diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 1a52522f5da7..8746a9ce6a8f 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1177,6 +1177,9 @@ int tegra_dc_state_setup_clock(struct tegra_dc *dc, { struct tegra_dc_state *state = to_dc_state(crtc_state); + if (!clk_has_parent(dc->clk, clk)) + return -EINVAL; + state->clk = clk; state->pclk = pclk; state->div = div; |