diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 224 |
1 files changed, 212 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 7fe564275457..18be544d8c1e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -161,10 +161,12 @@ static int psp_sw_init(void *handle) struct psp_context *psp = &adev->psp; int ret; - ret = psp_init_microcode(psp); - if (ret) { - DRM_ERROR("Failed to load psp firmware!\n"); - return ret; + if (!amdgpu_sriov_vf(adev)) { + ret = psp_init_microcode(psp); + if (ret) { + DRM_ERROR("Failed to load psp firmware!\n"); + return ret; + } } ret = psp_memory_training_init(psp); @@ -178,7 +180,7 @@ static int psp_sw_init(void *handle) return ret; } - if (adev->asic_type == CHIP_NAVI10) { + if (adev->asic_type == CHIP_NAVI10 || adev->asic_type == CHIP_SIENNA_CICHLID) { ret= psp_sysfs_init(adev); if (ret) { return ret; @@ -219,6 +221,9 @@ int psp_wait_for(struct psp_context *psp, uint32_t reg_index, int i; struct amdgpu_device *adev = psp->adev; + if (psp->adev->in_pci_err_recovery) + return 0; + for (i = 0; i < adev->usec_timeout; i++) { val = RREG32(reg_index); if (check_changed) { @@ -245,6 +250,9 @@ psp_cmd_submit_buf(struct psp_context *psp, bool ras_intr = false; bool skip_unsupport = false; + if (psp->adev->in_pci_err_recovery) + return 0; + mutex_lock(&psp->mutex); memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE); @@ -522,8 +530,7 @@ static int psp_asd_load(struct psp_context *psp) * add workaround to bypass it for sriov now. * TODO: add version check to make it common */ - if (amdgpu_sriov_vf(psp->adev) || - (psp->adev->asic_type == CHIP_NAVY_FLOUNDER)) + if (amdgpu_sriov_vf(psp->adev) || !psp->asd_fw) return 0; cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); @@ -930,6 +937,7 @@ static int psp_ras_load(struct psp_context *psp) { int ret; struct psp_gfx_cmd_resp *cmd; + struct ta_ras_shared_memory *ras_cmd; /* * TODO: bypass the loading in sriov for now @@ -953,11 +961,20 @@ static int psp_ras_load(struct psp_context *psp) ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + ras_cmd = (struct ta_ras_shared_memory*)psp->ras.ras_shared_buf; + if (!ret) { - psp->ras.ras_initialized = true; psp->ras.session_id = cmd->resp.session_id; + + if (!ras_cmd->ras_status) + psp->ras.ras_initialized = true; + else + dev_warn(psp->adev->dev, "RAS Init Status: 0x%X\n", ras_cmd->ras_status); } + if (ret || ras_cmd->ras_status) + amdgpu_ras_fini(psp->adev); + kfree(cmd); return ret; @@ -1430,6 +1447,168 @@ static int psp_dtm_terminate(struct psp_context *psp) } // DTM end +// RAP start +static int psp_rap_init_shared_buf(struct psp_context *psp) +{ + int ret; + + /* + * Allocate 16k memory aligned to 4k from Frame Buffer (local + * physical) for rap ta <-> Driver + */ + ret = amdgpu_bo_create_kernel(psp->adev, PSP_RAP_SHARED_MEM_SIZE, + PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, + &psp->rap_context.rap_shared_bo, + &psp->rap_context.rap_shared_mc_addr, + &psp->rap_context.rap_shared_buf); + + return ret; +} + +static int psp_rap_load(struct psp_context *psp) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + memset(psp->fw_pri_buf, 0, PSP_1_MEG); + memcpy(psp->fw_pri_buf, psp->ta_rap_start_addr, psp->ta_rap_ucode_size); + + psp_prep_ta_load_cmd_buf(cmd, + psp->fw_pri_mc_addr, + psp->ta_rap_ucode_size, + psp->rap_context.rap_shared_mc_addr, + PSP_RAP_SHARED_MEM_SIZE); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + + if (!ret) { + psp->rap_context.rap_initialized = true; + psp->rap_context.session_id = cmd->resp.session_id; + mutex_init(&psp->rap_context.mutex); + } + + kfree(cmd); + + return ret; +} + +static int psp_rap_unload(struct psp_context *psp) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + psp_prep_ta_unload_cmd_buf(cmd, psp->rap_context.session_id); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + + kfree(cmd); + + return ret; +} + +static int psp_rap_initialize(struct psp_context *psp) +{ + int ret; + + /* + * TODO: bypass the initialize in sriov for now + */ + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + if (!psp->adev->psp.ta_rap_ucode_size || + !psp->adev->psp.ta_rap_start_addr) { + dev_info(psp->adev->dev, "RAP: optional rap ta ucode is not available\n"); + return 0; + } + + if (!psp->rap_context.rap_initialized) { + ret = psp_rap_init_shared_buf(psp); + if (ret) + return ret; + } + + ret = psp_rap_load(psp); + if (ret) + return ret; + + ret = psp_rap_invoke(psp, TA_CMD_RAP__INITIALIZE); + if (ret != TA_RAP_STATUS__SUCCESS) { + psp_rap_unload(psp); + + amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo, + &psp->rap_context.rap_shared_mc_addr, + &psp->rap_context.rap_shared_buf); + + psp->rap_context.rap_initialized = false; + + dev_warn(psp->adev->dev, "RAP TA initialize fail.\n"); + return -EINVAL; + } + + return 0; +} + +static int psp_rap_terminate(struct psp_context *psp) +{ + int ret; + + if (!psp->rap_context.rap_initialized) + return 0; + + ret = psp_rap_unload(psp); + + psp->rap_context.rap_initialized = false; + + /* free rap shared memory */ + amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo, + &psp->rap_context.rap_shared_mc_addr, + &psp->rap_context.rap_shared_buf); + + return ret; +} + +int psp_rap_invoke(struct psp_context *psp, uint32_t ta_cmd_id) +{ + struct ta_rap_shared_memory *rap_cmd; + int ret; + + if (!psp->rap_context.rap_initialized) + return -EINVAL; + + if (ta_cmd_id != TA_CMD_RAP__INITIALIZE && + ta_cmd_id != TA_CMD_RAP__VALIDATE_L0) + return -EINVAL; + + mutex_lock(&psp->rap_context.mutex); + + rap_cmd = (struct ta_rap_shared_memory *) + psp->rap_context.rap_shared_buf; + memset(rap_cmd, 0, sizeof(struct ta_rap_shared_memory)); + + rap_cmd->cmd_id = ta_cmd_id; + rap_cmd->validation_method_id = METHOD_A; + + ret = psp_ta_invoke(psp, rap_cmd->cmd_id, psp->rap_context.session_id); + if (ret) { + mutex_unlock(&psp->rap_context.mutex); + return ret; + } + + mutex_unlock(&psp->rap_context.mutex); + + return rap_cmd->rap_status; +} +// RAP end + static int psp_hw_start(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; @@ -1707,7 +1886,7 @@ static int psp_load_smu_fw(struct psp_context *psp) return 0; - if (adev->in_gpu_reset && ras && ras->supported) { + if (amdgpu_in_reset(adev) && ras && ras->supported) { ret = amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_UNLOAD); if (ret) { DRM_WARN("Failed to set MP1 state prepare for reload\n"); @@ -1822,7 +2001,7 @@ static int psp_load_fw(struct amdgpu_device *adev) int ret; struct psp_context *psp = &adev->psp; - if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) { + if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) { psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */ goto skip_memalloc; } @@ -1892,6 +2071,11 @@ skip_memalloc: if (ret) dev_err(psp->adev->dev, "DTM: Failed to initialize DTM\n"); + + ret = psp_rap_initialize(psp); + if (ret) + dev_err(psp->adev->dev, + "RAP: Failed to initialize RAP\n"); } return 0; @@ -1942,6 +2126,7 @@ static int psp_hw_fini(void *handle) if (psp->adev->psp.ta_fw) { psp_ras_terminate(psp); + psp_rap_terminate(psp); psp_dtm_terminate(psp); psp_hdcp_terminate(psp); } @@ -2000,6 +2185,11 @@ static int psp_suspend(void *handle) DRM_ERROR("Failed to terminate dtm ta\n"); return ret; } + ret = psp_rap_terminate(psp); + if (ret) { + DRM_ERROR("Failed to terminate rap ta\n"); + return ret; + } } ret = psp_asd_unload(psp); @@ -2078,6 +2268,11 @@ static int psp_resume(void *handle) if (ret) dev_err(psp->adev->dev, "DTM: Failed to initialize DTM\n"); + + ret = psp_rap_initialize(psp); + if (ret) + dev_err(psp->adev->dev, + "RAP: Failed to initialize RAP\n"); } mutex_unlock(&adev->firmware.mutex); @@ -2343,6 +2538,11 @@ int parse_ta_bin_descriptor(struct psp_context *psp, psp->ta_dtm_ucode_size = le32_to_cpu(desc->size_bytes); psp->ta_dtm_start_addr = ucode_start_addr; break; + case TA_FW_TYPE_PSP_RAP: + psp->ta_rap_ucode_version = le32_to_cpu(desc->fw_version); + psp->ta_rap_ucode_size = le32_to_cpu(desc->size_bytes); + psp->ta_rap_start_addr = ucode_start_addr; + break; default: dev_warn(psp->adev->dev, "Unsupported TA type: %d\n", desc->fw_type); break; @@ -2421,7 +2621,7 @@ static ssize_t psp_usbc_pd_fw_sysfs_read(struct device *dev, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; + struct amdgpu_device *adev = drm_to_adev(ddev); uint32_t fw_ver; int ret; @@ -2448,7 +2648,7 @@ static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev, size_t count) { struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; + struct amdgpu_device *adev = drm_to_adev(ddev); void *cpu_addr; dma_addr_t dma_addr; int ret; |