diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_tv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 5034b0055169..d21f75bda96e 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -897,6 +897,10 @@ intel_tv_mode_valid(struct drm_connector *connector, { struct intel_tv *intel_tv = intel_attached_tv(connector); const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv); + int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; + + if (mode->clock > max_dotclk) + return MODE_CLOCK_HIGH; /* Ensure TV refresh is close to desired refresh */ if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000) |