diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 950505c94224..68d932d9f5c5 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2630,6 +2630,14 @@ static int intel_crtc_vblank_delay(const struct intel_crtc_state *crtc_state) if (intel_crtc_needs_wa_14015401596(crtc_state)) vblank_delay = max(vblank_delay, 1); + /* + * Add a minimal vblank delay to make sure the push + * doesn't race with the "wait for safe window" used + * for frame completion with DSB. + */ + if (intel_vrr_possible(crtc_state)) + vblank_delay = max(vblank_delay, 1); + return vblank_delay; } @@ -7727,6 +7735,8 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state, intel_crtc_planes_update_arm(new_crtc_state->dsb_commit, state, crtc); + intel_vrr_send_push(new_crtc_state->dsb_commit, new_crtc_state); + if (!new_crtc_state->dsb_color_vblank) { intel_dsb_wait_vblanks(new_crtc_state->dsb_commit, 1); intel_dsb_wait_vblank_delay(state, new_crtc_state->dsb_commit);