = "VCN0" ,
[96 +13 ][1 ] = "VCNU0" ,
[128 +11 ][1 ] = "JPEG1" ,
[128 +12 ][1 ] = "VCN1" ,
[128 +13 ][1 ] = "VCNU1" ,
[160 +1 ][1 ] = "XDP" ,
[160 +14 ][1 ] = "HDP" ,
[256 +0 ][1 ] = "SDMA0" ,
[256 +1 ][1 ] = "SDMA1" ,
[256 +2 ][1 ] = "SDMA2" ,
[256 +3 ][1 ] = "SDMA3" ,
[256 +4 ][1 ] = "SDMA4" ,
[384 +0 ][1 ] = "OSS" ,
};
static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] = {
SOC15_REG_GOLDEN_VALUE(MMHUB, 0 , mmDAGB1_WRCLI2, 0 x00000007, 0 xfe5fe0fa),
SOC15_REG_GOLDEN_VALUE(MMHUB, 0 , mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0 x00000030, 0 x55555565)
};
static const struct soc15_reg_golden golden_settings_athub_1_0_0[] = {
SOC15_REG_GOLDEN_VALUE(ATHUB, 0 , mmRPB_ARB_CNTL, 0 x0000ff00, 0 x00000800),
SOC15_REG_GOLDEN_VALUE(ATHUB, 0 , mmRPB_ARB_CNTL2, 0 x00ff00ff, 0 x00080008)
};
static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
(0 x000143c0 + 0 x00000000),
(0 x000143c0 + 0 x00000800),
(0 x000143c0 + 0 x00001000),
(0 x000143c0 + 0 x00001800),
(0 x000543c0 + 0 x00000000),
(0 x000543c0 + 0 x00000800),
(0 x000543c0 + 0 x00001000),
(0 x000543c0 + 0 x00001800),
(0 x000943c0 + 0 x00000000),
(0 x000943c0 + 0 x00000800),
(0 x000943c0 + 0 x00001000),
(0 x000943c0 + 0 x00001800),
(0 x000d43c0 + 0 x00000000),
(0 x000d43c0 + 0 x00000800),
(0 x000d43c0 + 0 x00001000),
(0 x000d43c0 + 0 x00001800),
(0 x001143c0 + 0 x00000000),
(0 x001143c0 + 0 x00000800),
(0 x001143c0 + 0 x00001000),
(0 x001143c0 + 0 x00001800),
(0 x001543c0 + 0 x00000000),
(0 x001543c0 + 0 x00000800),
(0 x001543c0 + 0 x00001000),
(0 x001543c0 + 0 x00001800),
(0 x001943c0 + 0 x00000000),
(0 x001943c0 + 0 x00000800),
(0 x001943c0 + 0 x00001000),
(0 x001943c0 + 0 x00001800),
(0 x001d43c0 + 0 x00000000),
(0 x001d43c0 + 0 x00000800),
(0 x001d43c0 + 0 x00001000),
(0 x001d43c0 + 0 x00001800),
};
static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
(0 x000143e0 + 0 x00000000),
(0 x000143e0 + 0 x00000800),
(0 x000143e0 + 0 x00001000),
(0 x000143e0 + 0 x00001800),
(0 x000543e0 + 0 x00000000),
(0 x000543e0 + 0 x00000800),
(0 x000543e0 + 0 x00001000),
(0 x000543e0 + 0 x00001800),
(0 x000943e0 + 0 x00000000),
(0 x000943e0 + 0 x00000800),
(0 x000943e0 + 0 x00001000),
(0 x000943e0 + 0 x00001800),
(0 x000d43e0 + 0 x00000000),
(0 x000d43e0 + 0 x00000800),
(0 x000d43e0 + 0 x00001000),
(0 x000d43e0 + 0 x00001800),
(0 x001143e0 + 0 x00000000),
(0 x001143e0 + 0 x00000800),
(0 x001143e0 + 0 x00001000),
(0 x001143e0 + 0 x00001800),
(0 x001543e0 + 0 x00000000),
(0 x001543e0 + 0 x00000800),
(0 x001543e0 + 0 x00001000),
(0 x001543e0 + 0 x00001800),
(0 x001943e0 + 0 x00000000),
(0 x001943e0 + 0 x00000800),
(0 x001943e0 + 0 x00001000),
(0 x001943e0 + 0 x00001800),
(0 x001d43e0 + 0 x00000000),
(0 x001d43e0 + 0 x00000800),
(0 x001d43e0 + 0 x00001000),
(0 x001d43e0 + 0 x00001800),
};
static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
enum amdgpu_interrupt_state state)
{
u32 bits, i, tmp, reg;
/* Devices newer then VEGA10/12 shall have these programming
* sequences performed by PSP BL
*/
if (adev->asic_type >= CHIP_VEGA20)
return 0 ;
bits = 0 x7f;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for (i = 0 ; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
for (i = 0 ; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
break ;
case AMDGPU_IRQ_STATE_ENABLE:
for (i = 0 ; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
for (i = 0 ; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
break ;
default :
break ;
}
return 0 ;
}
static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
enum amdgpu_interrupt_state state)
{
struct amdgpu_vmhub *hub;
u32 tmp, reg, bits, i, j;
bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0 ; i < 16 ; i++) {
reg = hub->vm_context0_cntl + i;
/* This works because this interrupt is only
* enabled at init / resume and disabled in
* fini / suspend , so the overall state doesn ' t
* change over the course of suspend / resume .
*/
if (adev->in_s0ix && (j == AMDGPU_GFXHUB(0 )))
continue ;
if (j >= AMDGPU_MMHUB0(0 ))
tmp = RREG32_SOC15_IP(MMHUB, reg);
else
tmp = RREG32_XCC(reg, j);
tmp &= ~bits;
if (j >= AMDGPU_MMHUB0(0 ))
WREG32_SOC15_IP(MMHUB, reg, tmp);
else
WREG32_XCC(reg, tmp, j);
}
}
break ;
case AMDGPU_IRQ_STATE_ENABLE:
for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0 ; i < 16 ; i++) {
reg = hub->vm_context0_cntl + i;
/* This works because this interrupt is only
* enabled at init / resume and disabled in
* fini / suspend , so the overall state doesn ' t
* change over the course of suspend / resume .
*/
if (adev->in_s0ix && (j == AMDGPU_GFXHUB(0 )))
continue ;
if (j >= AMDGPU_MMHUB0(0 ))
tmp = RREG32_SOC15_IP(MMHUB, reg);
else
tmp = RREG32_XCC(reg, j);
tmp |= bits;
if (j >= AMDGPU_MMHUB0(0 ))
WREG32_SOC15_IP(MMHUB, reg, tmp);
else
WREG32_XCC(reg, tmp, j);
}
}
break ;
default :
break ;
}
return 0 ;
}
static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
bool retry_fault = !!(entry->src_data[1 ] & 0 x80);
bool write_fault = !!(entry->src_data[1 ] & 0 x20);
uint32_t status = 0 , cid = 0 , rw = 0 , fed = 0 ;
struct amdgpu_task_info *task_info;
struct amdgpu_vmhub *hub;
const char *mmhub_cid;
const char *hub_name;
unsigned int vmhub;
u64 addr;
uint32_t cam_index = 0 ;
int ret, xcc_id = 0 ;
uint32_t node_id;
node_id = entry->node_id;
addr = (u64)entry->src_data[0 ] << 12 ;
addr |= ((u64)entry->src_data[1 ] & 0 xf) << 44 ;
if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
hub_name = "mmhub0" ;
vmhub = AMDGPU_MMHUB0(node_id / 4 );
} else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
hub_name = "mmhub1" ;
vmhub = AMDGPU_MMHUB1(0 );
} else {
hub_name = "gfxhub0" ;
if (adev->gfx.funcs->ih_node_to_logical_xcc) {
xcc_id = adev->gfx.funcs->ih_node_to_logical_xcc(adev,
node_id);
if (xcc_id < 0 )
xcc_id = 0 ;
}
vmhub = xcc_id;
}
hub = &adev->vmhub[vmhub];
if (retry_fault) {
if (adev->irq.retry_cam_enabled) {
/* Delegate it to a different ring if the hardware hasn't
* already done it .
*/
if (entry->ih == &adev->irq.ih) {
amdgpu_irq_delegate(adev, entry, 8 );
return 1 ;
}
cam_index = entry->src_data[2 ] & 0 x3ff;
ret = amdgpu_vm_handle_fault(adev, entry->pasid, entry->vmid, node_id,
addr, entry->timestamp, write_fault);
WDOORBELL32(adev->irq.retry_cam_doorbell_index, cam_index);
if (ret)
return 1 ;
} else {
/* Process it onyl if it's the first fault for this address */
if (entry->ih != &adev->irq.ih_soft &&
amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
entry->timestamp))
return 1 ;
/* Delegate it to a different ring if the hardware hasn't
* already done it .
*/
if (entry->ih == &adev->irq.ih) {
amdgpu_irq_delegate(adev, entry, 8 );
return 1 ;
}
/* Try to handle the recoverable page faults by filling page
* tables
*/
if (amdgpu_vm_handle_fault(adev, entry->pasid, entry->vmid, node_id,
addr, entry->timestamp, write_fault))
return 1 ;
}
}
if (kgd2kfd_vmfault_fast_path(adev, entry, retry_fault))
return 1 ;
if (!printk_ratelimit())
return 0 ;
dev_err(adev->dev,
"[%s] %s page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n" , hub_name,
retry_fault ? "retry" : "no-retry" ,
entry->src_id, entry->ring_id, entry->vmid, entry->pasid);
task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
if (task_info) {
amdgpu_vm_print_task_info(adev, task_info);
amdgpu_vm_put_task_info(task_info);
}
dev_err(adev->dev, " in page starting at address 0x%016llx from IH client 0x%x (%s)\n" ,
addr, entry->client_id,
soc15_ih_clientid_name[entry->client_id]);
if (amdgpu_is_multi_aid(adev))
dev_err(adev->dev, " cookie node_id %d fault from die %s%d%s\n" ,
node_id, node_id % 4 == 3 ? "RSV" : "AID" , node_id / 4 ,
node_id % 4 == 1 ? ".XCD0" : node_id % 4 == 2 ? ".XCD1" : "" );
if (amdgpu_sriov_vf(adev))
return 0 ;
/*
* Issue a dummy read to wait for the status register to
* be updated to avoid reading an incorrect value due to
* the new fast GRBM interface .
*/
if ((entry->vmid_src == AMDGPU_GFXHUB(0 )) &&
(amdgpu_ip_version(adev, GC_HWIP, 0 ) < IP_VERSION(9 , 4 , 2 )))
RREG32(hub->vm_l2_pro_fault_status);
status = RREG32(hub->vm_l2_pro_fault_status);
cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID);
rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW);
fed = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, FED);
/* for fed error, kfd will handle it, return directly */
if (fed && amdgpu_ras_is_poison_mode_supported(adev) &&
(amdgpu_ip_version(adev, GC_HWIP, 0 ) >= IP_VERSION(9 , 4 , 2 )))
return 0 ;
/* Only print L2 fault status if the status register could be read and
* contains useful information
*/
if (!status)
return 0 ;
if (!amdgpu_sriov_vf(adev))
WREG32_P(hub->vm_l2_pro_fault_cntl, 1 , ~1 );
amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, vmhub);
dev_err(adev->dev,
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n" ,
status);
if (entry->vmid_src == AMDGPU_GFXHUB(0 )) {
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n" ,
cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
gfxhub_client_ids[cid],
cid);
} else {
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0 )) {
case IP_VERSION(9 , 0 , 0 ):
mmhub_cid = mmhub_client_ids_vega10[cid][rw];
break ;
case IP_VERSION(9 , 3 , 0 ):
mmhub_cid = mmhub_client_ids_vega12[cid][rw];
break ;
case IP_VERSION(9 , 4 , 0 ):
mmhub_cid = mmhub_client_ids_vega20[cid][rw];
break ;
case IP_VERSION(9 , 4 , 1 ):
mmhub_cid = mmhub_client_ids_arcturus[cid][rw];
break ;
case IP_VERSION(9 , 1 , 0 ):
case IP_VERSION(9 , 2 , 0 ):
mmhub_cid = mmhub_client_ids_raven[cid][rw];
break ;
case IP_VERSION(1 , 5 , 0 ):
case IP_VERSION(2 , 4 , 0 ):
mmhub_cid = mmhub_client_ids_renoir[cid][rw];
break ;
case IP_VERSION(1 , 8 , 0 ):
case IP_VERSION(9 , 4 , 2 ):
mmhub_cid = mmhub_client_ids_aldebaran[cid][rw];
break ;
default :
mmhub_cid = NULL;
break ;
}
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n" ,
mmhub_cid ? mmhub_cid : "unknown" , cid);
}
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n" ,
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n" ,
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n" ,
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n" ,
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
dev_err(adev->dev, "\t RW: 0x%x\n" , rw);
return 0 ;
}
static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
.set = gmc_v9_0_vm_fault_interrupt_state,
.process = gmc_v9_0_process_interrupt,
};
static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
.set = gmc_v9_0_ecc_interrupt_state,
.process = amdgpu_umc_process_ecc_irq,
};
static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->gmc.vm_fault.num_types = 1 ;
adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
if (!amdgpu_sriov_vf(adev) &&
!adev->gmc.xgmi.connected_to_cpu &&
!adev->gmc.is_app_apu) {
adev->gmc.ecc_irq.num_types = 1 ;
adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
}
}
static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
uint32_t flush_type)
{
u32 req = 0 ;
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
PER_VMID_INVALIDATE_REQ, 1 << vmid);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1 );
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1 );
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1 );
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1 );
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1 );
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0 );
return req;
}
/**
* gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
*
* @ adev : amdgpu_device pointer
* @ vmhub : vmhub type
*
*/
static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
uint32_t vmhub)
{
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 2 ) ||
amdgpu_is_multi_aid(adev))
return false ;
return ((vmhub == AMDGPU_MMHUB0(0 ) ||
vmhub == AMDGPU_MMHUB1(0 )) &&
(!amdgpu_sriov_vf(adev)) &&
(!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
(adev->apu_flags & AMD_APU_IS_PICASSO))));
}
static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
uint8_t vmid, uint16_t *p_pasid)
{
uint32_t value;
value = RREG32(SOC15_REG_OFFSET(ATHUB, 0 , mmATC_VMID0_PASID_MAPPING)
+ vmid);
*p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
}
/*
* GART
* VMID 0 is the physical GPU addresses as used by the kernel .
* VMIDs 1 - 15 are used for userspace clients and are handled
* by the amdgpu vm / hsa code .
*/
/**
* gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
*
* @ adev : amdgpu_device pointer
* @ vmid : vm instance to flush
* @ vmhub : which hub to flush
* @ flush_type : the flush type
*
* Flush the TLB for the requested page table using certain type .
*/
static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
uint32_t vmhub, uint32_t flush_type)
{
bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
u32 j, inv_req, tmp, sem, req, ack, inst;
const unsigned int eng = 17 ;
struct amdgpu_vmhub *hub;
BUG_ON(vmhub >= AMDGPU_MAX_VMHUBS);
hub = &adev->vmhub[vmhub];
inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng;
req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
if (vmhub >= AMDGPU_MMHUB0(0 ))
inst = 0 ;
else
inst = vmhub;
/* This is necessary for SRIOV as well as for GFXOFF to function
* properly under bare metal
*/
if (adev->gfx.kiq[inst].ring.sched.ready &&
(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req,
1 << vmid, inst);
return ;
}
/* This path is needed before KIQ/MES/GFXOFF are set up */
spin_lock(&adev->gmc.invalidate_lock);
/*
* It may lose gpuvm invalidate acknowldege state across power - gating
* off cycle , add semaphore acquire before invalidation and semaphore
* release after invalidation to avoid entering power gated state
* to WA the Issue
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
for (j = 0 ; j < adev->usec_timeout; j++) {
/* a read return value of 1 means semaphore acquire */
if (vmhub >= AMDGPU_MMHUB0(0 ))
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, sem, GET_INST(GC, inst));
else
tmp = RREG32_SOC15_IP_NO_KIQ(GC, sem, GET_INST(GC, inst));
if (tmp & 0 x1)
break ;
udelay(1 );
}
if (j >= adev->usec_timeout)
DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n" );
}
if (vmhub >= AMDGPU_MMHUB0(0 ))
WREG32_SOC15_IP_NO_KIQ(MMHUB, req, inv_req, GET_INST(GC, inst));
else
WREG32_SOC15_IP_NO_KIQ(GC, req, inv_req, GET_INST(GC, inst));
/*
* Issue a dummy read to wait for the ACK register to
* be cleared to avoid a false ACK due to the new fast
* GRBM interface .
*/
if ((vmhub == AMDGPU_GFXHUB(0 )) &&
(amdgpu_ip_version(adev, GC_HWIP, 0 ) < IP_VERSION(9 , 4 , 2 )))
RREG32_NO_KIQ(req);
for (j = 0 ; j < adev->usec_timeout; j++) {
if (vmhub >= AMDGPU_MMHUB0(0 ))
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, ack, GET_INST(GC, inst));
else
tmp = RREG32_SOC15_IP_NO_KIQ(GC, ack, GET_INST(GC, inst));
if (tmp & (1 << vmid))
break ;
udelay(1 );
}
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
/*
* add semaphore release after invalidation ,
* write with 0 means semaphore release
*/
if (vmhub >= AMDGPU_MMHUB0(0 ))
WREG32_SOC15_IP_NO_KIQ(MMHUB, sem, 0 , GET_INST(GC, inst));
else
WREG32_SOC15_IP_NO_KIQ(GC, sem, 0 , GET_INST(GC, inst));
}
spin_unlock(&adev->gmc.invalidate_lock);
if (j < adev->usec_timeout)
return ;
DRM_ERROR("Timeout waiting for VM flush ACK!\n" );
}
/**
* gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
*
* @ adev : amdgpu_device pointer
* @ pasid : pasid to be flush
* @ flush_type : the flush type
* @ all_hub : flush all hubs
* @ inst : is used to select which instance of KIQ to use for the invalidation
*
* Flush the TLB for the requested pasid .
*/
static void gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
uint16_t pasid, uint32_t flush_type,
bool all_hub, uint32_t inst)
{
uint16_t queried;
int i, vmid;
for (vmid = 1 ; vmid < 16 ; vmid++) {
bool valid;
valid = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
&queried);
if (!valid || queried != pasid)
continue ;
if (all_hub) {
for_each_set_bit(i, adev->vmhubs_mask,
AMDGPU_MAX_VMHUBS)
gmc_v9_0_flush_gpu_tlb(adev, vmid, i,
flush_type);
} else {
gmc_v9_0_flush_gpu_tlb(adev, vmid,
AMDGPU_GFXHUB(0 ),
flush_type);
}
}
}
static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
unsigned int vmid, uint64_t pd_addr)
{
bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
struct amdgpu_device *adev = ring->adev;
struct amdgpu_vmhub *hub = &adev->vmhub[ring->vm_hub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0 );
unsigned int eng = ring->vm_inv_eng;
/*
* It may lose gpuvm invalidate acknowldege state across power - gating
* off cycle , add semaphore acquire before invalidation and semaphore
* release after invalidation to avoid entering power gated state
* to WA the Issue
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore)
/* a read return value of 1 means semaphore acuqire */
amdgpu_ring_emit_reg_wait(ring,
hub->vm_inv_eng0_sem +
hub->eng_distance * eng, 0 x1, 0 x1);
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
(hub->ctx_addr_distance * vmid),
lower_32_bits(pd_addr));
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
(hub->ctx_addr_distance * vmid),
upper_32_bits(pd_addr));
amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
hub->eng_distance * eng,
hub->vm_inv_eng0_ack +
hub->eng_distance * eng,
req, 1 << vmid);
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore)
/*
* add semaphore release after invalidation ,
* write with 0 means semaphore release
*/
amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
hub->eng_distance * eng, 0 );
return pd_addr;
}
static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
unsigned int pasid)
{
struct amdgpu_device *adev = ring->adev;
uint32_t reg;
/* Do nothing because there's no lut register for mmhub1. */
if (ring->vm_hub == AMDGPU_MMHUB1(0 ))
return ;
if (ring->vm_hub == AMDGPU_GFXHUB(0 ))
reg = SOC15_REG_OFFSET(OSSSYS, 0 , mmIH_VMID_0_LUT) + vmid;
else
reg = SOC15_REG_OFFSET(OSSSYS, 0 , mmIH_VMID_0_LUT_MM) + vmid;
amdgpu_ring_emit_wreg(ring, reg, pasid);
}
/*
* PTE format on VEGA 10 :
* 63 : 59 reserved
* 58 : 57 mtype
* 56 F
* 55 L
* 54 P
* 53 SW
* 52 T
* 50 : 48 reserved
* 47 : 12 4 k physical page base address
* 11 : 7 fragment
* 6 write
* 5 read
* 4 exe
* 3 Z
* 2 snooped
* 1 system
* 0 valid
*
* PDE format on VEGA 10 :
* 63 : 59 block fragment size
* 58 : 55 reserved
* 54 P
* 53 : 48 reserved
* 47 : 6 physical base address of PD or PTE
* 5 : 3 reserved
* 2 C
* 1 system
* 0 valid
*/
static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
{
switch (flags) {
case AMDGPU_VM_MTYPE_DEFAULT:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_NC);
case AMDGPU_VM_MTYPE_NC:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_NC);
case AMDGPU_VM_MTYPE_WC:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_WC);
case AMDGPU_VM_MTYPE_RW:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_RW);
case AMDGPU_VM_MTYPE_CC:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_CC);
case AMDGPU_VM_MTYPE_UC:
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_UC);
default :
return AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_NC);
}
}
static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
uint64_t *addr, uint64_t *flags)
{
if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
*addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
BUG_ON(*addr & 0 xFFFF00000000003FULL);
if (!adev->gmc.translate_further)
return ;
if (level == AMDGPU_VM_PDB1) {
/* Set the block fragment size */
if (!(*flags & AMDGPU_PDE_PTE))
*flags |= AMDGPU_PDE_BFS(0 x9);
} else if (level == AMDGPU_VM_PDB0) {
if (*flags & AMDGPU_PDE_PTE) {
*flags &= ~AMDGPU_PDE_PTE;
if (!(*flags & AMDGPU_PTE_VALID))
*addr |= 1 << PAGE_SHIFT;
} else {
*flags |= AMDGPU_PTE_TF;
}
}
}
static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct amdgpu_bo *bo,
uint64_t *flags)
{
struct amdgpu_device *bo_adev = amdgpu_ttm_adev(bo->tbo.bdev);
bool is_vram = bo->tbo.resource &&
bo->tbo.resource->mem_type == TTM_PL_VRAM;
bool coherent = bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
AMDGPU_GEM_CREATE_EXT_COHERENT);
bool ext_coherent = bo->flags & AMDGPU_GEM_CREATE_EXT_COHERENT;
bool uncached = bo->flags & AMDGPU_GEM_CREATE_UNCACHED;
unsigned int mtype_local, mtype;
uint32_t gc_ip_version = amdgpu_ip_version(adev, GC_HWIP, 0 );
bool snoop = false ;
bool is_local;
dma_resv_assert_held(bo->tbo.base.resv);
switch (gc_ip_version) {
case IP_VERSION(9 , 4 , 1 ):
case IP_VERSION(9 , 4 , 2 ):
if (is_vram) {
if (bo_adev == adev) {
if (uncached)
mtype = MTYPE_UC;
else if (coherent)
mtype = MTYPE_CC;
else
mtype = MTYPE_RW;
/* FIXME: is this still needed? Or does
* amdgpu_ttm_tt_pde_flags already handle this ?
*/
if (gc_ip_version == IP_VERSION(9 , 4 , 2 ) &&
adev->gmc.xgmi.connected_to_cpu)
snoop = true ;
} else {
if (uncached || coherent)
mtype = MTYPE_UC;
else
mtype = MTYPE_NC;
if (amdgpu_xgmi_same_hive(adev, bo_adev))
snoop = true ;
}
} else {
if (uncached || coherent)
mtype = MTYPE_UC;
else
mtype = MTYPE_NC;
/* FIXME: is this still needed? Or does
* amdgpu_ttm_tt_pde_flags already handle this ?
*/
snoop = true ;
}
break ;
case IP_VERSION(9 , 4 , 3 ):
case IP_VERSION(9 , 4 , 4 ):
case IP_VERSION(9 , 5 , 0 ):
/* Only local VRAM BOs or system memory on non-NUMA APUs
* can be assumed to be local in their entirety . Choose
* MTYPE_NC as safe fallback for all system memory BOs on
* NUMA systems . Their MTYPE can be overridden per - page in
* gmc_v9_0_override_vm_pte_flags .
*/
mtype_local = MTYPE_RW;
if (amdgpu_mtype_local == 1 ) {
DRM_INFO_ONCE("Using MTYPE_NC for local memory\n" );
mtype_local = MTYPE_NC;
} else if (amdgpu_mtype_local == 2 ) {
DRM_INFO_ONCE("Using MTYPE_CC for local memory\n" );
mtype_local = MTYPE_CC;
} else {
DRM_INFO_ONCE("Using MTYPE_RW for local memory\n" );
}
is_local = (!is_vram && (adev->flags & AMD_IS_APU) &&
num_possible_nodes() <= 1 ) ||
(is_vram && adev == bo_adev &&
KFD_XCP_MEM_ID(adev, bo->xcp_id) == vm->mem_id);
snoop = true ;
if (uncached) {
mtype = MTYPE_UC;
} else if (ext_coherent) {
mtype = is_local ? MTYPE_CC : MTYPE_UC;
} else if (adev->flags & AMD_IS_APU) {
mtype = is_local ? mtype_local : MTYPE_NC;
} else {
/* dGPU */
if (is_local)
mtype = mtype_local;
else if (gc_ip_version < IP_VERSION(9 , 5 , 0 ) && !is_vram)
mtype = MTYPE_UC;
else
mtype = MTYPE_NC;
}
break ;
default :
if (uncached || coherent)
mtype = MTYPE_UC;
else
mtype = MTYPE_NC;
/* FIXME: is this still needed? Or does
* amdgpu_ttm_tt_pde_flags already handle this ?
*/
if (!is_vram)
snoop = true ;
}
if (mtype != MTYPE_NC)
*flags = AMDGPU_PTE_MTYPE_VG10(*flags, mtype);
*flags |= snoop ? AMDGPU_PTE_SNOOPED : 0 ;
}
static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *mapping,
uint64_t *flags)
{
struct amdgpu_bo *bo = mapping->bo_va->base.bo;
*flags &= ~AMDGPU_PTE_EXECUTABLE;
*flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
*flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK;
*flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK;
if (mapping->flags & AMDGPU_PTE_PRT) {
*flags |= AMDGPU_PTE_PRT;
*flags &= ~AMDGPU_PTE_VALID;
}
if ((*flags & AMDGPU_PTE_VALID) && bo)
gmc_v9_0_get_coherence_flags(adev, mapping->bo_va->base.vm, bo,
flags);
}
static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
uint64_t addr, uint64_t *flags)
{
int local_node, nid;
/* Only GFX 9.4.3 APUs associate GPUs with NUMA nodes. Local system
* memory can use more efficient MTYPEs .
*/
if (!(adev->flags & AMD_IS_APU) ||
amdgpu_ip_version(adev, GC_HWIP, 0 ) != IP_VERSION(9 , 4 , 3 ))
return ;
/* Only direct-mapped memory allows us to determine the NUMA node from
* the DMA address .
*/
if (!adev->ram_is_direct_mapped) {
dev_dbg_ratelimited(adev->dev, "RAM is not direct mapped\n" );
return ;
}
/* MTYPE_NC is the same default and can be overridden.
* MTYPE_UC will be present if the memory is extended - coherent
* and can also be overridden .
*/
if ((*flags & AMDGPU_PTE_MTYPE_VG10_MASK) !=
AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_NC) &&
(*flags & AMDGPU_PTE_MTYPE_VG10_MASK) !=
AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_UC)) {
dev_dbg_ratelimited(adev->dev, "MTYPE is not NC or UC\n" );
return ;
}
/* FIXME: Only supported on native mode for now. For carve-out, the
* NUMA affinity of the GPU / VM needs to come from the PCI info because
* memory partitions are not associated with different NUMA nodes .
*/
if (adev->gmc.is_app_apu && vm->mem_id >= 0 ) {
local_node = adev->gmc.mem_partitions[vm->mem_id].numa.node;
} else {
dev_dbg_ratelimited(adev->dev, "Only native mode APU is supported.\n" );
return ;
}
/* Only handle real RAM. Mappings of PCIe resources don't have struct
* page or NUMA nodes .
*/
if (!page_is_ram(addr >> PAGE_SHIFT)) {
dev_dbg_ratelimited(adev->dev, "Page is not RAM.\n" );
return ;
}
nid = pfn_to_nid(addr >> PAGE_SHIFT);
dev_dbg_ratelimited(adev->dev, "vm->mem_id=%d, local_node=%d, nid=%d\n" ,
vm->mem_id, local_node, nid);
if (nid == local_node) {
uint64_t old_flags = *flags;
if ((*flags & AMDGPU_PTE_MTYPE_VG10_MASK) ==
AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_NC)) {
unsigned int mtype_local = MTYPE_RW;
if (amdgpu_mtype_local == 1 )
mtype_local = MTYPE_NC;
else if (amdgpu_mtype_local == 2 )
mtype_local = MTYPE_CC;
*flags = AMDGPU_PTE_MTYPE_VG10(*flags, mtype_local);
} else {
/* MTYPE_UC case */
*flags = AMDGPU_PTE_MTYPE_VG10(*flags, MTYPE_CC);
}
dev_dbg_ratelimited(adev->dev, "flags updated from %llx to %llx\n" ,
old_flags, *flags);
}
}
static unsigned int gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
{
u32 d1vga_control = RREG32_SOC15(DCE, 0 , mmD1VGA_CONTROL);
unsigned int size;
/* TODO move to DC so GMC doesn't need to hard-code DCN registers */
if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
size = AMDGPU_VBIOS_VGA_ALLOCATION;
} else {
u32 viewport;
switch (amdgpu_ip_version(adev, DCE_HWIP, 0 )) {
case IP_VERSION(1 , 0 , 0 ):
case IP_VERSION(1 , 0 , 1 ):
viewport = RREG32_SOC15(DCE, 0 , mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
size = (REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
4 );
break ;
case IP_VERSION(2 , 1 , 0 ):
viewport = RREG32_SOC15(DCE, 0 , mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2);
size = (REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
4 );
break ;
default :
viewport = RREG32_SOC15(DCE, 0 , mmSCL0_VIEWPORT_SIZE);
size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) *
4 );
break ;
}
}
return size;
}
static bool gmc_v9_0_need_reset_on_init(struct amdgpu_device *adev)
{
if (adev->nbio.funcs && adev->nbio.funcs->is_nps_switch_requested &&
adev->nbio.funcs->is_nps_switch_requested(adev)) {
adev->gmc.reset_flags |= AMDGPU_GMC_INIT_RESET_NPS;
return true ;
}
return false ;
}
static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
.flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
.flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid,
.emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
.emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
.map_mtype = gmc_v9_0_map_mtype,
.get_vm_pde = gmc_v9_0_get_vm_pde,
.get_vm_pte = gmc_v9_0_get_vm_pte,
.override_vm_pte_flags = gmc_v9_0_override_vm_pte_flags,
.get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size,
.query_mem_partition_mode = &amdgpu_gmc_query_memory_partition,
.request_mem_partition_mode = &amdgpu_gmc_request_memory_partition,
.need_reset_on_init = &gmc_v9_0_need_reset_on_init,
};
static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev)
{
adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs;
}
static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, UMC_HWIP, 0 )) {
case IP_VERSION(6 , 0 , 0 ):
adev->umc.funcs = &umc_v6_0_funcs;
break ;
case IP_VERSION(6 , 1 , 1 ):
adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20;
adev->umc.retire_unit = 1 ;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0 ][0 ];
adev->umc.ras = &umc_v6_1_ras;
break ;
case IP_VERSION(6 , 1 , 2 ):
adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT;
adev->umc.retire_unit = 1 ;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0 ][0 ];
adev->umc.ras = &umc_v6_1_ras;
break ;
case IP_VERSION(6 , 7 , 0 ):
adev->umc.max_ras_err_cnt_per_query =
UMC_V6_7_TOTAL_CHANNEL_NUM * UMC_V6_7_BAD_PAGE_NUM_PER_CHANNEL;
adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET;
adev->umc.retire_unit = (UMC_V6_7_NA_MAP_PA_NUM * 2 );
if (!adev->gmc.xgmi.connected_to_cpu)
adev->umc.ras = &umc_v6_7_ras;
if (1 & adev->smuio.funcs->get_die_id(adev))
adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0 ][0 ];
else
adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0 ][0 ];
break ;
case IP_VERSION(12 , 0 , 0 ):
case IP_VERSION(12 , 5 , 0 ):
adev->umc.max_ras_err_cnt_per_query =
UMC_V12_0_TOTAL_CHANNEL_NUM(adev) * UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL;
adev->umc.channel_inst_num = UMC_V12_0_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V12_0_UMC_INSTANCE_NUM;
adev->umc.node_inst_num /= UMC_V12_0_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V12_0_PER_CHANNEL_OFFSET;
if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu)
adev->umc.ras = &umc_v12_0_ras;
break ;
default :
break ;
}
}
static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0 )) {
case IP_VERSION(9 , 4 , 1 ):
adev->mmhub.funcs = &mmhub_v9_4_funcs;
break ;
case IP_VERSION(9 , 4 , 2 ):
adev->mmhub.funcs = &mmhub_v1_7_funcs;
break ;
case IP_VERSION(1 , 8 , 0 ):
case IP_VERSION(1 , 8 , 1 ):
adev->mmhub.funcs = &mmhub_v1_8_funcs;
break ;
default :
adev->mmhub.funcs = &mmhub_v1_0_funcs;
break ;
}
}
static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0 )) {
case IP_VERSION(9 , 4 , 0 ):
adev->mmhub.ras = &mmhub_v1_0_ras;
break ;
case IP_VERSION(9 , 4 , 1 ):
adev->mmhub.ras = &mmhub_v9_4_ras;
break ;
case IP_VERSION(9 , 4 , 2 ):
adev->mmhub.ras = &mmhub_v1_7_ras;
break ;
case IP_VERSION(1 , 8 , 0 ):
case IP_VERSION(1 , 8 , 1 ):
adev->mmhub.ras = &mmhub_v1_8_ras;
break ;
default :
/* mmhub ras is not available */
break ;
}
}
static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
{
if (amdgpu_is_multi_aid(adev))
adev->gfxhub.funcs = &gfxhub_v1_2_funcs;
else
adev->gfxhub.funcs = &gfxhub_v1_0_funcs;
}
static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev)
{
adev->hdp.ras = &hdp_v4_0_ras;
}
static void gmc_v9_0_set_mca_ras_funcs(struct amdgpu_device *adev)
{
struct amdgpu_mca *mca = &adev->mca;
/* is UMC the right IP to check for MCA? Maybe DF? */
switch (amdgpu_ip_version(adev, UMC_HWIP, 0 )) {
case IP_VERSION(6 , 7 , 0 ):
if (!adev->gmc.xgmi.connected_to_cpu) {
mca->mp0.ras = &mca_v3_0_mp0_ras;
mca->mp1.ras = &mca_v3_0_mp1_ras;
mca->mpio.ras = &mca_v3_0_mpio_ras;
}
break ;
default :
break ;
}
}
static void gmc_v9_0_set_xgmi_ras_funcs(struct amdgpu_device *adev)
{
if (!adev->gmc.xgmi.connected_to_cpu)
adev->gmc.xgmi.ras = &xgmi_ras;
}
static void gmc_v9_0_init_nps_details(struct amdgpu_device *adev)
{
enum amdgpu_memory_partition mode;
uint32_t supp_modes;
int i;
adev->gmc.supported_nps_modes = 0 ;
if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU))
return ;
mode = amdgpu_gmc_get_memory_partition(adev, &supp_modes);
/* Mode detected by hardware and supported modes available */
if ((mode != UNKNOWN_MEMORY_PARTITION_MODE) && supp_modes) {
while ((i = ffs(supp_modes))) {
if (AMDGPU_ALL_NPS_MASK & BIT(i))
adev->gmc.supported_nps_modes |= BIT(i);
supp_modes &= supp_modes - 1 ;
}
} else {
/*TODO: Check PSP version also which supports NPS switch. Otherwise keep
* supported modes as 0 .
*/
switch (amdgpu_ip_version(adev, GC_HWIP, 0 )) {
case IP_VERSION(9 , 4 , 3 ):
case IP_VERSION(9 , 4 , 4 ):
adev->gmc.supported_nps_modes =
BIT(AMDGPU_NPS1_PARTITION_MODE) |
BIT(AMDGPU_NPS4_PARTITION_MODE);
break ;
default :
break ;
}
}
}
static int gmc_v9_0_early_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
/*
* 9 . 4 . 0 , 9 . 4 . 1 and 9 . 4 . 3 don ' t have XGMI defined
* in their IP discovery tables
*/
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 0 ) ||
amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 1 ) ||
amdgpu_is_multi_aid(adev))
adev->gmc.xgmi.supported = true ;
if (amdgpu_ip_version(adev, XGMI_HWIP, 0 ) == IP_VERSION(6 , 1 , 0 )) {
adev->gmc.xgmi.supported = true ;
adev->gmc.xgmi.connected_to_cpu =
adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
}
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 3 )) {
enum amdgpu_pkg_type pkg_type =
adev->smuio.funcs->get_pkg_type(adev);
/* On GFXIP 9.4.3. APU, there is no physical VRAM domain present
* and the APU , can be in used two possible modes :
* - carveout mode
* - native APU mode
* " is_app_apu " can be used to identify the APU in the native
* mode .
*/
adev->gmc.is_app_apu = (pkg_type == AMDGPU_PKG_TYPE_APU &&
!pci_resource_len(adev->pdev, 0 ));
}
gmc_v9_0_set_gmc_funcs(adev);
gmc_v9_0_set_irq_funcs(adev);
gmc_v9_0_set_umc_funcs(adev);
gmc_v9_0_set_mmhub_funcs(adev);
gmc_v9_0_set_mmhub_ras_funcs(adev);
gmc_v9_0_set_gfxhub_funcs(adev);
gmc_v9_0_set_hdp_ras_funcs(adev);
gmc_v9_0_set_mca_ras_funcs(adev);
gmc_v9_0_set_xgmi_ras_funcs(adev);
adev->gmc.shared_aperture_start = 0 x2000000000000000ULL;
adev->gmc.shared_aperture_end =
adev->gmc.shared_aperture_start + (4 ULL << 30 ) - 1 ;
adev->gmc.private_aperture_start = 0 x1000000000000000ULL;
adev->gmc.private_aperture_end =
adev->gmc.private_aperture_start + (4 ULL << 30 ) - 1 ;
adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
return 0 ;
}
static int gmc_v9_0_late_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
int r;
r = amdgpu_gmc_allocate_vm_inv_eng(adev);
if (r)
return r;
/*
* Workaround performance drop issue with VBIOS enables partial
* writes , while disables HBM ECC for vega10 .
*/
if (!amdgpu_sriov_vf(adev) &&
(amdgpu_ip_version(adev, UMC_HWIP, 0 ) == IP_VERSION(6 , 0 , 0 ))) {
if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) {
if (adev->df.funcs &&
adev->df.funcs->enable_ecc_force_par_wr_rmw)
adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false );
}
}
if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__MMHUB);
amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__HDP);
}
r = amdgpu_gmc_ras_late_init(adev);
if (r)
return r;
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0 );
}
static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc)
{
u64 base = adev->mmhub.funcs->get_fb_location(adev);
amdgpu_gmc_set_agp_default(adev, mc);
/* add the xgmi offset of the physical node */
base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
if (amdgpu_gmc_is_pdb0_enabled(adev)) {
amdgpu_gmc_sysvm_location(adev, mc);
} else {
amdgpu_gmc_vram_location(adev, mc, base);
amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1 ))
amdgpu_gmc_agp_location(adev, mc);
}
/* base offset of vram pages */
adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
/* XXX: add the xgmi offset of the physical node? */
adev->vm_manager.vram_base_offset +=
adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
}
/**
* gmc_v9_0_mc_init - initialize the memory controller driver params
*
* @ adev : amdgpu_device pointer
*
* Look up the amount of vram , vram width , and decide how to place
* vram and gart within the GPU ' s physical address space .
* Returns 0 for success .
*/
static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
{
int r;
/* size in MB on si */
if (!adev->gmc.is_app_apu) {
adev->gmc.mc_vram_size =
adev->nbio.funcs->get_memsize(adev) * 1024 ULL * 1024 ULL;
} else {
DRM_DEBUG("Set mc_vram_size = 0 for APP APU\n" );
adev->gmc.mc_vram_size = 0 ;
}
adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
if (!(adev->flags & AMD_IS_APU) &&
!adev->gmc.xgmi.connected_to_cpu) {
r = amdgpu_device_resize_fb_bar(adev);
if (r)
return r;
}
adev->gmc.aper_base = pci_resource_start(adev->pdev, 0 );
adev->gmc.aper_size = pci_resource_len(adev->pdev, 0 );
#ifdef CONFIG_X86_64
/*
* AMD Accelerated Processing Platform ( APP ) supporting GPU - HOST xgmi
* interface can use VRAM through here as it appears system reserved
* memory in host address space .
*
* For APUs , VRAM is just the stolen system memory and can be accessed
* directly .
*
* Otherwise , use the legacy Host Data Path ( HDP ) through PCIe BAR .
*/
/* check whether both host-gpu and gpu-gpu xgmi links exist */
if ((!amdgpu_sriov_vf(adev) &&
(adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) ||
(adev->gmc.xgmi.supported &&
adev->gmc.xgmi.connected_to_cpu)) {
adev->gmc.aper_base =
adev->gfxhub.funcs->get_mc_fb_offset(adev) +
adev->gmc.xgmi.physical_node_id *
adev->gmc.xgmi.node_segment_size;
adev->gmc.aper_size = adev->gmc.real_vram_size;
}
#endif
adev->gmc.visible_vram_size = adev->gmc.aper_size;
/* set the gart size */
if (amdgpu_gart_size == -1 ) {
switch (amdgpu_ip_version(adev, GC_HWIP, 0 )) {
case IP_VERSION(9 , 0 , 1 ): /* all engines support GPUVM */
case IP_VERSION(9 , 2 , 1 ): /* all engines support GPUVM */
case IP_VERSION(9 , 4 , 0 ):
case IP_VERSION(9 , 4 , 1 ):
case IP_VERSION(9 , 4 , 2 ):
case IP_VERSION(9 , 4 , 3 ):
case IP_VERSION(9 , 4 , 4 ):
case IP_VERSION(9 , 5 , 0 ):
default :
adev->gmc.gart_size = 512 ULL << 20 ;
break ;
case IP_VERSION(9 , 1 , 0 ): /* DCE SG support */
case IP_VERSION(9 , 2 , 2 ): /* DCE SG support */
case IP_VERSION(9 , 3 , 0 ):
adev->gmc.gart_size = 1024 ULL << 20 ;
break ;
}
} else {
adev->gmc.gart_size = (u64)amdgpu_gart_size << 20 ;
}
adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
gmc_v9_0_vram_gtt_location(adev, &adev->gmc);
return 0 ;
}
static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
{
int r;
if (adev->gart.bo) {
WARN(1 , "VEGA10 PCIE GART already initialized\n" );
return 0 ;
}
if (amdgpu_gmc_is_pdb0_enabled(adev)) {
adev->gmc.vmid0_page_table_depth = 1 ;
adev->gmc.vmid0_page_table_block_size = 12 ;
} else {
adev->gmc.vmid0_page_table_depth = 0 ;
adev->gmc.vmid0_page_table_block_size = 0 ;
}
/* Initialize common gart structure */
r = amdgpu_gart_init(adev);
if (r)
return r;
adev->gart.table_size = adev->gart.num_gpu_pages * 8 ;
adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(0 ULL, MTYPE_UC) |
AMDGPU_PTE_EXECUTABLE;
if (!adev->gmc.real_vram_size) {
dev_info(adev->dev, "Put GART in system memory for APU\n" );
r = amdgpu_gart_table_ram_alloc(adev);
if (r)
dev_err(adev->dev, "Failed to allocate GART in system memory\n" );
} else {
r = amdgpu_gart_table_vram_alloc(adev);
if (r)
return r;
if (amdgpu_gmc_is_pdb0_enabled(adev))
r = amdgpu_gmc_pdb0_alloc(adev);
}
return r;
}
/**
* gmc_v9_0_save_registers - saves regs
*
* @ adev : amdgpu_device pointer
*
* This saves potential register values that should be
* restored upon resume
*/
static void gmc_v9_0_save_registers(struct amdgpu_device *adev)
{
if ((amdgpu_ip_version(adev, DCE_HWIP, 0 ) == IP_VERSION(1 , 0 , 0 )) ||
(amdgpu_ip_version(adev, DCE_HWIP, 0 ) == IP_VERSION(1 , 0 , 1 )))
adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0 , mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
}
static void gmc_v9_4_3_init_vram_info(struct amdgpu_device *adev)
{
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM;
adev->gmc.vram_width = 128 * 64 ;
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 5 , 0 ))
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM3E;
}
static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
{
int r, vram_width = 0 , vram_type = 0 , vram_vendor = 0 , dma_addr_bits;
struct amdgpu_device *adev = ip_block->adev;
unsigned long inst_mask = adev->aid_mask;
adev->gfxhub.funcs->init(adev);
adev->mmhub.funcs->init(adev);
spin_lock_init(&adev->gmc.invalidate_lock);
if (amdgpu_is_multi_aid(adev)) {
gmc_v9_4_3_init_vram_info(adev);
} else if (!adev->bios) {
if (adev->flags & AMD_IS_APU) {
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
adev->gmc.vram_width = 64 * 64 ;
} else {
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM;
adev->gmc.vram_width = 128 * 64 ;
}
} else {
r = amdgpu_atomfirmware_get_vram_info(adev,
&vram_width, &vram_type, &vram_vendor);
if (amdgpu_sriov_vf(adev))
/* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
* and DF related registers is not readable , seems hardcord is the
* only way to set the correct vram_width
*/
adev->gmc.vram_width = 2048 ;
else if (amdgpu_emu_mode != 1 )
adev->gmc.vram_width = vram_width;
if (!adev->gmc.vram_width) {
int chansize, numchan;
/* hbm memory channel size */
if (adev->flags & AMD_IS_APU)
chansize = 64 ;
else
chansize = 128 ;
if (adev->df.funcs &&
adev->df.funcs->get_hbm_channel_number) {
numchan = adev->df.funcs->get_hbm_channel_number(adev);
adev->gmc.vram_width = numchan * chansize;
}
}
adev->gmc.vram_type = vram_type;
adev->gmc.vram_vendor = vram_vendor;
}
switch (amdgpu_ip_version(adev, GC_HWIP, 0 )) {
case IP_VERSION(9 , 1 , 0 ):
case IP_VERSION(9 , 2 , 2 ):
set_bit(AMDGPU_GFXHUB(0 ), adev->vmhubs_mask);
set_bit(AMDGPU_MMHUB0(0 ), adev->vmhubs_mask);
if (adev->rev_id == 0 x0 || adev->rev_id == 0 x1) {
amdgpu_vm_adjust_size(adev, 256 * 1024 , 9 , 3 , 48 );
} else {
/* vm_size is 128TB + 512GB for legacy 3-level page support */
amdgpu_vm_adjust_size(adev, 128 * 1024 + 512 , 9 , 2 , 48 );
adev->gmc.translate_further =
adev->vm_manager.num_level > 1 ;
}
break ;
case IP_VERSION(9 , 0 , 1 ):
case IP_VERSION(9 , 2 , 1 ):
case IP_VERSION(9 , 4 , 0 ):
case IP_VERSION(9 , 3 , 0 ):
case IP_VERSION(9 , 4 , 2 ):
set_bit(AMDGPU_GFXHUB(0 ), adev->vmhubs_mask);
set_bit(AMDGPU_MMHUB0(0 ), adev->vmhubs_mask);
/*
* To fulfill 4 - level page support ,
* vm size is 256 TB ( 48 bit ) , maximum size of Vega10 ,
* block size 512 ( 9 bit )
*/
amdgpu_vm_adjust_size(adev, 256 * 1024 , 9 , 3 , 48 );
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 2 ))
adev->gmc.translate_further = adev->vm_manager.num_level > 1 ;
break ;
case IP_VERSION(9 , 4 , 1 ):
set_bit(AMDGPU_GFXHUB(0 ), adev->vmhubs_mask);
set_bit(AMDGPU_MMHUB0(0 ), adev->vmhubs_mask);
set_bit(AMDGPU_MMHUB1(0 ), adev->vmhubs_mask);
/* Keep the vm size same with Vega20 */
amdgpu_vm_adjust_size(adev, 256 * 1024 , 9 , 3 , 48 );
adev->gmc.translate_further = adev->vm_manager.num_level > 1 ;
break ;
case IP_VERSION(9 , 4 , 3 ):
case IP_VERSION(9 , 4 , 4 ):
case IP_VERSION(9 , 5 , 0 ):
bitmap_set(adev->vmhubs_mask, AMDGPU_GFXHUB(0 ),
NUM_XCC(adev->gfx.xcc_mask));
inst_mask <<= AMDGPU_MMHUB0(0 );
bitmap_or(adev->vmhubs_mask, adev->vmhubs_mask, &inst_mask, 32 );
amdgpu_vm_adjust_size(adev, 256 * 1024 , 9 , 3 , 48 );
adev->gmc.translate_further = adev->vm_manager.num_level > 1 ;
break ;
default :
break ;
}
/* This interrupt is VMC page fault.*/
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
if (amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 1 )) {
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
}
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
if (!amdgpu_sriov_vf(adev) &&
!adev->gmc.xgmi.connected_to_cpu &&
!adev->gmc.is_app_apu) {
/* interrupt sent to DF. */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0 ,
&adev->gmc.ecc_irq);
if (r)
return r;
}
/* Set the internal MC address mask
* This is the max address of the GPU ' s
* internal address space .
*/
adev->gmc.mc_mask = 0 xffffffffffffULL; /* 48 bit MC */
dma_addr_bits = amdgpu_ip_version(adev, GC_HWIP, 0 ) >=
IP_VERSION(9 , 4 , 2 ) ?
48 :
44 ;
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(dma_addr_bits));
if (r) {
dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n" );
return r;
}
adev->need_swiotlb = drm_need_swiotlb(dma_addr_bits);
r = gmc_v9_0_mc_init(adev);
if (r)
return r;
amdgpu_gmc_get_vbios_allocations(adev);
if (amdgpu_is_multi_aid(adev)) {
r = amdgpu_gmc_init_mem_ranges(adev);
if (r)
return r;
}
/* Memory manager */
r = amdgpu_bo_init(adev);
if (r)
return r;
r = gmc_v9_0_gart_init(adev);
if (r)
return r;
gmc_v9_0_init_nps_details(adev);
/*
* number of VMs
* VMID 0 is reserved for System
* amdgpu graphics / compute will use VMIDs 1 . . n - 1
* amdkfd will use VMIDs n . . 15
*
* The first KFD VMID is 8 for GPUs with graphics , 3 for
* compute - only GPUs . On compute - only GPUs that leaves 2 VMIDs
* for video processing .
*/
adev->vm_manager.first_kfd_vmid =
(amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 1 ) ||
amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 2 ) ||
amdgpu_is_multi_aid(adev)) ?
3 :
8 ;
amdgpu_vm_manager_init(adev);
gmc_v9_0_save_registers(adev);
r = amdgpu_gmc_ras_sw_init(adev);
if (r)
return r;
if (amdgpu_is_multi_aid(adev))
amdgpu_gmc_sysfs_init(adev);
return 0 ;
}
static int gmc_v9_0_sw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
if (amdgpu_is_multi_aid(adev))
amdgpu_gmc_sysfs_fini(adev);
amdgpu_gmc_ras_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_vm_manager_fini(adev);
if (!adev->gmc.real_vram_size) {
dev_info(adev->dev, "Put GART in system memory for APU free\n" );
amdgpu_gart_table_ram_free(adev);
} else {
amdgpu_gart_table_vram_free(adev);
}
amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
amdgpu_bo_fini(adev);
adev->gmc.num_mem_partitions = 0 ;
kfree(adev->gmc.mem_partitions);
return 0 ;
}
static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0 )) {
case IP_VERSION(9 , 0 , 0 ):
if (amdgpu_sriov_vf(adev))
break ;
fallthrough;
case IP_VERSION(9 , 4 , 0 ):
soc15_program_register_sequence(adev,
golden_settings_mmhub_1_0_0,
ARRAY_SIZE(golden_settings_mmhub_1_0_0));
soc15_program_register_sequence(adev,
golden_settings_athub_1_0_0,
ARRAY_SIZE(golden_settings_athub_1_0_0));
break ;
case IP_VERSION(9 , 1 , 0 ):
case IP_VERSION(9 , 2 , 0 ):
/* TODO for renoir */
soc15_program_register_sequence(adev,
golden_settings_athub_1_0_0,
ARRAY_SIZE(golden_settings_athub_1_0_0));
break ;
default :
break ;
}
}
/**
* gmc_v9_0_restore_registers - restores regs
*
* @ adev : amdgpu_device pointer
*
* This restores register values , saved at suspend .
*/
void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
{
if ((amdgpu_ip_version(adev, DCE_HWIP, 0 ) == IP_VERSION(1 , 0 , 0 )) ||
(amdgpu_ip_version(adev, DCE_HWIP, 0 ) == IP_VERSION(1 , 0 , 1 ))) {
WREG32_SOC15(DCE, 0 , mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
WARN_ON(adev->gmc.sdpif_register !=
RREG32_SOC15(DCE, 0 , mmDCHUBBUB_SDPIF_MMIO_CNTRL_0));
}
}
/**
* gmc_v9_0_gart_enable - gart enable
*
* @ adev : amdgpu_device pointer
*/
static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
{
int r;
if (amdgpu_gmc_is_pdb0_enabled(adev))
amdgpu_gmc_init_pdb0(adev);
if (adev->gart.bo == NULL) {
dev_err(adev->dev, "No VRAM object for PCIE GART.\n" );
return -EINVAL;
}
amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
if (!adev->in_s0ix) {
r = adev->gfxhub.funcs->gart_enable(adev);
if (r)
return r;
}
r = adev->mmhub.funcs->gart_enable(adev);
if (r)
return r;
DRM_INFO("PCIE GART of %uM enabled.\n" ,
(unsigned int )(adev->gmc.gart_size >> 20 ));
if (adev->gmc.pdb0_bo)
DRM_INFO("PDB0 located at 0x%016llX\n" ,
(unsigned long long )amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo));
DRM_INFO("PTB located at 0x%016llX\n" ,
(unsigned long long )amdgpu_bo_gpu_offset(adev->gart.bo));
return 0 ;
}
static int gmc_v9_0_hw_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
bool value;
int i, r;
adev->gmc.flush_pasid_uses_kiq = true ;
/* Vega20+XGMI caches PTEs in TC and TLB. Add a heavy-weight TLB flush
* ( type 2 ) , which flushes both . Due to a race condition with
* concurrent memory accesses using the same TLB cache line , we still
* need a second TLB flush after this .
*/
adev->gmc.flush_tlb_needs_extra_type_2 =
amdgpu_ip_version(adev, GC_HWIP, 0 ) == IP_VERSION(9 , 4 , 0 ) &&
adev->gmc.xgmi.num_physical_nodes;
/* The sequence of these two function calls matters.*/
gmc_v9_0_init_golden_registers(adev);
if (adev->mode_info.num_crtc) {
/* Lockout access through VGA aperture*/
WREG32_FIELD15(DCE, 0 , VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1 );
/* disable VGA render */
WREG32_FIELD15(DCE, 0 , VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0 );
}
if (adev->mmhub.funcs->update_power_gating)
adev->mmhub.funcs->update_power_gating(adev, true );
adev->hdp.funcs->init_registers(adev);
/* After HDP is initialized, flush HDP.*/
amdgpu_device_flush_hdp(adev, NULL);
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false ;
else
value = true ;
if (!amdgpu_sriov_vf(adev)) {
if (!adev->in_s0ix)
adev->gfxhub.funcs->set_fault_enable_default(adev, value);
adev->mmhub.funcs->set_fault_enable_default(adev, value);
}
for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
if (adev->in_s0ix && (i == AMDGPU_GFXHUB(0 )))
continue ;
gmc_v9_0_flush_gpu_tlb(adev, 0 , i, 0 );
}
if (adev->umc.funcs && adev->umc.funcs->init_registers)
adev->umc.funcs->init_registers(adev);
r = gmc_v9_0_gart_enable(adev);
if (r)
return r;
if (amdgpu_emu_mode == 1 )
return amdgpu_gmc_vram_checking(adev);
return 0 ;
}
/**
* gmc_v9_0_gart_disable - gart disable
*
* @ adev : amdgpu_device pointer
*
* This disables all VM page table .
*/
static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
{
if (!adev->in_s0ix)
adev->gfxhub.funcs->gart_disable(adev);
adev->mmhub.funcs->gart_disable(adev);
}
static int gmc_v9_0_hw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
gmc_v9_0_gart_disable(adev);
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n" );
return 0 ;
}
/*
* Pair the operations did in gmc_v9_0_hw_init and thus maintain
* a correct cached state for GMC . Otherwise , the " gate " again
* operation on S3 resuming will fail due to wrong cached state .
*/
if (adev->mmhub.funcs->update_power_gating)
adev->mmhub.funcs->update_power_gating(adev, false );
/*
* For minimal init , late_init is not called , hence VM fault / RAS irqs
* are not enabled .
*/
if (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) {
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0 );
if (adev->gmc.ecc_irq.funcs &&
amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0 );
}
return 0 ;
}
static int gmc_v9_0_suspend(struct amdgpu_ip_block *ip_block)
{
return gmc_v9_0_hw_fini(ip_block);
}
static int gmc_v9_0_resume(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
int r;
/* If a reset is done for NPS mode switch, read the memory range
* information again .
*/
if (adev->gmc.reset_flags & AMDGPU_GMC_INIT_RESET_NPS) {
amdgpu_gmc_init_sw_mem_ranges(adev, adev->gmc.mem_partitions);
adev->gmc.reset_flags &= ~AMDGPU_GMC_INIT_RESET_NPS;
}
r = gmc_v9_0_hw_init(ip_block);
if (r)
return r;
amdgpu_vmid_reset_all(ip_block->adev);
return 0 ;
}
static bool gmc_v9_0_is_idle(struct amdgpu_ip_block *ip_block)
{
/* MC is always ready in GMC v9.*/
return true ;
}
static int gmc_v9_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
{
/* There is no need to wait for MC idle in GMC v9.*/
return 0 ;
}
static int gmc_v9_0_soft_reset(struct amdgpu_ip_block *ip_block)
{
/* XXX for emulation.*/
return 0 ;
}
static int gmc_v9_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = ip_block->adev;
adev->mmhub.funcs->set_clockgating(adev, state);
athub_v1_0_set_clockgating(adev, state);
return 0 ;
}
static void gmc_v9_0_get_clockgating_state(struct amdgpu_ip_block *ip_block, u64 *flags)
{
struct amdgpu_device *adev = ip_block->adev;
adev->mmhub.funcs->get_clockgating(adev, flags);
athub_v1_0_get_clockgating(adev, flags);
}
static int gmc_v9_0_set_powergating_state(struct amdgpu_ip_block *ip_block,
enum amd_powergating_state state)
{
return 0 ;
}
const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
.name = "gmc_v9_0" ,
.early_init = gmc_v9_0_early_init,
.late_init = gmc_v9_0_late_init,
.sw_init = gmc_v9_0_sw_init,
.sw_fini = gmc_v9_0_sw_fini,
.hw_init = gmc_v9_0_hw_init,
.hw_fini = gmc_v9_0_hw_fini,
.suspend = gmc_v9_0_suspend,
.resume = gmc_v9_0_resume,
.is_idle = gmc_v9_0_is_idle,
.wait_for_idle = gmc_v9_0_wait_for_idle,
.soft_reset = gmc_v9_0_soft_reset,
.set_clockgating_state = gmc_v9_0_set_clockgating_state,
.set_powergating_state = gmc_v9_0_set_powergating_state,
.get_clockgating_state = gmc_v9_0_get_clockgating_state,
};
const struct amdgpu_ip_block_version gmc_v9_0_ip_block = {
.type = AMD_IP_BLOCK_TYPE_GMC,
.major = 9 ,
.minor = 0 ,
.rev = 0 ,
.funcs = &gmc_v9_0_ip_funcs,
};
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