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drm/i915/fbc: call intel_fbc_pre_update earlier during page flips
Make sure we do the pre_update - which also deactivates FBC - before we actually schedule the page flip, just to make sure we don't flip to the new FB with FBC still activated for the previous FB. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1453210558-7875-24-git-send-email-paulo.r.zanoni@intel.com
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@ -11617,6 +11617,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
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crtc->primary->fb = fb;
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update_state_fb(crtc->primary);
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intel_fbc_pre_update(intel_crtc);
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work->pending_flip_obj = obj;
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@ -11701,7 +11702,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
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to_intel_plane(primary)->frontbuffer_bit);
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mutex_unlock(&dev->struct_mutex);
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intel_fbc_pre_update(intel_crtc);
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intel_frontbuffer_flip_prepare(dev,
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to_intel_plane(primary)->frontbuffer_bit);
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