Merge branch 'master' of fossencdi.org:kernel_samsung_smdk4412

1 files changed, 51 insertions, 0 deletions

diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_kernel_vsync.c b/drivers/gpu/mali400/r3p2/mali/common/mali_kernel_vsync.c
new file mode 100644
index 0000000..a1fdf00
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/common/mali_kernel_vsync.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011-2012 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.
+ */
+
+#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;
+}
+