Commit b84d9ab0 authored by Michal Wajdeczko's avatar Michal Wajdeczko Committed by Chris Wilson

drm/i915/guc: Update GuC power domain states

We should update GuC power domain states also when GuC submission
is disabled, otherwise GuC might complain or ignore our requests.
This seems to be required for all currently released GuC firmwares.

v2: it is only needed by pre-Gen11 firmwares
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Spotswood <john.a.spotswood@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: default avatarAnusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180910104150.101752-1-michal.wajdeczko@intel.com
parent 5f521722
......@@ -401,6 +401,10 @@ int intel_uc_init_hw(struct drm_i915_private *i915)
ret = intel_guc_submission_enable(guc);
if (ret)
goto err_communication;
} else if (INTEL_GEN(i915) < 11) {
ret = intel_guc_sample_forcewake(guc);
if (ret)
goto err_communication;
}
dev_info(i915->drm.dev, "GuC firmware version %u.%u\n",
......
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