diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2013-03-22 18:34:03 +0400 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-04-22 14:32:43 +0400 |
| commit | 6579324a41cc414009a601738b70a53d6376325c (patch) | |
| tree | 61b3491351217d07ff75851c6d989bf02b213383 /drivers/gpu/host1x/syncpt.h | |
| parent | 7ede0b0bf3e2595d40d6195b6fe4c4dcef438830 (diff) | |
| download | linux-6579324a41cc414009a601738b70a53d6376325c.tar.xz | |
gpu: host1x: Add channel support
Add support for host1x client modules, and host1x channels to submit
work to the clients.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
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); |