diff options
author | Thierry Reding <treding@nvidia.com> | 2015-01-28 14:43:05 +0100 |
---|---|---|
committer | Thierry Reding <treding@nvidia.com> | 2015-04-02 18:46:21 +0200 |
commit | 42e9ce0523699b3f3383b7c5c0bcc2657a77d0ca (patch) | |
tree | 6b12a0c8d1152a7ee3e7b670e9236b311a08a8f6 /drivers/gpu/drm/tegra/drm.h | |
parent | b4a20144e0c0a45431695fa5968ce2ed8c9ce6ca (diff) |
drm/tegra: dc: Implement hardware VBLANK counter
The display controller on Tegra can use syncpoints to count VBLANK
events. syncpoints are 32-bit unsigned integers, so well suited as
VBLANK counters.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.h')
-rw-r--r-- | drivers/gpu/drm/tegra/drm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index 8cb2dfeaa957..ded04e3473e9 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -106,6 +106,7 @@ struct tegra_output; struct tegra_dc { struct host1x_client client; + struct host1x_syncpt *syncpt; struct device *dev; spinlock_t lock; @@ -180,6 +181,7 @@ struct tegra_dc_window { }; /* from dc.c */ +u32 tegra_dc_get_vblank_counter(struct tegra_dc *dc); void tegra_dc_enable_vblank(struct tegra_dc *dc); void tegra_dc_disable_vblank(struct tegra_dc *dc); void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file); |