diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_huc.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index d6097b46600c..1e8073ec343f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -200,9 +200,13 @@ fail: * This function reads status register to verify if HuC * firmware was successfully loaded. * - * Returns: 1 if HuC firmware is loaded and verified, - * 0 if HuC firmware is not loaded and -ENODEV if HuC - * is not present on this platform. + * Returns: + * * -ENODEV if HuC is not present on this platform, + * * -EOPNOTSUPP if HuC firmware is disabled, + * * -ENOPKG if HuC firmware was not installed, + * * -ENOEXEC if HuC firmware is invalid or mismatched, + * * 0 if HuC firmware is not running, + * * 1 if HuC firmware is authenticated and running. */ int intel_huc_check_status(struct intel_huc *huc) { @@ -210,8 +214,18 @@ int intel_huc_check_status(struct intel_huc *huc) intel_wakeref_t wakeref; u32 status = 0; - if (!intel_huc_is_supported(huc)) + switch (__intel_uc_fw_status(&huc->fw)) { + case INTEL_UC_FIRMWARE_NOT_SUPPORTED: return -ENODEV; + case INTEL_UC_FIRMWARE_DISABLED: + return -EOPNOTSUPP; + case INTEL_UC_FIRMWARE_MISSING: + return -ENOPKG; + case INTEL_UC_FIRMWARE_ERROR: + return -ENOEXEC; + default: + break; + } with_intel_runtime_pm(gt->uncore->rpm, wakeref) status = intel_uncore_read(gt->uncore, huc->status.reg); |