diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uc.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 9f1bac6398fb..e5bf0d37bf43 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -361,7 +361,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv) goto err_out; if (USES_HUC(dev_priv)) { - ret = intel_huc_init_hw(huc); + ret = intel_huc_fw_upload(huc); if (ret) goto err_out; } @@ -445,3 +445,48 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv) if (USES_GUC_SUBMISSION(dev_priv)) gen9_disable_guc_interrupts(dev_priv); } + +int intel_uc_suspend(struct drm_i915_private *i915) +{ + struct intel_guc *guc = &i915->guc; + int err; + + if (!USES_GUC(i915)) + return 0; + + if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) + return 0; + + err = intel_guc_suspend(guc); + if (err) { + DRM_DEBUG_DRIVER("Failed to suspend GuC, err=%d", err); + return err; + } + + gen9_disable_guc_interrupts(i915); + + return 0; +} + +int intel_uc_resume(struct drm_i915_private *i915) +{ + struct intel_guc *guc = &i915->guc; + int err; + + if (!USES_GUC(i915)) + return 0; + + if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) + return 0; + + if (i915_modparams.guc_log_level) + gen9_enable_guc_interrupts(i915); + + err = intel_guc_resume(guc); + if (err) { + DRM_DEBUG_DRIVER("Failed to resume GuC, err=%d", err); + return err; + } + + return 0; +} |