drm/i915: PSR: Organize PSR enable function
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>
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@ -2148,10 +2148,12 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp)
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mutex_lock(&dev_priv->psr.lock);
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if (dev_priv->psr.enabled) {
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DRM_DEBUG_KMS("PSR already in use\n");
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mutex_unlock(&dev_priv->psr.lock);
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return;
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goto unlock;
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}
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if (!intel_edp_psr_match_conditions(intel_dp))
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goto unlock;
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dev_priv->psr.busy_frontbuffer_bits = 0;
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intel_edp_psr_setup_vsc(intel_dp);
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@ -2160,8 +2162,8 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp)
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I915_WRITE(EDP_PSR_DEBUG_CTL(dev), EDP_PSR_DEBUG_MASK_MEMUP |
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EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP);
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if (intel_edp_psr_match_conditions(intel_dp))
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dev_priv->psr.enabled = intel_dp;
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dev_priv->psr.enabled = intel_dp;
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unlock:
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mutex_unlock(&dev_priv->psr.lock);
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}
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