A check on mode->clock to see if is greater than i915->max_dotclk_freq or greater than 2 * (i915_max_dotclk_freq) in case of big-joiner and return an -EINVAL in both the cases Signed-off-by: Nischal Varide <nischal.varide@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7400d6b4c587..813f4c369dda 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -995,6 +995,10 @@ intel_dp_mode_valid(struct drm_connector *_connector, bigjoiner = true; max_dotclk *= 2; } + + if (mode->clock > max_dotclk) + return -EINVAL; + if (target_clock > max_dotclk) return MODE_CLOCK_HIGH; -- 2.36.0
