drm/i915: Notify GuC rc6 state
If rc6 is enabled, notify GuC so it can do proper forcewake before
command submission.
Signed-off-by: Alex Dai <yu.dai@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index ec70393..792d0b9 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -151,6 +151,18 @@
return host2guc_action(guc, data, 2);
}
+static int host2guc_sample_forcewake(struct intel_guc *guc,
+ struct i915_guc_client *client)
+{
+ struct drm_i915_private *dev_priv = guc_to_i915(guc);
+ u32 data[2];
+
+ data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE;
+ data[1] = (intel_enable_rc6(dev_priv->dev)) ? 1 : 0;
+
+ return host2guc_action(guc, data, 2);
+}
+
/*
* Initialise, update, or clear doorbell data shared with the GuC
*
@@ -874,6 +886,9 @@
}
guc->execbuf_client = client;
+
+ host2guc_sample_forcewake(guc, client);
+
return 0;
}