diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 452ac3745560..a02dd3015b91 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -411,9 +411,14 @@ void intel_psr_enable(struct intel_dp *intel_dp) skl_psr_setup_su_vsc(intel_dp); } - /* Avoid continuous PSR exit by masking memup and hpd */ + /* + * 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_HPD | EDP_PSR_DEBUG_MASK_LPSP); /* Enable PSR on the panel */ hsw_psr_enable_sink(intel_dp); |