Jussi Rasanen 835be94af5 gpu: nvgpu: cde: CDE optimizations ...

-Change cde_buf to use writecombined cpu mapping.
-Since reading writecombined cpu data is still slow, avoid reads in
  gk20a_replace_data by checking whether a patch overwrites a whole
  word.
-Remove unused distinction between src and dst buffers in cde_convert.
-Remove cde debug dump code as it causes a perf hit.

Bug 1546619

Change-Id: Ibd45d9c3a3dd3936184c2a2a0ba29e919569b328
Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-on: http://git-master/r/553233
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Tested-by: Arto Merilainen <amerilainen@nvidia.com>

2015-03-18 12:11:42 -07:00

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