diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 675b14a22f04..487961ed2600 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -290,6 +290,8 @@ psp_cmd_submit_buf(struct psp_context *psp, skip_unsupport = (psp->cmd_buf_mem->resp.status == TEE_ERROR_NOT_SUPPORTED || psp->cmd_buf_mem->resp.status == PSP_ERR_UNKNOWN_COMMAND) && amdgpu_sriov_vf(psp->adev); + memcpy((void*)&cmd->resp, (void*)&psp->cmd_buf_mem->resp, sizeof(struct psp_gfx_resp)); + /* In some cases, psp response status is not 0 even there is no * problem while the command is submitted. Some version of PSP FW * doesn't write 0 to that field. @@ -310,9 +312,6 @@ psp_cmd_submit_buf(struct psp_context *psp, } } - /* get xGMI session id from response buffer */ - cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id; - if (ucode) { ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo; ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi; @@ -511,6 +510,37 @@ static int psp_tmr_terminate(struct psp_context *psp) return 0; } +int psp_get_fw_attestation_records_addr(struct psp_context *psp, + uint64_t *output_ptr) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + if (!output_ptr) + return -EINVAL; + + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->cmd_id = GFX_CMD_ID_GET_FW_ATTESTATION; + + ret = psp_cmd_submit_buf(psp, NULL, cmd, + psp->fence_buf_mc_addr); + + if (!ret) { + *output_ptr = ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_lo) + + ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_hi << 32); + } + + kfree(cmd); + + return ret; +} + static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd, uint64_t asd_mc, uint32_t size) { |