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Diffstat (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h')
-rwxr-xr-xdriver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h
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+++ b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h
@@ -0,0 +1,52 @@
+/*
+ *
+ * (C) COPYRIGHT 2014-2015 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.
+ *
+ */
+
+
+
+#ifndef _KBASE_BACKEND_TIME_H_
+#define _KBASE_BACKEND_TIME_H_
+
+/**
+ * kbase_backend_get_gpu_time() - Get current GPU time
+ * @kbdev: Device pointer
+ * @cycle_counter: Pointer to u64 to store cycle counter in
+ * @system_time: Pointer to u64 to store system time in
+ * @ts: Pointer to struct timespec to store current monotonic
+ * time in
+ */
+void kbase_backend_get_gpu_time(struct kbase_device *kbdev, u64 *cycle_counter,
+ u64 *system_time, struct timespec *ts);
+
+/**
+ * kbase_wait_write_flush() - Wait for GPU write flush
+ * @kctx: Context pointer
+ *
+ * Wait 1000 GPU clock cycles. This delay is known to give the GPU time to flush
+ * its write buffer.
+ *
+ * If GPU resets occur then the counters are reset to zero, the delay may not be
+ * as expected.
+ *
+ * This function is only in use for BASE_HW_ISSUE_6367
+ */
+#ifdef CONFIG_MALI_NO_MALI
+static inline void kbase_wait_write_flush(struct kbase_context *kctx)
+{
+}
+#else
+void kbase_wait_write_flush(struct kbase_context *kctx);
+#endif
+
+#endif /* _KBASE_BACKEND_TIME_H_ */