diff options
| author | Robert Morell <rmorell@nvidia.com> | 2011-03-21 14:42:51 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:48:13 -0800 |
| commit | e2404dfeecd4204174410e8e2b0e93ed54b2f63a (patch) | |
| tree | 3eb15ac3e29f9e9af60160fb92818a5c53944204 /drivers/video/tegra/dc/dc_priv.h | |
| parent | 1a5c2fb4c725261aeac4f29ec14537bedef4b11d (diff) | |
video: tegra: Expose vblank syncpoint
This change adds support for userspace to query the syncpoint that
display autoincrements every vblank. This can be useful for
applications to time buffer submissions to throttle rendering and
prevent excessive host stalls.
bug 818525
Original-Change-Id: I050e4dcd08609da802f10eeec5b70da181b21717
Signed-off-by: Robert Morell <rmorell@nvidia.com>
Reviewed-on: http://git-master/r/40529
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: Rac929d8ba6b14e469fef4c2753b040e02fae0b8e
Diffstat (limited to 'drivers/video/tegra/dc/dc_priv.h')
| -rw-r--r-- | drivers/video/tegra/dc/dc_priv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc_priv.h b/drivers/video/tegra/dc/dc_priv.h index b01967c639aa..d792f11d07b9 100644 --- a/drivers/video/tegra/dc/dc_priv.h +++ b/drivers/video/tegra/dc/dc_priv.h @@ -111,6 +111,7 @@ struct tegra_dc { u32 min; u32 max; } syncpt[DC_N_WINDOWS]; + u32 vblank_syncpt; unsigned long underflow_mask; struct work_struct reset_work; |