From e2404dfeecd4204174410e8e2b0e93ed54b2f63a Mon Sep 17 00:00:00 2001 From: Robert Morell Date: Mon, 21 Mar 2011 14:42:51 -0700 Subject: 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 Reviewed-on: http://git-master/r/40529 Reviewed-by: Varun Colbert Tested-by: Varun Colbert Rebase-Id: Rac929d8ba6b14e469fef4c2753b040e02fae0b8e --- drivers/video/tegra/dc/dc_priv.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/video/tegra/dc/dc_priv.h') 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; -- cgit v1.2.3