diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 245cf3ee979fea6f3292914bba2da00a30605287..7031dfd50ae9689471b283f82bbfbaf27caf7e99 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -549,8 +549,6 @@ void intel_psr_enable(struct intel_dp *intel_dp, hsw_psr_enable_source(intel_dp, crtc_state); - if (INTEL_GEN(dev_priv) >= 9) - intel_psr_activate(intel_dp); } else { vlv_psr_setup_vsc(intel_dp, crtc_state); @@ -560,20 +558,25 @@ void intel_psr_enable(struct intel_dp *intel_dp, vlv_psr_enable_source(intel_dp, crtc_state); } - /* - * FIXME: Activation should happen immediately since this function - * is just called after pipe is fully trained and enabled. - * However on every platform we face issues when first activation - * follows a modeset so quickly. - * - On VLV/CHV we get bank screen on first activation - * - On HSW/BDW we get a recoverable frozen screen until next - * exit-activate sequence. - */ - if (INTEL_GEN(dev_priv) < 9) + dev_priv->psr.enabled = intel_dp; + + if (INTEL_GEN(dev_priv) >= 9) { + intel_psr_activate(intel_dp); + } else { + /* + * FIXME: Activation should happen immediately since this + * function is just called after pipe is fully trained and + * enabled. + * However on some platforms we face issues when first + * activation follows a modeset so quickly. + * - On VLV/CHV we get bank screen on first activation + * - On HSW/BDW we get a recoverable frozen screen until + * next exit-activate sequence. + */ schedule_delayed_work(&dev_priv->psr.work, msecs_to_jiffies(intel_dp->panel_power_cycle_delay * 5)); + } - dev_priv->psr.enabled = intel_dp; unlock: mutex_unlock(&dev_priv->psr.lock); }