Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
#ifndef __NVIF_TIMER_H__
|
|
#define __NVIF_TIMER_H__
|
|
#include <nvif/os.h>
|
|
|
|
struct nvif_timer_wait {
|
|
struct nvif_device *device;
|
|
u64 limit;
|
|
u64 time0;
|
|
u64 time1;
|
|
int reads;
|
|
};
|
|
|
|
void nvif_timer_wait_init(struct nvif_device *, u64 nsec,
|
|
struct nvif_timer_wait *);
|
|
s64 nvif_timer_wait_test(struct nvif_timer_wait *);
|
|
|
|
/* Delay based on GPU time (ie. PTIMER).
|
|
*
|
|
* Will return -ETIMEDOUT unless the loop was terminated with 'break',
|
|
* where it will return the number of nanoseconds taken instead.
|
|
*/
|
|
#define nvif_nsec(d,n,cond...) ({ \
|
|
struct nvif_timer_wait _wait; \
|
|
s64 _taken = 0; \
|
|
\
|
|
nvif_timer_wait_init((d), (n), &_wait); \
|
|
do { \
|
|
cond \
|
|
} while ((_taken = nvif_timer_wait_test(&_wait)) >= 0); \
|
|
\
|
|
_taken; \
|
|
})
|
|
#define nvif_usec(d,u,cond...) nvif_nsec((d), (u) * 1000, ##cond)
|
|
#define nvif_msec(d,m,cond...) nvif_usec((d), (m) * 1000, ##cond)
|
|
#endif
|