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| author | Arto Merilainen <amerilainen@nvidia.com> | 2013-10-14 16:21:53 +0400 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2013-10-31 12:55:48 +0400 |
| commit | f5a954fed9b3eb04973ede72c50c66157fa9e15b (patch) | |
| tree | d9d6faeb5b2bafbc5a4143feb10e27d975ec1da4 /drivers/gpu/host1x/syncpt.h | |
| parent | 8736fe81532182ba0086a371fae0708ea42a2cdf (diff) | |
| download | linux-f5a954fed9b3eb04973ede72c50c66157fa9e15b.tar.xz | |
gpu: host1x: Add syncpoint base support
This patch adds support for hardware syncpoint bases. This creates
a simple mechanism to stall the command FIFO until an operation is
completed.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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 4eb933a497fd..9056465ecd3f 100644 --- a/drivers/gpu/host1x/syncpt.h +++ b/drivers/gpu/host1x/syncpt.h @@ -31,6 +31,11 @@ struct host1x; /* Reserved for replacing an expired wait with a NOP */ #define HOST1X_SYNCPT_RESERVED 0 +struct host1x_syncpt_base { + unsigned int id; + bool requested; +}; + struct host1x_syncpt { int id; atomic_t min_val; @@ -40,6 +45,7 @@ struct host1x_syncpt { bool client_managed; struct host1x *host; struct device *dev; + struct host1x_syncpt_base *base; /* interrupt data */ struct host1x_syncpt_intr intr; |