diff options
Diffstat (limited to 'drivers/video/tegra/dc/dc.c')
| -rw-r--r-- | drivers/video/tegra/dc/dc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c index 4b3bacc7be60..3e5e0b386918 100644 --- a/drivers/video/tegra/dc/dc.c +++ b/drivers/video/tegra/dc/dc.c @@ -2376,6 +2376,21 @@ bool tegra_dc_stats_get(struct tegra_dc *dc) return true; } +/* make the screen blank by disabling all windows */ +void tegra_dc_blank(struct tegra_dc *dc) +{ + struct tegra_dc_win *dcwins[DC_N_WINDOWS]; + unsigned i; + + for (i = 0; i < DC_N_WINDOWS; i++) { + dcwins[i] = tegra_dc_get_window(dc, i); + dcwins[i]->flags &= ~TEGRA_WIN_FLAG_ENABLED; + } + + tegra_dc_update_windows(dcwins, DC_N_WINDOWS); + tegra_dc_sync_windows(dcwins, DC_N_WINDOWS); +} + static void _tegra_dc_disable(struct tegra_dc *dc) { _tegra_dc_controller_disable(dc); |