mirrors
/
weston
mirror of https://gitlab.freedesktop.org/wayland/weston.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

compositor,shared: add millihz_to_nsec() 

A helper to improbe readability.

Cc: Daniel Stone <daniels@collabora.com>
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Pekka Paalanen 2015-07-03 15:08:53 +03:00
parent aa21f6249f
commit d7894d052a
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
shared/timespec-util.h
View File

@ -26,6 +26,9 @@
#ifndef TIMESPEC_UTIL_H
#define TIMESPEC_UTIL_H
#include <stdint.h>
#include <assert.h>
#define NSEC_PER_SEC 1000000000
/* Subtract timespecs
@ -57,5 +60,16 @@ timespec_to_nsec(const struct timespec *a)
return (int64_t)a->tv_sec * NSEC_PER_SEC + a->tv_nsec;
}
/* Convert milli-Hertz to nanoseconds
*
* \param mhz frequency in mHz, not zero
* \return period in nanoseconds
*/
static inline int64_t
millihz_to_nsec(uint32_t mhz)
{
assert(mhz > 0);
return 1000000000000LL / mhz;
}
#endif /* TIMESPEC_UTIL_H */

2
src/compositor.c
View File

@ -2349,7 +2349,7 @@ weston_output_finish_frame(struct weston_output *output,
TL_POINT("core_repaint_finished", TLP_OUTPUT(output),
TLP_VBLANK(stamp), TLP_END);
refresh_nsec = 1000000000000LL / output->current_mode->refresh;
refresh_nsec = millihz_to_nsec(output->current_mode->refresh);
weston_presentation_feedback_present_list(&output->feedback_list,
output, refresh_nsec, stamp,
output->msc,