1 files changed, 70 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_coarse_demand.c b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_coarse_demand.c
new file mode 100755
index 0000000..f891fa2
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_coarse_demand.c
@@ -0,0 +1,70 @@
+/*
+ *
+ * (C) COPYRIGHT 2012-2016 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained
+ * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ */
+
+
+
+
+
+/*
+ * "Coarse Demand" power management policy
+ */
+
+#include <mali_kbase.h>
+#include <mali_kbase_pm.h>
+
+static u64 coarse_demand_get_core_mask(struct kbase_device *kbdev)
+{
+	if (kbdev->pm.active_count == 0)
+		return 0;
+
+	return kbdev->gpu_props.props.raw_props.shader_present;
+}
+
+static bool coarse_demand_get_core_active(struct kbase_device *kbdev)
+{
+	if (0 == kbdev->pm.active_count && !(kbdev->shader_needed_bitmap |
+			kbdev->shader_inuse_bitmap) && !kbdev->tiler_needed_cnt
+			&& !kbdev->tiler_inuse_cnt)
+		return false;
+
+	return true;
+}
+
+static void coarse_demand_init(struct kbase_device *kbdev)
+{
+	CSTD_UNUSED(kbdev);
+}
+
+static void coarse_demand_term(struct kbase_device *kbdev)
+{
+	CSTD_UNUSED(kbdev);
+}
+
+/* The struct kbase_pm_policy structure for the demand power policy.
+ *
+ * This is the static structure that defines the demand power policy's callback
+ * and name.
+ */
+const struct kbase_pm_policy kbase_pm_coarse_demand_policy_ops = {
+	"coarse_demand",			/* name */
+	coarse_demand_init,			/* init */
+	coarse_demand_term,			/* term */
+	coarse_demand_get_core_mask,		/* get_core_mask */
+	coarse_demand_get_core_active,		/* get_core_active */
+	0u,					/* flags */
+	KBASE_PM_POLICY_ID_COARSE_DEMAND,	/* id */
+};
+
+KBASE_EXPORT_TEST_API(kbase_pm_coarse_demand_policy_ops);