diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uc.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 901854007664..277477890240 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -328,6 +328,27 @@ static void guc_disable_communication(struct intel_guc *guc) guc->send = intel_guc_send_nop; } +/** + * intel_guc_auth_huc() - Send action to GuC to authenticate HuC ucode + * @guc: intel_guc structure + * @rsa_offset: rsa offset w.r.t ggtt base of huc vma + * + * Triggers a HuC firmware authentication request to the GuC via intel_guc_send + * INTEL_GUC_ACTION_AUTHENTICATE_HUC interface. This function is invoked by + * intel_huc_auth(). + * + * Return: non-zero code on error + */ +int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset) +{ + u32 action[] = { + INTEL_GUC_ACTION_AUTHENTICATE_HUC, + rsa_offset + }; + + return intel_guc_send(guc, action, ARRAY_SIZE(action)); +} + int intel_uc_init_hw(struct drm_i915_private *dev_priv) { struct intel_guc *guc = &dev_priv->guc; @@ -390,7 +411,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv) if (ret) goto err_log_capture; - intel_guc_auth_huc(dev_priv); + intel_huc_auth(&dev_priv->huc); if (i915_modparams.enable_guc_submission) { if (i915_modparams.guc_log_level >= 0) gen9_enable_guc_interrupts(dev_priv); |