drm/i915: Pull some watermarks state into a separate structure
There is a bunch of global state that needs to be considered when checking watermarks for validity. Move most of that to a new structure intel_wm_config, to avoid having to pass around so many variables. One notable thing left out is the DDB partitioning information, since we often anyway need to check the same watermarks against both 1/2 and 5/6 DDB partitioning layouts. v2: s/pipes_active/num_pipes_active Reviewed-by: NChris Wilson <chris@chris-wilson.co.uk> Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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