commit | ffe2a503b06cc300e25c1dfc00c85a2240cf97d7 | [log] [tgz] |
---|---|---|
author | Changbin Du <changbin.du@intel.com> | Mon Oct 30 14:19:15 2017 +0800 |
committer | Zhenyu Wang <zhenyuw@linux.intel.com> | Thu Nov 16 11:48:33 2017 +0800 |
tree | 6340bbb50c4a8ad0e737070a8a8265968c7d8b4f | |
parent | 0bde438b7e2200fc961625ac7b828cbc8c6d78e1 [diff] |
drm/i915/gvt: Reduce rcs mocs switch latency Use I915_WRITE_FW instead of I915_WRITE to reduce overhead. The overall mmio switch latency lowers from ~600us to ~180us. Signed-off-by: Changbin Du <changbin.du@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>