diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c | 592 |
1 files changed, 592 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c new file mode 100644 index 000000000000..d2622b6f49fa --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c @@ -0,0 +1,592 @@ +/* + * 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 "gca/gfx_8_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" + +/* 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_program_register_sequence(adev, + xgpu_fiji_mgcg_cgcg_init, + (const u32)ARRAY_SIZE( + xgpu_fiji_mgcg_cgcg_init)); + amdgpu_program_register_sequence(adev, + xgpu_fiji_golden_settings_a10, + (const u32)ARRAY_SIZE( + xgpu_fiji_golden_settings_a10)); + amdgpu_program_register_sequence(adev, + xgpu_fiji_golden_common_all, + (const u32)ARRAY_SIZE( + xgpu_fiji_golden_common_all)); + break; + case CHIP_TONGA: + amdgpu_program_register_sequence(adev, + xgpu_tonga_mgcg_cgcg_init, + (const u32)ARRAY_SIZE( + xgpu_tonga_mgcg_cgcg_init)); + amdgpu_program_register_sequence(adev, + xgpu_tonga_golden_settings_a11, + (const u32)ARRAY_SIZE( + xgpu_tonga_golden_settings_a11)); + amdgpu_program_register_sequence(adev, + xgpu_tonga_golden_common_all, + (const u32)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; + + reg = RREG32(mmMAILBOX_CONTROL); + reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1); + WREG32(mmMAILBOX_CONTROL, reg); +} + +static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev, bool val) +{ + u32 reg; + + reg = RREG32(mmMAILBOX_CONTROL); + reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, + TRN_MSG_VALID, val ? 1 : 0); + WREG32(mmMAILBOX_CONTROL, reg); +} + +static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev, + enum idh_event event) +{ + u32 reg; + + reg = RREG32(mmMAILBOX_MSGBUF_TRN_DW0); + reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0, + MSGBUF_DATA, event); + WREG32(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; + + reg = RREG32(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(mmMAILBOX_CONTROL); + while (!(reg & mask)) { + if (timeout <= 0) { + pr_err("Doesn't get ack from pf.\n"); + r = -ETIME; + break; + } + msleep(1); + timeout -= 1; + + reg = RREG32(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; + } + msleep(1); + timeout -= 1; + + 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) { + r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU); + if (r) + 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_request_full_gpu_access(struct amdgpu_device *adev, + bool init) +{ + enum idh_event event; + + event = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS; + return xgpu_vi_send_access_requests(adev, event); +} + +static int xgpu_vi_release_full_gpu_access(struct amdgpu_device *adev, + bool init) +{ + enum idh_event event; + int r = 0; + + event = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS; + r = xgpu_vi_send_access_requests(adev, event); + + 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(mmMAILBOX_INT_CNTL); + + tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN, + (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); + WREG32(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.work); + struct amdgpu_device *adev = container_of(virt, + struct amdgpu_device, virt); + int r = 0; + + r = xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL); + if (r) + DRM_ERROR("failed to get flr cmpl msg from hypervior.\n"); + + /* TODO: need to restore gfx states */ +} + +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(mmMAILBOX_INT_CNTL); + + tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN, + (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0); + WREG32(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; + + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION); + /* do nothing for other msg */ + if (r) + return 0; + + /* TODO: need to save gfx states */ + schedule_delayed_work(&adev->virt.flr_work, + msecs_to_jiffies(VI_MAILBOX_RESET_TIME)); + + 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, 135, &adev->virt.rcv_irq); + if (r) + return r; + + r = amdgpu_irq_add_id(adev, 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_DELAYED_WORK(&adev->virt.flr_work, xgpu_vi_mailbox_flr_work); + + return 0; +} + +void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev) +{ + cancel_delayed_work_sync(&adev->virt.flr_work); + 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, +}; |