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authorArto Merilainen <amerilainen@nvidia.com>2013-10-14 15:21:53 +0300
committerThierry Reding <treding@nvidia.com>2013-10-31 09:55:48 +0100
commitf5a954fed9b3eb04973ede72c50c66157fa9e15b (patch)
treed9d6faeb5b2bafbc5a4143feb10e27d975ec1da4 /include/linux/host1x.h
parent8736fe81532182ba0086a371fae0708ea42a2cdf (diff)
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 'include/linux/host1x.h')
-rw-r--r--include/linux/host1x.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index eb713dbbae29..f5b9b87ac9a9 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -125,7 +125,9 @@ static inline void host1x_bo_kunmap(struct host1x_bo *bo,
*/
#define HOST1X_SYNCPT_CLIENT_MANAGED (1 << 0)
+#define HOST1X_SYNCPT_HAS_BASE (1 << 1)
+struct host1x_syncpt_base;
struct host1x_syncpt;
struct host1x;
@@ -140,6 +142,9 @@ struct host1x_syncpt *host1x_syncpt_request(struct device *dev,
unsigned long flags);
void host1x_syncpt_free(struct host1x_syncpt *sp);
+struct host1x_syncpt_base *host1x_syncpt_get_base(struct host1x_syncpt *sp);
+u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base);
+
/*
* host1x channel
*/