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754d113304
There's no need to reevaluate the status of every single crtc when a single crtc changes its state. With this, we're cutting the case where due to a change in pipe B, intel_fbc_update() is called, then intel_fbc_find_crtc() concludes FBC should be enabled on pipe A, then it completely rechecks the state of pipe A only to conclude FBC should remain enabled on pipe A. If any change on pipe A triggers a need to recompute whether FBC is valid on pipe A, then at some point someone is going to call intel_fbc_update(PIPE_A). The addition of intel_fbc_deactivate() is necessary so we keep track of the previously selected CRTC when we do invalidate/flush. We're also going to continue the enable/disable/activate/deactivate concept in the next patches. v2: Rebase. v3: Rebase after changing the patch order. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/ |
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