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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2021-05-25 18:57:14 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-11 23:05:46 +0300 |
| commit | c6642234919c1cc11d2097c0868085ee19912477 (patch) | |
| tree | 0cd6db65c8f2d3f809263b9ff9a208d02d1112a3 /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | |
| parent | 55188d64edd72a33bc8fd0e42703140ce8e80bb0 (diff) | |
| download | linux-c6642234919c1cc11d2097c0868085ee19912477.tar.xz | |
drm/amdgpu: add helper function to query gecc status in boot config
Query GECC enablement status in boot config
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index e55cb3e3ecc2..14cd22679660 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -551,6 +551,29 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp, return ret; } +static int psp_boot_config_get(struct amdgpu_device *adev, uint32_t *boot_cfg) +{ + struct psp_context *psp = &adev->psp; + struct psp_gfx_cmd_resp *cmd = psp->cmd; + int ret; + + if (amdgpu_sriov_vf(adev)) + return 0; + + memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp)); + + cmd->cmd_id = GFX_CMD_ID_BOOT_CFG; + cmd->cmd.boot_cfg.sub_cmd = BOOTCFG_CMD_GET; + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + if (!ret) { + *boot_cfg = + (cmd->resp.uresp.boot_cfg.boot_cfg & BOOT_CONFIG_GECC) ? 1 : 0; + } + + return ret; +} + static int psp_boot_config_set(struct amdgpu_device *adev, uint32_t boot_cfg) { struct psp_context *psp = &adev->psp; |