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Commit f5d3c3ea authored by Alex Dai's avatar Alex Dai Committed by Daniel Vetter
Browse files

drm/i915: Notify GuC rc6 state 



If rc6 is enabled, notify GuC so it can do proper forcewake before
command submission.

Signed-off-by: default avatarAlex Dai <yu.dai@intel.com>
Reviewed-by: default avatarTom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent aa557ab0

drivers/gpu/drm/i915/i915_guc_submission.c

+15 −0
Original line number Diff line number Diff line
@@ -151,6 +151,18 @@ static int host2guc_release_doorbell(struct intel_guc *guc, 
	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 @@ int i915_guc_submission_enable(struct drm_device *dev) 
	}



	guc->execbuf_client = client;



	host2guc_sample_forcewake(guc, client);



	return 0;

}