import PULS_20160108

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / misc / mediatek / gpu / mt8127 / mali / mali / common / mali_kernel_vsync.c

diff --git a/drivers/misc/mediatek/gpu/mt8127/mali/mali/common/mali_kernel_vsync.c b/drivers/misc/mediatek/gpu/mt8127/mali/mali/common/mali_kernel_vsync.c
new file mode 100644 (file)
index 0000000..e7dc3dd
--- /dev/null
+++ b/drivers/misc/mediatek/gpu/mt8127/mali/mali/common/mali_kernel_vsync.c
@@ -0,0 +1,49 @@
+/*
+ * This confidential and proprietary software may be used only as
+ * authorised by a licensing agreement from ARM Limited
+ * (C) COPYRIGHT 2011-2013 ARM Limited
+ * ALL RIGHTS RESERVED
+ * The entire notice above must be reproduced on all authorised
+ * copies and copies may only be made to the extent permitted
+ * by a licensing agreement from ARM Limited.
+ */
+
+#include "mali_kernel_common.h"
+#include "mali_osk.h"
+#include "mali_ukk.h"
+
+#if defined(CONFIG_MALI400_PROFILING)
+#include "mali_osk_profiling.h"
+#endif
+
+_mali_osk_errcode_t _mali_ukk_vsync_event_report(_mali_uk_vsync_event_report_s *args)
+{
+       _mali_uk_vsync_event event = (_mali_uk_vsync_event)args->event;
+       MALI_IGNORE(event); /* event is not used for release code, and that is OK */
+
+#if defined(CONFIG_MALI400_PROFILING)
+       /*
+        * Manually generate user space events in kernel space.
+        * This saves user space from calling kernel space twice in this case.
+        * We just need to remember to add pid and tid manually.
+        */
+       if ( event==_MALI_UK_VSYNC_EVENT_BEGIN_WAIT) {
+               _mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SUSPEND |
+                                             MALI_PROFILING_EVENT_CHANNEL_SOFTWARE |
+                                             MALI_PROFILING_EVENT_REASON_SUSPEND_RESUME_SW_VSYNC,
+                                             _mali_osk_get_pid(), _mali_osk_get_tid(), 0, 0, 0);
+       }
+
+       if (event==_MALI_UK_VSYNC_EVENT_END_WAIT) {
+
+               _mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_RESUME |
+                                             MALI_PROFILING_EVENT_CHANNEL_SOFTWARE |
+                                             MALI_PROFILING_EVENT_REASON_SUSPEND_RESUME_SW_VSYNC,
+                                             _mali_osk_get_pid(), _mali_osk_get_tid(), 0, 0, 0);
+       }
+#endif
+
+       MALI_DEBUG_PRINT(4, ("Received VSYNC event: %d\n", event));
+       MALI_SUCCESS;
+}
+