diff options
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 53885968bdaf..213b11ea69b5 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -903,6 +903,12 @@ EXPORT_SYMBOL(drm_mode_duplicate); */ bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2) { + if (!mode1 && !mode2) + return true; + + if (!mode1 || !mode2) + return false; + /* do clock check convert to PICOS so fb modes get matched * the same */ if (mode1->clock && mode2->clock) { |