diff options
Diffstat (limited to 'src/radeon.h')
| -rw-r--r-- | src/radeon.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/radeon.h b/src/radeon.h index bf1444c9..8babf391 100644 --- a/src/radeon.h +++ b/src/radeon.h @@ -39,6 +39,8 @@ #include <stdlib.h> /* For abs() */ #include <unistd.h> /* For usleep() */ +#include <sys/time.h> /* For +#include <time.h> * gettimeofday() */ #include "xf86str.h" #include "compiler.h" @@ -159,6 +161,8 @@ typedef enum { #define RADEON_IDLE_RETRY 16 /* Fall out of idle loops after this count */ #define RADEON_TIMEOUT 2000000 /* Fall out of wait loops after this count */ +#define RADEON_VSYNC_TIMEOUT 20000 /* Maximum wait for VSYNC (in usecs) */ + /* Buffer are aligned on 4096 byte boundaries */ #define RADEON_BUFFER_ALIGN 0x00000fff #define RADEON_VBIOS_SIZE 0x00010000 @@ -1224,4 +1228,21 @@ static __inline__ void RADEON_SYNC(RADEONInfoPtr info, ScrnInfoPtr pScrn) #endif } +static __inline__ void radeon_init_timeout(struct timeval *endtime, + unsigned int timeout) +{ + gettimeofday(endtime, NULL); + endtime->tv_usec += timeout; + endtime->tv_sec += endtime->tv_usec / 1000000; + endtime->tv_usec %= 1000000; +} + +static __inline__ int radeon_timedout(const struct timeval *endtime) +{ + struct timeval now; + gettimeofday(&now, NULL); + return now.tv_sec == endtime->tv_sec ? + now.tv_usec > endtime->tv_usec : now.tv_sec > endtime->tv_sec; +} + #endif /* _RADEON_H_ */ |