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|
/*
* Copyright 2017 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.
*
* Authors: Xiangliang.Yu@amd.com
*/
#include "amdgpu.h"
#include "vi.h"
#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"
#include "vid.h"
#include "gca/gfx_8_0_d.h"
#include "gca/gfx_8_0_sh_mask.h"
#include "gmc_v8_0.h"
#include "gfx_v8_0.h"
#include "sdma_v3_0.h"
#include "tonga_ih.h"
#include "gmc/gmc_8_2_d.h"
#include "gmc/gmc_8_2_sh_mask.h"
#include "oss/oss_3_0_d.h"
#include "oss/oss_3_0_sh_mask.h"
#include "dce/dce_10_0_d.h"
#include "dce/dce_10_0_sh_mask.h"
#include "smu/smu_7_1_3_d.h"
#include "mxgpu_vi.h"
#include "amdgpu_reset.h"
/* VI golden setting */
static const u32 xgpu_fiji_mgcg_cgcg_init[] = {
mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff,
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100,
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100,
mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100,
mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100,
mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100,
mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100,
mmTA_CGTT_CTRL, 0xffffffff, 0x00000100,
mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmTD_CGTT_CTRL, 0xffffffff, 0x00000100,
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200,
mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100,
mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c,
mmPCIE_INDEX, 0xffffffff, 0x0140001c,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104,
mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001,
mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100,
mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100,
};
static const u32 xgpu_fiji_golden_settings_a10[] = {
mmCB_HW_CONTROL_3, 0x000001ff, 0x00000040,
mmDB_DEBUG2, 0xf00fffff, 0x00000400,
mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
mmFBC_MISC, 0x1f311fff, 0x12300000,
mmHDMI_CONTROL, 0x31000111, 0x00000011,
mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000ff,
mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
};
static const u32 xgpu_fiji_golden_common_all[] = {
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x3a00161a,
mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002e,
mmGB_ADDR_CONFIG, 0xffffffff, 0x22011003,
mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800,
mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800,
mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
mmSPI_RESOURCE_RESERVE_EN_CU_1, 0xffffffff, 0x00007FAF,
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmSPI_CONFIG_CNTL_1, 0x0000000f, 0x00000009,
};
static const u32 xgpu_tonga_mgcg_cgcg_init[] = {
mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff,
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100,
mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100,
mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100,
mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100,
mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100,
mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100,
mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100,
mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100,
mmTA_CGTT_CTRL, 0xffffffff, 0x00000100,
mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
mmTD_CGTT_CTRL, 0xffffffff, 0x00000100,
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmCGTS_CU0_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU0_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU0_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU0_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU0_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU1_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU1_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU1_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU1_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU1_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU2_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU2_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU2_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU2_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU2_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU3_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU3_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU3_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU3_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU3_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU4_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU4_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU4_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU4_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU4_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU5_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU5_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU5_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU5_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU5_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU6_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU6_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU6_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU6_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU6_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_CU7_SP0_CTRL_REG, 0xffffffff, 0x00010000,
mmCGTS_CU7_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
mmCGTS_CU7_TA_CTRL_REG, 0xffffffff, 0x00040007,
mmCGTS_CU7_SP1_CTRL_REG, 0xffffffff, 0x00060005,
mmCGTS_CU7_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200,
mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100,
mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c,
mmPCIE_INDEX, 0xffffffff, 0x0140001c,
mmPCIE_DATA, 0x000f0000, 0x00000000,
mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104,
mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001,
mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100,
mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100,
};
static const u32 xgpu_tonga_golden_settings_a11[] = {
mmCB_HW_CONTROL, 0xfffdf3cf, 0x00007208,
mmCB_HW_CONTROL_3, 0x00000040, 0x00000040,
mmDB_DEBUG2, 0xf00fffff, 0x00000400,
mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
mmFBC_MISC, 0x1f311fff, 0x12300000,
mmGB_GPU_ID, 0x0000000f, 0x00000000,
mmHDMI_CONTROL, 0x31000111, 0x00000011,
mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
mmPA_SC_FIFO_DEPTH_CNTL, 0x000003ff, 0x000000fc,
mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
mmRLC_CGCG_CGLS_CTRL, 0x00000003, 0x0000003c,
mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000,
mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000,
mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
mmTCC_CTRL, 0x00100000, 0xf31fff7f,
mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
mmTCP_ADDR_CONFIG, 0x000003ff, 0x000002fb,
mmTCP_CHAN_STEER_HI, 0xffffffff, 0x0000543b,
mmTCP_CHAN_STEER_LO, 0xffffffff, 0xa9210876,
mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
};
static const u32 xgpu_tonga_golden_common_all[] = {
mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x16000012,
mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002A,
mmGB_ADDR_CONFIG, 0xffffffff, 0x22011002,
mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800,
mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800,
mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
};
void xgpu_vi_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_FIJI:
amdgpu_device_program_register_sequence(adev,
xgpu_fiji_mgcg_cgcg_init,
ARRAY_SIZE(
xgpu_fiji_mgcg_cgcg_init));
amdgpu_device_program_register_sequence(adev,
xgpu_fiji_golden_settings_a10,
ARRAY_SIZE(
xgpu_fiji_golden_settings_a10));
amdgpu_device_program_register_sequence(adev,
xgpu_fiji_golden_common_all,
ARRAY_SIZE(
xgpu_fiji_golden_common_all));
break;
case CHIP_TONGA:
amdgpu_device_program_register_sequence(adev,
xgpu_tonga_mgcg_cgcg_init,
ARRAY_SIZE(
xgpu_tonga_mgcg_cgcg_init));
amdgpu_device_program_register_sequence(adev,
xgpu_tonga_golden_settings_a11,
ARRAY_SIZE(
xgpu_tonga_golden_settings_a11));
amdgpu_device_program_register_sequence(adev,
xgpu_tonga_golden_common_all,
ARRAY_SIZE(
xgpu_tonga_golden_common_all));
break;
default:
BUG_ON("Doesn't support chip type.\n");
break;
}
}
/*
* Mailbox communication between GPU hypervisor and VFs
*/
static void xgpu_vi_mailbox_send_ack(struct amdgpu_device *adev)
{
u32 reg;
int timeout = VI_MAILBOX_TIMEDOUT;
u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID);
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1);
WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg);
/*Wait for RCV_MSG_VALID to be 0*/
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
while (reg & mask) {
if (timeout <= 0) {
pr_err("RCV_MSG_VALID is not cleared\n");
break;
}
mdelay(1);
timeout -= 1;
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
}
}
static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev, bool val)
{
u32 reg;
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
reg = REG_SET_FIELD(reg, MAILBOX_CONTROL,
TRN_MSG_VALID, val ? 1 : 0);
WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg);
}
static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev,
enum idh_request req)
{
u32 reg;
reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0);
reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0,
MSGBUF_DATA, req);
WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, reg);
xgpu_vi_mailbox_set_valid(adev, true);
}
static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev,
enum idh_event event)
{
u32 reg;
u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID);
/* workaround: host driver doesn't set VALID for CMPL now */
if (event != IDH_FLR_NOTIFICATION_CMPL) {
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
if (!(reg & mask))
return -ENOENT;
}
reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
if (reg != event)
return -ENOENT;
/* send ack to PF */
xgpu_vi_mailbox_send_ack(adev);
return 0;
}
static int xgpu_vi_poll_ack(struct amdgpu_device *adev)
{
int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, TRN_MSG_ACK);
u32 reg;
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
while (!(reg & mask)) {
if (timeout <= 0) {
pr_err("Doesn't get ack from pf.\n");
r = -ETIME;
break;
}
mdelay(5);
timeout -= 5;
reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
}
return r;
}
static int xgpu_vi_poll_msg(struct amdgpu_device *adev, enum idh_event event)
{
int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
r = xgpu_vi_mailbox_rcv_msg(adev, event);
while (r) {
if (timeout <= 0) {
pr_err("Doesn't get ack from pf.\n");
r = -ETIME;
break;
}
mdelay(5);
timeout -= 5;
r = xgpu_vi_mailbox_rcv_msg(adev, event);
}
return r;
}
static int xgpu_vi_send_access_requests(struct amdgpu_device *adev,
enum idh_request request)
{
int r;
xgpu_vi_mailbox_trans_msg(adev, request);
/* start to poll ack */
r = xgpu_vi_poll_ack(adev);
if (r)
return r;
xgpu_vi_mailbox_set_valid(adev, false);
/* start to check msg if request is idh_req_gpu_init_access */
if (request == IDH_REQ_GPU_INIT_ACCESS ||
request == IDH_REQ_GPU_FINI_ACCESS ||
request == IDH_REQ_GPU_RESET_ACCESS) {
r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
if (r) {
pr_err("Doesn't get ack from pf, give up\n");
return r;
}
}
return 0;
}
static int xgpu_vi_request_reset(struct amdgpu_device *adev)
{
return xgpu_vi_send_access_requests(adev, IDH_REQ_GPU_RESET_ACCESS);
}
static int xgpu_vi_wait_reset_cmpl(struct amdgpu_device *adev)
{
return xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL);
}
static int xgpu_vi_request_full_gpu_access(struct amdgpu_device *adev,
bool init)
{
enum idh_request req;
req = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS;
return xgpu_vi_send_access_requests(adev, req);
}
static int xgpu_vi_release_full_gpu_access(struct amdgpu_device *adev,
bool init)
{
enum idh_request req;
int r = 0;
req = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS;
r = xgpu_vi_send_access_requests(adev, req);
return r;
}
/* add support mailbox interrupts */
static int xgpu_vi_mailbox_ack_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_DEBUG("get ack intr and do nothing.\n");
return 0;
}
static int xgpu_vi_set_mailbox_ack_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned type,
enum amdgpu_interrupt_state state)
{
u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN,
(state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
return 0;
}
static void xgpu_vi_mailbox_flr_work(struct work_struct *work)
{
struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, flr_work);
struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
/* Trigger recovery due to world switch failure */
if (amdgpu_device_should_recover_gpu(adev)) {
struct amdgpu_reset_context reset_context;
memset(&reset_context, 0, sizeof(reset_context));
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
set_bit(AMDGPU_HOST_FLR, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
}
}
static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned type,
enum amdgpu_interrupt_state state)
{
u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN,
(state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
return 0;
}
static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
int r;
/* trigger gpu-reset by hypervisor only if TDR disabled */
if (!amdgpu_gpu_recovery) {
/* see what event we get */
r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION);
/* only handle FLR_NOTIFY now */
if (!r)
WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain,
&adev->virt.flr_work),
"Failed to queue work! at %s",
__func__);
}
return 0;
}
static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_ack_irq_funcs = {
.set = xgpu_vi_set_mailbox_ack_irq,
.process = xgpu_vi_mailbox_ack_irq,
};
static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_rcv_irq_funcs = {
.set = xgpu_vi_set_mailbox_rcv_irq,
.process = xgpu_vi_mailbox_rcv_irq,
};
void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev)
{
adev->virt.ack_irq.num_types = 1;
adev->virt.ack_irq.funcs = &xgpu_vi_mailbox_ack_irq_funcs;
adev->virt.rcv_irq.num_types = 1;
adev->virt.rcv_irq.funcs = &xgpu_vi_mailbox_rcv_irq_funcs;
}
int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev)
{
int r;
r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 135, &adev->virt.rcv_irq);
if (r)
return r;
r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 138, &adev->virt.ack_irq);
if (r) {
amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
return r;
}
return 0;
}
int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev)
{
int r;
r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0);
if (r)
return r;
r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0);
if (r) {
amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
return r;
}
INIT_WORK(&adev->virt.flr_work, xgpu_vi_mailbox_flr_work);
return 0;
}
void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev)
{
amdgpu_irq_put(adev, &adev->virt.ack_irq, 0);
amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
}
const struct amdgpu_virt_ops xgpu_vi_virt_ops = {
.req_full_gpu = xgpu_vi_request_full_gpu_access,
.rel_full_gpu = xgpu_vi_release_full_gpu_access,
.reset_gpu = xgpu_vi_request_reset,
.wait_reset = xgpu_vi_wait_reset_cmpl,
.trans_msg = NULL, /* Does not need to trans VF errors to host. */
};
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