kms_render: fix gpu-blit for non-32bit bpps

intel_copy_bo assumes a 32bpp bo, whereas we passed it bos with
arbitrary bpp values. This resulted in thrashing GPU memory following the
destination bo.

Fix this by using a blit helper that can handle other bpps too.

Signed-off-by: Imre Deak <imre.deak@intel.com>
1 file changed