Commit b84d9ab0 authored Sep 10, 2018 by Michal Wajdeczko Committed by Chris Wilson Sep 10, 2018

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: Michal 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: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180910104150.101752-1-michal.wajdeczko@intel.com

parent 5f521722

drivers/gpu/drm/i915/intel_uc.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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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