[PATCH 1/3] drm/i915/guc: Update GuC power domain states
Michal Wajdeczko
michal.wajdeczko at intel.com
Tue Aug 28 18:26:20 UTC 2018
We should update GuC power domain states also when GuC submission
is disabled, otherwise GuC might complain or ignore our requests.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
drivers/gpu/drm/i915/intel_uc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index a515201..b1a7ed9 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -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 {
+ ret = intel_guc_sample_forcewake(guc);
+ if (ret)
+ goto err_communication;
}
dev_info(i915->drm.dev, "GuC firmware version %u.%u\n",
--
1.9.1
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