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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
This commit is contained in:
Michal Wajdeczko 2018-09-10 10:41:49 +00:00 committed by Chris Wilson
parent 5f521722a2
commit b84d9ab0b7
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_uc.c
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@ -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",