The panel has to be reconfigured only when it really loose the power. The traditional enable/disable sequence already take care of this so we can minimize the time spend on every re-enable.
Signed-off-by: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/intel_dp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 168b3c3..2f0eee5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1885,10 +1885,7 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp) WARN_ON(dev_priv->psr.active); lockdep_assert_held(&dev_priv->psr.lock); - /* Enable PSR on the panel */ - intel_edp_psr_enable_sink(intel_dp); - - /* Enable PSR on the host */ + /* Enable/Re-enable PSR on the host */ intel_edp_psr_enable_source(intel_dp); dev_priv->psr.active = true; @@ -1926,6 +1923,9 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp) I915_WRITE(EDP_PSR_DEBUG_CTL(dev), EDP_PSR_DEBUG_MASK_MEMUP | EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); + /* Enable PSR on the panel */ + intel_edp_psr_enable_sink(intel_dp); + dev_priv->psr.enabled = intel_dp; unlock: mutex_unlock(&dev_priv->psr.lock); -- 1.9.3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
