drm/i915/fbc: Introduce .program_cfb() vfunc

Eliminate the last if-ladder by pulling the CFB/LLB programming
into a vfunc as well.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104144520.22605-10-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
This commit is contained in:
Ville Syrjälä 2021-11-04 16:45:12 +02:00
commit 8f8c610387