diff options
| author | Rodrigo Vivi <rodrigo.vivi@gmail.com> | 2014-09-16 19:19:07 -0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-24 21:00:46 +0200 |
| commit | 7ca5a41f4da201371e131fc0641033652f76bf30 (patch) | |
| tree | f3d306a932fcb35ed0299f48ab98d53c728f7836 /drivers/gpu | |
| parent | drm/i915: PSR: Organize PSR enable function (diff) | |
| download | linux-7ca5a41f4da201371e131fc0641033652f76bf30.tar.gz linux-7ca5a41f4da201371e131fc0641033652f76bf30.zip | |
drm/i915: Avoid re-configure panel on every PSR re-enable.
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 <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 43b381a087f4..c5ec821fa5fb 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2121,10 +2121,7 @@ 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; @@ -2162,6 +2159,9 @@ 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); |