diff options
author | Monk Liu <Monk.Liu@amd.com> | 2020-03-05 21:11:32 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-06 14:34:56 -0500 |
commit | dd26858a9cd8bbe5a0a63c5b1e52a3b1a1888d80 (patch) | |
tree | 70ed421f4f22c813507db6faf4f652a6b7ac6a3b /drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | |
parent | fe4424918655cc8229bd21ecdf33523cd40b0fc6 (diff) | |
download | linux-dd26858a9cd8bbe5a0a63c5b1e52a3b1a1888d80.tar.bz2 |
drm/amdgpu: implement initialization part on VCN2.0 for SRIOV
something need to do for VCN2.0 enablement on SRIOV:
1)use one dec ring and one enc ring
2)allocate MM table for MMSCH usage
3)implement SRIOV version vcn_start which orgnize vcn programing
with patcket format and implement start mmsch for to run those
packet
4)doorbell is changed for SRIOV
Singed-off-by: darlington Opara <darlington.opara@amd.com>
Signed-off-by: Jinage Zhao <jiange.zhao@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 231 |
1 files changed, 228 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c index c387c81f8695..421e5bf2a90d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c @@ -29,6 +29,7 @@ #include "soc15d.h" #include "amdgpu_pm.h" #include "amdgpu_psp.h" +#include "mmsch_v2_0.h" #include "vcn/vcn_2_0_0_offset.h" #include "vcn/vcn_2_0_0_sh_mask.h" @@ -54,7 +55,7 @@ static int vcn_v2_0_set_powergating_state(void *handle, enum amd_powergating_state state); static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx, struct dpg_pause_state *new_state); - +static int vcn_v2_0_start_sriov(struct amdgpu_device *adev); /** * vcn_v2_0_early_init - set function pointers * @@ -67,7 +68,10 @@ static int vcn_v2_0_early_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; adev->vcn.num_vcn_inst = 1; - adev->vcn.num_enc_rings = 2; + if (amdgpu_sriov_vf(adev)) + adev->vcn.num_enc_rings = 1; + else + adev->vcn.num_enc_rings = 2; vcn_v2_0_set_dec_ring_funcs(adev); vcn_v2_0_set_enc_ring_funcs(adev); @@ -154,7 +158,10 @@ static int vcn_v2_0_sw_init(void *handle) for (i = 0; i < adev->vcn.num_enc_rings; ++i) { ring = &adev->vcn.inst->ring_enc[i]; ring->use_doorbell = true; - ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i; + if (!amdgpu_sriov_vf(adev)) + ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i; + else + ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i; sprintf(ring->name, "vcn_enc%d", i); r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0); if (r) @@ -163,6 +170,10 @@ static int vcn_v2_0_sw_init(void *handle) adev->vcn.pause_dpg_mode = vcn_v2_0_pause_dpg_mode; + r = amdgpu_virt_alloc_mm_table(adev); + if (r) + return r; + return 0; } @@ -178,6 +189,8 @@ static int vcn_v2_0_sw_fini(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + amdgpu_virt_free_mm_table(adev); + r = amdgpu_vcn_suspend(adev); if (r) return r; @@ -203,6 +216,9 @@ static int vcn_v2_0_hw_init(void *handle) adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, ring->doorbell_index, 0); + if (amdgpu_sriov_vf(adev)) + vcn_v2_0_start_sriov(adev); + r = amdgpu_ring_test_helper(ring); if (r) goto done; @@ -1680,6 +1696,215 @@ static int vcn_v2_0_set_powergating_state(void *handle, return ret; } +static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev, + struct amdgpu_mm_table *table) +{ + uint32_t data = 0, loop; + uint64_t addr = table->gpu_addr; + struct mmsch_v2_0_init_header *header; + uint32_t size; + int i; + + header = (struct mmsch_v2_0_init_header *)table->cpu_addr; + size = header->header_size + header->vcn_table_size; + + /* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr + * of memory descriptor location + */ + WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr)); + WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr)); + + /* 2, update vmid of descriptor */ + data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID); + data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK; + /* use domain0 for MM scheduler */ + data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); + WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data); + + /* 3, notify mmsch about the size of this descriptor */ + WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size); + + /* 4, set resp to zero */ + WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0); + + adev->vcn.inst->ring_dec.wptr = 0; + adev->vcn.inst->ring_dec.wptr_old = 0; + vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec); + + for (i = 0; i < adev->vcn.num_enc_rings; ++i) { + adev->vcn.inst->ring_enc[i].wptr = 0; + adev->vcn.inst->ring_enc[i].wptr_old = 0; + vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]); + } + + /* 5, kick off the initialization and wait until + * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero + */ + WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001); + + data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP); + loop = 1000; + while ((data & 0x10000002) != 0x10000002) { + udelay(10); + data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP); + loop--; + if (!loop) + break; + } + + if (!loop) { + DRM_ERROR("failed to init MMSCH, " \ + "mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data); + return -EBUSY; + } + + return 0; +} + +static int vcn_v2_0_start_sriov(struct amdgpu_device *adev) +{ + int r; + uint32_t tmp; + struct amdgpu_ring *ring; + uint32_t offset, size; + uint32_t table_size = 0; + struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} }; + struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} }; + struct mmsch_v2_0_cmd_direct_polling direct_poll = { {0} }; + struct mmsch_v2_0_cmd_end end = { {0} }; + struct mmsch_v2_0_init_header *header; + uint32_t *init_table = adev->virt.mm_table.cpu_addr; + uint8_t i = 0; + + header = (struct mmsch_v2_0_init_header *)init_table; + direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE; + direct_rd_mod_wt.cmd_header.command_type = + MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE; + direct_poll.cmd_header.command_type = + MMSCH_COMMAND__DIRECT_REG_POLLING; + end.cmd_header.command_type = MMSCH_COMMAND__END; + + if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) { + header->version = MMSCH_VERSION; + header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2; + + header->vcn_table_offset = header->header_size; + + init_table += header->vcn_table_offset; + + size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); + + MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS), + 0xFFFFFFFF, 0x00000004); + + /* mc resume*/ + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + tmp = AMDGPU_UCODE_ID_VCN; + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), + adev->firmware.ucode[tmp].tmr_mc_addr_lo); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), + adev->firmware.ucode[tmp].tmr_mc_addr_hi); + offset = 0; + } else { + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst->gpu_addr)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst->gpu_addr)); + offset = size; + } + + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0), + 0); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0), + size); + + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst->gpu_addr + offset)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst->gpu_addr + offset)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1), + 0); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1), + AMDGPU_VCN_STACK_SIZE); + + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst->gpu_addr + offset + + AMDGPU_VCN_STACK_SIZE)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst->gpu_addr + offset + + AMDGPU_VCN_STACK_SIZE)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2), + 0); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2), + AMDGPU_VCN_CONTEXT_SIZE); + + for (r = 0; r < adev->vcn.num_enc_rings; ++r) { + ring = &adev->vcn.inst->ring_enc[r]; + ring->wptr = 0; + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO), + lower_32_bits(ring->gpu_addr)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI), + upper_32_bits(ring->gpu_addr)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE), + ring->ring_size / 4); + } + + ring = &adev->vcn.inst->ring_dec; + ring->wptr = 0; + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_RBC_RB_64BIT_BAR_LOW), + lower_32_bits(ring->gpu_addr)); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, + mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH), + upper_32_bits(ring->gpu_addr)); + /* force RBC into idle state */ + tmp = order_base_2(ring->ring_size); + tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); + MMSCH_V2_0_INSERT_DIRECT_WT( + SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp); + + /* add end packet */ + tmp = sizeof(struct mmsch_v2_0_cmd_end); + memcpy((void *)init_table, &end, tmp); + table_size += (tmp / 4); + header->vcn_table_size = table_size; + + } + return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table); +} + static const struct amd_ip_funcs vcn_v2_0_ip_funcs = { .name = "vcn_v2_0", .early_init = vcn_v2_0_early_init, |