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drm/i915: PSR: Organize PSR enable function

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We don't need to setup everything else if it doesn't match all conditions.

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>
This commit is contained in:
Rodrigo Vivi 2014-09-16 19:19:06 -04:00 committed by Daniel Vetter
parent ba80f4d426
commit 0aa4878397
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/i915/intel_dp.c
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@ -2148,10 +2148,12 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp)
mutex_lock(&dev_priv->psr.lock);
if (dev_priv->psr.enabled) {
DRM_DEBUG_KMS("PSR already in use\n");
mutex_unlock(&dev_priv->psr.lock);
return;
goto unlock;
}
if (!intel_edp_psr_match_conditions(intel_dp))
goto unlock;
dev_priv->psr.busy_frontbuffer_bits = 0;
intel_edp_psr_setup_vsc(intel_dp);
@ -2160,8 +2162,8 @@ 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);
if (intel_edp_psr_match_conditions(intel_dp))
dev_priv->psr.enabled = intel_dp;
dev_priv->psr.enabled = intel_dp;
unlock:
mutex_unlock(&dev_priv->psr.lock);
}