diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 935402e0f786..3611c42bff7f 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -338,7 +338,9 @@ static void intel_enable_source_psr2(struct intel_dp *intel_dp) /* FIXME: selective update is probably totally broken because it doesn't * mesh at all with our frontbuffer tracking. And the hw alone isn't * good enough. */ - val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE; + val |= EDP_PSR2_ENABLE | + EDP_SU_TRACK_ENABLE | + EDP_FRAMES_BEFORE_SU_ENTRY; if (dev_priv->vbt.psr.tp2_tp3_wakeup_time > 5) val |= EDP_PSR2_TP2_TIME_2500; @@ -512,20 +514,28 @@ void intel_psr_enable(struct intel_dp *intel_dp) if (dev_priv->psr.y_cord_support) chicken |= PSR2_ADD_VERTICAL_LINE_COUNT; I915_WRITE(CHICKEN_TRANS(cpu_transcoder), chicken); + I915_WRITE(EDP_PSR_DEBUG_CTL, + EDP_PSR_DEBUG_MASK_MEMUP | + EDP_PSR_DEBUG_MASK_HPD | + EDP_PSR_DEBUG_MASK_LPSP | + EDP_PSR_DEBUG_MASK_MAX_SLEEP | + EDP_PSR_DEBUG_MASK_DISP_REG_WRITE); } else { /* set up vsc header for psr1 */ hsw_psr_setup_vsc(intel_dp); + /* + * Per Spec: Avoid continuous PSR exit by masking MEMUP + * and HPD. also mask LPSP to avoid dependency on other + * drivers that might block runtime_pm besides + * preventing other hw tracking issues now we can rely + * on frontbuffer tracking. + */ + I915_WRITE(EDP_PSR_DEBUG_CTL, + EDP_PSR_DEBUG_MASK_MEMUP | + EDP_PSR_DEBUG_MASK_HPD | + EDP_PSR_DEBUG_MASK_LPSP); } - /* - * Per Spec: Avoid continuous PSR exit by masking MEMUP and HPD. - * Also mask LPSP to avoid dependency on other drivers that - * might block runtime_pm besides preventing other hw tracking - * issues now we can rely on frontbuffer tracking. - */ - I915_WRITE(EDP_PSR_DEBUG_CTL, EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); - /* Enable PSR on the panel */ hsw_psr_enable_sink(intel_dp); |