diff options
Diffstat (limited to 'drivers/video/tegra/dc/dc.c')
| -rw-r--r-- | drivers/video/tegra/dc/dc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c index 57ca161f9765..b2cb5c404d90 100644 --- a/drivers/video/tegra/dc/dc.c +++ b/drivers/video/tegra/dc/dc.c @@ -352,6 +352,20 @@ out: return ret; } +unsigned int tegra_dc_has_multiple_dc(void) +{ + unsigned int idx; + unsigned int cnt = 0; + struct tegra_dc *dc; + + mutex_lock(&tegra_dc_lock); + for (idx = 0; idx < TEGRA_MAX_DC; idx++) + cnt += ((dc = tegra_dcs[idx]) != NULL && dc->enabled) ? 1 : 0; + mutex_unlock(&tegra_dc_lock); + + return (cnt > 1); +} + struct tegra_dc *tegra_dc_get_dc(unsigned idx) { if (idx < TEGRA_MAX_DC) |