[PATCH v5 18/23] drm/i915/slpc: Only Enable GTPERF Task, Disable other tasks/parameters

[Sagar Arun Kamble]

v1: Updated tasks and frequency post reset.
    Added DFPS param update for MAX_FPS and FPS Stall.

v2-v3: Rebase.

v4: Updated with GuC firmware v9.

v5: Rebase.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
---
 drivers/gpu/drm/i915/intel_slpc.c | 41 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_slpc.c b/drivers/gpu/drm/i915/intel_slpc.c
index e56f247..fc9f05a 100644
--- a/drivers/gpu/drm/i915/intel_slpc.c
+++ b/drivers/gpu/drm/i915/intel_slpc.c
@@ -371,8 +371,49 @@ void intel_slpc_disable(struct drm_i915_private *dev_priv)
 
 void intel_slpc_enable(struct drm_i915_private *dev_priv)
 {
+	u64 val;
+
 	host2guc_slpc_reset(dev_priv);
 
 	DRM_INFO("SLPC Activated\n");
 	dev_priv->guc.slpc.active = true;
+
+	/* Enable only GTPERF task, Disable others */
+	val = SLPC_PARAM_TASK_ENABLED;
+	slpc_enable_disable_set(&dev_priv->drm, val,
+				SLPC_PARAM_TASK_ENABLE_GTPERF,
+				SLPC_PARAM_TASK_DISABLE_GTPERF);
+
+	val = SLPC_PARAM_TASK_DISABLED;
+	slpc_enable_disable_set(&dev_priv->drm, val,
+				SLPC_PARAM_TASK_ENABLE_BALANCER,
+				SLPC_PARAM_TASK_DISABLE_BALANCER);
+
+	slpc_enable_disable_set(&dev_priv->drm, val,
+				SLPC_PARAM_TASK_ENABLE_DCC,
+				SLPC_PARAM_TASK_DISABLE_DCC);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GLOBAL_ENABLE_IA_GT_BALANCING,
+			     0);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GTPERF_THRESHOLD_MAX_FPS,
+			     0);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GTPERF_ENABLE_FRAMERATE_STALLING,
+			     0);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GLOBAL_ENABLE_ADAPTIVE_BURST_TURBO,
+			     0);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GLOBAL_ENABLE_EVAL_MODE,
+			     0);
+
+	intel_slpc_set_param(dev_priv,
+			     SLPC_PARAM_GLOBAL_ENABLE_BALANCER_IN_NON_GAMING_MODE,
+			     0);
 }
-- 
1.9.1