diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index d0989a85e59c9a43b65b804a71b3af0db43d7cfc..b5e38137ef4d6a95c9cdddaaae331d774007d122 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6067,6 +6067,13 @@ static int intel_modeset_checks(struct intel_atomic_state *state) return 0; } +static bool lrr_params_changed(const struct drm_display_mode *old_adjusted_mode, + const struct drm_display_mode *new_adjusted_mode) +{ + return old_adjusted_mode->crtc_vblank_end != new_adjusted_mode->crtc_vblank_end || + old_adjusted_mode->crtc_vtotal != new_adjusted_mode->crtc_vtotal; +} + static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_state, struct intel_crtc_state *new_crtc_state) { @@ -6087,8 +6094,8 @@ static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_sta &new_crtc_state->dp_m_n)) new_crtc_state->update_m_n = false; - if ((old_crtc_state->hw.adjusted_mode.crtc_vtotal == new_crtc_state->hw.adjusted_mode.crtc_vtotal && - old_crtc_state->hw.adjusted_mode.crtc_vblank_end == new_crtc_state->hw.adjusted_mode.crtc_vblank_end)) + if (!lrr_params_changed(&old_crtc_state->hw.adjusted_mode, + &new_crtc_state->hw.adjusted_mode)) new_crtc_state->update_lrr = false; if (intel_crtc_needs_modeset(new_crtc_state))