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Damien Lespiau authored
When we write new values for the DDB allocation and WM parameters, we now need to trigger the double buffer update for the pipe to take the new configuration into account. As the DDB is a global resource shared between planes, enabling or disabling one plane will result in changes for all planes that are currently in use, thus the need write PLANE_SURF/CUR_BASE for more than the plane we're touching. v2: Don't wait for pipes that are off v3: Split the staging results structure to not exceed the 1Kb stack allocation in skl_update_wm() v4: Rework and document the algorithm after Ville found that it was all wrong. Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Damien Lespiau <damien.lespiau@intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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