[Intel-gfx] drm/i915/slpc: Enable SLPC in guc if supported

[Sagar Arun Kamble]

From: Tom O'Rourke <Tom.O'Rourke at intel.com>

If slpc enabled, then add enable SLPC flag to guc
control parameter during guc load.

v2: Use intel_slpc_enabled() (Paulo)

v5: Rebase. (Sagar)

Signed-off-by: Tom O'Rourke <Tom.O'Rourke at intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
---
 drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 6765edf..2edd255 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -212,6 +212,9 @@ static void set_guc_init_params(struct drm_i915_private *dev_priv)
 	params[GUC_CTL_FEATURE] |= GUC_CTL_DISABLE_SCHEDULER |
 			GUC_CTL_VCS2_ENABLED;
 
+	if (intel_slpc_enabled())
+		params[GUC_CTL_FEATURE] |= GUC_CTL_ENABLE_SLPC;
+
 	if (i915.guc_log_level >= 0) {
 		params[GUC_CTL_LOG_PARAMS] = guc->log_flags;
 		params[GUC_CTL_DEBUG] =
-- 
1.9.1