diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 22ed72c7d6bf..d3c41bf49263 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -5557,7 +5557,9 @@ static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_sta else new_crtc_state->uapi.mode_changed = false; - if (intel_crtc_needs_modeset(new_crtc_state)) + if (intel_crtc_needs_modeset(new_crtc_state) || + intel_compare_link_m_n(&old_crtc_state->dp_m_n, + &new_crtc_state->dp_m_n)) new_crtc_state->update_m_n = false; if (!intel_crtc_needs_modeset(new_crtc_state)) |