Because the plane registers are different in Skylake we need to adapt
the MMIO code as well.
v2: Don't introduce yet another vfunc when the direction is do
consolidate the plane updates to use the same code path (Daniel)
v3:
- Use enum pipe instead of int (Ville)
- Also update PLANE_STRIDE when the tiling has changed (Ville)
- Put intel_mark_page_flip_active() in the shared code (Damien)
v4:
- Remove unused variable
v5:
- Fix whitespace Vs tabs (Ville)
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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