diff options
Diffstat (limited to 'drivers/gpu/host1x/syncpt.h')
| -rw-r--r-- | drivers/gpu/host1x/syncpt.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/syncpt.h b/drivers/gpu/host1x/syncpt.h index 17c1616de100..c99806130f2e 100644 --- a/drivers/gpu/host1x/syncpt.h +++ b/drivers/gpu/host1x/syncpt.h @@ -27,6 +27,9 @@ struct host1x; +/* Reserved for replacing an expired wait with a NOP */ +#define HOST1X_SYNCPT_RESERVED 0 + struct host1x_syncpt { int id; atomic_t min_val; @@ -146,6 +149,9 @@ static inline int host1x_syncpt_is_valid(struct host1x_syncpt *sp) return sp->id < host1x_syncpt_nb_pts(sp->host); } +/* Patch a wait by replacing it with a wait for syncpt 0 value 0 */ +int host1x_syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr); + /* Return id of the sync point */ u32 host1x_syncpt_id(struct host1x_syncpt *sp); |