diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_panel.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index 03398feb6676..d1d1b59102d6 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -75,13 +75,17 @@ const struct drm_display_mode * intel_panel_downclock_mode(struct intel_connector *connector, const struct drm_display_mode *adjusted_mode) { + struct drm_i915_private *i915 = to_i915(connector->base.dev); const struct drm_display_mode *fixed_mode, *best_mode = NULL; - int vrefresh = drm_mode_vrefresh(adjusted_mode); + int min_vrefresh = i915->vbt.seamless_drrs_min_refresh_rate; + int max_vrefresh = drm_mode_vrefresh(adjusted_mode); /* pick the fixed_mode with the lowest refresh rate */ list_for_each_entry(fixed_mode, &connector->panel.fixed_modes, head) { - if (drm_mode_vrefresh(fixed_mode) < vrefresh) { - vrefresh = drm_mode_vrefresh(fixed_mode); + int vrefresh = drm_mode_vrefresh(fixed_mode); + + if (vrefresh >= min_vrefresh && vrefresh < max_vrefresh) { + max_vrefresh = vrefresh; best_mode = fixed_mode; } } |