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Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_pm_demand.c')
-rwxr-xr-xdrivers/gpu/arm/midgard/mali_kbase_pm_demand.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c b/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c
new file mode 100755
index 00000000000..fd94294433f
--- /dev/null
+++ b/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c
@@ -0,0 +1,70 @@
+/*
+ *
+ * (C) COPYRIGHT 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.
+ *
+ */
+
+
+
+
+
+/**
+ * @file mali_kbase_pm_demand.c
+ * A simple demand based power management policy
+ */
+
+#include <mali_kbase.h>
+#include <mali_kbase_pm.h>
+
+static u64 demand_get_core_mask(struct kbase_device *kbdev)
+{
+ u64 desired = kbdev->shader_needed_bitmap | kbdev->shader_inuse_bitmap;
+
+ if (0 == kbdev->pm.active_count)
+ return 0;
+
+ return desired;
+}
+
+static mali_bool demand_get_core_active (struct kbase_device *kbdev)
+{
+ if (0 == kbdev->pm.active_count)
+ return MALI_FALSE;
+
+ return MALI_TRUE;
+}
+
+static void demand_init(struct kbase_device *kbdev)
+{
+ CSTD_UNUSED(kbdev);
+}
+
+static void demand_term(struct kbase_device *kbdev)
+{
+ CSTD_UNUSED(kbdev);
+}
+
+/** The @ref 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 kbase_pm_policy kbase_pm_demand_policy_ops = {
+ "demand", /* name */
+ demand_init, /* init */
+ demand_term, /* term */
+ demand_get_core_mask, /* get_core_mask */
+ demand_get_core_active, /* get_core_active */
+ 0u, /* flags */
+ KBASE_PM_POLICY_ID_DEMAND, /* id */
+};
+
+KBASE_EXPORT_TEST_API(kbase_pm_demand_policy_ops)