diff options
Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/common/mali_kernel_vsync.c')
-rw-r--r-- | drivers/gpu/mali400/r3p2/mali/common/mali_kernel_vsync.c | 51 |
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; +} + |