drm/i915: Remove vblank wait from hsw_enable_ips, v2.
intel_post_plane_update did an extra vblank wait that's no longer needed when enabling ips. Changes since v1: - Add comment explaining why vblank wait is performed. (Paulo) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/56F29B28.5070804@linux.intel.com
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@ -4412,8 +4412,11 @@ void hsw_enable_ips(struct intel_crtc *crtc)
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if (!crtc->config->ips_enabled)
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return;
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/* We can only enable IPS after we enable a plane and wait for a vblank */
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intel_wait_for_vblank(dev, crtc->pipe);
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/*
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* We can only enable IPS after we enable a plane and wait for a vblank
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* This function is called from post_plane_update, which is run after
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* a vblank wait.
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*/
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assert_plane_enabled(dev_priv, crtc->plane);
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if (IS_BROADWELL(dev)) {
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